{ "id": "/mashhad/festivals/1918", "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": 1918, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/mashhad/festivals/1918/ekadashi?on=1918-01-09", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1920, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-01-08T07:12:00+03:26", "utc": "1918-01-08T03:46:00Z", "ms": -1640376839973.8833 }, "end": { "local": "1918-01-09T07:35:01+03:26", "utc": "1918-01-09T04:09:01Z", "ms": -1640289059216.6865 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-01-08T07:12:00+03:26", "utc": "1918-01-08T03:46:00Z", "ms": -1640376839973.8833 }, "end": { "local": "1918-01-09T07:35:01+03:26", "utc": "1918-01-09T04:09:01Z", "ms": -1640289059216.6865 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-01-08", "window": { "start": { "local": "1918-01-08T06:40:00+03:26", "utc": "1918-01-08T03:14:00Z", "ms": -1640378759741.0579 }, "end": { "local": "1918-01-08T06:40:00+03:26", "utc": "1918-01-08T03:14:00Z", "ms": -1640378759741.0579 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-01-09", "window": { "start": { "local": "1918-01-09T06:39:58+03:26", "utc": "1918-01-09T03:13:58Z", "ms": -1640292362264.4934 }, "end": { "local": "1918-01-09T06:39:58+03:26", "utc": "1918-01-09T03:13:58Z", "ms": -1640292362264.4934 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:11 on Tue 8 Jan to 07:34 on Wed 9 Jan.", "fact": "1918-01-08T03:46:00Z → 1918-01-09T04:09:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 8th and 06:39 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1920 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Mashhad, 1918: Wednesday 9 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": "1918-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-09", "confidence": "determinate" } ], "quote": "In Mashhad, Saphalā Ekādaśī 1918 falls on Wednesday 9 January. Ekādaśī runs from 07:11 on Tue 8 Jan to 07:34 on Wed 9 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-01-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-01-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33489, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-01-10T07:12:05+03:26", "utc": "1918-01-10T03:46:05Z", "ms": -1640204034602.4165 }, "end": { "local": "1918-01-11T06:05:12+03:26", "utc": "1918-01-11T02:39:12Z", "ms": -1640121647895.507 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-01-10T07:12:05+03:26", "utc": "1918-01-10T03:46:05Z", "ms": -1640204034602.4165 }, "end": { "local": "1918-01-11T06:05:12+03:26", "utc": "1918-01-11T02:39:12Z", "ms": -1640121647895.507 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-01-10", "window": { "start": { "local": "1918-01-10T16:30:15+03:26", "utc": "1918-01-10T13:04:15Z", "ms": -1640170545303.5708 }, "end": { "local": "1918-01-10T18:23:31+03:26", "utc": "1918-01-10T14:57:31Z", "ms": -1640163749032.0852 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "1918-01-11", "window": { "start": { "local": "1918-01-11T16:31:11+03:26", "utc": "1918-01-11T13:05:11Z", "ms": -1640084089247.1821 }, "end": { "local": "1918-01-11T18:24:18+03:26", "utc": "1918-01-11T14:58:18Z", "ms": -1640077301580.7134 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:11 on Thu 10 Jan to 06:04 on Fri 11 Jan.", "fact": "1918-01-10T03:46:05Z → 1918-01-11T02:39:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:29–18:23 on the 10th, 16:30–18:23 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 113 of 113 minutes on the 10th and 0 of 113 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 33489 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Thursday 10 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": "1918-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-10", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Thursday 10 January. Trayodaśī runs from 07:11 on Thu 10 Jan to 06:04 on Fri 11 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-01-10", "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/1918/shivaratri?on=1918-01-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15593, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-01-11T06:05:12+03:26", "utc": "1918-01-11T02:39:12Z", "ms": -1640121647895.507 }, "end": { "local": "1918-01-12T04:19:17+03:26", "utc": "1918-01-12T00:53:17Z", "ms": -1640041602969.5664 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-01-11T06:05:12+03:26", "utc": "1918-01-11T02:39:12Z", "ms": -1640121647895.507 }, "end": { "local": "1918-01-12T04:19:17+03:26", "utc": "1918-01-12T00:53:17Z", "ms": -1640041602969.5664 } }, "kaala": "nishita", "days": [ { "local_date": "1918-01-10", "window": { "start": { "local": "1918-01-10T23:11:01+03:26", "utc": "1918-01-10T19:45:01Z", "ms": -1640146499285.4995 }, "end": { "local": "1918-01-10T23:59:01+03:26", "utc": "1918-01-10T20:33:01Z", "ms": -1640143619285.4995 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-01-11", "window": { "start": { "local": "1918-01-11T23:11:25+03:26", "utc": "1918-01-11T19:45:25Z", "ms": -1640060075497.924 }, "end": { "local": "1918-01-11T23:59:25+03:26", "utc": "1918-01-11T20:33:25Z", "ms": -1640057195497.924 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:04 on Fri 11 Jan to 04:18 on Sat 12 Jan.", "fact": "1918-01-11T02:39:12Z → 1918-01-12T00:53:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:10–23:58 on the 10th, 23:10–23:58 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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15593 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Friday 11 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": "1918-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-11", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Friday 11 January. Caturdaśī runs from 06:04 on Fri 11 Jan to 04:18 on Sat 12 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13178, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 }, "end": { "local": "1918-02-12T09:14:30+03:26", "utc": "1918-02-12T05:48:30Z", "ms": -1637345490165.449 } }, "span": { "of": "transit", "start": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 }, "end": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 } }, "kaala": "sunset-day", "days": [ { "local_date": "1918-01-13", "window": { "start": { "local": "1918-01-12T16:32:08+03:26", "utc": "1918-01-12T13:06:08Z", "ms": -1639997632355.561 }, "end": { "local": "1918-01-13T16:33:05+03:26", "utc": "1918-01-13T13:07:05Z", "ms": -1639911174684.9805 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1918-01-14", "window": { "start": { "local": "1918-01-13T16:33:05+03:26", "utc": "1918-01-13T13:07:05Z", "ms": -1639911174684.9805 }, "end": { "local": "1918-01-14T16:34:04+03:26", "utc": "1918-01-14T13:08:04Z", "ms": -1639824716291.5552 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1918-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 20:12 on Sun 13 Jan.", "fact": "1918-01-13T16:46:43Z · 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 13178 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Monday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Mashhad, 1918: Sunday 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": "1918-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1918-01-12", "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": "1918-01-12", "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 1918 falls on Sunday 13 January. It is kept the day before Pongal, which falls on Monday 14 January. The Sun enters Makara at 20:12 on Sun 13 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 midnight, or counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13653, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 }, "end": { "local": "1918-02-12T09:14:30+03:26", "utc": "1918-02-12T05:48:30Z", "ms": -1637345490165.449 } }, "span": { "of": "transit", "start": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 }, "end": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 } }, "kaala": "civil-day", "days": [ { "local_date": "1918-01-13", "window": { "start": { "local": "1918-01-13T00:00:16+03:26", "utc": "1918-01-12T20:34:16Z", "ms": -1639970744000 }, "end": { "local": "1918-01-14T00:00:16+03:26", "utc": "1918-01-13T20:34:16Z", "ms": -1639884344000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1918-01-14", "window": { "start": { "local": "1918-01-14T00:00:16+03:26", "utc": "1918-01-13T20:34:16Z", "ms": -1639884344000 }, "end": { "local": "1918-01-15T00:00:16+03:26", "utc": "1918-01-14T20:34:16Z", "ms": -1639797944000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 20:12 on Sun 13 Jan.", "fact": "1918-01-13T16:46:43Z · 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 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 midnight → only-day · margin 13653 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Mashhad, 1918: Sunday 13 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": "1918-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1918-01-13", "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": "1918-01-14", "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 1918 falls on Sunday 13 January. The Sun enters Makara at 20:12 on Sun 13 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 January.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13178, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 }, "end": { "local": "1918-02-12T09:14:30+03:26", "utc": "1918-02-12T05:48:30Z", "ms": -1637345490165.449 } }, "span": { "of": "transit", "start": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 }, "end": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 } }, "kaala": "sunset-day", "days": [ { "local_date": "1918-01-13", "window": { "start": { "local": "1918-01-12T16:32:08+03:26", "utc": "1918-01-12T13:06:08Z", "ms": -1639997632355.561 }, "end": { "local": "1918-01-13T16:33:05+03:26", "utc": "1918-01-13T13:07:05Z", "ms": -1639911174684.9805 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1918-01-14", "window": { "start": { "local": "1918-01-13T16:33:05+03:26", "utc": "1918-01-13T13:07:05Z", "ms": -1639911174684.9805 }, "end": { "local": "1918-01-14T16:34:04+03:26", "utc": "1918-01-14T13:08:04Z", "ms": -1639824716291.5552 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 20:12 on Sun 13 Jan.", "fact": "1918-01-13T16:46:43Z · 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 13178 s" }, { "step": "ruling", "text": "Pongal, Mashhad, 1918: Monday 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": "1918-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1918-01-13", "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": "1918-01-13", "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 1918 falls on Monday 14 January. The Sun enters Makara at 20:12 on Sun 13 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 midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13178, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 }, "end": { "local": "1918-02-12T09:14:30+03:26", "utc": "1918-02-12T05:48:30Z", "ms": -1637345490165.449 } }, "span": { "of": "transit", "start": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 }, "end": { "local": "1918-01-13T20:12:43+03:26", "utc": "1918-01-13T16:46:43Z", "ms": -1639897996755.321 } }, "kaala": "sunset-day", "days": [ { "local_date": "1918-01-13", "window": { "start": { "local": "1918-01-12T16:32:08+03:26", "utc": "1918-01-12T13:06:08Z", "ms": -1639997632355.561 }, "end": { "local": "1918-01-13T16:33:05+03:26", "utc": "1918-01-13T13:07:05Z", "ms": -1639911174684.9805 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1918-01-14", "window": { "start": { "local": "1918-01-13T16:33:05+03:26", "utc": "1918-01-13T13:07:05Z", "ms": -1639911174684.9805 }, "end": { "local": "1918-01-14T16:34:04+03:26", "utc": "1918-01-14T13:08:04Z", "ms": -1639824716291.5552 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1918-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 20:12 on Sun 13 Jan.", "fact": "1918-01-13T16:46:43Z · 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 13178 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Monday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Mashhad, 1918: Tuesday 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": "1918-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1918-01-14", "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": "1918-01-14", "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 1918 falls on Tuesday 15 January. It is kept the day after Pongal, which falls on Monday 14 January. The Sun enters Makara at 20:12 on Sun 13 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 midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vinayaka-chaturthi?on=1918-01-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8457, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-01-15T17:21:23+03:26", "utc": "1918-01-15T13:55:23Z", "ms": -1639735477352.4878 }, "end": { "local": "1918-01-16T14:22:21+03:26", "utc": "1918-01-16T10:56:21Z", "ms": -1639659819102.5474 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-01-15T17:21:23+03:26", "utc": "1918-01-15T13:55:23Z", "ms": -1639735477352.4878 }, "end": { "local": "1918-01-16T14:22:21+03:26", "utc": "1918-01-16T10:56:21Z", "ms": -1639659819102.5474 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-01-15", "window": { "start": { "local": "1918-01-15T11:13:02+03:26", "utc": "1918-01-15T07:47:02Z", "ms": -1639757578166.1985 }, "end": { "local": "1918-01-15T12:01:02+03:26", "utc": "1918-01-15T08:35:02Z", "ms": -1639754698166.1985 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-01-16", "window": { "start": { "local": "1918-01-16T11:13:23+03:26", "utc": "1918-01-16T07:47:23Z", "ms": -1639671156534.1099 }, "end": { "local": "1918-01-16T12:01:23+03:26", "utc": "1918-01-16T08:35:23Z", "ms": -1639668276534.1099 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:20 on Tue 15 Jan to 14:21 on Wed 16 Jan.", "fact": "1918-01-15T13:55:23Z → 1918-01-16T10:56:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 15th, 11:12–12:00 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8457 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Wednesday 16 January.", "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": "1918-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-16", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Wednesday 16 January. Caturthī runs from 17:20 on Tue 15 Jan to 14:21 on Wed 16 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-01-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/ekadashi?on=1918-01-22", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11487, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-01-22T03:24:58+03:26", "utc": "1918-01-21T23:58:58Z", "ms": -1639180861913.335 }, "end": { "local": "1918-01-23T03:12:32+03:26", "utc": "1918-01-22T23:46:32Z", "ms": -1639095208228.6196 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-01-22T03:24:58+03:26", "utc": "1918-01-21T23:58:58Z", "ms": -1639180861913.335 }, "end": { "local": "1918-01-23T03:12:32+03:26", "utc": "1918-01-22T23:46:32Z", "ms": -1639095208228.6196 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-01-22", "window": { "start": { "local": "1918-01-22T06:36:25+03:26", "utc": "1918-01-22T03:10:25Z", "ms": -1639169374886.1736 }, "end": { "local": "1918-01-22T06:36:25+03:26", "utc": "1918-01-22T03:10:25Z", "ms": -1639169374886.1736 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-01-23", "window": { "start": { "local": "1918-01-23T06:35:55+03:26", "utc": "1918-01-23T03:09:55Z", "ms": -1639083004779.237 }, "end": { "local": "1918-01-23T06:35:55+03:26", "utc": "1918-01-23T03:09:55Z", "ms": -1639083004779.237 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:24 on Tue 22 Jan to 03:12 on Wed 23 Jan.", "fact": "1918-01-21T23:58:58Z → 1918-01-22T23:46:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 22nd and 06:35 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11487 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 1918: Tuesday 22 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": "1918-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-22", "confidence": "determinate" } ], "quote": "In Mashhad, Putradā Ekādaśī 1918 falls on Tuesday 22 January. Ekādaśī runs from 03:24 on Tue 22 Jan to 03:12 on Wed 23 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-01-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31996, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-01-24T03:27:27+03:26", "utc": "1918-01-24T00:01:27Z", "ms": -1639007913399.184 }, "end": { "local": "1918-01-25T04:08:00+03:26", "utc": "1918-01-25T00:42:00Z", "ms": -1638919080395.741 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-01-24T03:27:27+03:26", "utc": "1918-01-24T00:01:27Z", "ms": -1639007913399.184 }, "end": { "local": "1918-01-25T04:08:00+03:26", "utc": "1918-01-25T00:42:00Z", "ms": -1638919080395.741 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-01-23", "window": { "start": { "local": "1918-01-23T16:43:13+03:26", "utc": "1918-01-23T13:17:13Z", "ms": -1639046566754.542 }, "end": { "local": "1918-01-23T18:34:11+03:26", "utc": "1918-01-23T15:08:11Z", "ms": -1639039909389.9846 } }, "covered_min": 0, "window_min": 111, "qualifies": false }, { "local_date": "1918-01-24", "window": { "start": { "local": "1918-01-24T16:44:16+03:26", "utc": "1918-01-24T13:18:16Z", "ms": -1638960103867.2476 }, "end": { "local": "1918-01-24T18:35:01+03:26", "utc": "1918-01-24T15:09:01Z", "ms": -1638953459363.002 } }, "covered_min": 111, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:26 on Thu 24 Jan to 04:07 on Fri 25 Jan.", "fact": "1918-01-24T00:01:27Z → 1918-01-25T00:42:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:42–18:33 on the 23rd, 16:43–18:34 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 111 minutes on the 23rd and 111 of 111 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 31996 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Thursday 24 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-24", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Thursday 24 January. Trayodaśī runs from 03:26 on Thu 24 Jan to 04:07 on Fri 25 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-01-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/sankashta-chaturthi?on=1918-01-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19983, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-01-30T12:57:27+03:26", "utc": "1918-01-30T09:31:27Z", "ms": -1638455313096.9446 }, "end": { "local": "1918-01-31T15:29:14+03:26", "utc": "1918-01-31T12:03:14Z", "ms": -1638359806034.0295 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-01-30T12:57:27+03:26", "utc": "1918-01-30T09:31:27Z", "ms": -1638455313096.9446 }, "end": { "local": "1918-01-31T15:29:14+03:26", "utc": "1918-01-31T12:03:14Z", "ms": -1638359806034.0295 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-01-30", "window": { "start": { "local": "1918-01-30T20:06:46+03:26", "utc": "1918-01-30T16:40:46Z", "ms": -1638429554156.5964 }, "end": { "local": "1918-01-30T20:06:46+03:26", "utc": "1918-01-30T16:40:46Z", "ms": -1638429554156.5964 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-01-31", "window": { "start": { "local": "1918-01-31T21:02:17+03:26", "utc": "1918-01-31T17:36:17Z", "ms": -1638339823110.3552 }, "end": { "local": "1918-01-31T21:02:17+03:26", "utc": "1918-01-31T17:36:17Z", "ms": -1638339823110.3552 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:56 on Wed 30 Jan to 15:28 on Thu 31 Jan.", "fact": "1918-01-30T09:31:27Z → 1918-01-31T12:03:14Z" }, { "step": "kaala", "text": "Moonrise is at 20:06 on the 30th and 21:01 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 30th and is not 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 19983 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Wednesday 30 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": "1918-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-01-30", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Wednesday 30 January. Caturthī runs from 12:56 on Wed 30 Jan to 15:28 on Thu 31 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-01-30", "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/1918/ekadashi?on=1918-02-07", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20495, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-02-07T00:43:25+03:26", "utc": "1918-02-06T21:17:25Z", "ms": -1637808154630.0261 }, "end": { "local": "1918-02-07T23:51:58+03:26", "utc": "1918-02-07T20:25:58Z", "ms": -1637724841791.3103 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-07T00:43:25+03:26", "utc": "1918-02-06T21:17:25Z", "ms": -1637808154630.0261 }, "end": { "local": "1918-02-07T23:51:58+03:26", "utc": "1918-02-07T20:25:58Z", "ms": -1637724841791.3103 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-02-07", "window": { "start": { "local": "1918-02-07T06:25:00+03:26", "utc": "1918-02-07T02:59:00Z", "ms": -1637787660035.3496 }, "end": { "local": "1918-02-07T06:25:00+03:26", "utc": "1918-02-07T02:59:00Z", "ms": -1637787660035.3496 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-02-08", "window": { "start": { "local": "1918-02-08T06:24:04+03:26", "utc": "1918-02-08T02:58:04Z", "ms": -1637701316207.0757 }, "end": { "local": "1918-02-08T06:24:04+03:26", "utc": "1918-02-08T02:58:04Z", "ms": -1637701316207.0757 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:42 on Thu 7 Feb to 23:51 on Thu 7 Feb.", "fact": "1918-02-06T21:17:25Z → 1918-02-07T20:25:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 7th and 06:23 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20495 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Mashhad, 1918: Thursday 7 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": "1918-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-07", "confidence": "determinate" } ], "quote": "In Mashhad, Ṣaṭtilā Ekādaśī 1918 falls on Thursday 7 February. Ekādaśī runs from 00:42 on Thu 7 Feb to 23:51 on Thu 7 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-02-07", "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/1918/pradosha-vrata?on=1918-02-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3711, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-02-08T22:12:18+03:26", "utc": "1918-02-08T18:46:18Z", "ms": -1637644422484.4697 }, "end": { "local": "1918-02-09T19:49:50+03:26", "utc": "1918-02-09T16:23:50Z", "ms": -1637566569902.6301 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-08T22:12:18+03:26", "utc": "1918-02-08T18:46:18Z", "ms": -1637644422484.4697 }, "end": { "local": "1918-02-09T19:49:50+03:26", "utc": "1918-02-09T16:23:50Z", "ms": -1637566569902.6301 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-02-08", "window": { "start": { "local": "1918-02-08T17:00:09+03:26", "utc": "1918-02-08T13:34:09Z", "ms": -1637663151106.6008 }, "end": { "local": "1918-02-08T18:47:13+03:26", "utc": "1918-02-08T15:21:13Z", "ms": -1637656727461.56 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1918-02-09", "window": { "start": { "local": "1918-02-09T17:01:12+03:26", "utc": "1918-02-09T13:35:12Z", "ms": -1637576688177.8982 }, "end": { "local": "1918-02-09T18:47:59+03:26", "utc": "1918-02-09T15:21:59Z", "ms": -1637570280779.6375 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:11 on Fri 8 Feb to 19:49 on Sat 9 Feb.", "fact": "1918-02-08T18:46:18Z → 1918-02-09T16:23:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:59–18:46 on the 8th, 17:00–18:47 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 8th and 107 of 107 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3711 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Saturday 9 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": "1918-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-09", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Saturday 9 February. Trayodaśī runs from 22:11 on Fri 8 Feb to 19:49 on Sat 9 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-02-09", "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/1918/shivaratri?on=1918-02-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12469, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-02-09T19:49:50+03:26", "utc": "1918-02-09T16:23:50Z", "ms": -1637566569902.6301 }, "end": { "local": "1918-02-10T16:52:36+03:26", "utc": "1918-02-10T13:26:36Z", "ms": -1637490804434.1436 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-09T19:49:50+03:26", "utc": "1918-02-09T16:23:50Z", "ms": -1637566569902.6301 }, "end": { "local": "1918-02-10T16:52:36+03:26", "utc": "1918-02-10T13:26:36Z", "ms": -1637490804434.1436 } }, "kaala": "nishita", "days": [ { "local_date": "1918-02-09", "window": { "start": { "local": "1918-02-09T23:17:40+03:26", "utc": "1918-02-09T19:51:40Z", "ms": -1637554100434.4204 }, "end": { "local": "1918-02-10T00:05:40+03:26", "utc": "1918-02-09T20:39:40Z", "ms": -1637551220434.4204 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-02-10", "window": { "start": { "local": "1918-02-10T23:17:41+03:26", "utc": "1918-02-10T19:51:41Z", "ms": -1637467699202.176 }, "end": { "local": "1918-02-11T00:05:41+03:26", "utc": "1918-02-10T20:39:41Z", "ms": -1637464819202.176 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:49 on Sat 9 Feb to 16:52 on Sun 10 Feb.", "fact": "1918-02-09T16:23:50Z → 1918-02-10T13:26:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:17–00:05 on the 9th, 23:17–00:05 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12469 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Saturday 9 February.", "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": "1918-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-09", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Saturday 9 February. Caturdaśī runs from 19:49 on Sat 9 Feb to 16:52 on Sun 10 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-02-09", "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/1918/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31530, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-02-09T19:49:50+03:26", "utc": "1918-02-09T16:23:50Z", "ms": -1637566569902.6301 }, "end": { "local": "1918-02-10T16:52:36+03:26", "utc": "1918-02-10T13:26:36Z", "ms": -1637490804434.1436 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-09T19:49:50+03:26", "utc": "1918-02-09T16:23:50Z", "ms": -1637566569902.6301 }, "end": { "local": "1918-02-10T16:52:36+03:26", "utc": "1918-02-10T13:26:36Z", "ms": -1637490804434.1436 } }, "kaala": "arunodaya", "days": [ { "local_date": "1918-02-10", "window": { "start": { "local": "1918-02-10T04:35:20+03:26", "utc": "1918-02-10T01:09:20Z", "ms": -1637535040089.2036 }, "end": { "local": "1918-02-10T06:22:07+03:26", "utc": "1918-02-10T02:56:07Z", "ms": -1637528632690.9429 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1918-02-11", "window": { "start": { "local": "1918-02-11T04:34:36+03:26", "utc": "1918-02-11T01:08:36Z", "ms": -1637448683946.7214 }, "end": { "local": "1918-02-11T06:21:07+03:26", "utc": "1918-02-11T02:55:07Z", "ms": -1637442292944.7378 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:49 on Sat 9 Feb to 16:52 on Sun 10 Feb.", "fact": "1918-02-09T16:23:50Z → 1918-02-10T13:26:36Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:34–06:21 on the 10th, 04:34–06:20 on the 11th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 107 of 107 minutes on the 10th and 0 of 107 on the 11th.", "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 31530 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Mashhad, 1918: Sunday 10 February.", "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": "1918-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-10", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Tarpaṇa 1918 falls on Sunday 10 February. Caturdaśī runs from 19:49 on Sat 9 Feb to 16:52 on Sun 10 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31027, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-02-14T02:41:04+03:26", "utc": "1918-02-13T23:15:04Z", "ms": -1637196296192.6814 }, "end": { "local": "1918-02-14T23:26:35+03:26", "utc": "1918-02-14T20:00:35Z", "ms": -1637121564663.6958 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-14T02:41:04+03:26", "utc": "1918-02-13T23:15:04Z", "ms": -1637196296192.6814 }, "end": { "local": "1918-02-14T23:26:35+03:26", "utc": "1918-02-14T20:00:35Z", "ms": -1637121564663.6958 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-02-14", "window": { "start": { "local": "1918-02-14T11:18:11+03:26", "utc": "1918-02-14T07:52:11Z", "ms": -1637165269269.3665 }, "end": { "local": "1918-02-14T12:06:11+03:26", "utc": "1918-02-14T08:40:11Z", "ms": -1637162389269.3665 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-02-15", "window": { "start": { "local": "1918-02-15T11:18:09+03:26", "utc": "1918-02-15T07:52:09Z", "ms": -1637078871240.7817 }, "end": { "local": "1918-02-15T12:06:09+03:26", "utc": "1918-02-15T08:40:09Z", "ms": -1637075991240.7817 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:40 on Thu 14 Feb to 23:26 on Thu 14 Feb.", "fact": "1918-02-13T23:15:04Z → 1918-02-14T20:00:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 14th, 11:17–12:05 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31027 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Mashhad, 1918: Thursday 14 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-14", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1918 falls on Thursday 14 February. Caturthī runs from 02:40 on Thu 14 Feb to 23:26 on Thu 14 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16488, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-02-14T02:41:04+03:26", "utc": "1918-02-13T23:15:04Z", "ms": -1637196296192.6814 }, "end": { "local": "1918-02-14T23:26:35+03:26", "utc": "1918-02-14T20:00:35Z", "ms": -1637121564663.6958 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-14T02:41:04+03:26", "utc": "1918-02-13T23:15:04Z", "ms": -1637196296192.6814 }, "end": { "local": "1918-02-14T23:26:35+03:26", "utc": "1918-02-14T20:00:35Z", "ms": -1637121564663.6958 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-02-13", "window": { "start": { "local": "1918-02-13T17:05:21+03:26", "utc": "1918-02-13T13:39:21Z", "ms": -1637230838787.1519 }, "end": { "local": "1918-02-13T18:51:02+03:26", "utc": "1918-02-13T15:25:02Z", "ms": -1637224497804.2837 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1918-02-14", "window": { "start": { "local": "1918-02-14T17:06:23+03:26", "utc": "1918-02-14T13:40:23Z", "ms": -1637144377123.0923 }, "end": { "local": "1918-02-14T18:51:47+03:26", "utc": "1918-02-14T15:25:47Z", "ms": -1637138053068.6448 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:40 on Thu 14 Feb to 23:26 on Thu 14 Feb.", "fact": "1918-02-13T23:15:04Z → 1918-02-14T20:00:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:04–18:50 on the 13th, 17:05–18:51 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 106 minutes on the 13th and 105 of 105 on the 14th.", "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 16488 s" }, { "step": "ruling", "text": "Tila Caturthī, Mashhad, 1918: Thursday 14 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-14", "confidence": "determinate" } ], "quote": "In Mashhad, Tila Caturthī 1918 falls on Thursday 14 February. Caturthī runs from 02:40 on Thu 14 Feb to 23:26 on Thu 14 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30786, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1918-02-14T23:26:35+03:26", "utc": "1918-02-14T20:00:35Z", "ms": -1637121564663.6958 }, "end": { "local": "1918-02-15T20:39:14+03:26", "utc": "1918-02-15T17:13:14Z", "ms": -1637045205567.9812 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-14T23:26:35+03:26", "utc": "1918-02-14T20:00:35Z", "ms": -1637121564663.6958 }, "end": { "local": "1918-02-15T20:39:14+03:26", "utc": "1918-02-15T17:13:14Z", "ms": -1637045205567.9812 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-02-14", "window": { "start": { "local": "1918-02-14T11:18:11+03:26", "utc": "1918-02-14T07:52:11Z", "ms": -1637165269269.3665 }, "end": { "local": "1918-02-14T12:06:11+03:26", "utc": "1918-02-14T08:40:11Z", "ms": -1637162389269.3665 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-02-15", "window": { "start": { "local": "1918-02-15T11:18:09+03:26", "utc": "1918-02-15T07:52:09Z", "ms": -1637078871240.7817 }, "end": { "local": "1918-02-15T12:06:09+03:26", "utc": "1918-02-15T08:40:09Z", "ms": -1637075991240.7817 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:26 on Thu 14 Feb to 20:38 on Fri 15 Feb.", "fact": "1918-02-14T20:00:35Z → 1918-02-15T17:13:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 14th, 11:17–12:05 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30786 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Mashhad, 1918: Friday 15 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-15", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Pañcamī 1918 falls on Friday 15 February. Pañcamī runs from 23:26 on Thu 14 Feb to 20:38 on Fri 15 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30786, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1918-02-14T23:26:35+03:26", "utc": "1918-02-14T20:00:35Z", "ms": -1637121564663.6958 }, "end": { "local": "1918-02-15T20:39:14+03:26", "utc": "1918-02-15T17:13:14Z", "ms": -1637045205567.9812 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-14T23:26:35+03:26", "utc": "1918-02-14T20:00:35Z", "ms": -1637121564663.6958 }, "end": { "local": "1918-02-15T20:39:14+03:26", "utc": "1918-02-15T17:13:14Z", "ms": -1637045205567.9812 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-02-14", "window": { "start": { "local": "1918-02-14T11:18:11+03:26", "utc": "1918-02-14T07:52:11Z", "ms": -1637165269269.3665 }, "end": { "local": "1918-02-14T12:06:11+03:26", "utc": "1918-02-14T08:40:11Z", "ms": -1637162389269.3665 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-02-15", "window": { "start": { "local": "1918-02-15T11:18:09+03:26", "utc": "1918-02-15T07:52:09Z", "ms": -1637078871240.7817 }, "end": { "local": "1918-02-15T12:06:09+03:26", "utc": "1918-02-15T08:40:09Z", "ms": -1637075991240.7817 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:26 on Thu 14 Feb to 20:38 on Fri 15 Feb.", "fact": "1918-02-14T20:00:35Z → 1918-02-15T17:13:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 14th, 11:17–12:05 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30786 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Mashhad, 1918: Friday 15 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-15", "confidence": "determinate" } ], "quote": "In Mashhad, Vasanta Pañcamī 1918 falls on Friday 15 February. Pañcamī runs from 23:26 on Thu 14 Feb to 20:38 on Fri 15 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36202, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1918-02-16T18:26:27+03:26", "utc": "1918-02-16T15:00:27Z", "ms": -1636966772933.2998 }, "end": { "local": "1918-02-17T16:53:20+03:26", "utc": "1918-02-17T13:27:20Z", "ms": -1636885960432.7307 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-16T18:26:27+03:26", "utc": "1918-02-16T15:00:27Z", "ms": -1636966772933.2998 }, "end": { "local": "1918-02-17T16:53:20+03:26", "utc": "1918-02-17T13:27:20Z", "ms": -1636885960432.7307 } }, "kaala": "arunodaya", "days": [ { "local_date": "1918-02-17", "window": { "start": { "local": "1918-02-17T04:29:49+03:26", "utc": "1918-02-17T01:03:49Z", "ms": -1636930570698.0652 }, "end": { "local": "1918-02-17T06:14:39+03:26", "utc": "1918-02-17T02:48:39Z", "ms": -1636924280846.7925 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "1918-02-18", "window": { "start": { "local": "1918-02-18T04:28:58+03:26", "utc": "1918-02-18T01:02:58Z", "ms": -1636844222204.2764 }, "end": { "local": "1918-02-18T06:13:30+03:26", "utc": "1918-02-18T02:47:30Z", "ms": -1636837949616.154 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:25 on Sat 16 Feb to 16:52 on Sun 17 Feb.", "fact": "1918-02-16T15:00:27Z → 1918-02-17T13:27:20Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:29–06:14 on the 17th, 04:28–06:13 on the 18th.", "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 105 of 105 minutes on the 17th and 0 of 105 on the 18th.", "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 36202 s" }, { "step": "ruling", "text": "Ratha Saptamī, Mashhad, 1918: Sunday 17 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-17", "confidence": "determinate" } ], "quote": "In Mashhad, Ratha Saptamī 1918 falls on Sunday 17 February. Saptamī runs from 18:25 on Sat 16 Feb to 16:52 on Sun 17 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-02-21", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36571, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-02-20T16:20:41+03:26", "utc": "1918-02-20T12:54:41Z", "ms": -1636628719150.0227 }, "end": { "local": "1918-02-21T17:21:51+03:26", "utc": "1918-02-21T13:55:51Z", "ms": -1636538648762.311 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-20T16:20:41+03:26", "utc": "1918-02-20T12:54:41Z", "ms": -1636628719150.0227 }, "end": { "local": "1918-02-21T17:21:51+03:26", "utc": "1918-02-21T13:55:51Z", "ms": -1636538648762.311 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-02-20", "window": { "start": { "local": "1918-02-20T06:11:10+03:26", "utc": "1918-02-20T02:45:10Z", "ms": -1636665290396.8704 }, "end": { "local": "1918-02-20T06:11:10+03:26", "utc": "1918-02-20T02:45:10Z", "ms": -1636665290396.8704 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-02-21", "window": { "start": { "local": "1918-02-21T06:09:58+03:26", "utc": "1918-02-21T02:43:58Z", "ms": -1636578962341.0383 }, "end": { "local": "1918-02-21T06:09:58+03:26", "utc": "1918-02-21T02:43:58Z", "ms": -1636578962341.0383 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:20 on Wed 20 Feb to 17:21 on Thu 21 Feb.", "fact": "1918-02-20T12:54:41Z → 1918-02-21T13:55:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 20th and 06:09 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is 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 36571 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Mashhad, 1918: Thursday 21 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-21", "confidence": "determinate" } ], "quote": "In Mashhad, Jayā Ekādaśī 1918 falls on Thursday 21 February. Ekādaśī runs from 16:20 on Wed 20 Feb to 17:21 on Thu 21 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-02-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18970, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1918-02-21T17:21:51+03:26", "utc": "1918-02-21T13:55:51Z", "ms": -1636538648762.311 }, "end": { "local": "1918-02-22T18:49:52+03:26", "utc": "1918-02-22T15:23:52Z", "ms": -1636446967871.3948 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-21T17:21:51+03:26", "utc": "1918-02-21T13:55:51Z", "ms": -1636538648762.311 }, "end": { "local": "1918-02-22T18:49:52+03:26", "utc": "1918-02-22T15:23:52Z", "ms": -1636446967871.3948 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-02-21", "window": { "start": { "local": "1918-02-21T11:17:42+03:26", "utc": "1918-02-21T07:51:42Z", "ms": -1636560498494.513 }, "end": { "local": "1918-02-21T12:05:42+03:26", "utc": "1918-02-21T08:39:42Z", "ms": -1636557618494.513 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-02-22", "window": { "start": { "local": "1918-02-22T11:17:35+03:26", "utc": "1918-02-22T07:51:35Z", "ms": -1636474105475.875 }, "end": { "local": "1918-02-22T12:05:35+03:26", "utc": "1918-02-22T08:39:35Z", "ms": -1636471225475.875 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:21 on Thu 21 Feb to 18:49 on Fri 22 Feb.", "fact": "1918-02-21T13:55:51Z → 1918-02-22T15:23:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 21st, 11:17–12:05 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 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18970 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Mashhad, 1918: Friday 22 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-22", "confidence": "determinate" } ], "quote": "In Mashhad, Bhīṣma Dvādaśī 1918 falls on Friday 22 February. Dvādaśī runs from 17:21 on Thu 21 Feb to 18:49 on Fri 22 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/pradosha-vrata?on=1918-02-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 457, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-02-22T18:49:52+03:26", "utc": "1918-02-22T15:23:52Z", "ms": -1636446967871.3948 }, "end": { "local": "1918-02-23T20:38:50+03:26", "utc": "1918-02-23T17:12:50Z", "ms": -1636354030219.2512 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-22T18:49:52+03:26", "utc": "1918-02-22T15:23:52Z", "ms": -1636446967871.3948 }, "end": { "local": "1918-02-23T20:38:50+03:26", "utc": "1918-02-23T17:12:50Z", "ms": -1636354030219.2512 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-02-22", "window": { "start": { "local": "1918-02-22T17:14:24+03:26", "utc": "1918-02-22T13:48:24Z", "ms": -1636452695675.8362 }, "end": { "local": "1918-02-22T18:57:29+03:26", "utc": "1918-02-22T15:31:29Z", "ms": -1636446510808.0562 } }, "covered_min": 8, "window_min": 103, "qualifies": true }, { "local_date": "1918-02-23", "window": { "start": { "local": "1918-02-23T17:15:23+03:26", "utc": "1918-02-23T13:49:23Z", "ms": -1636366237051.7974 }, "end": { "local": "1918-02-23T18:58:10+03:26", "utc": "1918-02-23T15:32:10Z", "ms": -1636360069975.7866 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:49 on Fri 22 Feb to 20:38 on Sat 23 Feb.", "fact": "1918-02-22T15:23:52Z → 1918-02-23T17:12:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–18:56 on the 22nd, 17:14–18:57 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 8 of 103 minutes on the 22nd and 103 of 103 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 457 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Saturday 23 February.", "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": "1918-02-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-23", "confidence": "boundary" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Saturday 23 February. Trayodaśī runs from 18:49 on Fri 22 Feb to 20:38 on Sat 23 Feb and covers all of pradoṣa that evening. It also reaches the previous evening for 8 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/1918/pradosha-vrata?on=1918-02-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37005, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-02-24T22:43:40+03:26", "utc": "1918-02-24T19:17:40Z", "ms": -1636260140250.8362 }, "end": { "local": "1918-02-26T01:00:16+03:26", "utc": "1918-02-25T21:34:16Z", "ms": -1636165544284.3076 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1918-02-24T22:43:40+03:26", "utc": "1918-02-24T19:17:40Z", "ms": -1636260140250.8362 }, "end": { "local": "1918-02-26T01:00:16+03:26", "utc": "1918-02-25T21:34:16Z", "ms": -1636165544284.3076 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-02-25", "window": { "start": { "local": "1918-02-25T11:17:10+03:26", "utc": "1918-02-25T07:51:10Z", "ms": -1636214930259.6702 }, "end": { "local": "1918-02-25T12:05:10+03:26", "utc": "1918-02-25T08:39:10Z", "ms": -1636212050259.6702 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-02-26", "window": { "start": { "local": "1918-02-26T11:17:00+03:26", "utc": "1918-02-26T07:51:00Z", "ms": -1636128539737.2278 }, "end": { "local": "1918-02-26T12:05:00+03:26", "utc": "1918-02-26T08:39:00Z", "ms": -1636125659737.2278 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:43 on Sun 24 Feb to 00:59 on Tue 26 Feb.", "fact": "1918-02-24T19:17:40Z → 1918-02-25T21:34:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 25th, 11:16–12:04 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37005 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Mashhad, 1918: Monday 25 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": "1918-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-02-25", "confidence": "determinate" } ], "quote": "In Mashhad, Māghī Pūrṇimā 1918 falls on Monday 25 February. Pūrṇimā runs from 22:43 on Sun 24 Feb to 00:59 on Tue 26 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-03-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39474, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-03-01T08:23:56+03:26", "utc": "1918-03-01T04:57:56Z", "ms": -1635879723597.2307 }, "end": { "local": "1918-03-02T10:46:54+03:26", "utc": "1918-03-02T07:20:54Z", "ms": -1635784746118.5552 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1918-03-01T08:23:56+03:26", "utc": "1918-03-01T04:57:56Z", "ms": -1635879723597.2307 }, "end": { "local": "1918-03-02T10:46:54+03:26", "utc": "1918-03-02T07:20:54Z", "ms": -1635784746118.5552 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-03-01", "window": { "start": { "local": "1918-03-01T20:47:23+03:26", "utc": "1918-03-01T17:21:23Z", "ms": -1635835116518.2786 }, "end": { "local": "1918-03-01T20:47:23+03:26", "utc": "1918-03-01T17:21:23Z", "ms": -1635835116518.2786 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-03-02", "window": { "start": { "local": "1918-03-02T21:44:48+03:26", "utc": "1918-03-02T18:18:48Z", "ms": -1635745271929.912 }, "end": { "local": "1918-03-02T21:44:48+03:26", "utc": "1918-03-02T18:18:48Z", "ms": -1635745271929.912 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:23 on Fri 1 Mar to 10:46 on Sat 2 Mar.", "fact": "1918-03-01T04:57:56Z → 1918-03-02T07:20:54Z" }, { "step": "kaala", "text": "Moonrise is at 20:46 on the 1st and 21:44 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 39474 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Friday 1 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-01", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Friday 1 March. Caturthī runs from 08:23 on Fri 1 Mar to 10:46 on Sat 2 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-03-01", "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/1918/ekadashi?on=1918-03-09", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25223, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-03-08T14:47:25+03:26", "utc": "1918-03-08T11:21:25Z", "ms": -1635251914652.8948 }, "end": { "local": "1918-03-09T12:49:18+03:26", "utc": "1918-03-09T09:23:18Z", "ms": -1635172602379.576 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1918-03-08T14:47:25+03:26", "utc": "1918-03-08T11:21:25Z", "ms": -1635251914652.8948 }, "end": { "local": "1918-03-09T12:49:18+03:26", "utc": "1918-03-09T09:23:18Z", "ms": -1635172602379.576 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-03-08", "window": { "start": { "local": "1918-03-08T05:50:19+03:26", "utc": "1918-03-08T02:24:19Z", "ms": -1635284141427.9001 }, "end": { "local": "1918-03-08T05:50:19+03:26", "utc": "1918-03-08T02:24:19Z", "ms": -1635284141427.9001 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-03-09", "window": { "start": { "local": "1918-03-09T05:48:55+03:26", "utc": "1918-03-09T02:22:55Z", "ms": -1635197825181.898 }, "end": { "local": "1918-03-09T05:48:55+03:26", "utc": "1918-03-09T02:22:55Z", "ms": -1635197825181.898 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:46 on Fri 8 Mar to 12:48 on Sat 9 Mar.", "fact": "1918-03-08T11:21:25Z → 1918-03-09T09:23:18Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 8th and 05:48 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25223 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Mashhad, 1918: Saturday 9 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": "1918-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-09", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Ekādaśī 1918 falls on Saturday 9 March. Ekādaśī runs from 14:46 on Fri 8 Mar to 12:48 on Sat 9 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-03-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26462, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-03-10T10:08:22+03:26", "utc": "1918-03-10T06:42:22Z", "ms": -1635095857765.312 }, "end": { "local": "1918-03-11T06:52:41+03:26", "utc": "1918-03-11T03:26:41Z", "ms": -1635021199145.6492 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1918-03-10T10:08:22+03:26", "utc": "1918-03-10T06:42:22Z", "ms": -1635095857765.312 }, "end": { "local": "1918-03-11T06:52:41+03:26", "utc": "1918-03-11T03:26:41Z", "ms": -1635021199145.6492 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-03-10", "window": { "start": { "local": "1918-03-10T17:29:24+03:26", "utc": "1918-03-10T14:03:24Z", "ms": -1635069395616.548 }, "end": { "local": "1918-03-10T19:07:38+03:26", "utc": "1918-03-10T15:41:38Z", "ms": -1635063502073.5017 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1918-03-11", "window": { "start": { "local": "1918-03-11T17:30:18+03:26", "utc": "1918-03-11T14:04:18Z", "ms": -1634982941733.1257 }, "end": { "local": "1918-03-11T19:08:13+03:26", "utc": "1918-03-11T15:42:13Z", "ms": -1634977066714.5068 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:07 on Sun 10 Mar to 06:52 on Mon 11 Mar.", "fact": "1918-03-10T06:42:22Z → 1918-03-11T03:26:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:28–19:07 on the 10th, 17:29–19:07 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 98 of 98 minutes on the 10th and 0 of 98 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 26462 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Sunday 10 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": "1918-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-10", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Sunday 10 March. Trayodaśī runs from 10:07 on Sun 10 Mar to 06:52 on Mon 11 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-03-10", "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/1918/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11441, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-03-11T06:52:41+03:26", "utc": "1918-03-11T03:26:41Z", "ms": -1635021199145.6492 }, "end": { "local": "1918-03-12T03:12:10+03:26", "utc": "1918-03-11T23:46:10Z", "ms": -1634948029572.7336 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1918-03-11T06:52:41+03:26", "utc": "1918-03-11T03:26:41Z", "ms": -1635021199145.6492 }, "end": { "local": "1918-03-12T03:12:10+03:26", "utc": "1918-03-11T23:46:10Z", "ms": -1634948029572.7336 } }, "kaala": "nishita", "days": [ { "local_date": "1918-03-10", "window": { "start": { "local": "1918-03-10T23:13:45+03:26", "utc": "1918-03-10T19:47:45Z", "ms": -1635048734830.1238 }, "end": { "local": "1918-03-11T00:01:45+03:26", "utc": "1918-03-10T20:35:45Z", "ms": -1635045854830.1238 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-03-11", "window": { "start": { "local": "1918-03-11T23:13:30+03:26", "utc": "1918-03-11T19:47:30Z", "ms": -1634962350413.305 }, "end": { "local": "1918-03-12T00:01:30+03:26", "utc": "1918-03-11T20:35:30Z", "ms": -1634959470413.305 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:52 on Mon 11 Mar to 03:11 on Tue 12 Mar.", "fact": "1918-03-11T03:26:41Z → 1918-03-11T23:46:10Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:13–00:01 on the 10th, 23:12–00:00 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 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 11441 s" }, { "step": "ruling", "text": "Mahāśivarātri, Mashhad, 1918: Monday 11 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-11", "confidence": "determinate" } ], "quote": "In Mashhad, Mahāśivarātri 1918 falls on Monday 11 March. Caturdaśī runs from 06:52 on Mon 11 Mar to 03:11 on Tue 12 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vinayaka-chaturthi?on=1918-03-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 560, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-03-15T12:10:27+03:26", "utc": "1918-03-15T08:44:27Z", "ms": -1634656532680.1543 }, "end": { "local": "1918-03-16T09:16:48+03:26", "utc": "1918-03-16T05:50:48Z", "ms": -1634580552299.122 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1918-03-15T12:10:27+03:26", "utc": "1918-03-15T08:44:27Z", "ms": -1634656532680.1543 }, "end": { "local": "1918-03-16T09:16:48+03:26", "utc": "1918-03-16T05:50:48Z", "ms": -1634580552299.122 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-03-15", "window": { "start": { "local": "1918-03-15T11:13:08+03:26", "utc": "1918-03-15T07:47:08Z", "ms": -1634659972497.5732 }, "end": { "local": "1918-03-15T12:01:08+03:26", "utc": "1918-03-15T08:35:08Z", "ms": -1634657092497.5732 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-03-16", "window": { "start": { "local": "1918-03-16T11:12:51+03:26", "utc": "1918-03-16T07:46:51Z", "ms": -1634573589343.9297 }, "end": { "local": "1918-03-16T12:00:51+03:26", "utc": "1918-03-16T08:34:51Z", "ms": -1634570709343.9297 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:09 on Fri 15 Mar to 09:16 on Sat 16 Mar.", "fact": "1918-03-15T08:44:27Z → 1918-03-16T05:50:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 15th, 11:12–12:00 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 560 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Saturday 16 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": "1918-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-15", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Saturday 16 March. Caturthī runs from 12:09 on Fri 15 Mar to 09:16 on Sat 16 Mar, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-03-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/ekadashi?on=1918-03-23", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7117, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-03-22T07:28:51+03:26", "utc": "1918-03-22T04:02:51Z", "ms": -1634068629226.4202 }, "end": { "local": "1918-03-23T09:25:17+03:26", "utc": "1918-03-23T05:59:17Z", "ms": -1633975243030.7808 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1918-03-22T07:28:51+03:26", "utc": "1918-03-22T04:02:51Z", "ms": -1634068629226.4202 }, "end": { "local": "1918-03-23T09:25:17+03:26", "utc": "1918-03-23T05:59:17Z", "ms": -1633975243030.7808 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-03-22", "window": { "start": { "local": "1918-03-22T05:30:14+03:26", "utc": "1918-03-22T02:04:14Z", "ms": -1634075745831.1934 }, "end": { "local": "1918-03-22T05:30:14+03:26", "utc": "1918-03-22T02:04:14Z", "ms": -1634075745831.1934 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-03-23", "window": { "start": { "local": "1918-03-23T05:28:46+03:26", "utc": "1918-03-23T02:02:46Z", "ms": -1633989433501.1792 }, "end": { "local": "1918-03-23T05:28:46+03:26", "utc": "1918-03-23T02:02:46Z", "ms": -1633989433501.1792 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:28 on Fri 22 Mar to 09:24 on Sat 23 Mar.", "fact": "1918-03-22T04:02:51Z → 1918-03-23T05:59:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:29 on the 22nd and 05:28 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7117 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Mashhad, 1918: Saturday 23 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": "1918-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-23", "confidence": "determinate" } ], "quote": "In Mashhad, Āmalakī Ekādaśī 1918 falls on Saturday 23 March. Ekādaśī runs from 07:28 on Fri 22 Mar to 09:24 on Sat 23 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-03-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13104, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-03-24T11:39:44+03:26", "utc": "1918-03-24T08:13:44Z", "ms": -1633880776077.7566 }, "end": { "local": "1918-03-25T14:04:06+03:26", "utc": "1918-03-25T10:38:06Z", "ms": -1633785714187.8801 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1918-03-24T11:39:44+03:26", "utc": "1918-03-24T08:13:44Z", "ms": -1633880776077.7566 }, "end": { "local": "1918-03-25T14:04:06+03:26", "utc": "1918-03-25T10:38:06Z", "ms": -1633785714187.8801 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-03-24", "window": { "start": { "local": "1918-03-24T17:41:39+03:26", "utc": "1918-03-24T14:15:39Z", "ms": -1633859061295.3303 }, "end": { "local": "1918-03-24T19:15:32+03:26", "utc": "1918-03-24T15:49:32Z", "ms": -1633853427655.0942 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1918-03-25", "window": { "start": { "local": "1918-03-25T17:42:30+03:26", "utc": "1918-03-25T14:16:30Z", "ms": -1633772610167.5117 }, "end": { "local": "1918-03-25T19:16:05+03:26", "utc": "1918-03-25T15:50:05Z", "ms": -1633766995045.7495 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:39 on Sun 24 Mar to 14:03 on Mon 25 Mar.", "fact": "1918-03-24T08:13:44Z → 1918-03-25T10:38:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:15 on the 24th, 17:41–19:15 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 94 of 94 minutes on the 24th and 0 of 94 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 13104 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Sunday 24 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": "1918-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-24", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Sunday 24 March. Trayodaśī runs from 11:39 on Sun 24 Mar to 14:03 on Mon 25 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-27", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 4284, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-03-26T16:31:57+03:26", "utc": "1918-03-26T13:05:57Z", "ms": -1633690443415.529 }, "end": { "local": "1918-03-27T18:58:25+03:26", "utc": "1918-03-27T15:32:25Z", "ms": -1633595254841.6118 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1918-03-26T16:31:57+03:26", "utc": "1918-03-26T13:05:57Z", "ms": -1633690443415.529 }, "end": { "local": "1918-03-27T18:58:25+03:26", "utc": "1918-03-27T15:32:25Z", "ms": -1633595254841.6118 } }, "kaala": "sayahna", "days": [ { "local_date": "1918-03-26", "window": { "start": { "local": "1918-03-26T15:15:33+03:26", "utc": "1918-03-26T11:49:33Z", "ms": -1633695026668.8977 }, "end": { "local": "1918-03-26T17:43:21+03:26", "utc": "1918-03-26T14:17:21Z", "ms": -1633686159147.5486 } }, "covered_min": 71, "window_min": 148, "qualifies": true }, { "local_date": "1918-03-27", "window": { "start": { "local": "1918-03-27T15:15:57+03:26", "utc": "1918-03-27T11:49:57Z", "ms": -1633608603473.121 }, "end": { "local": "1918-03-27T17:44:12+03:26", "utc": "1918-03-27T14:18:12Z", "ms": -1633599708220.5405 } }, "covered_min": 148, "window_min": 148, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:31 on Tue 26 Mar to 18:57 on Wed 27 Mar.", "fact": "1918-03-26T13:05:57Z → 1918-03-27T15:32:25Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:15–17:42 on the 26th, 15:15–17:43 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 71 of 148 minutes on the 26th and 148 of 148 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 4284 s" }, { "step": "ruling", "text": "Holikā Dahana, Mashhad, 1918: Wednesday 27 March.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1918-03-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-27", "confidence": "boundary" } ], "quote": "In Mashhad, Holikā Dahana 1918 falls on Wednesday 27 March. Pūrṇimā runs from 16:31 on Tue 26 Mar to 18:57 on Wed 27 Mar and covers all of sāyāhna that late afternoon. It also reaches the previous late afternoon for 71 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 4284, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-03-26T16:31:57+03:26", "utc": "1918-03-26T13:05:57Z", "ms": -1633690443415.529 }, "end": { "local": "1918-03-27T18:58:25+03:26", "utc": "1918-03-27T15:32:25Z", "ms": -1633595254841.6118 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1918-03-26T16:31:57+03:26", "utc": "1918-03-26T13:05:57Z", "ms": -1633690443415.529 }, "end": { "local": "1918-03-27T18:58:25+03:26", "utc": "1918-03-27T15:32:25Z", "ms": -1633595254841.6118 } }, "kaala": "sayahna", "days": [ { "local_date": "1918-03-26", "window": { "start": { "local": "1918-03-26T15:15:33+03:26", "utc": "1918-03-26T11:49:33Z", "ms": -1633695026668.8977 }, "end": { "local": "1918-03-26T17:43:21+03:26", "utc": "1918-03-26T14:17:21Z", "ms": -1633686159147.5486 } }, "covered_min": 71, "window_min": 148, "qualifies": true }, { "local_date": "1918-03-27", "window": { "start": { "local": "1918-03-27T15:15:57+03:26", "utc": "1918-03-27T11:49:57Z", "ms": -1633608603473.121 }, "end": { "local": "1918-03-27T17:44:12+03:26", "utc": "1918-03-27T14:18:12Z", "ms": -1633599708220.5405 } }, "covered_min": 148, "window_min": 148, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1918-03-27", "days": 1 }, "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:31 on Tue 26 Mar to 18:57 on Wed 27 Mar.", "fact": "1918-03-26T13:05:57Z → 1918-03-27T15:32:25Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:15–17:42 on the 26th, 15:15–17:43 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 71 of 148 minutes on the 26th and 148 of 148 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 4284 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Wednesday 27 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Mashhad, 1918: Thursday 28 March.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1918-03-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-28", "confidence": "boundary" } ], "quote": "In Mashhad, Holī 1918 falls on Thursday 28 March. It is kept the day after Holikā Dahana, which falls on Wednesday 27 March. Pūrṇimā runs from 16:31 on Tue 26 Mar to 18:57 on Wed 27 Mar and covers all of sāyāhna on the 27th. It also reaches the previous late afternoon for 71 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28821, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1918-03-27T18:58:25+03:26", "utc": "1918-03-27T15:32:25Z", "ms": -1633595254841.6118 }, "end": { "local": "1918-03-28T21:19:39+03:26", "utc": "1918-03-28T17:53:39Z", "ms": -1633500380735.211 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-03-27T18:58:25+03:26", "utc": "1918-03-27T15:32:25Z", "ms": -1633595254841.6118 }, "end": { "local": "1918-03-28T21:19:39+03:26", "utc": "1918-03-28T17:53:39Z", "ms": -1633500380735.211 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-03-28", "window": { "start": { "local": "1918-03-28T05:21:28+03:26", "utc": "1918-03-28T01:55:28Z", "ms": -1633557872149.914 }, "end": { "local": "1918-03-28T05:21:28+03:26", "utc": "1918-03-28T01:55:28Z", "ms": -1633557872149.914 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-03-29", "window": { "start": { "local": "1918-03-29T05:20:00+03:26", "utc": "1918-03-29T01:54:00Z", "ms": -1633471559722.5261 }, "end": { "local": "1918-03-29T05:20:00+03:26", "utc": "1918-03-29T01:54:00Z", "ms": -1633471559722.5261 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:57 on Wed 27 Mar to 21:19 on Thu 28 Mar.", "fact": "1918-03-27T15:32:25Z → 1918-03-28T17:53:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:20 on the 28th and 05:19 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 28821 s" }, { "step": "ruling", "text": "Vasantotsava, Mashhad, 1918: Thursday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-28", "confidence": "determinate" } ], "quote": "In Mashhad, Vasantotsava 1918 falls on Thursday 28 March. Pratipadā runs from 18:57 on Wed 27 Mar to 21:19 on Thu 28 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-03-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17657, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-03-31T01:30:48+03:26", "utc": "1918-03-30T22:04:48Z", "ms": -1633312511682.6482 }, "end": { "local": "1918-04-01T03:10:52+03:26", "utc": "1918-03-31T23:44:52Z", "ms": -1633220108429.444 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-03-31T01:30:48+03:26", "utc": "1918-03-30T22:04:48Z", "ms": -1633312511682.6482 }, "end": { "local": "1918-04-01T03:10:52+03:26", "utc": "1918-03-31T23:44:52Z", "ms": -1633220108429.444 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-03-30", "window": { "start": { "local": "1918-03-30T20:36:31+03:26", "utc": "1918-03-30T17:10:31Z", "ms": -1633330169085.6416 }, "end": { "local": "1918-03-30T20:36:31+03:26", "utc": "1918-03-30T17:10:31Z", "ms": -1633330169085.6416 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-03-31", "window": { "start": { "local": "1918-03-31T21:34:34+03:26", "utc": "1918-03-31T18:08:34Z", "ms": -1633240286278.0735 }, "end": { "local": "1918-03-31T21:34:34+03:26", "utc": "1918-03-31T18:08:34Z", "ms": -1633240286278.0735 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:30 on Sun 31 Mar to 03:10 on Mon 1 Apr.", "fact": "1918-03-30T22:04:48Z → 1918-03-31T23:44:52Z" }, { "step": "kaala", "text": "Moonrise is at 20:36 on the 30th and 21:34 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 17657 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Sunday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-03-31", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Sunday 31 March. Caturthī runs from 01:30 on Sun 31 Mar to 03:10 on Mon 1 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-03-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21281, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1918-04-04T05:12:27+03:26", "utc": "1918-04-04T01:46:27Z", "ms": -1632953612799.066 }, "end": { "local": "1918-04-05T04:34:11+03:26", "utc": "1918-04-05T01:08:11Z", "ms": -1632869509301.5415 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-04T05:12:27+03:26", "utc": "1918-04-04T01:46:27Z", "ms": -1632953612799.066 }, "end": { "local": "1918-04-05T04:34:11+03:26", "utc": "1918-04-05T01:08:11Z", "ms": -1632869509301.5415 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-04", "window": { "start": { "local": "1918-04-04T11:07:08+03:26", "utc": "1918-04-04T07:41:08Z", "ms": -1632932331939.6528 }, "end": { "local": "1918-04-04T11:55:08+03:26", "utc": "1918-04-04T08:29:08Z", "ms": -1632929451939.6528 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-04-05", "window": { "start": { "local": "1918-04-05T11:06:50+03:26", "utc": "1918-04-05T07:40:50Z", "ms": -1632845949607.0972 }, "end": { "local": "1918-04-05T11:54:50+03:26", "utc": "1918-04-05T08:28:50Z", "ms": -1632843069607.0972 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:11 on Thu 4 Apr to 04:33 on Fri 5 Apr.", "fact": "1918-04-04T01:46:27Z → 1918-04-05T01:08:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 4th, 11:06–11:54 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 21281 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Mashhad, 1918: Thursday 4 April.", "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": "1918-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-04", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalāṣṭamī 1918 falls on Thursday 4 April. Aṣṭamī runs from 05:11 on Thu 4 Apr to 04:33 on Fri 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-04-07", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14410, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-04-07T01:06:52+03:26", "utc": "1918-04-06T21:40:52Z", "ms": -1632709148489.3125 }, "end": { "local": "1918-04-07T22:23:57+03:26", "utc": "1918-04-07T18:57:57Z", "ms": -1632632522922.6228 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-07T01:06:52+03:26", "utc": "1918-04-06T21:40:52Z", "ms": -1632709148489.3125 }, "end": { "local": "1918-04-07T22:23:57+03:26", "utc": "1918-04-07T18:57:57Z", "ms": -1632632522922.6228 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-04-07", "window": { "start": { "local": "1918-04-07T05:07:02+03:26", "utc": "1918-04-07T01:41:02Z", "ms": -1632694738493.3706 }, "end": { "local": "1918-04-07T05:07:02+03:26", "utc": "1918-04-07T01:41:02Z", "ms": -1632694738493.3706 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-04-08", "window": { "start": { "local": "1918-04-08T05:05:37+03:26", "utc": "1918-04-08T01:39:37Z", "ms": -1632608423414.0234 }, "end": { "local": "1918-04-08T05:05:37+03:26", "utc": "1918-04-08T01:39:37Z", "ms": -1632608423414.0234 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:06 on Sun 7 Apr to 22:23 on Sun 7 Apr.", "fact": "1918-04-06T21:40:52Z → 1918-04-07T18:57:57Z" }, { "step": "kaala", "text": "Sunrise is at 05:06 on the 7th and 05:05 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14410 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Mashhad, 1918: Sunday 7 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": "1918-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-07", "confidence": "determinate" } ], "quote": "In Mashhad, Pāpamocanī Ekādaśī 1918 falls on Sunday 7 April. Ekādaśī runs from 01:06 on Sun 7 Apr to 22:23 on Sun 7 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-04-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-04-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 808, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-04-08T19:10:11+03:26", "utc": "1918-04-08T15:44:11Z", "ms": -1632557749056.6106 }, "end": { "local": "1918-04-09T15:34:35+03:26", "utc": "1918-04-09T12:08:35Z", "ms": -1632484284812.636 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-08T19:10:11+03:26", "utc": "1918-04-08T15:44:11Z", "ms": -1632557749056.6106 }, "end": { "local": "1918-04-09T15:34:35+03:26", "utc": "1918-04-09T12:08:35Z", "ms": -1632484284812.636 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-04-08", "window": { "start": { "local": "1918-04-08T17:54:21+03:26", "utc": "1918-04-08T14:28:21Z", "ms": -1632562299433.6309 }, "end": { "local": "1918-04-08T19:23:39+03:26", "utc": "1918-04-08T15:57:39Z", "ms": -1632556940563.0593 } }, "covered_min": 13, "window_min": 89, "qualifies": true }, { "local_date": "1918-04-09", "window": { "start": { "local": "1918-04-09T17:55:11+03:26", "utc": "1918-04-09T14:29:11Z", "ms": -1632475848587.1094 }, "end": { "local": "1918-04-09T19:24:12+03:26", "utc": "1918-04-09T15:58:12Z", "ms": -1632470507700.5183 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:09 on Mon 8 Apr to 15:34 on Tue 9 Apr.", "fact": "1918-04-08T15:44:11Z → 1918-04-09T12:08:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:23 on the 8th, 17:54–19:23 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 13 of 89 minutes on the 8th and 0 of 89 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 808 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Monday 8 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": "1918-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-08", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Monday 8 April. Trayodaśī runs from 19:09 on Mon 8 Apr to 15:34 on Tue 9 Apr and covers 13 of 89 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-04-08", "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/1918/shivaratri?on=1918-04-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27025, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-04-09T15:34:35+03:26", "utc": "1918-04-09T12:08:35Z", "ms": -1632484284812.636 }, "end": { "local": "1918-04-10T11:47:30+03:26", "utc": "1918-04-10T08:21:30Z", "ms": -1632411510453.6301 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-09T15:34:35+03:26", "utc": "1918-04-09T12:08:35Z", "ms": -1632484284812.636 }, "end": { "local": "1918-04-10T11:47:30+03:26", "utc": "1918-04-10T08:21:30Z", "ms": -1632411510453.6301 } }, "kaala": "nishita", "days": [ { "local_date": "1918-04-09", "window": { "start": { "local": "1918-04-09T23:05:00+03:26", "utc": "1918-04-09T19:39:00Z", "ms": -1632457260262.3926 }, "end": { "local": "1918-04-09T23:53:00+03:26", "utc": "1918-04-09T20:27:00Z", "ms": -1632454380262.3926 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-04-10", "window": { "start": { "local": "1918-04-10T23:04:43+03:26", "utc": "1918-04-10T19:38:43Z", "ms": -1632370876593.8542 }, "end": { "local": "1918-04-10T23:52:43+03:26", "utc": "1918-04-10T20:26:43Z", "ms": -1632367996593.8542 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:34 on Tue 9 Apr to 11:46 on Wed 10 Apr.", "fact": "1918-04-09T12:08:35Z → 1918-04-10T08:21:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:04–23:52 on the 9th, 23:04–23:52 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27025 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Tuesday 9 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": "1918-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-09", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Tuesday 9 April. Caturdaśī runs from 15:34 on Tue 9 Apr to 11:46 on Wed 10 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-04-09", "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/1918/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11111, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1918-04-11T07:59:57+03:26", "utc": "1918-04-11T04:33:57Z", "ms": -1632338762589.8599 }, "end": { "local": "1918-04-12T04:23:15+03:26", "utc": "1918-04-12T00:57:15Z", "ms": -1632265364845.3108 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-11T07:59:57+03:26", "utc": "1918-04-11T04:33:57Z", "ms": -1632338762589.8599 }, "end": { "local": "1918-04-12T04:23:15+03:26", "utc": "1918-04-12T00:57:15Z", "ms": -1632265364845.3108 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-11", "window": { "start": { "local": "1918-04-11T11:05:09+03:26", "utc": "1918-04-11T07:39:09Z", "ms": -1632327651129.5625 }, "end": { "local": "1918-04-11T11:53:09+03:26", "utc": "1918-04-11T08:27:09Z", "ms": -1632324771129.5625 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-04-12", "window": { "start": { "local": "1918-04-12T11:04:53+03:26", "utc": "1918-04-12T07:38:53Z", "ms": -1632241267167.4924 }, "end": { "local": "1918-04-12T11:52:53+03:26", "utc": "1918-04-12T08:26:53Z", "ms": -1632238387167.4924 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:59 on Thu 11 Apr to 04:22 on Fri 12 Apr.", "fact": "1918-04-11T04:33:57Z → 1918-04-12T00:57:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 11th, 11:04–11:52 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11111 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Mashhad, 1918: Thursday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-11", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Caitra) (Chaitra Navratri) 1918 falls on Thursday 11 April. Pratipadā runs from 07:59 on Thu 11 Apr to 04:22 on Fri 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35489, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1918-04-13T14:50:08+03:26", "utc": "1918-04-13T11:24:08Z", "ms": -1632141351720.4526 }, "end": { "local": "1918-05-14T11:47:37+03:26", "utc": "1918-05-14T08:21:37Z", "ms": -1629473903437.3643 } }, "span": { "of": "transit", "start": { "local": "1918-04-13T14:50:08+03:26", "utc": "1918-04-13T11:24:08Z", "ms": -1632141351720.4526 }, "end": { "local": "1918-04-13T14:50:08+03:26", "utc": "1918-04-13T11:24:08Z", "ms": -1632141351720.4526 } }, "kaala": "day", "days": [ { "local_date": "1918-04-12", "window": { "start": { "local": "1918-04-12T05:00:01+03:26", "utc": "1918-04-12T01:34:01Z", "ms": -1632263158531.9502 }, "end": { "local": "1918-04-13T04:58:39+03:26", "utc": "1918-04-13T01:32:39Z", "ms": -1632176841043.257 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "1918-04-13", "window": { "start": { "local": "1918-04-13T04:58:39+03:26", "utc": "1918-04-13T01:32:39Z", "ms": -1632176841043.257 }, "end": { "local": "1918-04-14T04:57:17+03:26", "utc": "1918-04-14T01:31:17Z", "ms": -1632090522997.0981 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 14:49 on Sat 13 Apr.", "fact": "1918-04-13T11:24:08Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 04:59 on the 12th, and from 04:58 on the 13th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 35489 s" }, { "step": "ruling", "text": "Vaiśākhī, Mashhad, 1918: Saturday 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": "1918-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1918-04-13", "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": "1918-04-13", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Mashhad, Vaiśākhī 1918 falls on Saturday 13 April. The Sun enters Meṣa at 14:49 on Sat 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35775, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1918-04-13T01:08:22+03:26", "utc": "1918-04-12T21:42:22Z", "ms": -1632190658269.5156 }, "end": { "local": "1918-04-13T22:25:24+03:26", "utc": "1918-04-13T18:59:24Z", "ms": -1632114035542.0386 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-13T01:08:22+03:26", "utc": "1918-04-12T21:42:22Z", "ms": -1632190658269.5156 }, "end": { "local": "1918-04-13T22:25:24+03:26", "utc": "1918-04-13T18:59:24Z", "ms": -1632114035542.0386 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-13", "window": { "start": { "local": "1918-04-13T11:04:37+03:26", "utc": "1918-04-13T07:38:37Z", "ms": -1632154882920.9219 }, "end": { "local": "1918-04-13T11:52:37+03:26", "utc": "1918-04-13T08:26:37Z", "ms": -1632152002920.9219 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-04-14", "window": { "start": { "local": "1918-04-14T11:04:22+03:26", "utc": "1918-04-14T07:38:22Z", "ms": -1632068498378.2686 }, "end": { "local": "1918-04-14T11:52:22+03:26", "utc": "1918-04-14T08:26:22Z", "ms": -1632065618378.2686 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:07 on Sat 13 Apr to 22:24 on Sat 13 Apr.", "fact": "1918-04-12T21:42:22Z → 1918-04-13T18:59:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 13th, 11:03–11:51 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35775 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Mashhad, 1918: Saturday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-13", "confidence": "determinate" } ], "quote": "In Mashhad, Gaurī Tṛtīyā (Gangaur) 1918 falls on Saturday 13 April. Tṛtīyā runs from 01:07 on Sat 13 Apr to 22:24 on Sat 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35775, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1918-04-13T01:08:22+03:26", "utc": "1918-04-12T21:42:22Z", "ms": -1632190658269.5156 }, "end": { "local": "1918-04-13T22:25:24+03:26", "utc": "1918-04-13T18:59:24Z", "ms": -1632114035542.0386 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-13T01:08:22+03:26", "utc": "1918-04-12T21:42:22Z", "ms": -1632190658269.5156 }, "end": { "local": "1918-04-13T22:25:24+03:26", "utc": "1918-04-13T18:59:24Z", "ms": -1632114035542.0386 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-13", "window": { "start": { "local": "1918-04-13T11:04:37+03:26", "utc": "1918-04-13T07:38:37Z", "ms": -1632154882920.9219 }, "end": { "local": "1918-04-13T11:52:37+03:26", "utc": "1918-04-13T08:26:37Z", "ms": -1632152002920.9219 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-04-14", "window": { "start": { "local": "1918-04-14T11:04:22+03:26", "utc": "1918-04-14T07:38:22Z", "ms": -1632068498378.2686 }, "end": { "local": "1918-04-14T11:52:22+03:26", "utc": "1918-04-14T08:26:22Z", "ms": -1632065618378.2686 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:07 on Sat 13 Apr to 22:24 on Sat 13 Apr.", "fact": "1918-04-12T21:42:22Z → 1918-04-13T18:59:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 13th, 11:03–11:51 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35775 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Mashhad, 1918: Saturday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-13", "confidence": "determinate" } ], "quote": "In Mashhad, Saubhāgya Śayana Vrata 1918 falls on Saturday 13 April. Tṛtīyā runs from 01:07 on Sat 13 Apr to 22:24 on Sat 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vinayaka-chaturthi?on=1918-04-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30636, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-04-13T22:25:24+03:26", "utc": "1918-04-13T18:59:24Z", "ms": -1632114035542.0386 }, "end": { "local": "1918-04-14T20:22:58+03:26", "utc": "1918-04-14T16:56:58Z", "ms": -1632034982076.5066 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-13T22:25:24+03:26", "utc": "1918-04-13T18:59:24Z", "ms": -1632114035542.0386 }, "end": { "local": "1918-04-14T20:22:58+03:26", "utc": "1918-04-14T16:56:58Z", "ms": -1632034982076.5066 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-13", "window": { "start": { "local": "1918-04-13T11:04:37+03:26", "utc": "1918-04-13T07:38:37Z", "ms": -1632154882920.9219 }, "end": { "local": "1918-04-13T11:52:37+03:26", "utc": "1918-04-13T08:26:37Z", "ms": -1632152002920.9219 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-04-14", "window": { "start": { "local": "1918-04-14T11:04:22+03:26", "utc": "1918-04-14T07:38:22Z", "ms": -1632068498378.2686 }, "end": { "local": "1918-04-14T11:52:22+03:26", "utc": "1918-04-14T08:26:22Z", "ms": -1632065618378.2686 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:24 on Sat 13 Apr to 20:22 on Sun 14 Apr.", "fact": "1918-04-13T18:59:24Z → 1918-04-14T16:56:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 13th, 11:03–11:51 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30636 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Sunday 14 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": "1918-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-14", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Sunday 14 April. Caturthī runs from 22:24 on Sat 13 Apr to 20:22 on Sun 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-04-14", "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/1918/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26110, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1918-04-14T20:22:58+03:26", "utc": "1918-04-14T16:56:58Z", "ms": -1632034982076.5066 }, "end": { "local": "1918-04-15T19:07:16+03:26", "utc": "1918-04-15T15:41:16Z", "ms": -1631953123989.1436 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-14T20:22:58+03:26", "utc": "1918-04-14T16:56:58Z", "ms": -1632034982076.5066 }, "end": { "local": "1918-04-15T19:07:16+03:26", "utc": "1918-04-15T15:41:16Z", "ms": -1631953123989.1436 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-14", "window": { "start": { "local": "1918-04-14T11:04:22+03:26", "utc": "1918-04-14T07:38:22Z", "ms": -1632068498378.2686 }, "end": { "local": "1918-04-14T11:52:22+03:26", "utc": "1918-04-14T08:26:22Z", "ms": -1632065618378.2686 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-04-15", "window": { "start": { "local": "1918-04-15T11:04:06+03:26", "utc": "1918-04-15T07:38:06Z", "ms": -1631982113527.3066 }, "end": { "local": "1918-04-15T11:52:06+03:26", "utc": "1918-04-15T08:26:06Z", "ms": -1631979233527.3066 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:22 on Sun 14 Apr to 19:06 on Mon 15 Apr.", "fact": "1918-04-14T16:56:58Z → 1918-04-15T15:41:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 14th, 11:03–11:51 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26110 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Mashhad, 1918: Monday 15 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-15", "confidence": "determinate" } ], "quote": "In Mashhad, Lakṣmī Pañcamī 1918 falls on Monday 15 April. Pañcamī runs from 20:22 on Sun 14 Apr to 19:06 on Mon 15 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25976, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1918-04-17T19:04:33+03:26", "utc": "1918-04-17T15:38:33Z", "ms": -1631780486983.1753 }, "end": { "local": "1918-04-18T20:12:03+03:26", "utc": "1918-04-18T16:46:03Z", "ms": -1631690036758.7563 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-17T19:04:33+03:26", "utc": "1918-04-17T15:38:33Z", "ms": -1631780486983.1753 }, "end": { "local": "1918-04-18T20:12:03+03:26", "utc": "1918-04-18T16:46:03Z", "ms": -1631690036758.7563 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-17", "window": { "start": { "local": "1918-04-17T11:03:37+03:26", "utc": "1918-04-17T07:37:37Z", "ms": -1631809342847.7192 }, "end": { "local": "1918-04-17T11:51:37+03:26", "utc": "1918-04-17T08:25:37Z", "ms": -1631806462847.7192 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-04-18", "window": { "start": { "local": "1918-04-18T11:03:23+03:26", "utc": "1918-04-18T07:37:23Z", "ms": -1631722956991.1108 }, "end": { "local": "1918-04-18T11:51:23+03:26", "utc": "1918-04-18T08:25:23Z", "ms": -1631720076991.1108 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:04 on Wed 17 Apr to 20:11 on Thu 18 Apr.", "fact": "1918-04-17T15:38:33Z → 1918-04-18T16:46:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 17th, 11:02–11:50 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 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 25976 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Mashhad, 1918: Thursday 18 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-18", "confidence": "determinate" } ], "quote": "In Mashhad, Bhavānī Utpatti 1918 falls on Thursday 18 April. Aṣṭamī runs from 19:04 on Wed 17 Apr to 20:11 on Thu 18 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30040, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1918-04-18T20:12:03+03:26", "utc": "1918-04-18T16:46:03Z", "ms": -1631690036758.7563 }, "end": { "local": "1918-04-19T21:55:40+03:26", "utc": "1918-04-19T18:29:40Z", "ms": -1631597420045.3455 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-18T20:12:03+03:26", "utc": "1918-04-18T16:46:03Z", "ms": -1631690036758.7563 }, "end": { "local": "1918-04-19T21:55:40+03:26", "utc": "1918-04-19T18:29:40Z", "ms": -1631597420045.3455 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-18", "window": { "start": { "local": "1918-04-18T11:03:23+03:26", "utc": "1918-04-18T07:37:23Z", "ms": -1631722956991.1108 }, "end": { "local": "1918-04-18T11:51:23+03:26", "utc": "1918-04-18T08:25:23Z", "ms": -1631720076991.1108 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-04-19", "window": { "start": { "local": "1918-04-19T11:03:09+03:26", "utc": "1918-04-19T07:37:09Z", "ms": -1631636570770.5923 }, "end": { "local": "1918-04-19T11:51:09+03:26", "utc": "1918-04-19T08:25:09Z", "ms": -1631633690770.5923 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 20:11 on Thu 18 Apr to 21:55 on Fri 19 Apr.", "fact": "1918-04-18T16:46:03Z → 1918-04-19T18:29:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 18th, 11:02–11:50 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30040 s" }, { "step": "ruling", "text": "Rāma Navamī, Mashhad, 1918: Friday 19 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-19", "confidence": "determinate" } ], "quote": "In Mashhad, Rāma Navamī 1918 falls on Friday 19 April. Navamī runs from 20:11 on Thu 18 Apr to 21:55 on Fri 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-04-21", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8293, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-04-21T00:04:53+03:26", "utc": "1918-04-20T20:38:53Z", "ms": -1631503267179.6536 }, "end": { "local": "1918-04-22T02:28:31+03:26", "utc": "1918-04-21T23:02:31Z", "ms": -1631408248645.7722 