{ "id": "/mashhad/festivals/1913", "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": 1913, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/mashhad/festivals/1913/ekadashi?on=1913-01-03", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11147, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-01-02T09:45:25+03:26", "utc": "1913-01-02T06:19:25Z", "ms": -1798652435280.6914 }, "end": { "local": "1913-01-03T09:48:25+03:26", "utc": "1913-01-03T06:22:25Z", "ms": -1798565855311.2776 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-01-02T09:45:25+03:26", "utc": "1913-01-02T06:19:25Z", "ms": -1798652435280.6914 }, "end": { "local": "1913-01-03T09:48:25+03:26", "utc": "1913-01-03T06:22:25Z", "ms": -1798565855311.2776 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-01-02", "window": { "start": { "local": "1913-01-02T06:39:38+03:26", "utc": "1913-01-02T03:13:38Z", "ms": -1798663582029.335 }, "end": { "local": "1913-01-02T06:39:38+03:26", "utc": "1913-01-02T03:13:38Z", "ms": -1798663582029.335 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-01-03", "window": { "start": { "local": "1913-01-03T06:39:47+03:26", "utc": "1913-01-03T03:13:47Z", "ms": -1798577173040.7688 }, "end": { "local": "1913-01-03T06:39:47+03:26", "utc": "1913-01-03T03:13:47Z", "ms": -1798577173040.7688 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:44 on Thu 2 Jan to 09:47 on Fri 3 Jan.", "fact": "1913-01-02T06:19:25Z → 1913-01-03T06:22:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 2nd and 06:39 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11147 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Mashhad, 1913: Friday 3 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": "1913-01-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-03", "confidence": "determinate" } ], "quote": "In Mashhad, Saphalā Ekādaśī 1913 falls on Friday 3 January. Ekādaśī runs from 09:44 on Thu 2 Jan to 09:47 on Fri 3 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-01-03", "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/1913/pradosha-vrata?on=1913-01-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19196, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-01-04T10:15:45+03:26", "utc": "1913-01-04T06:49:45Z", "ms": -1798477815122.5388 }, "end": { "local": "1913-01-05T11:06:05+03:26", "utc": "1913-01-05T07:40:05Z", "ms": -1798388395119.8896 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-01-04T10:15:45+03:26", "utc": "1913-01-04T06:49:45Z", "ms": -1798477815122.5388 }, "end": { "local": "1913-01-05T11:06:05+03:26", "utc": "1913-01-05T07:40:05Z", "ms": -1798388395119.8896 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-01-04", "window": { "start": { "local": "1913-01-04T16:25:10+03:26", "utc": "1913-01-04T12:59:10Z", "ms": -1798455649623.011 }, "end": { "local": "1913-01-04T18:19:09+03:26", "utc": "1913-01-04T14:53:09Z", "ms": -1798448811130.6067 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1913-01-05", "window": { "start": { "local": "1913-01-05T16:26:01+03:26", "utc": "1913-01-05T13:00:01Z", "ms": -1798369199329.972 }, "end": { "local": "1913-01-05T18:19:53+03:26", "utc": "1913-01-05T14:53:53Z", "ms": -1798362367130.5342 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:15 on Sat 4 Jan to 11:05 on Sun 5 Jan.", "fact": "1913-01-04T06:49:45Z → 1913-01-05T07:40:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:24–18:18 on the 4th, 16:25–18:19 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 114 of 114 minutes on the 4th and 0 of 114 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19196 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Saturday 4 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": "1913-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-04", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Saturday 4 January. Trayodaśī runs from 10:15 on Sat 4 Jan to 11:05 on Sun 5 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-01-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39035, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-01-05T11:06:05+03:26", "utc": "1913-01-05T07:40:05Z", "ms": -1798388395119.8896 }, "end": { "local": "1913-01-06T12:18:53+03:26", "utc": "1913-01-06T08:52:53Z", "ms": -1798297626856.569 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-01-05T11:06:05+03:26", "utc": "1913-01-05T07:40:05Z", "ms": -1798388395119.8896 }, "end": { "local": "1913-01-06T12:18:53+03:26", "utc": "1913-01-06T08:52:53Z", "ms": -1798297626856.569 } }, "kaala": "nishita", "days": [ { "local_date": "1913-01-05", "window": { "start": { "local": "1913-01-05T23:09:01+03:26", "utc": "1913-01-05T19:43:01Z", "ms": -1798345018582.08 }, "end": { "local": "1913-01-05T23:57:01+03:26", "utc": "1913-01-05T20:31:01Z", "ms": -1798342138582.08 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-01-06", "window": { "start": { "local": "1913-01-06T23:09:28+03:26", "utc": "1913-01-06T19:43:28Z", "ms": -1798258592317.4658 }, "end": { "local": "1913-01-06T23:57:28+03:26", "utc": "1913-01-06T20:31:28Z", "ms": -1798255712317.4658 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:05 on Sun 5 Jan to 12:18 on Mon 6 Jan.", "fact": "1913-01-05T07:40:05Z → 1913-01-06T08:52:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:08–23:56 on the 5th, 23:08–23:56 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39035 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Sunday 5 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": "1913-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-05", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Sunday 5 January. Caturdaśī runs from 11:05 on Sun 5 Jan to 12:18 on Mon 6 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-01-05", "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/1913/vinayaka-chaturthi?on=1913-01-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31504, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-01-10T20:44:15+03:26", "utc": "1913-01-10T17:18:15Z", "ms": -1797921704517.217 }, "end": { "local": "1913-01-11T23:28:29+03:26", "utc": "1913-01-11T20:02:29Z", "ms": -1797825451101.3625 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-01-10T20:44:15+03:26", "utc": "1913-01-10T17:18:15Z", "ms": -1797921704517.217 }, "end": { "local": "1913-01-11T23:28:29+03:26", "utc": "1913-01-11T20:02:29Z", "ms": -1797825451101.3625 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-01-10", "window": { "start": { "local": "1913-01-10T11:11:11+03:26", "utc": "1913-01-10T07:45:11Z", "ms": -1797956088718.1875 }, "end": { "local": "1913-01-10T11:59:11+03:26", "utc": "1913-01-10T08:33:11Z", "ms": -1797953208718.1875 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-01-11", "window": { "start": { "local": "1913-01-11T11:11:36+03:26", "utc": "1913-01-11T07:45:36Z", "ms": -1797869664048.838 }, "end": { "local": "1913-01-11T11:59:36+03:26", "utc": "1913-01-11T08:33:36Z", "ms": -1797866784048.838 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:43 on Fri 10 Jan to 23:27 on Sat 11 Jan.", "fact": "1913-01-10T17:18:15Z → 1913-01-11T20:02:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 10th, 11:11–11:59 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31504 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Saturday 11 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": "1913-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-11", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Saturday 11 January. Caturthī runs from 20:43 on Fri 10 Jan to 23:27 on Sat 11 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-01-11", "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/1913/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11671, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 }, "end": { "local": "1913-02-12T02:16:27+03:26", "utc": "1913-02-11T22:50:27Z", "ms": -1795136973212.4414 } }, "span": { "of": "transit", "start": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 }, "end": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 } }, "kaala": "sunset-day", "days": [ { "local_date": "1913-01-13", "window": { "start": { "local": "1913-01-12T16:32:21+03:26", "utc": "1913-01-12T13:06:21Z", "ms": -1797764018742.2021 }, "end": { "local": "1913-01-13T16:33:19+03:26", "utc": "1913-01-13T13:07:19Z", "ms": -1797677560944.128 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1913-01-14", "window": { "start": { "local": "1913-01-13T16:33:19+03:26", "utc": "1913-01-13T13:07:19Z", "ms": -1797677560944.128 }, "end": { "local": "1913-01-14T16:34:18+03:26", "utc": "1913-01-14T13:08:18Z", "ms": -1797591102447.287 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1913-01-13", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 13:18 on Mon 13 Jan.", "fact": "1913-01-13T09:52:48Z · 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 12th and the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 11671 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Monday 13 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Mashhad, 1913: Sunday 12 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": "1913-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-12", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1913-01-12", "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": "1913-01-12", "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 1913 falls on Sunday 12 January. It is kept the day before Pongal, which falls on Monday 13 January. The Sun enters Makara at 13:18 on Mon 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 12th and the 13th.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11671, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 }, "end": { "local": "1913-02-12T02:16:27+03:26", "utc": "1913-02-11T22:50:27Z", "ms": -1795136973212.4414 } }, "span": { "of": "transit", "start": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 }, "end": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 } }, "kaala": "sunset-day", "days": [ { "local_date": "1913-01-13", "window": { "start": { "local": "1913-01-12T16:32:21+03:26", "utc": "1913-01-12T13:06:21Z", "ms": -1797764018742.2021 }, "end": { "local": "1913-01-13T16:33:19+03:26", "utc": "1913-01-13T13:07:19Z", "ms": -1797677560944.128 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1913-01-14", "window": { "start": { "local": "1913-01-13T16:33:19+03:26", "utc": "1913-01-13T13:07:19Z", "ms": -1797677560944.128 }, "end": { "local": "1913-01-14T16:34:18+03:26", "utc": "1913-01-14T13:08:18Z", "ms": -1797591102447.287 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 13:18 on Mon 13 Jan.", "fact": "1913-01-13T09:52:48Z · 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 12th and the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 11671 s" }, { "step": "ruling", "text": "Pongal, Mashhad, 1913: Monday 13 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": "1913-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1913-01-13", "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": "1913-01-13", "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 1913 falls on Monday 13 January. The Sun enters Makara at 13:18 on Mon 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 12th and the 13th.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38488, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 }, "end": { "local": "1913-02-12T02:16:27+03:26", "utc": "1913-02-11T22:50:27Z", "ms": -1795136973212.4414 } }, "span": { "of": "transit", "start": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 }, "end": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 } }, "kaala": "civil-day", "days": [ { "local_date": "1913-01-13", "window": { "start": { "local": "1913-01-13T00:00:16+03:26", "utc": "1913-01-12T20:34:16Z", "ms": -1797737144000 }, "end": { "local": "1913-01-14T00:00:16+03:26", "utc": "1913-01-13T20:34:16Z", "ms": -1797650744000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1913-01-14", "window": { "start": { "local": "1913-01-14T00:00:16+03:26", "utc": "1913-01-13T20:34:16Z", "ms": -1797650744000 }, "end": { "local": "1913-01-15T00:00:16+03:26", "utc": "1913-01-14T20:34:16Z", "ms": -1797564344000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 13:18 on Mon 13 Jan.", "fact": "1913-01-13T09:52:48Z · 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 38488 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Mashhad, 1913: Monday 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": "1913-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1913-01-13", "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": "1913-01-13", "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, Makara Saṅkrānti 1913 falls on Monday 13 January. The Sun enters Makara at 13:18 on Mon 13 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11671, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 }, "end": { "local": "1913-02-12T02:16:27+03:26", "utc": "1913-02-11T22:50:27Z", "ms": -1795136973212.4414 } }, "span": { "of": "transit", "start": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 }, "end": { "local": "1913-01-13T13:18:48+03:26", "utc": "1913-01-13T09:52:48Z", "ms": -1797689232207.5027 } }, "kaala": "sunset-day", "days": [ { "local_date": "1913-01-13", "window": { "start": { "local": "1913-01-12T16:32:21+03:26", "utc": "1913-01-12T13:06:21Z", "ms": -1797764018742.2021 }, "end": { "local": "1913-01-13T16:33:19+03:26", "utc": "1913-01-13T13:07:19Z", "ms": -1797677560944.128 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1913-01-14", "window": { "start": { "local": "1913-01-13T16:33:19+03:26", "utc": "1913-01-13T13:07:19Z", "ms": -1797677560944.128 }, "end": { "local": "1913-01-14T16:34:18+03:26", "utc": "1913-01-14T13:08:18Z", "ms": -1797591102447.287 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1913-01-13", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 13:18 on Mon 13 Jan.", "fact": "1913-01-13T09:52:48Z · 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 12th and the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 11671 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Monday 13 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Mashhad, 1913: Tuesday 14 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": "1913-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1913-01-14", "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": "1913-01-14", "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 1913 falls on Tuesday 14 January. It is kept the day after Pongal, which falls on Monday 13 January. The Sun enters Makara at 13:18 on Mon 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 12th and the 13th.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-01-19", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 768, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-01-18T08:07:43+03:26", "utc": "1913-01-18T04:41:43Z", "ms": -1797275896699.76 }, "end": { "local": "1913-01-19T06:50:29+03:26", "utc": "1913-01-19T03:24:29Z", "ms": -1797194130928.3167 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-01-18T08:07:43+03:26", "utc": "1913-01-18T04:41:43Z", "ms": -1797275896699.76 }, "end": { "local": "1913-01-19T06:50:29+03:26", "utc": "1913-01-19T03:24:29Z", "ms": -1797194130928.3167 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-01-18", "window": { "start": { "local": "1913-01-18T06:38:03+03:26", "utc": "1913-01-18T03:12:03Z", "ms": -1797281276550.0278 }, "end": { "local": "1913-01-18T06:38:03+03:26", "utc": "1913-01-18T03:12:03Z", "ms": -1797281276550.0278 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-01-19", "window": { "start": { "local": "1913-01-19T06:37:41+03:26", "utc": "1913-01-19T03:11:41Z", "ms": -1797194899310.5676 }, "end": { "local": "1913-01-19T06:37:41+03:26", "utc": "1913-01-19T03:11:41Z", "ms": -1797194899310.5676 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:07 on Sat 18 Jan to 06:49 on Sun 19 Jan.", "fact": "1913-01-18T04:41:43Z → 1913-01-19T03:24:29Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 18th and 06:37 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 768 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 1913: Sunday 19 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-19", "confidence": "determinate" } ], "quote": "In Mashhad, Putradā Ekādaśī 1913 falls on Sunday 19 January. Ekādaśī runs from 08:07 on Sat 18 Jan to 06:49 on Sun 19 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-01-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26800, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-01-20T04:44:45+03:26", "utc": "1913-01-20T01:18:45Z", "ms": -1797115274971.551 }, "end": { "local": "1913-01-21T01:58:32+03:26", "utc": "1913-01-20T22:32:32Z", "ms": -1797038847993.9792 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-01-20T04:44:45+03:26", "utc": "1913-01-20T01:18:45Z", "ms": -1797115274971.551 }, "end": { "local": "1913-01-21T01:58:32+03:26", "utc": "1913-01-20T22:32:32Z", "ms": -1797038847993.9792 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-01-19", "window": { "start": { "local": "1913-01-19T16:39:19+03:26", "utc": "1913-01-19T13:13:19Z", "ms": -1797158801217.8105 }, "end": { "local": "1913-01-19T18:31:02+03:26", "utc": "1913-01-19T15:05:02Z", "ms": -1797152097587.666 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "1913-01-20", "window": { "start": { "local": "1913-01-20T16:40:20+03:26", "utc": "1913-01-20T13:14:20Z", "ms": -1797072339549.9182 }, "end": { "local": "1913-01-20T18:31:52+03:26", "utc": "1913-01-20T15:05:52Z", "ms": -1797065647686.2573 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:44 on Mon 20 Jan to 01:58 on Tue 21 Jan.", "fact": "1913-01-20T01:18:45Z → 1913-01-20T22:32:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:38–18:30 on the 19th, 16:39–18:31 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 112 minutes on the 19th and 112 of 112 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 26800 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Monday 20 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": "1913-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-20", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Monday 20 January. Trayodaśī runs from 04:44 on Mon 20 Jan to 01:58 on Tue 21 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-01-20", "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/1913/sankashta-chaturthi?on=1913-01-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32234, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-01-25T08:14:05+03:26", "utc": "1913-01-25T04:48:05Z", "ms": -1796670715492.3296 }, "end": { "local": "1913-01-26T05:10:07+03:26", "utc": "1913-01-26T01:44:07Z", "ms": -1796595353310.677 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-01-25T08:14:05+03:26", "utc": "1913-01-25T04:48:05Z", "ms": -1796670715492.3296 }, "end": { "local": "1913-01-26T05:10:07+03:26", "utc": "1913-01-26T01:44:07Z", "ms": -1796595353310.677 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-01-24", "window": { "start": { "local": "1913-01-24T18:58:29+03:26", "utc": "1913-01-24T15:32:29Z", "ms": -1796718451199.8115 }, "end": { "local": "1913-01-24T18:58:29+03:26", "utc": "1913-01-24T15:32:29Z", "ms": -1796718451199.8115 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-01-25", "window": { "start": { "local": "1913-01-25T20:12:53+03:26", "utc": "1913-01-25T16:46:53Z", "ms": -1796627586831.002 }, "end": { "local": "1913-01-25T20:12:53+03:26", "utc": "1913-01-25T16:46:53Z", "ms": -1796627586831.002 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:13 on Sat 25 Jan to 05:09 on Sun 26 Jan.", "fact": "1913-01-25T04:48:05Z → 1913-01-26T01:44:07Z" }, { "step": "kaala", "text": "Moonrise is at 18:57 on the 24th and 20:12 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 on the 25th.", "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 32234 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Saturday 25 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": "1913-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-01-25", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Saturday 25 January. Caturthī runs from 08:13 on Sat 25 Jan to 05:09 on Sun 26 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-01-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/ekadashi?on=1913-02-01", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21237, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-01-31T23:26:40+03:26", "utc": "1913-01-31T20:00:40Z", "ms": -1796097560013.299 }, "end": { "local": "1913-02-02T00:35:14+03:26", "utc": "1913-02-01T21:09:14Z", "ms": -1796007046176.1501 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-01-31T23:26:40+03:26", "utc": "1913-01-31T20:00:40Z", "ms": -1796097560013.299 }, "end": { "local": "1913-02-02T00:35:14+03:26", "utc": "1913-02-01T21:09:14Z", "ms": -1796007046176.1501 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-02-01", "window": { "start": { "local": "1913-02-01T06:29:59+03:26", "utc": "1913-02-01T03:03:59Z", "ms": -1796072161391.5178 }, "end": { "local": "1913-02-01T06:29:59+03:26", "utc": "1913-02-01T03:03:59Z", "ms": -1796072161391.5178 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-02-02", "window": { "start": { "local": "1913-02-02T06:29:11+03:26", "utc": "1913-02-02T03:03:11Z", "ms": -1795985808841.2036 }, "end": { "local": "1913-02-02T06:29:11+03:26", "utc": "1913-02-02T03:03:11Z", "ms": -1795985808841.2036 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:26 on Fri 31 Jan to 00:34 on Sun 2 Feb.", "fact": "1913-01-31T20:00:40Z → 1913-02-01T21:09:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 1st and 06:28 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21237 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Mashhad, 1913: Saturday 1 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": "1913-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-01", "confidence": "determinate" } ], "quote": "In Mashhad, Ṣaṭtilā Ekādaśī 1913 falls on Saturday 1 February. Ekādaśī runs from 23:26 on Fri 31 Jan to 00:34 on Sun 2 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-02-01", "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/1913/pradosha-vrata?on=1913-02-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26834, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-02-03T02:09:52+03:26", "utc": "1913-02-02T22:43:52Z", "ms": -1795914968341.775 }, "end": { "local": "1913-02-04T04:06:04+03:26", "utc": "1913-02-04T00:40:04Z", "ms": -1795821595531.5774 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-03T02:09:52+03:26", "utc": "1913-02-02T22:43:52Z", "ms": -1795914968341.775 }, "end": { "local": "1913-02-04T04:06:04+03:26", "utc": "1913-02-04T00:40:04Z", "ms": -1795821595531.5774 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-02-02", "window": { "start": { "local": "1913-02-02T16:54:04+03:26", "utc": "1913-02-02T13:28:04Z", "ms": -1795948316329.3987 }, "end": { "local": "1913-02-02T18:42:38+03:26", "utc": "1913-02-02T15:16:38Z", "ms": -1795941801866.9229 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1913-02-03", "window": { "start": { "local": "1913-02-03T16:55:07+03:26", "utc": "1913-02-03T13:29:07Z", "ms": -1795861852504.9072 }, "end": { "local": "1913-02-03T18:43:27+03:26", "utc": "1913-02-03T15:17:27Z", "ms": -1795855353294.033 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:09 on Mon 3 Feb to 04:05 on Tue 4 Feb.", "fact": "1913-02-02T22:43:52Z → 1913-02-04T00:40:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:53–18:42 on the 2nd, 16:54–18:42 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 109 minutes on the 2nd and 108 of 108 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 26834 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Monday 3 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": "1913-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-03", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Monday 3 February. Trayodaśī runs from 02:09 on Mon 3 Feb to 04:05 on Tue 4 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 407, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-02-04T04:06:04+03:26", "utc": "1913-02-04T00:40:04Z", "ms": -1795821595531.5774 }, "end": { "local": "1913-02-05T06:19:53+03:26", "utc": "1913-02-05T02:53:53Z", "ms": -1795727167153.7332 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-04T04:06:04+03:26", "utc": "1913-02-04T00:40:04Z", "ms": -1795821595531.5774 }, "end": { "local": "1913-02-05T06:19:53+03:26", "utc": "1913-02-05T02:53:53Z", "ms": -1795727167153.7332 } }, "kaala": "arunodaya", "days": [ { "local_date": "1913-02-04", "window": { "start": { "local": "1913-02-04T04:39:12+03:26", "utc": "1913-02-04T01:13:12Z", "ms": -1795819607634.2249 }, "end": { "local": "1913-02-04T06:27:32+03:26", "utc": "1913-02-04T03:01:32Z", "ms": -1795813108423.3506 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1913-02-05", "window": { "start": { "local": "1913-02-05T04:38:36+03:26", "utc": "1913-02-05T01:12:36Z", "ms": -1795733244270.4436 }, "end": { "local": "1913-02-05T06:26:39+03:26", "utc": "1913-02-05T03:00:39Z", "ms": -1795726760501.3965 } }, "covered_min": 101, "window_min": 108, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:05 on Tue 4 Feb to 06:19 on Wed 5 Feb.", "fact": "1913-02-04T00:40:04Z → 1913-02-05T02:53:53Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:38–06:27 on the 4th, 04:38–06:26 on the 5th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 108 of 108 minutes on the 4th and 101 of 108 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both dawns qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 407 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Mashhad, 1913: Tuesday 4 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1913-02-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-04", "confidence": "boundary" } ], "quote": "In Mashhad, Yama Tarpaṇa 1913 falls on Tuesday 4 February. Caturdaśī runs from 04:05 on Tue 4 Feb to 06:19 on Wed 5 Feb and covers all of aruṇodaya that dawn. It also reaches the next dawn for 101 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/1913/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/1913/shivaratri?on=1913-02-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14445, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-02-04T04:06:04+03:26", "utc": "1913-02-04T00:40:04Z", "ms": -1795821595531.5774 }, "end": { "local": "1913-02-05T06:19:53+03:26", "utc": "1913-02-05T02:53:53Z", "ms": -1795727167153.7332 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-04T04:06:04+03:26", "utc": "1913-02-04T00:40:04Z", "ms": -1795821595531.5774 }, "end": { "local": "1913-02-05T06:19:53+03:26", "utc": "1913-02-05T02:53:53Z", "ms": -1795727167153.7332 } }, "kaala": "nishita", "days": [ { "local_date": "1913-02-03", "window": { "start": { "local": "1913-02-03T23:17:20+03:26", "utc": "1913-02-03T19:51:20Z", "ms": -1795838920464.129 }, "end": { "local": "1913-02-04T00:05:20+03:26", "utc": "1913-02-03T20:39:20Z", "ms": -1795836040464.129 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-02-04", "window": { "start": { "local": "1913-02-04T23:17:25+03:26", "utc": "1913-02-04T19:51:25Z", "ms": -1795752514635.3228 }, "end": { "local": "1913-02-05T00:05:25+03:26", "utc": "1913-02-04T20:39:25Z", "ms": -1795749634635.3228 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:05 on Tue 4 Feb to 06:19 on Wed 5 Feb.", "fact": "1913-02-04T00:40:04Z → 1913-02-05T02:53:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:16–00:04 on the 3rd, 23:16–00:04 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14445 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Tuesday 4 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": "1913-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-04", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Tuesday 4 February. Caturdaśī runs from 04:05 on Tue 4 Feb to 06:19 on Wed 5 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-09", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 918, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-02-09T16:46:10+03:26", "utc": "1913-02-09T13:20:10Z", "ms": -1795343990210.963 }, "end": { "local": "1913-02-10T19:14:22+03:26", "utc": "1913-02-10T15:48:22Z", "ms": -1795248698327.3584 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-09T16:46:10+03:26", "utc": "1913-02-09T13:20:10Z", "ms": -1795343990210.963 }, "end": { "local": "1913-02-10T19:14:22+03:26", "utc": "1913-02-10T15:48:22Z", "ms": -1795248698327.3584 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-02-09", "window": { "start": { "local": "1913-02-09T17:01:28+03:26", "utc": "1913-02-09T13:35:28Z", "ms": -1795343072374.013 }, "end": { "local": "1913-02-09T18:48:12+03:26", "utc": "1913-02-09T15:22:12Z", "ms": -1795336668409.2231 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1913-02-10", "window": { "start": { "local": "1913-02-10T17:02:30+03:26", "utc": "1913-02-10T13:36:30Z", "ms": -1795256609719.8997 }, "end": { "local": "1913-02-10T18:48:58+03:26", "utc": "1913-02-10T15:22:58Z", "ms": -1795250222185.343 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:45 on Sun 9 Feb to 19:13 on Mon 10 Feb.", "fact": "1913-02-09T13:20:10Z → 1913-02-10T15:48:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:00–18:47 on the 9th, 17:02–18:48 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 107 of 107 minutes on the 9th and 106 of 106 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "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 918 s" }, { "step": "ruling", "text": "Tila Caturthī, Mashhad, 1913: Sunday 9 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1913-02-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-09", "confidence": "boundary" } ], "quote": "In Mashhad, Tila Caturthī 1913 falls on Sunday 9 February. Caturthī runs from 16:45 on Sun 9 Feb to 19:13 on Mon 10 Feb and covers all of pradoṣa that evening. It also reaches the next evening for 106 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/1913/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/1913/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16798, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-02-09T16:46:10+03:26", "utc": "1913-02-09T13:20:10Z", "ms": -1795343990210.963 }, "end": { "local": "1913-02-10T19:14:22+03:26", "utc": "1913-02-10T15:48:22Z", "ms": -1795248698327.3584 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-09T16:46:10+03:26", "utc": "1913-02-09T13:20:10Z", "ms": -1795343990210.963 }, "end": { "local": "1913-02-10T19:14:22+03:26", "utc": "1913-02-10T15:48:22Z", "ms": -1795248698327.3584 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-02-09", "window": { "start": { "local": "1913-02-09T11:18:12+03:26", "utc": "1913-02-09T07:52:12Z", "ms": -1795363667890.7593 }, "end": { "local": "1913-02-09T12:06:12+03:26", "utc": "1913-02-09T08:40:12Z", "ms": -1795360787890.7593 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-02-10", "window": { "start": { "local": "1913-02-10T11:18:14+03:26", "utc": "1913-02-10T07:52:14Z", "ms": -1795277266178.9949 }, "end": { "local": "1913-02-10T12:06:14+03:26", "utc": "1913-02-10T08:40:14Z", "ms": -1795274386178.9949 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:45 on Sun 9 Feb to 19:13 on Mon 10 Feb.", "fact": "1913-02-09T13:20:10Z → 1913-02-10T15:48:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 9th, 11:17–12:05 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16798 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Mashhad, 1913: Monday 10 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": "1913-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-10", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1913 falls on Monday 10 February. Caturthī runs from 16:45 on Sun 9 Feb to 19:13 on Mon 10 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25688, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1913-02-10T19:14:22+03:26", "utc": "1913-02-10T15:48:22Z", "ms": -1795248698327.3584 }, "end": { "local": "1913-02-11T21:21:10+03:26", "utc": "1913-02-11T17:55:10Z", "ms": -1795154690491.6536 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-10T19:14:22+03:26", "utc": "1913-02-10T15:48:22Z", "ms": -1795248698327.3584 }, "end": { "local": "1913-02-11T21:21:10+03:26", "utc": "1913-02-11T17:55:10Z", "ms": -1795154690491.6536 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-02-10", "window": { "start": { "local": "1913-02-10T11:18:14+03:26", "utc": "1913-02-10T07:52:14Z", "ms": -1795277266178.9949 }, "end": { "local": "1913-02-10T12:06:14+03:26", "utc": "1913-02-10T08:40:14Z", "ms": -1795274386178.9949 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-02-11", "window": { "start": { "local": "1913-02-11T11:18:15+03:26", "utc": "1913-02-11T07:52:15Z", "ms": -1795190865266.6265 }, "end": { "local": "1913-02-11T12:06:15+03:26", "utc": "1913-02-11T08:40:15Z", "ms": -1795187985266.6265 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:13 on Mon 10 Feb to 21:20 on Tue 11 Feb.", "fact": "1913-02-10T15:48:22Z → 1913-02-11T17:55:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 10th, 11:17–12:05 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25688 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Mashhad, 1913: Tuesday 11 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": "1913-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-11", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Pañcamī 1913 falls on Tuesday 11 February. Pañcamī runs from 19:13 on Mon 10 Feb to 21:20 on Tue 11 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25688, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1913-02-10T19:14:22+03:26", "utc": "1913-02-10T15:48:22Z", "ms": -1795248698327.3584 }, "end": { "local": "1913-02-11T21:21:10+03:26", "utc": "1913-02-11T17:55:10Z", "ms": -1795154690491.6536 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-10T19:14:22+03:26", "utc": "1913-02-10T15:48:22Z", "ms": -1795248698327.3584 }, "end": { "local": "1913-02-11T21:21:10+03:26", "utc": "1913-02-11T17:55:10Z", "ms": -1795154690491.6536 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-02-10", "window": { "start": { "local": "1913-02-10T11:18:14+03:26", "utc": "1913-02-10T07:52:14Z", "ms": -1795277266178.9949 }, "end": { "local": "1913-02-10T12:06:14+03:26", "utc": "1913-02-10T08:40:14Z", "ms": -1795274386178.9949 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-02-11", "window": { "start": { "local": "1913-02-11T11:18:15+03:26", "utc": "1913-02-11T07:52:15Z", "ms": -1795190865266.6265 }, "end": { "local": "1913-02-11T12:06:15+03:26", "utc": "1913-02-11T08:40:15Z", "ms": -1795187985266.6265 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:13 on Mon 10 Feb to 21:20 on Tue 11 Feb.", "fact": "1913-02-10T15:48:22Z → 1913-02-11T17:55:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 10th, 11:17–12:05 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25688 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Mashhad, 1913: Tuesday 11 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": "1913-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-11", "confidence": "determinate" } ], "quote": "In Mashhad, Vasanta Pañcamī 1913 falls on Tuesday 11 February. Pañcamī runs from 19:13 on Mon 10 Feb to 21:20 on Tue 11 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16925, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1913-02-12T22:56:07+03:26", "utc": "1913-02-12T19:30:07Z", "ms": -1795062592573.2654 }, "end": { "local": "1913-02-13T23:50:05+03:26", "utc": "1913-02-13T20:24:05Z", "ms": -1794972954696.4468 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-12T22:56:07+03:26", "utc": "1913-02-12T19:30:07Z", "ms": -1795062592573.2654 }, "end": { "local": "1913-02-13T23:50:05+03:26", "utc": "1913-02-13T20:24:05Z", "ms": -1794972954696.4468 } }, "kaala": "arunodaya", "days": [ { "local_date": "1913-02-13", "window": { "start": { "local": "1913-02-13T04:32:57+03:26", "utc": "1913-02-13T01:06:57Z", "ms": -1795042382517.3196 }, "end": { "local": "1913-02-13T06:18:52+03:26", "utc": "1913-02-13T02:52:52Z", "ms": -1795036028258.5566 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1913-02-14", "window": { "start": { "local": "1913-02-14T04:32:10+03:26", "utc": "1913-02-14T01:06:10Z", "ms": -1794956030096.5444 }, "end": { "local": "1913-02-14T06:17:47+03:26", "utc": "1913-02-14T02:51:47Z", "ms": -1794949692670.5059 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:55 on Wed 12 Feb to 23:49 on Thu 13 Feb.", "fact": "1913-02-12T19:30:07Z → 1913-02-13T20:24:05Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:32–06:18 on the 13th, 04:31–06:17 on the 14th.", "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 106 of 106 minutes on the 13th and 0 of 106 on the 14th.", "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 16925 s" }, { "step": "ruling", "text": "Ratha Saptamī, Mashhad, 1913: Thursday 13 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": "1913-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-13", "confidence": "determinate" } ], "quote": "In Mashhad, Ratha Saptamī 1913 falls on Thursday 13 February. Saptamī runs from 22:55 on Wed 12 Feb to 23:49 on Thu 13 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-02-17", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30887, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-02-16T21:39:40+03:26", "utc": "1913-02-16T18:13:40Z", "ms": -1794721579961.9067 }, "end": { "local": "1913-02-17T19:21:44+03:26", "utc": "1913-02-17T15:55:44Z", "ms": -1794643456199.618 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-16T21:39:40+03:26", "utc": "1913-02-16T18:13:40Z", "ms": -1794721579961.9067 }, "end": { "local": "1913-02-17T19:21:44+03:26", "utc": "1913-02-17T15:55:44Z", "ms": -1794643456199.618 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-02-17", "window": { "start": { "local": "1913-02-17T06:14:27+03:26", "utc": "1913-02-17T02:48:27Z", "ms": -1794690693065.7893 }, "end": { "local": "1913-02-17T06:14:27+03:26", "utc": "1913-02-17T02:48:27Z", "ms": -1794690693065.7893 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-02-18", "window": { "start": { "local": "1913-02-18T06:13:18+03:26", "utc": "1913-02-18T02:47:18Z", "ms": -1794604362137.5715 }, "end": { "local": "1913-02-18T06:13:18+03:26", "utc": "1913-02-18T02:47:18Z", "ms": -1794604362137.5715 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:39 on Sun 16 Feb to 19:21 on Mon 17 Feb.", "fact": "1913-02-16T18:13:40Z → 1913-02-17T15:55:44Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 17th and 06:12 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30887 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Mashhad, 1913: Monday 17 