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-21T00:04:53+03:26", "utc": "1918-04-20T20:38:53Z", "ms": -1631503267179.6536 }, "end": { "local": "1918-04-22T02:28:31+03:26", "utc": "1918-04-21T23:02:31Z", "ms": -1631408248645.7722 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-04-21", "window": { "start": { "local": "1918-04-21T04:48:01+03:26", "utc": "1918-04-21T01:22:01Z", "ms": -1631486278765.8262 }, "end": { "local": "1918-04-21T04:48:01+03:26", "utc": "1918-04-21T01:22:01Z", "ms": -1631486278765.8262 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-04-22", "window": { "start": { "local": "1918-04-22T04:46:45+03:26", "utc": "1918-04-22T01:20:45Z", "ms": -1631399955256.2942 }, "end": { "local": "1918-04-22T04:46:45+03:26", "utc": "1918-04-22T01:20:45Z", "ms": -1631399955256.2942 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:04 on Sun 21 Apr to 02:28 on Mon 22 Apr.", "fact": "1918-04-20T20:38:53Z → 1918-04-21T23:02:31Z" }, { "step": "kaala", "text": "Sunrise is at 04:47 on the 21st and 04:46 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8293 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Mashhad, 1918: Sunday 21 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": "1918-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-21", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmadā Ekādaśī 1918 falls on Sunday 21 April. Ekādaśī runs from 00:04 on Sun 21 Apr to 02:28 on Mon 22 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13340, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-04-23T04:56:17+03:26", "utc": "1918-04-23T01:30:17Z", "ms": -1631312982638.9478 }, "end": { "local": "1918-04-24T07:19:47+03:26", "utc": "1918-04-24T03:53:47Z", "ms": -1631217973486.4194 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-23T04:56:17+03:26", "utc": "1918-04-23T01:30:17Z", "ms": -1631312982638.9478 }, "end": { "local": "1918-04-24T07:19:47+03:26", "utc": "1918-04-24T03:53:47Z", "ms": -1631217973486.4194 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-23", "window": { "start": { "local": "1918-04-23T11:02:18+03:26", "utc": "1918-04-23T07:36:18Z", "ms": -1631291021952.7817 }, "end": { "local": "1918-04-23T11:50:18+03:26", "utc": "1918-04-23T08:24:18Z", "ms": -1631288141952.7817 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-04-24", "window": { "start": { "local": "1918-04-24T11:02:06+03:26", "utc": "1918-04-24T07:36:06Z", "ms": -1631204633690.44 }, "end": { "local": "1918-04-24T11:50:06+03:26", "utc": "1918-04-24T08:24:06Z", "ms": -1631201753690.44 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:55 on Tue 23 Apr to 07:19 on Wed 24 Apr.", "fact": "1918-04-23T01:30:17Z → 1918-04-24T03:53:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 23rd, 11:01–11:49 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13340 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Mashhad, 1918: Tuesday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-23", "confidence": "determinate" } ], "quote": "In Mashhad, Anaṅga Trayodaśī 1918 falls on Tuesday 23 April. Trayodaśī runs from 04:55 on Tue 23 Apr to 07:19 on Wed 24 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/pradosha-vrata?on=1918-04-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33888, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-04-23T04:56:17+03:26", "utc": "1918-04-23T01:30:17Z", "ms": -1631312982638.9478 }, "end": { "local": "1918-04-24T07:19:47+03:26", "utc": "1918-04-24T03:53:47Z", "ms": -1631217973486.4194 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-23T04:56:17+03:26", "utc": "1918-04-23T01:30:17Z", "ms": -1631312982638.9478 }, "end": { "local": "1918-04-24T07:19:47+03:26", "utc": "1918-04-24T03:53:47Z", "ms": -1631217973486.4194 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-04-22", "window": { "start": { "local": "1918-04-22T18:06:16+03:26", "utc": "1918-04-22T14:40:16Z", "ms": -1631351984298.2463 }, "end": { "local": "1918-04-22T19:31:29+03:26", "utc": "1918-04-22T16:05:29Z", "ms": -1631346870515.9475 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "1918-04-23", "window": { "start": { "local": "1918-04-23T18:07:07+03:26", "utc": "1918-04-23T14:41:07Z", "ms": -1631265532974.5586 }, "end": { "local": "1918-04-23T19:32:04+03:26", "utc": "1918-04-23T16:06:04Z", "ms": -1631260436012.554 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:55 on Tue 23 Apr to 07:19 on Wed 24 Apr.", "fact": "1918-04-23T01:30:17Z → 1918-04-24T03:53:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:30 on the 22nd, 18:06–19:31 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 22nd and 85 of 85 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33888 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Tuesday 23 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": "1918-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-23", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Tuesday 23 April. Trayodaśī runs from 04:55 on Tue 23 Apr to 07:19 on Wed 24 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-04-23", "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/1918/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5347, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-04-24T07:19:47+03:26", "utc": "1918-04-24T03:53:47Z", "ms": -1631217973486.4194 }, "end": { "local": "1918-04-25T09:32:48+03:26", "utc": "1918-04-25T06:06:48Z", "ms": -1631123592436.5352 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-24T07:19:47+03:26", "utc": "1918-04-24T03:53:47Z", "ms": -1631217973486.4194 }, "end": { "local": "1918-04-25T09:32:48+03:26", "utc": "1918-04-25T06:06:48Z", "ms": -1631123592436.5352 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-24", "window": { "start": { "local": "1918-04-24T11:02:06+03:26", "utc": "1918-04-24T07:36:06Z", "ms": -1631204633690.44 }, "end": { "local": "1918-04-24T11:50:06+03:26", "utc": "1918-04-24T08:24:06Z", "ms": -1631201753690.44 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-04-25", "window": { "start": { "local": "1918-04-25T11:01:55+03:26", "utc": "1918-04-25T07:35:55Z", "ms": -1631118244975.7979 }, "end": { "local": "1918-04-25T11:49:55+03:26", "utc": "1918-04-25T08:23:55Z", "ms": -1631115364975.7979 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:19 on Wed 24 Apr to 09:32 on Thu 25 Apr.", "fact": "1918-04-24T03:53:47Z → 1918-04-25T06:06:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 24th, 11:01–11:49 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5347 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Mashhad, 1918: Wednesday 24 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-24", "confidence": "determinate" } ], "quote": "In Mashhad, Viṣṇudamanaka Caturdaśī 1918 falls on Wednesday 24 April. Caturdaśī runs from 07:19 on Wed 24 Apr to 09:32 on Thu 25 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1120, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-04-25T09:32:48+03:26", "utc": "1918-04-25T06:06:48Z", "ms": -1631123592436.5352 }, "end": { "local": "1918-04-26T11:31:04+03:26", "utc": "1918-04-26T08:05:04Z", "ms": -1631030095616.0244 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1918-04-25T09:32:48+03:26", "utc": "1918-04-25T06:06:48Z", "ms": -1631123592436.5352 }, "end": { "local": "1918-04-26T11:31:04+03:26", "utc": "1918-04-26T08:05:04Z", "ms": -1631030095616.0244 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-04-25", "window": { "start": { "local": "1918-04-25T11:01:55+03:26", "utc": "1918-04-25T07:35:55Z", "ms": -1631118244975.7979 }, "end": { "local": "1918-04-25T11:49:55+03:26", "utc": "1918-04-25T08:23:55Z", "ms": -1631115364975.7979 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-04-26", "window": { "start": { "local": "1918-04-26T11:01:44+03:26", "utc": "1918-04-26T07:35:44Z", "ms": -1631031855794.653 }, "end": { "local": "1918-04-26T11:49:44+03:26", "utc": "1918-04-26T08:23:44Z", "ms": -1631028975794.653 } }, "covered_min": 29, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:32 on Thu 25 Apr to 11:30 on Fri 26 Apr.", "fact": "1918-04-25T06:06:48Z → 1918-04-26T08:05:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 25th, 11:01–11:49 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 48 of 48 minutes on the 25th and 29 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1120 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Mashhad, 1918: Friday 26 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": "1918-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-26", "confidence": "determinate" } ], "quote": "In Mashhad, Caitrī Pūrṇimā 1918 falls on Friday 26 April. Pūrṇimā runs from 09:32 on Thu 25 Apr to 11:30 on Fri 26 Apr and covers 29 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-04-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21132, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-04-29T15:29:23+03:26", "utc": "1918-04-29T12:03:23Z", "ms": -1630756597002.6218 }, "end": { "local": "1918-04-30T16:01:15+03:26", "utc": "1918-04-30T12:35:15Z", "ms": -1630668285019.5852 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-04-29T15:29:23+03:26", "utc": "1918-04-29T12:03:23Z", "ms": -1630756597002.6218 }, "end": { "local": "1918-04-30T16:01:15+03:26", "utc": "1918-04-30T12:35:15Z", "ms": -1630668285019.5852 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-04-29", "window": { "start": { "local": "1918-04-29T21:21:35+03:26", "utc": "1918-04-29T17:55:35Z", "ms": -1630735465473.3481 }, "end": { "local": "1918-04-29T21:21:35+03:26", "utc": "1918-04-29T17:55:35Z", "ms": -1630735465473.3481 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-04-30", "window": { "start": { "local": "1918-04-30T22:13:01+03:26", "utc": "1918-04-30T18:47:01Z", "ms": -1630645979111.159 }, "end": { "local": "1918-04-30T22:13:01+03:26", "utc": "1918-04-30T18:47:01Z", "ms": -1630645979111.159 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:28 on Mon 29 Apr to 16:00 on Tue 30 Apr.", "fact": "1918-04-29T12:03:23Z → 1918-04-30T12:35:15Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 29th and 22:12 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 21132 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Monday 29 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": "1918-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-04-29", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Monday 29 April. Caturthī runs from 15:28 on Mon 29 Apr to 16:00 on Tue 30 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-04-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/ekadashi?on=1918-05-07", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3146, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-05-06T08:19:14+03:26", "utc": "1918-05-06T04:53:14Z", "ms": -1630177605940.323 }, "end": { "local": "1918-05-07T05:21:59+03:26", "utc": "1918-05-07T01:55:59Z", "ms": -1630101841066.0283 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-06T08:19:14+03:26", "utc": "1918-05-06T04:53:14Z", "ms": -1630177605940.323 }, "end": { "local": "1918-05-07T05:21:59+03:26", "utc": "1918-05-07T01:55:59Z", "ms": -1630101841066.0283 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-05-06", "window": { "start": { "local": "1918-05-06T04:30:34+03:26", "utc": "1918-05-06T01:04:34Z", "ms": -1630191326433.141 }, "end": { "local": "1918-05-06T04:30:34+03:26", "utc": "1918-05-06T01:04:34Z", "ms": -1630191326433.141 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-05-07", "window": { "start": { "local": "1918-05-07T04:29:33+03:26", "utc": "1918-05-07T01:03:33Z", "ms": -1630104987454.9087 }, "end": { "local": "1918-05-07T04:29:33+03:26", "utc": "1918-05-07T01:03:33Z", "ms": -1630104987454.9087 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:18 on Mon 6 May to 05:21 on Tue 7 May.", "fact": "1918-05-06T04:53:14Z → 1918-05-07T01:55:59Z" }, { "step": "kaala", "text": "Sunrise is at 04:30 on the 6th and 04:29 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 3146 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Mashhad, 1918: Tuesday 7 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": "1918-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-07", "confidence": "determinate" } ], "quote": "In Mashhad, Varūthinī Ekādaśī 1918 falls on Tuesday 7 May. Ekādaśī runs from 08:18 on Mon 6 May to 05:21 on Tue 7 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-05-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11322, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-05-08T02:09:20+03:26", "utc": "1918-05-07T22:43:20Z", "ms": -1630027000107.9556 }, "end": { "local": "1918-05-08T22:49:41+03:26", "utc": "1918-05-08T19:23:41Z", "ms": -1629952579210.3323 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-08T02:09:20+03:26", "utc": "1918-05-07T22:43:20Z", "ms": -1630027000107.9556 }, "end": { "local": "1918-05-08T22:49:41+03:26", "utc": "1918-05-08T19:23:41Z", "ms": -1629952579210.3323 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-05-07", "window": { "start": { "local": "1918-05-07T18:19:06+03:26", "utc": "1918-05-07T14:53:06Z", "ms": -1630055213557.8872 }, "end": { "local": "1918-05-07T19:40:22+03:26", "utc": "1918-05-07T16:14:22Z", "ms": -1630050338044.975 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "1918-05-08", "window": { "start": { "local": "1918-05-08T18:19:57+03:26", "utc": "1918-05-08T14:53:57Z", "ms": -1629968762507.294 }, "end": { "local": "1918-05-08T19:40:58+03:26", "utc": "1918-05-08T16:14:58Z", "ms": -1629963901596.8447 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:08 on Wed 8 May to 22:49 on Wed 8 May.", "fact": "1918-05-07T22:43:20Z → 1918-05-08T19:23:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:39 on the 7th, 18:19–19:40 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 81 minutes on the 7th and 81 of 81 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 11322 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Wednesday 8 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": "1918-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-08", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Wednesday 8 May. Trayodaśī runs from 02:08 on Wed 8 May to 22:49 on Wed 8 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-05-08", "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/1918/shivaratri?on=1918-05-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 605, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-05-08T22:49:41+03:26", "utc": "1918-05-08T19:23:41Z", "ms": -1629952579210.3323 }, "end": { "local": "1918-05-09T19:32:13+03:26", "utc": "1918-05-09T16:06:13Z", "ms": -1629878026955.4685 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-08T22:49:41+03:26", "utc": "1918-05-08T19:23:41Z", "ms": -1629952579210.3323 }, "end": { "local": "1918-05-09T19:32:13+03:26", "utc": "1918-05-09T16:06:13Z", "ms": -1629878026955.4685 } }, "kaala": "nishita", "days": [ { "local_date": "1918-05-08", "window": { "start": { "local": "1918-05-08T22:59:46+03:26", "utc": "1918-05-08T19:33:46Z", "ms": -1629951974093.1094 }, "end": { "local": "1918-05-08T23:47:46+03:26", "utc": "1918-05-08T20:21:46Z", "ms": -1629949094093.1094 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-05-09", "window": { "start": { "local": "1918-05-09T22:59:43+03:26", "utc": "1918-05-09T19:33:43Z", "ms": -1629865577216.9592 }, "end": { "local": "1918-05-09T23:47:43+03:26", "utc": "1918-05-09T20:21:43Z", "ms": -1629862697216.9592 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:49 on Wed 8 May to 19:31 on Thu 9 May.", "fact": "1918-05-08T19:23:41Z → 1918-05-09T16:06:13Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:59–23:47 on the 8th, 22:59–23:47 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 605 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Wednesday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-08", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Wednesday 8 May. Caturdaśī runs from 22:49 on Wed 8 May to 19:31 on Thu 9 May and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-05-08", "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/1918/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24949, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1918-05-12T11:27:31+03:26", "utc": "1918-05-12T08:01:31Z", "ms": -1629647908800.0955 }, "end": { "local": "1918-05-13T09:50:44+03:26", "utc": "1918-05-13T06:24:44Z", "ms": -1629567316475.7427 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-12T11:27:31+03:26", "utc": "1918-05-12T08:01:31Z", "ms": -1629647908800.0955 }, "end": { "local": "1918-05-13T09:50:44+03:26", "utc": "1918-05-13T06:24:44Z", "ms": -1629567316475.7427 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-05-12", "window": { "start": { "local": "1918-05-12T18:23:20+03:26", "utc": "1918-05-12T14:57:20Z", "ms": -1629622959990.458 }, "end": { "local": "1918-05-12T19:43:25+03:26", "utc": "1918-05-12T16:17:25Z", "ms": -1629618155490.694 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "1918-05-13", "window": { "start": { "local": "1918-05-13T18:24:10+03:26", "utc": "1918-05-13T14:58:10Z", "ms": -1629536509926.013 }, "end": { "local": "1918-05-13T19:44:01+03:26", "utc": "1918-05-13T16:18:01Z", "ms": -1629531718996.5652 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:27 on Sun 12 May to 09:50 on Mon 13 May.", "fact": "1918-05-12T08:01:31Z → 1918-05-13T06:24:44Z" }, { "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": "Tṛtīyā must be present during pradoṣa. It covers 80 of 80 minutes on the 12th and 0 of 80 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24949 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Mashhad, 1918: Sunday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-12", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Jayantī 1918 falls on Sunday 12 May. Tṛtīyā runs from 11:27 on Sun 12 May to 09:50 on Mon 13 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2804, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1918-05-12T11:27:31+03:26", "utc": "1918-05-12T08:01:31Z", "ms": -1629647908800.0955 }, "end": { "local": "1918-05-13T09:50:44+03:26", "utc": "1918-05-13T06:24:44Z", "ms": -1629567316475.7427 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-12T11:27:31+03:26", "utc": "1918-05-12T08:01:31Z", "ms": -1629647908800.0955 }, "end": { "local": "1918-05-13T09:50:44+03:26", "utc": "1918-05-13T06:24:44Z", "ms": -1629567316475.7427 } }, "kaala": "purvahna", "days": [ { "local_date": "1918-05-12", "window": { "start": { "local": "1918-05-12T04:24:47+03:26", "utc": "1918-05-12T00:58:47Z", "ms": -1629673273137.7715 }, "end": { "local": "1918-05-12T09:04:18+03:26", "utc": "1918-05-12T05:38:18Z", "ms": -1629656502088.667 } }, "covered_min": 0, "window_min": 280, "qualifies": false }, { "local_date": "1918-05-13", "window": { "start": { "local": "1918-05-13T04:23:54+03:26", "utc": "1918-05-13T00:57:54Z", "ms": -1629586926242.2278 }, "end": { "local": "1918-05-13T09:03:59+03:26", "utc": "1918-05-13T05:37:59Z", "ms": -1629570120803.4895 } }, "covered_min": 280, "window_min": 280, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:27 on Sun 12 May to 09:50 on Mon 13 May.", "fact": "1918-05-12T08:01:31Z → 1918-05-13T06:24:44Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:24–09:03 on the 12th, 04:23–09:03 on the 13th.", "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 280 minutes on the 12th and 280 of 280 on the 13th.", "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 2804 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Mashhad, 1918: Monday 13 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-13", "confidence": "determinate" } ], "quote": "In Mashhad, Akṣaya Tṛtīyā 1918 falls on Monday 13 May. Tṛtīyā runs from 11:27 on Sun 12 May to 09:50 on Mon 13 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vinayaka-chaturthi?on=1918-05-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4158, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-05-13T09:50:44+03:26", "utc": "1918-05-13T06:24:44Z", "ms": -1629567316475.7427 }, "end": { "local": "1918-05-14T08:57:14+03:26", "utc": "1918-05-14T05:31:14Z", "ms": -1629484125897.3599 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-13T09:50:44+03:26", "utc": "1918-05-13T06:24:44Z", "ms": -1629567316475.7427 }, "end": { "local": "1918-05-14T08:57:14+03:26", "utc": "1918-05-14T05:31:14Z", "ms": -1629484125897.3599 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-05-13", "window": { "start": { "local": "1918-05-13T11:00:02+03:26", "utc": "1918-05-13T07:34:02Z", "ms": -1629563158084.1204 }, "end": { "local": "1918-05-13T11:48:02+03:26", "utc": "1918-05-13T08:22:02Z", "ms": -1629560278084.1204 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-05-14", "window": { "start": { "local": "1918-05-14T11:00:01+03:26", "utc": "1918-05-14T07:34:01Z", "ms": -1629476759051.1194 }, "end": { "local": "1918-05-14T11:48:01+03:26", "utc": "1918-05-14T08:22:01Z", "ms": -1629473879051.1194 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:50 on Mon 13 May to 08:56 on Tue 14 May.", "fact": "1918-05-13T06:24:44Z → 1918-05-14T05:31:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 13th, 10:59–11:47 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 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4158 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Monday 13 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": "1918-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-13", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Monday 13 May. Caturthī runs from 09:50 on Mon 13 May to 08:56 on Tue 14 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-05-13", "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/1918/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7367, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1918-05-14T08:57:14+03:26", "utc": "1918-05-14T05:31:14Z", "ms": -1629484125897.3599 }, "end": { "local": "1918-05-15T08:49:54+03:26", "utc": "1918-05-15T05:23:54Z", "ms": -1629398165646.1895 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-14T08:57:14+03:26", "utc": "1918-05-14T05:31:14Z", "ms": -1629484125897.3599 }, "end": { "local": "1918-05-15T08:49:54+03:26", "utc": "1918-05-15T05:23:54Z", "ms": -1629398165646.1895 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-05-14", "window": { "start": { "local": "1918-05-14T11:00:01+03:26", "utc": "1918-05-14T07:34:01Z", "ms": -1629476759051.1194 }, "end": { "local": "1918-05-14T11:48:01+03:26", "utc": "1918-05-14T08:22:01Z", "ms": -1629473879051.1194 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-05-15", "window": { "start": { "local": "1918-05-15T11:00:01+03:26", "utc": "1918-05-15T07:34:01Z", "ms": -1629390359469.4932 }, "end": { "local": "1918-05-15T11:48:01+03:26", "utc": "1918-05-15T08:22:01Z", "ms": -1629387479469.4932 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:56 on Tue 14 May to 08:49 on Wed 15 May.", "fact": "1918-05-14T05:31:14Z → 1918-05-15T05:23:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 14th, 10:59–11:47 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 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7367 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Mashhad, 1918: Tuesday 14 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-14", "confidence": "determinate" } ], "quote": "In Mashhad, Śaṅkara Jayantī 1918 falls on Tuesday 14 May. Pañcamī runs from 08:56 on Tue 14 May to 08:49 on Wed 15 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 764, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1918-05-16T09:28:06+03:26", "utc": "1918-05-16T06:02:06Z", "ms": -1629309474129.615 }, "end": { "local": "1918-05-17T10:47:17+03:26", "utc": "1918-05-17T07:21:17Z", "ms": -1629218322949.4988 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-16T09:28:06+03:26", "utc": "1918-05-16T06:02:06Z", "ms": -1629309474129.615 }, "end": { "local": "1918-05-17T10:47:17+03:26", "utc": "1918-05-17T07:21:17Z", "ms": -1629218322949.4988 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-05-16", "window": { "start": { "local": "1918-05-16T11:00:01+03:26", "utc": "1918-05-16T07:34:01Z", "ms": -1629303959343.357 }, "end": { "local": "1918-05-16T11:48:01+03:26", "utc": "1918-05-16T08:22:01Z", "ms": -1629301079343.357 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-05-17", "window": { "start": { "local": "1918-05-17T11:00:01+03:26", "utc": "1918-05-17T07:34:01Z", "ms": -1629217558676.7048 }, "end": { "local": "1918-05-17T11:48:01+03:26", "utc": "1918-05-17T08:22:01Z", "ms": -1629214678676.7048 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 09:27 on Thu 16 May to 10:46 on Fri 17 May.", "fact": "1918-05-16T06:02:06Z → 1918-05-17T07:21:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 16th, 10:59–11:47 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 764 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Mashhad, 1918: Thursday 16 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-16", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṅgotpatti (Ganga Saptami) 1918 falls on Thursday 16 May. Saptamī runs from 09:27 on Thu 16 May to 10:46 on Fri 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-05-21", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31180, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-05-20T17:16:19+03:26", "utc": "1918-05-20T13:50:19Z", "ms": -1628935781179.4978 }, "end": { "local": "1918-05-21T19:37:21+03:26", "utc": "1918-05-21T16:11:21Z", "ms": -1628840919462.5376 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-20T17:16:19+03:26", "utc": "1918-05-20T13:50:19Z", "ms": -1628935781179.4978 }, "end": { "local": "1918-05-21T19:37:21+03:26", "utc": "1918-05-21T16:11:21Z", "ms": -1628840919462.5376 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-05-21", "window": { "start": { "local": "1918-05-21T04:17:41+03:26", "utc": "1918-05-21T00:51:41Z", "ms": -1628896099216.6545 }, "end": { "local": "1918-05-21T04:17:41+03:26", "utc": "1918-05-21T00:51:41Z", "ms": -1628896099216.6545 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-05-22", "window": { "start": { "local": "1918-05-22T04:17:01+03:26", "utc": "1918-05-22T00:51:01Z", "ms": -1628809739043.8862 }, "end": { "local": "1918-05-22T04:17:01+03:26", "utc": "1918-05-22T00:51:01Z", "ms": -1628809739043.8862 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:15 on Mon 20 May to 19:36 on Tue 21 May.", "fact": "1918-05-20T13:50:19Z → 1918-05-21T16:11:21Z" }, { "step": "kaala", "text": "Sunrise is at 04:17 on the 21st and 04:16 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31180 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Mashhad, 1918: Tuesday 21 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": "1918-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-21", "confidence": "determinate" } ], "quote": "In Mashhad, Mohinī Ekādaśī 1918 falls on Tuesday 21 May. Ekādaśī runs from 17:15 on Mon 20 May to 19:36 on Tue 21 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-05-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28151, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1918-05-21T19:37:21+03:26", "utc": "1918-05-21T16:11:21Z", "ms": -1628840919462.5376 }, "end": { "local": "1918-05-22T21:46:06+03:26", "utc": "1918-05-22T18:20:06Z", "ms": -1628746793642.238 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-21T19:37:21+03:26", "utc": "1918-05-21T16:11:21Z", "ms": -1628840919462.5376 }, "end": { "local": "1918-05-22T21:46:06+03:26", "utc": "1918-05-22T18:20:06Z", "ms": -1628746793642.238 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-05-21", "window": { "start": { "local": "1918-05-21T11:00:09+03:26", "utc": "1918-05-21T07:34:09Z", "ms": -1628871950688.4463 }, "end": { "local": "1918-05-21T11:48:09+03:26", "utc": "1918-05-21T08:22:09Z", "ms": -1628869070688.4463 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-05-22", "window": { "start": { "local": "1918-05-22T11:00:13+03:26", "utc": "1918-05-22T07:34:13Z", "ms": -1628785547384.0254 }, "end": { "local": "1918-05-22T11:48:13+03:26", "utc": "1918-05-22T08:22:13Z", "ms": -1628782667384.0254 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:36 on Tue 21 May to 21:45 on Wed 22 May.", "fact": "1918-05-21T16:11:21Z → 1918-05-22T18:20:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 21st, 10:59–11:47 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 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28151 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Mashhad, 1918: Wednesday 22 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-22", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Dvādaśī 1918 falls on Wednesday 22 May. Dvādaśī runs from 19:36 on Tue 21 May to 21:45 on Wed 22 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28151, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1918-05-21T19:37:21+03:26", "utc": "1918-05-21T16:11:21Z", "ms": -1628840919462.5376 }, "end": { "local": "1918-05-22T21:46:06+03:26", "utc": "1918-05-22T18:20:06Z", "ms": -1628746793642.238 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-21T19:37:21+03:26", "utc": "1918-05-21T16:11:21Z", "ms": -1628840919462.5376 }, "end": { "local": "1918-05-22T21:46:06+03:26", "utc": "1918-05-22T18:20:06Z", "ms": -1628746793642.238 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-05-21", "window": { "start": { "local": "1918-05-21T11:00:09+03:26", "utc": "1918-05-21T07:34:09Z", "ms": -1628871950688.4463 }, "end": { "local": "1918-05-21T11:48:09+03:26", "utc": "1918-05-21T08:22:09Z", "ms": -1628869070688.4463 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-05-22", "window": { "start": { "local": "1918-05-22T11:00:13+03:26", "utc": "1918-05-22T07:34:13Z", "ms": -1628785547384.0254 }, "end": { "local": "1918-05-22T11:48:13+03:26", "utc": "1918-05-22T08:22:13Z", "ms": -1628782667384.0254 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:36 on Tue 21 May to 21:45 on Wed 22 May.", "fact": "1918-05-21T16:11:21Z → 1918-05-22T18:20:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 21st, 10:59–11:47 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 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28151 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Mashhad, 1918: Wednesday 22 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-22", "confidence": "determinate" } ], "quote": "In Mashhad, Rukmiṇī Dvādaśī 1918 falls on Wednesday 22 May. Dvādaśī runs from 19:36 on Tue 21 May to 21:45 on Wed 22 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/pradosha-vrata?on=1918-05-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7002, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-05-22T21:46:06+03:26", "utc": "1918-05-22T18:20:06Z", "ms": -1628746793642.238 }, "end": { "local": "1918-05-23T23:35:13+03:26", "utc": "1918-05-23T20:09:13Z", "ms": -1628653846595.6345 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-22T21:46:06+03:26", "utc": "1918-05-22T18:20:06Z", "ms": -1628746793642.238 }, "end": { "local": "1918-05-23T23:35:13+03:26", "utc": "1918-05-23T20:09:13Z", "ms": -1628653846595.6345 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-05-22", "window": { "start": { "local": "1918-05-22T18:31:24+03:26", "utc": "1918-05-22T15:05:24Z", "ms": -1628758475724.1648 }, "end": { "local": "1918-05-22T19:49:24+03:26", "utc": "1918-05-22T16:23:24Z", "ms": -1628753795933.5654 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1918-05-23", "window": { "start": { "local": "1918-05-23T18:32:10+03:26", "utc": "1918-05-23T15:06:10Z", "ms": -1628672029839.3413 }, "end": { "local": "1918-05-23T19:49:59+03:26", "utc": "1918-05-23T16:23:59Z", "ms": -1628667361054.1323 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:45 on Wed 22 May to 23:34 on Thu 23 May.", "fact": "1918-05-22T18:20:06Z → 1918-05-23T20:09:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–19:48 on the 22nd, 18:31–19:49 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 22nd and 78 of 78 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7002 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Thursday 23 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": "1918-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-23", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Thursday 23 May. Trayodaśī runs from 21:45 on Wed 22 May to 23:34 on Thu 23 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-05-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13514, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-05-23T23:35:13+03:26", "utc": "1918-05-23T20:09:13Z", "ms": -1628653846595.6345 }, "end": { "local": "1918-05-25T01:00:02+03:26", "utc": "1918-05-24T21:34:02Z", "ms": -1628562358383.8757 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-23T23:35:13+03:26", "utc": "1918-05-23T20:09:13Z", "ms": -1628653846595.6345 }, "end": { "local": "1918-05-25T01:00:02+03:26", "utc": "1918-05-24T21:34:02Z", "ms": -1628562358383.8757 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-05-23", "window": { "start": { "local": "1918-05-23T18:32:10+03:26", "utc": "1918-05-23T15:06:10Z", "ms": -1628672029839.3413 }, "end": { "local": "1918-05-23T19:49:59+03:26", "utc": "1918-05-23T16:23:59Z", "ms": -1628667361054.1323 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1918-05-24", "window": { "start": { "local": "1918-05-24T18:32:55+03:26", "utc": "1918-05-24T15:06:55Z", "ms": -1628585584536.0503 }, "end": { "local": "1918-05-24T19:50:34+03:26", "utc": "1918-05-24T16:24:34Z", "ms": -1628580926463.5732 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:34 on Thu 23 May to 00:59 on Sat 25 May.", "fact": "1918-05-23T20:09:13Z → 1918-05-24T21:34:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–19:49 on the 23rd, 18:32–19:50 on the 24th.", "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 78 minutes on the 23rd and 78 of 78 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13514 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Mashhad, 1918: Friday 24 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-24", "confidence": "determinate" } ], "quote": "In Mashhad, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1918 falls on Friday 24 May. Caturdaśī runs from 23:34 on Thu 23 May to 00:59 on Sat 25 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32541, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-05-25T01:00:02+03:26", "utc": "1918-05-24T21:34:02Z", "ms": -1628562358383.8757 }, "end": { "local": "1918-05-26T01:58:10+03:26", "utc": "1918-05-25T22:32:10Z", "ms": -1628472469793.1743 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-25T01:00:02+03:26", "utc": "1918-05-24T21:34:02Z", "ms": -1628562358383.8757 }, "end": { "local": "1918-05-26T01:58:10+03:26", "utc": "1918-05-25T22:32:10Z", "ms": -1628472469793.1743 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-05-25", "window": { "start": { "local": "1918-05-25T11:00:26+03:26", "utc": "1918-05-25T07:34:26Z", "ms": -1628526334418.649 }, "end": { "local": "1918-05-25T11:48:26+03:26", "utc": "1918-05-25T08:22:26Z", "ms": -1628523454418.649 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-05-26", "window": { "start": { "local": "1918-05-26T11:00:31+03:26", "utc": "1918-05-26T07:34:31Z", "ms": -1628439929100.0496 }, "end": { "local": "1918-05-26T11:48:31+03:26", "utc": "1918-05-26T08:22:31Z", "ms": -1628437049100.0496 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:59 on Sat 25 May to 01:57 on Sun 26 May.", "fact": "1918-05-24T21:34:02Z → 1918-05-25T22:32:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 25th, 11:00–11:48 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 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: unstated → only-day · margin 32541 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Mashhad, 1918: Saturday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-25", "confidence": "determinate" } ], "quote": "In Mashhad, Buddha Pūrṇimā 1918 falls on Saturday 25 May. Pūrṇimā runs from 00:59 on Sat 25 May to 01:57 on Sun 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32541, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-05-25T01:00:02+03:26", "utc": "1918-05-24T21:34:02Z", "ms": -1628562358383.8757 }, "end": { "local": "1918-05-26T01:58:10+03:26", "utc": "1918-05-25T22:32:10Z", "ms": -1628472469793.1743 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-25T01:00:02+03:26", "utc": "1918-05-24T21:34:02Z", "ms": -1628562358383.8757 }, "end": { "local": "1918-05-26T01:58:10+03:26", "utc": "1918-05-25T22:32:10Z", "ms": -1628472469793.1743 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-05-25", "window": { "start": { "local": "1918-05-25T11:00:26+03:26", "utc": "1918-05-25T07:34:26Z", "ms": -1628526334418.649 }, "end": { "local": "1918-05-25T11:48:26+03:26", "utc": "1918-05-25T08:22:26Z", "ms": -1628523454418.649 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-05-26", "window": { "start": { "local": "1918-05-26T11:00:31+03:26", "utc": "1918-05-26T07:34:31Z", "ms": -1628439929100.0496 }, "end": { "local": "1918-05-26T11:48:31+03:26", "utc": "1918-05-26T08:22:31Z", "ms": -1628437049100.0496 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:59 on Sat 25 May to 01:57 on Sun 26 May.", "fact": "1918-05-24T21:34:02Z → 1918-05-25T22:32:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 25th, 11:00–11:48 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 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 32541 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Mashhad, 1918: Saturday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-25", "confidence": "determinate" } ], "quote": "In Mashhad, Sampat Gaurī Vrata 1918 falls on Saturday 25 May. Pūrṇimā runs from 00:59 on Sat 25 May to 01:57 on Sun 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-05-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13342, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-05-29T02:10:49+03:26", "utc": "1918-05-28T22:44:49Z", "ms": -1628212510750.3267 }, "end": { "local": "1918-05-30T01:23:56+03:26", "utc": "1918-05-29T21:57:56Z", "ms": -1628128924140.045 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-05-29T02:10:49+03:26", "utc": "1918-05-28T22:44:49Z", "ms": -1628212510750.3267 }, "end": { "local": "1918-05-30T01:23:56+03:26", "utc": "1918-05-29T21:57:56Z", "ms": -1628128924140.045 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-05-28", "window": { "start": { "local": "1918-05-28T20:57:57+03:26", "utc": "1918-05-28T17:31:57Z", "ms": -1628231282651.3508 }, "end": { "local": "1918-05-28T20:57:57+03:26", "utc": "1918-05-28T17:31:57Z", "ms": -1628231282651.3508 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-05-29", "window": { "start": { "local": "1918-05-29T21:41:34+03:26", "utc": "1918-05-29T18:15:34Z", "ms": -1628142266249.1272 }, "end": { "local": "1918-05-29T21:41:34+03:26", "utc": "1918-05-29T18:15:34Z", "ms": -1628142266249.1272 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:10 on Wed 29 May to 01:23 on Thu 30 May.", "fact": "1918-05-28T22:44:49Z → 1918-05-29T21:57:56Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 28th and 21:41 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13342 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Wednesday 29 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": "1918-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-05-29", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Wednesday 29 May. Caturthī runs from 02:10 on Wed 29 May to 01:23 on Thu 30 May and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-05-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/ekadashi?on=1918-06-05", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24525, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-06-04T13:39:29+03:26", "utc": "1918-06-04T10:13:29Z", "ms": -1627652790954.8445 }, "end": { "local": "1918-06-05T10:59:21+03:26", "utc": "1918-06-05T07:33:21Z", "ms": -1627575998720.2073 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-04T13:39:29+03:26", "utc": "1918-06-04T10:13:29Z", "ms": -1627652790954.8445 }, "end": { "local": "1918-06-05T10:59:21+03:26", "utc": "1918-06-05T07:33:21Z", "ms": -1627575998720.2073 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-06-04", "window": { "start": { "local": "1918-06-04T04:10:53+03:26", "utc": "1918-06-04T00:44:53Z", "ms": -1627686907169.8005 }, "end": { "local": "1918-06-04T04:10:53+03:26", "utc": "1918-06-04T00:44:53Z", "ms": -1627686907169.8005 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-06-05", "window": { "start": { "local": "1918-06-05T04:10:36+03:26", "utc": "1918-06-05T00:44:36Z", "ms": -1627600523501.924 }, "end": { "local": "1918-06-05T04:10:36+03:26", "utc": "1918-06-05T00:44:36Z", "ms": -1627600523501.924 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:38 on Tue 4 Jun to 10:58 on Wed 5 Jun.", "fact": "1918-06-04T10:13:29Z → 1918-06-05T07:33:21Z" }, { "step": "kaala", "text": "Sunrise is at 04:10 on the 4th and 04:10 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 24525 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Mashhad, 1918: Wednesday 5 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": "1918-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-05", "confidence": "determinate" } ], "quote": "In Mashhad, Aparā Ekādaśī 1918 falls on Wednesday 5 June. Ekādaśī runs from 13:38 on Tue 4 Jun to 10:58 on Wed 5 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-06-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35352, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-06-06T08:19:36+03:26", "utc": "1918-06-06T04:53:36Z", "ms": -1627499183850.801 }, "end": { "local": "1918-06-07T05:46:37+03:26", "utc": "1918-06-07T02:20:37Z", "ms": -1627421962555.2444 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-06T08:19:36+03:26", "utc": "1918-06-06T04:53:36Z", "ms": -1627499183850.801 }, "end": { "local": "1918-06-07T05:46:37+03:26", "utc": "1918-06-07T02:20:37Z", "ms": -1627421962555.2444 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-06-05", "window": { "start": { "local": "1918-06-05T18:41:02+03:26", "utc": "1918-06-05T15:15:02Z", "ms": -1627548297960.115 }, "end": { "local": "1918-06-05T19:56:57+03:26", "utc": "1918-06-05T16:30:57Z", "ms": -1627543743310.6885 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1918-06-06", "window": { "start": { "local": "1918-06-06T18:41:37+03:26", "utc": "1918-06-06T15:15:37Z", "ms": -1627461863233.7646 }, "end": { "local": "1918-06-06T19:57:25+03:26", "utc": "1918-06-06T16:31:25Z", "ms": -1627457314927.4517 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:19 on Thu 6 Jun to 05:46 on Fri 7 Jun.", "fact": "1918-06-06T04:53:36Z → 1918-06-07T02:20:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–19:56 on the 5th, 18:41–19:56 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 76 minutes on the 5th and 76 of 76 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35352 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Thursday 6 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": "1918-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-06", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Thursday 6 June. Trayodaśī