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": "1913-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-17", "confidence": "determinate" } ], "quote": "In Mashhad, Jayā Ekādaśī 1913 falls on Monday 17 February. Ekādaśī runs from 21:39 on Sun 16 Feb to 19:21 on Mon 17 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-02-17", "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/1913/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15609, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1913-02-17T19:21:44+03:26", "utc": "1913-02-17T15:55:44Z", "ms": -1794643456199.618 }, "end": { "local": "1913-02-18T16:26:08+03:26", "utc": "1913-02-18T13:00:08Z", "ms": -1794567591511.6023 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-17T19:21:44+03:26", "utc": "1913-02-17T15:55:44Z", "ms": -1794643456199.618 }, "end": { "local": "1913-02-18T16:26:08+03:26", "utc": "1913-02-18T13:00:08Z", "ms": -1794567591511.6023 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-02-17", "window": { "start": { "local": "1913-02-17T11:18:04+03:26", "utc": "1913-02-17T07:52:04Z", "ms": -1794672476121.4138 }, "end": { "local": "1913-02-17T12:06:04+03:26", "utc": "1913-02-17T08:40:04Z", "ms": -1794669596121.4138 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-02-18", "window": { "start": { "local": "1913-02-18T11:17:59+03:26", "utc": "1913-02-18T07:51:59Z", "ms": -1794586080548.5566 }, "end": { "local": "1913-02-18T12:05:59+03:26", "utc": "1913-02-18T08:39:59Z", "ms": -1794583200548.5566 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:21 on Mon 17 Feb to 16:25 on Tue 18 Feb.", "fact": "1913-02-17T15:55:44Z → 1913-02-18T13:00:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 17th, 11:17–12:05 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15609 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Mashhad, 1913: Tuesday 18 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": "1913-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-18", "confidence": "determinate" } ], "quote": "In Mashhad, Bhīṣma Dvādaśī 1913 falls on Tuesday 18 February. Dvādaśī runs from 19:21 on Mon 17 Feb to 16:25 on Tue 18 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/pradosha-vrata?on=1913-02-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2673, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-02-18T16:26:08+03:26", "utc": "1913-02-18T13:00:08Z", "ms": -1794567591511.6023 }, "end": { "local": "1913-02-19T13:01:58+03:26", "utc": "1913-02-19T09:35:58Z", "ms": -1794493442374.4575 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-18T16:26:08+03:26", "utc": "1913-02-18T13:00:08Z", "ms": -1794567591511.6023 }, "end": { "local": "1913-02-19T13:01:58+03:26", "utc": "1913-02-19T09:35:58Z", "ms": -1794493442374.4575 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-02-18", "window": { "start": { "local": "1913-02-18T17:10:41+03:26", "utc": "1913-02-18T13:44:41Z", "ms": -1794564918959.542 }, "end": { "local": "1913-02-18T18:54:53+03:26", "utc": "1913-02-18T15:28:53Z", "ms": -1794558667403.3252 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1913-02-19", "window": { "start": { "local": "1913-02-19T17:11:41+03:26", "utc": "1913-02-19T13:45:41Z", "ms": -1794478459082.5708 }, "end": { "local": "1913-02-19T18:55:35+03:26", "utc": "1913-02-19T15:29:35Z", "ms": -1794472225002.4192 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:25 on Tue 18 Feb to 13:01 on Wed 19 Feb.", "fact": "1913-02-18T13:00:08Z → 1913-02-19T09:35:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:10–18:54 on the 18th, 17:11–18:55 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 18th and 0 of 104 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2673 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Tuesday 18 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": "1913-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-18", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Tuesday 18 February. Trayodaśī runs from 16:25 on Tue 18 Feb to 13:01 on Wed 19 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7106, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-02-20T09:19:23+03:26", "utc": "1913-02-20T05:53:23Z", "ms": -1794420397272.5598 }, "end": { "local": "1913-02-21T05:29:07+03:26", "utc": "1913-02-21T02:03:07Z", "ms": -1794347812583.0479 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1913-02-20T09:19:23+03:26", "utc": "1913-02-20T05:53:23Z", "ms": -1794420397272.5598 }, "end": { "local": "1913-02-21T05:29:07+03:26", "utc": "1913-02-21T02:03:07Z", "ms": -1794347812583.0479 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-02-20", "window": { "start": { "local": "1913-02-20T11:17:48+03:26", "utc": "1913-02-20T07:51:48Z", "ms": -1794413291513.4556 }, "end": { "local": "1913-02-20T12:05:48+03:26", "utc": "1913-02-20T08:39:48Z", "ms": -1794410411513.4556 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-02-21", "window": { "start": { "local": "1913-02-21T11:17:42+03:26", "utc": "1913-02-21T07:51:42Z", "ms": -1794326898013.875 }, "end": { "local": "1913-02-21T12:05:42+03:26", "utc": "1913-02-21T08:39:42Z", "ms": -1794324018013.875 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:18 on Thu 20 Feb to 05:28 on Fri 21 Feb.", "fact": "1913-02-20T05:53:23Z → 1913-02-21T02:03:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 20th, 11:17–12:05 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7106 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Mashhad, 1913: Thursday 20 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": "1913-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-20", "confidence": "determinate" } ], "quote": "In Mashhad, Māghī Pūrṇimā 1913 falls on Thursday 20 February. Pūrṇimā runs from 09:18 on Thu 20 Feb to 05:28 on Fri 21 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-02-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4493, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-02-23T18:58:20+03:26", "utc": "1913-02-23T15:32:20Z", "ms": -1794126459892.0747 }, "end": { "local": "1913-02-24T16:20:17+03:26", "utc": "1913-02-24T12:54:17Z", "ms": -1794049543409.249 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1913-02-23T18:58:20+03:26", "utc": "1913-02-23T15:32:20Z", "ms": -1794126459892.0747 }, "end": { "local": "1913-02-24T16:20:17+03:26", "utc": "1913-02-24T12:54:17Z", "ms": -1794049543409.249 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-02-23", "window": { "start": { "local": "1913-02-23T20:13:13+03:26", "utc": "1913-02-23T16:47:13Z", "ms": -1794121966773.0146 }, "end": { "local": "1913-02-23T20:13:13+03:26", "utc": "1913-02-23T16:47:13Z", "ms": -1794121966773.0146 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-02-24", "window": { "start": { "local": "1913-02-24T21:24:53+03:26", "utc": "1913-02-24T17:58:53Z", "ms": -1794031266628.8694 }, "end": { "local": "1913-02-24T21:24:53+03:26", "utc": "1913-02-24T17:58:53Z", "ms": -1794031266628.8694 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:57 on Sun 23 Feb to 16:19 on Mon 24 Feb.", "fact": "1913-02-23T15:32:20Z → 1913-02-24T12:54:17Z" }, { "step": "kaala", "text": "Moonrise is at 20:12 on the 23rd and 21:24 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4493 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Sunday 23 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-02-23", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Sunday 23 February. Caturthī runs from 18:57 on Sun 23 Feb to 16:19 on Mon 24 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-02-23", "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/1913/ekadashi?on=1913-03-03", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34309, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-03-02T15:30:04+03:26", "utc": "1913-03-02T12:04:04Z", "ms": -1793534155941.0554 }, "end": { "local": "1913-03-03T17:33:41+03:26", "utc": "1913-03-03T14:07:41Z", "ms": -1793440339051.4478 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1913-03-02T15:30:04+03:26", "utc": "1913-03-02T12:04:04Z", "ms": -1793534155941.0554 }, "end": { "local": "1913-03-03T17:33:41+03:26", "utc": "1913-03-03T14:07:41Z", "ms": -1793440339051.4478 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-03-02", "window": { "start": { "local": "1913-03-02T05:58:15+03:26", "utc": "1913-03-02T02:32:15Z", "ms": -1793568465186.1855 }, "end": { "local": "1913-03-02T05:58:15+03:26", "utc": "1913-03-02T02:32:15Z", "ms": -1793568465186.1855 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-03-03", "window": { "start": { "local": "1913-03-03T05:56:54+03:26", "utc": "1913-03-03T02:30:54Z", "ms": -1793482145605.4492 }, "end": { "local": "1913-03-03T05:56:54+03:26", "utc": "1913-03-03T02:30:54Z", "ms": -1793482145605.4492 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:29 on Sun 2 Mar to 17:33 on Mon 3 Mar.", "fact": "1913-03-02T12:04:04Z → 1913-03-03T14:07:41Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 2nd and 05:56 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34309 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Mashhad, 1913: Monday 3 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": "1913-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-03", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Ekādaśī 1913 falls on Monday 3 March. Ekādaśī runs from 15:29 on Sun 2 Mar to 17:33 on Mon 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-03-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-disputed" ], "boundary_margin_s": 2564, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-03-05T22:32:13+03:26", "utc": "1913-03-05T19:06:13Z", "ms": -1793249626941.5955 }, "end": { "local": "1913-03-07T01:11:26+03:26", "utc": "1913-03-06T21:45:26Z", "ms": -1793153673669.7786 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1913-03-05T22:32:13+03:26", "utc": "1913-03-05T19:06:13Z", "ms": -1793249626941.5955 }, "end": { "local": "1913-03-07T01:11:26+03:26", "utc": "1913-03-06T21:45:26Z", "ms": -1793153673669.7786 } }, "kaala": "nishita", "days": [ { "local_date": "1913-03-05", "window": { "start": { "local": "1913-03-05T23:14:57+03:26", "utc": "1913-03-05T19:48:57Z", "ms": -1793247062578.7246 }, "end": { "local": "1913-03-06T00:02:57+03:26", "utc": "1913-03-05T20:36:57Z", "ms": -1793244182578.7246 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-03-06", "window": { "start": { "local": "1913-03-06T23:14:44+03:26", "utc": "1913-03-06T19:48:44Z", "ms": -1793160676395.495 }, "end": { "local": "1913-03-07T00:02:44+03:26", "utc": "1913-03-06T20:36:44Z", "ms": -1793157796395.495 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:31 on Wed 5 Mar to 01:10 on Fri 7 Mar.", "fact": "1913-03-05T19:06:13Z → 1913-03-06T21:45:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:14–00:02 on the 5th, 23:14–00:02 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both nights qualify and the cited authorities disagree. The one covered longer is ruled, as a boundary.", "fact": "priority: disputed → greater-coverage · margin 2564 s" }, { "step": "ruling", "text": "Mahāśivarātri, Mashhad, 1913: Wednesday 5 March.", "fact": "confidence: boundary (tie-break-disputed)" } ], "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": "1913-03-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-05", "confidence": "boundary" } ], "quote": "In Mashhad, Mahāśivarātri 1913 falls on Wednesday 5 March. Caturdaśī runs from 22:31 on Wed 5 Mar to 01:10 on Fri 7 Mar 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/1913/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/1913/pradosha-vrata?on=1913-03-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3178, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-03-04T19:57:08+03:26", "utc": "1913-03-04T16:31:08Z", "ms": -1793345331825.5808 }, "end": { "local": "1913-03-05T22:32:13+03:26", "utc": "1913-03-05T19:06:13Z", "ms": -1793249626941.5955 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1913-03-04T19:57:08+03:26", "utc": "1913-03-04T16:31:08Z", "ms": -1793345331825.5808 }, "end": { "local": "1913-03-05T22:32:13+03:26", "utc": "1913-03-05T19:06:13Z", "ms": -1793249626941.5955 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-03-04", "window": { "start": { "local": "1913-03-04T17:24:10+03:26", "utc": "1913-03-04T13:58:10Z", "ms": -1793354510018.4292 }, "end": { "local": "1913-03-04T19:04:10+03:26", "utc": "1913-03-04T15:38:10Z", "ms": -1793348509796.5435 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1913-03-05", "window": { "start": { "local": "1913-03-05T17:25:05+03:26", "utc": "1913-03-05T13:59:05Z", "ms": -1793268054533.339 }, "end": { "local": "1913-03-05T19:04:47+03:26", "utc": "1913-03-05T15:38:47Z", "ms": -1793262072678.7751 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:56 on Tue 4 Mar to 22:31 on Wed 5 Mar.", "fact": "1913-03-04T16:31:08Z → 1913-03-05T19:06:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–19:03 on the 4th, 17:24–19:04 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 4th and 100 of 100 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3178 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Wednesday 5 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": "1913-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-05", "confidence": "boundary" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Wednesday 5 March. Trayodaśī runs from 19:56 on Tue 4 Mar to 22:31 on Wed 5 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-03-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-11", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 631, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-03-11T10:23:42+03:26", "utc": "1913-03-11T06:57:42Z", "ms": -1792774938017.5225 }, "end": { "local": "1913-03-12T11:51:25+03:26", "utc": "1913-03-12T08:25:25Z", "ms": -1792683275254.9792 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1913-03-11T10:23:42+03:26", "utc": "1913-03-11T06:57:42Z", "ms": -1792774938017.5225 }, "end": { "local": "1913-03-12T11:51:25+03:26", "utc": "1913-03-12T08:25:25Z", "ms": -1792683275254.9792 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-03-11", "window": { "start": { "local": "1913-03-11T11:14:11+03:26", "utc": "1913-03-11T07:48:11Z", "ms": -1792771908676.1238 }, "end": { "local": "1913-03-11T12:02:11+03:26", "utc": "1913-03-11T08:36:11Z", "ms": -1792769028676.1238 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-03-12", "window": { "start": { "local": "1913-03-12T11:13:56+03:26", "utc": "1913-03-12T07:47:56Z", "ms": -1792685524496.7744 }, "end": { "local": "1913-03-12T12:01:56+03:26", "utc": "1913-03-12T08:35:56Z", "ms": -1792682644496.7744 } }, "covered_min": 37, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:23 on Tue 11 Mar to 11:50 on Wed 12 Mar.", "fact": "1913-03-11T06:57:42Z → 1913-03-12T08:25:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 11th, 11:13–12:01 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 37 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 631 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Tuesday 11 March.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-03-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-11", "confidence": "boundary" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Tuesday 11 March. Caturthī runs from 10:23 on Tue 11 Mar to 11:50 on Wed 12 Mar and covers all of madhyāhna that midday. It also reaches the next midday for 37 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/1913/vinayaka-chaturthi?on=1913-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/ekadashi?on=1913-03-18", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1693, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-03-18T07:53:05+03:26", "utc": "1913-03-18T04:27:05Z", "ms": -1792179175452.0464 }, "end": { "local": "1913-03-19T05:06:06+03:26", "utc": "1913-03-19T01:40:06Z", "ms": -1792102793523.825 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1913-03-18T07:53:05+03:26", "utc": "1913-03-18T04:27:05Z", "ms": -1792179175452.0464 }, "end": { "local": "1913-03-19T05:06:06+03:26", "utc": "1913-03-19T01:40:06Z", "ms": -1792102793523.825 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-03-18", "window": { "start": { "local": "1913-03-18T05:35:47+03:26", "utc": "1913-03-18T02:09:47Z", "ms": -1792187413030.3794 }, "end": { "local": "1913-03-18T05:35:47+03:26", "utc": "1913-03-18T02:09:47Z", "ms": -1792187413030.3794 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-03-19", "window": { "start": { "local": "1913-03-19T05:34:20+03:26", "utc": "1913-03-19T02:08:20Z", "ms": -1792101100269.72 }, "end": { "local": "1913-03-19T05:34:20+03:26", "utc": "1913-03-19T02:08:20Z", "ms": -1792101100269.72 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:52 on Tue 18 Mar to 05:05 on Wed 19 Mar.", "fact": "1913-03-18T04:27:05Z → 1913-03-19T01:40:06Z" }, { "step": "kaala", "text": "Sunrise is at 05:35 on the 18th and 05:33 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is not on the 19th.", "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 1693 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Mashhad, 1913: Tuesday 18 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": "1913-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-18", "confidence": "determinate" } ], "quote": "In Mashhad, Āmalakī Ekādaśī 1913 falls on Tuesday 18 March. Ekādaśī runs from 07:52 on Tue 18 Mar to 05:05 on Wed 19 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-03-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11663, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-03-20T01:55:00+03:26", "utc": "1913-03-19T22:29:00Z", "ms": -1792027860011.4175 }, "end": { "local": "1913-03-20T22:27:53+03:26", "utc": "1913-03-20T19:01:53Z", "ms": -1791953887439.0562 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1913-03-20T01:55:00+03:26", "utc": "1913-03-19T22:29:00Z", "ms": -1792027860011.4175 }, "end": { "local": "1913-03-20T22:27:53+03:26", "utc": "1913-03-20T19:01:53Z", "ms": -1791953887439.0562 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-03-19", "window": { "start": { "local": "1913-03-19T17:37:34+03:26", "utc": "1913-03-19T14:11:34Z", "ms": -1792057706023.8425 }, "end": { "local": "1913-03-19T19:12:56+03:26", "utc": "1913-03-19T15:46:56Z", "ms": -1792051983578.0886 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1913-03-20", "window": { "start": { "local": "1913-03-20T17:38:26+03:26", "utc": "1913-03-20T14:12:26Z", "ms": -1791971254286.4482 }, "end": { "local": "1913-03-20T19:13:30+03:26", "utc": "1913-03-20T15:47:30Z", "ms": -1791965550412.4644 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:54 on Thu 20 Mar to 22:27 on Thu 20 Mar.", "fact": "1913-03-19T22:29:00Z → 1913-03-20T19:01:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:12 on the 19th, 17:37–19:12 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 19th and 95 of 95 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 11663 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Thursday 20 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": "1913-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-20", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Thursday 20 March. Trayodaśī runs from 01:54 on Thu 20 Mar to 22:27 on Thu 20 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 464, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-03-21T18:53:41+03:26", "utc": "1913-03-21T15:27:41Z", "ms": -1791880339098.694 }, "end": { "local": "1913-03-22T15:21:51+03:26", "utc": "1913-03-22T11:55:51Z", "ms": -1791806649372.8926 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1913-03-21T18:53:41+03:26", "utc": "1913-03-21T15:27:41Z", "ms": -1791880339098.694 }, "end": { "local": "1913-03-22T15:21:51+03:26", "utc": "1913-03-22T11:55:51Z", "ms": -1791806649372.8926 } }, "kaala": "sayahna", "days": [ { "local_date": "1913-03-21", "window": { "start": { "local": "1913-03-21T15:13:43+03:26", "utc": "1913-03-21T11:47:43Z", "ms": -1791893537219.8447 }, "end": { "local": "1913-03-21T17:39:17+03:26", "utc": "1913-03-21T14:13:17Z", "ms": -1791884802716.9136 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1913-03-22", "window": { "start": { "local": "1913-03-22T15:14:06+03:26", "utc": "1913-03-22T11:48:06Z", "ms": -1791807113615.7356 }, "end": { "local": "1913-03-22T17:40:09+03:26", "utc": "1913-03-22T14:14:09Z", "ms": -1791798351297.0227 } }, "covered_min": 8, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:53 on Fri 21 Mar to 15:21 on Sat 22 Mar.", "fact": "1913-03-21T15:27:41Z → 1913-03-22T11:55:51Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:13–17:38 on the 21st, 15:13–17:39 on the 22nd.", "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 146 minutes on the 21st and 8 of 146 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 464 s" }, { "step": "ruling", "text": "Holikā Dahana, Mashhad, 1913: Saturday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-22", "confidence": "determinate" } ], "quote": "In Mashhad, Holikā Dahana 1913 falls on Saturday 22 March. Pūrṇimā runs from 18:53 on Fri 21 Mar to 15:21 on Sat 22 Mar and covers 8 of 146 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 464, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-03-21T18:53:41+03:26", "utc": "1913-03-21T15:27:41Z", "ms": -1791880339098.694 }, "end": { "local": "1913-03-22T15:21:51+03:26", "utc": "1913-03-22T11:55:51Z", "ms": -1791806649372.8926 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1913-03-21T18:53:41+03:26", "utc": "1913-03-21T15:27:41Z", "ms": -1791880339098.694 }, "end": { "local": "1913-03-22T15:21:51+03:26", "utc": "1913-03-22T11:55:51Z", "ms": -1791806649372.8926 } }, "kaala": "sayahna", "days": [ { "local_date": "1913-03-21", "window": { "start": { "local": "1913-03-21T15:13:43+03:26", "utc": "1913-03-21T11:47:43Z", "ms": -1791893537219.8447 }, "end": { "local": "1913-03-21T17:39:17+03:26", "utc": "1913-03-21T14:13:17Z", "ms": -1791884802716.9136 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1913-03-22", "window": { "start": { "local": "1913-03-22T15:14:06+03:26", "utc": "1913-03-22T11:48:06Z", "ms": -1791807113615.7356 }, "end": { "local": "1913-03-22T17:40:09+03:26", "utc": "1913-03-22T14:14:09Z", "ms": -1791798351297.0227 } }, "covered_min": 8, "window_min": 146, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1913-03-22", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:53 on Fri 21 Mar to 15:21 on Sat 22 Mar.", "fact": "1913-03-21T15:27:41Z → 1913-03-22T11:55:51Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:13–17:38 on the 21st, 15:13–17:39 on the 22nd.", "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 146 minutes on the 21st and 8 of 146 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 464 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Saturday 22 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Mashhad, 1913: Sunday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-23", "confidence": "determinate" } ], "quote": "In Mashhad, Holī 1913 falls on Sunday 23 March. It is kept the day after Holikā Dahana, which falls on Saturday 22 March. Pūrṇimā runs from 18:53 on Fri 21 Mar to 15:21 on Sat 22 Mar and covers 8 of 146 minutes of sāyāhna on the 22nd.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23608, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1913-03-22T15:21:51+03:26", "utc": "1913-03-22T11:55:51Z", "ms": -1791806649372.8926 }, "end": { "local": "1913-03-23T12:01:58+03:26", "utc": "1913-03-23T08:35:58Z", "ms": -1791732242303.3804 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-03-22T15:21:51+03:26", "utc": "1913-03-22T11:55:51Z", "ms": -1791806649372.8926 }, "end": { "local": "1913-03-23T12:01:58+03:26", "utc": "1913-03-23T08:35:58Z", "ms": -1791732242303.3804 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-03-22", "window": { "start": { "local": "1913-03-22T05:29:57+03:26", "utc": "1913-03-22T02:03:57Z", "ms": -1791842162890.5874 }, "end": { "local": "1913-03-22T05:29:57+03:26", "utc": "1913-03-22T02:03:57Z", "ms": -1791842162890.5874 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-03-23", "window": { "start": { "local": "1913-03-23T05:28:29+03:26", "utc": "1913-03-23T02:02:29Z", "ms": -1791755850626.0059 }, "end": { "local": "1913-03-23T05:28:29+03:26", "utc": "1913-03-23T02:02:29Z", "ms": -1791755850626.0059 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:21 on Sat 22 Mar to 12:01 on Sun 23 Mar.", "fact": "1913-03-22T11:55:51Z → 1913-03-23T08:35:58Z" }, { "step": "kaala", "text": "Sunrise is at 05:29 on the 22nd and 05:27 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 23608 s" }, { "step": "ruling", "text": "Vasantotsava, Mashhad, 1913: Sunday 23 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": "1913-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-23", "confidence": "determinate" } ], "quote": "In Mashhad, Vasantotsava 1913 falls on Sunday 23 March. Pratipadā runs from 15:21 on Sat 22 Mar to 12:01 on Sun 23 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-03-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26403, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-03-25T06:35:18+03:26", "utc": "1913-03-25T03:09:18Z", "ms": -1791579042069.1868 }, "end": { "local": "1913-03-26T04:45:14+03:26", "utc": "1913-03-26T01:19:14Z", "ms": -1791499245839.1562 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-03-25T06:35:18+03:26", "utc": "1913-03-25T03:09:18Z", "ms": -1791579042069.1868 }, "end": { "local": "1913-03-26T04:45:14+03:26", "utc": "1913-03-26T01:19:14Z", "ms": -1791499245839.1562 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-03-24", "window": { "start": { "local": "1913-03-24T20:12:17+03:26", "utc": "1913-03-24T16:46:17Z", "ms": -1791616423477.9746 }, "end": { "local": "1913-03-24T20:12:17+03:26", "utc": "1913-03-24T16:46:17Z", "ms": -1791616423477.9746 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-03-25", "window": { "start": { "local": "1913-03-25T21:25:11+03:26", "utc": "1913-03-25T17:59:11Z", "ms": -1791525649180.828 }, "end": { "local": "1913-03-25T21:25:11+03:26", "utc": "1913-03-25T17:59:11Z", "ms": -1791525649180.828 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:34 on Tue 25 Mar to 04:44 on Wed 26 Mar.", "fact": "1913-03-25T03:09:18Z → 1913-03-26T01:19:14Z" }, { "step": "kaala", "text": "Moonrise is at 20:11 on the 24th and 21:24 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 on the 25th.", "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 26403 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Tuesday 25 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": "1913-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-25", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Tuesday 25 March. Caturthī runs from 06:34 on Tue 25 Mar to 04:44 on Wed 26 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-03-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21766, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1913-03-29T03:51:15+03:26", "utc": "1913-03-29T00:25:15Z", "ms": -1791243285407.256 }, "end": { "local": "1913-03-30T05:05:50+03:26", "utc": "1913-03-30T01:39:50Z", "ms": -1791152410200.6082 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-03-29T03:51:15+03:26", "utc": "1913-03-29T00:25:15Z", "ms": -1791243285407.256 }, "end": { "local": "1913-03-30T05:05:50+03:26", "utc": "1913-03-30T01:39:50Z", "ms": -1791152410200.6082 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-03-29", "window": { "start": { "local": "1913-03-29T11:08:55+03:26", "utc": "1913-03-29T07:42:55Z", "ms": -1791217025490.0713 }, "end": { "local": "1913-03-29T11:56:55+03:26", "utc": "1913-03-29T08:30:55Z", "ms": -1791214145490.0713 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-03-30", "window": { "start": { "local": "1913-03-30T11:08:36+03:26", "utc": "1913-03-30T07:42:36Z", "ms": -1791130643787.0283 }, "end": { "local": "1913-03-30T11:56:36+03:26", "utc": "1913-03-30T08:30:36Z", "ms": -1791127763787.0283 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:50 on Sat 29 Mar to 05:05 on Sun 30 Mar.", "fact": "1913-03-29T00:25:15Z → 1913-03-30T01:39:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 29th, 11:08–11:56 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21766 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Mashhad, 1913: Saturday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-03-29", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalāṣṭamī 1913 falls on Saturday 29 March. Aṣṭamī runs from 03:50 on Sat 29 Mar to 05:05 on Sun 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-04-02", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14514, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-04-01T09:17:15+03:26", "utc": "1913-04-01T05:51:15Z", "ms": -1790964524708.452 }, "end": { "local": "1913-04-02T11:52:09+03:26", "utc": "1913-04-02T08:26:09Z", "ms": -1790868830746.7576 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-01T09:17:15+03:26", "utc": "1913-04-01T05:51:15Z", "ms": -1790964524708.452 }, "end": { "local": "1913-04-02T11:52:09+03:26", "utc": "1913-04-02T08:26:09Z", "ms": -1790868830746.7576 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-04-01", "window": { "start": { "local": "1913-04-01T05:15:21+03:26", "utc": "1913-04-01T01:49:21Z", "ms": -1790979038538.9062 }, "end": { "local": "1913-04-01T05:15:21+03:26", "utc": "1913-04-01T01:49:21Z", "ms": -1790979038538.9062 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-04-02", "window": { "start": { "local": "1913-04-02T05:13:55+03:26", "utc": "1913-04-02T01:47:55Z", "ms": -1790892725341.799 }, "end": { "local": "1913-04-02T05:13:55+03:26", "utc": "1913-04-02T01:47:55Z", "ms": -1790892725341.799 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:16 on Tue 1 Apr to 11:51 on Wed 2 Apr.", "fact": "1913-04-01T05:51:15Z → 1913-04-02T08:26:09Z" }, { "step": "kaala", "text": "Sunrise is at 05:14 on the 1st and 05:13 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14514 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Mashhad, 1913: Wednesday 2 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": "1913-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-02", "confidence": "determinate" } ], "quote": "In Mashhad, Pāpamocanī Ekādaśī 1913 falls on Wednesday 2 April. Ekādaśī runs from 09:16 on Tue 1 Apr to 11:51 on Wed 2 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-04-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-04-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2930, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-04-03T14:30:42+03:26", "utc": "1913-04-03T11:04:42Z", "ms": -1790772917733.7136 }, "end": { "local": "1913-04-04T17:02:21+03:26", "utc": "1913-04-04T13:36:21Z", "ms": -1790677419294.433 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-03T14:30:42+03:26", "utc": "1913-04-03T11:04:42Z", "ms": -1790772917733.7136 }, "end": { "local": "1913-04-04T17:02:21+03:26", "utc": "1913-04-04T13:36:21Z", "ms": -1790677419294.433 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-04-03", "window": { "start": { "local": "1913-04-03T17:50:20+03:26", "utc": "1913-04-03T14:24:20Z", "ms": -1790760940258.8225 }, "end": { "local": "1913-04-03T19:21:05+03:26", "utc": "1913-04-03T15:55:05Z", "ms": -1790755494644.7812 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "1913-04-04", "window": { "start": { "local": "1913-04-04T17:51:10+03:26", "utc": "1913-04-04T14:25:10Z", "ms": -1790674489510.9001 }, "end": { "local": "1913-04-04T19:21:38+03:26", "utc": "1913-04-04T15:55:38Z", "ms": -1790669062123.6174 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:30 on Thu 3 Apr to 17:01 on Fri 4 Apr.", "fact": "1913-04-03T11:04:42Z → 1913-04-04T13:36:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:20 on the 3rd, 17:50–19:21 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 91 of 91 minutes on the 3rd and 0 of 90 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 2930 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Thursday 3 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": "1913-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-03", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Thursday 3 April. Trayodaśī runs from 14:30 on Thu 3 Apr to 17:01 on Fri 4 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-04-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-04-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13644, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-04-04T17:02:21+03:26", "utc": "1913-04-04T13:36:21Z", "ms": -1790677419294.433 }, "end": { "local": "1913-04-05T19:18:41+03:26", "utc": "1913-04-05T15:52:41Z", "ms": -1790582838670.2463 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-04T17:02:21+03:26", "utc": "1913-04-04T13:36:21Z", "ms": -1790677419294.433 }, "end": { "local": "1913-04-05T19:18:41+03:26", "utc": "1913-04-05T15:52:41Z", "ms": -1790582838670.2463 } }, "kaala": "nishita", "days": [ { "local_date": "1913-04-04", "window": { "start": { "local": "1913-04-04T23:06:23+03:26", "utc": "1913-04-04T19:40:23Z", "ms": -1790655576808.5896 }, "end": { "local": "1913-04-04T23:54:23+03:26", "utc": "1913-04-04T20:28:23Z", "ms": -1790652696808.5896 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-04-05", "window": { "start": { "local": "1913-04-05T23:06:06+03:26", "utc": "1913-04-05T19:40:06Z", "ms": -1790569194238.1362 }, "end": { "local": "1913-04-05T23:54:06+03:26", "utc": "1913-04-05T20:28:06Z", "ms": -1790566314238.1362 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:01 on Fri 4 Apr to 19:18 on Sat 5 Apr.", "fact": "1913-04-04T13:36:21Z → 1913-04-05T15:52:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:05–23:53 on the 4th, 23:05–23:53 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 0 of 48 on the 5th.", "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 13644 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Friday 4 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": "1913-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-04", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Friday 4 April. Caturdaśī runs from 17:01 on Fri 4 Apr to 19:18 on Sat 5 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33555, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1913-04-06T21:13:46+03:26", "utc": "1913-04-06T17:47:46Z", "ms": -1790489534268.2253 }, "end": { "local": "1913-04-07T22:43:45+03:26", "utc": "1913-04-07T19:17:45Z", "ms": -1790397734556.9563 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-06T21:13:46+03:26", "utc": "1913-04-06T17:47:46Z", "ms": -1790489534268.2253 }, "end": { "local": "1913-04-07T22:43:45+03:26", "utc": "1913-04-07T19:17:45Z", "ms": -1790397734556.9563 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-06", "window": { "start": { "local": "1913-04-06T11:06:31+03:26", "utc": "1913-04-06T07:40:31Z", "ms": -1790525968855.3115 }, "end": { "local": "1913-04-06T11:54:31+03:26", "utc": "1913-04-06T08:28:31Z", "ms": -1790523088855.3115 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-04-07", "window": { "start": { "local": "1913-04-07T11:06:14+03:26", "utc": "1913-04-07T07:40:14Z", "ms": -1790439586089.0186 }, "end": { "local": "1913-04-07T11:54:14+03:26", "utc": "1913-04-07T08:28:14Z", "ms": -1790436706089.0186 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:13 on Sun 6 Apr to 22:43 on Mon 7 Apr.", "fact": "1913-04-06T17:47:46Z → 1913-04-07T19:17:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 6th, 11:05–11:53 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33555 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Mashhad, 1913: Monday 7 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": "1913-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-07", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Caitra) (Chaitra Navratri) 1913 falls on Monday 7 April. Pratipadā runs from 21:13 on Sun 6 Apr to 22:43 on Mon 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38663, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1913-04-08T23:46:31+03:26", "utc": "1913-04-08T20:20:31Z", "ms": -1790307568624.1064 }, "end": { "local": "1913-04-10T00:21:01+03:26", "utc": "1913-04-09T20:55:01Z", "ms": -1790219099366.8257 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-08T23:46:31+03:26", "utc": "1913-04-08T20:20:31Z", "ms": -1790307568624.1064 }, "end": { "local": "1913-04-10T00:21:01+03:26", "utc": "1913-04-09T20:55:01Z", "ms": -1790219099366.8257 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-09", "window": { "start": { "local": "1913-04-09T11:05:40+03:26", "utc": "1913-04-09T07:39:40Z", "ms": -1790266819926.0078 }, "end": { "local": "1913-04-09T11:53:40+03:26", "utc": "1913-04-09T08:27:40Z", "ms": -1790263939926.0078 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-04-10", "window": { "start": { "local": "1913-04-10T11:05:23+03:26", "utc": "1913-04-10T07:39:23Z", "ms": -1790180436500.5413 }, "end": { "local": "1913-04-10T11:53:23+03:26", "utc": "1913-04-10T08:27:23Z", "ms": -1790177556500.5413 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:46 on Tue 8 Apr to 00:20 on Thu 10 Apr.", "fact": "1913-04-08T20:20:31Z → 1913-04-09T20:55:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 9th, 11:04–11:52 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38663 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Mashhad, 1913: Wednesday 9 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": "1913-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-09", "confidence": "determinate" } ], "quote": "In Mashhad, Gaurī Tṛtīyā (Gangaur) 1913 falls on Wednesday 9 April. Tṛtīyā runs from 23:46 on Tue 8 Apr to 00:20 on Thu 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38663, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1913-04-08T23:46:31+03:26", "utc": "1913-04-08T20:20:31Z", "ms": -1790307568624.1064 }, "end": { "local": "1913-04-10T00:21:01+03:26", "utc": "1913-04-09T20:55:01Z", "ms": -1790219099366.8257 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-08T23:46:31+03:26", "utc": "1913-04-08T20:20:31Z", "ms": -1790307568624.1064 }, "end": { "local": "1913-04-10T00:21:01+03:26", "utc": "1913-04-09T20:55:01Z", "ms": -1790219099366.8257 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-09", "window": { "start": { "local": "1913-04-09T11:05:40+03:26", "utc": "1913-04-09T07:39:40Z", "ms": -1790266819926.0078 }, "end": { "local": "1913-04-09T11:53:40+03:26", "utc": "1913-04-09T08:27:40Z", "ms": -1790263939926.0078 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-04-10", "window": { "start": { "local": "1913-04-10T11:05:23+03:26", "utc": "1913-04-10T07:39:23Z", "ms": -1790180436500.5413 }, "end": { "local": "1913-04-10T11:53:23+03:26", "utc": "1913-04-10T08:27:23Z", "ms": -1790177556500.5413 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:46 on Tue 8 Apr to 00:20 on Thu 10 Apr.", "fact": "1913-04-08T20:20:31Z → 1913-04-09T20:55:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 9th, 11:04–11:52 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38663 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Mashhad, 1913: Wednesday 9 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": "1913-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-09", "confidence": "determinate" } ], "quote": "In Mashhad, Saubhāgya Śayana Vrata 1913 falls on Wednesday 9 April. Tṛtīyā runs from 23:46 on Tue 8 Apr to 00:20 on Thu 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vinayaka-chaturthi?on=1913-04-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38297, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-04-10T00:21:01+03:26", "utc": "1913-04-09T20:55:01Z", "ms": -1790219099366.8257 }, "end": { "local": "1913-04-11T00:26:50+03:26", "utc": "1913-04-10T21:00:50Z", "ms": -1790132350221.904 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-10T00:21:01+03:26", "utc": "1913-04-09T20:55:01Z", "ms": -1790219099366.8257 }, "end": { "local": "1913-04-11T00:26:50+03:26", "utc": "1913-04-10T21:00:50Z", "ms": -1790132350221.904 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-10", "window": { "start": { "local": "1913-04-10T11:05:23+03:26", "utc": "1913-04-10T07:39:23Z", "ms": -1790180436500.5413 }, "end": { "local": "1913-04-10T11:53:23+03:26", "utc": "1913-04-10T08:27:23Z", "ms": -1790177556500.5413 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-04-11", "window": { "start": { "local": "1913-04-11T11:05:07+03:26", "utc": "1913-04-11T07:39:07Z", "ms": -1790094052826.9954 }, "end": { "local": "1913-04-11T11:53:07+03:26", "utc": "1913-04-11T08:27:07Z", "ms": -1790091172826.9954 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:20 on Thu 10 Apr to 00:26 on Fri 11 Apr.", "fact": "1913-04-09T20:55:01Z → 1913-04-10T21:00:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 10th, 11:04–11:52 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 38297 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Thursday 10 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": "1913-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-10", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Thursday 10 April. Caturthī runs from 00:20 on Thu 10 Apr to 00:26 on Fri 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38297, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1913-04-11T00:26:50+03:26", "utc": "1913-04-10T21:00:50Z", "ms": -1790132350221.904 }, "end": { "local": "1913-04-12T00:03:59+03:26", "utc": "1913-04-11T20:37:59Z", "ms": -1790047320845.3945 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-11T00:26:50+03:26", "utc": "1913-04-10T21:00:50Z", "ms": -1790132350221.904 }, "end": { "local": "1913-04-12T00:03:59+03:26", "utc": "1913-04-11T20:37:59Z", "ms": -1790047320845.3945 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-11", "window": { "start": { "local": "1913-04-11T11:05:07+03:26", "utc": "1913-04-11T07:39:07Z", "ms": -1790094052826.9954 }, "end": { "local": "1913-04-11T11:53:07+03:26", "utc": "1913-04-11T08:27:07Z", "ms": -1790091172826.9954 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-04-12", "window": { "start": { "local": "1913-04-12T11:04:51+03:26", "utc": "1913-04-12T07:38:51Z", "ms": -1790007668891.377 }, "end": { "local": "1913-04-12T11:52:51+03:26", "utc": "1913-04-12T08:26:51Z", "ms": -1790004788891.377 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:26 on Fri 11 Apr to 00:03 on Sat 12 Apr.", "fact": "1913-04-10T21:00:50Z → 1913-04-11T20:37:59Z" }, { "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": "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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 38297 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Mashhad, 1913: Friday 11 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": "1913-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-11", "confidence": "determinate" } ], "quote": "In Mashhad, Lakṣmī Pañcamī 1913 falls on Friday 11 April. Pañcamī runs from 00:26 on Fri 11 Apr to 00:03 on Sat 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10458, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1913-04-13T07:52:41+03:26", "utc": "1913-04-13T04:26:41Z", "ms": -1789932798906.4717 }, "end": { "local": "1913-05-14T04:55:42+03:26", "utc": "1913-05-14T01:29:42Z", "ms": -1787265017982.7446 } }, "span": { "of": "transit", "start": { "local": "1913-04-13T07:52:41+03:26", "utc": "1913-04-13T04:26:41Z", "ms": -1789932798906.4717 }, "end": { "local": "1913-04-13T07:52:41+03:26", "utc": "1913-04-13T04:26:41Z", "ms": -1789932798906.4717 } }, "kaala": "day", "days": [ { "local_date": "1913-04-12", "window": { "start": { "local": "1913-04-12T04:59:45+03:26", "utc": "1913-04-12T01:33:45Z", "ms": -1790029574760.6733 }, "end": { "local": "1913-04-13T04:58:23+03:26", "utc": "1913-04-13T01:32:23Z", "ms": -1789943257239.8289 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "1913-04-13", "window": { "start": { "local": "1913-04-13T04:58:23+03:26", "utc": "1913-04-13T01:32:23Z", "ms": -1789943257239.8289 }, "end": { "local": "1913-04-14T04:57:01+03:26", "utc": "1913-04-14T01:31:01Z", "ms": -1789856939160.9314 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 07:52 on Sun 13 Apr.", "fact": "1913-04-13T04:26:41Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 04:59 on the 12th, and from 04:57 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 10458 s" }, { "step": "ruling", "text": "Vaiśākhī, Mashhad, 1913: Sunday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1913-04-13", "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": "1913-04-13", "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 1913 falls on Sunday 13 April. The Sun enters Meṣa at 07:52 on Sun 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29811, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1913-04-13T21:54:05+03:26", "utc": "1913-04-13T18:28:05Z", "ms": -1789882314866.2273 }, "end": { "local": "1913-04-14T20:09:10+03:26", "utc": "1913-04-14T16:43:10Z", "ms": -1789802209537.4856 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-13T21:54:05+03:26", "utc": "1913-04-13T18:28:05Z", "ms": -1789882314866.2273 }, "end": { "local": "1913-04-14T20:09:10+03:26", "utc": "1913-04-14T16:43:10Z", "ms": -1789802209537.4856 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-13", "window": { "start": { "local": "1913-04-13T11:04:35+03:26", "utc": "1913-04-13T07:38:35Z", "ms": -1789921284679.5605 }, "end": { "local": "1913-04-13T11:52:35+03:26", "utc": "1913-04-13T08:26:35Z", "ms": -1789918404679.5605 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-04-14", "window": { "start": { "local": "1913-04-14T11:04:20+03:26", "utc": "1913-04-14T07:38:20Z", "ms": -1789834900177.101 }, "end": { "local": "1913-04-14T11:52:20+03:26", "utc": "1913-04-14T08:26:20Z", "ms": -1789832020177.101 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:53 on Sun 13 Apr to 20:08 on Mon 14 Apr.", "fact": "1913-04-13T18:28:05Z → 1913-04-14T16:43:10Z" }, { "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": "Aṣṭamī 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29811 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Mashhad, 1913: Monday 14 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": "1913-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-14", "confidence": "determinate" } ], "quote": "In Mashhad, Bhavānī Utpatti 1913 falls on Monday 14 April. Aṣṭamī runs from 21:53 on Sun 13 Apr to 20:08 on Mon 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22093, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1913-04-14T20:09:10+03:26", "utc": "1913-04-14T16:43:10Z", "ms": -1789802209537.4856 }, "end": { "local": "1913-04-15T18:00:18+03:26", "utc": "1913-04-15T14:34:18Z", "ms": -1789723542414.1067 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-14T20:09:10+03:26", "utc": "1913-04-14T16:43:10Z", "ms": -1789802209537.4856 }, "end": { "local": "1913-04-15T18:00:18+03:26", "utc": "1913-04-15T14:34:18Z", "ms": -1789723542414.1067 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-14", "window": { "start": { "local": "1913-04-14T11:04:20+03:26", "utc": "1913-04-14T07:38:20Z", "ms": -1789834900177.101 }, "end": { "local": "1913-04-14T11:52:20+03:26", "utc": "1913-04-14T08:26:20Z", "ms": -1789832020177.101 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-04-15", "window": { "start": { "local": "1913-04-15T11:04:05+03:26", "utc": "1913-04-15T07:38:05Z", "ms": -1789748515369.0264 }, "end": { "local": "1913-04-15T11:52:05+03:26", "utc": "1913-04-15T08:26:05Z", "ms": -1789745635369.0264 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 20:08 on Mon 14 Apr to 17:59 on Tue 15 Apr.", "fact": "1913-04-14T16:43:10Z → 1913-04-15T14:34:18Z" }, { "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": "Navamī 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: unstated → only-day · margin 22093 s" }, { "step": "ruling", "text": "Rāma Navamī, Mashhad, 1913: Tuesday 15 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": "1913-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-15", "confidence": "determinate" } ], "quote": "In Mashhad, Rāma Navamī 1913 falls on Tuesday 15 April. Navamī runs from 20:08 on Mon 14 Apr to 17:59 on Tue 15 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-04-17", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28295, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-04-16T15:30:39+03:26", "utc": "1913-04-16T12:04:39Z", "ms": -1789646120895.2812 }, "end": { "local": "1913-04-17T12:44:33+03:26", "utc": "1913-04-17T09:18:33Z", "ms": -1789569686703.4238 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-16T15:30:39+03:26", "utc": "1913-04-16T12:04:39Z", "ms": -1789646120895.2812 }, "end": { "local": "1913-04-17T12:44:33+03:26", "utc": "1913-04-17T09:18:33Z", "ms": -1789569686703.4238 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-04-16", "window": { "start": { "local": "1913-04-16T04:54:19+03:26", "utc": "1913-04-16T01:28:19Z", "ms": -1789684301213.2048 }, "end": { "local": "1913-04-16T04:54:19+03:26", "utc": "1913-04-16T01:28:19Z", "ms": -1789684301213.2048 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-04-17", "window": { "start": { "local": "1913-04-17T04:52:59+03:26", "utc": "1913-04-17T01:26:59Z", "ms": -1789597981284.9944 }, "end": { "local": "1913-04-17T04:52:59+03:26", "utc": "1913-04-17T01:26:59Z", "ms": -1789597981284.9944 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:30 on Wed 16 Apr to 12:44 on Thu 17 Apr.", "fact": "1913-04-16T12:04:39Z → 1913-04-17T09:18:33Z" }, { "step": "kaala", "text": "Sunrise is at 04:53 on the 16th and 04:52 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 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28295 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Mashhad, 1913: Thursday 17 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": "1913-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-17", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmadā Ekādaśī 1913 falls on Thursday 17 April. Ekādaśī runs from 15:30 on Wed 16 Apr to 12:44 on Thu 17 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4556, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-04-18T09:47:25+03:26", "utc": "1913-04-18T06:21:25Z", "ms": -1789493915356.568 }, "end": { "local": "1913-04-19T06:45:40+03:26", "utc": "1913-04-19T03:19:40Z", "ms": -1789418420356.6665 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-18T09:47:25+03:26", "utc": "1913-04-18T06:21:25Z", "ms": -1789493915356.568 }, "end": { "local": "1913-04-19T06:45:40+03:26", "utc": "1913-04-19T03:19:40Z", "ms": -1789418420356.6665 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-18", "window": { "start": { "local": "1913-04-18T11:03:21+03:26", "utc": "1913-04-18T07:37:21Z", "ms": -1789489358950.0078 }, "end": { "local": "1913-04-18T11:51:21+03:26", "utc": "1913-04-18T08:25:21Z", "ms": -1789486478950.0078 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-04-19", "window": { "start": { "local": "1913-04-19T11:03:07+03:26", "utc": "1913-04-19T07:37:07Z", "ms": -1789402972754.3787 }, "end": { "local": "1913-04-19T11:51:07+03:26", "utc": "1913-04-19T08:25:07Z", "ms": -1789400092754.3787 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:46 on Fri 18 Apr to 06:45 on Sat 19 Apr.", "fact": "1913-04-18T06:21:25Z → 1913-04-19T03:19:40Z" }, { "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": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4556 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Mashhad, 1913: Friday 18 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": "1913-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-18", "confidence": "determinate" } ], "quote": "In Mashhad, Anaṅga Trayodaśī 1913 falls on Friday 18 April. Trayodaśī runs from 09:46 on Fri 18 Apr to 06:45 on Sat 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/pradosha-vrata?on=1913-04-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29738, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-04-18T09:47:25+03:26", "utc": "1913-04-18T06:21:25Z", "ms": -1789493915356.568 }, "end": { "local": "1913-04-19T06:45:40+03:26", "utc": "1913-04-19T03:19:40Z", "ms": -1789418420356.6665 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-18T09:47:25+03:26", "utc": "1913-04-18T06:21:25Z", "ms": -1789493915356.568 }, "end": { "local": "1913-04-19T06:45:40+03:26", "utc": "1913-04-19T03:19:40Z", "ms": -1789418420356.6665 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-04-18", "window": { "start": { "local": "1913-04-18T18:03:03+03:26", "utc": "1913-04-18T14:37:03Z", "ms": -1789464177219.906 }, "end": { "local": "1913-04-18T19:29:21+03:26", "utc": "1913-04-18T16:03:21Z", "ms": -1789458998839.6204 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "1913-04-19", "window": { "start": { "local": "1913-04-19T18:03:54+03:26", "utc": "1913-04-19T14:37:54Z", "ms": -1789377726140.994 }, "end": { "local": "1913-04-19T19:29:55+03:26", "utc": "1913-04-19T16:03:55Z", "ms": -1789372564964.4531 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:46 on Fri 18 Apr to 06:45 on Sat 19 Apr.", "fact": "1913-04-18T06:21:25Z → 1913-04-19T03:19:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:28 on the 18th, 18:03–19:29 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 18th and 0 of 86 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29738 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Friday 18 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": "1913-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-18", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Friday 18 April. Trayodaśī runs from 09:46 on Fri 18 Apr to 06:45 on Sat 19 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15448, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-04-19T06:45:40+03:26", "utc": "1913-04-19T03:19:40Z", "ms": -1789418420356.6665 }, "end": { "local": "1913-04-20T03:46:39+03:26", "utc": "1913-04-20T00:20:39Z", "ms": -1789342761498.8025 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-19T06:45:40+03:26", "utc": "1913-04-19T03:19:40Z", "ms": -1789418420356.6665 }, "end": { "local": "1913-04-20T03:46:39+03:26", "utc": "1913-04-20T00:20:39Z", "ms": -1789342761498.8025 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-19", "window": { "start": { "local": "1913-04-19T11:03:07+03:26", "utc": "1913-04-19T07:37:07Z", "ms": -1789402972754.3787 }, "end": { "local": "1913-04-19T11:51:07+03:26", "utc": "1913-04-19T08:25:07Z", "ms": -1789400092754.3787 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-04-20", "window": { "start": { "local": "1913-04-20T11:02:54+03:26", "utc": "1913-04-20T07:36:54Z", "ms": -1789316586167.2625 }, "end": { "local": "1913-04-20T11:50:54+03:26", "utc": "1913-04-20T08:24:54Z", "ms": -1789313706167.2625 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:45 on Sat 19 Apr to 03:46 on Sun 20 Apr.", "fact": "1913-04-19T03:19:40Z → 1913-04-20T00:20:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 19th, 11:02–11:50 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15448 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Mashhad, 1913: Saturday 19 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": "1913-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-19", "confidence": "determinate" } ], "quote": "In Mashhad, Viṣṇudamanaka Caturdaśī 1913 falls on Saturday 19 April. Caturdaśī runs from 06:45 on Sat 19 Apr to 03:46 on Sun 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26175, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-04-20T03:46:39+03:26", "utc": "1913-04-20T00:20:39Z", "ms": -1789342761498.8025 }, "end": { "local": "1913-04-21T00:58:23+03:26", "utc": "1913-04-20T21:32:23Z", "ms": -1789266457319.3096 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1913-04-20T03:46:39+03:26", "utc": "1913-04-20T00:20:39Z", "ms": -1789342761498.8025 }, "end": { "local": "1913-04-21T00:58:23+03:26", "utc": "1913-04-20T21:32:23Z", "ms": -1789266457319.3096 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-04-20", "window": { "start": { "local": "1913-04-20T11:02:54+03:26", "utc": "1913-04-20T07:36:54Z", "ms": -1789316586167.2625 }, "end": { "local": "1913-04-20T11:50:54+03:26", "utc": "1913-04-20T08:24:54Z", "ms": -1789313706167.2625 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-04-21", "window": { "start": { "local": "1913-04-21T11:02:41+03:26", "utc": "1913-04-21T07:36:41Z", "ms": -1789230199170.557 }, "end": { "local": "1913-04-21T11:50:41+03:26", "utc": "1913-04-21T08:24:41Z", "ms": -1789227319170.557 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:46 on Sun 20 Apr to 00:57 on Mon 21 Apr.", "fact": "1913-04-20T00:20:39Z → 1913-04-20T21:32:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 20th, 11:02–11:50 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26175 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Mashhad, 1913: Sunday 20 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": "1913-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-20", "confidence": "determinate" } ], "quote": "In Mashhad, Caitrī Pūrṇimā 1913 falls on Sunday 20 April. Pūrṇimā runs from 03:46 on Sun 20 Apr to 00:57 on Mon 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-04-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8525, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-04-23T19:01:35+03:26", "utc": "1913-04-23T15:35:35Z", "ms": -1789028665018.2305 }, "end": { "local": "1913-04-24T18:17:08+03:26", "utc": "1913-04-24T14:51:08Z", "ms": -1788944932405.7576 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-04-23T19:01:35+03:26", "utc": "1913-04-23T15:35:35Z", "ms": -1789028665018.2305 }, "end": { "local": "1913-04-24T18:17:08+03:26", "utc": "1913-04-24T14:51:08Z", "ms": -1788944932405.7576 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-04-23", "window": { "start": { "local": "1913-04-23T21:23:40+03:26", "utc": "1913-04-23T17:57:40Z", "ms": -1789020140332.2932 }, "end": { "local": "1913-04-23T21:23:40+03:26", "utc": "1913-04-23T17:57:40Z", "ms": -1789020140332.2932 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-04-24", "window": { "start": { "local": "1913-04-24T22:28:34+03:26", "utc": "1913-04-24T19:02:34Z", "ms": -1788929845695.8147 }, "end": { "local": "1913-04-24T22:28:34+03:26", "utc": "1913-04-24T19:02:34Z", "ms": -1788929845695.8147 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:01 on Wed 23 Apr to 18:16 on Thu 24 Apr.", "fact": "1913-04-23T15:35:35Z → 1913-04-24T14:51:08Z" }, { "step": "kaala", "text": "Moonrise is at 21:23 on the 23rd and 22:28 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8525 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Wednesday 23 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": "1913-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-04-23", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Wednesday 23 April. Caturthī runs from 19:01 on Wed 23 Apr to 18:16 on Thu 24 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-04-23", "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/1913/ekadashi?on=1913-05-02", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3191, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-05-01T03:42:32+03:26", "utc": "1913-05-01T00:16:32Z", "ms": -1788392608126.5757 }, "end": { "local": "1913-05-02T06:11:11+03:26", "utc": "1913-05-02T02:45:11Z", "ms": -1788297288601.8167 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-01T03:42:32+03:26", "utc": "1913-05-01T00:16:32Z", "ms": -1788392608126.5757 }, "end": { "local": "1913-05-02T06:11:11+03:26", "utc": "1913-05-02T02:45:11Z", "ms": -1788297288601.8167 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-05-01", "window": { "start": { "local": "1913-05-01T04:35:43+03:26", "utc": "1913-05-01T01:09:43Z", "ms": -1788389417114.4714 }, "end": { "local": "1913-05-01T04:35:43+03:26", "utc": "1913-05-01T01:09:43Z", "ms": -1788389417114.4714 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-05-02", "window": { "start": { "local": "1913-05-02T04:34:36+03:26", "utc": "1913-05-02T01:08:36Z", "ms": -1788303083795.7554 }, "end": { "local": "1913-05-02T04:34:36+03:26", "utc": "1913-05-02T01:08:36Z", "ms": -1788303083795.7554 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:42 on Thu 1 May to 06:10 on Fri 2 May.", "fact": "1913-05-01T00:16:32Z → 1913-05-02T02:45:11Z" }, { "step": "kaala", "text": "Sunrise is at 04:35 on the 1st and 04:34 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is on the 2nd.", "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 3191 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Mashhad, 1913: Friday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-02", "confidence": "determinate" } ], "quote": "In Mashhad, Varūthinī Ekādaśī 1913 falls on Friday 2 May. Ekādaśī runs from 03:42 on Thu 1 May to 06:10 on Fri 2 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-05-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29579, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-05-03T08:21:14+03:26", "utc": "1913-05-03T04:55:14Z", "ms": -1788203086395.5408 }, "end": { "local": "1913-05-04T10:03:46+03:26", "utc": "1913-05-04T06:37:46Z", "ms": -1788110534489.932 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-03T08:21:14+03:26", "utc": "1913-05-03T04:55:14Z", "ms": -1788203086395.5408 }, "end": { "local": "1913-05-04T10:03:46+03:26", "utc": "1913-05-04T06:37:46Z", "ms": -1788110534489.932 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-05-03", "window": { "start": { "local": "1913-05-03T18:15:53+03:26", "utc": "1913-05-03T14:49:53Z", "ms": -1788167406629.8054 }, "end": { "local": "1913-05-03T19:38:06+03:26", "utc": "1913-05-03T16:12:06Z", "ms": -1788162474245.186 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "1913-05-04", "window": { "start": { "local": "1913-05-04T18:16:45+03:26", "utc": "1913-05-04T14:50:45Z", "ms": -1788080955208.0872 }, "end": { "local": "1913-05-04T19:38:42+03:26", "utc": "1913-05-04T16:12:42Z", "ms": -1788076038108.455 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:20 on Sat 3 May to 10:03 on Sun 4 May.", "fact": "1913-05-03T04:55:14Z → 1913-05-04T06:37:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:37 on the 3rd, 18:16–19:38 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 82 of 82 minutes on the 3rd and 0 of 82 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 29579 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Saturday 3 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": "1913-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-03", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Saturday 3 May. Trayodaśī runs from 08:20 on Sat 3 May to 10:03 on Sun 4 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-05-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36936, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-05-04T10:03:46+03:26", "utc": "1913-05-04T06:37:46Z", "ms": -1788110534489.932 }, "end": { "local": "1913-05-05T11:13:48+03:26", "utc": "1913-05-05T07:47:48Z", "ms": -1788019931858.2126 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-04T10:03:46+03:26", "utc": "1913-05-04T06:37:46Z", "ms": -1788110534489.932 }, "end": { "local": "1913-05-05T11:13:48+03:26", "utc": "1913-05-05T07:47:48Z", "ms": -1788019931858.2126 } }, "kaala": "nishita", "days": [ { "local_date": "1913-05-03", "window": { "start": { "local": "1913-05-03T23:00:10+03:26", "utc": "1913-05-03T19:34:10Z", "ms": -1788150350187.4824 }, "end": { "local": "1913-05-03T23:48:10+03:26", "utc": "1913-05-03T20:22:10Z", "ms": -1788147470187.4824 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-05-04", "window": { "start": { "local": "1913-05-04T23:00:04+03:26", "utc": "1913-05-04T19:34:04Z", "ms": -1788063956084.4668 }, "end": { "local": "1913-05-04T23:48:04+03:26", "utc": "1913-05-04T20:22:04Z", "ms": -1788061076084.4668 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:03 on Sun 4 May to 11:13 on Mon 5 May.", "fact": "1913-05-04T06:37:46Z → 1913-05-05T07:47:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:59–23:47 on the 3rd, 22:59–23:47 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36936 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Sunday 4 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": "1913-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-04", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Sunday 4 May. Caturdaśī runs from 10:03 on Sun 4 May to 11:13 on Mon 5 May and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24753, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1913-05-08T11:27:36+03:26", "utc": "1913-05-08T08:01:36Z", "ms": -1787759903536.9849 }, "end": { "local": "1913-05-09T10:36:15+03:26", "utc": "1913-05-09T07:10:15Z", "ms": -1787676584918.3157 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-08T11:27:36+03:26", "utc": "1913-05-08T08:01:36Z", "ms": -1787759903536.9849 }, "end": { "local": "1913-05-09T10:36:15+03:26", "utc": "1913-05-09T07:10:15Z", "ms": -1787676584918.3157 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-05-08", "window": { "start": { "local": "1913-05-08T18:20:10+03:26", "utc": "1913-05-08T14:54:10Z", "ms": -1787735150474.0125 }, "end": { "local": "1913-05-08T19:41:07+03:26", "utc": "1913-05-08T16:15:07Z", "ms": -1787730292747.0093 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "1913-05-09", "window": { "start": { "local": "1913-05-09T18:21:00+03:26", "utc": "1913-05-09T14:55:00Z", "ms": -1787648699646.6577 }, "end": { "local": "1913-05-09T19:41:44+03:26", "utc": "1913-05-09T16:15:44Z", "ms": -1787643856289.628 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:27 on Thu 8 May to 10:35 on Fri 9 May.", "fact": "1913-05-08T08:01:36Z → 1913-05-09T07:10:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:40 on the 8th, 18:20–19:41 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 81 of 81 minutes on the 8th and 0 of 81 on the 9th.", "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 24753 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Mashhad, 1913: Thursday 8 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": "1913-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-08", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Jayantī 1913 falls on Thursday 8 May. Tṛtīyā runs from 11:27 on Thu 8 May to 10:35 on Fri 9 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5460, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1913-05-08T11:27:36+03:26", "utc": "1913-05-08T08:01:36Z", "ms": -1787759903536.9849 }, "end": { "local": "1913-05-09T10:36:15+03:26", "utc": "1913-05-09T07:10:15Z", "ms": -1787676584918.3157 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-08T11:27:36+03:26", "utc": "1913-05-08T08:01:36Z", "ms": -1787759903536.9849 }, "end": { "local": "1913-05-09T10:36:15+03:26", "utc": "1913-05-09T07:10:15Z", "ms": -1787676584918.3157 } }, "kaala": "purvahna", "days": [ { "local_date": "1913-05-08", "window": { "start": { "local": "1913-05-08T04:28:21+03:26", "utc": "1913-05-08T01:02:21Z", "ms": -1787785059273.5852 }, "end": { "local": "1913-05-08T09:05:37+03:26", "utc": "1913-05-08T05:39:37Z", "ms": -1787768423007.061 } }, "covered_min": 0, "window_min": 277, "qualifies": false }, { "local_date": "1913-05-09", "window": { "start": { "local": "1913-05-09T04:27:22+03:26", "utc": "1913-05-09T01:01:22Z", "ms": -1787698717521.4883 }, "end": { "local": "1913-05-09T09:05:15+03:26", "utc": "1913-05-09T05:39:15Z", "ms": -1787682044896.5447 } }, "covered_min": 278, "window_min": 278, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:27 on Thu 8 May to 10:35 on Fri 9 May.", "fact": "1913-05-08T08:01:36Z → 1913-05-09T07:10:15Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:27–09:05 on the 8th, 04:26–09:04 on the 9th.", "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 277 minutes on the 8th and 278 of 278 on the 9th.", "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 5460 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Mashhad, 1913: Friday 9 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": "1913-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-09", "confidence": "determinate" } ], "quote": "In Mashhad, Akṣaya Tṛtīyā 1913 falls on Friday 9 May. Tṛtīyā runs from 11:27 on Thu 8 May to 10:35 on Fri 9 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vinayaka-chaturthi?on=1913-05-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1436, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-05-09T10:36:15+03:26", "utc": "1913-05-09T07:10:15Z", "ms": -1787676584918.3157 }, "end": { "local": "1913-05-10T09:23:35+03:26", "utc": "1913-05-10T05:57:35Z", "ms": -1787594545156.0288 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-09T10:36:15+03:26", "utc": "1913-05-09T07:10:15Z", "ms": -1787676584918.3157 }, "end": { "local": "1913-05-10T09:23:35+03:26", "utc": "1913-05-10T05:57:35Z", "ms": -1787594545156.0288 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-05-09", "window": { "start": { "local": "1913-05-09T11:00:11+03:26", "utc": "1913-05-09T07:34:11Z", "ms": -1787675148584.073 }, "end": { "local": "1913-05-09T11:48:11+03:26", "utc": "1913-05-09T08:22:11Z", "ms": -1787672268584.073 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-05-10", "window": { "start": { "local": "1913-05-10T11:00:08+03:26", "utc": "1913-05-10T07:34:08Z", "ms": -1787588751741.1348 }, "end": { "local": "1913-05-10T11:48:08+03:26", "utc": "1913-05-10T08:22:08Z", "ms": -1787585871741.1348 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:35 on Fri 9 May to 09:23 on Sat 10 May.", "fact": "1913-05-09T07:10:15Z → 1913-05-10T05:57:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 9th, 10:59–11:47 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1436 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Friday 9 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": "1913-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-09", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Friday 9 May. Caturthī runs from 10:35 on Fri 9 May to 09:23 on Sat 10 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-05-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5793, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1913-05-10T09:23:35+03:26", "utc": "1913-05-10T05:57:35Z", "ms": -1787594545156.0288 }, "end": { "local": "1913-05-11T07:53:24+03:26", "utc": "1913-05-11T04:27:24Z", "ms": -1787513556390.707 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-10T09:23:35+03:26", "utc": "1913-05-10T05:57:35Z", "ms": -1787594545156.0288 }, "end": { "local": "1913-05-11T07:53:24+03:26", "utc": "1913-05-11T04:27:24Z", "ms": -1787513556390.707 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-05-10", "window": { "start": { "local": "1913-05-10T11:00:08+03:26", "utc": "1913-05-10T07:34:08Z", "ms": -1787588751741.1348 }, "end": { "local": "1913-05-10T11:48:08+03:26", "utc": "1913-05-10T08:22:08Z", "ms": -1787585871741.1348 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-05-11", "window": { "start": { "local": "1913-05-11T11:00:06+03:26", "utc": "1913-05-11T07:34:06Z", "ms": -1787502354347.5483 }, "end": { "local": "1913-05-11T11:48:06+03:26", "utc": "1913-05-11T08:22:06Z", "ms": -1787499474347.5483 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:23 on Sat 10 May to 07:52 on Sun 11 May.", "fact": "1913-05-10T05:57:35Z → 1913-05-11T04:27:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5793 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Mashhad, 1913: Saturday 10 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": "1913-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-10", "confidence": "determinate" } ], "quote": "In Mashhad, Śaṅkara Jayantī 1913 falls on Saturday 10 May. Pañcamī runs from 09:23 on Sat 10 May to 07:52 on Sun 11 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17471, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1913-05-12T06:08:52+03:26", "utc": "1913-05-12T02:42:52Z", "ms": -1787433427597.8113 }, "end": { "local": "1913-05-13T04:12:33+03:26", "utc": "1913-05-13T00:46:33Z", "ms": -1787354006537.8655 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-12T06:08:52+03:26", "utc": "1913-05-12T02:42:52Z", "ms": -1787433427597.8113 }, "end": { "local": "1913-05-13T04:12:33+03:26", "utc": "1913-05-13T00:46:33Z", "ms": -1787354006537.8655 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-05-12", "window": { "start": { "local": "1913-05-12T11:00:04+03:26", "utc": "1913-05-12T07:34:04Z", "ms": -1787415956405.6948 }, "end": { "local": "1913-05-12T11:48:04+03:26", "utc": "1913-05-12T08:22:04Z", "ms": -1787413076405.6948 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-05-13", "window": { "start": { "local": "1913-05-13T11:00:02+03:26", "utc": "1913-05-13T07:34:02Z", "ms": -1787329557917.759 }, "end": { "local": "1913-05-13T11:48:02+03:26", "utc": "1913-05-13T08:22:02Z", "ms": -1787326677917.759 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:08 on Mon 12 May to 04:12 on Tue 13 May.", "fact": "1913-05-12T02:42:52Z → 1913-05-13T00:46:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 12th, 10:59–11:47 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17471 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Mashhad, 1913: Monday 12 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": "1913-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-12", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṅgotpatti (Ganga Saptami) 1913 falls on Monday 12 May. Saptamī runs from 06:08 on Mon 12 May to 04:12 on Tue 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-05-16", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24484, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-05-15T21:33:08+03:26", "utc": "1913-05-15T18:07:08Z", "ms": -1787118772028.8875 }, "end": { "local": "1913-05-16T19:10:47+03:26", "utc": "1913-05-16T15:44:47Z", "ms": -1787040913039.0586 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-15T21:33:08+03:26", "utc": "1913-05-15T18:07:08Z", "ms": -1787118772028.8875 }, "end": { "local": "1913-05-16T19:10:47+03:26", "utc": "1913-05-16T15:44:47Z", "ms": -1787040913039.0586 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-05-16", "window": { "start": { "local": "1913-05-16T04:21:12+03:26", "utc": "1913-05-16T00:55:12Z", "ms": -1787094287577.3171 }, "end": { "local": "1913-05-16T04:21:12+03:26", "utc": "1913-05-16T00:55:12Z", "ms": -1787094287577.3171 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-05-17", "window": { "start": { "local": "1913-05-17T04:20:25+03:26", "utc": "1913-05-17T00:54:25Z", "ms": -1787007934783.715 }, "end": { "local": "1913-05-17T04:20:25+03:26", "utc": "1913-05-17T00:54:25Z", "ms": -1787007934783.715 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:32 on Thu 15 May to 19:10 on Fri 16 May.", "fact": "1913-05-15T18:07:08Z → 1913-05-16T15:44:47Z" }, { "step": "kaala", "text": "Sunrise is at 04:20 on the 16th and 04:19 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24484 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Mashhad, 1913: Friday 16 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": "1913-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-16", "confidence": "determinate" } ], "quote": "In Mashhad, Mohinī Ekādaśī 1913 falls on Friday 16 May. Ekādaśī runs from 21:32 on Thu 15 May to 19:10 on Fri 16 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18079, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1913-05-16T19:10:47+03:26", "utc": "1913-05-16T15:44:47Z", "ms": -1787040913039.0586 }, "end": { "local": "1913-05-17T16:49:21+03:26", "utc": "1913-05-17T13:23:21Z", "ms": -1786962999374.6616 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-16T19:10:47+03:26", "utc": "1913-05-16T15:44:47Z", "ms": -1787040913039.0586 }, "end": { "local": "1913-05-17T16:49:21+03:26", "utc": "1913-05-17T13:23:21Z", "ms": -1786962999374.6616 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-05-16", "window": { "start": { "local": "1913-05-16T11:00:01+03:26", "utc": "1913-05-16T07:34:01Z", "ms": -1787070359192.7078 }, "end": { "local": "1913-05-16T11:48:01+03:26", "utc": "1913-05-16T08:22:01Z", "ms": -1787067479192.7078 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-05-17", "window": { "start": { "local": "1913-05-17T11:00:01+03:26", "utc": "1913-05-17T07:34:01Z", "ms": -1786983958533.2915 }, "end": { "local": "1913-05-17T11:48:01+03:26", "utc": "1913-05-17T08:22:01Z", "ms": -1786981078533.2915 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:10 on Fri 16 May to 16:48 on Sat 17 May.", "fact": "1913-05-16T15:44:47Z → 1913-05-17T13:23:21Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18079 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Mashhad, 1913: Saturday 17 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": "1913-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-17", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Dvādaśī 1913 falls on Saturday 17 May. Dvādaśī runs from 19:10 on Fri 16 May to 16:48 on Sat 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18079, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1913-05-16T19:10:47+03:26", "utc": "1913-05-16T15:44:47Z", "ms": -1787040913039.0586 }, "end": { "local": "1913-05-17T16:49:21+03:26", "utc": "1913-05-17T13:23:21Z", "ms": -1786962999374.6616 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-16T19:10:47+03:26", "utc": "1913-05-16T15:44:47Z", "ms": -1787040913039.0586 }, "end": { "local": "1913-05-17T16:49:21+03:26", "utc": "1913-05-17T13:23:21Z", "ms": -1786962999374.6616 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-05-16", "window": { "start": { "local": "1913-05-16T11:00:01+03:26", "utc": "1913-05-16T07:34:01Z", "ms": -1787070359192.7078 }, "end": { "local": "1913-05-16T11:48:01+03:26", "utc": "1913-05-16T08:22:01Z", "ms": -1787067479192.7078 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-05-17", "window": { "start": { "local": "1913-05-17T11:00:01+03:26", "utc": "1913-05-17T07:34:01Z", "ms": -1786983958533.2915 }, "end": { "local": "1913-05-17T11:48:01+03:26", "utc": "1913-05-17T08:22:01Z", "ms": -1786981078533.2915 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:10 on Fri 16 May to 16:48 on Sat 17 May.", "fact": "1913-05-16T15:44:47Z → 1913-05-17T13:23:21Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18079 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Mashhad, 1913: Saturday 17 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": "1913-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-17", "confidence": "determinate" } ], "quote": "In Mashhad, Rukmiṇī Dvādaśī 1913 falls on Saturday 17 May. Dvādaśī runs from 19:10 on Fri 16 May to 16:48 on Sat 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/pradosha-vrata?on=1913-05-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5897, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-05-17T16:49:21+03:26", "utc": "1913-05-17T13:23:21Z", "ms": -1786962999374.6616 }, "end": { "local": "1913-05-18T14:33:39+03:26", "utc": "1913-05-18T11:07:39Z", "ms": -1786884741055.8562 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-17T16:49:21+03:26", "utc": "1913-05-17T13:23:21Z", "ms": -1786962999374.6616 }, "end": { "local": "1913-05-18T14:33:39+03:26", "utc": "1913-05-18T11:07:39Z", "ms": -1786884741055.8562 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-05-17", "window": { "start": { "local": "1913-05-17T18:27:38+03:26", "utc": "1913-05-17T15:01:38Z", "ms": -1786957102282.8682 }, "end": { "local": "1913-05-17T19:46:34+03:26", "utc": "1913-05-17T16:20:34Z", "ms": -1786952366045.955 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "1913-05-18", "window": { "start": { "local": "1913-05-18T18:28:26+03:26", "utc": "1913-05-18T15:02:26Z", "ms": -1786870654158.5757 }, "end": { "local": "1913-05-18T19:47:10+03:26", "utc": "1913-05-18T16:21:10Z", "ms": -1786865930233.6287 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:48 on Sat 17 May to 14:33 on Sun 18 May.", "fact": "1913-05-17T13:23:21Z → 1913-05-18T11:07:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:46 on the 17th, 18:27–19:46 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 79 of 79 minutes on the 17th and 0 of 79 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 5897 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Saturday 17 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": "1913-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-17", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Saturday 17 May. Trayodaśī runs from 16:48 on Sat 17 May to 14:33 on Sun 18 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-05-17", "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/1913/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14087, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-05-18T14:33:39+03:26", "utc": "1913-05-18T11:07:39Z", "ms": -1786884741055.8562 }, "end": { "local": "1913-05-19T12:29:35+03:26", "utc": "1913-05-19T09:03:35Z", "ms": -1786805785044.6868 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-18T14:33:39+03:26", "utc": "1913-05-18T11:07:39Z", "ms": -1786884741055.8562 }, "end": { "local": "1913-05-19T12:29:35+03:26", "utc": "1913-05-19T09:03:35Z", "ms": -1786805785044.6868 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-05-18", "window": { "start": { "local": "1913-05-18T18:28:26+03:26", "utc": "1913-05-18T15:02:26Z", "ms": -1786870654158.5757 }, "end": { "local": "1913-05-18T19:47:10+03:26", "utc": "1913-05-18T16:21:10Z", "ms": -1786865930233.6287 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "1913-05-19", "window": { "start": { "local": "1913-05-19T18:29:14+03:26", "utc": "1913-05-19T15:03:14Z", "ms": -1786784206459.0217 }, "end": { "local": "1913-05-19T19:47:45+03:26", "utc": "1913-05-19T16:21:45Z", "ms": -1786779494585.4995 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:33 on Sun 18 May to 12:29 on Mon 19 May.", "fact": "1913-05-18T11:07:39Z → 1913-05-19T09:03:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:46 on the 18th, 18:28–19:47 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 79 of 79 minutes on the 18th and 0 of 79 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14087 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Mashhad, 1913: Sunday 18 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": "1913-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-18", "confidence": "determinate" } ], "quote": "In Mashhad, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1913 falls on Sunday 18 May. Caturdaśī runs from 14:33 on Sun 18 May to 12:29 on Mon 19 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 976, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-05-19T12:29:35+03:26", "utc": "1913-05-19T09:03:35Z", "ms": -1786805785044.6868 }, "end": { "local": "1913-05-20T10:43:51+03:26", "utc": "1913-05-20T07:17:51Z", "ms": -1786725728856.6555 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-19T12:29:35+03:26", "utc": "1913-05-19T09:03:35Z", "ms": -1786805785044.6868 }, "end": { "local": "1913-05-20T10:43:51+03:26", "utc": "1913-05-20T07:17:51Z", "ms": -1786725728856.6555 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-05-19", "window": { "start": { "local": "1913-05-19T11:00:04+03:26", "utc": "1913-05-19T07:34:04Z", "ms": -1786811155590.2476 }, "end": { "local": "1913-05-19T11:48:04+03:26", "utc": "1913-05-19T08:22:04Z", "ms": -1786808275590.2476 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-05-20", "window": { "start": { "local": "1913-05-20T11:00:07+03:26", "utc": "1913-05-20T07:34:07Z", "ms": -1786724753308.2253 }, "end": { "local": "1913-05-20T11:48:07+03:26", "utc": "1913-05-20T08:22:07Z", "ms": -1786721873308.2253 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:29 on Mon 19 May to 10:43 on Tue 20 May.", "fact": "1913-05-19T09:03:35Z → 1913-05-20T07:17:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 19th, 10:59–11:47 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 976 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Mashhad, 1913: Tuesday 20 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": "1913-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-20", "confidence": "boundary" } ], "quote": "In Mashhad, Buddha Pūrṇimā 1913 falls on Tuesday 20 May. Pūrṇimā runs from 12:29 on Mon 19 May to 10:43 on Tue 20 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 976, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-05-19T12:29:35+03:26", "utc": "1913-05-19T09:03:35Z", "ms": -1786805785044.6868 }, "end": { "local": "1913-05-20T10:43:51+03:26", "utc": "1913-05-20T07:17:51Z", "ms": -1786725728856.6555 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-19T12:29:35+03:26", "utc": "1913-05-19T09:03:35Z", "ms": -1786805785044.6868 }, "end": { "local": "1913-05-20T10:43:51+03:26", "utc": "1913-05-20T07:17:51Z", "ms": -1786725728856.6555 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-05-19", "window": { "start": { "local": "1913-05-19T11:00:04+03:26", "utc": "1913-05-19T07:34:04Z", "ms": -1786811155590.2476 }, "end": { "local": "1913-05-19T11:48:04+03:26", "utc": "1913-05-19T08:22:04Z", "ms": -1786808275590.2476 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-05-20", "window": { "start": { "local": "1913-05-20T11:00:07+03:26", "utc": "1913-05-20T07:34:07Z", "ms": -1786724753308.2253 }, "end": { "local": "1913-05-20T11:48:07+03:26", "utc": "1913-05-20T08:22:07Z", "ms": -1786721873308.2253 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:29 on Mon 19 May to 10:43 on Tue 20 May.", "fact": "1913-05-19T09:03:35Z → 1913-05-20T07:17:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 19th, 10:59–11:47 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 976 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Mashhad, 1913: Tuesday 20 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": "1913-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-20", "confidence": "determinate" } ], "quote": "In Mashhad, Sampat Gaurī Vrata 1913 falls on Tuesday 20 May. Pūrṇimā runs from 12:29 on Mon 19 May to 10:43 on Tue 20 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-05-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39193, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-05-23T08:25:26+03:26", "utc": "1913-05-23T04:59:26Z", "ms": -1786474833985.8853 }, "end": { "local": "1913-05-24T08:56:40+03:26", "utc": "1913-05-24T05:30:40Z", "ms": -1786386560406.0737 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-23T08:25:26+03:26", "utc": "1913-05-23T04:59:26Z", "ms": -1786474833985.8853 }, "end": { "local": "1913-05-24T08:56:40+03:26", "utc": "1913-05-24T05:30:40Z", "ms": -1786386560406.0737 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-05-22", "window": { "start": { "local": "1913-05-22T21:11:37+03:26", "utc": "1913-05-22T17:45:37Z", "ms": -1786515262831.4934 }, "end": { "local": "1913-05-22T21:11:37+03:26", "utc": "1913-05-22T17:45:37Z", "ms": -1786515262831.4934 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-05-23", "window": { "start": { "local": "1913-05-23T22:03:27+03:26", "utc": "1913-05-23T18:37:27Z", "ms": -1786425753466.6362 }, "end": { "local": "1913-05-23T22:03:27+03:26", "utc": "1913-05-23T18:37:27Z", "ms": -1786425753466.6362 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:24 on Fri 23 May to 08:56 on Sat 24 May.", "fact": "1913-05-23T04:59:26Z → 1913-05-24T05:30:40Z" }, { "step": "kaala", "text": "Moonrise is at 21:11 on the 22nd and 22:02 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 39193 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Friday 23 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": "1913-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-23", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Friday 23 May. Caturthī runs from 08:24 on Fri 23 May to 08:56 on Sat 24 May and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-05-23", "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/1913/ekadashi?on=1913-05-31", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18221, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-05-30T21:26:02+03:26", "utc": "1913-05-30T18:00:02Z", "ms": -1785823198375.6624 }, "end": { "local": "1913-05-31T23:08:06+03:26", "utc": "1913-05-31T19:42:06Z", "ms": -1785730674446.565 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-05-30T21:26:02+03:26", "utc": "1913-05-30T18:00:02Z", "ms": -1785823198375.6624 }, "end": { "local": "1913-05-31T23:08:06+03:26", "utc": "1913-05-31T19:42:06Z", "ms": -1785730674446.565 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-05-31", "window": { "start": { "local": "1913-05-31T04:12:10+03:26", "utc": "1913-05-31T00:46:10Z", "ms": -1785798830309.2493 }, "end": { "local": "1913-05-31T04:12:10+03:26", "utc": "1913-05-31T00:46:10Z", "ms": -1785798830309.2493 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-06-01", "window": { "start": { "local": "1913-06-01T04:11:47+03:26", "utc": "1913-06-01T00:45:47Z", "ms": -1785712453198.6814 }, "end": { "local": "1913-06-01T04:11:47+03:26", "utc": "1913-06-01T00:45:47Z", "ms": -1785712453198.6814 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:25 on Fri 30 May to 23:07 on Sat 31 May.", "fact": "1913-05-30T18:00:02Z → 1913-05-31T19:42:06Z" }, { "step": "kaala", "text": "Sunrise is at 04:11 on the 31st and 04:11 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18221 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Mashhad, 1913: Saturday 31 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": "1913-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-05-31", "confidence": "determinate" } ], "quote": "In Mashhad, Aparā Ekādaśī 1913 falls on Saturday 31 May. Ekādaśī runs from 21:25 on Fri 30 May to 23:07 on Sat 31 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-06-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15428, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-06-02T00:12:12+03:26", "utc": "1913-06-01T20:46:12Z", "ms": -1785640428241.494 }, "end": { "local": "1913-06-03T00:34:53+03:26", "utc": "1913-06-02T21:08:53Z", "ms": -1785552667319.2812 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-02T00:12:12+03:26", "utc": "1913-06-01T20:46:12Z", "ms": -1785640428241.494 }, "end": { "local": "1913-06-03T00:34:53+03:26", "utc": "1913-06-02T21:08:53Z", "ms": -1785552667319.2812 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-06-01", "window": { "start": { "local": "1913-06-01T18:38:42+03:26", "utc": "1913-06-01T15:12:42Z", "ms": -1785660438290.282 }, "end": { "local": "1913-06-01T19:55:04+03:26", "utc": "1913-06-01T16:29:04Z", "ms": -1785655856433.0718 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1913-06-02", "window": { "start": { "local": "1913-06-02T18:39:20+03:26", "utc": "1913-06-02T15:13:20Z", "ms": -1785573999787.7656 }, "end": { "local": "1913-06-02T19:55:34+03:26", "utc": "1913-06-02T16:29:34Z", "ms": -1785569425655.2112 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:11 on Mon 2 Jun to 00:34 on Tue 3 Jun.", "fact": "1913-06-01T20:46:12Z → 1913-06-02T21:08:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–19:54 on the 1st, 18:38–19:55 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 76 minutes on the 1st and 76 of 76 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 15428 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Monday 2 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-02", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Monday 2 June. Trayodaśī runs from 00:11 on Mon 2 Jun to 00:34 on Tue 3 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-06-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1655, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-06-03T00:34:53+03:26", "utc": "1913-06-02T21:08:53Z", "ms": -1785552667319.2812 }, "end": { "local": "1913-06-04T00:16:59+03:26", "utc": "1913-06-03T20:50:59Z", "ms": -1785467341377.1804 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-03T00:34:53+03:26", "utc": "1913-06-02T21:08:53Z", "ms": -1785552667319.2812 }, "end": { "local": "1913-06-04T00:16:59+03:26", "utc": "1913-06-03T20:50:59Z", "ms": -1785467341377.1804 } }, "kaala": "nishita", "days": [ { "local_date": "1913-06-02", "window": { "start": { "local": "1913-06-02T23:01:13+03:26", "utc": "1913-06-02T19:35:13Z", "ms": -1785558286790.687 }, "end": { "local": "1913-06-02T23:49:13+03:26", "utc": "1913-06-02T20:23:13Z", "ms": -1785555406790.687 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-06-03", "window": { "start": { "local": "1913-06-03T23:01:23+03:26", "utc": "1913-06-03T19:35:23Z", "ms": -1785471876858.059 }, "end": { "local": "1913-06-03T23:49:23+03:26", "utc": "1913-06-03T20:23:23Z", "ms": -1785468996858.059 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:34 on Tue 3 Jun to 00:16 on Wed 4 Jun.", "fact": "1913-06-02T21:08:53Z → 1913-06-03T20:50:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:00–23:48 on the 2nd, 23:00–23:48 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 1655 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Tuesday 3 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": "1913-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-03", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Tuesday 3 June. Caturdaśī runs from 00:34 on Tue 3 Jun to 00:16 on Wed 4 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-06-03", "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/1913/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22549, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1913-06-06T20:09:55+03:26", "utc": "1913-06-06T16:43:55Z", "ms": -1785222964840.3633 }, "end": { "local": "1913-06-07T18:06:01+03:26", "utc": "1913-06-07T14:40:01Z", "ms": -1785143999317.5044 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-06T20:09:55+03:26", "utc": "1913-06-06T16:43:55Z", "ms": -1785222964840.3633 }, "end": { "local": "1913-06-07T18:06:01+03:26", "utc": "1913-06-07T14:40:01Z", "ms": -1785143999317.5044 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-06-06", "window": { "start": { "local": "1913-06-06T11:02:01+03:26", "utc": "1913-06-06T07:36:01Z", "ms": -1785255838633.941 }, "end": { "local": "1913-06-06T11:50:01+03:26", "utc": "1913-06-06T08:24:01Z", "ms": -1785252958633.941 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-06-07", "window": { "start": { "local": "1913-06-07T11:02:12+03:26", "utc": "1913-06-07T07:36:12Z", "ms": -1785169428194.9915 }, "end": { "local": "1913-06-07T11:50:12+03:26", "utc": "1913-06-07T08:24:12Z", "ms": -1785166548194.9915 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:09 on Fri 6 Jun to 18:05 on Sat 7 Jun.", "fact": "1913-06-06T16:43:55Z → 1913-06-07T14:40:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 6th, 11:01–11:49 on the 7th.", "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 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22549 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Mashhad, 1913: Saturday 7 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": "1913-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-07", "confidence": "determinate" } ], "quote": "In Mashhad, Rambhā Tṛtīyā 1913 falls on Saturday 7 June. Tṛtīyā runs from 20:09 on Fri 6 Jun to 18:05 on Sat 7 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vinayaka-chaturthi?on=1913-06-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14545, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-06-07T18:06:01+03:26", "utc": "1913-06-07T14:40:01Z", "ms": -1785143999317.5044 }, "end": { "local": "1913-06-08T15:52:47+03:26", "utc": "1913-06-08T12:26:47Z", "ms": -1785065592940.1077 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-07T18:06:01+03:26", "utc": "1913-06-07T14:40:01Z", "ms": -1785143999317.5044 }, "end": { "local": "1913-06-08T15:52:47+03:26", "utc": "1913-06-08T12:26:47Z", "ms": -1785065592940.1077 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-06-07", "window": { "start": { "local": "1913-06-07T11:02:12+03:26", "utc": "1913-06-07T07:36:12Z", "ms": -1785169428194.9915 }, "end": { "local": "1913-06-07T11:50:12+03:26", "utc": "1913-06-07T08:24:12Z", "ms": -1785166548194.9915 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-06-08", "window": { "start": { "local": "1913-06-08T11:02:23+03:26", "utc": "1913-06-08T07:36:23Z", "ms": -1785083017472.121 }, "end": { "local": "1913-06-08T11:50:23+03:26", "utc": "1913-06-08T08:24:23Z", "ms": -1785080137472.121 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:05 on Sat 7 Jun to 15:52 on Sun 8 Jun.", "fact": "1913-06-07T14:40:01Z → 1913-06-08T12:26:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 7th, 11:01–11:49 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 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14545 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Sunday 8 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": "1913-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-08", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Sunday 8 June. Caturthī runs from 18:05 on Sat 7 Jun to 15:52 on Sun 8 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1012, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1913-06-09T13:35:52+03:26", "utc": "1913-06-09T10:09:52Z", "ms": -1784987408064.3723 }, "end": { "local": "1913-06-10T11:19:37+03:26", "utc": "1913-06-10T07:53:37Z", "ms": -1784909183278.6362 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-09T13:35:52+03:26", "utc": "1913-06-09T10:09:52Z", "ms": -1784987408064.3723 }, "end": { "local": "1913-06-10T11:19:37+03:26", "utc": "1913-06-10T07:53:37Z", "ms": -1784909183278.6362 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-06-09", "window": { "start": { "local": "1913-06-09T11:02:34+03:26", "utc": "1913-06-09T07:36:34Z", "ms": -1784996606489.4321 }, "end": { "local": "1913-06-09T11:50:34+03:26", "utc": "1913-06-09T08:24:34Z", "ms": -1784993726489.4321 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-06-10", "window": { "start": { "local": "1913-06-10T11:02:45+03:26", "utc": "1913-06-10T07:36:45Z", "ms": -1784910195270.472 }, "end": { "local": "1913-06-10T11:50:45+03:26", "utc": "1913-06-10T08:24:45Z", "ms": -1784907315270.472 } }, "covered_min": 17, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:35 on Mon 9 Jun to 11:19 on Tue 10 Jun.", "fact": "1913-06-09T10:09:52Z → 1913-06-10T07:53:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 9th, 11:02–11:50 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 0 of 48 minutes on the 9th and 17 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1012 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Mashhad, 1913: Tuesday 10 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": "1913-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-10", "confidence": "determinate" } ], "quote": "In Mashhad, Araṇya Gaurī Vrata 1913 falls on Tuesday 10 June. Ṣaṣṭhī runs from 13:35 on Mon 9 Jun to 11:19 on Tue 10 Jun and covers 17 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1012, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1913-06-09T13:35:52+03:26", "utc": "1913-06-09T10:09:52Z", "ms": -1784987408064.3723 }, "end": { "local": "1913-06-10T11:19:37+03:26", "utc": "1913-06-10T07:53:37Z", "ms": -1784909183278.6362 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-09T13:35:52+03:26", "utc": "1913-06-09T10:09:52Z", "ms": -1784987408064.3723 }, "end": { "local": "1913-06-10T11:19:37+03:26", "utc": "1913-06-10T07:53:37Z", "ms": -1784909183278.6362 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-06-09", "window": { "start": { "local": "1913-06-09T11:02:34+03:26", "utc": "1913-06-09T07:36:34Z", "ms": -1784996606489.4321 }, "end": { "local": "1913-06-09T11:50:34+03:26", "utc": "1913-06-09T08:24:34Z", "ms": -1784993726489.4321 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-06-10", "window": { "start": { "local": "1913-06-10T11:02:45+03:26", "utc": "1913-06-10T07:36:45Z", "ms": -1784910195270.472 }, "end": { "local": "1913-06-10T11:50:45+03:26", "utc": "1913-06-10T08:24:45Z", "ms": -1784907315270.472 } }, "covered_min": 17, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:35 on Mon 9 Jun to 11:19 on Tue 10 Jun.", "fact": "1913-06-09T10:09:52Z → 1913-06-10T07:53:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 9th, 11:02–11:50 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 0 of 48 minutes on the 9th and 17 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1012 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Mashhad, 1913: Tuesday 10 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": "1913-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-10", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1913 falls on Tuesday 10 June. Ṣaṣṭhī runs from 13:35 on Mon 9 Jun to 11:19 on Tue 10 Jun and covers 17 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-06-14", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3629, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-06-14T03:08:57+03:26", "utc": "1913-06-13T23:42:57Z", "ms": -1784593023100.7395 }, "end": { "local": "1913-06-15T01:27:08+03:26", "utc": "1913-06-14T22:01:08Z", "ms": -1784512731809.7988 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-14T03:08:57+03:26", "utc": "1913-06-13T23:42:57Z", "ms": -1784593023100.7395 }, "end": { "local": "1913-06-15T01:27:08+03:26", "utc": "1913-06-14T22:01:08Z", "ms": -1784512731809.7988 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-06-14", "window": { "start": { "local": "1913-06-14T04:09:26+03:26", "utc": "1913-06-14T00:43:26Z", "ms": -1784589394320.372 }, "end": { "local": "1913-06-14T04:09:26+03:26", "utc": "1913-06-14T00:43:26Z", "ms": -1784589394320.372 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-06-15", "window": { "start": { "local": "1913-06-15T04:09:27+03:26", "utc": "1913-06-15T00:43:27Z", "ms": -1784502993359.324 }, "end": { "local": "1913-06-15T04:09:27+03:26", "utc": "1913-06-15T00:43:27Z", "ms": -1784502993359.324 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:08 on Sat 14 Jun to 01:26 on Sun 15 Jun.", "fact": "1913-06-13T23:42:57Z → 1913-06-14T22:01:08Z" }, { "step": "kaala", "text": "Sunrise is at 04:08 on the 14th and 04:08 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 3629 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Mashhad, 1913: Saturday 14 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": "1913-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-14", "confidence": "determinate" } ], "quote": "In Mashhad, Nirjalā Ekādaśī 1913 falls on Saturday 14 June. Ekādaśī runs from 03:08 on Sat 14 Jun to 01:26 on Sun 15 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34595, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1913-06-15T01:27:08+03:26", "utc": "1913-06-14T22:01:08Z", "ms": -1784512731809.7988 }, "end": { "local": "1913-06-15T23:57:27+03:26", "utc": "1913-06-15T20:31:27Z", "ms": -1784431712896.637 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-15T01:27:08+03:26", "utc": "1913-06-14T22:01:08Z", "ms": -1784512731809.7988 }, "end": { "local": "1913-06-15T23:57:27+03:26", "utc": "1913-06-15T20:31:27Z", "ms": -1784431712896.637 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-06-15", "window": { "start": { "local": "1913-06-15T11:03:44+03:26", "utc": "1913-06-15T07:37:44Z", "ms": -1784478136393.262 }, "end": { "local": "1913-06-15T11:51:44+03:26", "utc": "1913-06-15T08:25:44Z", "ms": -1784475256393.262 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-06-16", "window": { "start": { "local": "1913-06-16T11:03:56+03:26", "utc": "1913-06-16T07:37:56Z", "ms": -1784391724202.014 }, "end": { "local": "1913-06-16T11:51:56+03:26", "utc": "1913-06-16T08:25:56Z", "ms": -1784388844202.014 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:26 on Sun 15 Jun to 23:56 on Sun 15 Jun.", "fact": "1913-06-14T22:01:08Z → 1913-06-15T20:31:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 15th, 11:03–11:51 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34595 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Mashhad, 1913: Sunday 15 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": "1913-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-15", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Rāma Dvādaśī 1913 falls on Sunday 15 June. Dvādaśī runs from 01:26 on Sun 15 Jun to 23:56 on Sun 15 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/pradosha-vrata?on=1913-06-16", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9709, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-06-15T23:57:27+03:26", "utc": "1913-06-15T20:31:27Z", "ms": -1784431712896.637 }, "end": { "local": "1913-06-16T22:43:17+03:26", "utc": "1913-06-16T19:17:17Z", "ms": -1784349763498.0613 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-15T23:57:27+03:26", "utc": "1913-06-15T20:31:27Z", "ms": -1784431712896.637 }, "end": { "local": "1913-06-16T22:43:17+03:26", "utc": "1913-06-16T19:17:17Z", "ms": -1784349763498.0613 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-06-15", "window": { "start": { "local": "1913-06-15T18:46:01+03:26", "utc": "1913-06-15T15:20:01Z", "ms": -1784450399427.2 }, "end": { "local": "1913-06-15T20:01:08+03:26", "utc": "1913-06-15T16:35:08Z", "ms": -1784445891604.7625 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1913-06-16", "window": { "start": { "local": "1913-06-16T18:46:22+03:26", "utc": "1913-06-16T15:20:22Z", "ms": -1784363977645.1086 }, "end": { "local": "1913-06-16T20:01:28+03:26", "utc": "1913-06-16T16:35:28Z", "ms": -1784359472163.3389 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:56 on Sun 15 Jun to 22:42 on Mon 16 Jun.", "fact": "1913-06-15T20:31:27Z → 1913-06-16T19:17:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:00 on the 15th, 18:45–20:00 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 75 minutes on the 15th and 75 of 75 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 9709 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Monday 16 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": "1913-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-16", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Monday 16 June. Trayodaśī runs from 23:56 on Sun 15 Jun to 22:42 on Mon 16 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4636, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-06-17T21:48:56+03:26", "utc": "1913-06-17T18:22:56Z", "ms": -1784266624078.5137 }, "end": { "local": "1913-06-18T21:19:20+03:26", "utc": "1913-06-18T17:53:20Z", "ms": -1784181999988.0657 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-17T21:48:56+03:26", "utc": "1913-06-17T18:22:56Z", "ms": -1784266624078.5137 }, "end": { "local": "1913-06-18T21:19:20+03:26", "utc": "1913-06-18T17:53:20Z", "ms": -1784181999988.0657 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-06-17", "window": { "start": { "local": "1913-06-17T18:46:43+03:26", "utc": "1913-06-17T15:20:43Z", "ms": -1784277557301.2373 }, "end": { "local": "1913-06-17T20:01:46+03:26", "utc": "1913-06-17T16:35:46Z", "ms": -1784273053753.2751 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1913-06-18", "window": { "start": { "local": "1913-06-18T18:47:02+03:26", "utc": "1913-06-18T15:21:02Z", "ms": -1784191138419.4807 }, "end": { "local": "1913-06-18T20:02:04+03:26", "utc": "1913-06-18T16:36:04Z", "ms": -1784186636397.187 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:48 on Tue 17 Jun to 21:18 on Wed 18 Jun.", "fact": "1913-06-17T18:22:56Z → 1913-06-18T17:53:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:01 on the 17th, 18:46–20:01 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 75 minutes on the 17th and 75 of 75 on the 18th.", "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 4636 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Mashhad, 1913: Wednesday 18 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": "1913-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-18", "confidence": "determinate" } ], "quote": "In Mashhad, Vaṭa Sāvitrī Vrata 1913 falls on Wednesday 18 June. Pūrṇimā runs from 21:48 on Tue 17 Jun to 21:18 on Wed 18 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-06-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6188, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-06-21T23:01:27+03:26", "utc": "1913-06-21T19:35:27Z", "ms": -1783916673291.8682 }, "end": { "local": "1913-06-23T00:43:48+03:26", "utc": "1913-06-22T21:17:48Z", "ms": -1783824131904.5864 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-21T23:01:27+03:26", "utc": "1913-06-21T19:35:27Z", "ms": -1783916673291.8682 }, "end": { "local": "1913-06-23T00:43:48+03:26", "utc": "1913-06-22T21:17:48Z", "ms": -1783824131904.5864 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-06-21", "window": { "start": { "local": "1913-06-21T21:18:19+03:26", "utc": "1913-06-21T17:52:19Z", "ms": -1783922860954.1729 }, "end": { "local": "1913-06-21T21:18:19+03:26", "utc": "1913-06-21T17:52:19Z", "ms": -1783922860954.1729 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-06-22", "window": { "start": { "local": "1913-06-22T21:49:39+03:26", "utc": "1913-06-22T18:23:39Z", "ms": -1783834580950.7158 }, "end": { "local": "1913-06-22T21:49:39+03:26", "utc": "1913-06-22T18:23:39Z", "ms": -1783834580950.7158 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:00 on Sat 21 Jun to 00:43 on Mon 23 Jun.", "fact": "1913-06-21T19:35:27Z → 1913-06-22T21:17:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:17 on the 21st and 21:49 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.", "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 6188 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Sunday 22 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": "1913-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-22", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Sunday 22 June. Caturthī runs from 23:00 on Sat 21 Jun to 00:43 on Mon 23 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-06-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/ekadashi?on=1913-06-30", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32947, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-06-29T13:21:32+03:26", "utc": "1913-06-29T09:55:32Z", "ms": -1783260268232.9167 }, "end": { "local": "1913-06-30T13:50:32+03:26", "utc": "1913-06-30T10:24:32Z", "ms": -1783172128106.6448 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-06-29T13:21:32+03:26", "utc": "1913-06-29T09:55:32Z", "ms": -1783260268232.9167 }, "end": { "local": "1913-06-30T13:50:32+03:26", "utc": "1913-06-30T10:24:32Z", "ms": -1783172128106.6448 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-06-29", "window": { "start": { "local": "1913-06-29T04:12:25+03:26", "utc": "1913-06-29T00:46:25Z", "ms": -1783293215007.7808 }, "end": { "local": "1913-06-29T04:12:25+03:26", "utc": "1913-06-29T00:46:25Z", "ms": -1783293215007.7808 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-06-30", "window": { "start": { "local": "1913-06-30T04:12:49+03:26", "utc": "1913-06-30T00:46:49Z", "ms": -1783206791323.932 }, "end": { "local": "1913-06-30T04:12:49+03:26", "utc": "1913-06-30T00:46:49Z", "ms": -1783206791323.932 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:21 on Sun 29 Jun to 13:50 on Mon 30 Jun.", "fact": "1913-06-29T09:55:32Z → 1913-06-30T10:24:32Z" }, { "step": "kaala", "text": "Sunrise is at 04:11 on the 29th and 04:12 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32947 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Mashhad, 1913: Monday 30 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-06-30", "confidence": "determinate" } ], "quote": "In Mashhad, Yoginī Ekādaśī 1913 falls on Monday 30 June. Ekādaśī runs from 13:21 on Sun 29 Jun to 13:50 on Mon 30 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-07-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19002, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-07-01T13:32:02+03:26", "utc": "1913-07-01T10:06:02Z", "ms": -1783086837780.1003 }, "end": { "local": "1913-07-02T12:28:32+03:26", "utc": "1913-07-02T09:02:32Z", "ms": -1783004247811.0642 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-01T13:32:02+03:26", "utc": "1913-07-01T10:06:02Z", "ms": -1783086837780.1003 }, "end": { "local": "1913-07-02T12:28:32+03:26", "utc": "1913-07-02T09:02:32Z", "ms": -1783004247811.0642 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-07-01", "window": { "start": { "local": "1913-07-01T18:48:44+03:26", "utc": "1913-07-01T15:22:44Z", "ms": -1783067835804.7505 }, "end": { "local": "1913-07-01T20:04:04+03:26", "utc": "1913-07-01T16:38:04Z", "ms": -1783063316372.221 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "1913-07-02", "window": { "start": { "local": "1913-07-02T18:48:40+03:26", "utc": "1913-07-02T15:22:40Z", "ms": -1782981439541.8657 }, "end": { "local": "1913-07-02T20:04:04+03:26", "utc": "1913-07-02T16:38:04Z", "ms": -1782976915943.64 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:31 on Tue 1 Jul to 12:28 on Wed 2 Jul.", "fact": "1913-07-01T10:06:02Z → 1913-07-02T09:02:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:03 on the 1st, 18:48–20:03 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 75 of 75 minutes on the 1st and 0 of 75 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19002 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Tuesday 1 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": "1913-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-01", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Tuesday 1 July. Trayodaśī runs from 13:31 on Tue 1 Jul to 12:28 on Wed 2 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-07-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38332, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-07-02T12:28:32+03:26", "utc": "1913-07-02T09:02:32Z", "ms": -1783004247811.0642 }, "end": { "local": "1913-07-03T10:45:50+03:26", "utc": "1913-07-03T07:19:50Z", "ms": -1782924009770.2402 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-02T12:28:32+03:26", "utc": "1913-07-02T09:02:32Z", "ms": -1783004247811.0642 }, "end": { "local": "1913-07-03T10:45:50+03:26", "utc": "1913-07-03T07:19:50Z", "ms": -1782924009770.2402 } }, "kaala": "nishita", "days": [ { "local_date": "1913-07-02", "window": { "start": { "local": "1913-07-02T23:07:24+03:26", "utc": "1913-07-02T19:41:24Z", "ms": -1782965916048.519 }, "end": { "local": "1913-07-02T23:55:24+03:26", "utc": "1913-07-02T20:29:24Z", "ms": -1782963036048.519 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-07-03", "window": { "start": { "local": "1913-07-03T23:07:36+03:26", "utc": "1913-07-03T19:41:36Z", "ms": -1782879504433.2385 }, "end": { "local": "1913-07-03T23:55:36+03:26", "utc": "1913-07-03T20:29:36Z", "ms": -1782876624433.2385 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:28 on Wed 2 Jul to 10:45 on Thu 3 Jul.", "fact": "1913-07-02T09:02:32Z → 1913-07-03T07:19:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:06–23:54 on the 2nd, 23:07–23:55 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 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38332 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Wednesday 2 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": "1913-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-02", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Wednesday 2 July. Caturdaśī runs from 12:28 on Wed 2 Jul to 10:45 on Thu 3 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18732, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1913-07-05T05:55:30+03:26", "utc": "1913-07-05T02:29:30Z", "ms": -1782768629996.3547 }, "end": { "local": "1913-07-06T03:05:54+03:26", "utc": "1913-07-05T23:39:54Z", "ms": -1782692406030.1958 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-05T05:55:30+03:26", "utc": "1913-07-05T02:29:30Z", "ms": -1782768629996.3547 }, "end": { "local": "1913-07-06T03:05:54+03:26", "utc": "1913-07-05T23:39:54Z", "ms": -1782692406030.1958 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-07-05", "window": { "start": { "local": "1913-07-05T11:07:42+03:26", "utc": "1913-07-05T07:41:42Z", "ms": -1782749897600.997 }, "end": { "local": "1913-07-05T11:55:42+03:26", "utc": "1913-07-05T08:29:42Z", "ms": -1782747017600.997 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-07-06", "window": { "start": { "local": "1913-07-06T11:07:53+03:26", "utc": "1913-07-06T07:41:53Z", "ms": -1782663487485.6777 }, "end": { "local": "1913-07-06T11:55:53+03:26", "utc": "1913-07-06T08:29:53Z", "ms": -1782660607485.6777 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 05:55 on Sat 5 Jul to 03:05 on Sun 6 