runs from 08:19 on Thu 6 Jun to 05:46 on Fri 7 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-06-06", "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/1918/shivaratri?on=1918-06-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13031, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-06-07T05:46:37+03:26", "utc": "1918-06-07T02:20:37Z", "ms": -1627421962555.2444 }, "end": { "local": "1918-06-08T03:27:15+03:26", "utc": "1918-06-08T00:01:15Z", "ms": -1627343925202.7188 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-07T05:46:37+03:26", "utc": "1918-06-07T02:20:37Z", "ms": -1627421962555.2444 }, "end": { "local": "1918-06-08T03:27:15+03:26", "utc": "1918-06-08T00:01:15Z", "ms": -1627343925202.7188 } }, "kaala": "nishita", "days": [ { "local_date": "1918-06-06", "window": { "start": { "local": "1918-06-06T23:01:53+03:26", "utc": "1918-06-06T19:35:53Z", "ms": -1627446247085.0908 }, "end": { "local": "1918-06-06T23:49:53+03:26", "utc": "1918-06-06T20:23:53Z", "ms": -1627443367085.0908 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-06-07", "window": { "start": { "local": "1918-06-07T23:02:04+03:26", "utc": "1918-06-07T19:36:04Z", "ms": -1627359835816.3677 }, "end": { "local": "1918-06-07T23:50:04+03:26", "utc": "1918-06-07T20:24:04Z", "ms": -1627356955816.3677 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:46 on Fri 7 Jun to 03:26 on Sat 8 Jun.", "fact": "1918-06-07T02:20:37Z → 1918-06-08T00:01:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:01–23:49 on the 6th, 23:01–23:49 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 48 of 48 on the 7th.", "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 13031 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Friday 7 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": "1918-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-07", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Friday 7 June. Caturdaśī runs from 05:46 on Fri 7 Jun to 03:26 on Sat 8 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-06-07", "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/1918/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38814, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1918-06-10T22:58:30+03:26", "utc": "1918-06-10T19:32:30Z", "ms": -1627100849874.6316 }, "end": { "local": "1918-06-11T22:37:48+03:26", "utc": "1918-06-11T19:11:48Z", "ms": -1627015691851.0593 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-10T22:58:30+03:26", "utc": "1918-06-10T19:32:30Z", "ms": -1627100849874.6316 }, "end": { "local": "1918-06-11T22:37:48+03:26", "utc": "1918-06-11T19:11:48Z", "ms": -1627015691851.0593 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-06-10", "window": { "start": { "local": "1918-06-10T11:02:43+03:26", "utc": "1918-06-10T07:36:43Z", "ms": -1627143797305.5903 }, "end": { "local": "1918-06-10T11:50:43+03:26", "utc": "1918-06-10T08:24:43Z", "ms": -1627140917305.5903 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-06-11", "window": { "start": { "local": "1918-06-11T11:02:54+03:26", "utc": "1918-06-11T07:36:54Z", "ms": -1627057385822.4448 }, "end": { "local": "1918-06-11T11:50:54+03:26", "utc": "1918-06-11T08:24:54Z", "ms": -1627054505822.4448 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:58 on Mon 10 Jun to 22:37 on Tue 11 Jun.", "fact": "1918-06-10T19:32:30Z → 1918-06-11T19:11:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 10th, 11:02–11:50 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 38814 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Mashhad, 1918: Tuesday 11 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": "1918-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-11", "confidence": "determinate" } ], "quote": "In Mashhad, Rambhā Tṛtīyā 1918 falls on Tuesday 11 June. Tṛtīyā runs from 22:58 on Mon 10 Jun to 22:37 on Tue 11 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vinayaka-chaturthi?on=1918-06-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38814, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-06-11T22:37:48+03:26", "utc": "1918-06-11T19:11:48Z", "ms": -1627015691851.0593 }, "end": { "local": "1918-06-12T22:57:04+03:26", "utc": "1918-06-12T19:31:04Z", "ms": -1626928135805.9075 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-11T22:37:48+03:26", "utc": "1918-06-11T19:11:48Z", "ms": -1627015691851.0593 }, "end": { "local": "1918-06-12T22:57:04+03:26", "utc": "1918-06-12T19:31:04Z", "ms": -1626928135805.9075 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-06-11", "window": { "start": { "local": "1918-06-11T11:02:54+03:26", "utc": "1918-06-11T07:36:54Z", "ms": -1627057385822.4448 }, "end": { "local": "1918-06-11T11:50:54+03:26", "utc": "1918-06-11T08:24:54Z", "ms": -1627054505822.4448 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-06-12", "window": { "start": { "local": "1918-06-12T11:03:06+03:26", "utc": "1918-06-12T07:37:06Z", "ms": -1626970974132.0908 }, "end": { "local": "1918-06-12T11:51:06+03:26", "utc": "1918-06-12T08:25:06Z", "ms": -1626968094132.0908 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:37 on Tue 11 Jun to 22:56 on Wed 12 Jun.", "fact": "1918-06-11T19:11:48Z → 1918-06-12T19:31:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 11th, 11:02–11:50 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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38814 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Wednesday 12 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": "1918-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-12", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Wednesday 12 June. Caturthī runs from 22:37 on Tue 11 Jun to 22:56 on Wed 12 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-06-12", "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/1918/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34468, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1918-06-13T23:55:38+03:26", "utc": "1918-06-13T20:29:38Z", "ms": -1626838222451.0894 }, "end": { "local": "1918-06-15T01:29:14+03:26", "utc": "1918-06-14T22:03:14Z", "ms": -1626746205867.2566 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-13T23:55:38+03:26", "utc": "1918-06-13T20:29:38Z", "ms": -1626838222451.0894 }, "end": { "local": "1918-06-15T01:29:14+03:26", "utc": "1918-06-14T22:03:14Z", "ms": -1626746205867.2566 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-06-14", "window": { "start": { "local": "1918-06-14T11:03:30+03:26", "utc": "1918-06-14T07:37:30Z", "ms": -1626798150227.1904 }, "end": { "local": "1918-06-14T11:51:30+03:26", "utc": "1918-06-14T08:25:30Z", "ms": -1626795270227.1904 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-06-15", "window": { "start": { "local": "1918-06-15T11:03:42+03:26", "utc": "1918-06-15T07:37:42Z", "ms": -1626711738060.0652 }, "end": { "local": "1918-06-15T11:51:42+03:26", "utc": "1918-06-15T08:25:42Z", "ms": -1626708858060.0652 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:55 on Thu 13 Jun to 01:28 on Sat 15 Jun.", "fact": "1918-06-13T20:29:38Z → 1918-06-14T22:03:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 14th, 11:03–11:51 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34468 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Mashhad, 1918: Friday 14 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": "1918-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-14", "confidence": "determinate" } ], "quote": "In Mashhad, Araṇya Gaurī Vrata 1918 falls on Friday 14 June. Ṣaṣṭhī runs from 23:55 on Thu 13 Jun to 01:28 on Sat 15 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34468, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1918-06-13T23:55:38+03:26", "utc": "1918-06-13T20:29:38Z", "ms": -1626838222451.0894 }, "end": { "local": "1918-06-15T01:29:14+03:26", "utc": "1918-06-14T22:03:14Z", "ms": -1626746205867.2566 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-13T23:55:38+03:26", "utc": "1918-06-13T20:29:38Z", "ms": -1626838222451.0894 }, "end": { "local": "1918-06-15T01:29:14+03:26", "utc": "1918-06-14T22:03:14Z", "ms": -1626746205867.2566 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-06-14", "window": { "start": { "local": "1918-06-14T11:03:30+03:26", "utc": "1918-06-14T07:37:30Z", "ms": -1626798150227.1904 }, "end": { "local": "1918-06-14T11:51:30+03:26", "utc": "1918-06-14T08:25:30Z", "ms": -1626795270227.1904 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-06-15", "window": { "start": { "local": "1918-06-15T11:03:42+03:26", "utc": "1918-06-15T07:37:42Z", "ms": -1626711738060.0652 }, "end": { "local": "1918-06-15T11:51:42+03:26", "utc": "1918-06-15T08:25:42Z", "ms": -1626708858060.0652 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:55 on Thu 13 Jun to 01:28 on Sat 15 Jun.", "fact": "1918-06-13T20:29:38Z → 1918-06-14T22:03:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 14th, 11:03–11:51 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34468 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Mashhad, 1918: Friday 14 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": "1918-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-14", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1918 falls on Friday 14 June. Ṣaṣṭhī runs from 23:55 on Thu 13 Jun to 01:28 on Sat 15 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-06-20", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22074, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-06-19T10:17:41+03:26", "utc": "1918-06-19T06:51:41Z", "ms": -1626368898888.4194 }, "end": { "local": "1918-06-20T12:07:34+03:26", "utc": "1918-06-20T08:41:34Z", "ms": -1626275906162.57 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-19T10:17:41+03:26", "utc": "1918-06-19T06:51:41Z", "ms": -1626368898888.4194 }, "end": { "local": "1918-06-20T12:07:34+03:26", "utc": "1918-06-20T08:41:34Z", "ms": -1626275906162.57 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-06-19", "window": { "start": { "local": "1918-06-19T04:09:47+03:26", "utc": "1918-06-19T00:43:47Z", "ms": -1626390972985.1638 }, "end": { "local": "1918-06-19T04:09:47+03:26", "utc": "1918-06-19T00:43:47Z", "ms": -1626390972985.1638 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-06-20", "window": { "start": { "local": "1918-06-20T04:09:56+03:26", "utc": "1918-06-20T00:43:56Z", "ms": -1626304564220.1313 }, "end": { "local": "1918-06-20T04:09:56+03:26", "utc": "1918-06-20T00:43:56Z", "ms": -1626304564220.1313 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:17 on Wed 19 Jun to 12:07 on Thu 20 Jun.", "fact": "1918-06-19T06:51:41Z → 1918-06-20T08:41:34Z" }, { "step": "kaala", "text": "Sunrise is at 04:09 on the 19th and 04:09 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 22074 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Mashhad, 1918: Thursday 20 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": "1918-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-20", "confidence": "determinate" } ], "quote": "In Mashhad, Nirjalā Ekādaśī 1918 falls on Thursday 20 June. Ekādaśī runs from 10:17 on Wed 19 Jun to 12:07 on Thu 20 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-06-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 890, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1918-06-20T12:07:34+03:26", "utc": "1918-06-20T08:41:34Z", "ms": -1626275906162.57 }, "end": { "local": "1918-06-21T13:28:24+03:26", "utc": "1918-06-21T10:02:24Z", "ms": -1626184655614.0344 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-20T12:07:34+03:26", "utc": "1918-06-20T08:41:34Z", "ms": -1626275906162.57 }, "end": { "local": "1918-06-21T13:28:24+03:26", "utc": "1918-06-21T10:02:24Z", "ms": -1626184655614.0344 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-06-20", "window": { "start": { "local": "1918-06-20T11:04:44+03:26", "utc": "1918-06-20T07:38:44Z", "ms": -1626279675989.6716 }, "end": { "local": "1918-06-20T11:52:44+03:26", "utc": "1918-06-20T08:26:44Z", "ms": -1626276795989.6716 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-06-21", "window": { "start": { "local": "1918-06-21T11:04:57+03:26", "utc": "1918-06-21T07:38:57Z", "ms": -1626193263482.5103 }, "end": { "local": "1918-06-21T11:52:57+03:26", "utc": "1918-06-21T08:26:57Z", "ms": -1626190383482.5103 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:07 on Thu 20 Jun to 13:27 on Fri 21 Jun.", "fact": "1918-06-20T08:41:34Z → 1918-06-21T10:02:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 20th, 11:04–11:52 on the 21st.", "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 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: purvaviddha → only-day · margin 890 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Mashhad, 1918: Friday 21 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": "1918-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-20", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Rāma Dvādaśī 1918 falls on Friday 21 June. Dvādaśī runs from 12:07 on Thu 20 Jun to 13:27 on Fri 21 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/pradosha-vrata?on=1918-06-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16359, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-06-21T13:28:24+03:26", "utc": "1918-06-21T10:02:24Z", "ms": -1626184655614.0344 }, "end": { "local": "1918-06-22T14:15:21+03:26", "utc": "1918-06-22T10:49:21Z", "ms": -1626095439083.9976 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-21T13:28:24+03:26", "utc": "1918-06-21T10:02:24Z", "ms": -1626184655614.0344 }, "end": { "local": "1918-06-22T14:15:21+03:26", "utc": "1918-06-22T10:49:21Z", "ms": -1626095439083.9976 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-06-21", "window": { "start": { "local": "1918-06-21T18:47:47+03:26", "utc": "1918-06-21T15:21:47Z", "ms": -1626165493063.199 }, "end": { "local": "1918-06-21T20:02:47+03:26", "utc": "1918-06-21T16:36:47Z", "ms": -1626160992928.1235 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "1918-06-22", "window": { "start": { "local": "1918-06-22T18:48:00+03:26", "utc": "1918-06-22T15:22:00Z", "ms": -1626079079937.184 }, "end": { "local": "1918-06-22T20:03:00+03:26", "utc": "1918-06-22T16:37:00Z", "ms": -1626074579770.3074 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:27 on Fri 21 Jun to 14:14 on Sat 22 Jun.", "fact": "1918-06-21T10:02:24Z → 1918-06-22T10:49:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:02 on the 21st, 18:47–20:02 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 75 of 75 minutes on the 21st and 0 of 75 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 16359 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Friday 21 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": "1918-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-21", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Friday 21 June. Trayodaśī runs from 13:27 on Fri 21 Jun to 14:14 on Sat 22 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-06-21", "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/1918/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15683, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-06-23T14:26:48+03:26", "utc": "1918-06-23T11:00:48Z", "ms": -1626008351512.3208 }, "end": { "local": "1918-06-24T14:03:55+03:26", "utc": "1918-06-24T10:37:55Z", "ms": -1625923324632.3293 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-23T14:26:48+03:26", "utc": "1918-06-23T11:00:48Z", "ms": -1626008351512.3208 }, "end": { "local": "1918-06-24T14:03:55+03:26", "utc": "1918-06-24T10:37:55Z", "ms": -1625923324632.3293 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-06-23", "window": { "start": { "local": "1918-06-23T18:48:12+03:26", "utc": "1918-06-23T15:22:12Z", "ms": -1625992668400.9268 }, "end": { "local": "1918-06-23T20:03:12+03:26", "utc": "1918-06-23T16:37:12Z", "ms": -1625988167791.3801 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "1918-06-24", "window": { "start": { "local": "1918-06-24T18:48:22+03:26", "utc": "1918-06-24T15:22:22Z", "ms": -1625906258472.6018 }, "end": { "local": "1918-06-24T20:03:23+03:26", "utc": "1918-06-24T16:37:23Z", "ms": -1625901757009.9656 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:26 on Sun 23 Jun to 14:03 on Mon 24 Jun.", "fact": "1918-06-23T11:00:48Z → 1918-06-24T10:37:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:02 on the 23rd, 18:47–20:02 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 75 of 75 minutes on the 23rd and 0 of 75 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15683 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Mashhad, 1918: Sunday 23 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": "1918-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-23", "confidence": "determinate" } ], "quote": "In Mashhad, Vaṭa Sāvitrī Vrata 1918 falls on Sunday 23 June. Pūrṇimā runs from 14:26 on Sun 23 Jun to 14:03 on Mon 24 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-06-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39083, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-06-27T10:06:11+03:26", "utc": "1918-06-27T06:40:11Z", "ms": -1625678388639.2334 }, "end": { "local": "1918-06-28T08:06:56+03:26", "utc": "1918-06-28T04:40:56Z", "ms": -1625599143617.0625 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-06-27T10:06:11+03:26", "utc": "1918-06-27T06:40:11Z", "ms": -1625678388639.2334 }, "end": { "local": "1918-06-28T08:06:56+03:26", "utc": "1918-06-28T04:40:56Z", "ms": -1625599143617.0625 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-06-27", "window": { "start": { "local": "1918-06-27T20:57:34+03:26", "utc": "1918-06-27T17:31:34Z", "ms": -1625639305920.233 }, "end": { "local": "1918-06-27T20:57:34+03:26", "utc": "1918-06-27T17:31:34Z", "ms": -1625639305920.233 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-06-28", "window": { "start": { "local": "1918-06-28T21:31:46+03:26", "utc": "1918-06-28T18:05:46Z", "ms": -1625550853903.6445 }, "end": { "local": "1918-06-28T21:31:46+03:26", "utc": "1918-06-28T18:05:46Z", "ms": -1625550853903.6445 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:05 on Thu 27 Jun to 08:06 on Fri 28 Jun.", "fact": "1918-06-27T06:40:11Z → 1918-06-28T04:40:56Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 27th and 21:31 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39083 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Thursday 27 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": "1918-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-06-27", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Thursday 27 June. Caturthī runs from 10:05 on Thu 27 Jun to 08:06 on Fri 28 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-06-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/ekadashi?on=1918-07-04", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34610, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-07-03T18:37:42+03:26", "utc": "1918-07-03T15:11:42Z", "ms": -1625129298248.7922 }, "end": { "local": "1918-07-04T16:41:06+03:26", "utc": "1918-07-04T13:15:06Z", "ms": -1625049894224.913 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-03T18:37:42+03:26", "utc": "1918-07-03T15:11:42Z", "ms": -1625129298248.7922 }, "end": { "local": "1918-07-04T16:41:06+03:26", "utc": "1918-07-04T13:15:06Z", "ms": -1625049894224.913 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-07-04", "window": { "start": { "local": "1918-07-04T04:14:32+03:26", "utc": "1918-07-04T00:48:32Z", "ms": -1625094688402.2288 }, "end": { "local": "1918-07-04T04:14:32+03:26", "utc": "1918-07-04T00:48:32Z", "ms": -1625094688402.2288 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-07-05", "window": { "start": { "local": "1918-07-05T04:15:01+03:26", "utc": "1918-07-05T00:49:01Z", "ms": -1625008258800.6133 }, "end": { "local": "1918-07-05T04:15:01+03:26", "utc": "1918-07-05T00:49:01Z", "ms": -1625008258800.6133 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:37 on Wed 3 Jul to 16:40 on Thu 4 Jul.", "fact": "1918-07-03T15:11:42Z → 1918-07-04T13:15:06Z" }, { "step": "kaala", "text": "Sunrise is at 04:14 on the 4th and 04:14 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 34610 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Mashhad, 1918: Thursday 4 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-04", "confidence": "determinate" } ], "quote": "In Mashhad, Yoginī Ekādaśī 1918 falls on Thursday 4 July. Ekādaśī runs from 18:37 on Wed 3 Jul to 16:40 on Thu 4 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-07-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-07-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13807, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-07-05T14:58:13+03:26", "utc": "1918-07-05T11:32:13Z", "ms": -1624969666687.5352 }, "end": { "local": "1918-07-06T13:32:32+03:26", "utc": "1918-07-06T10:06:32Z", "ms": -1624888408251.776 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-05T14:58:13+03:26", "utc": "1918-07-05T11:32:13Z", "ms": -1624969666687.5352 }, "end": { "local": "1918-07-06T13:32:32+03:26", "utc": "1918-07-06T10:06:32Z", "ms": -1624888408251.776 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-07-05", "window": { "start": { "local": "1918-07-05T18:48:21+03:26", "utc": "1918-07-05T15:22:21Z", "ms": -1624955859410.4146 }, "end": { "local": "1918-07-05T20:03:58+03:26", "utc": "1918-07-05T16:37:58Z", "ms": -1624951321896.685 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1918-07-06", "window": { "start": { "local": "1918-07-06T18:48:10+03:26", "utc": "1918-07-06T15:22:10Z", "ms": -1624869469792.963 }, "end": { "local": "1918-07-06T20:03:53+03:26", "utc": "1918-07-06T16:37:53Z", "ms": -1624864926649.129 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:57 on Fri 5 Jul to 13:32 on Sat 6 Jul.", "fact": "1918-07-05T11:32:13Z → 1918-07-06T10:06:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:03 on the 5th, 18:47–20:03 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 76 of 76 minutes on the 5th and 0 of 76 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13807 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Friday 5 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-05", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Friday 5 July. Trayodaśī runs from 14:57 on Fri 5 Jul to 13:32 on Sat 6 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/shivaratri?on=1918-07-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34535, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-07-06T13:32:32+03:26", "utc": "1918-07-06T10:06:32Z", "ms": -1624888408251.776 }, "end": { "local": "1918-07-07T12:27:45+03:26", "utc": "1918-07-07T09:01:45Z", "ms": -1624805894665.9854 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-06T13:32:32+03:26", "utc": "1918-07-06T10:06:32Z", "ms": -1624888408251.776 }, "end": { "local": "1918-07-07T12:27:45+03:26", "utc": "1918-07-07T09:01:45Z", "ms": -1624805894665.9854 } }, "kaala": "nishita", "days": [ { "local_date": "1918-07-06", "window": { "start": { "local": "1918-07-06T23:08:07+03:26", "utc": "1918-07-06T19:42:07Z", "ms": -1624853873003.586 }, "end": { "local": "1918-07-06T23:56:07+03:26", "utc": "1918-07-06T20:30:07Z", "ms": -1624850993003.586 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-07-07", "window": { "start": { "local": "1918-07-07T23:08:17+03:26", "utc": "1918-07-07T19:42:17Z", "ms": -1624767462620.3618 }, "end": { "local": "1918-07-07T23:56:17+03:26", "utc": "1918-07-07T20:30:17Z", "ms": -1624764582620.3618 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:32 on Sat 6 Jul to 12:27 on Sun 7 Jul.", "fact": "1918-07-06T10:06:32Z → 1918-07-07T09:01:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:07–23:55 on the 6th, 23:07–23:55 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 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34535 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Saturday 6 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": "1918-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-06", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Saturday 6 July. Caturdaśī runs from 13:32 on Sat 6 Jul to 12:27 on Sun 7 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-07-06", "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/1918/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-10", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 22, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1918-07-09T11:36:15+03:26", "utc": "1918-07-09T08:10:15Z", "ms": -1624636184699.0835 }, "end": { "local": "1918-07-10T11:56:07+03:26", "utc": "1918-07-10T08:30:07Z", "ms": -1624548593219.6714 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-09T11:36:15+03:26", "utc": "1918-07-09T08:10:15Z", "ms": -1624636184699.0835 }, "end": { "local": "1918-07-10T11:56:07+03:26", "utc": "1918-07-10T08:30:07Z", "ms": -1624548593219.6714 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-07-09", "window": { "start": { "local": "1918-07-09T11:08:20+03:26", "utc": "1918-07-09T07:42:20Z", "ms": -1624637860434.9539 }, "end": { "local": "1918-07-09T11:56:20+03:26", "utc": "1918-07-09T08:30:20Z", "ms": -1624634980434.9539 } }, "covered_min": 20, "window_min": 48, "qualifies": true }, { "local_date": "1918-07-10", "window": { "start": { "local": "1918-07-10T11:08:28+03:26", "utc": "1918-07-10T07:42:28Z", "ms": -1624551451698.3142 }, "end": { "local": "1918-07-10T11:56:28+03:26", "utc": "1918-07-10T08:30:28Z", "ms": -1624548571698.3142 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 11:35 on Tue 9 Jul to 11:55 on Wed 10 Jul.", "fact": "1918-07-09T08:10:15Z → 1918-07-10T08:30:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 9th, 11:07–11:55 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 20 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 22 s < 300 s" }, { "step": "ruling", "text": "Rathayātrā, Mashhad, 1918: Wednesday 10 July.", "fact": "confidence: boundary (margin)" } ], "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": "1918-07-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-10", "confidence": "determinate" } ], "quote": "In Mashhad, Rathayātrā 1918 falls on Wednesday 10 July. Dvitīyā runs from 11:35 on Tue 9 Jul to 11:55 on Wed 10 Jul and covers all of madhyāhna that midday. It also reaches the previous midday for 20 minutes; by the rule the second midday is taken. It is 0 min 22 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vinayaka-chaturthi?on=1918-07-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3129, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-07-11T12:48:46+03:26", "utc": "1918-07-11T09:22:46Z", "ms": -1624459034100.6277 }, "end": { "local": "1918-07-12T14:13:17+03:26", "utc": "1918-07-12T10:47:17Z", "ms": -1624367563377.692 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-11T12:48:46+03:26", "utc": "1918-07-11T09:22:46Z", "ms": -1624459034100.6277 }, "end": { "local": "1918-07-12T14:13:17+03:26", "utc": "1918-07-12T10:47:17Z", "ms": -1624367563377.692 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-07-11", "window": { "start": { "local": "1918-07-11T11:08:37+03:26", "utc": "1918-07-11T07:42:37Z", "ms": -1624465043377.4482 }, "end": { "local": "1918-07-11T11:56:37+03:26", "utc": "1918-07-11T08:30:37Z", "ms": -1624462163377.4482 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-07-12", "window": { "start": { "local": "1918-07-12T11:08:45+03:26", "utc": "1918-07-12T07:42:45Z", "ms": -1624378635491.8765 }, "end": { "local": "1918-07-12T11:56:45+03:26", "utc": "1918-07-12T08:30:45Z", "ms": -1624375755491.8765 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:48 on Thu 11 Jul to 14:12 on Fri 12 Jul.", "fact": "1918-07-11T09:22:46Z → 1918-07-12T10:47:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 11th, 11:08–11:56 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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3129 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Friday 12 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": "1918-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-12", "confidence": "boundary" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Friday 12 July. Caturthī runs from 12:48 on Thu 11 Jul to 14:12 on Fri 12 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-07-12", "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/1918/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8192, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1918-07-12T14:13:17+03:26", "utc": "1918-07-12T10:47:17Z", "ms": -1624367563377.692 }, "end": { "local": "1918-07-13T16:05:35+03:26", "utc": "1918-07-13T12:39:35Z", "ms": -1624274424624.7856 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-12T14:13:17+03:26", "utc": "1918-07-12T10:47:17Z", "ms": -1624367563377.692 }, "end": { "local": "1918-07-13T16:05:35+03:26", "utc": "1918-07-13T12:39:35Z", "ms": -1624274424624.7856 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-07-12", "window": { "start": { "local": "1918-07-12T11:08:45+03:26", "utc": "1918-07-12T07:42:45Z", "ms": -1624378635491.8765 }, "end": { "local": "1918-07-12T11:56:45+03:26", "utc": "1918-07-12T08:30:45Z", "ms": -1624375755491.8765 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-07-13", "window": { "start": { "local": "1918-07-13T11:08:52+03:26", "utc": "1918-07-13T07:42:52Z", "ms": -1624292228059.7764 }, "end": { "local": "1918-07-13T11:56:52+03:26", "utc": "1918-07-13T08:30:52Z", "ms": -1624289348059.7764 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:12 on Fri 12 Jul to 16:05 on Sat 13 Jul.", "fact": "1918-07-12T10:47:17Z → 1918-07-13T12:39:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 12th, 11:08–11:56 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8192 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Mashhad, 1918: Saturday 13 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": "1918-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-13", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Pañcamī 1918 falls on Saturday 13 July. Pañcamī runs from 14:12 on Fri 12 Jul to 16:05 on Sat 13 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22867, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1918-07-14T18:18:06+03:26", "utc": "1918-07-14T14:52:06Z", "ms": -1624180073771.7805 }, "end": { "local": "1918-07-15T20:39:56+03:26", "utc": "1918-07-15T17:13:56Z", "ms": -1624085163834.6794 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-14T18:18:06+03:26", "utc": "1918-07-14T14:52:06Z", "ms": -1624180073771.7805 }, "end": { "local": "1918-07-15T20:39:56+03:26", "utc": "1918-07-15T17:13:56Z", "ms": -1624085163834.6794 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-07-14", "window": { "start": { "local": "1918-07-14T11:08:59+03:26", "utc": "1918-07-14T07:42:59Z", "ms": -1624205821098.0059 }, "end": { "local": "1918-07-14T11:56:59+03:26", "utc": "1918-07-14T08:30:59Z", "ms": -1624202941098.0059 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-07-15", "window": { "start": { "local": "1918-07-15T11:09:05+03:26", "utc": "1918-07-15T07:43:05Z", "ms": -1624119414622.1436 }, "end": { "local": "1918-07-15T11:57:05+03:26", "utc": "1918-07-15T08:31:05Z", "ms": -1624116534622.1436 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:17 on Sun 14 Jul to 20:39 on Mon 15 Jul.", "fact": "1918-07-14T14:52:06Z → 1918-07-15T17:13:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 14th, 11:08–11:56 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22867 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Mashhad, 1918: Monday 15 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": "1918-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-15", "confidence": "determinate" } ], "quote": "In Mashhad, Vivasvat Saptamī 1918 falls on Monday 15 July. Saptamī runs from 18:17 on Sun 14 Jul to 20:39 on Mon 15 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-07-19", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3622, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-07-19T02:30:23+03:26", "utc": "1918-07-18T23:04:23Z", "ms": -1623804937288.487 }, "end": { "local": "1918-07-20T03:23:58+03:26", "utc": "1918-07-19T23:57:58Z", "ms": -1623715322456.903 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-19T02:30:23+03:26", "utc": "1918-07-18T23:04:23Z", "ms": -1623804937288.487 }, "end": { "local": "1918-07-20T03:23:58+03:26", "utc": "1918-07-19T23:57:58Z", "ms": -1623715322456.903 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-07-19", "window": { "start": { "local": "1918-07-19T04:23:37+03:26", "utc": "1918-07-19T00:57:37Z", "ms": -1623798143291.6438 }, "end": { "local": "1918-07-19T04:23:37+03:26", "utc": "1918-07-19T00:57:37Z", "ms": -1623798143291.6438 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-07-20", "window": { "start": { "local": "1918-07-20T04:24:19+03:26", "utc": "1918-07-20T00:58:19Z", "ms": -1623711700829.705 }, "end": { "local": "1918-07-20T04:24:19+03:26", "utc": "1918-07-20T00:58:19Z", "ms": -1623711700829.705 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:29 on Fri 19 Jul to 03:23 on Sat 20 Jul.", "fact": "1918-07-18T23:04:23Z → 1918-07-19T23:57:58Z" }, { "step": "kaala", "text": "Sunrise is at 04:23 on the 19th and 04:23 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3622 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Mashhad, 1918: Friday 19 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": "1918-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-19", "confidence": "determinate" } ], "quote": "In Mashhad, Hariśayanī Ekādaśī 1918 falls on Friday 19 July. Ekādaśī runs from 02:29 on Fri 19 Jul to 03:23 on Sat 20 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-07-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25336, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-07-21T03:34:47+03:26", "utc": "1918-07-21T00:08:47Z", "ms": -1623628272587.5554 }, "end": { "local": "1918-07-22T03:02:10+03:26", "utc": "1918-07-21T23:36:10Z", "ms": -1623543829598.1667 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-21T03:34:47+03:26", "utc": "1918-07-21T00:08:47Z", "ms": -1623628272587.5554 }, "end": { "local": "1918-07-22T03:02:10+03:26", "utc": "1918-07-21T23:36:10Z", "ms": -1623543829598.1667 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-07-20", "window": { "start": { "local": "1918-07-20T18:42:41+03:26", "utc": "1918-07-20T15:16:41Z", "ms": -1623660199149.5815 }, "end": { "local": "1918-07-20T20:00:20+03:26", "utc": "1918-07-20T16:34:20Z", "ms": -1623655540304.1719 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1918-07-21", "window": { "start": { "local": "1918-07-21T18:42:04+03:26", "utc": "1918-07-21T15:16:04Z", "ms": -1623573835563.4248 }, "end": { "local": "1918-07-21T19:59:54+03:26", "utc": "1918-07-21T16:33:54Z", "ms": -1623569166056.4365 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:34 on Sun 21 Jul to 03:01 on Mon 22 Jul.", "fact": "1918-07-21T00:08:47Z → 1918-07-21T23:36:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–19:59 on the 20th, 18:41–19:59 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 20th and 78 of 78 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25336 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Sunday 21 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": "1918-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-21", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Sunday 21 July. Trayodaśī runs from 03:34 on Sun 21 Jul to 03:01 on Mon 22 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-07-21", "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/1918/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9456, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-07-23T01:48:54+03:26", "utc": "1918-07-22T22:22:54Z", "ms": -1623461825911.8777 }, "end": { "local": "1918-07-24T00:00:24+03:26", "utc": "1918-07-23T20:34:24Z", "ms": -1623381935524.0361 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-23T01:48:54+03:26", "utc": "1918-07-22T22:22:54Z", "ms": -1623461825911.8777 }, "end": { "local": "1918-07-24T00:00:24+03:26", "utc": "1918-07-23T20:34:24Z", "ms": -1623381935524.0361 } }, "kaala": "udaya-3", "days": [ { "local_date": "1918-07-23", "window": { "start": { "local": "1918-07-23T04:26:30+03:26", "utc": "1918-07-23T01:00:30Z", "ms": -1623452370215.5264 }, "end": { "local": "1918-07-23T07:17:21+03:26", "utc": "1918-07-23T03:51:21Z", "ms": -1623442118834.1223 } }, "covered_min": 171, "window_min": 171, "qualifies": true }, { "local_date": "1918-07-24", "window": { "start": { "local": "1918-07-24T04:27:14+03:26", "utc": "1918-07-24T01:01:14Z", "ms": -1623365925700.6082 }, "end": { "local": "1918-07-24T07:17:49+03:26", "utc": "1918-07-24T03:51:49Z", "ms": -1623355691480.266 } }, "covered_min": 0, "window_min": 171, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:48 on Tue 23 Jul to 23:59 on Wed 24 Jul.", "fact": "1918-07-22T22:22:54Z → 1918-07-23T20:34:24Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:25–07:16 on the 23rd, 04:26–07:17 on the 24th.", "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 171 of 171 minutes on the 23rd and 0 of 171 on the 24th.", "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 9456 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Mashhad, 1918: Tuesday 23 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": "1918-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-23", "confidence": "determinate" } ], "quote": "In Mashhad, Vyāsa Pūjā 1918 falls on Tuesday 23 July. Pūrṇimā runs from 01:48 on Tue 23 Jul to 23:59 on Wed 24 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33644, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-07-23T01:48:54+03:26", "utc": "1918-07-22T22:22:54Z", "ms": -1623461825911.8777 }, "end": { "local": "1918-07-24T00:00:24+03:26", "utc": "1918-07-23T20:34:24Z", "ms": -1623381935524.0361 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-23T01:48:54+03:26", "utc": "1918-07-22T22:22:54Z", "ms": -1623461825911.8777 }, "end": { "local": "1918-07-24T00:00:24+03:26", "utc": "1918-07-23T20:34:24Z", "ms": -1623381935524.0361 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-07-23", "window": { "start": { "local": "1918-07-23T11:09:38+03:26", "utc": "1918-07-23T07:43:38Z", "ms": -1623428181762.0164 }, "end": { "local": "1918-07-23T11:57:38+03:26", "utc": "1918-07-23T08:31:38Z", "ms": -1623425301762.0164 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-07-24", "window": { "start": { "local": "1918-07-24T11:09:40+03:26", "utc": "1918-07-24T07:43:40Z", "ms": -1623341780149.7532 }, "end": { "local": "1918-07-24T11:57:40+03:26", "utc": "1918-07-24T08:31:40Z", "ms": -1623338900149.7532 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:48 on Tue 23 Jul to 23:59 on Wed 24 Jul.", "fact": "1918-07-22T22:22:54Z → 1918-07-23T20:34:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 23rd, 11:09–11:57 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33644 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Mashhad, 1918: Tuesday 23 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": "1918-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-23", "confidence": "determinate" } ], "quote": "In Mashhad, Guru Pūrṇimā 1918 falls on Tuesday 23 July. Pūrṇimā runs from 01:48 on Tue 23 Jul to 23:59 on Wed 24 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19178, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-07-23T01:48:54+03:26", "utc": "1918-07-22T22:22:54Z", "ms": -1623461825911.8777 }, "end": { "local": "1918-07-24T00:00:24+03:26", "utc": "1918-07-23T20:34:24Z", "ms": -1623381935524.0361 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-23T01:48:54+03:26", "utc": "1918-07-22T22:22:54Z", "ms": -1623461825911.8777 }, "end": { "local": "1918-07-24T00:00:24+03:26", "utc": "1918-07-23T20:34:24Z", "ms": -1623381935524.0361 } }, "kaala": "sayahna", "days": [ { "local_date": "1918-07-22", "window": { "start": { "local": "1918-07-22T15:50:18+03:26", "utc": "1918-07-22T12:24:18Z", "ms": -1623497741750.6306 }, "end": { "local": "1918-07-22T18:41:26+03:26", "utc": "1918-07-22T15:15:26Z", "ms": -1623487473623.035 } }, "covered_min": 0, "window_min": 171, "qualifies": false }, { "local_date": "1918-07-23", "window": { "start": { "local": "1918-07-23T15:49:55+03:26", "utc": "1918-07-23T12:23:55Z", "ms": -1623411364689.9104 }, "end": { "local": "1918-07-23T18:40:47+03:26", "utc": "1918-07-23T15:14:47Z", "ms": -1623401113308.5063 } }, "covered_min": 171, "window_min": 171, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:48 on Tue 23 Jul to 23:59 on Wed 24 Jul.", "fact": "1918-07-22T22:22:54Z → 1918-07-23T20:34:24Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:49–18:40 on the 22nd, 15:49–18:40 on the 23rd.", "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 171 minutes on the 22nd and 171 of 171 on the 23rd.", "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 19178 s" }, { "step": "ruling", "text": "Kokilā Vrata, Mashhad, 1918: Tuesday 23 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": "1918-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-23", "confidence": "determinate" } ], "quote": "In Mashhad, Kokilā Vrata 1918 falls on Tuesday 23 July. Pūrṇimā runs from 01:48 on Tue 23 Jul to 23:59 on Wed 24 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14486, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-07-23T01:48:54+03:26", "utc": "1918-07-22T22:22:54Z", "ms": -1623461825911.8777 }, "end": { "local": "1918-07-24T00:00:24+03:26", "utc": "1918-07-23T20:34:24Z", "ms": -1623381935524.0361 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1918-07-23T01:48:54+03:26", "utc": "1918-07-22T22:22:54Z", "ms": -1623461825911.8777 }, "end": { "local": "1918-07-24T00:00:24+03:26", "utc": "1918-07-23T20:34:24Z", "ms": -1623381935524.0361 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-07-22", "window": { "start": { "local": "1918-07-22T18:41:26+03:26", "utc": "1918-07-22T15:15:26Z", "ms": -1623487473623.035 }, "end": { "local": "1918-07-22T19:59:27+03:26", "utc": "1918-07-22T16:33:27Z", "ms": -1623482793168.7004 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1918-07-23", "window": { "start": { "local": "1918-07-23T18:40:47+03:26", "utc": "1918-07-23T15:14:47Z", "ms": -1623401113308.5063 }, "end": { "local": "1918-07-23T19:58:58+03:26", "utc": "1918-07-23T16:32:58Z", "ms": -1623396421627.4534 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:48 on Tue 23 Jul to 23:59 on Wed 24 Jul.", "fact": "1918-07-22T22:22:54Z → 1918-07-23T20:34:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–19:58 on the 22nd, 18:40–19:58 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 0 of 78 minutes on the 22nd and 78 of 78 on the 23rd.", "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 14486 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Mashhad, 1918: Tuesday 23 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": "1918-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-23", "confidence": "determinate" } ], "quote": "In Mashhad, Śiva Śayanotsava 1918 falls on Tuesday 23 July. Pūrṇimā runs from 01:48 on Tue 23 Jul to 23:59 on Wed 24 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-24", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1465, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1918-07-24T21:43:52+03:26", "utc": "1918-07-24T18:17:52Z", "ms": -1623303727553.7969 }, "end": { "local": "1918-07-25T19:07:26+03:26", "utc": "1918-07-25T15:41:26Z", "ms": -1623226714203.7292 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-07-24T21:43:52+03:26", "utc": "1918-07-24T18:17:52Z", "ms": -1623303727553.7969 }, "end": { "local": "1918-07-25T19:07:26+03:26", "utc": "1918-07-25T15:41:26Z", "ms": -1623226714203.7292 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-07-24", "window": { "start": { "local": "1918-07-24T18:55:32+03:26", "utc": "1918-07-24T15:29:32Z", "ms": -1623313828343.7656 }, "end": { "local": "1918-07-24T18:55:32+03:26", "utc": "1918-07-24T15:29:32Z", "ms": -1623313828343.7656 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-07-25", "window": { "start": { "local": "1918-07-25T19:31:51+03:26", "utc": "1918-07-25T16:05:51Z", "ms": -1623225249043.7239 }, "end": { "local": "1918-07-25T19:31:51+03:26", "utc": "1918-07-25T16:05:51Z", "ms": -1623225249043.7239 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:43 on Wed 24 Jul to 19:06 on Thu 25 Jul.", "fact": "1918-07-24T18:17:52Z → 1918-07-25T15:41:26Z" }, { "step": "kaala", "text": "Moonrise is at 18:55 on the 24th and 19:31 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1465 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Mashhad, 1918: Wednesday 24 July.