Jul.", "fact": "1913-07-05T02:29:30Z → 1913-07-05T23:39:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 5th, 11:07–11:55 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18732 s" }, { "step": "ruling", "text": "Rathayātrā, Mashhad, 1913: Saturday 5 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-05", "confidence": "determinate" } ], "quote": "In Mashhad, Rathayātrā 1913 falls on Saturday 5 July. Dvitīyā runs from 05:55 on Sat 5 Jul to 03:05 on Sun 6 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vinayaka-chaturthi?on=1913-07-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33865, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-07-07T00:11:40+03:26", "utc": "1913-07-06T20:45:40Z", "ms": -1782616460010.2173 }, "end": { "local": "1913-07-07T21:20:27+03:26", "utc": "1913-07-07T17:54:27Z", "ms": -1782540332617.7542 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-07T00:11:40+03:26", "utc": "1913-07-06T20:45:40Z", "ms": -1782616460010.2173 }, "end": { "local": "1913-07-07T21:20:27+03:26", "utc": "1913-07-07T17:54:27Z", "ms": -1782540332617.7542 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-07-06", "window": { "start": { "local": "1913-07-06T11:07:53+03:26", "utc": "1913-07-06T07:41:53Z", "ms": -1782663487485.6777 }, "end": { "local": "1913-07-06T11:55:53+03:26", "utc": "1913-07-06T08:29:53Z", "ms": -1782660607485.6777 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-07-07", "window": { "start": { "local": "1913-07-07T11:08:02+03:26", "utc": "1913-07-07T07:42:02Z", "ms": -1782577077721.275 }, "end": { "local": "1913-07-07T11:56:02+03:26", "utc": "1913-07-07T08:30:02Z", "ms": -1782574197721.275 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:11 on Mon 7 Jul to 21:19 on Mon 7 Jul.", "fact": "1913-07-06T20:45:40Z → 1913-07-07T17:54:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 6th, 11:07–11:55 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 33865 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Monday 7 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": "1913-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-07", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Monday 7 July. Caturthī runs from 00:11 on Mon 7 Jul to 21:19 on Mon 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24145, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1913-07-07T21:20:27+03:26", "utc": "1913-07-07T17:54:27Z", "ms": -1782540332617.7542 }, "end": { "local": "1913-07-08T18:38:37+03:26", "utc": "1913-07-08T15:12:37Z", "ms": -1782463642933.9421 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-07T21:20:27+03:26", "utc": "1913-07-07T17:54:27Z", "ms": -1782540332617.7542 }, "end": { "local": "1913-07-08T18:38:37+03:26", "utc": "1913-07-08T15:12:37Z", "ms": -1782463642933.9421 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-07-07", "window": { "start": { "local": "1913-07-07T11:08:02+03:26", "utc": "1913-07-07T07:42:02Z", "ms": -1782577077721.275 }, "end": { "local": "1913-07-07T11:56:02+03:26", "utc": "1913-07-07T08:30:02Z", "ms": -1782574197721.275 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-07-08", "window": { "start": { "local": "1913-07-08T11:08:12+03:26", "utc": "1913-07-08T07:42:12Z", "ms": -1782490668331.0354 }, "end": { "local": "1913-07-08T11:56:12+03:26", "utc": "1913-07-08T08:30:12Z", "ms": -1782487788331.0354 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:19 on Mon 7 Jul to 18:38 on Tue 8 Jul.", "fact": "1913-07-07T17:54:27Z → 1913-07-08T15:12:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 7th, 11:07–11:55 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24145 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Mashhad, 1913: Tuesday 8 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": "1913-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-08", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Pañcamī 1913 falls on Tuesday 8 July. Pañcamī runs from 21:19 on Mon 7 Jul to 18:38 on Tue 8 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7466, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1913-07-09T16:11:00+03:26", "utc": "1913-07-09T12:45:00Z", "ms": -1782386100092.2522 }, "end": { "local": "1913-07-10T14:00:55+03:26", "utc": "1913-07-10T10:34:55Z", "ms": -1782307504632.1353 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-09T16:11:00+03:26", "utc": "1913-07-09T12:45:00Z", "ms": -1782386100092.2522 }, "end": { "local": "1913-07-10T14:00:55+03:26", "utc": "1913-07-10T10:34:55Z", "ms": -1782307504632.1353 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-07-09", "window": { "start": { "local": "1913-07-09T11:08:21+03:26", "utc": "1913-07-09T07:42:21Z", "ms": -1782404259336.3096 }, "end": { "local": "1913-07-09T11:56:21+03:26", "utc": "1913-07-09T08:30:21Z", "ms": -1782401379336.3096 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-07-10", "window": { "start": { "local": "1913-07-10T11:08:29+03:26", "utc": "1913-07-10T07:42:29Z", "ms": -1782317850756.395 }, "end": { "local": "1913-07-10T11:56:29+03:26", "utc": "1913-07-10T08:30:29Z", "ms": -1782314970756.395 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:10 on Wed 9 Jul to 14:00 on Thu 10 Jul.", "fact": "1913-07-09T12:45:00Z → 1913-07-10T10:34:55Z" }, { "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": "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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7466 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Mashhad, 1913: Thursday 10 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": "1913-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-10", "confidence": "determinate" } ], "quote": "In Mashhad, Vivasvat Saptamī 1913 falls on Thursday 10 July. Saptamī runs from 16:10 on Wed 9 Jul to 14:00 on Thu 10 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-07-14", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15796, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-07-13T09:31:13+03:26", "utc": "1913-07-13T06:05:13Z", "ms": -1782064486613.7102 }, "end": { "local": "1913-07-14T08:43:36+03:26", "utc": "1913-07-14T05:17:36Z", "ms": -1781980944329.9673 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-13T09:31:13+03:26", "utc": "1913-07-13T06:05:13Z", "ms": -1782064486613.7102 }, "end": { "local": "1913-07-14T08:43:36+03:26", "utc": "1913-07-14T05:17:36Z", "ms": -1781980944329.9673 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-07-13", "window": { "start": { "local": "1913-07-13T04:19:42+03:26", "utc": "1913-07-13T00:53:42Z", "ms": -1782083178456.215 }, "end": { "local": "1913-07-13T04:19:42+03:26", "utc": "1913-07-13T00:53:42Z", "ms": -1782083178456.215 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-07-14", "window": { "start": { "local": "1913-07-14T04:20:20+03:26", "utc": "1913-07-14T00:54:20Z", "ms": -1781996740018.8853 }, "end": { "local": "1913-07-14T04:20:20+03:26", "utc": "1913-07-14T00:54:20Z", "ms": -1781996740018.8853 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:30 on Sun 13 Jul to 08:43 on Mon 14 Jul.", "fact": "1913-07-13T06:05:13Z → 1913-07-14T05:17:36Z" }, { "step": "kaala", "text": "Sunrise is at 04:19 on the 13th and 04:19 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 15796 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Mashhad, 1913: Monday 14 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": "1913-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-14", "confidence": "determinate" } ], "quote": "In Mashhad, Hariśayanī Ekādaśī 1913 falls on Monday 14 July. Ekādaśī runs from 09:30 on Sun 13 Jul to 08:43 on Mon 14 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-07-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37615, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-07-15T08:18:17+03:26", "utc": "1913-07-15T04:52:17Z", "ms": -1781896062990.7856 }, "end": { "local": "1913-07-16T08:16:42+03:26", "utc": "1913-07-16T04:50:42Z", "ms": -1781809757842.345 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-15T08:18:17+03:26", "utc": "1913-07-15T04:52:17Z", "ms": -1781896062990.7856 }, "end": { "local": "1913-07-16T08:16:42+03:26", "utc": "1913-07-16T04:50:42Z", "ms": -1781809757842.345 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-07-15", "window": { "start": { "local": "1913-07-15T18:45:12+03:26", "utc": "1913-07-15T15:19:12Z", "ms": -1781858448433.814 }, "end": { "local": "1913-07-15T20:02:03+03:26", "utc": "1913-07-15T16:36:03Z", "ms": -1781853836759.9807 } }, "covered_min": 77, "window_min": 77, "qualifies": true }, { "local_date": "1913-07-16", "window": { "start": { "local": "1913-07-16T18:44:43+03:26", "utc": "1913-07-16T15:18:43Z", "ms": -1781772076799.8474 }, "end": { "local": "1913-07-16T20:01:44+03:26", "utc": "1913-07-16T16:35:44Z", "ms": -1781767455925.873 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:17 on Tue 15 Jul to 08:16 on Wed 16 Jul.", "fact": "1913-07-15T04:52:17Z → 1913-07-16T04:50:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:01 on the 15th, 18:44–20:01 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 77 of 77 minutes on the 15th and 0 of 77 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 37615 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Tuesday 15 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": "1913-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-15", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Tuesday 15 July. Trayodaśī runs from 08:17 on Tue 15 Jul to 08:16 on Wed 16 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5843, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-07-17T08:40:40+03:26", "utc": "1913-07-17T05:14:40Z", "ms": -1781721919542.4053 }, "end": { "local": "1913-07-18T09:31:58+03:26", "utc": "1913-07-18T06:05:58Z", "ms": -1781632441567.471 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-17T08:40:40+03:26", "utc": "1913-07-17T05:14:40Z", "ms": -1781721919542.4053 }, "end": { "local": "1913-07-18T09:31:58+03:26", "utc": "1913-07-18T06:05:58Z", "ms": -1781632441567.471 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-07-17", "window": { "start": { "local": "1913-07-17T11:09:16+03:26", "utc": "1913-07-17T07:43:16Z", "ms": -1781713003559.5513 }, "end": { "local": "1913-07-17T11:57:16+03:26", "utc": "1913-07-17T08:31:16Z", "ms": -1781710123559.5513 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-07-18", "window": { "start": { "local": "1913-07-18T11:09:21+03:26", "utc": "1913-07-18T07:43:21Z", "ms": -1781626598791.874 }, "end": { "local": "1913-07-18T11:57:21+03:26", "utc": "1913-07-18T08:31:21Z", "ms": -1781623718791.874 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:40 on Thu 17 Jul to 09:31 on Fri 18 Jul.", "fact": "1913-07-17T05:14:40Z → 1913-07-18T06:05:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 17th, 11:08–11:56 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5843 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Mashhad, 1913: Thursday 17 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": "1913-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-17", "confidence": "determinate" } ], "quote": "In Mashhad, Guru Pūrṇimā 1913 falls on Thursday 17 July. Pūrṇimā runs from 08:40 on Thu 17 Jul to 09:31 on Fri 18 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22775, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-07-17T08:40:40+03:26", "utc": "1913-07-17T05:14:40Z", "ms": -1781721919542.4053 }, "end": { "local": "1913-07-18T09:31:58+03:26", "utc": "1913-07-18T06:05:58Z", "ms": -1781632441567.471 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-17T08:40:40+03:26", "utc": "1913-07-17T05:14:40Z", "ms": -1781721919542.4053 }, "end": { "local": "1913-07-18T09:31:58+03:26", "utc": "1913-07-18T06:05:58Z", "ms": -1781632441567.471 } }, "kaala": "sayahna", "days": [ { "local_date": "1913-07-17", "window": { "start": { "local": "1913-07-17T15:51:50+03:26", "utc": "1913-07-17T12:25:50Z", "ms": -1781696049548.2585 }, "end": { "local": "1913-07-17T18:44:13+03:26", "utc": "1913-07-17T15:18:13Z", "ms": -1781685706874.0635 } }, "covered_min": 172, "window_min": 172, "qualifies": true }, { "local_date": "1913-07-18", "window": { "start": { "local": "1913-07-18T15:51:33+03:26", "utc": "1913-07-18T12:25:33Z", "ms": -1781609666701.5483 }, "end": { "local": "1913-07-18T18:43:41+03:26", "utc": "1913-07-18T15:17:41Z", "ms": -1781599338641.3313 } }, "covered_min": 0, "window_min": 172, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:40 on Thu 17 Jul to 09:31 on Fri 18 Jul.", "fact": "1913-07-17T05:14:40Z → 1913-07-18T06:05:58Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:51–18:43 on the 17th, 15:51–18:43 on the 18th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 172 of 172 minutes on the 17th and 0 of 172 on the 18th.", "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 22775 s" }, { "step": "ruling", "text": "Kokilā Vrata, Mashhad, 1913: Thursday 17 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": "1913-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-17", "confidence": "determinate" } ], "quote": "In Mashhad, Kokilā Vrata 1913 falls on Thursday 17 July. Pūrṇimā runs from 08:40 on Thu 17 Jul to 09:31 on Fri 18 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33103, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-07-17T08:40:40+03:26", "utc": "1913-07-17T05:14:40Z", "ms": -1781721919542.4053 }, "end": { "local": "1913-07-18T09:31:58+03:26", "utc": "1913-07-18T06:05:58Z", "ms": -1781632441567.471 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-17T08:40:40+03:26", "utc": "1913-07-17T05:14:40Z", "ms": -1781721919542.4053 }, "end": { "local": "1913-07-18T09:31:58+03:26", "utc": "1913-07-18T06:05:58Z", "ms": -1781632441567.471 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-07-17", "window": { "start": { "local": "1913-07-17T18:44:13+03:26", "utc": "1913-07-17T15:18:13Z", "ms": -1781685706874.0635 }, "end": { "local": "1913-07-17T20:01:24+03:26", "utc": "1913-07-17T16:35:24Z", "ms": -1781681076483.1772 } }, "covered_min": 77, "window_min": 77, "qualifies": true }, { "local_date": "1913-07-18", "window": { "start": { "local": "1913-07-18T18:43:41+03:26", "utc": "1913-07-18T15:17:41Z", "ms": -1781599338641.3313 }, "end": { "local": "1913-07-18T20:01:02+03:26", "utc": "1913-07-18T16:35:02Z", "ms": -1781594698422.937 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:40 on Thu 17 Jul to 09:31 on Fri 18 Jul.", "fact": "1913-07-17T05:14:40Z → 1913-07-18T06:05:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:00 on the 17th, 18:43–20:00 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 77 of 77 minutes on the 17th and 0 of 77 on the 18th.", "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 33103 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Mashhad, 1913: Thursday 17 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": "1913-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-17", "confidence": "determinate" } ], "quote": "In Mashhad, Śiva Śayanotsava 1913 falls on Thursday 17 July. Pūrṇimā runs from 08:40 on Thu 17 Jul to 09:31 on Fri 18 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5158, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-07-17T08:40:40+03:26", "utc": "1913-07-17T05:14:40Z", "ms": -1781721919542.4053 }, "end": { "local": "1913-07-18T09:31:58+03:26", "utc": "1913-07-18T06:05:58Z", "ms": -1781632441567.471 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1913-07-17T08:40:40+03:26", "utc": "1913-07-17T05:14:40Z", "ms": -1781721919542.4053 }, "end": { "local": "1913-07-18T09:31:58+03:26", "utc": "1913-07-18T06:05:58Z", "ms": -1781632441567.471 } }, "kaala": "udaya-3", "days": [ { "local_date": "1913-07-17", "window": { "start": { "local": "1913-07-17T04:22:20+03:26", "utc": "1913-07-17T00:56:20Z", "ms": -1781737420245.039 }, "end": { "local": "1913-07-17T07:14:42+03:26", "utc": "1913-07-17T03:48:42Z", "ms": -1781727077570.844 } }, "covered_min": 0, "window_min": 172, "qualifies": false }, { "local_date": "1913-07-18", "window": { "start": { "local": "1913-07-18T04:23:01+03:26", "utc": "1913-07-18T00:57:01Z", "ms": -1781650978942.4167 }, "end": { "local": "1913-07-18T07:15:09+03:26", "utc": "1913-07-18T03:49:09Z", "ms": -1781640650882.1997 } }, "covered_min": 172, "window_min": 172, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:40 on Thu 17 Jul to 09:31 on Fri 18 Jul.", "fact": "1913-07-17T05:14:40Z → 1913-07-18T06:05:58Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:21–07:14 on the 17th, 04:22–07:14 on the 18th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 172 minutes on the 17th and 172 of 172 on the 18th.", "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 5158 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Mashhad, 1913: Friday 18 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": "1913-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-18", "confidence": "determinate" } ], "quote": "In Mashhad, Vyāsa Pūjā 1913 falls on Friday 18 July. Pūrṇimā runs from 08:40 on Thu 17 Jul to 09:31 on Fri 18 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27557, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1913-07-19T10:51:35+03:26", "utc": "1913-07-19T07:25:35Z", "ms": -1781541264823.6245 }, "end": { "local": "1913-07-20T12:38:46+03:26", "utc": "1913-07-20T09:12:46Z", "ms": -1781448434073.9795 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-07-19T10:51:35+03:26", "utc": "1913-07-19T07:25:35Z", "ms": -1781541264823.6245 }, "end": { "local": "1913-07-20T12:38:46+03:26", "utc": "1913-07-20T09:12:46Z", "ms": -1781448434073.9795 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-07-19", "window": { "start": { "local": "1913-07-19T19:49:57+03:26", "utc": "1913-07-19T16:23:57Z", "ms": -1781508963497.4414 }, "end": { "local": "1913-07-19T19:49:57+03:26", "utc": "1913-07-19T16:23:57Z", "ms": -1781508963497.4414 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-07-20", "window": { "start": { "local": "1913-07-20T20:18:03+03:26", "utc": "1913-07-20T16:52:03Z", "ms": -1781420877474.9207 }, "end": { "local": "1913-07-20T20:18:03+03:26", "utc": "1913-07-20T16:52:03Z", "ms": -1781420877474.9207 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:51 on Sat 19 Jul to 12:38 on Sun 20 Jul.", "fact": "1913-07-19T07:25:35Z → 1913-07-20T09:12:46Z" }, { "step": "kaala", "text": "Moonrise is at 19:49 on the 19th and 20:17 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27557 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Mashhad, 1913: Saturday 19 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-19", "confidence": "determinate" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata (Āṣāḍha) 1913 falls on Saturday 19 July. Dvitīyā runs from 10:51 on Sat 19 Jul to 12:38 on Sun 20 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-07-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13573, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-07-21T14:50:04+03:26", "utc": "1913-07-21T11:24:04Z", "ms": -1781354155867.69 }, "end": { "local": "1913-07-22T17:18:39+03:26", "utc": "1913-07-22T13:52:39Z", "ms": -1781258841473.6545 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-07-21T14:50:04+03:26", "utc": "1913-07-21T11:24:04Z", "ms": -1781354155867.69 }, "end": { "local": "1913-07-22T17:18:39+03:26", "utc": "1913-07-22T13:52:39Z", "ms": -1781258841473.6545 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-07-21", "window": { "start": { "local": "1913-07-21T20:42:32+03:26", "utc": "1913-07-21T17:16:32Z", "ms": -1781333008226.054 }, "end": { "local": "1913-07-21T20:42:32+03:26", "utc": "1913-07-21T17:16:32Z", "ms": -1781333008226.054 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-07-22", "window": { "start": { "local": "1913-07-22T21:04:51+03:26", "utc": "1913-07-22T17:38:51Z", "ms": -1781245268877.6619 }, "end": { "local": "1913-07-22T21:04:51+03:26", "utc": "1913-07-22T17:38:51Z", "ms": -1781245268877.6619 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:49 on Mon 21 Jul to 17:18 on Tue 22 Jul.", "fact": "1913-07-21T11:24:04Z → 1913-07-22T13:52:39Z" }, { "step": "kaala", "text": "Moonrise is at 20:42 on the 21st and 21:04 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.", "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 13573 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Monday 21 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": "1913-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-21", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Monday 21 July. Caturthī runs from 14:49 on Mon 21 Jul to 17:18 on Tue 22 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-07-21", "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/1913/ekadashi?on=1913-07-29", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5440, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-07-29T03:00:31+03:26", "utc": "1913-07-28T23:34:31Z", "ms": -1780705528924.2705 }, "end": { "local": "1913-07-30T02:12:29+03:26", "utc": "1913-07-29T22:46:29Z", "ms": -1780622011257.4844 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-07-29T03:00:31+03:26", "utc": "1913-07-28T23:34:31Z", "ms": -1780705528924.2705 }, "end": { "local": "1913-07-30T02:12:29+03:26", "utc": "1913-07-29T22:46:29Z", "ms": -1780622011257.4844 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-07-29", "window": { "start": { "local": "1913-07-29T04:31:11+03:26", "utc": "1913-07-29T01:05:11Z", "ms": -1780700089208.8904 }, "end": { "local": "1913-07-29T04:31:11+03:26", "utc": "1913-07-29T01:05:11Z", "ms": -1780700089208.8904 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-07-30", "window": { "start": { "local": "1913-07-30T04:31:58+03:26", "utc": "1913-07-30T01:05:58Z", "ms": -1780613642237.0737 }, "end": { "local": "1913-07-30T04:31:58+03:26", "utc": "1913-07-30T01:05:58Z", "ms": -1780613642237.0737 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:00 on Tue 29 Jul to 02:11 on Wed 30 Jul.", "fact": "1913-07-28T23:34:31Z → 1913-07-29T22:46:29Z" }, { "step": "kaala", "text": "Sunrise is at 04:30 on the 29th and 04:31 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not 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 5440 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Mashhad, 1913: Tuesday 29 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": "1913-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-29", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmikā Ekādaśī 1913 falls on Tuesday 29 July. Ekādaśī runs from 03:00 on Tue 29 Jul to 02:11 on Wed 30 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-07-31", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8860, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-07-31T00:37:30+03:26", "utc": "1913-07-30T21:11:30Z", "ms": -1780541310118.2441 }, "end": { "local": "1913-07-31T22:21:56+03:26", "utc": "1913-07-31T18:55:56Z", "ms": -1780463044262.2532 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-07-31T00:37:30+03:26", "utc": "1913-07-30T21:11:30Z", "ms": -1780541310118.2441 }, "end": { "local": "1913-07-31T22:21:56+03:26", "utc": "1913-07-31T18:55:56Z", "ms": -1780463044262.2532 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-07-30", "window": { "start": { "local": "1913-07-30T18:35:14+03:26", "utc": "1913-07-30T15:09:14Z", "ms": -1780563045531.1042 }, "end": { "local": "1913-07-30T19:54:55+03:26", "utc": "1913-07-30T16:28:55Z", "ms": -1780558265458.2632 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "1913-07-31", "window": { "start": { "local": "1913-07-31T18:34:22+03:26", "utc": "1913-07-31T15:08:22Z", "ms": -1780476697651.8486 }, "end": { "local": "1913-07-31T19:54:16+03:26", "utc": "1913-07-31T16:28:16Z", "ms": -1780471904295.9497 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:36 on Thu 31 Jul to 22:21 on Thu 31 Jul.", "fact": "1913-07-30T21:11:30Z → 1913-07-31T18:55:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–19:54 on the 30th, 18:33–19:53 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 0 of 80 minutes on the 30th and 80 of 80 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 8860 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Thursday 31 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": "1913-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-31", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Thursday 31 July. Trayodaśī runs from 00:36 on Thu 31 Jul to 22:21 on Thu 31 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-07-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2882, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-07-31T22:21:56+03:26", "utc": "1913-07-31T18:55:56Z", "ms": -1780463044262.2532 }, "end": { "local": "1913-08-01T19:34:11+03:26", "utc": "1913-08-01T16:08:11Z", "ms": -1780386709333.9722 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-07-31T22:21:56+03:26", "utc": "1913-07-31T18:55:56Z", "ms": -1780463044262.2532 }, "end": { "local": "1913-08-01T19:34:11+03:26", "utc": "1913-08-01T16:08:11Z", "ms": -1780386709333.9722 } }, "kaala": "nishita", "days": [ { "local_date": "1913-07-31", "window": { "start": { "local": "1913-07-31T23:09:57+03:26", "utc": "1913-07-31T19:43:57Z", "ms": -1780460162567.2275 }, "end": { "local": "1913-07-31T23:57:57+03:26", "utc": "1913-07-31T20:31:57Z", "ms": -1780457282567.2275 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-08-01", "window": { "start": { "local": "1913-08-01T23:09:55+03:26", "utc": "1913-08-01T19:43:55Z", "ms": -1780373765478.3716 }, "end": { "local": "1913-08-01T23:57:55+03:26", "utc": "1913-08-01T20:31:55Z", "ms": -1780370885478.3716 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:21 on Thu 31 Jul to 19:33 on Fri 1 Aug.", "fact": "1913-07-31T18:55:56Z → 1913-08-01T16:08:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:09–23:57 on the 31st, 23:09–23:57 on the 1st.", "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 31st and 0 of 48 on the 1st.", "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 2882 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Thursday 31 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": "1913-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-07-31", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Thursday 31 July. Caturdaśī runs from 22:21 on Thu 31 Jul to 19:33 on Fri 1 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5711, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1913-08-04T09:34:07+03:26", "utc": "1913-08-04T06:08:07Z", "ms": -1780163512502.5938 }, "end": { "local": "1913-08-05T06:13:37+03:26", "utc": "1913-08-05T02:47:37Z", "ms": -1780089143255.9504 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-08-04T09:34:07+03:26", "utc": "1913-08-04T06:08:07Z", "ms": -1780163512502.5938 }, "end": { "local": "1913-08-05T06:13:37+03:26", "utc": "1913-08-05T02:47:37Z", "ms": -1780089143255.9504 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-08-04", "window": { "start": { "local": "1913-08-04T11:09:18+03:26", "utc": "1913-08-04T07:43:18Z", "ms": -1780157801970.333 }, "end": { "local": "1913-08-04T11:57:18+03:26", "utc": "1913-08-04T08:31:18Z", "ms": -1780154921970.333 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-08-05", "window": { "start": { "local": "1913-08-05T11:09:13+03:26", "utc": "1913-08-05T07:43:13Z", "ms": -1780071407384.9 }, "end": { "local": "1913-08-05T11:57:13+03:26", "utc": "1913-08-05T08:31:13Z", "ms": -1780068527384.9 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:33 on Mon 4 Aug to 06:13 on Tue 5 Aug.", "fact": "1913-08-04T06:08:07Z → 1913-08-05T02:47:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 4th, 11:08–11:56 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 5711 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Mashhad, 1913: Monday 4 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": "1913-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-04", "confidence": "determinate" } ], "quote": "In Mashhad, Madhusravā Tṛtīyā (Hariyali Teej) 1913 falls on Monday 4 August. Tṛtīyā runs from 09:33 on Mon 4 Aug to 06:13 on Tue 5 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vinayaka-chaturthi?on=1913-08-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17736, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-08-05T06:13:37+03:26", "utc": "1913-08-05T02:47:37Z", "ms": -1780089143255.9504 }, "end": { "local": "1913-08-06T03:07:02+03:26", "utc": "1913-08-05T23:41:02Z", "ms": -1780013937589.9004 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-08-05T06:13:37+03:26", "utc": "1913-08-05T02:47:37Z", "ms": -1780089143255.9504 }, "end": { "local": "1913-08-06T03:07:02+03:26", "utc": "1913-08-05T23:41:02Z", "ms": -1780013937589.9004 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-08-05", "window": { "start": { "local": "1913-08-05T11:09:13+03:26", "utc": "1913-08-05T07:43:13Z", "ms": -1780071407384.9 }, "end": { "local": "1913-08-05T11:57:13+03:26", "utc": "1913-08-05T08:31:13Z", "ms": -1780068527384.9 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-08-06", "window": { "start": { "local": "1913-08-06T11:09:07+03:26", "utc": "1913-08-06T07:43:07Z", "ms": -1779985013405.483 }, "end": { "local": "1913-08-06T11:57:07+03:26", "utc": "1913-08-06T08:31:07Z", "ms": -1779982133405.483 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:13 on Tue 5 Aug to 03:06 on Wed 6 Aug.", "fact": "1913-08-05T02:47:37Z → 1913-08-05T23:41:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 5th, 11:08–11:56 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17736 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Tuesday 5 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": "1913-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-05", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Tuesday 5 August. Caturthī runs from 06:13 on Tue 5 Aug to 03:06 on Wed 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-08-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28924, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1913-08-06T03:07:02+03:26", "utc": "1913-08-05T23:41:02Z", "ms": -1780013937589.9004 }, "end": { "local": "1913-08-07T00:21:13+03:26", "utc": "1913-08-06T20:55:13Z", "ms": -1779937486613.09 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-08-06T03:07:02+03:26", "utc": "1913-08-05T23:41:02Z", "ms": -1780013937589.9004 }, "end": { "local": "1913-08-07T00:21:13+03:26", "utc": "1913-08-06T20:55:13Z", "ms": -1779937486613.09 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-08-06", "window": { "start": { "local": "1913-08-06T11:09:07+03:26", "utc": "1913-08-06T07:43:07Z", "ms": -1779985013405.483 }, "end": { "local": "1913-08-06T11:57:07+03:26", "utc": "1913-08-06T08:31:07Z", "ms": -1779982133405.483 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-08-07", "window": { "start": { "local": "1913-08-07T11:09:00+03:26", "utc": "1913-08-07T07:43:00Z", "ms": -1779898620031.6377 }, "end": { "local": "1913-08-07T11:57:00+03:26", "utc": "1913-08-07T08:31:00Z", "ms": -1779895740031.6377 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:06 on Wed 6 Aug to 00:20 on Thu 7 Aug.", "fact": "1913-08-05T23:41:02Z → 1913-08-06T20:55:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 6th, 11:08–11:56 on the 7th.", "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 6th and 0 of 48 on the 7th.", "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 28924 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Mashhad, 1913: Wednesday 6 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": "1913-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-06", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī 1913 falls on Wednesday 6 August. Pañcamī runs from 03:06 on Wed 6 Aug to 00:20 on Thu 7 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-08-12", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37816, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-08-11T17:55:17+03:26", "utc": "1913-08-11T14:29:17Z", "ms": -1779528642632.2979 }, "end": { "local": "1913-08-12T18:12:57+03:26", "utc": "1913-08-12T14:46:57Z", "ms": -1779441183475.1184 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-08-11T17:55:17+03:26", "utc": "1913-08-11T14:29:17Z", "ms": -1779528642632.2979 }, "end": { "local": "1913-08-12T18:12:57+03:26", "utc": "1913-08-12T14:46:57Z", "ms": -1779441183475.1184 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-08-12", "window": { "start": { "local": "1913-08-12T04:42:24+03:26", "utc": "1913-08-12T01:16:24Z", "ms": -1779489816454.479 }, "end": { "local": "1913-08-12T04:42:24+03:26", "utc": "1913-08-12T01:16:24Z", "ms": -1779489816454.479 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-08-13", "window": { "start": { "local": "1913-08-13T04:43:12+03:26", "utc": "1913-08-13T01:17:12Z", "ms": -1779403367967.1172 }, "end": { "local": "1913-08-13T04:43:12+03:26", "utc": "1913-08-13T01:17:12Z", "ms": -1779403367967.1172 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:54 on Mon 11 Aug to 18:12 on Tue 12 Aug.", "fact": "1913-08-11T14:29:17Z → 1913-08-12T14:46:57Z" }, { "step": "kaala", "text": "Sunrise is at 04:41 on the 12th and 04:42 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37816 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 1913: Tuesday 12 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": "1913-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-12", "confidence": "determinate" } ], "quote": "In Mashhad, Putradā Ekādaśī 1913 falls on Tuesday 12 August. Ekādaśī runs from 17:54 on Mon 11 Aug to 18:12 on Tue 12 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-08-12", "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/1913/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22599, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1913-08-12T18:12:57+03:26", "utc": "1913-08-12T14:46:57Z", "ms": -1779441183475.1184 }, "end": { "local": "1913-08-13T18:59:39+03:26", "utc": "1913-08-13T15:33:39Z", "ms": -1779351981137.1353 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-08-12T18:12:57+03:26", "utc": "1913-08-12T14:46:57Z", "ms": -1779441183475.1184 }, "end": { "local": "1913-08-13T18:59:39+03:26", "utc": "1913-08-13T15:33:39Z", "ms": -1779351981137.1353 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-08-12", "window": { "start": { "local": "1913-08-12T11:08:18+03:26", "utc": "1913-08-12T07:42:18Z", "ms": -1779466662100.447 }, "end": { "local": "1913-08-12T11:56:18+03:26", "utc": "1913-08-12T08:30:18Z", "ms": -1779463782100.447 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-08-13", "window": { "start": { "local": "1913-08-13T11:08:08+03:26", "utc": "1913-08-13T07:42:08Z", "ms": -1779380272251.5889 }, "end": { "local": "1913-08-13T11:56:08+03:26", "utc": "1913-08-13T08:30:08Z", "ms": -1779377392251.5889 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:12 on Tue 12 Aug to 18:59 on Wed 13 Aug.", "fact": "1913-08-12T14:46:57Z → 1913-08-13T15:33:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 12th, 11:07–11:55 on the 13th.", "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 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22599 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Mashhad, 1913: Wednesday 13 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": "1913-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-13", "confidence": "determinate" } ], "quote": "In Mashhad, Dāmodara Dvādaśī 1913 falls on Wednesday 13 August. Dvādaśī runs from 18:12 on Tue 12 Aug to 18:59 on Wed 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/pradosha-vrata?on=1913-08-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-14", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1812, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-08-13T18:59:39+03:26", "utc": "1913-08-13T15:33:39Z", "ms": -1779351981137.1353 }, "end": { "local": "1913-08-14T20:13:25+03:26", "utc": "1913-08-14T16:47:25Z", "ms": -1779261155294.033 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-08-13T18:59:39+03:26", "utc": "1913-08-13T15:33:39Z", "ms": -1779351981137.1353 }, "end": { "local": "1913-08-14T20:13:25+03:26", "utc": "1913-08-14T16:47:25Z", "ms": -1779261155294.033 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-08-13", "window": { "start": { "local": "1913-08-13T18:21:03+03:26", "utc": "1913-08-13T14:55:03Z", "ms": -1779354296536.0608 }, "end": { "local": "1913-08-13T19:44:07+03:26", "utc": "1913-08-13T16:18:07Z", "ms": -1779349312932.0464 } }, "covered_min": 44, "window_min": 83, "qualifies": true }, { "local_date": "1913-08-14", "window": { "start": { "local": "1913-08-14T18:19:54+03:26", "utc": "1913-08-14T14:53:54Z", "ms": -1779267966413.2751 }, "end": { "local": "1913-08-14T19:43:13+03:26", "utc": "1913-08-14T16:17:13Z", "ms": -1779262967035.319 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:59 on Wed 13 Aug to 20:12 on Thu 14 Aug.", "fact": "1913-08-13T15:33:39Z → 1913-08-14T16:47:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–19:43 on the 13th, 18:19–19:42 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 44 of 83 minutes on the 13th and 83 of 83 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1812 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Thursday 14 August.", "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": "1913-08-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-14", "confidence": "boundary" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Thursday 14 August. Trayodaśī runs from 18:59 on Wed 13 Aug to 20:12 on Thu 14 Aug and covers all of pradoṣa that evening. It also reaches the previous evening for 44 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/1913/pradosha-vrata?on=1913-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17631, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-08-15T21:51:59+03:26", "utc": "1913-08-15T18:25:59Z", "ms": -1779168841116.7075 }, "end": { "local": "1913-08-16T23:52:34+03:26", "utc": "1913-08-16T20:26:34Z", "ms": -1779075205833.5166 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1913-08-16T10:49:44+03:26", "utc": "1913-08-16T07:23:44Z", "ms": -1779122176177.798 }, "end": { "local": "1913-08-16T23:52:34+03:26", "utc": "1913-08-16T20:26:34Z", "ms": -1779075205833.5166 } }, "kaala": "day", "days": [ { "local_date": "1913-08-16", "window": { "start": { "local": "1913-08-16T04:45:37+03:26", "utc": "1913-08-16T01:19:37Z", "ms": -1779144022691.2515 }, "end": { "local": "1913-08-17T04:46:26+03:26", "utc": "1913-08-17T01:20:26Z", "ms": -1779057574348.7922 } }, "covered_min": 783, "window_min": 1441, "qualifies": true }, { "local_date": "1913-08-17", "window": { "start": { "local": "1913-08-17T04:46:26+03:26", "utc": "1913-08-17T01:20:26Z", "ms": -1779057574348.7922 }, "end": { "local": "1913-08-18T04:47:14+03:26", "utc": "1913-08-18T01:21:14Z", "ms": -1778971126055.0403 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:51 on Fri 15 Aug to 23:52 on Sat 16 Aug. Its second half begins at 10:49 on Sat 16 Aug.", "fact": "1913-08-15T18:25:59Z → 1913-08-16T20:26:34Z · second half from 1913-08-16T07:23:44Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 04:45 on the 16th, and from 04:45 on the 17th.", "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 783 of 1441 minutes on the 16th and 0 of 1441 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17631 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Mashhad, 1913: Saturday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-16", "confidence": "determinate" } ], "quote": "In Mashhad, Rakṣā Bandhana (Rakhi) 1913 falls on Saturday 16 August. The second half of Pūrṇimā runs from 10:49 on Sat 16 Aug to 23:52 on Sat 16 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35773, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-08-15T21:51:59+03:26", "utc": "1913-08-15T18:25:59Z", "ms": -1779168841116.7075 }, "end": { "local": "1913-08-16T23:52:34+03:26", "utc": "1913-08-16T20:26:34Z", "ms": -1779075205833.5166 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1913-08-15T21:51:59+03:26", "utc": "1913-08-15T18:25:59Z", "ms": -1779168841116.7075 }, "end": { "local": "1913-08-16T23:52:34+03:26", "utc": "1913-08-16T20:26:34Z", "ms": -1779075205833.5166 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-08-15", "window": { "start": { "local": "1913-08-15T11:07:46+03:26", "utc": "1913-08-15T07:41:46Z", "ms": -1779207494213.165 }, "end": { "local": "1913-08-15T11:55:46+03:26", "utc": "1913-08-15T08:29:46Z", "ms": -1779204614213.165 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-08-16", "window": { "start": { "local": "1913-08-16T11:07:34+03:26", "utc": "1913-08-16T07:41:34Z", "ms": -1779121106000.1843 }, "end": { "local": "1913-08-16T11:55:34+03:26", "utc": "1913-08-16T08:29:34Z", "ms": -1779118226000.1843 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:51 on Fri 15 Aug to 23:52 on Sat 16 Aug.", "fact": "1913-08-15T18:25:59Z → 1913-08-16T20:26:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 15th, 11:07–11:55 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35773 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Mashhad, 1913: Saturday 16 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": "1913-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-16", "confidence": "determinate" } ], "quote": "In Mashhad, Ṛṣi Tarpaṇa 1913 falls on Saturday 16 August. Pūrṇimā runs from 21:51 on Fri 15 Aug to 23:52 on Sat 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26699, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1913-08-18T02:11:23+03:26", "utc": "1913-08-17T22:45:23Z", "ms": -1778980477476.0508 }, "end": { "local": "1913-08-19T04:43:02+03:26", "utc": "1913-08-19T01:17:02Z", "ms": -1778884977784.3071 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-18T02:11:23+03:26", "utc": "1913-08-17T22:45:23Z", "ms": -1778980477476.0508 }, "end": { "local": "1913-08-19T04:43:02+03:26", "utc": "1913-08-19T01:17:02Z", "ms": -1778884977784.3071 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-08-17", "window": { "start": { "local": "1913-08-17T18:46:23+03:26", "utc": "1913-08-17T15:20:23Z", "ms": -1779007176878.2532 }, "end": { "local": "1913-08-17T18:46:23+03:26", "utc": "1913-08-17T15:20:23Z", "ms": -1779007176878.2532 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-08-18", "window": { "start": { "local": "1913-08-18T19:09:11+03:26", "utc": "1913-08-18T15:43:11Z", "ms": -1778919408803.4946 }, "end": { "local": "1913-08-18T19:09:11+03:26", "utc": "1913-08-18T15:43:11Z", "ms": -1778919408803.4946 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:10 on Mon 18 Aug to 04:42 on Tue 19 Aug.", "fact": "1913-08-17T22:45:23Z → 1913-08-19T01:17:02Z" }, { "step": "kaala", "text": "Moonrise is at 18:45 on the 17th and 19:08 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 17th and is on the 18th.", "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 26699 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Mashhad, 1913: Monday 18 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": "1913-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-18", "confidence": "determinate" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata 1913 falls on Monday 18 August. Dvitīyā runs from 02:10 on Mon 18 Aug to 04:42 on Tue 19 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13589, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1913-08-19T04:43:02+03:26", "utc": "1913-08-19T01:17:02Z", "ms": -1778884977784.3071 }, "end": { "local": "1913-08-20T07:20:13+03:26", "utc": "1913-08-20T03:54:13Z", "ms": -1778789147025.744 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-19T04:43:02+03:26", "utc": "1913-08-19T01:17:02Z", "ms": -1778884977784.3071 }, "end": { "local": "1913-08-20T07:20:13+03:26", "utc": "1913-08-20T03:54:13Z", "ms": -1778789147025.744 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-08-19", "window": { "start": { "local": "1913-08-19T11:06:56+03:26", "utc": "1913-08-19T07:40:56Z", "ms": -1778861944432.8901 }, "end": { "local": "1913-08-19T11:54:56+03:26", "utc": "1913-08-19T08:28:56Z", "ms": -1778859064432.8901 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-08-20", "window": { "start": { "local": "1913-08-20T11:06:42+03:26", "utc": "1913-08-20T07:40:42Z", "ms": -1778775558222.415 }, "end": { "local": "1913-08-20T11:54:42+03:26", "utc": "1913-08-20T08:28:42Z", "ms": -1778772678222.415 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:42 on Tue 19 Aug to 07:19 on Wed 20 Aug.", "fact": "1913-08-19T01:17:02Z → 1913-08-20T03:54:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 19th, 11:06–11:54 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13589 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Mashhad, 1913: Tuesday 19 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": "1913-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-19", "confidence": "determinate" } ], "quote": "In Mashhad, Kajjalī Tṛtīyā (Kajari Teej) 1913 falls on Tuesday 19 August. Tṛtīyā runs from 04:42 on Tue 19 Aug to 07:19 on Wed 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20243, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-08-20T07:20:13+03:26", "utc": "1913-08-20T03:54:13Z", "ms": -1778789147025.744 }, "end": { "local": "1913-08-21T09:53:33+03:26", "utc": "1913-08-21T06:27:33Z", "ms": -1778693546550.56 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-20T07:20:13+03:26", "utc": "1913-08-20T03:54:13Z", "ms": -1778789147025.744 }, "end": { "local": "1913-08-21T09:53:33+03:26", "utc": "1913-08-21T06:27:33Z", "ms": -1778693546550.56 } }, "kaala": "sayahna", "days": [ { "local_date": "1913-08-20", "window": { "start": { "local": "1913-08-20T15:31:49+03:26", "utc": "1913-08-20T12:05:49Z", "ms": -1778759651381.1697 }, "end": { "local": "1913-08-20T18:12:33+03:26", "utc": "1913-08-20T14:46:33Z", "ms": -1778750006820.3394 } }, "covered_min": 161, "window_min": 161, "qualifies": true }, { "local_date": "1913-08-21", "window": { "start": { "local": "1913-08-21T15:30:57+03:26", "utc": "1913-08-21T12:04:57Z", "ms": -1778673303069.6792 }, "end": { "local": "1913-08-21T18:11:17+03:26", "utc": "1913-08-21T14:45:17Z", "ms": -1778663683464.2673 } }, "covered_min": 0, "window_min": 160, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:19 on Wed 20 Aug to 09:53 on Thu 21 Aug.", "fact": "1913-08-20T03:54:13Z → 1913-08-21T06:27:33Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:31–18:12 on the 20th, 15:30–18:10 on the 21st.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 161 of 161 minutes on the 20th and 0 of 160 on the 21st.", "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 20243 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Mashhad, 1913: Wednesday 20 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": "1913-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-20", "confidence": "determinate" } ], "quote": "In Mashhad, Bahulā Caturthī 1913 falls on Wednesday 20 August. Caturthī runs from 07:19 on Wed 20 Aug to 09:53 on Thu 21 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-08-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37243, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-08-20T07:20:13+03:26", "utc": "1913-08-20T03:54:13Z", "ms": -1778789147025.744 }, "end": { "local": "1913-08-21T09:53:33+03:26", "utc": "1913-08-21T06:27:33Z", "ms": -1778693546550.56 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-20T07:20:13+03:26", "utc": "1913-08-20T03:54:13Z", "ms": -1778789147025.744 }, "end": { "local": "1913-08-21T09:53:33+03:26", "utc": "1913-08-21T06:27:33Z", "ms": -1778693546550.56 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-08-20", "window": { "start": { "local": "1913-08-20T19:52:00+03:26", "utc": "1913-08-20T16:26:00Z", "ms": -1778744040203.1992 }, "end": { "local": "1913-08-20T19:52:00+03:26", "utc": "1913-08-20T16:26:00Z", "ms": -1778744040203.1992 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-08-21", "window": { "start": { "local": "1913-08-21T20:14:17+03:26", "utc": "1913-08-21T16:48:17Z", "ms": -1778656303158.614 }, "end": { "local": "1913-08-21T20:14:17+03:26", "utc": "1913-08-21T16:48:17Z", "ms": -1778656303158.614 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:19 on Wed 20 Aug to 09:53 on Thu 21 Aug.", "fact": "1913-08-20T03:54:13Z → 1913-08-21T06:27:33Z" }, { "step": "kaala", "text": "Moonrise is at 19:51 on the 20th and 20:13 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 37243 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Wednesday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-20", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Wednesday 20 August. Caturthī runs from 07:19 on Wed 20 Aug to 09:53 on Thu 21 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-08-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1079, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1913-08-22T12:12:12+03:26", "utc": "1913-08-22T08:46:12Z", "ms": -1778598827917.2505 }, "end": { "local": "1913-08-23T14:04:53+03:26", "utc": "1913-08-23T10:38:53Z", "ms": -1778505667235.416 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-22T12:12:12+03:26", "utc": "1913-08-22T08:46:12Z", "ms": -1778598827917.2505 }, "end": { "local": "1913-08-23T14:04:53+03:26", "utc": "1913-08-23T10:38:53Z", "ms": -1778505667235.416 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-08-22", "window": { "start": { "local": "1913-08-22T11:06:13+03:26", "utc": "1913-08-22T07:40:13Z", "ms": -1778602787184.603 }, "end": { "local": "1913-08-22T11:54:13+03:26", "utc": "1913-08-22T08:28:13Z", "ms": -1778599907184.603 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-08-23", "window": { "start": { "local": "1913-08-23T11:05:58+03:26", "utc": "1913-08-23T07:39:58Z", "ms": -1778516402328.2422 }, "end": { "local": "1913-08-23T11:53:58+03:26", "utc": "1913-08-23T08:27:58Z", "ms": -1778513522328.2422 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:11 on Fri 22 Aug to 14:04 on Sat 23 Aug.", "fact": "1913-08-22T08:46:12Z → 1913-08-23T10:38:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 22nd, 11:05–11:53 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1079 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Mashhad, 1913: Saturday 23 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": "1913-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-23", "confidence": "determinate" } ], "quote": "In Mashhad, Hala Ṣaṣṭhī 1913 falls on Saturday 23 August. Ṣaṣṭhī runs from 12:11 on Fri 22 Aug to 14:04 on Sat 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25914, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1913-08-24T15:21:22+03:26", "utc": "1913-08-24T11:55:22Z", "ms": -1778414677675.9138 }, "end": { "local": "1913-08-25T15:53:56+03:26", "utc": "1913-08-25T12:27:56Z", "ms": -1778326324316.1304 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-24T15:21:22+03:26", "utc": "1913-08-24T11:55:22Z", "ms": -1778414677675.9138 }, "end": { "local": "1913-08-25T15:53:56+03:26", "utc": "1913-08-25T12:27:56Z", "ms": -1778326324316.1304 } }, "kaala": "nishita", "days": [ { "local_date": "1913-08-24", "window": { "start": { "local": "1913-08-24T23:06:06+03:26", "utc": "1913-08-24T19:40:06Z", "ms": -1778386793941.0933 }, "end": { "local": "1913-08-24T23:54:06+03:26", "utc": "1913-08-24T20:28:06Z", "ms": -1778383913941.0933 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-08-25", "window": { "start": { "local": "1913-08-25T23:05:50+03:26", "utc": "1913-08-25T19:39:50Z", "ms": -1778300409943.044 }, "end": { "local": "1913-08-25T23:53:50+03:26", "utc": "1913-08-25T20:27:50Z", "ms": -1778297529943.044 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:20 on Sun 24 Aug to 15:53 on Mon 25 Aug.", "fact": "1913-08-24T11:55:22Z → 1913-08-25T12:27:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:05–23:53 on the 24th, 23:05–23:53 on the 25th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25914 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Mashhad, 1913: Sunday 24 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": "1913-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-24", "confidence": "determinate" } ], "quote": "In Mashhad, Janmāṣṭamī 1913 falls on Sunday 24 August. Aṣṭamī runs from 15:20 on Sun 24 Aug to 15:53 on Mon 25 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7855, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1913-08-23T14:04:53+03:26", "utc": "1913-08-23T10:38:53Z", "ms": -1778505667235.416 }, "end": { "local": "1913-08-24T15:21:22+03:26", "utc": "1913-08-24T11:55:22Z", "ms": -1778414677675.9138 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-23T14:04:53+03:26", "utc": "1913-08-23T10:38:53Z", "ms": -1778505667235.416 }, "end": { "local": "1913-08-24T15:21:22+03:26", "utc": "1913-08-24T11:55:22Z", "ms": -1778414677675.9138 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-08-23", "window": { "start": { "local": "1913-08-23T11:05:58+03:26", "utc": "1913-08-23T07:39:58Z", "ms": -1778516402328.2422 }, "end": { "local": "1913-08-23T11:53:58+03:26", "utc": "1913-08-23T08:27:58Z", "ms": -1778513522328.2422 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-08-24", "window": { "start": { "local": "1913-08-24T11:05:42+03:26", "utc": "1913-08-24T07:39:42Z", "ms": -1778430017894.043 }, "end": { "local": "1913-08-24T11:53:42+03:26", "utc": "1913-08-24T08:27:42Z", "ms": -1778427137894.043 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:04 on Sat 23 Aug to 15:20 on Sun 24 Aug.", "fact": "1913-08-23T10:38:53Z → 1913-08-24T11:55:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 23rd, 11:05–11:53 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7855 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Mashhad, 1913: Sunday 24 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": "1913-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-24", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalā Saptamī 1913 falls on Sunday 24 August. Saptamī runs from 14:04 on Sat 23 Aug to 15:20 on Sun 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-08-28", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28091, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-08-27T14:33:45+03:26", "utc": "1913-08-27T11:07:45Z", "ms": -1778158334535.4556 }, "end": { "local": "1913-08-28T12:43:25+03:26", "utc": "1913-08-28T09:17:25Z", "ms": -1778078555355.6108 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-27T14:33:45+03:26", "utc": "1913-08-27T11:07:45Z", "ms": -1778158334535.4556 }, "end": { "local": "1913-08-28T12:43:25+03:26", "utc": "1913-08-28T09:17:25Z", "ms": -1778078555355.6108 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-08-27", "window": { "start": { "local": "1913-08-27T04:54:26+03:26", "utc": "1913-08-27T01:28:26Z", "ms": -1778193093885.717 }, "end": { "local": "1913-08-27T04:54:26+03:26", "utc": "1913-08-27T01:28:26Z", "ms": -1778193093885.717 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-08-28", "window": { "start": { "local": "1913-08-28T04:55:14+03:26", "utc": "1913-08-28T01:29:14Z", "ms": -1778106646153.2527 }, "end": { "local": "1913-08-28T04:55:14+03:26", "utc": "1913-08-28T01:29:14Z", "ms": -1778106646153.2527 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:33 on Wed 27 Aug to 12:42 on Thu 28 Aug.", "fact": "1913-08-27T11:07:45Z → 1913-08-28T09:17:25Z" }, { "step": "kaala", "text": "Sunrise is at 04:53 on the 27th and 04:54 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28091 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Mashhad, 1913: Thursday 28 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": "1913-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-28", "confidence": "determinate" } ], "quote": "In Mashhad, Ajā Ekādaśī 1913 falls on Thursday 28 August. Ekādaśī runs from 14:33 on Wed 27 Aug to 12:42 on Thu 28 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-08-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-08-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28060, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-08-29T10:12:56+03:26", "utc": "1913-08-29T06:46:56Z", "ms": -1778001184298.8047 }, "end": { "local": "1913-08-30T07:10:03+03:26", "utc": "1913-08-30T03:44:03Z", "ms": -1777925757100.4 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-29T10:12:56+03:26", "utc": "1913-08-29T06:46:56Z", "ms": -1778001184298.8047 }, "end": { "local": "1913-08-30T07:10:03+03:26", "utc": "1913-08-30T03:44:03Z", "ms": -1777925757100.4 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-08-29", "window": { "start": { "local": "1913-08-29T18:00:35+03:26", "utc": "1913-08-29T14:34:35Z", "ms": -1777973124618.8828 }, "end": { "local": "1913-08-29T19:28:05+03:26", "utc": "1913-08-29T16:02:05Z", "ms": -1777967874785.736 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "1913-08-30", "window": { "start": { "local": "1913-08-30T17:59:12+03:26", "utc": "1913-08-30T14:33:12Z", "ms": -1777886807831.112 }, "end": { "local": "1913-08-30T19:26:59+03:26", "utc": "1913-08-30T16:00:59Z", "ms": -1777881540563.573 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:12 on Fri 29 Aug to 07:09 on Sat 30 Aug.", "fact": "1913-08-29T06:46:56Z → 1913-08-30T03:44:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:27 on the 29th, 17:58–19:26 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 29th and 0 of 88 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28060 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Friday 29 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": "1913-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-29", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Friday 29 August. Trayodaśī runs from 10:12 on Fri 29 Aug to 07:09 on Sat 30 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29807, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-08-30T07:10:03+03:26", "utc": "1913-08-30T03:44:03Z", "ms": -1777925757100.4 }, "end": { "local": "1913-08-31T03:43:46+03:26", "utc": "1913-08-31T00:17:46Z", "ms": -1777851733507.2937 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-30T07:10:03+03:26", "utc": "1913-08-30T03:44:03Z", "ms": -1777925757100.4 }, "end": { "local": "1913-08-31T03:43:46+03:26", "utc": "1913-08-31T00:17:46Z", "ms": -1777851733507.2937 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-08-29", "window": { "start": { "local": "1913-08-29T18:00:35+03:26", "utc": "1913-08-29T14:34:35Z", "ms": -1777973124618.8828 }, "end": { "local": "1913-08-29T19:28:05+03:26", "utc": "1913-08-29T16:02:05Z", "ms": -1777967874785.736 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "1913-08-30", "window": { "start": { "local": "1913-08-30T17:59:12+03:26", "utc": "1913-08-30T14:33:12Z", "ms": -1777886807831.112 }, "end": { "local": "1913-08-30T19:26:59+03:26", "utc": "1913-08-30T16:00:59Z", "ms": -1777881540563.573 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:09 on Sat 30 Aug to 03:43 on Sun 31 Aug.", "fact": "1913-08-30T03:44:03Z → 1913-08-31T00:17:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:27 on the 29th, 17:58–19:26 on the 30th.", "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 87 minutes on the 29th and 88 of 88 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29807 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Mashhad, 1913: Saturday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-30", "confidence": "determinate" } ], "quote": "In Mashhad, Aghora Caturdaśī 1913 falls on Saturday 30 August. Caturdaśī runs from 07:09 on Sat 30 Aug to 03:43 on Sun 31 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/shivaratri?on=1913-08-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13882, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-08-30T07:10:03+03:26", "utc": "1913-08-30T03:44:03Z", "ms": -1777925757100.4 }, "end": { "local": "1913-08-31T03:43:46+03:26", "utc": "1913-08-31T00:17:46Z", "ms": -1777851733507.2937 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-08-30T07:10:03+03:26", "utc": "1913-08-30T03:44:03Z", "ms": -1777925757100.4 }, "end": { "local": "1913-08-31T03:43:46+03:26", "utc": "1913-08-31T00:17:46Z", "ms": -1777851733507.2937 } }, "kaala": "nishita", "days": [ { "local_date": "1913-08-29", "window": { "start": { "local": "1913-08-29T23:04:42+03:26", "utc": "1913-08-29T19:38:42Z", "ms": -1777954877744.5825 }, "end": { "local": "1913-08-29T23:52:42+03:26", "utc": "1913-08-29T20:26:42Z", "ms": -1777951997744.5825 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-08-30", "window": { "start": { "local": "1913-08-30T23:04:24+03:26", "utc": "1913-08-30T19:38:24Z", "ms": -1777868495577.8408 }, "end": { "local": "1913-08-30T23:52:24+03:26", "utc": "1913-08-30T20:26:24Z", "ms": -1777865615577.8408 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:09 on Sat 30 Aug to 03:43 on Sun 31 Aug.", "fact": "1913-08-30T03:44:03Z → 1913-08-31T00:17:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:04–23:52 on the 29th, 23:03–23:51 on the 30th.", "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 29th and 48 of 48 on the 30th.", "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 13882 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Saturday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-08-30", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Saturday 30 August. Caturdaśī runs from 07:09 on Sat 30 Aug to 03:43 on Sun 31 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30512, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1913-09-01T00:03:47+03:26", "utc": "1913-08-31T20:37:47Z", "ms": -1777778533379.6384 }, "end": { "local": "1913-09-01T20:19:56+03:26", "utc": "1913-09-01T16:53:56Z", "ms": -1777705564158.852 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-01T00:03:47+03:26", "utc": "1913-08-31T20:37:47Z", "ms": -1777778533379.6384 }, "end": { "local": "1913-09-01T20:19:56+03:26", "utc": "1913-09-01T16:53:56Z", "ms": -1777705564158.852 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-08-31", "window": { "start": { "local": "1913-08-31T11:03:43+03:26", "utc": "1913-08-31T07:37:43Z", "ms": -1777825337479.294 }, "end": { "local": "1913-08-31T11:51:43+03:26", "utc": "1913-08-31T08:25:43Z", "ms": -1777822457479.294 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-09-01", "window": { "start": { "local": "1913-09-01T11:03:24+03:26", "utc": "1913-09-01T07:37:24Z", "ms": -1777738955924.3013 }, "end": { "local": "1913-09-01T11:51:24+03:26", "utc": "1913-09-01T08:25:24Z", "ms": -1777736075924.3013 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:03 on Mon 1 Sep to 20:19 on Mon 1 Sep.", "fact": "1913-08-31T20:37:47Z → 1913-09-01T16:53:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 31st, 11:02–11:50 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30512 s" }, { "step": "ruling", "text": "Rudra Vrata, Mashhad, 1913: Monday 1 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": "1913-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-01", "confidence": "determinate" } ], "quote": "In Mashhad, Rudra Vrata 1913 falls on Monday 1 September. Pratipadā runs from 00:03 on Mon 1 Sep to 20:19 on Mon 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5303, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1913-09-02T16:41:58+03:26", "utc": "1913-09-02T13:15:58Z", "ms": -1777632242104.301 }, "end": { "local": "1913-09-03T13:19:09+03:26", "utc": "1913-09-03T09:53:09Z", "ms": -1777558010681.089 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-02T16:41:58+03:26", "utc": "1913-09-02T13:15:58Z", "ms": -1777632242104.301 }, "end": { "local": "1913-09-03T13:19:09+03:26", "utc": "1913-09-03T09:53:09Z", "ms": -1777558010681.089 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-09-02", "window": { "start": { "local": "1913-09-02T11:03:05+03:26", "utc": "1913-09-02T07:37:05Z", "ms": -1777652574674.3057 }, "end": { "local": "1913-09-02T11:51:05+03:26", "utc": "1913-09-02T08:25:05Z", "ms": -1777649694674.3057 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-09-03", "window": { "start": { "local": "1913-09-03T11:02:46+03:26", "utc": "1913-09-03T07:36:46Z", "ms": -1777566193717.2222 }, "end": { "local": "1913-09-03T11:50:46+03:26", "utc": "1913-09-03T08:24:46Z", "ms": -1777563313717.2222 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:41 on Tue 2 Sep to 13:18 on Wed 3 Sep.", "fact": "1913-09-02T13:15:58Z → 1913-09-03T09:53:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 2nd, 11:02–11:50 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5303 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Mashhad, 1913: Wednesday 3 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": "1913-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-03", "confidence": "determinate" } ], "quote": "In Mashhad, Haritālikā Vrata (Hartalika Teej) 1913 falls on Wednesday 3 September. Tṛtīyā runs from 16:41 on Tue 2 Sep to 13:18 on Wed 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2546, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-09-03T13:19:09+03:26", "utc": "1913-09-03T09:53:09Z", "ms": -1777558010681.089 }, "end": { "local": "1913-09-04T10:20:01+03:26", "utc": "1913-09-04T06:54:01Z", "ms": -1777482359289.8772 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-03T13:19:09+03:26", "utc": "1913-09-03T09:53:09Z", "ms": -1777558010681.089 }, "end": { "local": "1913-09-04T10:20:01+03:26", "utc": "1913-09-04T06:54:01Z", "ms": -1777482359289.8772 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-09-03", "window": { "start": { "local": "1913-09-03T11:02:46+03:26", "utc": "1913-09-03T07:36:46Z", "ms": -1777566193717.2222 }, "end": { "local": "1913-09-03T11:50:46+03:26", "utc": "1913-09-03T08:24:46Z", "ms": -1777563313717.2222 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-09-04", "window": { "start": { "local": "1913-09-04T11:02:27+03:26", "utc": "1913-09-04T07:36:27Z", "ms": -1777479813039.8655 }, "end": { "local": "1913-09-04T11:50:27+03:26", "utc": "1913-09-04T08:24:27Z", "ms": -1777476933039.8655 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:18 on Wed 3 Sep to 10:19 on Thu 4 Sep.", "fact": "1913-09-03T09:53:09Z → 1913-09-04T06:54:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 3rd, 11:01–11:49 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 2546 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Mashhad, 1913: Thursday 4 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": "1913-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-04", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Caturthī 1913 falls on Thursday 4 September. Caturthī runs from 13:18 on Wed 3 Sep to 10:19 on Thu 4 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2546, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1913-09-04T10:20:01+03:26", "utc": "1913-09-04T06:54:01Z", "ms": -1777482359289.8772 }, "end": { "local": "1913-09-05T07:51:56+03:26", "utc": "1913-09-05T04:25:56Z", "ms": -1777404844471.5942 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-04T10:20:01+03:26", "utc": "1913-09-04T06:54:01Z", "ms": -1777482359289.8772 }, "end": { "local": "1913-09-05T07:51:56+03:26", "utc": "1913-09-05T04:25:56Z", "ms": -1777404844471.5942 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-09-04", "window": { "start": { "local": "1913-09-04T11:02:27+03:26", "utc": "1913-09-04T07:36:27Z", "ms": -1777479813039.8655 }, "end": { "local": "1913-09-04T11:50:27+03:26", "utc": "1913-09-04T08:24:27Z", "ms": -1777476933039.8655 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-09-05", "window": { "start": { "local": "1913-09-05T11:02:07+03:26", "utc": "1913-09-05T07:36:07Z", "ms": -1777393432627.7305 }, "end": { "local": "1913-09-05T11:50:07+03:26", "utc": "1913-09-05T08:24:07Z", "ms": -1777390552627.7305 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:19 on Thu 4 Sep to 07:51 on Fri 5 Sep.", "fact": "1913-09-04T06:54:01Z → 1913-09-05T04:25:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 4th, 11:01–11:49 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 2546 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Mashhad, 1913: Thursday 4 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": "1913-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-04", "confidence": "determinate" } ], "quote": "In Mashhad, Ṛṣi Pañcamī 1913 falls on Thursday 4 September. Pañcamī runs from 10:19 on Thu 4 Sep to 07:51 on Fri 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11412, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1913-09-05T07:51:56+03:26", "utc": "1913-09-05T04:25:56Z", "ms": -1777404844471.5942 }, "end": { "local": "1913-09-06T06:00:46+03:26", "utc": "1913-09-06T02:34:46Z", "ms": -1777325113868.9456 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-05T07:51:56+03:26", "utc": "1913-09-05T04:25:56Z", "ms": -1777404844471.5942 }, "end": { "local": "1913-09-06T06:00:46+03:26", "utc": "1913-09-06T02:34:46Z", "ms": -1777325113868.9456 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-09-05", "window": { "start": { "local": "1913-09-05T11:02:07+03:26", "utc": "1913-09-05T07:36:07Z", "ms": -1777393432627.7305 }, "end": { "local": "1913-09-05T11:50:07+03:26", "utc": "1913-09-05T08:24:07Z", "ms": -1777390552627.7305 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-09-06", "window": { "start": { "local": "1913-09-06T11:01:48+03:26", "utc": "1913-09-06T07:35:48Z", "ms": -1777307052464.9668 }, "end": { "local": "1913-09-06T11:49:48+03:26", "utc": "1913-09-06T08:23:48Z", "ms": -1777304172464.9668 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:51 on Fri 5 Sep to 06:00 on Sat 6 Sep.", "fact": "1913-09-05T04:25:56Z → 1913-09-06T02:34:46Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11412 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Mashhad, 1913: Friday 5 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": "1913-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-05", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Bhādrapada) 1913 falls on Friday 5 September. Ṣaṣṭhī runs from 07:51 on Fri 5 Sep to 06:00 on Sat 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18061, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1913-09-06T06:00:46+03:26", "utc": "1913-09-06T02:34:46Z", "ms": -1777325113868.9456 }, "end": { "local": "1913-09-07T04:50:29+03:26", "utc": "1913-09-07T01:24:29Z", "ms": -1777242930702.3455 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-06T06:00:46+03:26", "utc": "1913-09-06T02:34:46Z", "ms": -1777325113868.9456 }, "end": { "local": "1913-09-07T04:50:29+03:26", "utc": "1913-09-07T01:24:29Z", "ms": -1777242930702.3455 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-09-06", "window": { "start": { "local": "1913-09-06T11:01:48+03:26", "utc": "1913-09-06T07:35:48Z", "ms": -1777307052464.9668 }, "end": { "local": "1913-09-06T11:49:48+03:26", "utc": "1913-09-06T08:23:48Z", "ms": -1777304172464.9668 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-09-07", "window": { "start": { "local": "1913-09-07T11:01:27+03:26", "utc": "1913-09-07T07:35:27Z", "ms": -1777220672534.4883 }, "end": { "local": "1913-09-07T11:49:27+03:26", "utc": "1913-09-07T08:23:27Z", "ms": -1777217792534.4883 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:00 on Sat 6 Sep to 04:49 on Sun 7 Sep.", "fact": "1913-09-06T02:34:46Z → 1913-09-07T01:24:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 6th, 11:00–11:48 on the 7th.", "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 6th and 0 of 48 on the 7th.", "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 18061 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Mashhad, 1913: Saturday 6 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": "1913-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-06", "confidence": "determinate" } ], "quote": "In Mashhad, Muktābharaṇa Vrata 1913 falls on Saturday 6 September. Saptamī runs from 06:00 on Sat 6 Sep to 04:49 on Sun 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22258, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1913-09-07T04:50:29+03:26", "utc": "1913-09-07T01:24:29Z", "ms": -1777242930702.3455 }, "end": { "local": "1913-09-08T04:22:46+03:26", "utc": "1913-09-08T00:56:46Z", "ms": -1777158193869.576 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-07T04:50:29+03:26", "utc": "1913-09-07T01:24:29Z", "ms": -1777242930702.3455 }, "end": { "local": "1913-09-08T04:22:46+03:26", "utc": "1913-09-08T00:56:46Z", "ms": -1777158193869.576 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-09-07", "window": { "start": { "local": "1913-09-07T11:01:27+03:26", "utc": "1913-09-07T07:35:27Z", "ms": -1777220672534.4883 }, "end": { "local": "1913-09-07T11:49:27+03:26", "utc": "1913-09-07T08:23:27Z", "ms": -1777217792534.4883 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-09-08", "window": { "start": { "local": "1913-09-08T11:01:07+03:26", "utc": "1913-09-08T07:35:07Z", "ms": -1777134292818.117 }, "end": { "local": "1913-09-08T11:49:07+03:26", "utc": "1913-09-08T08:23:07Z", "ms": -1777131412818.117 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:49 on Sun 7 Sep to 04:22 on Mon 8 Sep.", "fact": "1913-09-07T01:24:29Z → 1913-09-08T00:56:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 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": "Aṣṭamī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22258 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Mashhad, 1913: Sunday 7 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": "1913-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-07", "confidence": "determinate" } ], "quote": "In Mashhad, Rādhāṣṭamī 1913 falls on Sunday 7 September. Aṣṭamī runs from 04:49 on Sun 7 Sep to 04:22 on Mon 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-09-11", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1459, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-09-10T05:29:47+03:26", "utc": "1913-09-10T02:03:47Z", "ms": -1776981372550.5237 }, "end": { "local": "1913-09-11T06:56:35+03:26", "utc": "1913-09-11T03:30:35Z", "ms": -1776889765310.71 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-10T05:29:47+03:26", "utc": "1913-09-10T02:03:47Z", "ms": -1776981372550.5237 }, "end": { "local": "1913-09-11T06:56:35+03:26", "utc": "1913-09-11T03:30:35Z", "ms": -1776889765310.71 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-09-10", "window": { "start": { "local": "1913-09-10T05:05:28+03:26", "utc": "1913-09-10T01:39:28Z", "ms": -1776982831522.9038 }, "end": { "local": "1913-09-10T05:05:28+03:26", "utc": "1913-09-10T01:39:28Z", "ms": -1776982831522.9038 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-09-11", "window": { "start": { "local": "1913-09-11T05:06:15+03:26", "utc": "1913-09-11T01:40:15Z", "ms": -1776896384615.7046 }, "end": { "local": "1913-09-11T05:06:15+03:26", "utc": "1913-09-11T01:40:15Z", "ms": -1776896384615.7046 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:29 on Wed 10 Sep to 06:56 on Thu 11 Sep.", "fact": "1913-09-10T02:03:47Z → 1913-09-11T03:30:35Z" }, { "step": "kaala", "text": "Sunrise is at 05:04 on the 10th and 05:05 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1459 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Mashhad, 1913: Thursday 11 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": "1913-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-11", "confidence": "determinate" } ], "quote": "In Mashhad, Parivartanī Ekādaśī 1913 falls on Thursday 11 September. Ekādaśī runs from 05:29 on Wed 10 Sep to 06:56 on Thu 11 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-09-11", "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/1913/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7722, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1913-09-11T06:56:35+03:26", "utc": "1913-09-11T03:30:35Z", "ms": -1776889765310.71 }, "end": { "local": "1913-09-12T08:51:02+03:26", "utc": "1913-09-12T05:25:02Z", "ms": -1776796497976.2026 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-11T06:56:35+03:26", "utc": "1913-09-11T03:30:35Z", "ms": -1776889765310.71 }, "end": { "local": "1913-09-12T08:51:02+03:26", "utc": "1913-09-12T05:25:02Z", "ms": -1776796497976.2026 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-09-11", "window": { "start": { "local": "1913-09-11T11:00:05+03:26", "utc": "1913-09-11T07:34:05Z", "ms": -1776875154758.8086 }, "end": { "local": "1913-09-11T11:48:05+03:26", "utc": "1913-09-11T08:22:05Z", "ms": -1776872274758.8086 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-09-12", "window": { "start": { "local": "1913-09-12T10:59:44+03:26", "utc": "1913-09-12T07:33:44Z", "ms": -1776788775700.6519 }, "end": { "local": "1913-09-12T11:47:44+03:26", "utc": "1913-09-12T08:21:44Z", "ms": -1776785895700.6519 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:56 on Thu 11 Sep to 08:50 on Fri 12 Sep.", "fact": "1913-09-11T03:30:35Z → 1913-09-12T05:25:02Z" }, { "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": "Dvādaśī 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: unstated → only-day · margin 7722 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Mashhad, 1913: Thursday 11 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": "1913-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-11", "confidence": "determinate" } ], "quote": "In Mashhad, Vāmana Jayantī 1913 falls on Thursday 11 September. Dvādaśī runs from 06:56 on Thu 11 Sep to 08:50 on Fri 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/pradosha-vrata?on=1913-09-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23559, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-09-12T08:51:02+03:26", "utc": "1913-09-12T05:25:02Z", "ms": -1776796497976.2026 }, "end": { "local": "1913-09-13T11:06:19+03:26", "utc": "1913-09-13T07:40:19Z", "ms": -1776701981322.0044 