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1918-07-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-24", "confidence": "boundary" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata (Āṣāḍha) 1918 falls on Wednesday 24 July. Dvitīyā runs from 21:43 on Wed 24 Jul to 19:06 on Thu 25 Jul, and is current at moonrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-07-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13591, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-07-26T16:19:29+03:26", "utc": "1918-07-26T12:53:29Z", "ms": -1623150390688.3552 }, "end": { "local": "1918-07-27T13:28:12+03:26", "utc": "1918-07-27T10:02:12Z", "ms": -1623074267810.9497 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-07-26T16:19:29+03:26", "utc": "1918-07-26T12:53:29Z", "ms": -1623150390688.3552 }, "end": { "local": "1918-07-27T13:28:12+03:26", "utc": "1918-07-27T10:02:12Z", "ms": -1623074267810.9497 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-07-26", "window": { "start": { "local": "1918-07-26T20:06:00+03:26", "utc": "1918-07-26T16:40:00Z", "ms": -1623136799713.1416 }, "end": { "local": "1918-07-26T20:06:00+03:26", "utc": "1918-07-26T16:40:00Z", "ms": -1623136799713.1416 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-07-27", "window": { "start": { "local": "1918-07-27T20:39:26+03:26", "utc": "1918-07-27T17:13:26Z", "ms": -1623048394451.4116 }, "end": { "local": "1918-07-27T20:39:26+03:26", "utc": "1918-07-27T17:13:26Z", "ms": -1623048394451.4116 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:18 on Fri 26 Jul to 13:27 on Sat 27 Jul.", "fact": "1918-07-26T12:53:29Z → 1918-07-27T10:02:12Z" }, { "step": "kaala", "text": "Moonrise is at 20:05 on the 26th and 20:38 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 13591 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Friday 26 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": "1918-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-07-26", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Friday 26 July. Caturthī runs from 16:18 on Fri 26 Jul to 13:27 on Sat 27 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-07-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/ekadashi?on=1918-08-02", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13918, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-08-02T00:42:14+03:26", "utc": "1918-08-01T21:16:14Z", "ms": -1622601825951.7104 }, "end": { "local": "1918-08-02T23:46:38+03:26", "utc": "1918-08-02T20:20:38Z", "ms": -1622518762425.2249 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-02T00:42:14+03:26", "utc": "1918-08-01T21:16:14Z", "ms": -1622601825951.7104 }, "end": { "local": "1918-08-02T23:46:38+03:26", "utc": "1918-08-02T20:20:38Z", "ms": -1622518762425.2249 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-08-02", "window": { "start": { "local": "1918-08-02T04:34:12+03:26", "utc": "1918-08-02T01:08:12Z", "ms": -1622587908098.56 }, "end": { "local": "1918-08-02T04:34:12+03:26", "utc": "1918-08-02T01:08:12Z", "ms": -1622587908098.56 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-08-03", "window": { "start": { "local": "1918-08-03T04:35:00+03:26", "utc": "1918-08-03T01:09:00Z", "ms": -1622501460283.1294 }, "end": { "local": "1918-08-03T04:35:00+03:26", "utc": "1918-08-03T01:09:00Z", "ms": -1622501460283.1294 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:41 on Fri 2 Aug to 23:46 on Fri 2 Aug.", "fact": "1918-08-01T21:16:14Z → 1918-08-02T20:20:38Z" }, { "step": "kaala", "text": "Sunrise is at 04:33 on the 2nd and 04:34 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13918 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Mashhad, 1918: Friday 2 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-02", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmikā Ekādaśī 1918 falls on Friday 2 August. Ekādaśī runs from 00:41 on Fri 2 Aug to 23:46 on Fri 2 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-08-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-08-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11525, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-08-03T23:13:43+03:26", "utc": "1918-08-03T19:47:43Z", "ms": -1622434336734.4045 }, "end": { "local": "1918-08-04T23:03:43+03:26", "utc": "1918-08-04T19:37:43Z", "ms": -1622348536921.2122 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-03T23:13:43+03:26", "utc": "1918-08-03T19:47:43Z", "ms": -1622434336734.4045 }, "end": { "local": "1918-08-04T23:03:43+03:26", "utc": "1918-08-04T19:37:43Z", "ms": -1622348536921.2122 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-08-03", "window": { "start": { "local": "1918-08-03T18:31:49+03:26", "utc": "1918-08-03T15:05:49Z", "ms": -1622451250739.8008 }, "end": { "local": "1918-08-03T19:52:21+03:26", "utc": "1918-08-03T16:26:21Z", "ms": -1622446418945.726 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "1918-08-04", "window": { "start": { "local": "1918-08-04T18:30:52+03:26", "utc": "1918-08-04T15:04:52Z", "ms": -1622364908160.2278 }, "end": { "local": "1918-08-04T19:51:38+03:26", "utc": "1918-08-04T16:25:38Z", "ms": -1622360062289.384 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:13 on Sat 3 Aug to 23:03 on Sun 4 Aug.", "fact": "1918-08-03T19:47:43Z → 1918-08-04T19:37:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–19:51 on the 3rd, 18:30–19:51 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 3rd and 81 of 81 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11525 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Sunday 4 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": "1918-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-04", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Sunday 4 August. Trayodaśī runs from 23:13 on Sat 3 Aug to 23:03 on Sun 4 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-08-04", "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/1918/shivaratri?on=1918-08-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 361, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-08-04T23:03:43+03:26", "utc": "1918-08-04T19:37:43Z", "ms": -1622348536921.2122 }, "end": { "local": "1918-08-05T23:17:13+03:26", "utc": "1918-08-05T19:51:13Z", "ms": -1622261326815.3362 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-04T23:03:43+03:26", "utc": "1918-08-04T19:37:43Z", "ms": -1622348536921.2122 }, "end": { "local": "1918-08-05T23:17:13+03:26", "utc": "1918-08-05T19:51:13Z", "ms": -1622261326815.3362 } }, "kaala": "nishita", "days": [ { "local_date": "1918-08-04", "window": { "start": { "local": "1918-08-04T23:09:44+03:26", "utc": "1918-08-04T19:43:44Z", "ms": -1622348176144.564 }, "end": { "local": "1918-08-04T23:57:44+03:26", "utc": "1918-08-04T20:31:44Z", "ms": -1622345296144.564 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-08-05", "window": { "start": { "local": "1918-08-05T23:09:39+03:26", "utc": "1918-08-05T19:43:39Z", "ms": -1622261781375.1396 }, "end": { "local": "1918-08-05T23:57:39+03:26", "utc": "1918-08-05T20:31:39Z", "ms": -1622258901375.1396 } }, "covered_min": 8, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:03 on Sun 4 Aug to 23:16 on Mon 5 Aug.", "fact": "1918-08-04T19:37:43Z → 1918-08-05T19:51:13Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:09–23:57 on the 4th, 23:09–23:57 on the 5th.", "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 4th and 8 of 48 on the 5th.", "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 361 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Sunday 4 August.", "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": "1918-08-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-04", "confidence": "boundary" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Sunday 4 August. Caturdaśī runs from 23:03 on Sun 4 Aug to 23:16 on Mon 5 Aug and covers all of niśītha that night. It also reaches the next night for 8 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/1918/shivaratri?on=1918-08-04", "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/1918/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24512, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1918-08-09T02:27:18+03:26", "utc": "1918-08-08T23:01:18Z", "ms": -1621990721958.3345 }, "end": { "local": "1918-08-10T04:20:07+03:26", "utc": "1918-08-10T00:54:07Z", "ms": -1621897553104.057 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-09T02:27:18+03:26", "utc": "1918-08-08T23:01:18Z", "ms": -1621990721958.3345 }, "end": { "local": "1918-08-10T04:20:07+03:26", "utc": "1918-08-10T00:54:07Z", "ms": -1621897553104.057 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-08-09", "window": { "start": { "local": "1918-08-09T11:08:47+03:26", "utc": "1918-08-09T07:42:47Z", "ms": -1621959432569.099 }, "end": { "local": "1918-08-09T11:56:47+03:26", "utc": "1918-08-09T08:30:47Z", "ms": -1621956552569.099 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-08-10", "window": { "start": { "local": "1918-08-10T11:08:39+03:26", "utc": "1918-08-10T07:42:39Z", "ms": -1621873040795.3992 }, "end": { "local": "1918-08-10T11:56:39+03:26", "utc": "1918-08-10T08:30:39Z", "ms": -1621870160795.3992 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:26 on Fri 9 Aug to 04:19 on Sat 10 Aug.", "fact": "1918-08-08T23:01:18Z → 1918-08-10T00:54:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 9th, 11:08–11:56 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24512 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Mashhad, 1918: Friday 9 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": "1918-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-09", "confidence": "determinate" } ], "quote": "In Mashhad, Madhusravā Tṛtīyā (Hariyali Teej) 1918 falls on Friday 9 August. Tṛtīyā runs from 02:26 on Fri 9 Aug to 04:19 on Sat 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vinayaka-chaturthi?on=1918-08-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16540, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-08-10T04:20:07+03:26", "utc": "1918-08-10T00:54:07Z", "ms": -1621897553104.057 }, "end": { "local": "1918-08-11T06:32:50+03:26", "utc": "1918-08-11T03:06:50Z", "ms": -1621803189971.143 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-10T04:20:07+03:26", "utc": "1918-08-10T00:54:07Z", "ms": -1621897553104.057 }, "end": { "local": "1918-08-11T06:32:50+03:26", "utc": "1918-08-11T03:06:50Z", "ms": -1621803189971.143 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-08-10", "window": { "start": { "local": "1918-08-10T11:08:39+03:26", "utc": "1918-08-10T07:42:39Z", "ms": -1621873040795.3992 }, "end": { "local": "1918-08-10T11:56:39+03:26", "utc": "1918-08-10T08:30:39Z", "ms": -1621870160795.3992 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-08-11", "window": { "start": { "local": "1918-08-11T11:08:30+03:26", "utc": "1918-08-11T07:42:30Z", "ms": -1621786649602.044 }, "end": { "local": "1918-08-11T11:56:30+03:26", "utc": "1918-08-11T08:30:30Z", "ms": -1621783769602.044 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:19 on Sat 10 Aug to 06:32 on Sun 11 Aug.", "fact": "1918-08-10T00:54:07Z → 1918-08-11T03:06:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 10th, 11:08–11:56 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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16540 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Saturday 10 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": "1918-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-10", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Saturday 10 August. Caturthī runs from 04:19 on Sat 10 Aug to 06:32 on Sun 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-08-10", "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/1918/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7813, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1918-08-11T06:32:50+03:26", "utc": "1918-08-11T03:06:50Z", "ms": -1621803189971.143 }, "end": { "local": "1918-08-12T08:58:08+03:26", "utc": "1918-08-12T05:32:08Z", "ms": -1621708071507.883 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-11T06:32:50+03:26", "utc": "1918-08-11T03:06:50Z", "ms": -1621803189971.143 }, "end": { "local": "1918-08-12T08:58:08+03:26", "utc": "1918-08-12T05:32:08Z", "ms": -1621708071507.883 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-08-11", "window": { "start": { "local": "1918-08-11T11:08:30+03:26", "utc": "1918-08-11T07:42:30Z", "ms": -1621786649602.044 }, "end": { "local": "1918-08-11T11:56:30+03:26", "utc": "1918-08-11T08:30:30Z", "ms": -1621783769602.044 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-08-12", "window": { "start": { "local": "1918-08-12T11:08:21+03:26", "utc": "1918-08-12T07:42:21Z", "ms": -1621700258984.6162 }, "end": { "local": "1918-08-12T11:56:21+03:26", "utc": "1918-08-12T08:30:21Z", "ms": -1621697378984.6162 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:32 on Sun 11 Aug to 08:57 on Mon 12 Aug.", "fact": "1918-08-11T03:06:50Z → 1918-08-12T05:32:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 11th, 11:07–11:55 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 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7813 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Mashhad, 1918: Sunday 11 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": "1918-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-11", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī 1918 falls on Sunday 11 August. Pañcamī runs from 06:32 on Sun 11 Aug to 08:57 on Mon 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-08-18", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41191, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-08-17T17:20:35+03:26", "utc": "1918-08-17T13:54:35Z", "ms": -1621245924607.0337 }, "end": { "local": "1918-08-18T17:01:45+03:26", "utc": "1918-08-18T13:35:45Z", "ms": -1621160654835.2993 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-17T17:20:35+03:26", "utc": "1918-08-17T13:54:35Z", "ms": -1621245924607.0337 }, "end": { "local": "1918-08-18T17:01:45+03:26", "utc": "1918-08-18T13:35:45Z", "ms": -1621160654835.2993 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-08-18", "window": { "start": { "local": "1918-08-18T04:47:06+03:26", "utc": "1918-08-18T01:21:06Z", "ms": -1621204733821.1653 }, "end": { "local": "1918-08-18T04:47:06+03:26", "utc": "1918-08-18T01:21:06Z", "ms": -1621204733821.1653 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-08-19", "window": { "start": { "local": "1918-08-19T04:47:54+03:26", "utc": "1918-08-19T01:21:54Z", "ms": -1621118285560.056 }, "end": { "local": "1918-08-19T04:47:54+03:26", "utc": "1918-08-19T01:21:54Z", "ms": -1621118285560.056 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:20 on Sat 17 Aug to 17:01 on Sun 18 Aug.", "fact": "1918-08-17T13:54:35Z → 1918-08-18T13:35:45Z" }, { "step": "kaala", "text": "Sunrise is at 04:46 on the 18th and 04:47 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 41191 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 1918: Sunday 18 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": "1918-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-18", "confidence": "determinate" } ], "quote": "In Mashhad, Putradā Ekādaśī 1918 falls on Sunday 18 August. Ekādaśī runs from 17:20 on Sat 17 Aug to 17:01 on Sun 18 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14316, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1918-08-18T17:01:45+03:26", "utc": "1918-08-18T13:35:45Z", "ms": -1621160654835.2993 }, "end": { "local": "1918-08-19T15:53:36+03:26", "utc": "1918-08-19T12:27:36Z", "ms": -1621078344224.3357 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-18T17:01:45+03:26", "utc": "1918-08-18T13:35:45Z", "ms": -1621160654835.2993 }, "end": { "local": "1918-08-19T15:53:36+03:26", "utc": "1918-08-19T12:27:36Z", "ms": -1621078344224.3357 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-08-18", "window": { "start": { "local": "1918-08-18T11:07:13+03:26", "utc": "1918-08-18T07:41:13Z", "ms": -1621181926996.6685 }, "end": { "local": "1918-08-18T11:55:13+03:26", "utc": "1918-08-18T08:29:13Z", "ms": -1621179046996.6685 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-08-19", "window": { "start": { "local": "1918-08-19T11:07:00+03:26", "utc": "1918-08-19T07:41:00Z", "ms": -1621095540199.6113 }, "end": { "local": "1918-08-19T11:55:00+03:26", "utc": "1918-08-19T08:29:00Z", "ms": -1621092660199.6113 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:01 on Sun 18 Aug to 15:53 on Mon 19 Aug.", "fact": "1918-08-18T13:35:45Z → 1918-08-19T12:27:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 18th, 11:06–11:54 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14316 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Mashhad, 1918: Monday 19 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": "1918-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-19", "confidence": "determinate" } ], "quote": "In Mashhad, Dāmodara Dvādaśī 1918 falls on Monday 19 August. Dvādaśī runs from 17:01 on Sun 18 Aug to 15:53 on Mon 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/pradosha-vrata?on=1918-08-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8429, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-08-19T15:53:36+03:26", "utc": "1918-08-19T12:27:36Z", "ms": -1621078344224.3357 }, "end": { "local": "1918-08-20T14:00:12+03:26", "utc": "1918-08-20T10:34:12Z", "ms": -1620998747780.5188 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-19T15:53:36+03:26", "utc": "1918-08-19T12:27:36Z", "ms": -1621078344224.3357 }, "end": { "local": "1918-08-20T14:00:12+03:26", "utc": "1918-08-20T10:34:12Z", "ms": -1620998747780.5188 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-08-19", "window": { "start": { "local": "1918-08-19T18:14:05+03:26", "utc": "1918-08-19T14:48:05Z", "ms": -1621069914839.167 }, "end": { "local": "1918-08-19T19:38:42+03:26", "utc": "1918-08-19T16:12:42Z", "ms": -1621064837844.2927 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "1918-08-20", "window": { "start": { "local": "1918-08-20T18:12:50+03:26", "utc": "1918-08-20T14:46:50Z", "ms": -1620983590432.081 }, "end": { "local": "1918-08-20T19:37:43+03:26", "utc": "1918-08-20T16:11:43Z", "ms": -1620978496944.5347 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:53 on Mon 19 Aug to 13:59 on Tue 20 Aug.", "fact": "1918-08-19T12:27:36Z → 1918-08-20T10:34:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:38 on the 19th, 18:12–19:37 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 19th and 0 of 85 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8429 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Monday 19 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": "1918-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-19", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Monday 19 August. Trayodaśī runs from 15:53 on Mon 19 Aug to 13:59 on Tue 20 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-08-19", "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/1918/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 13058, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-08-21T11:28:38+03:26", "utc": "1918-08-21T08:02:38Z", "ms": -1620921441703.7996 }, "end": { "local": "1918-08-22T08:27:57+03:26", "utc": "1918-08-22T05:01:57Z", "ms": -1620845883255.4517 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1918-08-21T22:01:19+03:26", "utc": "1918-08-21T18:35:19Z", "ms": -1620883481080.194 }, "end": { "local": "1918-08-22T08:27:57+03:26", "utc": "1918-08-22T05:01:57Z", "ms": -1620845883255.4517 } }, "kaala": "day", "days": [ { "local_date": "1918-08-21", "window": { "start": { "local": "1918-08-21T04:49:31+03:26", "utc": "1918-08-21T01:23:31Z", "ms": -1620945389275.4827 }, "end": { "local": "1918-08-22T04:50:19+03:26", "utc": "1918-08-22T01:24:19Z", "ms": -1620858941253.0205 } }, "covered_min": 409, "window_min": 1441, "qualifies": true }, { "local_date": "1918-08-22", "window": { "start": { "local": "1918-08-22T04:50:19+03:26", "utc": "1918-08-22T01:24:19Z", "ms": -1620858941253.0205 }, "end": { "local": "1918-08-23T04:51:07+03:26", "utc": "1918-08-23T01:25:07Z", "ms": -1620772493307.4907 } }, "covered_min": 218, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:28 on Wed 21 Aug to 08:27 on Thu 22 Aug. Its second half begins at 22:00 on Wed 21 Aug.", "fact": "1918-08-21T08:02:38Z → 1918-08-22T05:01:57Z · second half from 1918-08-21T18:35:19Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 04:49 on the 21st, and from 04:49 on the 22nd.", "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 409 of 1441 minutes on the 21st and 218 of 1441 on the 22nd.", "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 13058 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Mashhad, 1918: Wednesday 21 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": "1918-08-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-21", "confidence": "boundary" } ], "quote": "In Mashhad, Rakṣā Bandhana (Rakhi) 1918 falls on Wednesday 21 August. The second half of Pūrṇimā runs from 22:00 on Wed 21 Aug to 08:27 on Thu 22 Aug and falls on two days: 409 minutes of it on the 21st, 218 on the 22nd; 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/1918/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/1918/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1326, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-08-21T11:28:38+03:26", "utc": "1918-08-21T08:02:38Z", "ms": -1620921441703.7996 }, "end": { "local": "1918-08-22T08:27:57+03:26", "utc": "1918-08-22T05:01:57Z", "ms": -1620845883255.4517 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1918-08-21T11:28:38+03:26", "utc": "1918-08-21T08:02:38Z", "ms": -1620921441703.7996 }, "end": { "local": "1918-08-22T08:27:57+03:26", "utc": "1918-08-22T05:01:57Z", "ms": -1620845883255.4517 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-08-21", "window": { "start": { "local": "1918-08-21T11:06:32+03:26", "utc": "1918-08-21T07:40:32Z", "ms": -1620922768097.703 }, "end": { "local": "1918-08-21T11:54:32+03:26", "utc": "1918-08-21T08:28:32Z", "ms": -1620919888097.703 } }, "covered_min": 26, "window_min": 48, "qualifies": true }, { "local_date": "1918-08-22", "window": { "start": { "local": "1918-08-22T11:06:17+03:26", "utc": "1918-08-22T07:40:17Z", "ms": -1620836382762.1821 }, "end": { "local": "1918-08-22T11:54:17+03:26", "utc": "1918-08-22T08:28:17Z", "ms": -1620833502762.1821 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:28 on Wed 21 Aug to 08:27 on Thu 22 Aug.", "fact": "1918-08-21T08:02:38Z → 1918-08-22T05:01:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 21st, 11:05–11:53 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 26 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 1326 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Mashhad, 1918: Wednesday 21 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": "1918-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-21", "confidence": "determinate" } ], "quote": "In Mashhad, Ṛṣi Tarpaṇa 1918 falls on Wednesday 21 August. Pūrṇimā runs from 11:28 on Wed 21 Aug to 08:27 on Thu 22 Aug and covers 26 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25337, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1918-08-23T05:08:16+03:26", "utc": "1918-08-23T01:42:16Z", "ms": -1620771463623.6895 }, "end": { "local": "1918-08-24T01:40:09+03:26", "utc": "1918-08-23T22:14:09Z", "ms": -1620697551115.934 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-08-23T05:08:16+03:26", "utc": "1918-08-23T01:42:16Z", "ms": -1620771463623.6895 }, "end": { "local": "1918-08-24T01:40:09+03:26", "utc": "1918-08-23T22:14:09Z", "ms": -1620697551115.934 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-08-22", "window": { "start": { "local": "1918-08-22T18:03:03+03:26", "utc": "1918-08-22T14:37:03Z", "ms": -1620811377196.9102 }, "end": { "local": "1918-08-22T18:03:03+03:26", "utc": "1918-08-22T14:37:03Z", "ms": -1620811377196.9102 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-08-23", "window": { "start": { "local": "1918-08-23T18:37:52+03:26", "utc": "1918-08-23T15:11:52Z", "ms": -1620722887824.5317 }, "end": { "local": "1918-08-23T18:37:52+03:26", "utc": "1918-08-23T15:11:52Z", "ms": -1620722887824.5317 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 05:07 on Fri 23 Aug to 01:39 on Sat 24 Aug.", "fact": "1918-08-23T01:42:16Z → 1918-08-23T22:14:09Z" }, { "step": "kaala", "text": "Moonrise is at 18:02 on the 22nd and 18:37 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25337 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Mashhad, 1918: Friday 23 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": "1918-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-23", "confidence": "determinate" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata 1918 falls on Friday 23 August. Dvitīyā runs from 05:07 on Fri 23 Aug to 01:39 on Sat 24 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33938, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1918-08-24T01:40:09+03:26", "utc": "1918-08-23T22:14:09Z", "ms": -1620697551115.934 }, "end": { "local": "1918-08-24T22:13:53+03:26", "utc": "1918-08-24T18:47:53Z", "ms": -1620623526513.7922 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-08-24T01:40:09+03:26", "utc": "1918-08-23T22:14:09Z", "ms": -1620697551115.934 }, "end": { "local": "1918-08-24T22:13:53+03:26", "utc": "1918-08-24T18:47:53Z", "ms": -1620623526513.7922 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-08-24", "window": { "start": { "local": "1918-08-24T11:05:47+03:26", "utc": "1918-08-24T07:39:47Z", "ms": -1620663613436.4932 }, "end": { "local": "1918-08-24T11:53:47+03:26", "utc": "1918-08-24T08:27:47Z", "ms": -1620660733436.4932 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-08-25", "window": { "start": { "local": "1918-08-25T11:05:31+03:26", "utc": "1918-08-25T07:39:31Z", "ms": -1620577229409.9663 }, "end": { "local": "1918-08-25T11:53:31+03:26", "utc": "1918-08-25T08:27:31Z", "ms": -1620574349409.9663 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:39 on Sat 24 Aug to 22:13 on Sat 24 Aug.", "fact": "1918-08-23T22:14:09Z → 1918-08-24T18:47:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 24th, 11:05–11:53 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33938 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Mashhad, 1918: Saturday 24 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": "1918-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-24", "confidence": "determinate" } ], "quote": "In Mashhad, Kajjalī Tṛtīyā (Kajari Teej) 1918 falls on Saturday 24 August. Tṛtīyā runs from 01:39 on Sat 24 Aug to 22:13 on Sat 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-08-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-24", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3037, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-08-24T22:13:53+03:26", "utc": "1918-08-24T18:47:53Z", "ms": -1620623526513.7922 }, "end": { "local": "1918-08-25T18:59:06+03:26", "utc": "1918-08-25T15:33:06Z", "ms": -1620548813944.5288 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-08-24T22:13:53+03:26", "utc": "1918-08-24T18:47:53Z", "ms": -1620623526513.7922 }, "end": { "local": "1918-08-25T18:59:06+03:26", "utc": "1918-08-25T15:33:06Z", "ms": -1620548813944.5288 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-08-24", "window": { "start": { "local": "1918-08-24T19:12:56+03:26", "utc": "1918-08-24T15:46:56Z", "ms": -1620634383621.167 }, "end": { "local": "1918-08-24T19:12:56+03:26", "utc": "1918-08-24T15:46:56Z", "ms": -1620634383621.167 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-08-25", "window": { "start": { "local": "1918-08-25T19:49:43+03:26", "utc": "1918-08-25T16:23:43Z", "ms": -1620545777321.5613 }, "end": { "local": "1918-08-25T19:49:43+03:26", "utc": "1918-08-25T16:23:43Z", "ms": -1620545777321.5613 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:13 on Sat 24 Aug to 18:58 on Sun 25 Aug.", "fact": "1918-08-24T18:47:53Z → 1918-08-25T15:33:06Z" }, { "step": "kaala", "text": "Moonrise is at 19:12 on the 24th and 19:49 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is not on the 25th.", "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 3037 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Saturday 24 August.", "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": "1918-08-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-24", "confidence": "boundary" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Saturday 24 August. Caturthī runs from 22:13 on Sat 24 Aug to 18:58 on Sun 25 Aug, and is current at moonrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-08-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3167, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-08-24T22:13:53+03:26", "utc": "1918-08-24T18:47:53Z", "ms": -1620623526513.7922 }, "end": { "local": "1918-08-25T18:59:06+03:26", "utc": "1918-08-25T15:33:06Z", "ms": -1620548813944.5288 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-08-24T22:13:53+03:26", "utc": "1918-08-24T18:47:53Z", "ms": -1620623526513.7922 }, "end": { "local": "1918-08-25T18:59:06+03:26", "utc": "1918-08-25T15:33:06Z", "ms": -1620548813944.5288 } }, "kaala": "sayahna", "days": [ { "local_date": "1918-08-24", "window": { "start": { "local": "1918-08-24T15:28:30+03:26", "utc": "1918-08-24T12:02:30Z", "ms": -1620647850237.6013 }, "end": { "local": "1918-08-24T18:07:39+03:26", "utc": "1918-08-24T14:41:39Z", "ms": -1620638301438.3398 } }, "covered_min": 0, "window_min": 159, "qualifies": false }, { "local_date": "1918-08-25", "window": { "start": { "local": "1918-08-25T15:27:36+03:26", "utc": "1918-08-25T12:01:36Z", "ms": -1620561504478.2122 }, "end": { "local": "1918-08-25T18:06:19+03:26", "utc": "1918-08-25T14:40:19Z", "ms": -1620551981190.376 } }, "covered_min": 159, "window_min": 159, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:13 on Sat 24 Aug to 18:58 on Sun 25 Aug.", "fact": "1918-08-24T18:47:53Z → 1918-08-25T15:33:06Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:27–18:07 on the 24th, 15:27–18:05 on the 25th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 159 minutes on the 24th and 159 of 159 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3167 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Mashhad, 1918: Sunday 25 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": "1918-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-25", "confidence": "determinate" } ], "quote": "In Mashhad, Bahulā Caturthī 1918 falls on Sunday 25 August. Caturthī runs from 22:13 on Sat 24 Aug to 18:58 on Sun 25 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6172, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1918-08-26T16:04:10+03:26", "utc": "1918-08-26T12:38:10Z", "ms": -1620472909886.5974 }, "end": { "local": "1918-08-27T13:35:49+03:26", "utc": "1918-08-27T10:09:49Z", "ms": -1620395410628.876 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-08-26T16:04:10+03:26", "utc": "1918-08-26T12:38:10Z", "ms": -1620472909886.5974 }, "end": { "local": "1918-08-27T13:35:49+03:26", "utc": "1918-08-27T10:09:49Z", "ms": -1620395410628.876 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-08-26", "window": { "start": { "local": "1918-08-26T11:05:14+03:26", "utc": "1918-08-26T07:39:14Z", "ms": -1620490845783.3503 }, "end": { "local": "1918-08-26T11:53:14+03:26", "utc": "1918-08-26T08:27:14Z", "ms": -1620487965783.3503 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-08-27", "window": { "start": { "local": "1918-08-27T11:04:57+03:26", "utc": "1918-08-27T07:38:57Z", "ms": -1620404462539.0723 }, "end": { "local": "1918-08-27T11:52:57+03:26", "utc": "1918-08-27T08:26:57Z", "ms": -1620401582539.0723 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:03 on Mon 26 Aug to 13:35 on Tue 27 Aug.", "fact": "1918-08-26T12:38:10Z → 1918-08-27T10:09:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 26th, 11:04–11:52 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6172 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Mashhad, 1918: Tuesday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-27", "confidence": "determinate" } ], "quote": "In Mashhad, Hala Ṣaṣṭhī 1918 falls on Tuesday 27 August. Ṣaṣṭhī runs from 16:03 on Mon 26 Aug to 13:35 on Tue 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37337, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1918-08-28T11:38:45+03:26", "utc": "1918-08-28T08:12:45Z", "ms": -1620316035352.6008 }, "end": { "local": "1918-08-29T10:15:21+03:26", "utc": "1918-08-29T06:49:21Z", "ms": -1620234639169.9146 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-08-28T11:38:45+03:26", "utc": "1918-08-28T08:12:45Z", "ms": -1620316035352.6008 }, "end": { "local": "1918-08-29T10:15:21+03:26", "utc": "1918-08-29T06:49:21Z", "ms": -1620234639169.9146 } }, "kaala": "nishita", "days": [ { "local_date": "1918-08-27", "window": { "start": { "local": "1918-08-27T23:05:21+03:26", "utc": "1918-08-27T19:39:21Z", "ms": -1620361238725.7646 }, "end": { "local": "1918-08-27T23:53:21+03:26", "utc": "1918-08-27T20:27:21Z", "ms": -1620358358725.7646 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-08-28", "window": { "start": { "local": "1918-08-28T23:05:04+03:26", "utc": "1918-08-28T19:39:04Z", "ms": -1620274855874.438 }, "end": { "local": "1918-08-28T23:53:04+03:26", "utc": "1918-08-28T20:27:04Z", "ms": -1620271975874.438 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:38 on Wed 28 Aug to 10:14 on Thu 29 Aug.", "fact": "1918-08-28T08:12:45Z → 1918-08-29T06:49:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:04–23:52 on the 27th, 23:04–23:52 on the 28th.", "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 27th and 48 of 48 on the 28th.", "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 37337 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Mashhad, 1918: Wednesday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-28", "confidence": "determinate" } ], "quote": "In Mashhad, Janmāṣṭamī 1918 falls on Wednesday 28 August. Aṣṭamī runs from 11:38 on Wed 28 Aug to 10:14 on Thu 29 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 836, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1918-08-27T13:35:49+03:26", "utc": "1918-08-27T10:09:49Z", "ms": -1620395410628.876 }, "end": { "local": "1918-08-28T11:38:45+03:26", "utc": "1918-08-28T08:12:45Z", "ms": -1620316035352.6008 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-08-27T13:35:49+03:26", "utc": "1918-08-27T10:09:49Z", "ms": -1620395410628.876 }, "end": { "local": "1918-08-28T11:38:45+03:26", "utc": "1918-08-28T08:12:45Z", "ms": -1620316035352.6008 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-08-27", "window": { "start": { "local": "1918-08-27T11:04:57+03:26", "utc": "1918-08-27T07:38:57Z", "ms": -1620404462539.0723 }, "end": { "local": "1918-08-27T11:52:57+03:26", "utc": "1918-08-27T08:26:57Z", "ms": -1620401582539.0723 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-08-28", "window": { "start": { "local": "1918-08-28T11:04:40+03:26", "utc": "1918-08-28T07:38:40Z", "ms": -1620318079660.417 }, "end": { "local": "1918-08-28T11:52:40+03:26", "utc": "1918-08-28T08:26:40Z", "ms": -1620315199660.417 } }, "covered_min": 34, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:35 on Tue 27 Aug to 11:38 on Wed 28 Aug.", "fact": "1918-08-27T10:09:49Z → 1918-08-28T08:12:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 27th, 11:04–11:52 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 34 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 836 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Mashhad, 1918: Wednesday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-08-28", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalā Saptamī 1918 falls on Wednesday 28 August. Saptamī runs from 13:35 on Tue 27 Aug to 11:38 on Wed 28 Aug and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-09-01", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15068, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-08-31T09:08:36+03:26", "utc": "1918-08-31T05:42:36Z", "ms": -1620065843584.5247 }, "end": { "local": "1918-09-01T09:20:54+03:26", "utc": "1918-09-01T05:54:54Z", "ms": -1619978706101.6848 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-08-31T09:08:36+03:26", "utc": "1918-08-31T05:42:36Z", "ms": -1620065843584.5247 }, "end": { "local": "1918-09-01T09:20:54+03:26", "utc": "1918-09-01T05:54:54Z", "ms": -1619978706101.6848 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-08-31", "window": { "start": { "local": "1918-08-31T04:57:28+03:26", "utc": "1918-08-31T01:31:28Z", "ms": -1620080912022.7878 }, "end": { "local": "1918-08-31T04:57:28+03:26", "utc": "1918-08-31T01:31:28Z", "ms": -1620080912022.7878 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-09-01", "window": { "start": { "local": "1918-09-01T04:58:15+03:26", "utc": "1918-09-01T01:32:15Z", "ms": -1619994464610.7664 }, "end": { "local": "1918-09-01T04:58:15+03:26", "utc": "1918-09-01T01:32:15Z", "ms": -1619994464610.7664 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:08 on Sat 31 Aug to 09:20 on Sun 1 Sep.", "fact": "1918-08-31T05:42:36Z → 1918-09-01T05:54:54Z" }, { "step": "kaala", "text": "Sunrise is at 04:56 on the 31st and 04:57 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15068 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Mashhad, 1918: Sunday 1 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": "1918-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-01", "confidence": "determinate" } ], "quote": "In Mashhad, Ajā Ekādaśī 1918 falls on Sunday 1 September. Ekādaśī runs from 09:08 on Sat 31 Aug to 09:20 on Sun 1 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-09-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24716, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-09-02T09:59:36+03:26", "utc": "1918-09-02T06:33:36Z", "ms": -1619889983707.4329 }, "end": { "local": "1918-09-03T11:01:56+03:26", "utc": "1918-09-03T07:35:56Z", "ms": -1619799844098.476 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-02T09:59:36+03:26", "utc": "1918-09-02T06:33:36Z", "ms": -1619889983707.4329 }, "end": { "local": "1918-09-03T11:01:56+03:26", "utc": "1918-09-03T07:35:56Z", "ms": -1619799844098.476 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-09-02", "window": { "start": { "local": "1918-09-02T17:55:17+03:26", "utc": "1918-09-02T14:29:17Z", "ms": -1619861443191.0627 }, "end": { "local": "1918-09-02T19:23:53+03:26", "utc": "1918-09-02T15:57:53Z", "ms": -1619856126758.0222 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1918-09-03", "window": { "start": { "local": "1918-09-03T17:53:51+03:26", "utc": "1918-09-03T14:27:51Z", "ms": -1619775128505.851 }, "end": { "local": "1918-09-03T19:22:46+03:26", "utc": "1918-09-03T15:56:46Z", "ms": -1619769794396.5 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:59 on Mon 2 Sep to 11:01 on Tue 3 Sep.", "fact": "1918-09-02T06:33:36Z → 1918-09-03T07:35:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:23 on the 2nd, 17:53–19:22 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 2nd and 0 of 89 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24716 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Monday 2 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": "1918-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-02", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Monday 2 September. Trayodaśī runs from 09:59 on Mon 2 Sep to 11:01 on Tue 3 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-09-02", "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/1918/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19602, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-09-03T11:01:56+03:26", "utc": "1918-09-03T07:35:56Z", "ms": -1619799844098.476 }, "end": { "local": "1918-09-04T12:25:44+03:26", "utc": "1918-09-04T08:59:44Z", "ms": -1619708416267.4868 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-03T11:01:56+03:26", "utc": "1918-09-03T07:35:56Z", "ms": -1619799844098.476 }, "end": { "local": "1918-09-04T12:25:44+03:26", "utc": "1918-09-04T08:59:44Z", "ms": -1619708416267.4868 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-09-03", "window": { "start": { "local": "1918-09-03T17:53:51+03:26", "utc": "1918-09-03T14:27:51Z", "ms": -1619775128505.851 }, "end": { "local": "1918-09-03T19:22:46+03:26", "utc": "1918-09-03T15:56:46Z", "ms": -1619769794396.5 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1918-09-04", "window": { "start": { "local": "1918-09-04T17:52:26+03:26", "utc": "1918-09-04T14:26:26Z", "ms": -1619688814299.499 }, "end": { "local": "1918-09-04T19:21:38+03:26", "utc": "1918-09-04T15:55:38Z", "ms": -1619683462456.4626 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:01 on Tue 3 Sep to 12:25 on Wed 4 Sep.", "fact": "1918-09-03T07:35:56Z → 1918-09-04T08:59:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:22 on the 3rd, 17:51–19:21 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 3rd and 0 of 89 on the 4th.", "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 19602 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Mashhad, 1918: Tuesday 3 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": "1918-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-03", "confidence": "determinate" } ], "quote": "In Mashhad, Aghora Caturdaśī 1918 falls on Tuesday 3 September. Caturdaśī runs from 11:01 on Tue 3 Sep to 12:25 on Wed 4 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/shivaratri?on=1918-09-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38231, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-09-03T11:01:56+03:26", "utc": "1918-09-03T07:35:56Z", "ms": -1619799844098.476 }, "end": { "local": "1918-09-04T12:25:44+03:26", "utc": "1918-09-04T08:59:44Z", "ms": -1619708416267.4868 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-03T11:01:56+03:26", "utc": "1918-09-03T07:35:56Z", "ms": -1619799844098.476 }, "end": { "local": "1918-09-04T12:25:44+03:26", "utc": "1918-09-04T08:59:44Z", "ms": -1619708416267.4868 } }, "kaala": "nishita", "days": [ { "local_date": "1918-09-03", "window": { "start": { "local": "1918-09-03T23:03:14+03:26", "utc": "1918-09-03T19:37:14Z", "ms": -1619756565595.7844 }, "end": { "local": "1918-09-03T23:51:14+03:26", "utc": "1918-09-03T20:25:14Z", "ms": -1619753685595.7844 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-09-04", "window": { "start": { "local": "1918-09-04T23:02:55+03:26", "utc": "1918-09-04T19:36:55Z", "ms": -1619670184888.113 }, "end": { "local": "1918-09-04T23:50:55+03:26", "utc": "1918-09-04T20:24:55Z", "ms": -1619667304888.113 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:01 on Tue 3 Sep to 12:25 on Wed 4 Sep.", "fact": "1918-09-03T07:35:56Z → 1918-09-04T08:59:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:02–23:50 on the 3rd, 23:02–23:50 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38231 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Tuesday 3 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": "1918-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-03", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Tuesday 3 September. Caturdaśī runs from 11:01 on Tue 3 Sep to 12:25 on Wed 4 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-09-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8351, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1918-09-05T14:09:23+03:26", "utc": "1918-09-05T10:43:23Z", "ms": -1619615797340.9856 }, "end": { "local": "1918-09-06T16:11:14+03:26", "utc": "1918-09-06T12:45:14Z", "ms": -1619522085509.4463 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-05T14:09:23+03:26", "utc": "1918-09-05T10:43:23Z", "ms": -1619615797340.9856 }, "end": { "local": "1918-09-06T16:11:14+03:26", "utc": "1918-09-06T12:45:14Z", "ms": -1619522085509.4463 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-09-05", "window": { "start": { "local": "1918-09-05T11:02:12+03:26", "utc": "1918-09-05T07:36:12Z", "ms": -1619627028011.1538 }, "end": { "local": "1918-09-05T11:50:12+03:26", "utc": "1918-09-05T08:24:12Z", "ms": -1619624148011.1538 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-09-06", "window": { "start": { "local": "1918-09-06T11:01:52+03:26", "utc": "1918-09-06T07:35:52Z", "ms": -1619540647765.7603 }, "end": { "local": "1918-09-06T11:49:52+03:26", "utc": "1918-09-06T08:23:52Z", "ms": -1619537767765.7603 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:08 on Thu 5 Sep to 16:10 on Fri 6 Sep.", "fact": "1918-09-05T10:43:23Z → 1918-09-06T12:45:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 5th, 11:01–11:49 on the 6th.", "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 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8351 s" }, { "step": "ruling", "text": "Rudra Vrata, Mashhad, 1918: Friday 6 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": "1918-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-06", "confidence": "determinate" } ], "quote": "In Mashhad, Rudra Vrata 1918 falls on Friday 6 September. Pratipadā runs from 14:08 on Thu 5 Sep to 16:10 on Fri 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23956, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1918-09-07T18:28:48+03:26", "utc": "1918-09-07T15:02:48Z", "ms": -1619427431687.2156 }, "end": { "local": "1918-09-08T20:57:43+03:26", "utc": "1918-09-08T17:31:43Z", "ms": -1619332096743.1921 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-07T18:28:48+03:26", "utc": "1918-09-07T15:02:48Z", "ms": -1619427431687.2156 }, "end": { "local": "1918-09-08T20:57:43+03:26", "utc": "1918-09-08T17:31:43Z", "ms": -1619332096743.1921 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-09-07", "window": { "start": { "local": "1918-09-07T11:01:32+03:26", "utc": "1918-09-07T07:35:32Z", "ms": -1619454267741.628 }, "end": { "local": "1918-09-07T11:49:32+03:26", "utc": "1918-09-07T08:23:32Z", "ms": -1619451387741.628 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-09-08", "window": { "start": { "local": "1918-09-08T11:01:12+03:26", "utc": "1918-09-08T07:35:12Z", "ms": -1619367887923.5437 }, "end": { "local": "1918-09-08T11:49:12+03:26", "utc": "1918-09-08T08:23:12Z", "ms": -1619365007923.5437 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:28 on Sat 7 Sep to 20:57 on Sun 8 Sep.", "fact": "1918-09-07T15:02:48Z → 1918-09-08T17:31:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 7th, 11:00–11:48 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23956 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Mashhad, 1918: Sunday 8 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": "1918-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-08", "confidence": "determinate" } ], "quote": "In Mashhad, Haritālikā Vrata (Hartalika Teej) 1918 falls on Sunday 8 September. Tṛtīyā runs from 18:28 on Sat 7 Sep to 20:57 on Sun 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32911, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-09-08T20:57:43+03:26", "utc": "1918-09-08T17:31:43Z", "ms": -1619332096743.1921 }, "end": { "local": "1918-09-09T23:31:04+03:26", "utc": "1918-09-09T20:05:04Z", "ms": -1619236496016.036 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-08T20:57:43+03:26", "utc": "1918-09-08T17:31:43Z", "ms": -1619332096743.1921 }, "end": { "local": "1918-09-09T23:31:04+03:26", "utc": "1918-09-09T20:05:04Z", "ms": -1619236496016.036 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-09-08", "window": { "start": { "local": "1918-09-08T11:01:12+03:26", "utc": "1918-09-08T07:35:12Z", "ms": -1619367887923.5437 }, "end": { "local": "1918-09-08T11:49:12+03:26", "utc": "1918-09-08T08:23:12Z", "ms": -1619365007923.5437 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-09-09", "window": { "start": { "local": "1918-09-09T11:00:52+03:26", "utc": "1918-09-09T07:34:52Z", "ms": -1619281508295.8433 }, "end": { "local": "1918-09-09T11:48:52+03:26", "utc": "1918-09-09T08:22:52Z", "ms": -1619278628295.8433 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:57 on Sun 8 Sep to 23:30 on Mon 9 Sep.", "fact": "1918-09-08T17:31:43Z → 1918-09-09T20:05:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 8th, 11:00–11:48 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32911 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Mashhad, 1918: Monday 9 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": "1918-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-09", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Caturthī 1918 falls on Monday 9 September. Caturthī runs from 20:57 on Sun 8 Sep to 23:30 on Mon 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32461, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1918-09-09T23:31:04+03:26", "utc": "1918-09-09T20:05:04Z", "ms": -1619236496016.036 }, "end": { "local": "1918-09-11T01:59:10+03:26", "utc": "1918-09-10T22:33:10Z", "ms": -1619141210300.8313 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-09T23:31:04+03:26", "utc": "1918-09-09T20:05:04Z", "ms": -1619236496016.036 }, "end": { "local": "1918-09-11T01:59:10+03:26", "utc": "1918-09-10T22:33:10Z", "ms": -1619141210300.8313 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-09-10", "window": { "start": { "local": "1918-09-10T11:00:31+03:26", "utc": "1918-09-10T07:34:31Z", "ms": -1619195128842.3923 }, "end": { "local": "1918-09-10T11:48:31+03:26", "utc": "1918-09-10T08:22:31Z", "ms": -1619192248842.3923 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-09-11", "window": { "start": { "local": "1918-09-11T11:00:10+03:26", "utc": "1918-09-11T07:34:10Z", "ms": -1619108749546.5684 }, "end": { "local": "1918-09-11T11:48:10+03:26", "utc": "1918-09-11T08:22:10Z", "ms": -1619105869546.5684 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:30 on Mon 9 Sep to 01:58 on Wed 11 Sep.", "fact": "1918-09-09T20:05:04Z → 1918-09-10T22:33:10Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 32461 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Mashhad, 1918: Tuesday 10 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": "1918-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-10", "confidence": "determinate" } ], "quote": "In Mashhad, Ṛṣi Pañcamī 1918 falls on Tuesday 10 September. Pañcamī runs from 23:30 on Mon 9 Sep to 01:58 on Wed 11 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24577, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1918-09-11T01:59:10+03:26", "utc": "1918-09-10T22:33:10Z", "ms": -1619141210300.8313 }, "end": { "local": "1918-09-12T04:10:13+03:26", "utc": "1918-09-12T00:44:13Z", "ms": -1619046947236.6846 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-11T01:59:10+03:26", "utc": "1918-09-10T22:33:10Z", "ms": -1619141210300.8313 }, "end": { "local": "1918-09-12T04:10:13+03:26", "utc": "1918-09-12T00:44:13Z", "ms": -1619046947236.6846 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-09-11", "window": { "start": { "local": "1918-09-11T11:00:10+03:26", "utc": "1918-09-11T07:34:10Z", "ms": -1619108749546.5684 }, "end": { "local": "1918-09-11T11:48:10+03:26", "utc": "1918-09-11T08:22:10Z", "ms": -1619105869546.5684 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-09-12", "window": { "start": { "local": "1918-09-12T10:59:50+03:26", "utc": "1918-09-12T07:33:50Z", "ms": -1619022370391.2632 }, "end": { "local": "1918-09-12T11:47:50+03:26", "utc": "1918-09-12T08:21:50Z", "ms": -1619019490391.2632 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:58 on Wed 11 Sep to 04:09 on Thu 12 Sep.", "fact": "1918-09-10T22:33:10Z → 1918-09-12T00:44:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 11th, 10:59–11:47 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24577 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Mashhad, 1918: Wednesday 11 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": "1918-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-11", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Bhādrapada) 1918 falls on Wednesday 11 September. Ṣaṣṭhī runs from 01:58 on Wed 11 Sep to 04:09 on Thu 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18461, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1918-09-12T04:10:13+03:26", "utc": "1918-09-12T00:44:13Z", "ms": -1619046947236.6846 }, "end": { "local": "1918-09-13T05:51:47+03:26", "utc": "1918-09-13T02:25:47Z", "ms": -1618954452595.273 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-12T04:10:13+03:26", "utc": "1918-09-12T00:44:13Z", "ms": -1619046947236.6846 }, "end": { "local": "1918-09-13T05:51:47+03:26", "utc": "1918-09-13T02:25:47Z", "ms": -1618954452595.273 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-09-12", "window": { "start": { "local": "1918-09-12T10:59:50+03:26", "utc": "1918-09-12T07:33:50Z", "ms": -1619022370391.2632 }, "end": { "local": "1918-09-12T11:47:50+03:26", "utc": "1918-09-12T08:21:50Z", "ms": -1619019490391.2632 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-09-13", "window": { "start": { "local": "1918-09-13T10:59:29+03:26", "utc": "1918-09-13T07:33:29Z", "ms": -1618935991358.832 }, "end": { "local": "1918-09-13T11:47:29+03:26", "utc": "1918-09-13T08:21:29Z", "ms": -1618933111358.832 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:09 on Thu 12 Sep to 05:51 on Fri 13 Sep.", "fact": "1918-09-12T00:44:13Z → 1918-09-13T02:25:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 12th, 10:58–11:46 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18461 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Mashhad, 1918: Thursday 12 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": "1918-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-12", "confidence": "determinate" } ], "quote": "In Mashhad, Muktābharaṇa Vrata 1918 falls on Thursday 12 September. Saptamī runs from 04:09 on Thu 12 Sep to 05:51 on Fri 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14781, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1918-09-13T05:51:47+03:26", "utc": "1918-09-13T02:25:47Z", "ms": -1618954452595.273 }, "end": { "local": "1918-09-14T06:52:47+03:26", "utc": "1918-09-14T03:26:47Z", "ms": -1618864393082.2207 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-13T05:51:47+03:26", "utc": "1918-09-13T02:25:47Z", "ms": -1618954452595.273 }, "end": { "local": "1918-09-14T06:52:47+03:26", "utc": "1918-09-14T03:26:47Z", "ms": -1618864393082.2207 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-09-13", "window": { "start": { "local": "1918-09-13T10:59:29+03:26", "utc": "1918-09-13T07:33:29Z", "ms": -1618935991358.832 }, "end": { "local": "1918-09-13T11:47:29+03:26", "utc": "1918-09-13T08:21:29Z", "ms": -1618933111358.832 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-09-14", "window": { "start": { "local": "1918-09-14T10:59:08+03:26", "utc": "1918-09-14T07:33:08Z", "ms": -1618849612430.996 }, "end": { "local": "1918-09-14T11:47:08+03:26", "utc": "1918-09-14T08:21:08Z", "ms": -1618846732430.996 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:51 on Fri 13 Sep to 06:52 on Sat 14 Sep.", "fact": "1918-09-13T02:25:47Z → 1918-09-14T03:26:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 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": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14781 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Mashhad, 1918: Friday 13 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": "1918-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-13", "confidence": "determinate" } ], "quote": "In Mashhad, Rādhāṣṭamī 1918 falls on Friday 13 September. Aṣṭamī runs from 05:51 on Fri 13 Sep to 06:52 on Sat 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-09-16", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1013, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-09-16T06:25:21+03:26", "utc": "1918-09-16T02:59:21Z", "ms": -1618693239326.333 }, "end": { "local": "1918-09-17T04:53:56+03:26", "utc": "1918-09-17T01:27:56Z", "ms": -1618612323624.484 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-16T06:25:21+03:26", "utc": "1918-09-16T02:59:21Z", "ms": -1618693239326.333 }, "end": { "local": "1918-09-17T04:53:56+03:26", "utc": "1918-09-17T01:27:56Z", "ms": -1618612323624.484 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-09-16", "window": { "start": { "local": "1918-09-16T05:10:02+03:26", "utc": "1918-09-16T01:44:02Z", "ms": -1618697758153.6047 }, "end": { "local": "1918-09-16T05:10:02+03:26", "utc": "1918-09-16T01:44:02Z", "ms": -1618697758153.6047 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-09-17", "window": { "start": { "local": "1918-09-17T05:10:49+03:26", "utc": "1918-09-17T01:44:49Z", "ms": -1618611311122.3044 }, "end": { "local": "1918-09-17T05:10:49+03:26", "utc": "1918-09-17T01:44:49Z", "ms": -1618611311122.3044 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:24 on Mon 16 Sep to 04:53 on Tue 17 Sep.", "fact": "1918-09-16T02:59:21Z → 1918-09-17T01:27:56Z" }, { "step": "kaala", "text": "Sunrise is at 05:09 on the 16th and 05:10 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1013 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Mashhad, 1918: Monday 16 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": "1918-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-16", "confidence": "determinate" } ], "quote": "In Mashhad, Parivartanī Ekādaśī 1918 falls on Monday 16 September. Ekādaśī runs from 06:24 on Mon 16 Sep to 04:53 on Tue 17 Sep, and is current at sunrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-09-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21848, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1918-09-17T04:53:56+03:26", "utc": "1918-09-17T01:27:56Z", "ms": -1618612323624.484 }, "end": { "local": "1918-09-18T02:35:42+03:26", "utc": "1918-09-17T23:09:42Z", "ms": -1618534218276.9304 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-17T04:53:56+03:26", "utc": "1918-09-17T01:27:56Z", "ms": -1618612323624.484 }, "end": { "local": "1918-09-18T02:35:42+03:26", "utc": "1918-09-17T23:09:42Z", "ms": -1618534218276.9304 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-09-17", "window": { "start": { "local": "1918-09-17T10:58:04+03:26", "utc": "1918-09-17T07:32:04Z", "ms": -1618590476082.0657 }, "end": { "local": "1918-09-17T11:46:04+03:26", "utc": "1918-09-17T08:20:04Z", "ms": -1618587596082.0657 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-09-18", "window": { "start": { "local": "1918-09-18T10:57:43+03:26", "utc": "1918-09-18T07:31:43Z", "ms": -1618504097374.9468 }, "end": { "local": "1918-09-18T11:45:43+03:26", "utc": "1918-09-18T08:19:43Z", "ms": -1618501217374.9468 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:53 on Tue 17 Sep to 02:35 on Wed 18 Sep.", "fact": "1918-09-17T01:27:56Z → 1918-09-17T23:09:42Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21848 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Mashhad, 1918: Tuesday 17 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": "1918-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-17", "confidence": "determinate" } ], "quote": "In Mashhad, Vāmana Jayantī 1918 falls on Tuesday 17 September. Dvādaśī runs from 04:53 on Tue 17 Sep to 02:35 on Wed 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/pradosha-vrata?on=1918-09-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16387, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-09-18T02:35:42+03:26", "utc": "1918-09-17T23:09:42Z", "ms": -1618534218276.9304 }, "end": { "local": "1918-09-18T23:38:21+03:26", "utc": "1918-09-18T20:12:21Z", "ms": -1618458459053.0247 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-18T02:35:42+03:26", "utc": "1918-09-17T23:09:42Z", "ms": -1618534218276.9304 }, "end": { "local": "1918-09-18T23:38:21+03:26", "utc": "1918-09-18T20:12:21Z", "ms": -1618458459053.0247 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-09-17", "window": { "start": { "local": "1918-09-17T17:33:19+03:26", "utc": "1918-09-17T14:07:19Z", "ms": -1618566761041.827 }, "end": { "local": "1918-09-17T19:06:25+03:26", "utc": "1918-09-17T15:40:25Z", "ms": -1618561174775.6318 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "1918-09-18", "window": { "start": { "local": "1918-09-18T17:31:49+03:26", "utc": "1918-09-18T14:05:49Z", "ms": -1618480450704.5303 }, "end": { "local": "1918-09-18T19:05:14+03:26", "utc": "1918-09-18T15:39:14Z", "ms": -1618474846198.3362 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:35 on Wed 18 Sep to 23:37 on Wed 18 Sep.", "fact": "1918-09-17T23:09:42Z → 1918-09-18T20:12:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:32–19:05 on the 17th, 17:31–19:04 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 17th and 93 of 93 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16387 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Wednesday 18 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": "1918-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-18", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Wednesday 18 September. Trayodaśī runs from 02:35 on Wed 18 Sep to 23:37 on Wed 18 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-09-18", "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/1918/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20042, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-09-18T23:38:21+03:26", "utc": "1918-09-18T20:12:21Z", "ms": -1618458459053.0247 }, "end": { "local": "1918-09-19T20:11:41+03:26", "utc": "1918-09-19T16:45:41Z", "ms": -1618384458911.5918 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1918-09-18T23:38:21+03:26", "utc": "1918-09-18T20:12:21Z", "ms": -1618458459053.0247 }, "end": { "local": "1918-09-19T20:11:41+03:26", "utc": "1918-09-19T16:45:41Z", "ms": -1618384458911.5918 } }, "kaala": "udaya-3", "days": [ { "local_date": "1918-09-19", "window": { "start": { "local": "1918-09-19T05:12:23+03:26", "utc": "1918-09-19T01:46:23Z", "ms": -1618438416908.0742 }, "end": { "local": "1918-09-19T07:39:58+03:26", "utc": "1918-09-19T04:13:58Z", "ms": -1618429561612.2336 } }, "covered_min": 148, "window_min": 148, "qualifies": true }, { "local_date": "1918-09-20", "window": { "start": { "local": "1918-09-20T05:13:10+03:26", "utc": "1918-09-20T01:47:10Z", "ms": -1618351969693.408 }, "end": { "local": "1918-09-20T07:40:18+03:26", "utc": "1918-09-20T04:14:18Z", "ms": -1618343141791.4463 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:37 on Wed 18 Sep to 20:11 on Thu 19 Sep.", "fact": "1918-09-18T20:12:21Z → 1918-09-19T16:45:41Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:11–07:39 on the 19th, 05:12–07:39 on the 20th.", "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 148 of 148 minutes on the 19th and 0 of 147 on the 20th.", "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 20042 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Mashhad, 1918: Thursday 19 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": "1918-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-19", "confidence": "determinate" } ], "quote": "In Mashhad, Ananta Caturdaśī 1918 falls on Thursday 19 September. Caturdaśī runs from 23:37 on Wed 18 Sep to 20:11 on Thu 19 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-09-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25150, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-09-23T05:14:54+03:26", "utc": "1918-09-23T01:48:54Z", "ms": -1618092665560.919 }, "end": { "local": "1918-09-24T02:07:31+03:26", "utc": "1918-09-23T22:41:31Z", "ms": -1618017508727.965 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-09-23T05:14:54+03:26", "utc": "1918-09-23T01:48:54Z", "ms": -1618092665560.919 }, "end": { "local": "1918-09-24T02:07:31+03:26", "utc": "1918-09-23T22:41:31Z", "ms": -1618017508727.965 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-09-22", "window": { "start": { "local": "1918-09-22T18:24:15+03:26", "utc": "1918-09-22T14:58:15Z", "ms": -1618131704968.086 }, "end": { "local": "1918-09-22T18:24:15+03:26", "utc": "1918-09-22T14:58:15Z", "ms": -1618131704968.086 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-09-23", "window": { "start": { "local": "1918-09-23T19:08:21+03:26", "utc": "1918-09-23T15:42:21Z", "ms": -1618042658553.1257 }, "end": { "local": "1918-09-23T19:08:21+03:26", "utc": "1918-09-23T15:42:21Z", "ms": -1618042658553.1257 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:14 on Mon 23 Sep to 02:07 on Tue 24 Sep.", "fact": "1918-09-23T01:48:54Z → 1918-09-23T22:41:31Z" }, { "step": "kaala", "text": "Moonrise is at 18:23 on the 22nd and 19:07 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25150 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Monday 23 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": "1918-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-23", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Monday 23 September. Caturthī runs from 05:14 on Mon 23 Sep to 02:07 on Tue 24 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2759, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1918-09-24T23:33:09+03:26", "utc": "1918-09-24T20:07:09Z", "ms": -1617940370530.2734 }, "end": { "local": "1918-09-25T21:37:47+03:26", "utc": "1918-09-25T18:11:47Z", "ms": -1617860893130.582 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-09-24T23:33:09+03:26", "utc": "1918-09-24T20:07:09Z", "ms": -1617940370530.2734 }, "end": { "local": "1918-09-25T21:37:47+03:26", "utc": "1918-09-25T18:11:47Z", "ms": -1617860893130.582 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-09-24", "window": { "start": { "local": "1918-09-24T19:57:32+03:26", "utc": "1918-09-24T16:31:32Z", "ms": -1617953307660.3374 }, "end": { "local": "1918-09-24T19:57:32+03:26", "utc": "1918-09-24T16:31:32Z", "ms": -1617953307660.3374 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-09-25", "window": { "start": { "local": "1918-09-25T20:51:48+03:26", "utc": "1918-09-25T17:25:48Z", "ms": -1617863652253.2988 }, "end": { "local": "1918-09-25T20:51:48+03:26", "utc": "1918-09-25T17:25:48Z", "ms": -1617863652253.2988 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:32 on Tue 24 Sep to 21:37 on Wed 25 Sep.", "fact": "1918-09-24T20:07:09Z → 1918-09-25T18:11:47Z" }, { "step": "kaala", "text": "Moonrise is at 19:57 on the 24th and 20:51 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 24th and is on the 25th.", "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 2759 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Mashhad, 1918: Wednesday 25 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": "1918-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-25", "confidence": "determinate" } ], "quote": "In Mashhad, Candra Ṣaṣṭhī 1918 falls on Wednesday 25 September. Ṣaṣṭhī runs from 23:32 on Tue 24 Sep to 21:37 on Wed 25 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5120, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1918-09-26T20:24:45+03:26", "utc": "1918-09-26T16:58:45Z", "ms": -1617778875475.5854 }, "end": { "local": "1918-09-27T19:54:32+03:26", "utc": "1918-09-27T16:28:32Z", "ms": -1617694288148.1863 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-09-26T20:24:45+03:26", "utc": "1918-09-26T16:58:45Z", "ms": -1617778875475.5854 }, "end": { "local": "1918-09-27T19:54:32+03:26", "utc": "1918-09-27T16:28:32Z", "ms": -1617694288148.1863 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-09-26", "window": { "start": { "local": "1918-09-26T21:50:04+03:26", "utc": "1918-09-26T18:24:04Z", "ms": -1617773755959.7612 }, "end": { "local": "1918-09-26T21:50:04+03:26", "utc": "1918-09-26T18:24:04Z", "ms": -1617773755959.7612 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-09-27", "window": { "start": { "local": "1918-09-27T22:50:33+03:26", "utc": "1918-09-27T19:24:33Z", "ms": -1617683726693.5896 }, "end": { "local": "1918-09-27T22:50:33+03:26", "utc": "1918-09-27T19:24:33Z", "ms": -1617683726693.5896 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:24 on Thu 26 Sep to 19:54 on Fri 27 Sep.", "fact": "1918-09-26T16:58:45Z → 1918-09-27T16:28:32Z" }, { "step": "kaala", "text": "Moonrise is at 21:49 on the 26th and 22:50 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5120 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Mashhad, 1918: Thursday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-26", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālakṣmī Vrata Samāpana 1918 falls on Thursday 26 September. Aṣṭamī runs from 20:24 on Thu 26 Sep to 19:54 on Fri 27 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3599, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1918-09-26T20:24:45+03:26", "utc": "1918-09-26T16:58:45Z", "ms": -1617778875475.5854 }, "end": { "local": "1918-09-27T19:54:32+03:26", "utc": "1918-09-27T16:28:32Z", "ms": -1617694288148.1863 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-09-26T20:24:45+03:26", "utc": "1918-09-26T16:58:45Z", "ms": -1617778875475.5854 }, "end": { "local": "1918-09-27T19:54:32+03:26", "utc": "1918-09-27T16:28:32Z", "ms": -1617694288148.1863 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-09-26", "window": { "start": { "local": "1918-09-26T17:19:52+03:26", "utc": "1918-09-26T13:53:52Z", "ms": -1617789967563.5796 }, "end": { "local": "1918-09-26T18:55:43+03:26", "utc": "1918-09-26T15:29:43Z", "ms": -1617784216621.3684 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1918-09-27", "window": { "start": { "local": "1918-09-27T17:18:23+03:26", "utc": "1918-09-27T13:52:23Z", "ms": -1617703656639.933 }, "end": { "local": "1918-09-27T18:54:33+03:26", "utc": "1918-09-27T15:28:33Z", "ms": -1617697887359.8499 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:24 on Thu 26 Sep to 19:54 on Fri 27 Sep.", "fact": "1918-09-26T16:58:45Z → 1918-09-27T16:28:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–18:55 on the 26th, 17:17–18:54 on the 27th.", "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 96 minutes on the 26th and 96 of 96 on the 27th.", "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 3599 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Mashhad, 1918: Friday 27 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-27", "confidence": "determinate" } ], "quote": "In Mashhad, Jitāṣṭamī (Jitiya) 1918 falls on Friday 27 September. Aṣṭamī runs from 20:24 on Thu 26 Sep to 19:54 on Fri 27 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-09-30", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26013, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-09-29T20:51:26+03:26", "utc": "1918-09-29T17:25:26Z", "ms": -1617518073726.1577 }, "end": { "local": "1918-09-30T22:08:27+03:26", "utc": "1918-09-30T18:42:27Z", "ms": -1617427053042.487 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-09-29T20:51:26+03:26", "utc": "1918-09-29T17:25:26Z", "ms": -1617518073726.1577 }, "end": { "local": "1918-09-30T22:08:27+03:26", "utc": "1918-09-30T18:42:27Z", "ms": -1617427053042.487 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-09-30", "window": { "start": { "local": "1918-09-30T05:21:11+03:26", "utc": "1918-09-30T01:55:11Z", "ms": -1617487489470.169 }, "end": { "local": "1918-09-30T05:21:11+03:26", "utc": "1918-09-30T01:55:11Z", "ms": -1617487489470.169 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-10-01", "window": { "start": { "local": "1918-10-01T05:22:00+03:26", "utc": "1918-10-01T01:56:00Z", "ms": -1617401040340.76 }, "end": { "local": "1918-10-01T05:22:00+03:26", "utc": "1918-10-01T01:56:00Z", "ms": -1617401040340.76 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:50 on Sun 29 Sep to 22:07 on Mon 30 Sep.", "fact": "1918-09-29T17:25:26Z → 1918-09-30T18:42:27Z" }, { "step": "kaala", "text": "Sunrise is at 05:20 on the 30th and 05:21 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26013 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Mashhad, 1918: Monday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-09-30", "confidence": "determinate" } ], "quote": "In Mashhad, Indirā Ekādaśī 1918 falls on Monday 30 September. Ekādaśī runs from 20:50 on Sun 29 Sep to 22:07 on Mon 30 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-09-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-10-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18006, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-10-01T23:49:58+03:26", "utc": "1918-10-01T20:23:58Z", "ms": -1617334561767.8535 }, "end": { "local": "1918-10-03T01:50:32+03:26", "utc": "1918-10-02T22:24:32Z", "ms": -1617240928118.9487 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-01T23:49:58+03:26", "utc": "1918-10-01T20:23:58Z", "ms": -1617334561767.8535 }, "end": { "local": "1918-10-03T01:50:32+03:26", "utc": "1918-10-02T22:24:32Z", "ms": -1617240928118.9487 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-10-01", "window": { "start": { "local": "1918-10-01T17:12:30+03:26", "utc": "1918-10-01T13:46:30Z", "ms": -1617358410448.954 }, "end": { "local": "1918-10-01T18:49:52+03:26", "utc": "1918-10-01T15:23:52Z", "ms": -1617352567851.8206 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1918-10-02", "window": { "start": { "local": "1918-10-02T17:11:02+03:26", "utc": "1918-10-02T13:45:02Z", "ms": -1617272098134.277 }, "end": { "local": "1918-10-02T18:48:43+03:26", "utc": "1918-10-02T15:22:43Z", "ms": -1617266237229.9194 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:49 on Tue 1 Oct to 01:50 on Thu 3 Oct.", "fact": "1918-10-01T20:23:58Z → 1918-10-02T22:24:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:49 on the 1st, 17:10–18:48 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 1st and 98 of 98 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18006 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Wednesday 2 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": "1918-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-02", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Wednesday 2 October. Trayodaśī runs from 23:49 on Tue 1 Oct to 01:50 on Thu 3 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-10-02", "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/1918/shivaratri?on=1918-10-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7752, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-10-03T01:50:32+03:26", "utc": "1918-10-02T22:24:32Z", "ms": -1617240928118.9487 }, "end": { "local": "1918-10-04T04:05:29+03:26", "utc": "1918-10-04T00:39:29Z", "ms": -1617146431033.1848 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-03T01:50:32+03:26", "utc": "1918-10-02T22:24:32Z", "ms": -1617240928118.9487 }, "end": { "local": "1918-10-04T04:05:29+03:26", "utc": "1918-10-04T00:39:29Z", "ms": -1617146431033.1848 } }, "kaala": "nishita", "days": [ { "local_date": "1918-10-02", "window": { "start": { "local": "1918-10-02T22:53:20+03:26", "utc": "1918-10-02T19:27:20Z", "ms": -1617251559742.9363 }, "end": { "local": "1918-10-02T23:41:20+03:26", "utc": "1918-10-02T20:15:20Z", "ms": -1617248679742.9363 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-10-03", "window": { "start": { "local": "1918-10-03T22:53:02+03:26", "utc": "1918-10-03T19:27:02Z", "ms": -1617165178466.8691 }, "end": { "local": "1918-10-03T23:41:02+03:26", "utc": "1918-10-03T20:15:02Z", "ms": -1617162298466.8691 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:50 on Thu 3 Oct to 04:04 on Fri 4 Oct.", "fact": "1918-10-02T22:24:32Z → 1918-10-04T00:39:29Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:52–23:40 on the 2nd, 22:52–23:40 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7752 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Thursday 3 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": "1918-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-03", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Thursday 3 October. Caturdaśī runs from 01:50 on Thu 3 Oct to 04:04 on Fri 4 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21320, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1918-10-04T04:05:29+03:26", "utc": "1918-10-04T00:39:29Z", "ms": -1617146431033.1848 }, "end": { "local": "1918-10-05T06:30:49+03:26", "utc": "1918-10-05T03:04:49Z", "ms": -1617051311388.575 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-04T04:05:29+03:26", "utc": "1918-10-04T00:39:29Z", "ms": -1617146431033.1848 }, "end": { "local": "1918-10-05T06:30:49+03:26", "utc": "1918-10-05T03:04:49Z", "ms": -1617051311388.575 } }, "kaala": "aparahna", "days": [ { "local_date": "1918-10-04", "window": { "start": { "local": "1918-10-04T12:26:40+03:26", "utc": "1918-10-04T09:00:40Z", "ms": -1617116360024.0098 }, "end": { "local": "1918-10-04T14:47:24+03:26", "utc": "1918-10-04T11:21:24Z", "ms": -1617107916206.356 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "1918-10-05", "window": { "start": { "local": "1918-10-05T12:26:08+03:26", "utc": "1918-10-05T09:00:08Z", "ms": -1617029991877.3508 }, "end": { "local": "1918-10-05T14:46:25+03:26", "utc": "1918-10-05T11:20:25Z", "ms": -1617021575389.8757 } }, "covered_min": 0, "window_min": 140, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 04:04 on Fri 4 Oct to 06:30 on Sat 5 Oct.", "fact": "1918-10-04T00:39:29Z → 1918-10-05T03:04:49Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:26–14:46 on the 4th, 12:25–14:45 on the 5th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 141 of 141 minutes on the 4th and 0 of 140 on the 5th.", "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 21320 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Mashhad, 1918: Friday 4 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": "1918-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-04", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālaya Amāvāsyā 1918 falls on Friday 4 October. Amāvasyā runs from 04:04 on Fri 4 Oct to 06:30 on Sat 5 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6550, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1918-10-05T06:30:49+03:26", "utc": "1918-10-05T03:04:49Z", "ms": -1617051311388.575 }, "end": { "local": "1918-10-06T09:02:32+03:26", "utc": "1918-10-06T05:36:32Z", "ms": -1616955807949.4766 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-05T06:30:49+03:26", "utc": "1918-10-05T03:04:49Z", "ms": -1617051311388.575 }, "end": { "local": "1918-10-06T09:02:32+03:26", "utc": "1918-10-06T05:36:32Z", "ms": -1616955807949.4766 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-10-05", "window": { "start": { "local": "1918-10-05T10:52:00+03:26", "utc": "1918-10-05T07:26:00Z", "ms": -1617035640121.0884 }, "end": { "local": "1918-10-05T11:40:00+03:26", "utc": "1918-10-05T08:14:00Z", "ms": -1617032760121.0884 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-10-06", "window": { "start": { "local": "1918-10-06T10:51:42+03:26", "utc": "1918-10-06T07:25:42Z", "ms": -1616949257951.878 }, "end": { "local": "1918-10-06T11:39:42+03:26", "utc": "1918-10-06T08:13:42Z", "ms": -1616946377951.878 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:30 on Sat 5 Oct to 09:02 on Sun 6 Oct.", "fact": "1918-10-05T03:04:49Z → 1918-10-06T05:36:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 5th, 10:51–11:39 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6550 s" }, { "step": "ruling", "text": "Navarātrārambha, Mashhad, 1918: Saturday 5 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": "1918-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-05", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Navratri) 1918 falls on Saturday 5 October. Pratipadā runs from 06:30 on Sat 5 Oct to 09:02 on Sun 6 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vinayaka-chaturthi?on=1918-10-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8739, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-10-08T14:04:47+03:26", "utc": "1918-10-08T10:38:47Z", "ms": -1616764873160.0645 }, "end": { "local": "1918-10-09T16:21:11+03:26", "utc": "1918-10-09T12:55:11Z", "ms": -1616670289001.412 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-08T14:04:47+03:26", "utc": "1918-10-08T10:38:47Z", "ms": -1616764873160.0645 }, "end": { "local": "1918-10-09T16:21:11+03:26", "utc": "1918-10-09T12:55:11Z", "ms": -1616670289001.412 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-10-08", "window": { "start": { "local": "1918-10-08T10:51:08+03:26", "utc": "1918-10-08T07:25:08Z", "ms": -1616776492473.4526 }, "end": { "local": "1918-10-08T11:39:08+03:26", "utc": "1918-10-08T08:13:08Z", "ms": -1616773612473.4526 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-10-09", "window": { "start": { "local": "1918-10-09T10:50:51+03:26", "utc": "1918-10-09T07:24:51Z", "ms": -1616690109130.596 }, "end": { "local": "1918-10-09T11:38:51+03:26", "utc": "1918-10-09T08:12:51Z", "ms": -1616687229130.596 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:04 on Tue 8 Oct to 16:20 on Wed 9 Oct.", "fact": "1918-10-08T10:38:47Z → 1918-10-09T12:55:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:50–11:38 on the 8th, 10:50–11:38 on the 9th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8739 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Wednesday 9 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": "1918-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-09", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Wednesday 9 October. Caturthī runs from 14:04 on Tue 8 Oct to 16:20 on Wed 9 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-10-09", "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/1918/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33044, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1918-10-11T19:38:46+03:26", "utc": "1918-10-11T16:12:46Z", "ms": -1616485633502.2505 }, "end": { "local": "1918-10-12T20:21:26+03:26", "utc": "1918-10-12T16:55:26Z", "ms": -1616396674405.1428 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-11T19:38:46+03:26", "utc": "1918-10-11T16:12:46Z", "ms": -1616485633502.2505 }, "end": { "local": "1918-10-12T20:21:26+03:26", "utc": "1918-10-12T16:55:26Z", "ms": -1616396674405.1428 } }, "kaala": "udaya-1", "days": [ { "local_date": "1918-10-12", "window": { "start": { "local": "1918-10-12T05:31:17+03:26", "utc": "1918-10-12T02:05:17Z", "ms": -1616450082532.0933 }, "end": { "local": "1918-10-12T06:17:00+03:26", "utc": "1918-10-12T02:51:00Z", "ms": -1616447340392.5303 } }, "covered_min": 46, "window_min": 46, "qualifies": true }, { "local_date": "1918-10-13", "window": { "start": { "local": "1918-10-13T05:32:10+03:26", "utc": "1918-10-13T02:06:10Z", "ms": -1616363630090.761 }, "end": { "local": "1918-10-13T06:17:43+03:26", "utc": "1918-10-13T02:51:43Z", "ms": -1616360896924.1707 } }, "covered_min": 0, "window_min": 46, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:38 on Fri 11 Oct to 20:20 on Sat 12 Oct.", "fact": "1918-10-11T16:12:46Z → 1918-10-12T16:55:26Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:30–06:16 on the 12th, 05:31–06:17 on the 13th.", "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 46 of 46 minutes on the 12th and 0 of 46 on the 13th.", "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 33044 s" }, { "step": "ruling", "text": "Durgā Saptamī, Mashhad, 1918: Saturday 12 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": "1918-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-12", "confidence": "determinate" } ], "quote": "In Mashhad, Durgā Saptamī 1918 falls on Saturday 12 October. Saptamī runs from 19:38 on Fri 11 Oct to 20:20 on Sat 12 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31177, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1918-10-12T20:21:26+03:26", "utc": "1918-10-12T16:55:26Z", "ms": -1616396674405.1428 }, "end": { "local": "1918-10-13T20:17:26+03:26", "utc": "1918-10-13T16:51:26Z", "ms": -1616310514351.438 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-12T20:21:26+03:26", "utc": "1918-10-12T16:55:26Z", "ms": -1616396674405.1428 }, "end": { "local": "1918-10-13T20:17:26+03:26", "utc": "1918-10-13T16:51:26Z", "ms": -1616310514351.438 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-10-12", "window": { "start": { "local": "1918-10-12T10:50:04+03:26", "utc": "1918-10-12T07:24:04Z", "ms": -1616430956485.3708 }, "end": { "local": "1918-10-12T11:38:04+03:26", "utc": "1918-10-12T08:12:04Z", "ms": -1616428076485.3708 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-10-13", "window": { "start": { "local": "1918-10-13T10:49:49+03:26", "utc": "1918-10-13T07:23:49Z", "ms": -1616344571341.3328 }, "end": { "local": "1918-10-13T11:37:49+03:26", "utc": "1918-10-13T08:11:49Z", "ms": -1616341691341.3328 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:20 on Sat 12 Oct to 20:16 on Sun 13 Oct.", "fact": "1918-10-12T16:55:26Z → 1918-10-13T16:51:26Z" }, { "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": "Aṣṭamī 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 31177 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Mashhad, 1918: Sunday 13 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": "1918-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-13", "confidence": "determinate" } ], "quote": "In Mashhad, Mahāṣṭamī (Durga Ashtami) 1918 falls on Sunday 13 October. Aṣṭamī runs from 20:20 on Sat 12 Oct to 20:16 on Sun 13 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27982, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1918-10-13T20:17:26+03:26", "utc": "1918-10-13T16:51:26Z", "ms": -1616310514351.438 }, "end": { "local": "1918-10-14T19:23:56+03:26", "utc": "1918-10-14T15:57:56Z", "ms": -1616227323720.9673 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-13T20:17:26+03:26", "utc": "1918-10-13T16:51:26Z", "ms": -1616310514351.438 }, "end": { "local": "1918-10-14T19:23:56+03:26", "utc": "1918-10-14T15:57:56Z", "ms": -1616227323720.9673 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-10-13", "window": { "start": { "local": "1918-10-13T10:49:49+03:26", "utc": "1918-10-13T07:23:49Z", "ms": -1616344571341.3328 }, "end": { "local": "1918-10-13T11:37:49+03:26", "utc": "1918-10-13T08:11:49Z", "ms": -1616341691341.3328 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-10-14", "window": { "start": { "local": "1918-10-14T10:49:34+03:26", "utc": "1918-10-14T07:23:34Z", "ms": -1616258185703.8086 }, "end": { "local": "1918-10-14T11:37:34+03:26", "utc": "1918-10-14T08:11:34Z", "ms": -1616255305703.8086 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 20:16 on Sun 13 Oct to 19:23 on Mon 14 Oct.", "fact": "1918-10-13T16:51:26Z → 1918-10-14T15:57:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:49–11:37 on the 13th, 10:49–11:37 on the 14th.", "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 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 27982 s" }, { "step": "ruling", "text": "Mahānavamī, Mashhad, 1918: Monday 14 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": "1918-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-14", "confidence": "determinate" } ], "quote": "In Mashhad, Mahānavamī 1918 falls on Monday 14 October. Navamī runs from 20:16 on Sun 13 Oct to 19:23 on Mon 14 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8990, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1918-10-14T19:23:56+03:26", "utc": "1918-10-14T15:57:56Z", "ms": -1616227323720.9673 }, "end": { "local": "1918-10-15T17:41:54+03:26", "utc": "1918-10-15T14:15:54Z", "ms": -1616147045647.6326 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1918-10-14T19:23:56+03:26", "utc": "1918-10-14T15:57:56Z", "ms": -1616227323720.9673 }, "end": { "local": "1918-10-15T08:32:29+03:26", "utc": "1918-10-15T05:06:29Z", "ms": -1616180011061.2922 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1918-10-14T09:12:08+03:26", "utc": "1918-10-14T05:46:08Z", "ms": -1616264032369.1519 }, "end": { "local": "1918-10-15T08:32:29+03:26", "utc": "1918-10-15T05:06:29Z", "ms": -1616180011061.2922 } } }, "kaala": "daytime", "days": [ { "local_date": "1918-10-14", "window": { "start": { "local": "1918-10-14T05:33:03+03:26", "utc": "1918-10-14T02:07:03Z", "ms": -1616277177339.4175 }, "end": { "local": "1918-10-14T16:54:06+03:26", "utc": "1918-10-14T13:28:06Z", "ms": -1616236314068.1995 } }, "covered_min": 0, "window_min": 681, "qualifies": false }, { "local_date": "1918-10-15", "window": { "start": { "local": "1918-10-15T05:33:56+03:26", "utc": "1918-10-15T02:07:56Z", "ms": -1616190724273.0913 }, "end": { "local": "1918-10-15T16:52:45+03:26", "utc": "1918-10-15T13:26:45Z", "ms": -1616149994836.3477 } }, "covered_min": 179, "window_min": 679, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 19:23 on Mon 14 Oct to 17:41 on Tue 15 Oct, and Śravaṇa from 09:11 on Mon 14 Oct to 08:31 on Tue 15 Oct. They are together from 19:23 on Mon 14 Oct to 08:31 on Tue 15 Oct.", "fact": "1918-10-14T15:57:56Z → 1918-10-15T05:06:29Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:32–16:53 on the 14th, 05:33–16:52 on the 15th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 681 minutes on the 14th and 179 of 679 on the 15th.", "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 8990 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Mashhad, 1918: Tuesday 15 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": "1918-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-15", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Daśamī (Dussehra) 1918 falls on Tuesday 15 October. Daśamī runs from 19:23 on Mon 14 Oct to 17:41 on Tue 15 Oct and is with Śravaṇa in the day time that day, for 179 minutes.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-10-16", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34857, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-10-15T17:41:54+03:26", "utc": "1918-10-15T14:15:54Z", "ms": -1616147045647.6326 }, "end": { "local": "1918-10-16T15:15:46+03:26", "utc": "1918-10-16T11:49:46Z", "ms": -1616069413940.2734 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-15T17:41:54+03:26", "utc": "1918-10-15T14:15:54Z", "ms": -1616147045647.6326 }, "end": { "local": "1918-10-16T15:15:46+03:26", "utc": "1918-10-16T11:49:46Z", "ms": -1616069413940.2734 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-10-15", "window": { "start": { "local": "1918-10-15T05:33:56+03:26", "utc": "1918-10-15T02:07:56Z", "ms": -1616190724273.0913 }, "end": { "local": "1918-10-15T05:33:56+03:26", "utc": "1918-10-15T02:07:56Z", "ms": -1616190724273.0913 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-10-16", "window": { "start": { "local": "1918-10-16T05:34:49+03:26", "utc": "1918-10-16T02:08:49Z", "ms": -1616104270886.2148 }, "end": { "local": "1918-10-16T05:34:49+03:26", "utc": "1918-10-16T02:08:49Z", "ms": -1616104270886.2148 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:41 on Tue 15 Oct to 15:15 on Wed 16 Oct.", "fact": "1918-10-15T14:15:54Z → 1918-10-16T11:49:46Z" }, { "step": "kaala", "text": "Sunrise is at 05:33 on the 15th and 05:34 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34857 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Mashhad, 1918: Wednesday 16 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": "1918-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-16", "confidence": "determinate" } ], "quote": "In Mashhad, Pāśāṅkuśā Ekādaśī 1918 falls on Wednesday 16 October. Ekādaśī runs from 17:41 on Tue 15 Oct to 15:15 on Wed 16 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-10-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16640, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-10-17T12:12:46+03:26", "utc": "1918-10-17T08:46:46Z", "ms": -1615993994239.5618 }, "end": { "local": "1918-10-18T08:42:07+03:26", "utc": "1918-10-18T05:16:07Z", "ms": -1615920232599.51 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1918-10-17T12:12:46+03:26", "utc": "1918-10-17T08:46:46Z", "ms": -1615993994239.5618 }, "end": { "local": "1918-10-18T08:42:07+03:26", "utc": "1918-10-18T05:16:07Z", "ms": -1615920232599.51 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-10-17", "window": { "start": { "local": "1918-10-17T16:50:06+03:26", "utc": "1918-10-17T13:24:06Z", "ms": -1615977354119.3137 }, "end": { "local": "1918-10-17T18:32:18+03:26", "utc": "1918-10-17T15:06:18Z", "ms": -1615971221986.5781 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1918-10-18", "window": { "start": { "local": "1918-10-18T16:48:47+03:26", "utc": "1918-10-18T13:22:47Z", "ms": -1615891032567.5671 }, "end": { "local": "1918-10-18T18:31:17+03:26", "utc": "1918-10-18T15:05:17Z", "ms": -1615884882722.8396 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:12 on Thu 17 Oct to 08:41 on Fri 18 Oct.", "fact": "1918-10-17T08:46:46Z → 1918-10-18T05:16:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:49–18:31 on the 17th, 16:48–18:30 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 17th and 0 of 102 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16640 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Thursday 17 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": "1918-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-17", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Thursday 17 October. Trayodaśī runs from 12:12 on Thu 17 Oct to 08:41 on Fri 18 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14803, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-10-22T14:32:23+03:26", "utc": "1918-10-22T11:06:23Z", "ms": -1615553616981.6223 }, "end": { "local": "1918-10-23T12:00:42+03:26", "utc": "1918-10-23T08:34:42Z", "ms": -1615476317992.9749 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-10-22T14:32:23+03:26", "utc": "1918-10-22T11:06:23Z", "ms": -1615553616981.6223 }, "end": { "local": "1918-10-23T12:00:42+03:26", "utc": "1918-10-23T08:34:42Z", "ms": -1615476317992.9749 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-10-22", "window": { "start": { "local": "1918-10-22T18:39:06+03:26", "utc": "1918-10-22T15:13:06Z", "ms": -1615538814253.1836 }, "end": { "local": "1918-10-22T18:39:06+03:26", "utc": "1918-10-22T15:13:06Z", "ms": -1615538814253.1836 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-10-23", "window": { "start": { "local": "1918-10-23T19:38:02+03:26", "utc": "1918-10-23T16:12:02Z", "ms": -1615448878018.1382 }, "end": { "local": "1918-10-23T19:38:02+03:26", "utc": "1918-10-23T16:12:02Z", "ms": -1615448878018.1382 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:31 on Tue 22 Oct to 12:00 on Wed 23 Oct.", "fact": "1918-10-22T11:06:23Z → 1918-10-23T08:34:42Z" }, { "step": "kaala", "text": "Moonrise is at 18:38 on the 22nd and 19:37 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.", "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 14803 s" }, { "step": "ruling", "text": "Karaka Caturthī, Mashhad, 1918: Tuesday 22 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": "1918-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-22", "confidence": "determinate" } ], "quote": "In Mashhad, Karaka Caturthī (Karwa Chauth) 1918 falls on Tuesday 22 October. Caturthī runs from 14:31 on Tue 22 Oct to 12:00 on Wed 23 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-10-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14803, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-10-22T14:32:23+03:26", "utc": "1918-10-22T11:06:23Z", "ms": -1615553616981.6223 }, "end": { "local": "1918-10-23T12:00:42+03:26", "utc": "1918-10-23T08:34:42Z", "ms": -1615476317992.9749 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-10-22T14:32:23+03:26", "utc": "1918-10-22T11:06:23Z", "ms": -1615553616981.6223 }, "end": { "local": "1918-10-23T12:00:42+03:26", "utc": "1918-10-23T08:34:42Z", "ms": -1615476317992.9749 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-10-22", "window": { "start": { "local": "1918-10-22T18:39:06+03:26", "utc": "1918-10-22T15:13:06Z", "ms": -1615538814253.1836 }, "end": { "local": "1918-10-22T18:39:06+03:26", "utc": "1918-10-22T15:13:06Z", "ms": -1615538814253.1836 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-10-23", "window": { "start": { "local": "1918-10-23T19:38:02+03:26", "utc": "1918-10-23T16:12:02Z", "ms": -1615448878018.1382 }, "end": { "local": "1918-10-23T19:38:02+03:26", "utc": "1918-10-23T16:12:02Z", "ms": -1615448878018.1382 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:31 on Tue 22 Oct to 12:00 on Wed 23 Oct.", "fact": "1918-10-22T11:06:23Z → 1918-10-23T08:34:42Z" }, { "step": "kaala", "text": "Moonrise is at 18:38 on the 22nd and 19:37 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14803 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Tuesday 22 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": "1918-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-22", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Tuesday 22 October. Caturthī runs from 14:31 on Tue 22 Oct to 12:00 on Wed 23 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38241, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1918-10-26T08:51:33+03:26", "utc": "1918-10-26T05:25:33Z", "ms": -1615228466578.5786 }, "end": { "local": "1918-10-27T09:21:34+03:26", "utc": "1918-10-27T05:55:34Z", "ms": -1615140266044.4844 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-10-26T08:51:33+03:26", "utc": "1918-10-26T05:25:33Z", "ms": -1615228466578.5786 }, "end": { "local": "1918-10-27T09:21:34+03:26", "utc": "1918-10-27T05:55:34Z", "ms": -1615140266044.4844 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-10-25", "window": { "start": { "local": "1918-10-25T21:42:37+03:26", "utc": "1918-10-25T18:16:37Z", "ms": -1615268602597.1711 }, "end": { "local": "1918-10-25T21:42:37+03:26", "utc": "1918-10-25T18:16:37Z", "ms": -1615268602597.1711 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-10-26", "window": { "start": { "local": "1918-10-26T22:44:12+03:26", "utc": "1918-10-26T19:18:12Z", "ms": -1615178507503.145 }, "end": { "local": "1918-10-26T22:44:12+03:26", "utc": "1918-10-26T19:18:12Z", "ms": -1615178507503.145 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:51 on Sat 26 Oct to 09:21 on Sun 27 Oct.", "fact": "1918-10-26T05:25:33Z → 1918-10-27T05:55:34Z" }, { "step": "kaala", "text": "Moonrise is at 21:42 on the 25th and 22:43 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38241 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Mashhad, 1918: Saturday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-26", "confidence": "determinate" } ], "quote": "In Mashhad, Ahoyī Aṣṭamī 1918 falls on Saturday 26 October. Aṣṭamī runs from 08:51 on Sat 26 Oct to 09:21 on Sun 27 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-10-30", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23385, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-10-29T12:16:40+03:26", "utc": "1918-10-29T08:50:40Z", "ms": -1614956959605.5044 }, "end": { "local": "1918-10-30T14:25:42+03:26", "utc": "1918-10-30T10:59:42Z", "ms": -1614862817653.9214 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-10-29T12:16:40+03:26", "utc": "1918-10-29T08:50:40Z", "ms": -1614956959605.5044 }, "end": { "local": "1918-10-30T14:25:42+03:26", "utc": "1918-10-30T10:59:42Z", "ms": -1614862817653.9214 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-10-29", "window": { "start": { "local": "1918-10-29T05:46:55+03:26", "utc": "1918-10-29T02:20:55Z", "ms": -1614980344721.2068 }, "end": { "local": "1918-10-29T05:46:55+03:26", "utc": "1918-10-29T02:20:55Z", "ms": -1614980344721.2068 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-10-30", "window": { "start": { "local": "1918-10-30T05:47:54+03:26", "utc": "1918-10-30T02:21:54Z", "ms": -1614893886337.0193 }, "end": { "local": "1918-10-30T05:47:54+03:26", "utc": "1918-10-30T02:21:54Z", "ms": -1614893886337.0193 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:16 on Tue 29 Oct to 14:25 on Wed 30 Oct.", "fact": "1918-10-29T08:50:40Z → 1918-10-30T10:59:42Z" }, { "step": "kaala", "text": "Sunrise is at 05:46 on the 29th and 05:47 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23385 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Mashhad, 1918: Wednesday 30 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": "1918-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-30", "confidence": "determinate" } ], "quote": "In Mashhad, Ramā Ekādaśī 1918 falls on Wednesday 30 October. Ekādaśī runs from 12:16 on Tue 29 Oct to 14:25 on Wed 30 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-10-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1045, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1918-10-30T14:25:42+03:26", "utc": "1918-10-30T10:59:42Z", "ms": -1614862817653.9214 }, "end": { "local": "1918-10-31T16:50:42+03:26", "utc": "1918-10-31T13:24:42Z", "ms": -1614767718360.3157 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-10-30T14:25:42+03:26", "utc": "1918-10-30T10:59:42Z", "ms": -1614862817653.9214 }, "end": { "local": "1918-10-31T16:50:42+03:26", "utc": "1918-10-31T13:24:42Z", "ms": -1614767718360.3157 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-10-30", "window": { "start": { "local": "1918-10-30T16:34:22+03:26", "utc": "1918-10-30T13:08:22Z", "ms": -1614855098240.336 }, "end": { "local": "1918-10-30T18:20:18+03:26", "utc": "1918-10-30T14:54:18Z", "ms": -1614848742158.1033 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1918-10-31", "window": { "start": { "local": "1918-10-31T16:33:17+03:26", "utc": "1918-10-31T13:07:17Z", "ms": -1614768763035.4717 }, "end": { "local": "1918-10-31T18:19:30+03:26", "utc": "1918-10-31T14:53:30Z", "ms": -1614762390443.3218 } }, "covered_min": 17, "window_min": 106, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:25 on Wed 30 Oct to 16:50 on Thu 31 Oct.", "fact": "1918-10-30T10:59:42Z → 1918-10-31T13:24:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:33–18:19 on the 30th, 16:32–18:18 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 30th and 17 of 106 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1045 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Mashhad, 1918: Wednesday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-10-30", "confidence": "determinate" } ], "quote": "In Mashhad, Govatsa Dvādaśī (Vasu Baras) 1918 falls on Wednesday 30 October. Dvādaśī runs from 14:25 on Wed 30 Oct to 16:50 on Thu 31 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 17 minutes; by the rule the first evening is taken.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-01", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1045, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-10-31T16:50:42+03:26", "utc": "1918-10-31T13:24:42Z", "ms": -1614767718360.3157 }, "end": { "local": "1918-11-01T19:23:37+03:26", "utc": "1918-11-01T15:57:37Z", "ms": -1614672142797.0063 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-10-31T16:50:42+03:26", "utc": "1918-10-31T13:24:42Z", "ms": -1614767718360.3157 }, "end": { "local": "1918-11-01T19:23:37+03:26", "utc": "1918-11-01T15:57:37Z", "ms": -1614672142797.0063 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-10-31", "window": { "start": { "local": "1918-10-31T16:33:17+03:26", "utc": "1918-10-31T13:07:17Z", "ms": -1614768763035.4717 }, "end": { "local": "1918-10-31T18:19:30+03:26", "utc": "1918-10-31T14:53:30Z", "ms": -1614762390443.3218 } }, "covered_min": 89, "window_min": 106, "qualifies": true }, { "local_date": "1918-11-01", "window": { "start": { "local": "1918-11-01T16:32:13+03:26", "utc": "1918-11-01T13:06:13Z", "ms": -1614682426551.5085 }, "end": { "local": "1918-11-01T18:18:42+03:26", "utc": "1918-11-01T14:52:42Z", "ms": -1614676037579.8826 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:50 on Thu 31 Oct to 19:23 on Fri 1 Nov.", "fact": "1918-10-31T13:24:42Z → 1918-11-01T15:57:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:32–18:18 on the 31st, 16:31–18:18 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 89 of 106 minutes on the 31st and 106 of 106 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1045 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Mashhad, 1918: Friday 1 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1918-11-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-01", "confidence": "boundary" } ], "quote": "In Mashhad, Yama Dīpadāna 1918 falls on Friday 1 November. Trayodaśī runs from 16:50 on Thu 31 Oct to 19:23 on Fri 1 Nov and covers all of pradoṣa that evening. It also reaches the previous evening for 89 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/1918/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/1918/pradosha-vrata?on=1918-11-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-01", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1045, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-10-31T16:50:42+03:26", "utc": "1918-10-31T13:24:42Z", "ms": -1614767718360.3157 }, "end": { "local": "1918-11-01T19:23:37+03:26", "utc": "1918-11-01T15:57:37Z", "ms": -1614672142797.0063 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-10-31T16:50:42+03:26", "utc": "1918-10-31T13:24:42Z", "ms": -1614767718360.3157 }, "end": { "local": "1918-11-01T19:23:37+03:26", "utc": "1918-11-01T15:57:37Z", "ms": -1614672142797.0063 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-10-31", "window": { "start": { "local": "1918-10-31T16:33:17+03:26", "utc": "1918-10-31T13:07:17Z", "ms": -1614768763035.4717 }, "end": { "local": "1918-10-31T18:19:30+03:26", "utc": "1918-10-31T14:53:30Z", "ms": -1614762390443.3218 } }, "covered_min": 89, "window_min": 106, "qualifies": true }, { "local_date": "1918-11-01", "window": { "start": { "local": "1918-11-01T16:32:13+03:26", "utc": "1918-11-01T13:06:13Z", "ms": -1614682426551.5085 }, "end": { "local": "1918-11-01T18:18:42+03:26", "utc": "1918-11-01T14:52:42Z", "ms": -1614676037579.8826 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:50 on Thu 31 Oct to 19:23 on Fri 1 Nov.", "fact": "1918-10-31T13:24:42Z → 1918-11-01T15:57:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:32–18:18 on the 31st, 16:31–18:18 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 89 of 106 minutes on the 31st and 106 of 106 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1045 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Friday 1 November.", "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": "1918-11-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-01", "confidence": "boundary" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Friday 1 November. Trayodaśī runs from 16:50 on Thu 31 Oct to 19:23 on Fri 1 Nov and covers all of pradoṣa that evening. It also reaches the previous evening for 89 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/1918/pradosha-vrata?on=1918-11-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/shivaratri?on=1918-11-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2991, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-11-01T19:23:37+03:26", "utc": "1918-11-01T15:57:37Z", "ms": -1614672142797.0063 }, "end": { "local": "1918-11-02T21:57:40+03:26", "utc": "1918-11-02T18:31:40Z", "ms": -1614576499794.2576 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-01T19:23:37+03:26", "utc": "1918-11-01T15:57:37Z", "ms": -1614672142797.0063 }, "end": { "local": "1918-11-02T21:57:40+03:26", "utc": "1918-11-02T18:31:40Z", "ms": -1614576499794.2576 } }, "kaala": "nishita", "days": [ { "local_date": "1918-11-01", "window": { "start": { "local": "1918-11-01T22:47:32+03:26", "utc": "1918-11-01T19:21:32Z", "ms": -1614659907907.9111 }, "end": { "local": "1918-11-01T23:35:32+03:26", "utc": "1918-11-01T20:09:32Z", "ms": -1614657027907.9111 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-02", "window": { "start": { "local": "1918-11-02T22:47:31+03:26", "utc": "1918-11-02T19:21:31Z", "ms": -1614573509204.3022 }, "end": { "local": "1918-11-02T23:35:31+03:26", "utc": "1918-11-02T20:09:31Z", "ms": -1614570629204.3022 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:23 on Fri 1 Nov to 21:57 on Sat 2 Nov.", "fact": "1918-11-01T15:57:37Z → 1918-11-02T18:31:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:47–23:35 on the 1st, 22:47–23:35 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2991 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Friday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-01", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Friday 1 November. Caturdaśī runs from 19:23 on Fri 1 Nov to 21:57 on Sat 2 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-11-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22045, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-11-01T19:23:37+03:26", "utc": "1918-11-01T15:57:37Z", "ms": -1614672142797.0063 }, "end": { "local": "1918-11-02T21:57:40+03:26", "utc": "1918-11-02T18:31:40Z", "ms": -1614576499794.2576 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-01T19:23:37+03:26", "utc": "1918-11-01T15:57:37Z", "ms": -1614672142797.0063 }, "end": { "local": "1918-11-02T21:57:40+03:26", "utc": "1918-11-02T18:31:40Z", "ms": -1614576499794.2576 } }, "kaala": "arunodaya", "days": [ { "local_date": "1918-11-02", "window": { "start": { "local": "1918-11-02T04:04:22+03:26", "utc": "1918-11-02T00:38:22Z", "ms": -1614640898235.9397 }, "end": { "local": "1918-11-02T05:50:51+03:26", "utc": "1918-11-02T02:24:51Z", "ms": -1614634509264.3137 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1918-11-03", "window": { "start": { "local": "1918-11-03T04:05:05+03:26", "utc": "1918-11-03T00:39:05Z", "ms": -1614554454864.5598 }, "end": { "local": "1918-11-03T05:51:50+03:26", "utc": "1918-11-03T02:25:50Z", "ms": -1614548049650.1082 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:23 on Fri 1 Nov to 21:57 on Sat 2 Nov.", "fact": "1918-11-01T15:57:37Z → 1918-11-02T18:31:40Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:03–05:50 on the 2nd, 04:04–05:51 on the 3rd.", "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 106 of 106 minutes on the 2nd and 0 of 107 on the 3rd.", "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 22045 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Mashhad, 1918: Saturday 2 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": "1918-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-02", "confidence": "determinate" } ], "quote": "In Mashhad, Naraka Caturdaśī (Choti Diwali) 1918 falls on Saturday 2 November. Caturdaśī runs from 19:23 on Fri 1 Nov to 21:57 on Sat 2 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-02", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2991, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1918-11-02T21:57:40+03:26", "utc": "1918-11-02T18:31:40Z", "ms": -1614576499794.2576 }, "end": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-02T21:57:40+03:26", "utc": "1918-11-02T18:31:40Z", "ms": -1614576499794.2576 }, "end": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 } }, "kaala": "nishita", "days": [ { "local_date": "1918-11-02", "window": { "start": { "local": "1918-11-02T22:47:31+03:26", "utc": "1918-11-02T19:21:31Z", "ms": -1614573509204.3022 }, "end": { "local": "1918-11-02T23:35:31+03:26", "utc": "1918-11-02T20:09:31Z", "ms": -1614570629204.3022 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-03", "window": { "start": { "local": "1918-11-03T22:47:30+03:26", "utc": "1918-11-03T19:21:30Z", "ms": -1614487109698.4277 }, "end": { "local": "1918-11-03T23:35:30+03:26", "utc": "1918-11-03T20:09:30Z", "ms": -1614484229698.4277 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 21:57 on Sat 2 Nov to 00:26 on Mon 4 Nov.", "fact": "1918-11-02T18:31:40Z → 1918-11-03T21:01:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:47–23:35 on the 2nd, 22:47–23:35 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "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 2991 s" }, { "step": "ruling", "text": "Kālī Pūjā, Mashhad, 1918: Saturday 2 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1918-11-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-03", "confidence": "boundary" } ], "quote": "In Mashhad, Kālī Pūjā 1918 falls on Saturday 2 November. Amāvasyā runs from 21:57 on Sat 2 Nov to 00:26 on Mon 4 Nov 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/1918/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/1918/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13184, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1918-11-02T21:57:40+03:26", "utc": "1918-11-02T18:31:40Z", "ms": -1614576499794.2576 }, "end": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-02T21:57:40+03:26", "utc": "1918-11-02T18:31:40Z", "ms": -1614576499794.2576 }, "end": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-11-02", "window": { "start": { "local": "1918-11-02T16:31:11+03:26", "utc": "1918-11-02T13:05:11Z", "ms": -1614596088758.496 }, "end": { "local": "1918-11-02T18:17:56+03:26", "utc": "1918-11-02T14:51:56Z", "ms": -1614589683544.0444 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1918-11-03", "window": { "start": { "local": "1918-11-03T16:30:10+03:26", "utc": "1918-11-03T13:04:10Z", "ms": -1614509749626.915 }, "end": { "local": "1918-11-03T18:17:12+03:26", "utc": "1918-11-03T14:51:12Z", "ms": -1614503328312.6516 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 21:57 on Sat 2 Nov to 00:26 on Mon 4 Nov.", "fact": "1918-11-02T18:31:40Z → 1918-11-03T21:01:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:30–18:17 on the 2nd, 16:29–18:16 on the 3rd.", "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 107 minutes on the 2nd and 107 of 107 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13184 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Mashhad, 1918: Sunday 3 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": "1918-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-03", "confidence": "determinate" } ], "quote": "In Mashhad, Lakṣmī Pūjā (Diwali) 1918 falls on Sunday 3 November. Amāvasyā runs from 21:57 on Sat 2 Nov to 00:26 on Mon 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28800, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 }, "end": { "local": "1918-11-05T02:47:02+03:26", "utc": "1918-11-04T23:21:02Z", "ms": -1614386338019.925 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 }, "end": { "local": "1918-11-05T02:47:02+03:26", "utc": "1918-11-04T23:21:02Z", "ms": -1614386338019.925 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-11-04", "window": { "start": { "local": "1918-11-04T10:47:01+03:26", "utc": "1918-11-04T07:21:01Z", "ms": -1614443939448.795 }, "end": { "local": "1918-11-04T11:35:01+03:26", "utc": "1918-11-04T08:09:01Z", "ms": -1614441059448.795 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-05", "window": { "start": { "local": "1918-11-05T10:47:02+03:26", "utc": "1918-11-05T07:21:02Z", "ms": -1614357538437.7556 }, "end": { "local": "1918-11-05T11:35:02+03:26", "utc": "1918-11-05T08:09:02Z", "ms": -1614354658437.7556 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:26 on Mon 4 Nov to 02:46 on Tue 5 Nov.", "fact": "1918-11-03T21:01:09Z → 1918-11-04T23:21:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 4th, 10:46–11:34 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 28800 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Mashhad, 1918: Monday 4 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": "1918-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-04", "confidence": "determinate" } ], "quote": "In Mashhad, Govardhana Pūjā 1918 falls on Monday 4 November. Pratipadā runs from 00:26 on Mon 4 Nov to 02:46 on Tue 5 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22197, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 }, "end": { "local": "1918-11-05T02:47:02+03:26", "utc": "1918-11-04T23:21:02Z", "ms": -1614386338019.925 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 }, "end": { "local": "1918-11-05T02:47:02+03:26", "utc": "1918-11-04T23:21:02Z", "ms": -1614386338019.925 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-11-03", "window": { "start": { "local": "1918-11-03T16:30:10+03:26", "utc": "1918-11-03T13:04:10Z", "ms": -1614509749626.915 }, "end": { "local": "1918-11-03T18:17:12+03:26", "utc": "1918-11-03T14:51:12Z", "ms": -1614503328312.6516 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1918-11-04", "window": { "start": { "local": "1918-11-04T16:29:11+03:26", "utc": "1918-11-04T13:03:11Z", "ms": -1614423409127.6497 }, "end": { "local": "1918-11-04T18:16:28+03:26", "utc": "1918-11-04T14:50:28Z", "ms": -1614416971863.1062 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:26 on Mon 4 Nov to 02:46 on Tue 5 Nov.", "fact": "1918-11-03T21:01:09Z → 1918-11-04T23:21:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:29–18:16 on the 3rd, 16:28–18:15 on the 4th.", "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 107 minutes on the 3rd and 107 of 107 on the 4th.", "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 22197 s" }, { "step": "ruling", "text": "Bali Pūjā, Mashhad, 1918: Monday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1918-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-04", "confidence": "determinate" } ], "quote": "In Mashhad, Bali Pūjā 1918 falls on Monday 4 November. Pratipadā runs from 00:26 on Mon 4 Nov to 02:46 on Tue 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11208, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 }, "end": { "local": "1918-11-05T02:47:02+03:26", "utc": "1918-11-04T23:21:02Z", "ms": -1614386338019.925 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-04T00:27:09+03:26", "utc": "1918-11-03T21:01:09Z", "ms": -1614481131185.5054 }, "end": { "local": "1918-11-05T02:47:02+03:26", "utc": "1918-11-04T23:21:02Z", "ms": -1614386338019.925 } }, "kaala": "purvahna", "days": [ { "local_date": "1918-11-04", "window": { "start": { "local": "1918-11-04T05:52:50+03:26", "utc": "1918-11-04T02:26:50Z", "ms": -1614461589769.9402 }, "end": { "local": "1918-11-04T09:24:57+03:26", "utc": "1918-11-04T05:58:57Z", "ms": -1614448862889.1768 } }, "covered_min": 212, "window_min": 212, "qualifies": true }, { "local_date": "1918-11-05", "window": { "start": { "local": "1918-11-05T05:53:50+03:26", "utc": "1918-11-05T02:27:50Z", "ms": -1614375129643.5745 }, "end": { "local": "1918-11-05T09:25:18+03:26", "utc": "1918-11-05T05:59:18Z", "ms": -1614362442173.0286 } }, "covered_min": 0, "window_min": 211, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:26 on Mon 4 Nov to 02:46 on Tue 5 Nov.", "fact": "1918-11-03T21:01:09Z → 1918-11-04T23:21:02Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:52–09:24 on the 4th, 05:53–09:24 on the 5th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 212 of 212 minutes on the 4th and 0 of 211 on the 5th.", "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 11208 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Mashhad, 1918: Monday 4 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": "1918-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-04", "confidence": "determinate" } ], "quote": "In Mashhad, Dyūta Pratipad 1918 falls on Monday 4 November. Pratipadā runs from 00:26 on Mon 4 Nov to 02:46 on Tue 5 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21276, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1918-11-05T02:47:02+03:26", "utc": "1918-11-04T23:21:02Z", "ms": -1614386338019.925 }, "end": { "local": "1918-11-06T04:52:27+03:26", "utc": "1918-11-06T01:26:27Z", "ms": -1614292413096.7485 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-05T02:47:02+03:26", "utc": "1918-11-04T23:21:02Z", "ms": -1614386338019.925 }, "end": { "local": "1918-11-06T04:52:27+03:26", "utc": "1918-11-06T01:26:27Z", "ms": -1614292413096.7485 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-11-05", "window": { "start": { "local": "1918-11-05T10:47:02+03:26", "utc": "1918-11-05T07:21:02Z", "ms": -1614357538437.7556 }, "end": { "local": "1918-11-05T11:35:02+03:26", "utc": "1918-11-05T08:09:02Z", "ms": -1614354658437.7556 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-06", "window": { "start": { "local": "1918-11-06T10:47:03+03:26", "utc": "1918-11-06T07:21:03Z", "ms": -1614271136601.7969 }, "end": { "local": "1918-11-06T11:35:03+03:26", "utc": "1918-11-06T08:09:03Z", "ms": -1614268256601.7969 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:46 on Tue 5 Nov to 04:51 on Wed 6 Nov.", "fact": "1918-11-04T23:21:02Z → 1918-11-06T01:26:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 5th, 10:46–11:34 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21276 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Mashhad, 1918: Tuesday 5 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": "1918-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-05", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Dvitīyā (Bhai Dooj) 1918 falls on Tuesday 5 November. Dvitīyā runs from 02:46 on Tue 5 Nov to 04:51 on Wed 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10093, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-11-07T06:38:15+03:26", "utc": "1918-11-07T03:12:15Z", "ms": -1614199665053.6682 }, "end": { "local": "1918-11-08T07:58:57+03:26", "utc": "1918-11-08T04:32:57Z", "ms": -1614108423005.7446 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-07T06:38:15+03:26", "utc": "1918-11-07T03:12:15Z", "ms": -1614199665053.6682 }, "end": { "local": "1918-11-08T07:58:57+03:26", "utc": "1918-11-08T04:32:57Z", "ms": -1614108423005.7446 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-11-07", "window": { "start": { "local": "1918-11-07T10:47:06+03:26", "utc": "1918-11-07T07:21:06Z", "ms": -1614184733938.1543 }, "end": { "local": "1918-11-07T11:35:06+03:26", "utc": "1918-11-07T08:09:06Z", "ms": -1614181853938.1543 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-08", "window": { "start": { "local": "1918-11-08T10:47:10+03:26", "utc": "1918-11-08T07:21:10Z", "ms": -1614098330444.8042 }, "end": { "local": "1918-11-08T11:35:10+03:26", "utc": "1918-11-08T08:09:10Z", "ms": -1614095450444.8042 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:37 on Thu 7 Nov to 07:58 on Fri 8 Nov.", "fact": "1918-11-07T03:12:15Z → 1918-11-08T04:32:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 7th, 10:46–11:34 on the 8th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10093 s" }, { "step": "ruling", "text": "Nāga Caturthī, Mashhad, 1918: Thursday 7 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": "1918-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-07", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Caturthī 1918 falls on Thursday 7 November. Caturthī runs from 06:37 on Thu 7 Nov to 07:58 on Fri 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/vinayaka-chaturthi?on=1918-11-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10093, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-11-07T06:38:15+03:26", "utc": "1918-11-07T03:12:15Z", "ms": -1614199665053.6682 }, "end": { "local": "1918-11-08T07:58:57+03:26", "utc": "1918-11-08T04:32:57Z", "ms": -1614108423005.7446 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-07T06:38:15+03:26", "utc": "1918-11-07T03:12:15Z", "ms": -1614199665053.6682 }, "end": { "local": "1918-11-08T07:58:57+03:26", "utc": "1918-11-08T04:32:57Z", "ms": -1614108423005.7446 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-11-07", "window": { "start": { "local": "1918-11-07T10:47:06+03:26", "utc": "1918-11-07T07:21:06Z", "ms": -1614184733938.1543 }, "end": { "local": "1918-11-07T11:35:06+03:26", "utc": "1918-11-07T08:09:06Z", "ms": -1614181853938.1543 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-08", "window": { "start": { "local": "1918-11-08T10:47:10+03:26", "utc": "1918-11-08T07:21:10Z", "ms": -1614098330444.8042 }, "end": { "local": "1918-11-08T11:35:10+03:26", "utc": "1918-11-08T08:09:10Z", "ms": -1614095450444.8042 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:37 on Thu 7 Nov to 07:58 on Fri 8 Nov.", "fact": "1918-11-07T03:12:15Z → 1918-11-08T04:32:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 7th, 10:46–11:34 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10093 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Thursday 7 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": "1918-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-07", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Thursday 7 November. Caturthī runs from 06:37 on Thu 7 Nov to 07:58 on Fri 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-11-07", "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/1918/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6221, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1918-11-09T08:49:03+03:26", "utc": "1918-11-09T05:23:03Z", "ms": -1614019017467.7576 }, "end": { "local": "1918-11-10T09:03:38+03:26", "utc": "1918-11-10T05:37:38Z", "ms": -1613931741745.816 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-09T08:49:03+03:26", "utc": "1918-11-09T05:23:03Z", "ms": -1614019017467.7576 }, "end": { "local": "1918-11-10T09:03:38+03:26", "utc": "1918-11-10T05:37:38Z", "ms": -1613931741745.816 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-11-09", "window": { "start": { "local": "1918-11-09T10:47:14+03:26", "utc": "1918-11-09T07:21:14Z", "ms": -1614011926120.3706 }, "end": { "local": "1918-11-09T11:35:14+03:26", "utc": "1918-11-09T08:09:14Z", "ms": -1614009046120.3706 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-10", "window": { "start": { "local": "1918-11-10T10:47:19+03:26", "utc": "1918-11-10T07:21:19Z", "ms": -1613925520964.0015 }, "end": { "local": "1918-11-10T11:35:19+03:26", "utc": "1918-11-10T08:09:19Z", "ms": -1613922640964.0015 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:48 on Sat 9 Nov to 09:03 on Sun 10 Nov.", "fact": "1918-11-09T05:23:03Z → 1918-11-10T05:37:38Z" }, { "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": "Ṣaṣṭhī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6221 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Mashhad, 1918: Saturday 9 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": "1918-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-09", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Chhath) 1918 falls on Saturday 9 November. Ṣaṣṭhī runs from 08:48 on Sat 9 Nov to 09:03 on Sun 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7690, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1918-11-11T08:39:15+03:26", "utc": "1918-11-11T05:13:15Z", "ms": -1613846805403.992 }, "end": { "local": "1918-11-12T07:34:26+03:26", "utc": "1918-11-12T04:08:26Z", "ms": -1613764294264.9497 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-11T08:39:15+03:26", "utc": "1918-11-11T05:13:15Z", "ms": -1613846805403.992 }, "end": { "local": "1918-11-12T07:34:26+03:26", "utc": "1918-11-12T04:08:26Z", "ms": -1613764294264.9497 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-11-11", "window": { "start": { "local": "1918-11-11T10:47:25+03:26", "utc": "1918-11-11T07:21:25Z", "ms": -1613839114975.233 }, "end": { "local": "1918-11-11T11:35:25+03:26", "utc": "1918-11-11T08:09:25Z", "ms": -1613836234975.233 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-12", "window": { "start": { "local": "1918-11-12T10:47:32+03:26", "utc": "1918-11-12T07:21:32Z", "ms": -1613752708153.8208 }, "end": { "local": "1918-11-12T11:35:32+03:26", "utc": "1918-11-12T08:09:32Z", "ms": -1613749828153.8208 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:38 on Mon 11 Nov to 07:33 on Tue 12 Nov.", "fact": "1918-11-11T05:13:15Z → 1918-11-12T04:08:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 11th, 10:47–11:35 on the 12th.", "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 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: unstated → only-day · margin 7690 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Mashhad, 1918: Monday 11 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": "1918-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-11", "confidence": "determinate" } ], "quote": "In Mashhad, Gopāṣṭamī 1918 falls on Monday 11 November. Aṣṭamī runs from 08:38 on Mon 11 Nov to 07:33 on Tue 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 705, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1918-11-12T07:34:26+03:26", "utc": "1918-11-12T04:08:26Z", "ms": -1613764294264.9497 }, "end": { "local": "1918-11-13T05:50:12+03:26", "utc": "1918-11-13T02:24:12Z", "ms": -1613684148032.1475 