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-12T08:51:02+03:26", "utc": "1913-09-12T05:25:02Z", "ms": -1776796497976.2026 }, "end": { "local": "1913-09-13T11:06:19+03:26", "utc": "1913-09-13T07:40:19Z", "ms": -1776701981322.0044 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-09-12", "window": { "start": { "local": "1913-09-12T17:40:26+03:26", "utc": "1913-09-12T14:14:26Z", "ms": -1776764733679.7913 }, "end": { "local": "1913-09-12T19:12:05+03:26", "utc": "1913-09-12T15:46:05Z", "ms": -1776759234632.7896 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1913-09-13", "window": { "start": { "local": "1913-09-13T17:38:57+03:26", "utc": "1913-09-13T14:12:57Z", "ms": -1776678422681.6758 }, "end": { "local": "1913-09-13T19:10:54+03:26", "utc": "1913-09-13T15:44:54Z", "ms": -1776672905513.347 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:50 on Fri 12 Sep to 11:05 on Sat 13 Sep.", "fact": "1913-09-12T05:25:02Z → 1913-09-13T07:40:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:11 on the 12th, 17:38–19:10 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 12th and 0 of 92 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23559 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Friday 12 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": "1913-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-12", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Friday 12 September. Trayodaśī runs from 08:50 on Fri 12 Sep to 11:05 on Sat 13 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12496, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-09-13T11:06:19+03:26", "utc": "1913-09-13T07:40:19Z", "ms": -1776701981322.0044 }, "end": { "local": "1913-09-14T13:35:26+03:26", "utc": "1913-09-14T10:09:26Z", "ms": -1776606634241.2014 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1913-09-13T11:06:19+03:26", "utc": "1913-09-13T07:40:19Z", "ms": -1776701981322.0044 }, "end": { "local": "1913-09-14T13:35:26+03:26", "utc": "1913-09-14T10:09:26Z", "ms": -1776606634241.2014 } }, "kaala": "udaya-3", "days": [ { "local_date": "1913-09-13", "window": { "start": { "local": "1913-09-13T05:07:49+03:26", "utc": "1913-09-13T01:41:49Z", "ms": -1776723490827.2776 }, "end": { "local": "1913-09-13T07:38:03+03:26", "utc": "1913-09-13T04:12:03Z", "ms": -1776714477198.1572 } }, "covered_min": 0, "window_min": 150, "qualifies": false }, { "local_date": "1913-09-14", "window": { "start": { "local": "1913-09-14T05:08:36+03:26", "utc": "1913-09-14T01:42:36Z", "ms": -1776637043919.2102 }, "end": { "local": "1913-09-14T07:38:22+03:26", "utc": "1913-09-14T04:12:22Z", "ms": -1776628057510.868 } }, "covered_min": 150, "window_min": 150, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:05 on Sat 13 Sep to 13:34 on Sun 14 Sep.", "fact": "1913-09-13T07:40:19Z → 1913-09-14T10:09:26Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:07–07:37 on the 13th, 05:08–07:37 on the 14th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 150 minutes on the 13th and 150 of 150 on the 14th.", "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 12496 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Mashhad, 1913: Sunday 14 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": "1913-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-14", "confidence": "determinate" } ], "quote": "In Mashhad, Ananta Caturdaśī 1913 falls on Sunday 14 September. Caturdaśī runs from 11:05 on Sat 13 Sep to 13:34 on Sun 14 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-09-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17450, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-09-18T23:33:40+03:26", "utc": "1913-09-18T20:07:40Z", "ms": -1776225139659.7917 }, "end": { "local": "1913-09-20T01:29:03+03:26", "utc": "1913-09-19T22:03:03Z", "ms": -1776131816698.1633 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-09-18T23:33:40+03:26", "utc": "1913-09-18T20:07:40Z", "ms": -1776225139659.7917 }, "end": { "local": "1913-09-20T01:29:03+03:26", "utc": "1913-09-19T22:03:03Z", "ms": -1776131816698.1633 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-09-18", "window": { "start": { "local": "1913-09-18T18:42:50+03:26", "utc": "1913-09-18T15:16:50Z", "ms": -1776242589915.6755 }, "end": { "local": "1913-09-18T18:42:50+03:26", "utc": "1913-09-18T15:16:50Z", "ms": -1776242589915.6755 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-09-19", "window": { "start": { "local": "1913-09-19T19:09:34+03:26", "utc": "1913-09-19T15:43:34Z", "ms": -1776154586138.076 }, "end": { "local": "1913-09-19T19:09:34+03:26", "utc": "1913-09-19T15:43:34Z", "ms": -1776154586138.076 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:33 on Thu 18 Sep to 01:28 on Sat 20 Sep.", "fact": "1913-09-18T20:07:40Z → 1913-09-19T22:03:03Z" }, { "step": "kaala", "text": "Moonrise is at 18:42 on the 18th and 19:09 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.", "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 17450 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Friday 19 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": "1913-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-19", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Friday 19 September. Caturthī runs from 23:33 on Thu 18 Sep to 01:28 on Sat 20 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-09-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26136, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1913-09-21T02:56:39+03:26", "utc": "1913-09-20T23:30:39Z", "ms": -1776040161053.8542 }, "end": { "local": "1913-09-22T03:50:05+03:26", "utc": "1913-09-22T00:24:05Z", "ms": -1775950554887.4287 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-09-21T02:56:39+03:26", "utc": "1913-09-20T23:30:39Z", "ms": -1776040161053.8542 }, "end": { "local": "1913-09-22T03:50:05+03:26", "utc": "1913-09-22T00:24:05Z", "ms": -1775950554887.4287 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-09-20", "window": { "start": { "local": "1913-09-20T19:41:03+03:26", "utc": "1913-09-20T16:15:03Z", "ms": -1776066296672.926 }, "end": { "local": "1913-09-20T19:41:03+03:26", "utc": "1913-09-20T16:15:03Z", "ms": -1776066296672.926 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-09-21", "window": { "start": { "local": "1913-09-21T20:19:14+03:26", "utc": "1913-09-21T16:53:14Z", "ms": -1775977606401.6982 }, "end": { "local": "1913-09-21T20:19:14+03:26", "utc": "1913-09-21T16:53:14Z", "ms": -1775977606401.6982 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:56 on Sun 21 Sep to 03:49 on Mon 22 Sep.", "fact": "1913-09-20T23:30:39Z → 1913-09-22T00:24:05Z" }, { "step": "kaala", "text": "Moonrise is at 19:40 on the 20th and 20:18 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26136 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Mashhad, 1913: Sunday 21 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": "1913-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-21", "confidence": "determinate" } ], "quote": "In Mashhad, Candra Ṣaṣṭhī 1913 falls on Sunday 21 September. Ṣaṣṭhī runs from 02:56 on Sun 21 Sep to 03:49 on Mon 22 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31043, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1913-09-23T04:04:21+03:26", "utc": "1913-09-23T00:38:21Z", "ms": -1775863299112.7798 }, "end": { "local": "1913-09-24T03:36:24+03:26", "utc": "1913-09-24T00:10:24Z", "ms": -1775778575690.9297 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-09-23T04:04:21+03:26", "utc": "1913-09-23T00:38:21Z", "ms": -1775863299112.7798 }, "end": { "local": "1913-09-24T03:36:24+03:26", "utc": "1913-09-24T00:10:24Z", "ms": -1775778575690.9297 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-09-22", "window": { "start": { "local": "1913-09-22T17:25:31+03:26", "utc": "1913-09-22T13:59:31Z", "ms": -1775901628820.607 }, "end": { "local": "1913-09-22T19:00:13+03:26", "utc": "1913-09-22T15:34:13Z", "ms": -1775895947466.2656 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1913-09-23", "window": { "start": { "local": "1913-09-23T17:24:02+03:26", "utc": "1913-09-23T13:58:02Z", "ms": -1775815318409.83 }, "end": { "local": "1913-09-23T18:59:01+03:26", "utc": "1913-09-23T15:33:01Z", "ms": -1775809618728.0596 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:03 on Tue 23 Sep to 03:35 on Wed 24 Sep.", "fact": "1913-09-23T00:38:21Z → 1913-09-24T00:10:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–18:59 on the 22nd, 17:23–18:58 on the 23rd.", "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 95 minutes on the 22nd and 95 of 95 on the 23rd.", "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 31043 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Mashhad, 1913: Tuesday 23 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": "1913-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-23", "confidence": "determinate" } ], "quote": "In Mashhad, Jitāṣṭamī (Jitiya) 1913 falls on Tuesday 23 September. Aṣṭamī runs from 04:03 on Tue 23 Sep to 03:35 on Wed 24 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20040, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1913-09-23T04:04:21+03:26", "utc": "1913-09-23T00:38:21Z", "ms": -1775863299112.7798 }, "end": { "local": "1913-09-24T03:36:24+03:26", "utc": "1913-09-24T00:10:24Z", "ms": -1775778575690.9297 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-09-23T04:04:21+03:26", "utc": "1913-09-23T00:38:21Z", "ms": -1775863299112.7798 }, "end": { "local": "1913-09-24T03:36:24+03:26", "utc": "1913-09-24T00:10:24Z", "ms": -1775778575690.9297 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-09-22", "window": { "start": { "local": "1913-09-22T21:05:58+03:26", "utc": "1913-09-22T17:39:58Z", "ms": -1775888401583.882 }, "end": { "local": "1913-09-22T21:05:58+03:26", "utc": "1913-09-22T17:39:58Z", "ms": -1775888401583.882 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-09-23", "window": { "start": { "local": "1913-09-23T22:02:24+03:26", "utc": "1913-09-23T18:36:24Z", "ms": -1775798615877.2434 }, "end": { "local": "1913-09-23T22:02:24+03:26", "utc": "1913-09-23T18:36:24Z", "ms": -1775798615877.2434 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:03 on Tue 23 Sep to 03:35 on Wed 24 Sep.", "fact": "1913-09-23T00:38:21Z → 1913-09-24T00:10:24Z" }, { "step": "kaala", "text": "Moonrise is at 21:05 on the 22nd and 22:01 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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: unstated → only-day · margin 20040 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Mashhad, 1913: Tuesday 23 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": "1913-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-23", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālakṣmī Vrata Samāpana 1913 falls on Tuesday 23 September. Aṣṭamī runs from 04:03 on Tue 23 Sep to 03:35 on Wed 24 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-09-26", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17058, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-09-26T00:33:47+03:26", "utc": "1913-09-25T21:07:47Z", "ms": -1775616732631.816 }, "end": { "local": "1913-09-26T22:05:05+03:26", "utc": "1913-09-26T18:39:05Z", "ms": -1775539255478.4846 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-09-26T00:33:47+03:26", "utc": "1913-09-25T21:07:47Z", "ms": -1775616732631.816 }, "end": { "local": "1913-09-26T22:05:05+03:26", "utc": "1913-09-26T18:39:05Z", "ms": -1775539255478.4846 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-09-26", "window": { "start": { "local": "1913-09-26T05:18:05+03:26", "utc": "1913-09-26T01:52:05Z", "ms": -1775599674533.51 }, "end": { "local": "1913-09-26T05:18:05+03:26", "utc": "1913-09-26T01:52:05Z", "ms": -1775599674533.51 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-09-27", "window": { "start": { "local": "1913-09-27T05:18:54+03:26", "utc": "1913-09-27T01:52:54Z", "ms": -1775513226116.5652 }, "end": { "local": "1913-09-27T05:18:54+03:26", "utc": "1913-09-27T01:52:54Z", "ms": -1775513226116.5652 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:33 on Fri 26 Sep to 22:04 on Fri 26 Sep.", "fact": "1913-09-25T21:07:47Z → 1913-09-26T18:39:05Z" }, { "step": "kaala", "text": "Sunrise is at 05:17 on the 26th and 05:18 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17058 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Mashhad, 1913: Friday 26 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": "1913-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-26", "confidence": "determinate" } ], "quote": "In Mashhad, Indirā Ekādaśī 1913 falls on Friday 26 September. Ekādaśī runs from 00:33 on Fri 26 Sep to 22:04 on Fri 26 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-09-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-09-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-27", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 674, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-09-27T19:05:31+03:26", "utc": "1913-09-27T15:39:31Z", "ms": -1775463628556.8882 }, "end": { "local": "1913-09-28T15:42:42+03:26", "utc": "1913-09-28T12:16:42Z", "ms": -1775389398321.6248 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-09-27T19:05:31+03:26", "utc": "1913-09-27T15:39:31Z", "ms": -1775463628556.8882 }, "end": { "local": "1913-09-28T15:42:42+03:26", "utc": "1913-09-28T12:16:42Z", "ms": -1775389398321.6248 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-09-27", "window": { "start": { "local": "1913-09-27T17:18:05+03:26", "utc": "1913-09-27T13:52:05Z", "ms": -1775470075407.7993 }, "end": { "local": "1913-09-27T18:54:18+03:26", "utc": "1913-09-27T15:28:18Z", "ms": -1775464302353.167 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1913-09-28", "window": { "start": { "local": "1913-09-28T17:16:36+03:26", "utc": "1913-09-28T13:50:36Z", "ms": -1775383764172.988 }, "end": { "local": "1913-09-28T18:53:07+03:26", "utc": "1913-09-28T15:27:07Z", "ms": -1775377972772.742 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:05 on Sat 27 Sep to 15:42 on Sun 28 Sep.", "fact": "1913-09-27T15:39:31Z → 1913-09-28T12:16:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:17–18:53 on the 27th, 17:16–18:52 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 27th and 0 of 97 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 674 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Saturday 27 September.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-09-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-27", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Saturday 27 September. Trayodaśī runs from 19:05 on Sat 27 Sep to 15:42 on Sun 28 Sep, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-09-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-09-28", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25912, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-09-28T15:42:42+03:26", "utc": "1913-09-28T12:16:42Z", "ms": -1775389398321.6248 }, "end": { "local": "1913-09-29T12:05:14+03:26", "utc": "1913-09-29T08:39:14Z", "ms": -1775316045929.02 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-09-28T15:42:42+03:26", "utc": "1913-09-28T12:16:42Z", "ms": -1775389398321.6248 }, "end": { "local": "1913-09-29T12:05:14+03:26", "utc": "1913-09-29T08:39:14Z", "ms": -1775316045929.02 } }, "kaala": "nishita", "days": [ { "local_date": "1913-09-28", "window": { "start": { "local": "1913-09-28T22:54:34+03:26", "utc": "1913-09-28T19:28:34Z", "ms": -1775363486422.0652 }, "end": { "local": "1913-09-28T23:42:34+03:26", "utc": "1913-09-28T20:16:34Z", "ms": -1775360606422.0652 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-09-29", "window": { "start": { "local": "1913-09-29T22:54:14+03:26", "utc": "1913-09-29T19:28:14Z", "ms": -1775277106159.5972 }, "end": { "local": "1913-09-29T23:42:14+03:26", "utc": "1913-09-29T20:16:14Z", "ms": -1775274226159.5972 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:42 on Sun 28 Sep to 12:04 on Mon 29 Sep.", "fact": "1913-09-28T12:16:42Z → 1913-09-29T08:39:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:54–23:42 on the 28th, 22:53–23:41 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25912 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Sunday 28 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": "1913-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-28", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Sunday 28 September. Caturdaśī runs from 15:42 on Sun 28 Sep to 12:04 on Mon 29 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1443, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1913-09-29T12:05:14+03:26", "utc": "1913-09-29T08:39:14Z", "ms": -1775316045929.02 }, "end": { "local": "1913-09-30T08:22:31+03:26", "utc": "1913-09-30T04:56:31Z", "ms": -1775243008792.242 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-09-29T12:05:14+03:26", "utc": "1913-09-29T08:39:14Z", "ms": -1775316045929.02 }, "end": { "local": "1913-09-30T08:22:31+03:26", "utc": "1913-09-30T04:56:31Z", "ms": -1775243008792.242 } }, "kaala": "aparahna", "days": [ { "local_date": "1913-09-29", "window": { "start": { "local": "1913-09-29T12:29:17+03:26", "utc": "1913-09-29T09:03:17Z", "ms": -1775314603081.9773 }, "end": { "local": "1913-09-29T14:52:12+03:26", "utc": "1913-09-29T11:26:12Z", "ms": -1775306027885.5889 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "1913-09-30", "window": { "start": { "local": "1913-09-30T12:28:44+03:26", "utc": "1913-09-30T09:02:44Z", "ms": -1775228236410.077 }, "end": { "local": "1913-09-30T14:51:11+03:26", "utc": "1913-09-30T11:25:11Z", "ms": -1775219688670.1047 } }, "covered_min": 0, "window_min": 142, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 12:04 on Mon 29 Sep to 08:22 on Tue 30 Sep.", "fact": "1913-09-29T08:39:14Z → 1913-09-30T04:56:31Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:28–14:51 on the 29th, 12:28–14:50 on the 30th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 143 of 143 minutes on the 29th and 0 of 142 on the 30th.", "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 1443 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Mashhad, 1913: Monday 29 September.", "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": "1913-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-29", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālaya Amāvāsyā 1913 falls on Monday 29 September. Amāvasyā runs from 12:04 on Mon 29 Sep to 08:22 on Tue 30 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9059, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1913-09-30T08:22:31+03:26", "utc": "1913-09-30T04:56:31Z", "ms": -1775243008792.242 }, "end": { "local": "1913-10-01T04:44:21+03:26", "utc": "1913-10-01T01:18:21Z", "ms": -1775169699359.3784 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-09-30T08:22:31+03:26", "utc": "1913-09-30T04:56:31Z", "ms": -1775243008792.242 }, "end": { "local": "1913-10-01T04:44:21+03:26", "utc": "1913-10-01T01:18:21Z", "ms": -1775169699359.3784 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-09-30", "window": { "start": { "local": "1913-09-30T10:53:30+03:26", "utc": "1913-09-30T07:27:30Z", "ms": -1775233950280.063 }, "end": { "local": "1913-09-30T11:41:30+03:26", "utc": "1913-09-30T08:15:30Z", "ms": -1775231070280.063 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-10-01", "window": { "start": { "local": "1913-10-01T10:53:10+03:26", "utc": "1913-10-01T07:27:10Z", "ms": -1775147569619.5835 }, "end": { "local": "1913-10-01T11:41:10+03:26", "utc": "1913-10-01T08:15:10Z", "ms": -1775144689619.5835 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:22 on Tue 30 Sep to 04:43 on Wed 1 Oct.", "fact": "1913-09-30T04:56:31Z → 1913-10-01T01:18:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 30th, 10:52–11:40 on the 1st.", "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 30th and 0 of 48 on the 1st.", "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 9059 s" }, { "step": "ruling", "text": "Navarātrārambha, Mashhad, 1913: Tuesday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-09-30", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Navratri) 1913 falls on Tuesday 30 September. Pratipadā runs from 08:22 on Tue 30 Sep to 04:43 on Wed 1 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vinayaka-chaturthi?on=1913-10-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29632, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-10-02T22:20:59+03:26", "utc": "1913-10-02T18:54:59Z", "ms": -1775019901231.5742 }, "end": { "local": "1913-10-03T19:54:25+03:26", "utc": "1913-10-03T16:28:25Z", "ms": -1774942295082.0684 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-10-02T22:20:59+03:26", "utc": "1913-10-02T18:54:59Z", "ms": -1775019901231.5742 }, "end": { "local": "1913-10-03T19:54:25+03:26", "utc": "1913-10-03T16:28:25Z", "ms": -1774942295082.0684 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-10-02", "window": { "start": { "local": "1913-10-02T10:52:51+03:26", "utc": "1913-10-02T07:26:51Z", "ms": -1775061188683.0894 }, "end": { "local": "1913-10-02T11:40:51+03:26", "utc": "1913-10-02T08:14:51Z", "ms": -1775058308683.0894 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-10-03", "window": { "start": { "local": "1913-10-03T10:52:33+03:26", "utc": "1913-10-03T07:26:33Z", "ms": -1774974807454.474 }, "end": { "local": "1913-10-03T11:40:33+03:26", "utc": "1913-10-03T08:14:33Z", "ms": -1774971927454.474 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:20 on Thu 2 Oct to 19:53 on Fri 3 Oct.", "fact": "1913-10-02T18:54:59Z → 1913-10-03T16:28:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 2nd, 10:52–11:40 on the 3rd.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29632 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Friday 3 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": "1913-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-03", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Friday 3 October. Caturthī runs from 22:20 on Thu 2 Oct to 19:53 on Fri 3 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-10-03", "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/1913/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38745, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1913-10-05T17:09:04+03:26", "utc": "1913-10-05T13:43:04Z", "ms": -1774779416024.6782 }, "end": { "local": "1913-10-06T16:58:39+03:26", "utc": "1913-10-06T13:32:39Z", "ms": -1774693641051.2163 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-10-05T17:09:04+03:26", "utc": "1913-10-05T13:43:04Z", "ms": -1774779416024.6782 }, "end": { "local": "1913-10-06T16:58:39+03:26", "utc": "1913-10-06T13:32:39Z", "ms": -1774693641051.2163 } }, "kaala": "udaya-1", "days": [ { "local_date": "1913-10-05", "window": { "start": { "local": "1913-10-05T05:25:29+03:26", "utc": "1913-10-05T01:59:29Z", "ms": -1774821631030.7957 }, "end": { "local": "1913-10-05T06:12:13+03:26", "utc": "1913-10-05T02:46:13Z", "ms": -1774818827433.6958 } }, "covered_min": 0, "window_min": 47, "qualifies": false }, { "local_date": "1913-10-06", "window": { "start": { "local": "1913-10-06T05:26:19+03:26", "utc": "1913-10-06T02:00:19Z", "ms": -1774735180591.4788 }, "end": { "local": "1913-10-06T06:12:54+03:26", "utc": "1913-10-06T02:46:54Z", "ms": -1774732386091.6672 } }, "covered_min": 47, "window_min": 47, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:08 on Sun 5 Oct to 16:58 on Mon 6 Oct.", "fact": "1913-10-05T13:43:04Z → 1913-10-06T13:32:39Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:24–06:11 on the 5th, 05:25–06:12 on the 6th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 47 minutes on the 5th and 47 of 47 on the 6th.", "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 38745 s" }, { "step": "ruling", "text": "Durgā Saptamī, Mashhad, 1913: Monday 6 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": "1913-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-06", "confidence": "determinate" } ], "quote": "In Mashhad, Durgā Saptamī 1913 falls on Monday 6 October. Saptamī runs from 17:08 on Sun 5 Oct to 16:58 on Mon 6 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19141, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1913-10-06T16:58:39+03:26", "utc": "1913-10-06T13:32:39Z", "ms": -1774693641051.2163 }, "end": { "local": "1913-10-07T17:36:34+03:26", "utc": "1913-10-07T14:10:34Z", "ms": -1774604965713.0173 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-10-06T16:58:39+03:26", "utc": "1913-10-06T13:32:39Z", "ms": -1774693641051.2163 }, "end": { "local": "1913-10-07T17:36:34+03:26", "utc": "1913-10-07T14:10:34Z", "ms": -1774604965713.0173 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-10-06", "window": { "start": { "local": "1913-10-06T10:51:38+03:26", "utc": "1913-10-06T07:25:38Z", "ms": -1774715661842.8928 }, "end": { "local": "1913-10-06T11:39:38+03:26", "utc": "1913-10-06T08:13:38Z", "ms": -1774712781842.8928 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-10-07", "window": { "start": { "local": "1913-10-07T10:51:21+03:26", "utc": "1913-10-07T07:25:21Z", "ms": -1774629279268.566 }, "end": { "local": "1913-10-07T11:39:21+03:26", "utc": "1913-10-07T08:13:21Z", "ms": -1774626399268.566 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:58 on Mon 6 Oct to 17:36 on Tue 7 Oct.", "fact": "1913-10-06T13:32:39Z → 1913-10-07T14:10:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 6th, 10:50–11:38 on the 7th.", "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 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19141 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Mashhad, 1913: Tuesday 7 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": "1913-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-07", "confidence": "determinate" } ], "quote": "In Mashhad, Mahāṣṭamī (Durga Ashtami) 1913 falls on Tuesday 7 October. Aṣṭamī runs from 16:58 on Mon 6 Oct to 17:36 on Tue 7 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21434, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1913-10-07T17:36:34+03:26", "utc": "1913-10-07T14:10:34Z", "ms": -1774604965713.0173 }, "end": { "local": "1913-10-08T18:58:18+03:26", "utc": "1913-10-08T15:32:18Z", "ms": -1774513661978.45 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-10-07T17:36:34+03:26", "utc": "1913-10-07T14:10:34Z", "ms": -1774604965713.0173 }, "end": { "local": "1913-10-08T18:58:18+03:26", "utc": "1913-10-08T15:32:18Z", "ms": -1774513661978.45 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-10-07", "window": { "start": { "local": "1913-10-07T10:51:21+03:26", "utc": "1913-10-07T07:25:21Z", "ms": -1774629279268.566 }, "end": { "local": "1913-10-07T11:39:21+03:26", "utc": "1913-10-07T08:13:21Z", "ms": -1774626399268.566 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-10-08", "window": { "start": { "local": "1913-10-08T10:51:04+03:26", "utc": "1913-10-08T07:25:04Z", "ms": -1774542896309.6284 }, "end": { "local": "1913-10-08T11:39:04+03:26", "utc": "1913-10-08T08:13:04Z", "ms": -1774540016309.6284 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 17:36 on Tue 7 Oct to 18:57 on Wed 8 Oct.", "fact": "1913-10-07T14:10:34Z → 1913-10-08T15:32:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:50–11:38 on the 7th, 10:50–11:38 on the 8th.", "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 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: purvaviddha → only-day · margin 21434 s" }, { "step": "ruling", "text": "Mahānavamī, Mashhad, 1913: Wednesday 8 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": "1913-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-08", "confidence": "determinate" } ], "quote": "In Mashhad, Mahānavamī 1913 falls on Wednesday 8 October. Navamī runs from 17:36 on Tue 7 Oct to 18:57 on Wed 8 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6972, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1913-10-08T18:58:18+03:26", "utc": "1913-10-08T15:32:18Z", "ms": -1774513661978.45 }, "end": { "local": "1913-10-09T20:55:52+03:26", "utc": "1913-10-09T17:29:52Z", "ms": -1774420207572.1206 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1913-10-08T18:58:18+03:26", "utc": "1913-10-08T15:32:18Z", "ms": -1774513661978.45 }, "end": { "local": "1913-10-09T20:55:52+03:26", "utc": "1913-10-09T17:29:52Z", "ms": -1774420207572.1206 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1913-10-08T18:47:26+03:26", "utc": "1913-10-08T15:21:26Z", "ms": -1774514313722.882 }, "end": { "local": "1913-10-09T21:16:37+03:26", "utc": "1913-10-09T17:50:37Z", "ms": -1774418963095.0938 } } }, "kaala": "daytime", "days": [ { "local_date": "1913-10-08", "window": { "start": { "local": "1913-10-08T05:28:01+03:26", "utc": "1913-10-08T02:02:01Z", "ms": -1774562278932.299 }, "end": { "local": "1913-10-08T17:02:06+03:26", "utc": "1913-10-08T13:36:06Z", "ms": -1774520633686.958 } }, "covered_min": 0, "window_min": 694, "qualifies": false }, { "local_date": "1913-10-09", "window": { "start": { "local": "1913-10-09T05:28:52+03:26", "utc": "1913-10-09T02:02:52Z", "ms": -1774475827693.673 }, "end": { "local": "1913-10-09T17:00:42+03:26", "utc": "1913-10-09T13:34:42Z", "ms": -1774434318197.7185 } }, "covered_min": 692, "window_min": 692, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 18:57 on Wed 8 Oct to 20:55 on Thu 9 Oct, and Śravaṇa from 18:46 on Wed 8 Oct to 21:16 on Thu 9 Oct. They are together from 18:57 on Wed 8 Oct to 20:55 on Thu 9 Oct.", "fact": "1913-10-08T15:32:18Z → 1913-10-09T17:29:52Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:27–17:01 on the 8th, 05:28–17:00 on the 9th.", "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 694 minutes on the 8th and 692 of 692 on the 9th.", "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 6972 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Mashhad, 1913: Thursday 9 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": "1913-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-09", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Daśamī (Dussehra) 1913 falls on Thursday 9 October. Daśamī runs from 18:57 on Wed 8 Oct to 20:55 on Thu 9 Oct and is with Śravaṇa in the day time that day, for 692 minutes.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-10-10", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22301, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-10-09T20:55:52+03:26", "utc": "1913-10-09T17:29:52Z", "ms": -1774420207572.1206 }, "end": { "local": "1913-10-10T23:18:55+03:26", "utc": "1913-10-10T19:52:55Z", "ms": -1774325225136.0125 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-10-09T20:55:52+03:26", "utc": "1913-10-09T17:29:52Z", "ms": -1774420207572.1206 }, "end": { "local": "1913-10-10T23:18:55+03:26", "utc": "1913-10-10T19:52:55Z", "ms": -1774325225136.0125 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-10-10", "window": { "start": { "local": "1913-10-10T05:29:44+03:26", "utc": "1913-10-10T02:03:44Z", "ms": -1774389376169.1577 }, "end": { "local": "1913-10-10T05:29:44+03:26", "utc": "1913-10-10T02:03:44Z", "ms": -1774389376169.1577 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-10-11", "window": { "start": { "local": "1913-10-11T05:30:36+03:26", "utc": "1913-10-11T02:04:36Z", "ms": -1774302924348.6013 }, "end": { "local": "1913-10-11T05:30:36+03:26", "utc": "1913-10-11T02:04:36Z", "ms": -1774302924348.6013 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:55 on Thu 9 Oct to 23:18 on Fri 10 Oct.", "fact": "1913-10-09T17:29:52Z → 1913-10-10T19:52:55Z" }, { "step": "kaala", "text": "Sunrise is at 05:29 on the 10th and 05:30 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22301 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Mashhad, 1913: Friday 10 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": "1913-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-10", "confidence": "determinate" } ], "quote": "In Mashhad, Pāśāṅkuśā Ekādaśī 1913 falls on Friday 10 October. Ekādaśī runs from 20:55 on Thu 9 Oct to 23:18 on Fri 10 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-10-10", "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/1913/pradosha-vrata?on=1913-10-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26262, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-10-12T01:56:05+03:26", "utc": "1913-10-11T22:30:05Z", "ms": -1774229395179.2505 }, "end": { "local": "1913-10-13T04:36:32+03:26", "utc": "1913-10-13T01:10:32Z", "ms": -1774133367924.639 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1913-10-12T01:56:05+03:26", "utc": "1913-10-11T22:30:05Z", "ms": -1774229395179.2505 }, "end": { "local": "1913-10-13T04:36:32+03:26", "utc": "1913-10-13T01:10:32Z", "ms": -1774133367924.639 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-10-11", "window": { "start": { "local": "1913-10-11T16:57:55+03:26", "utc": "1913-10-11T13:31:55Z", "ms": -1774261685491.041 }, "end": { "local": "1913-10-11T18:38:23+03:26", "utc": "1913-10-11T15:12:23Z", "ms": -1774255657055.142 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1913-10-12", "window": { "start": { "local": "1913-10-12T16:56:32+03:26", "utc": "1913-10-12T13:30:32Z", "ms": -1774175368209.9736 }, "end": { "local": "1913-10-12T18:37:18+03:26", "utc": "1913-10-12T15:11:18Z", "ms": -1774169321752.4573 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:55 on Sun 12 Oct to 04:36 on Mon 13 Oct.", "fact": "1913-10-11T22:30:05Z → 1913-10-13T01:10:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:57–18:37 on the 11th, 16:56–18:36 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 11th and 101 of 101 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26262 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Sunday 12 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": "1913-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-12", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Sunday 12 October. Trayodaśī runs from 01:55 on Sun 12 Oct to 04:36 on Mon 13 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-10-12", "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/1913/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13253, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-10-18T14:32:51+03:26", "utc": "1913-10-18T11:06:51Z", "ms": -1773665588910.5825 }, "end": { "local": "1913-10-19T15:22:27+03:26", "utc": "1913-10-19T11:56:27Z", "ms": -1773576213319.8755 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-18T14:32:51+03:26", "utc": "1913-10-18T11:06:51Z", "ms": -1773665588910.5825 }, "end": { "local": "1913-10-19T15:22:27+03:26", "utc": "1913-10-19T11:56:27Z", "ms": -1773576213319.8755 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-10-18", "window": { "start": { "local": "1913-10-18T18:19:32+03:26", "utc": "1913-10-18T14:53:32Z", "ms": -1773651987849.6946 }, "end": { "local": "1913-10-18T18:19:32+03:26", "utc": "1913-10-18T14:53:32Z", "ms": -1773651987849.6946 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-10-19", "window": { "start": { "local": "1913-10-19T19:03:20+03:26", "utc": "1913-10-19T15:37:20Z", "ms": -1773562960283.9248 }, "end": { "local": "1913-10-19T19:03:20+03:26", "utc": "1913-10-19T15:37:20Z", "ms": -1773562960283.9248 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:32 on Sat 18 Oct to 15:21 on Sun 19 Oct.", "fact": "1913-10-18T11:06:51Z → 1913-10-19T11:56:27Z" }, { "step": "kaala", "text": "Moonrise is at 18:19 on the 18th and 19:02 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "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 13253 s" }, { "step": "ruling", "text": "Karaka Caturthī, Mashhad, 1913: Saturday 18 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": "1913-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-18", "confidence": "determinate" } ], "quote": "In Mashhad, Karaka Caturthī (Karwa Chauth) 1913 falls on Saturday 18 October. Caturthī runs from 14:32 on Sat 18 Oct to 15:21 on Sun 19 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-10-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13253, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-10-18T14:32:51+03:26", "utc": "1913-10-18T11:06:51Z", "ms": -1773665588910.5825 }, "end": { "local": "1913-10-19T15:22:27+03:26", "utc": "1913-10-19T11:56:27Z", "ms": -1773576213319.8755 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-18T14:32:51+03:26", "utc": "1913-10-18T11:06:51Z", "ms": -1773665588910.5825 }, "end": { "local": "1913-10-19T15:22:27+03:26", "utc": "1913-10-19T11:56:27Z", "ms": -1773576213319.8755 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-10-18", "window": { "start": { "local": "1913-10-18T18:19:32+03:26", "utc": "1913-10-18T14:53:32Z", "ms": -1773651987849.6946 }, "end": { "local": "1913-10-18T18:19:32+03:26", "utc": "1913-10-18T14:53:32Z", "ms": -1773651987849.6946 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-10-19", "window": { "start": { "local": "1913-10-19T19:03:20+03:26", "utc": "1913-10-19T15:37:20Z", "ms": -1773562960283.9248 }, "end": { "local": "1913-10-19T19:03:20+03:26", "utc": "1913-10-19T15:37:20Z", "ms": -1773562960283.9248 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:32 on Sat 18 Oct to 15:21 on Sun 19 Oct.", "fact": "1913-10-18T11:06:51Z → 1913-10-19T11:56:27Z" }, { "step": "kaala", "text": "Moonrise is at 18:19 on the 18th and 19:02 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "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 13253 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Saturday 18 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": "1913-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-18", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Saturday 18 October. Caturthī runs from 14:32 on Sat 18 Oct to 15:21 on Sun 19 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-10-18", "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/1913/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26000, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1913-10-22T14:51:45+03:26", "utc": "1913-10-22T11:25:45Z", "ms": -1773318854736.0474 }, "end": { "local": "1913-10-23T13:37:32+03:26", "utc": "1913-10-23T10:11:32Z", "ms": -1773236908158.529 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-22T14:51:45+03:26", "utc": "1913-10-22T11:25:45Z", "ms": -1773318854736.0474 }, "end": { "local": "1913-10-23T13:37:32+03:26", "utc": "1913-10-23T10:11:32Z", "ms": -1773236908158.529 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-10-22", "window": { "start": { "local": "1913-10-22T22:05:06+03:26", "utc": "1913-10-22T18:39:06Z", "ms": -1773292854368.081 }, "end": { "local": "1913-10-22T22:05:06+03:26", "utc": "1913-10-22T18:39:06Z", "ms": -1773292854368.081 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-10-23", "window": { "start": { "local": "1913-10-23T23:16:27+03:26", "utc": "1913-10-23T19:50:27Z", "ms": -1773202172545.2524 }, "end": { "local": "1913-10-23T23:16:27+03:26", "utc": "1913-10-23T19:50:27Z", "ms": -1773202172545.2524 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:51 on Wed 22 Oct to 13:37 on Thu 23 Oct.", "fact": "1913-10-22T11:25:45Z → 1913-10-23T10:11:32Z" }, { "step": "kaala", "text": "Moonrise is at 22:04 on the 22nd and 23:15 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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: paraviddha → only-day · margin 26000 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Mashhad, 1913: Wednesday 22 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": "1913-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-22", "confidence": "determinate" } ], "quote": "In Mashhad, Ahoyī Aṣṭamī 1913 falls on Wednesday 22 October. Aṣṭamī runs from 14:51 on Wed 22 Oct to 13:37 on Thu 23 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-10-26", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4160, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-10-25T09:35:31+03:26", "utc": "1913-10-25T06:09:31Z", "ms": -1773078629441.3142 }, "end": { "local": "1913-10-26T06:53:35+03:26", "utc": "1913-10-26T03:27:35Z", "ms": -1773001945406.0696 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-25T09:35:31+03:26", "utc": "1913-10-25T06:09:31Z", "ms": -1773078629441.3142 }, "end": { "local": "1913-10-26T06:53:35+03:26", "utc": "1913-10-26T03:27:35Z", "ms": -1773001945406.0696 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-10-25", "window": { "start": { "local": "1913-10-25T05:43:17+03:26", "utc": "1913-10-25T02:17:17Z", "ms": -1773092562787.1404 }, "end": { "local": "1913-10-25T05:43:17+03:26", "utc": "1913-10-25T02:17:17Z", "ms": -1773092562787.1404 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-10-26", "window": { "start": { "local": "1913-10-26T05:44:14+03:26", "utc": "1913-10-26T02:18:14Z", "ms": -1773006105607.4956 }, "end": { "local": "1913-10-26T05:44:14+03:26", "utc": "1913-10-26T02:18:14Z", "ms": -1773006105607.4956 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:35 on Sat 25 Oct to 06:53 on Sun 26 Oct.", "fact": "1913-10-25T06:09:31Z → 1913-10-26T03:27:35Z" }, { "step": "kaala", "text": "Sunrise is at 05:42 on the 25th and 05:43 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4160 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Mashhad, 1913: Sunday 26 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": "1913-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-26", "confidence": "determinate" } ], "quote": "In Mashhad, Ramā Ekādaśī 1913 falls on Sunday 26 October. Ekādaśī runs from 09:35 on Sat 25 Oct to 06:53 on Sun 26 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-10-26", "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/1913/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34050, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1913-10-26T06:53:35+03:26", "utc": "1913-10-26T03:27:35Z", "ms": -1773001945406.0696 }, "end": { "local": "1913-10-27T03:51:01+03:26", "utc": "1913-10-27T00:25:01Z", "ms": -1772926499336.6487 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-26T06:53:35+03:26", "utc": "1913-10-26T03:27:35Z", "ms": -1773001945406.0696 }, "end": { "local": "1913-10-27T03:51:01+03:26", "utc": "1913-10-27T00:25:01Z", "ms": -1772926499336.6487 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-10-25", "window": { "start": { "local": "1913-10-25T16:39:49+03:26", "utc": "1913-10-25T13:13:49Z", "ms": -1773053171341.201 }, "end": { "local": "1913-10-25T18:24:24+03:26", "utc": "1913-10-25T14:58:24Z", "ms": -1773046895910.0403 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1913-10-26", "window": { "start": { "local": "1913-10-26T16:38:38+03:26", "utc": "1913-10-26T13:12:38Z", "ms": -1772966841776.6152 }, "end": { "local": "1913-10-26T18:23:31+03:26", "utc": "1913-10-26T14:57:31Z", "ms": -1772960549281.704 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:53 on Sun 26 Oct to 03:50 on Mon 27 Oct.", "fact": "1913-10-26T03:27:35Z → 1913-10-27T00:25:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:39–18:23 on the 25th, 16:38–18:23 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 25th and 105 of 105 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34050 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Mashhad, 1913: Sunday 26 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": "1913-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-26", "confidence": "determinate" } ], "quote": "In Mashhad, Govatsa Dvādaśī (Vasu Baras) 1913 falls on Sunday 26 October. Dvādaśī runs from 06:53 on Sun 26 Oct to 03:50 on Mon 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22324, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-10-27T03:51:01+03:26", "utc": "1913-10-27T00:25:01Z", "ms": -1772926499336.6487 }, "end": { "local": "1913-10-28T00:34:43+03:26", "utc": "1913-10-27T21:08:43Z", "ms": -1772851877264.269 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-27T03:51:01+03:26", "utc": "1913-10-27T00:25:01Z", "ms": -1772926499336.6487 }, "end": { "local": "1913-10-28T00:34:43+03:26", "utc": "1913-10-27T21:08:43Z", "ms": -1772851877264.269 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-10-26", "window": { "start": { "local": "1913-10-26T16:38:38+03:26", "utc": "1913-10-26T13:12:38Z", "ms": -1772966841776.6152 }, "end": { "local": "1913-10-26T18:23:31+03:26", "utc": "1913-10-26T14:57:31Z", "ms": -1772960549281.704 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1913-10-27", "window": { "start": { "local": "1913-10-27T16:37:29+03:26", "utc": "1913-10-27T13:11:29Z", "ms": -1772880511085.9155 }, "end": { "local": "1913-10-27T18:22:38+03:26", "utc": "1913-10-27T14:56:38Z", "ms": -1772874201630.3857 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:50 on Mon 27 Oct to 00:34 on Tue 28 Oct.", "fact": "1913-10-27T00:25:01Z → 1913-10-27T21:08:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:38–18:23 on the 26th, 16:36–18:22 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 26th and 105 of 105 on the 27th.", "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 22324 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Mashhad, 1913: Monday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-27", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Dīpadāna 1913 falls on Monday 27 October. Trayodaśī runs from 03:50 on Mon 27 Oct to 00:34 on Tue 28 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/pradosha-vrata?on=1913-10-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22324, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-10-27T03:51:01+03:26", "utc": "1913-10-27T00:25:01Z", "ms": -1772926499336.6487 }, "end": { "local": "1913-10-28T00:34:43+03:26", "utc": "1913-10-27T21:08:43Z", "ms": -1772851877264.269 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-27T03:51:01+03:26", "utc": "1913-10-27T00:25:01Z", "ms": -1772926499336.6487 }, "end": { "local": "1913-10-28T00:34:43+03:26", "utc": "1913-10-27T21:08:43Z", "ms": -1772851877264.269 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-10-26", "window": { "start": { "local": "1913-10-26T16:38:38+03:26", "utc": "1913-10-26T13:12:38Z", "ms": -1772966841776.6152 }, "end": { "local": "1913-10-26T18:23:31+03:26", "utc": "1913-10-26T14:57:31Z", "ms": -1772960549281.704 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1913-10-27", "window": { "start": { "local": "1913-10-27T16:37:29+03:26", "utc": "1913-10-27T13:11:29Z", "ms": -1772880511085.9155 }, "end": { "local": "1913-10-27T18:22:38+03:26", "utc": "1913-10-27T14:56:38Z", "ms": -1772874201630.3857 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:50 on Mon 27 Oct to 00:34 on Tue 28 Oct.", "fact": "1913-10-27T00:25:01Z → 1913-10-27T21:08:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:38–18:23 on the 26th, 16:36–18:22 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 26th and 105 of 105 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22324 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Monday 27 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": "1913-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-27", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Monday 27 October. Trayodaśī runs from 03:50 on Mon 27 Oct to 00:34 on Tue 28 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-10-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-27", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3533, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-10-28T00:34:43+03:26", "utc": "1913-10-27T21:08:43Z", "ms": -1772851877264.269 }, "end": { "local": "1913-10-28T21:12:51+03:26", "utc": "1913-10-28T17:46:51Z", "ms": -1772777588538.5652 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-28T00:34:43+03:26", "utc": "1913-10-27T21:08:43Z", "ms": -1772851877264.269 }, "end": { "local": "1913-10-28T21:12:51+03:26", "utc": "1913-10-28T17:46:51Z", "ms": -1772777588538.5652 } }, "kaala": "nishita", "days": [ { "local_date": "1913-10-27", "window": { "start": { "local": "1913-10-27T22:47:49+03:26", "utc": "1913-10-27T19:21:49Z", "ms": -1772858290627.6792 }, "end": { "local": "1913-10-27T23:35:49+03:26", "utc": "1913-10-27T20:09:49Z", "ms": -1772855410627.6792 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-10-28", "window": { "start": { "local": "1913-10-28T22:47:44+03:26", "utc": "1913-10-28T19:21:44Z", "ms": -1772771895586.6265 }, "end": { "local": "1913-10-28T23:35:44+03:26", "utc": "1913-10-28T20:09:44Z", "ms": -1772769015586.6265 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:34 on Tue 28 Oct to 21:12 on Tue 28 Oct.", "fact": "1913-10-27T21:08:43Z → 1913-10-28T17:46:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:47–23:35 on the 27th, 22:47–23:35 on the 28th.", "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 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3533 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Monday 27 October.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-10-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-27", "confidence": "boundary" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Monday 27 October. Caturdaśī runs from 00:34 on Tue 28 Oct to 21:12 on Tue 28 Oct, and reaches niśītha on neither day.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12378, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-10-28T00:34:43+03:26", "utc": "1913-10-27T21:08:43Z", "ms": -1772851877264.269 }, "end": { "local": "1913-10-28T21:12:51+03:26", "utc": "1913-10-28T17:46:51Z", "ms": -1772777588538.5652 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-28T00:34:43+03:26", "utc": "1913-10-27T21:08:43Z", "ms": -1772851877264.269 }, "end": { "local": "1913-10-28T21:12:51+03:26", "utc": "1913-10-28T17:46:51Z", "ms": -1772777588538.5652 } }, "kaala": "arunodaya", "days": [ { "local_date": "1913-10-28", "window": { "start": { "local": "1913-10-28T04:01:00+03:26", "utc": "1913-10-28T00:35:00Z", "ms": -1772839499624.9724 }, "end": { "local": "1913-10-28T05:46:10+03:26", "utc": "1913-10-28T02:20:10Z", "ms": -1772833190169.4426 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "1913-10-29", "window": { "start": { "local": "1913-10-29T04:01:42+03:26", "utc": "1913-10-29T00:35:42Z", "ms": -1772753058241.4675 }, "end": { "local": "1913-10-29T05:47:08+03:26", "utc": "1913-10-29T02:21:08Z", "ms": -1772746731934.137 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:34 on Tue 28 Oct to 21:12 on Tue 28 Oct.", "fact": "1913-10-27T21:08:43Z → 1913-10-28T17:46:51Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:00–05:45 on the 28th, 04:01–05:46 on the 29th.", "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 105 of 105 minutes on the 28th and 0 of 105 on the 29th.", "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 12378 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Mashhad, 1913: Tuesday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-28", "confidence": "determinate" } ], "quote": "In Mashhad, Naraka Caturdaśī (Choti Diwali) 1913 falls on Tuesday 28 October. Caturdaśī runs from 00:34 on Tue 28 Oct to 21:12 on Tue 28 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5693, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1913-10-28T21:12:51+03:26", "utc": "1913-10-28T17:46:51Z", "ms": -1772777588538.5652 }, "end": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-28T21:12:51+03:26", "utc": "1913-10-28T17:46:51Z", "ms": -1772777588538.5652 }, "end": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 } }, "kaala": "nishita", "days": [ { "local_date": "1913-10-28", "window": { "start": { "local": "1913-10-28T22:47:44+03:26", "utc": "1913-10-28T19:21:44Z", "ms": -1772771895586.6265 }, "end": { "local": "1913-10-28T23:35:44+03:26", "utc": "1913-10-28T20:09:44Z", "ms": -1772769015586.6265 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-10-29", "window": { "start": { "local": "1913-10-29T22:47:40+03:26", "utc": "1913-10-29T19:21:40Z", "ms": -1772685499790.3755 }, "end": { "local": "1913-10-29T23:35:40+03:26", "utc": "1913-10-29T20:09:40Z", "ms": -1772682619790.3755 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 21:12 on Tue 28 Oct to 17:54 on Wed 29 Oct.", "fact": "1913-10-28T17:46:51Z → 1913-10-29T14:28:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:47–23:35 on the 28th, 22:47–23:35 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5693 s" }, { "step": "ruling", "text": "Kālī Pūjā, Mashhad, 1913: Tuesday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-28", "confidence": "determinate" } ], "quote": "In Mashhad, Kālī Pūjā 1913 falls on Tuesday 28 October. Amāvasyā runs from 21:12 on Tue 28 Oct to 17:54 on Wed 29 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1580, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1913-10-28T21:12:51+03:26", "utc": "1913-10-28T17:46:51Z", "ms": -1772777588538.5652 }, "end": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-28T21:12:51+03:26", "utc": "1913-10-28T17:46:51Z", "ms": -1772777588538.5652 }, "end": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-10-28", "window": { "start": { "local": "1913-10-28T16:36:21+03:26", "utc": "1913-10-28T13:10:21Z", "ms": -1772794179239.116 }, "end": { "local": "1913-10-28T18:21:47+03:26", "utc": "1913-10-28T14:55:47Z", "ms": -1772787852931.7854 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1913-10-29", "window": { "start": { "local": "1913-10-29T16:35:14+03:26", "utc": "1913-10-29T13:09:14Z", "ms": -1772707846207.2517 }, "end": { "local": "1913-10-29T18:20:57+03:26", "utc": "1913-10-29T14:54:57Z", "ms": -1772701503162.7515 } }, "covered_min": 79, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 21:12 on Tue 28 Oct to 17:54 on Wed 29 Oct.", "fact": "1913-10-28T17:46:51Z → 1913-10-29T14:28:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:35–18:21 on the 28th, 16:34–18:20 on the 29th.", "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 105 minutes on the 28th and 79 of 106 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1580 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Mashhad, 1913: Wednesday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-29", "confidence": "determinate" } ], "quote": "In Mashhad, Lakṣmī Pūjā (Diwali) 1913 falls on Wednesday 29 October. Amāvasyā runs from 21:12 on Tue 28 Oct to 17:54 on Wed 29 Oct and covers 79 of 106 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1580, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 }, "end": { "local": "1913-10-30T14:49:49+03:26", "utc": "1913-10-30T11:23:49Z", "ms": -1772627770817.857 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 }, "end": { "local": "1913-10-30T14:49:49+03:26", "utc": "1913-10-30T11:23:49Z", "ms": -1772627770817.857 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-10-29", "window": { "start": { "local": "1913-10-29T16:35:14+03:26", "utc": "1913-10-29T13:09:14Z", "ms": -1772707846207.2517 }, "end": { "local": "1913-10-29T18:20:57+03:26", "utc": "1913-10-29T14:54:57Z", "ms": -1772701503162.7515 } }, "covered_min": 26, "window_min": 106, "qualifies": true }, { "local_date": "1913-10-30", "window": { "start": { "local": "1913-10-30T16:34:08+03:26", "utc": "1913-10-30T13:08:08Z", "ms": -1772621511961.908 }, "end": { "local": "1913-10-30T18:20:08+03:26", "utc": "1913-10-30T14:54:08Z", "ms": -1772615152300.8196 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:54 on Wed 29 Oct to 14:49 on Thu 30 Oct.", "fact": "1913-10-29T14:28:37Z → 1913-10-30T11:23:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:34–18:20 on the 29th, 16:33–18:19 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 26 of 106 minutes on the 29th and 0 of 106 on the 30th.", "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 1580 s" }, { "step": "ruling", "text": "Bali Pūjā, Mashhad, 1913: Wednesday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-29", "confidence": "determinate" } ], "quote": "In Mashhad, Bali Pūjā 1913 falls on Wednesday 29 October. Pratipadā runs from 17:54 on Wed 29 Oct to 14:49 on Thu 30 Oct and covers 26 of 106 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11682, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 }, "end": { "local": "1913-10-30T14:49:49+03:26", "utc": "1913-10-30T11:23:49Z", "ms": -1772627770817.857 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 }, "end": { "local": "1913-10-30T14:49:49+03:26", "utc": "1913-10-30T11:23:49Z", "ms": -1772627770817.857 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-10-29", "window": { "start": { "local": "1913-10-29T10:47:11+03:26", "utc": "1913-10-29T07:21:11Z", "ms": -1772728729070.6943 }, "end": { "local": "1913-10-29T11:35:11+03:26", "utc": "1913-10-29T08:09:11Z", "ms": -1772725849070.6943 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-10-30", "window": { "start": { "local": "1913-10-30T10:47:07+03:26", "utc": "1913-10-30T07:21:07Z", "ms": -1772642332667.7036 }, "end": { "local": "1913-10-30T11:35:07+03:26", "utc": "1913-10-30T08:09:07Z", "ms": -1772639452667.7036 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:54 on Wed 29 Oct to 14:49 on Thu 30 Oct.", "fact": "1913-10-29T14:28:37Z → 1913-10-30T11:23:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 29th, 10:46–11:34 on the 30th.", "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 29th and 48 of 48 on the 30th.", "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 11682 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Mashhad, 1913: Thursday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-30", "confidence": "determinate" } ], "quote": "In Mashhad, Govardhana Pūjā 1913 falls on Thursday 30 October. Pratipadā runs from 17:54 on Wed 29 Oct to 14:49 on Thu 30 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19582, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 }, "end": { "local": "1913-10-30T14:49:49+03:26", "utc": "1913-10-30T11:23:49Z", "ms": -1772627770817.857 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-29T17:54:37+03:26", "utc": "1913-10-29T14:28:37Z", "ms": -1772703082857.4548 }, "end": { "local": "1913-10-30T14:49:49+03:26", "utc": "1913-10-30T11:23:49Z", "ms": -1772627770817.857 } }, "kaala": "purvahna", "days": [ { "local_date": "1913-10-29", "window": { "start": { "local": "1913-10-29T05:47:08+03:26", "utc": "1913-10-29T02:21:08Z", "ms": -1772746731934.137 }, "end": { "local": "1913-10-29T09:23:10+03:26", "utc": "1913-10-29T05:57:10Z", "ms": -1772733770025.1753 } }, "covered_min": 0, "window_min": 216, "qualifies": false }, { "local_date": "1913-10-30", "window": { "start": { "local": "1913-10-30T05:48:07+03:26", "utc": "1913-10-30T02:22:07Z", "ms": -1772660273373.499 }, "end": { "local": "1913-10-30T09:23:27+03:26", "utc": "1913-10-30T05:57:27Z", "ms": -1772647352902.9688 } }, "covered_min": 215, "window_min": 215, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:54 on Wed 29 Oct to 14:49 on Thu 30 Oct.", "fact": "1913-10-29T14:28:37Z → 1913-10-30T11:23:49Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:46–09:22 on the 29th, 05:47–09:22 on the 30th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 216 minutes on the 29th and 215 of 215 on the 30th.", "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 19582 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Mashhad, 1913: Thursday 30 October.", "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": "1913-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-30", "confidence": "determinate" } ], "quote": "In Mashhad, Dyūta Pratipad 1913 falls on Thursday 30 October. Pratipadā runs from 17:54 on Wed 29 Oct to 14:49 on Thu 30 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2006, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1913-10-30T14:49:49+03:26", "utc": "1913-10-30T11:23:49Z", "ms": -1772627770817.857 }, "end": { "local": "1913-10-31T12:08:30+03:26", "utc": "1913-10-31T08:42:30Z", "ms": -1772551049854.5276 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-10-30T14:49:49+03:26", "utc": "1913-10-30T11:23:49Z", "ms": -1772627770817.857 }, "end": { "local": "1913-10-31T12:08:30+03:26", "utc": "1913-10-31T08:42:30Z", "ms": -1772551049854.5276 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-10-30", "window": { "start": { "local": "1913-10-30T10:47:07+03:26", "utc": "1913-10-30T07:21:07Z", "ms": -1772642332667.7036 }, "end": { "local": "1913-10-30T11:35:07+03:26", "utc": "1913-10-30T08:09:07Z", "ms": -1772639452667.7036 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-10-31", "window": { "start": { "local": "1913-10-31T10:47:05+03:26", "utc": "1913-10-31T07:21:05Z", "ms": -1772555935489.1968 }, "end": { "local": "1913-10-31T11:35:05+03:26", "utc": "1913-10-31T08:09:05Z", "ms": -1772553055489.1968 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 14:49 on Thu 30 Oct to 12:08 on Fri 31 Oct.", "fact": "1913-10-30T11:23:49Z → 1913-10-31T08:42:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 30th, 10:46–11:34 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "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 2006 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Mashhad, 1913: Friday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-10-31", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Dvitīyā (Bhai Dooj) 1913 falls on Friday 31 October. Dvitīyā runs from 14:49 on Thu 30 Oct to 12:08 on Fri 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2801, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-11-01T10:00:21+03:26", "utc": "1913-11-01T06:34:21Z", "ms": -1772472338855.0608 }, "end": { "local": "1913-11-02T08:33:55+03:26", "utc": "1913-11-02T05:07:55Z", "ms": -1772391124917.3962 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-01T10:00:21+03:26", "utc": "1913-11-01T06:34:21Z", "ms": -1772472338855.0608 }, "end": { "local": "1913-11-02T08:33:55+03:26", "utc": "1913-11-02T05:07:55Z", "ms": -1772391124917.3962 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-11-01", "window": { "start": { "local": "1913-11-01T10:47:02+03:26", "utc": "1913-11-01T07:21:02Z", "ms": -1772469537529.3564 }, "end": { "local": "1913-11-01T11:35:02+03:26", "utc": "1913-11-01T08:09:02Z", "ms": -1772466657529.3564 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-11-02", "window": { "start": { "local": "1913-11-02T10:47:01+03:26", "utc": "1913-11-02T07:21:01Z", "ms": -1772383138782.303 }, "end": { "local": "1913-11-02T11:35:01+03:26", "utc": "1913-11-02T08:09:01Z", "ms": -1772380258782.303 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:59 on Sat 1 Nov to 08:33 on Sun 2 Nov.", "fact": "1913-11-01T06:34:21Z → 1913-11-02T05:07:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 1st, 10:46–11:34 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2801 s" }, { "step": "ruling", "text": "Nāga Caturthī, Mashhad, 1913: Saturday 1 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": "1913-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-01", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Caturthī 1913 falls on Saturday 1 November. Caturthī runs from 09:59 on Sat 1 Nov to 08:33 on Sun 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/vinayaka-chaturthi?on=1913-11-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2801, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-11-01T10:00:21+03:26", "utc": "1913-11-01T06:34:21Z", "ms": -1772472338855.0608 }, "end": { "local": "1913-11-02T08:33:55+03:26", "utc": "1913-11-02T05:07:55Z", "ms": -1772391124917.3962 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-01T10:00:21+03:26", "utc": "1913-11-01T06:34:21Z", "ms": -1772472338855.0608 }, "end": { "local": "1913-11-02T08:33:55+03:26", "utc": "1913-11-02T05:07:55Z", "ms": -1772391124917.3962 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-11-01", "window": { "start": { "local": "1913-11-01T10:47:02+03:26", "utc": "1913-11-01T07:21:02Z", "ms": -1772469537529.3564 }, "end": { "local": "1913-11-01T11:35:02+03:26", "utc": "1913-11-01T08:09:02Z", "ms": -1772466657529.3564 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-11-02", "window": { "start": { "local": "1913-11-02T10:47:01+03:26", "utc": "1913-11-02T07:21:01Z", "ms": -1772383138782.303 }, "end": { "local": "1913-11-02T11:35:01+03:26", "utc": "1913-11-02T08:09:01Z", "ms": -1772380258782.303 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:59 on Sat 1 Nov to 08:33 on Sun 2 Nov.", "fact": "1913-11-01T06:34:21Z → 1913-11-02T05:07:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 1st, 10:46–11:34 on the 2nd.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2801 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Saturday 1 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": "1913-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-01", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Saturday 1 November. Caturthī runs from 09:59 on Sat 1 Nov to 08:33 on Sun 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-11-01", "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/1913/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9509, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1913-11-03T07:55:36+03:26", "utc": "1913-11-03T04:29:36Z", "ms": -1772307023510.2847 }, "end": { "local": "1913-11-04T08:08:33+03:26", "utc": "1913-11-04T04:42:33Z", "ms": -1772219847456.937 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-03T07:55:36+03:26", "utc": "1913-11-03T04:29:36Z", "ms": -1772307023510.2847 }, "end": { "local": "1913-11-04T08:08:33+03:26", "utc": "1913-11-04T04:42:33Z", "ms": -1772219847456.937 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-11-03", "window": { "start": { "local": "1913-11-03T10:47:01+03:26", "utc": "1913-11-03T07:21:01Z", "ms": -1772296739241.9111 }, "end": { "local": "1913-11-03T11:35:01+03:26", "utc": "1913-11-03T08:09:01Z", "ms": -1772293859241.9111 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-11-04", "window": { "start": { "local": "1913-11-04T10:47:01+03:26", "utc": "1913-11-04T07:21:01Z", "ms": -1772210338901.8137 }, "end": { "local": "1913-11-04T11:35:01+03:26", "utc": "1913-11-04T08:09:01Z", "ms": -1772207458901.8137 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:55 on Mon 3 Nov to 08:08 on Tue 4 Nov.", "fact": "1913-11-03T04:29:36Z → 1913-11-04T04:42:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 3rd, 10:46–11:34 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "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 9509 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Mashhad, 1913: Monday 3 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": "1913-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-03", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Chhath) 1913 falls on Monday 3 November. Ṣaṣṭhī runs from 07:55 on Mon 3 Nov to 08:08 on Tue 4 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 673, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1913-11-05T09:11:29+03:26", "utc": "1913-11-05T05:45:29Z", "ms": -1772129670652.9766 }, "end": { "local": "1913-11-06T10:58:17+03:26", "utc": "1913-11-06T07:32:17Z", "ms": -1772036862770.7217 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-05T09:11:29+03:26", "utc": "1913-11-05T05:45:29Z", "ms": -1772129670652.9766 }, "end": { "local": "1913-11-06T10:58:17+03:26", "utc": "1913-11-06T07:32:17Z", "ms": -1772036862770.7217 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-11-05", "window": { "start": { "local": "1913-11-05T10:47:02+03:26", "utc": "1913-11-05T07:21:02Z", "ms": -1772123937755.5107 }, "end": { "local": "1913-11-05T11:35:02+03:26", "utc": "1913-11-05T08:09:02Z", "ms": -1772121057755.5107 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-11-06", "window": { "start": { "local": "1913-11-06T10:47:04+03:26", "utc": "1913-11-06T07:21:04Z", "ms": -1772037535796.5288 }, "end": { "local": "1913-11-06T11:35:04+03:26", "utc": "1913-11-06T08:09:04Z", "ms": -1772034655796.5288 } }, "covered_min": 11, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:10 on Wed 5 Nov to 10:57 on Thu 6 Nov.", "fact": "1913-11-05T05:45:29Z → 1913-11-06T07:32:17Z" }, { "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": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 11 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 673 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Mashhad, 1913: Wednesday 5 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1913-11-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-05", "confidence": "boundary" } ], "quote": "In Mashhad, Gopāṣṭamī 1913 falls on Wednesday 5 November. Aṣṭamī runs from 09:10 on Wed 5 Nov to 10:57 on Thu 6 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 11 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 673, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1913-11-06T10:58:17+03:26", "utc": "1913-11-06T07:32:17Z", "ms": -1772036862770.7217 }, "end": { "local": "1913-11-07T13:18:10+03:26", "utc": "1913-11-07T09:52:10Z", "ms": -1771942069507.8223 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-06T10:58:17+03:26", "utc": "1913-11-06T07:32:17Z", "ms": -1772036862770.7217 }, "end": { "local": "1913-11-07T13:18:10+03:26", "utc": "1913-11-07T09:52:10Z", "ms": -1771942069507.8223 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-11-06", "window": { "start": { "local": "1913-11-06T10:47:04+03:26", "utc": "1913-11-06T07:21:04Z", "ms": -1772037535796.5288 }, "end": { "local": "1913-11-06T11:35:04+03:26", "utc": "1913-11-06T08:09:04Z", "ms": -1772034655796.5288 } }, "covered_min": 37, "window_min": 48, "qualifies": true }, { "local_date": "1913-11-07", "window": { "start": { "local": "1913-11-07T10:47:07+03:26", "utc": "1913-11-07T07:21:07Z", "ms": -1771951133018.5767 }, "end": { "local": "1913-11-07T11:35:07+03:26", "utc": "1913-11-07T08:09:07Z", "ms": -1771948253018.5767 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:57 on Thu 6 Nov to 13:17 on Fri 7 Nov.", "fact": "1913-11-06T07:32:17Z → 1913-11-07T09:52:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 6th, 10:46–11:34 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 37 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 673 s" }, { "step": "ruling", "text": "Durgā Navamī, Mashhad, 1913: Thursday 6 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": "1913-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-06", "confidence": "determinate" } ], "quote": "In Mashhad, Durgā Navamī 1913 falls on Thursday 6 November. Navamī runs from 10:57 on Thu 6 Nov to 13:17 on Fri 7 Nov and covers 37 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5553, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1913-11-06T10:58:17+03:26", "utc": "1913-11-06T07:32:17Z", "ms": -1772036862770.7217 }, "end": { "local": "1913-11-07T13:18:10+03:26", "utc": "1913-11-07T09:52:10Z", "ms": -1771942069507.8223 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-06T10:58:17+03:26", "utc": "1913-11-06T07:32:17Z", "ms": -1772036862770.7217 }, "end": { "local": "1913-11-07T13:18:10+03:26", "utc": "1913-11-07T09:52:10Z", "ms": -1771942069507.8223 } }, "kaala": "purvahna", "days": [ { "local_date": "1913-11-06", "window": { "start": { "local": "1913-11-06T05:55:04+03:26", "utc": "1913-11-06T02:29:04Z", "ms": -1772055055785.83 }, "end": { "local": "1913-11-06T09:25:44+03:26", "utc": "1913-11-06T05:59:44Z", "ms": -1772042415792.9624 } }, "covered_min": 0, "window_min": 211, "qualifies": false }, { "local_date": "1913-11-07", "window": { "start": { "local": "1913-11-07T05:56:05+03:26", "utc": "1913-11-07T02:30:05Z", "ms": -1771968595252.2202 }, "end": { "local": "1913-11-07T09:26:06+03:26", "utc": "1913-11-07T06:00:06Z", "ms": -1771955993763.1245 } }, "covered_min": 210, "window_min": 210, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:57 on Thu 6 Nov to 13:17 on Fri 7 Nov.", "fact": "1913-11-06T07:32:17Z → 1913-11-07T09:52:10Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:54–09:25 on the 6th, 05:55–09:25 on the 7th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 211 minutes on the 6th and 210 of 210 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5553 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Mashhad, 1913: Friday 7 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": "1913-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-07", "confidence": "determinate" } ], "quote": "In Mashhad, Akṣaya Navamī (Amla Navami) 1913 falls on Friday 7 November. Navamī runs from 10:57 on Thu 6 Nov to 13:17 on Fri 7 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-11-09", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36007, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-11-08T15:57:13+03:26", "utc": "1913-11-08T12:31:13Z", "ms": -1771846127271.6895 }, "end": { "local": "1913-11-09T18:40:31+03:26", "utc": "1913-11-09T15:14:31Z", "ms": -1771749929242.6267 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-08T15:57:13+03:26", "utc": "1913-11-08T12:31:13Z", "ms": -1771846127271.6895 }, "end": { "local": "1913-11-09T18:40:31+03:26", "utc": "1913-11-09T15:14:31Z", "ms": -1771749929242.6267 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-11-08", "window": { "start": { "local": "1913-11-08T05:57:05+03:26", "utc": "1913-11-08T02:31:05Z", "ms": -1771882134555.013 }, "end": { "local": "1913-11-08T05:57:05+03:26", "utc": "1913-11-08T02:31:05Z", "ms": -1771882134555.013 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-11-09", "window": { "start": { "local": "1913-11-09T05:58:06+03:26", "utc": "1913-11-09T02:32:06Z", "ms": -1771795673714.1653 }, "end": { "local": "1913-11-09T05:58:06+03:26", "utc": "1913-11-09T02:32:06Z", "ms": -1771795673714.1653 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:56 on Sat 8 Nov to 18:40 on Sun 9 Nov.", "fact": "1913-11-08T12:31:13Z → 1913-11-09T15:14:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:56 on the 8th and 05:57 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 36007 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Mashhad, 1913: Sunday 9 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": "1913-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-09", "confidence": "determinate" } ], "quote": "In Mashhad, Prabodhinī Ekādaśī 1913 falls on Sunday 9 November. Ekādaśī runs from 15:56 on Sat 8 Nov to 18:40 on Sun 9 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-11-09", "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/1913/pradosha-vrata?on=1913-11-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10930, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-11-10T21:14:36+03:26", "utc": "1913-11-10T17:48:36Z", "ms": -1771654284407.178 }, "end": { "local": "1913-11-11T23:29:06+03:26", "utc": "1913-11-11T20:03:06Z", "ms": -1771559813661.854 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-10T21:14:36+03:26", "utc": "1913-11-10T17:48:36Z", "ms": -1771654284407.178 }, "end": { "local": "1913-11-11T23:29:06+03:26", "utc": "1913-11-11T20:03:06Z", "ms": -1771559813661.854 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-11-10", "window": { "start": { "local": "1913-11-10T16:23:33+03:26", "utc": "1913-11-10T12:57:33Z", "ms": -1771671746675.7405 }, "end": { "local": "1913-11-10T18:12:26+03:26", "utc": "1913-11-10T14:46:26Z", "ms": -1771665214010.333 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1913-11-11", "window": { "start": { "local": "1913-11-11T16:22:44+03:26", "utc": "1913-11-11T12:56:44Z", "ms": -1771585395521.9648 }, "end": { "local": "1913-11-11T18:11:52+03:26", "utc": "1913-11-11T14:45:52Z", "ms": -1771578848191.1587 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:14 on Mon 10 Nov to 23:28 on Tue 11 Nov.", "fact": "1913-11-10T17:48:36Z → 1913-11-11T20:03:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:23–18:11 on the 10th, 16:22–18:11 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 109 minutes on the 10th and 109 of 109 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 10930 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Tuesday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-11", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Tuesday 11 November. Trayodaśī runs from 21:14 on Mon 10 Nov to 23:28 on Tue 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29443, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-11-13T01:17:34+03:26", "utc": "1913-11-12T21:51:34Z", "ms": -1771466906362.5857 }, "end": { "local": "1913-11-14T02:37:06+03:26", "utc": "1913-11-13T23:11:06Z", "ms": -1771375733689.3252 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-13T01:17:34+03:26", "utc": "1913-11-12T21:51:34Z", "ms": -1771466906362.5857 }, "end": { "local": "1913-11-14T02:37:06+03:26", "utc": "1913-11-13T23:11:06Z", "ms": -1771375733689.3252 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-11-13", "window": { "start": { "local": "1913-11-13T10:47:41+03:26", "utc": "1913-11-13T07:21:41Z", "ms": -1771432698847.6406 }, "end": { "local": "1913-11-13T11:35:41+03:26", "utc": "1913-11-13T08:09:41Z", "ms": -1771429818847.6406 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-11-14", "window": { "start": { "local": "1913-11-14T10:47:50+03:26", "utc": "1913-11-14T07:21:50Z", "ms": -1771346290194.7158 }, "end": { "local": "1913-11-14T11:35:50+03:26", "utc": "1913-11-14T08:09:50Z", "ms": -1771343410194.7158 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:17 on Thu 13 Nov to 02:36 on Fri 14 Nov.", "fact": "1913-11-12T21:51:34Z → 1913-11-13T23:11:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:47–11:35 on the 13th, 10:47–11:35 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29443 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Mashhad, 1913: Thursday 13 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": "1913-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-13", "confidence": "determinate" } ], "quote": "In Mashhad, Kārtikī Pūrṇimā 1913 falls on Thursday 13 November. Pūrṇimā runs from 01:17 on Thu 13 Nov to 02:36 on Fri 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