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-12T07:34:26+03:26", "utc": "1918-11-12T04:08:26Z", "ms": -1613764294264.9497 }, "end": { "local": "1918-11-13T05:50:12+03:26", "utc": "1918-11-13T02:24:12Z", "ms": -1613684148032.1475 } }, "kaala": "purvahna", "days": [ { "local_date": "1918-11-12", "window": { "start": { "local": "1918-11-12T06:00:56+03:26", "utc": "1918-11-12T02:34:56Z", "ms": -1613769903819.9011 }, "end": { "local": "1918-11-12T09:28:00+03:26", "utc": "1918-11-12T06:02:00Z", "ms": -1613757480042.5142 } }, "covered_min": 114, "window_min": 207, "qualifies": true }, { "local_date": "1918-11-13", "window": { "start": { "local": "1918-11-13T06:01:57+03:26", "utc": "1918-11-13T02:35:57Z", "ms": -1613683442594.9414 }, "end": { "local": "1918-11-13T09:28:25+03:26", "utc": "1918-11-13T06:02:25Z", "ms": -1613671054531.3494 } }, "covered_min": 0, "window_min": 206, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:33 on Tue 12 Nov to 05:49 on Wed 13 Nov.", "fact": "1918-11-12T04:08:26Z → 1918-11-13T02:24:12Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:00–09:27 on the 12th, 06:01–09:27 on the 13th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 114 of 207 minutes on the 12th and 0 of 206 on the 13th.", "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 705 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Mashhad, 1918: Tuesday 12 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": "1918-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-12", "confidence": "determinate" } ], "quote": "In Mashhad, Akṣaya Navamī (Amla Navami) 1918 falls on Tuesday 12 November. Navamī runs from 07:33 on Tue 12 Nov to 05:49 on Wed 13 Nov and covers 114 of 207 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11586, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1918-11-12T07:34:26+03:26", "utc": "1918-11-12T04:08:26Z", "ms": -1613764294264.9497 }, "end": { "local": "1918-11-13T05:50:12+03:26", "utc": "1918-11-13T02:24:12Z", "ms": -1613684148032.1475 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-12T07:34:26+03:26", "utc": "1918-11-12T04:08:26Z", "ms": -1613764294264.9497 }, "end": { "local": "1918-11-13T05:50:12+03:26", "utc": "1918-11-13T02:24:12Z", "ms": -1613684148032.1475 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-11-12", "window": { "start": { "local": "1918-11-12T10:47:32+03:26", "utc": "1918-11-12T07:21:32Z", "ms": -1613752708153.8208 }, "end": { "local": "1918-11-12T11:35:32+03:26", "utc": "1918-11-12T08:09:32Z", "ms": -1613749828153.8208 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-13", "window": { "start": { "local": "1918-11-13T10:47:40+03:26", "utc": "1918-11-13T07:21:40Z", "ms": -1613666300499.5532 }, "end": { "local": "1918-11-13T11:35:40+03:26", "utc": "1918-11-13T08:09:40Z", "ms": -1613663420499.5532 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:33 on Tue 12 Nov to 05:49 on Wed 13 Nov.", "fact": "1918-11-12T04:08:26Z → 1918-11-13T02:24:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:47–11:35 on the 12th, 10:47–11:35 on the 13th.", "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 12th and 0 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 11586 s" }, { "step": "ruling", "text": "Durgā Navamī, Mashhad, 1918: Tuesday 12 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": "1918-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-12", "confidence": "determinate" } ], "quote": "In Mashhad, Durgā Navamī 1918 falls on Tuesday 12 November. Navamī runs from 07:33 on Tue 12 Nov to 05:49 on Wed 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-11-14", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9178, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-11-14T03:30:01+03:26", "utc": "1918-11-14T00:04:01Z", "ms": -1613606159094.9731 }, "end": { "local": "1918-11-15T00:39:31+03:26", "utc": "1918-11-14T21:13:31Z", "ms": -1613529988768.7498 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-14T03:30:01+03:26", "utc": "1918-11-14T00:04:01Z", "ms": -1613606159094.9731 }, "end": { "local": "1918-11-15T00:39:31+03:26", "utc": "1918-11-14T21:13:31Z", "ms": -1613529988768.7498 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-11-14", "window": { "start": { "local": "1918-11-14T06:02:59+03:26", "utc": "1918-11-14T02:36:59Z", "ms": -1613596981354.7527 }, "end": { "local": "1918-11-14T06:02:59+03:26", "utc": "1918-11-14T02:36:59Z", "ms": -1613596981354.7527 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-11-15", "window": { "start": { "local": "1918-11-15T06:04:00+03:26", "utc": "1918-11-15T02:38:00Z", "ms": -1613510520127.0872 }, "end": { "local": "1918-11-15T06:04:00+03:26", "utc": "1918-11-15T02:38:00Z", "ms": -1613510520127.0872 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:29 on Thu 14 Nov to 00:39 on Fri 15 Nov.", "fact": "1918-11-14T00:04:01Z → 1918-11-14T21:13:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 14th and 06:03 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9178 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Mashhad, 1918: Thursday 14 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": "1918-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-14", "confidence": "determinate" } ], "quote": "In Mashhad, Prabodhinī Ekādaśī 1918 falls on Thursday 14 November. Ekādaśī runs from 03:29 on Thu 14 Nov to 00:39 on Fri 15 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-11-14", "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/1918/pradosha-vrata?on=1918-11-16", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 662, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-11-15T21:26:07+03:26", "utc": "1918-11-15T18:00:07Z", "ms": -1613455193475.2993 }, "end": { "local": "1918-11-16T17:58:26+03:26", "utc": "1918-11-16T14:32:26Z", "ms": -1613381253658.489 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-15T21:26:07+03:26", "utc": "1918-11-15T18:00:07Z", "ms": -1613455193475.2993 }, "end": { "local": "1918-11-16T17:58:26+03:26", "utc": "1918-11-16T14:32:26Z", "ms": -1613381253658.489 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-11-15", "window": { "start": { "local": "1918-11-15T16:19:55+03:26", "utc": "1918-11-15T12:53:55Z", "ms": -1613473565254.2532 }, "end": { "local": "1918-11-15T18:09:56+03:26", "utc": "1918-11-15T14:43:56Z", "ms": -1613466964412.189 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "1918-11-16", "window": { "start": { "local": "1918-11-16T16:19:14+03:26", "utc": "1918-11-16T12:53:14Z", "ms": -1613387206130.0107 }, "end": { "local": "1918-11-16T18:09:28+03:26", "utc": "1918-11-16T14:43:28Z", "ms": -1613380591688.403 } }, "covered_min": 99, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:25 on Fri 15 Nov to 17:57 on Sat 16 Nov.", "fact": "1918-11-15T18:00:07Z → 1918-11-16T14:32:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:19–18:09 on the 15th, 16:18–18:08 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 15th and 99 of 110 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 662 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Saturday 16 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": "1918-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-16", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Saturday 16 November. Trayodaśī runs from 21:25 on Fri 15 Nov to 17:57 on Sat 16 Nov and covers 99 of 110 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-11-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30170, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-11-17T14:25:59+03:26", "utc": "1918-11-17T10:59:59Z", "ms": -1613307600935.4543 }, "end": { "local": "1918-11-18T10:58:38+03:26", "utc": "1918-11-18T07:32:38Z", "ms": -1613233642199.7869 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-17T14:25:59+03:26", "utc": "1918-11-17T10:59:59Z", "ms": -1613307600935.4543 }, "end": { "local": "1918-11-18T10:58:38+03:26", "utc": "1918-11-18T07:32:38Z", "ms": -1613233642199.7869 } }, "kaala": "nishita", "days": [ { "local_date": "1918-11-17", "window": { "start": { "local": "1918-11-17T22:48:49+03:26", "utc": "1918-11-17T19:22:49Z", "ms": -1613277431028.9238 }, "end": { "local": "1918-11-17T23:36:49+03:26", "utc": "1918-11-17T20:10:49Z", "ms": -1613274551028.9238 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-11-18", "window": { "start": { "local": "1918-11-18T22:49:01+03:26", "utc": "1918-11-18T19:23:01Z", "ms": -1613191019261.219 }, "end": { "local": "1918-11-18T23:37:01+03:26", "utc": "1918-11-18T20:11:01Z", "ms": -1613188139261.219 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:25 on Sun 17 Nov to 10:58 on Mon 18 Nov.", "fact": "1918-11-17T10:59:59Z → 1918-11-18T07:32:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:48–23:36 on the 17th, 22:48–23:36 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30170 s" }, { "step": "ruling", "text": "Rāsayātrā, Mashhad, 1918: Sunday 17 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": "1918-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-17", "confidence": "determinate" } ], "quote": "In Mashhad, Rāsayātrā 1918 falls on Sunday 17 November. Pūrṇimā runs from 14:25 on Sun 17 Nov to 10:58 on Mon 18 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 608, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-11-17T14:25:59+03:26", "utc": "1918-11-17T10:59:59Z", "ms": -1613307600935.4543 }, "end": { "local": "1918-11-18T10:58:38+03:26", "utc": "1918-11-18T07:32:38Z", "ms": -1613233642199.7869 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1918-11-17T14:25:59+03:26", "utc": "1918-11-17T10:59:59Z", "ms": -1613307600935.4543 }, "end": { "local": "1918-11-18T10:58:38+03:26", "utc": "1918-11-18T07:32:38Z", "ms": -1613233642199.7869 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-11-17", "window": { "start": { "local": "1918-11-17T10:48:18+03:26", "utc": "1918-11-17T07:22:18Z", "ms": -1613320661542.0593 }, "end": { "local": "1918-11-17T11:36:18+03:26", "utc": "1918-11-17T08:10:18Z", "ms": -1613317781542.0593 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-11-18", "window": { "start": { "local": "1918-11-18T10:48:30+03:26", "utc": "1918-11-18T07:22:30Z", "ms": -1613234249712.7 }, "end": { "local": "1918-11-18T11:36:30+03:26", "utc": "1918-11-18T08:10:30Z", "ms": -1613231369712.7 } }, "covered_min": 10, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:25 on Sun 17 Nov to 10:58 on Mon 18 Nov.", "fact": "1918-11-17T10:59:59Z → 1918-11-18T07:32:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:47–11:35 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": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 10 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: unstated → only-day · margin 608 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Mashhad, 1918: Monday 18 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": "1918-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-18", "confidence": "determinate" } ], "quote": "In Mashhad, Kārtikī Pūrṇimā 1918 falls on Monday 18 November. Pūrṇimā runs from 14:25 on Sun 17 Nov to 10:58 on Mon 18 Nov and covers 10 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-11-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20677, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-11-21T02:44:11+03:26", "utc": "1918-11-20T23:18:11Z", "ms": -1613004108740.0615 }, "end": { "local": "1918-11-22T01:10:30+03:26", "utc": "1918-11-21T21:44:30Z", "ms": -1612923329639.746 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-11-21T02:44:11+03:26", "utc": "1918-11-20T23:18:11Z", "ms": -1613004108740.0615 }, "end": { "local": "1918-11-22T01:10:30+03:26", "utc": "1918-11-21T21:44:30Z", "ms": -1612923329639.746 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-11-20", "window": { "start": { "local": "1918-11-20T18:21:12+03:26", "utc": "1918-11-20T14:55:12Z", "ms": -1613034288110.554 }, "end": { "local": "1918-11-20T18:21:12+03:26", "utc": "1918-11-20T14:55:12Z", "ms": -1613034288110.554 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-11-21", "window": { "start": { "local": "1918-11-21T19:25:54+03:26", "utc": "1918-11-21T15:59:54Z", "ms": -1612944006239.7593 }, "end": { "local": "1918-11-21T19:25:54+03:26", "utc": "1918-11-21T15:59:54Z", "ms": -1612944006239.7593 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:43 on Thu 21 Nov to 01:10 on Fri 22 Nov.", "fact": "1918-11-20T23:18:11Z → 1918-11-21T21:44:30Z" }, { "step": "kaala", "text": "Moonrise is at 18:20 on the 20th and 19:25 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20677 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Thursday 21 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": "1918-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-21", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Thursday 21 November. Caturthī runs from 02:43 on Thu 21 Nov to 01:10 on Fri 22 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-11-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/ekadashi?on=1918-11-29", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3177, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-11-28T07:09:58+03:26", "utc": "1918-11-28T03:43:58Z", "ms": -1612383362313.7502 }, "end": { "local": "1918-11-29T09:46:45+03:26", "utc": "1918-11-29T06:20:45Z", "ms": -1612287555033.1907 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-11-28T07:09:58+03:26", "utc": "1918-11-28T03:43:58Z", "ms": -1612383362313.7502 }, "end": { "local": "1918-11-29T09:46:45+03:26", "utc": "1918-11-29T06:20:45Z", "ms": -1612287555033.1907 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-11-28", "window": { "start": { "local": "1918-11-28T06:17:01+03:26", "utc": "1918-11-28T02:51:01Z", "ms": -1612386539165.9927 }, "end": { "local": "1918-11-28T06:17:01+03:26", "utc": "1918-11-28T02:51:01Z", "ms": -1612386539165.9927 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-11-29", "window": { "start": { "local": "1918-11-29T06:17:58+03:26", "utc": "1918-11-29T02:51:58Z", "ms": -1612300081564.4155 }, "end": { "local": "1918-11-29T06:17:58+03:26", "utc": "1918-11-29T02:51:58Z", "ms": -1612300081564.4155 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:09 on Thu 28 Nov to 09:46 on Fri 29 Nov.", "fact": "1918-11-28T03:43:58Z → 1918-11-29T06:20:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 28th and 06:17 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3177 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Mashhad, 1918: Friday 29 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": "1918-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-29", "confidence": "determinate" } ], "quote": "In Mashhad, Utpannā Ekādaśī 1918 falls on Friday 29 November. Ekādaśī runs from 07:09 on Thu 28 Nov to 09:46 on Fri 29 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-11-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/pradosha-vrata?on=1918-11-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5015, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-11-30T12:22:59+03:26", "utc": "1918-11-30T08:56:59Z", "ms": -1612191780749.972 }, "end": { "local": "1918-12-01T14:49:09+03:26", "utc": "1918-12-01T11:23:09Z", "ms": -1612096611420.4705 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-11-30T12:22:59+03:26", "utc": "1918-11-30T08:56:59Z", "ms": -1612191780749.972 }, "end": { "local": "1918-12-01T14:49:09+03:26", "utc": "1918-12-01T11:23:09Z", "ms": -1612096611420.4705 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-11-30", "window": { "start": { "local": "1918-11-30T16:12:56+03:26", "utc": "1918-11-30T12:46:56Z", "ms": -1612177983779.9517 }, "end": { "local": "1918-11-30T18:05:52+03:26", "utc": "1918-11-30T14:39:52Z", "ms": -1612171208362.2568 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "1918-12-01", "window": { "start": { "local": "1918-12-01T16:12:44+03:26", "utc": "1918-12-01T12:46:44Z", "ms": -1612091596036.2676 }, "end": { "local": "1918-12-01T18:05:48+03:26", "utc": "1918-12-01T14:39:48Z", "ms": -1612084811555.9377 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:22 on Sat 30 Nov to 14:48 on Sun 1 Dec.", "fact": "1918-11-30T08:56:59Z → 1918-12-01T11:23:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:12–18:05 on the 30th, 16:12–18:05 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 113 of 113 minutes on the 30th and 0 of 113 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 5015 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Saturday 30 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": "1918-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-11-30", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Saturday 30 November. Trayodaśī runs from 12:22 on Sat 30 Nov to 14:48 on Sun 1 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-11-30", "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/1918/shivaratri?on=1918-12-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21305, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-12-01T14:49:09+03:26", "utc": "1918-12-01T11:23:09Z", "ms": -1612096611420.4705 }, "end": { "local": "1918-12-02T16:58:03+03:26", "utc": "1918-12-02T13:32:03Z", "ms": -1612002477205.5752 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-01T14:49:09+03:26", "utc": "1918-12-01T11:23:09Z", "ms": -1612096611420.4705 }, "end": { "local": "1918-12-02T16:58:03+03:26", "utc": "1918-12-02T13:32:03Z", "ms": -1612002477205.5752 } }, "kaala": "nishita", "days": [ { "local_date": "1918-12-01", "window": { "start": { "local": "1918-12-01T22:52:46+03:26", "utc": "1918-12-01T19:26:46Z", "ms": -1612067594235.0308 }, "end": { "local": "1918-12-01T23:40:46+03:26", "utc": "1918-12-01T20:14:46Z", "ms": -1612064714235.0308 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-12-02", "window": { "start": { "local": "1918-12-02T22:53:08+03:26", "utc": "1918-12-02T19:27:08Z", "ms": -1611981171859.8816 }, "end": { "local": "1918-12-02T23:41:08+03:26", "utc": "1918-12-02T20:15:08Z", "ms": -1611978291859.8816 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:48 on Sun 1 Dec to 16:57 on Mon 2 Dec.", "fact": "1918-12-01T11:23:09Z → 1918-12-02T13:32:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:52–23:40 on the 1st, 22:52–23:40 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21305 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Sunday 1 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": "1918-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-01", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Sunday 1 December. Caturdaśī runs from 14:48 on Sun 1 Dec to 16:57 on Mon 2 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-12-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-12-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35254, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-12-06T21:29:57+03:26", "utc": "1918-12-06T18:03:57Z", "ms": -1611640562886.3337 }, "end": { "local": "1918-12-07T21:30:17+03:26", "utc": "1918-12-07T18:04:17Z", "ms": -1611554142737.244 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-06T21:29:57+03:26", "utc": "1918-12-06T18:03:57Z", "ms": -1611640562886.3337 }, "end": { "local": "1918-12-07T21:30:17+03:26", "utc": "1918-12-07T18:04:17Z", "ms": -1611554142737.244 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-12-06", "window": { "start": { "local": "1918-12-06T10:54:18+03:26", "utc": "1918-12-06T07:28:18Z", "ms": -1611678702171.222 }, "end": { "local": "1918-12-06T11:42:18+03:26", "utc": "1918-12-06T08:16:18Z", "ms": -1611675822171.222 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-12-07", "window": { "start": { "local": "1918-12-07T10:54:44+03:26", "utc": "1918-12-07T07:28:44Z", "ms": -1611592276463.58 }, "end": { "local": "1918-12-07T11:42:44+03:26", "utc": "1918-12-07T08:16:44Z", "ms": -1611589396463.58 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:29 on Fri 6 Dec to 21:29 on Sat 7 Dec.", "fact": "1918-12-06T18:03:57Z → 1918-12-07T18:04:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 6th, 10:54–11:42 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35254 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1918: Saturday 7 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": "1918-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-07", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1918 falls on Saturday 7 December. Caturthī runs from 21:29 on Fri 6 Dec to 21:29 on Sat 7 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/vinayaka-chaturthi?on=1918-12-07", "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/1918/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33588, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1918-12-07T21:30:17+03:26", "utc": "1918-12-07T18:04:17Z", "ms": -1611554142737.244 }, "end": { "local": "1918-12-08T21:02:58+03:26", "utc": "1918-12-08T17:36:58Z", "ms": -1611469381899.4036 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-07T21:30:17+03:26", "utc": "1918-12-07T18:04:17Z", "ms": -1611554142737.244 }, "end": { "local": "1918-12-08T21:02:58+03:26", "utc": "1918-12-08T17:36:58Z", "ms": -1611469381899.4036 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-12-07", "window": { "start": { "local": "1918-12-07T10:54:44+03:26", "utc": "1918-12-07T07:28:44Z", "ms": -1611592276463.58 }, "end": { "local": "1918-12-07T11:42:44+03:26", "utc": "1918-12-07T08:16:44Z", "ms": -1611589396463.58 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-12-08", "window": { "start": { "local": "1918-12-08T10:55:10+03:26", "utc": "1918-12-08T07:29:10Z", "ms": -1611505850250.1406 }, "end": { "local": "1918-12-08T11:43:10+03:26", "utc": "1918-12-08T08:17:10Z", "ms": -1611502970250.1406 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:29 on Sat 7 Dec to 21:02 on Sun 8 Dec.", "fact": "1918-12-07T18:04:17Z → 1918-12-08T17:36:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:54–11:42 on the 7th, 10:54–11:42 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33588 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Mashhad, 1918: Sunday 8 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": "1918-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-08", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī (Mārgaśīrṣa) 1918 falls on Sunday 8 December. Pañcamī runs from 21:29 on Sat 7 Dec to 21:02 on Sun 8 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30282, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1918-12-08T21:02:58+03:26", "utc": "1918-12-08T17:36:58Z", "ms": -1611469381899.4036 }, "end": { "local": "1918-12-09T20:08:18+03:26", "utc": "1918-12-09T16:42:18Z", "ms": -1611386262003.709 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-08T21:02:58+03:26", "utc": "1918-12-08T17:36:58Z", "ms": -1611469381899.4036 }, "end": { "local": "1918-12-09T20:08:18+03:26", "utc": "1918-12-09T16:42:18Z", "ms": -1611386262003.709 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-12-08", "window": { "start": { "local": "1918-12-08T10:55:10+03:26", "utc": "1918-12-08T07:29:10Z", "ms": -1611505850250.1406 }, "end": { "local": "1918-12-08T11:43:10+03:26", "utc": "1918-12-08T08:17:10Z", "ms": -1611502970250.1406 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-12-09", "window": { "start": { "local": "1918-12-09T10:55:36+03:26", "utc": "1918-12-09T07:29:36Z", "ms": -1611419423561.5933 }, "end": { "local": "1918-12-09T11:43:36+03:26", "utc": "1918-12-09T08:17:36Z", "ms": -1611416543561.5933 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:02 on Sun 8 Dec to 20:07 on Mon 9 Dec.", "fact": "1918-12-08T17:36:58Z → 1918-12-09T16:42:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:54–11:42 on the 8th, 10:55–11:43 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30282 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Mashhad, 1918: Monday 9 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": "1918-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-09", "confidence": "determinate" } ], "quote": "In Mashhad, Campā Ṣaṣṭhī 1918 falls on Monday 9 December. Ṣaṣṭhī runs from 21:02 on Sun 8 Dec to 20:07 on Mon 9 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30282, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1918-12-08T21:02:58+03:26", "utc": "1918-12-08T17:36:58Z", "ms": -1611469381899.4036 }, "end": { "local": "1918-12-09T20:08:18+03:26", "utc": "1918-12-09T16:42:18Z", "ms": -1611386262003.709 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-08T21:02:58+03:26", "utc": "1918-12-08T17:36:58Z", "ms": -1611469381899.4036 }, "end": { "local": "1918-12-09T20:08:18+03:26", "utc": "1918-12-09T16:42:18Z", "ms": -1611386262003.709 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-12-08", "window": { "start": { "local": "1918-12-08T10:55:10+03:26", "utc": "1918-12-08T07:29:10Z", "ms": -1611505850250.1406 }, "end": { "local": "1918-12-08T11:43:10+03:26", "utc": "1918-12-08T08:17:10Z", "ms": -1611502970250.1406 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-12-09", "window": { "start": { "local": "1918-12-09T10:55:36+03:26", "utc": "1918-12-09T07:29:36Z", "ms": -1611419423561.5933 }, "end": { "local": "1918-12-09T11:43:36+03:26", "utc": "1918-12-09T08:17:36Z", "ms": -1611416543561.5933 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:02 on Sun 8 Dec to 20:07 on Mon 9 Dec.", "fact": "1918-12-08T17:36:58Z → 1918-12-09T16:42:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:54–11:42 on the 8th, 10:55–11:43 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30282 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Mashhad, 1918: Monday 9 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": "1918-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-09", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī 1918 falls on Monday 9 December. Ṣaṣṭhī runs from 21:02 on Sun 8 Dec to 20:07 on Mon 9 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25382, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1918-12-09T20:08:18+03:26", "utc": "1918-12-09T16:42:18Z", "ms": -1611386262003.709 }, "end": { "local": "1918-12-10T18:47:06+03:26", "utc": "1918-12-10T15:21:06Z", "ms": -1611304734143.0774 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-09T20:08:18+03:26", "utc": "1918-12-09T16:42:18Z", "ms": -1611386262003.709 }, "end": { "local": "1918-12-10T18:47:06+03:26", "utc": "1918-12-10T15:21:06Z", "ms": -1611304734143.0774 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-12-09", "window": { "start": { "local": "1918-12-09T10:55:36+03:26", "utc": "1918-12-09T07:29:36Z", "ms": -1611419423561.5933 }, "end": { "local": "1918-12-09T11:43:36+03:26", "utc": "1918-12-09T08:17:36Z", "ms": -1611416543561.5933 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-12-10", "window": { "start": { "local": "1918-12-10T10:56:04+03:26", "utc": "1918-12-10T07:30:04Z", "ms": -1611332996428.792 }, "end": { "local": "1918-12-10T11:44:04+03:26", "utc": "1918-12-10T08:18:04Z", "ms": -1611330116428.792 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:07 on Mon 9 Dec to 18:46 on Tue 10 Dec.", "fact": "1918-12-09T16:42:18Z → 1918-12-10T15:21:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:55–11:43 on the 9th, 10:55–11:43 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25382 s" }, { "step": "ruling", "text": "Mitra Saptamī, Mashhad, 1918: Tuesday 10 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": "1918-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-10", "confidence": "determinate" } ], "quote": "In Mashhad, Mitra Saptamī 1918 falls on Tuesday 10 December. Saptamī runs from 20:07 on Mon 9 Dec to 18:46 on Tue 10 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/ekadashi?on=1918-12-14", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11539, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-12-13T12:24:44+03:26", "utc": "1918-12-13T08:58:44Z", "ms": -1611068475573.5203 }, "end": { "local": "1918-12-14T09:43:03+03:26", "utc": "1918-12-14T06:17:03Z", "ms": -1610991777137.319 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-13T12:24:44+03:26", "utc": "1918-12-13T08:58:44Z", "ms": -1611068475573.5203 }, "end": { "local": "1918-12-14T09:43:03+03:26", "utc": "1918-12-14T06:17:03Z", "ms": -1610991777137.319 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-12-13", "window": { "start": { "local": "1918-12-13T06:30:00+03:26", "utc": "1918-12-13T03:04:00Z", "ms": -1611089759770.6936 }, "end": { "local": "1918-12-13T06:30:00+03:26", "utc": "1918-12-13T03:04:00Z", "ms": -1611089759770.6936 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1918-12-14", "window": { "start": { "local": "1918-12-14T06:30:44+03:26", "utc": "1918-12-14T03:04:44Z", "ms": -1611003316359.5996 }, "end": { "local": "1918-12-14T06:30:44+03:26", "utc": "1918-12-14T03:04:44Z", "ms": -1611003316359.5996 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:24 on Fri 13 Dec to 09:42 on Sat 14 Dec.", "fact": "1918-12-13T08:58:44Z → 1918-12-14T06:17:03Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 13th and 06:30 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11539 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Mashhad, 1918: Saturday 14 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": "1918-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-14", "confidence": "determinate" } ], "quote": "In Mashhad, Mokṣadā Ekādaśī 1918 falls on Saturday 14 December. Ekādaśī runs from 12:24 on Fri 13 Dec to 09:42 on Sat 14 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-12-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4493, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1918-12-14T09:43:03+03:26", "utc": "1918-12-14T06:17:03Z", "ms": -1610991777137.319 }, "end": { "local": "1918-12-15T06:52:58+03:26", "utc": "1918-12-15T03:26:58Z", "ms": -1610915581897.8428 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-14T09:43:03+03:26", "utc": "1918-12-14T06:17:03Z", "ms": -1610991777137.319 }, "end": { "local": "1918-12-15T06:52:58+03:26", "utc": "1918-12-15T03:26:58Z", "ms": -1610915581897.8428 } }, "kaala": "madhyahna", "days": [ { "local_date": "1918-12-14", "window": { "start": { "local": "1918-12-14T10:57:56+03:26", "utc": "1918-12-14T07:31:56Z", "ms": -1610987284064.1604 }, "end": { "local": "1918-12-14T11:45:56+03:26", "utc": "1918-12-14T08:19:56Z", "ms": -1610984404064.1604 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1918-12-15", "window": { "start": { "local": "1918-12-15T10:58:25+03:26", "utc": "1918-12-15T07:32:25Z", "ms": -1610900855162.4543 }, "end": { "local": "1918-12-15T11:46:25+03:26", "utc": "1918-12-15T08:20:25Z", "ms": -1610897975162.4543 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 09:42 on Sat 14 Dec to 06:52 on Sun 15 Dec.", "fact": "1918-12-14T06:17:03Z → 1918-12-15T03:26:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:57–11:45 on the 14th, 10:57–11:45 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4493 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Mashhad, 1918: Saturday 14 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": "1918-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-14", "confidence": "determinate" } ], "quote": "In Mashhad, Akhaṇḍa Dvādaśī 1918 falls on Saturday 14 December. Dvādaśī runs from 09:42 on Sat 14 Dec to 06:52 on Sun 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/pradosha-vrata?on=1918-12-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33626, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-12-15T06:52:58+03:26", "utc": "1918-12-15T03:26:58Z", "ms": -1610915581897.8428 }, "end": { "local": "1918-12-16T04:01:13+03:26", "utc": "1918-12-16T00:35:13Z", "ms": -1610839486794.4841 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-15T06:52:58+03:26", "utc": "1918-12-15T03:26:58Z", "ms": -1610915581897.8428 }, "end": { "local": "1918-12-16T04:01:13+03:26", "utc": "1918-12-16T00:35:13Z", "ms": -1610839486794.4841 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-12-15", "window": { "start": { "local": "1918-12-15T16:13:24+03:26", "utc": "1918-12-15T12:47:24Z", "ms": -1610881956031.0706 }, "end": { "local": "1918-12-15T18:07:54+03:26", "utc": "1918-12-15T14:41:54Z", "ms": -1610875086375.4995 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1918-12-16", "window": { "start": { "local": "1918-12-16T16:13:42+03:26", "utc": "1918-12-16T12:47:42Z", "ms": -1610795538372.8105 }, "end": { "local": "1918-12-16T18:08:14+03:26", "utc": "1918-12-16T14:42:14Z", "ms": -1610788665837.8071 } }, "covered_min": 0, "window_min": 115, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:52 on Sun 15 Dec to 04:00 on Mon 16 Dec.", "fact": "1918-12-15T03:26:58Z → 1918-12-16T00:35:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:12–18:07 on the 15th, 16:13–18:07 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 114 of 114 minutes on the 15th and 0 of 115 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33626 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1918: Sunday 15 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": "1918-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-15", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1918 falls on Sunday 15 December. Trayodaśī runs from 06:52 on Sun 15 Dec to 04:00 on Mon 16 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1918/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16471, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1918-12-17T01:15:17+03:26", "utc": "1918-12-16T21:49:17Z", "ms": -1610763043406.9763 }, "end": { "local": "1918-12-17T22:43:08+03:26", "utc": "1918-12-17T19:17:08Z", "ms": -1610685772392.8723 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-17T01:15:17+03:26", "utc": "1918-12-16T21:49:17Z", "ms": -1610763043406.9763 }, "end": { "local": "1918-12-17T22:43:08+03:26", "utc": "1918-12-17T19:17:08Z", "ms": -1610685772392.8723 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-12-16", "window": { "start": { "local": "1918-12-16T16:13:42+03:26", "utc": "1918-12-16T12:47:42Z", "ms": -1610795538372.8105 }, "end": { "local": "1918-12-16T18:08:14+03:26", "utc": "1918-12-16T14:42:14Z", "ms": -1610788665837.8071 } }, "covered_min": 0, "window_min": 115, "qualifies": false }, { "local_date": "1918-12-17", "window": { "start": { "local": "1918-12-17T16:14:01+03:26", "utc": "1918-12-17T12:48:01Z", "ms": -1610709118810.2673 }, "end": { "local": "1918-12-17T18:08:36+03:26", "utc": "1918-12-17T14:42:36Z", "ms": -1610702243844.912 } }, "covered_min": 115, "window_min": 115, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:14 on Tue 17 Dec to 22:42 on Tue 17 Dec.", "fact": "1918-12-16T21:49:17Z → 1918-12-17T19:17:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:13–18:07 on the 16th, 16:13–18:08 on the 17th.", "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 115 minutes on the 16th and 115 of 115 on the 17th.", "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 16471 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Mashhad, 1918: Tuesday 17 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": "1918-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-17", "confidence": "determinate" } ], "quote": "In Mashhad, Dattātreyotpatti (Datta Jayanti) 1918 falls on Tuesday 17 December. Pūrṇimā runs from 01:14 on Tue 17 Dec to 22:42 on Tue 17 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/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/1918/sankashta-chaturthi?on=1918-12-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5112, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1918-12-20T17:49:27+03:26", "utc": "1918-12-20T14:23:27Z", "ms": -1610444193247.7944 }, "end": { "local": "1918-12-21T17:28:37+03:26", "utc": "1918-12-21T14:02:37Z", "ms": -1610359042740.313 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-20T17:49:27+03:26", "utc": "1918-12-20T14:23:27Z", "ms": -1610444193247.7944 }, "end": { "local": "1918-12-21T17:28:37+03:26", "utc": "1918-12-21T14:02:37Z", "ms": -1610359042740.313 } }, "kaala": "moonrise", "days": [ { "local_date": "1918-12-20", "window": { "start": { "local": "1918-12-20T19:14:38+03:26", "utc": "1918-12-20T15:48:38Z", "ms": -1610439081658.1104 }, "end": { "local": "1918-12-20T19:14:38+03:26", "utc": "1918-12-20T15:48:38Z", "ms": -1610439081658.1104 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-12-21", "window": { "start": { "local": "1918-12-21T20:17:23+03:26", "utc": "1918-12-21T16:51:23Z", "ms": -1610348917416.6257 }, "end": { "local": "1918-12-21T20:17:23+03:26", "utc": "1918-12-21T16:51:23Z", "ms": -1610348917416.6257 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:48 on Fri 20 Dec to 17:28 on Sat 21 Dec.", "fact": "1918-12-20T14:23:27Z → 1918-12-21T14:02:37Z" }, { "step": "kaala", "text": "Moonrise is at 19:14 on the 20th and 20:16 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5112 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1918: Friday 20 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": "1918-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-20", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1918 falls on Friday 20 December. Caturthī runs from 17:48 on Fri 20 Dec to 17:28 on Sat 21 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/sankashta-chaturthi?on=1918-12-20", "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/1918/ekadashi?on=1918-12-29", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 602, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1918-12-28T04:21:46+03:26", "utc": "1918-12-28T00:55:46Z", "ms": -1609801453818.9436 }, "end": { "local": "1918-12-29T06:48:34+03:26", "utc": "1918-12-29T03:22:34Z", "ms": -1609706245781.2085 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-28T04:21:46+03:26", "utc": "1918-12-28T00:55:46Z", "ms": -1609801453818.9436 }, "end": { "local": "1918-12-29T06:48:34+03:26", "utc": "1918-12-29T03:22:34Z", "ms": -1609706245781.2085 } }, "kaala": "sunrise", "days": [ { "local_date": "1918-12-28", "window": { "start": { "local": "1918-12-28T06:38:13+03:26", "utc": "1918-12-28T03:12:13Z", "ms": -1609793267102.4675 }, "end": { "local": "1918-12-28T06:38:13+03:26", "utc": "1918-12-28T03:12:13Z", "ms": -1609793267102.4675 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1918-12-29", "window": { "start": { "local": "1918-12-29T06:38:32+03:26", "utc": "1918-12-29T03:12:32Z", "ms": -1609706847724.2832 }, "end": { "local": "1918-12-29T06:38:32+03:26", "utc": "1918-12-29T03:12:32Z", "ms": -1609706847724.2832 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:21 on Sat 28 Dec to 06:48 on Sun 29 Dec.", "fact": "1918-12-28T00:55:46Z → 1918-12-29T03:22:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 28th and 06:38 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 on the 29th.", "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 602 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Mashhad, 1918: Sunday 29 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": "1918-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-29", "confidence": "determinate" } ], "quote": "In Mashhad, Saphalā Ekādaśī 1918 falls on Sunday 29 December. Ekādaśī runs from 04:21 on Sat 28 Dec to 06:48 on Sun 29 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1918/ekadashi?on=1918-12-29", "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/1918/pradosha-vrata?on=1918-12-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21325, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1918-12-30T08:52:40+03:26", "utc": "1918-12-30T05:26:40Z", "ms": -1609612399905.6921 }, "end": { "local": "1918-12-31T10:26:16+03:26", "utc": "1918-12-31T07:00:16Z", "ms": -1609520384120.6594 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-30T08:52:40+03:26", "utc": "1918-12-30T05:26:40Z", "ms": -1609612399905.6921 }, "end": { "local": "1918-12-31T10:26:16+03:26", "utc": "1918-12-31T07:00:16Z", "ms": -1609520384120.6594 } }, "kaala": "pradosha", "days": [ { "local_date": "1918-12-30", "window": { "start": { "local": "1918-12-30T16:20:58+03:26", "utc": "1918-12-30T12:54:58Z", "ms": -1609585502371.7117 }, "end": { "local": "1918-12-30T18:15:23+03:26", "utc": "1918-12-30T14:49:23Z", "ms": -1609578637329.7104 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1918-12-31", "window": { "start": { "local": "1918-12-31T16:21:41+03:26", "utc": "1918-12-31T12:55:41Z", "ms": -1609499059076.0125 }, "end": { "local": "1918-12-31T18:16:02+03:26", "utc": "1918-12-31T14:50:02Z", "ms": -1609492197974.376 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:52 on Mon 30 Dec to 10:25 on Tue 31 Dec.", "fact": "1918-12-30T05:26:40Z → 1918-12-31T07:00:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:20–18:14 on the 30th, 16:21–18:15 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 114 of 114 minutes on the 30th and 0 of 114 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21325 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1918: Monday 30 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": "1918-12-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-30", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1918 falls on Monday 30 December. Trayodaśī runs from 08:52 on Mon 30 Dec to 10:25 on Tue 31 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1918/pradosha-vrata?on=1918-12-30", "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/1918/shivaratri?on=1918-12-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1918, "local_date": "1918-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37934, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1918-12-31T10:26:16+03:26", "utc": "1918-12-31T07:00:16Z", "ms": -1609520384120.6594 }, "end": { "local": "1919-01-01T11:25:28+03:26", "utc": "1919-01-01T07:59:28Z", "ms": -1609430432050.1 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1918-12-31T10:26:16+03:26", "utc": "1918-12-31T07:00:16Z", "ms": -1609520384120.6594 }, "end": { "local": "1919-01-01T11:25:28+03:26", "utc": "1919-01-01T07:59:28Z", "ms": -1609430432050.1 } }, "kaala": "nishita", "days": [ { "local_date": "1918-12-30", "window": { "start": { "local": "1918-12-30T23:06:02+03:26", "utc": "1918-12-30T19:40:02Z", "ms": -1609561198464.207 }, "end": { "local": "1918-12-30T23:54:02+03:26", "utc": "1918-12-30T20:28:02Z", "ms": -1609558318464.207 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1918-12-31", "window": { "start": { "local": "1918-12-31T23:06:30+03:26", "utc": "1918-12-31T19:40:30Z", "ms": -1609474769944.8757 }, "end": { "local": "1918-12-31T23:54:30+03:26", "utc": "1918-12-31T20:28:30Z", "ms": -1609471889944.8757 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:25 on Tue 31 Dec to 11:24 on Wed 1 Jan.", "fact": "1918-12-31T07:00:16Z → 1919-01-01T07:59:28Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:05–23:53 on the 30th, 23:06–23:54 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37934 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1918: Tuesday 31 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": "1918-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1918-12-31", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1918 falls on Tuesday 31 December. Caturdaśī runs from 10:25 on Tue 31 Dec to 11:24 on Wed 1 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1918/shivaratri?on=1918-12-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }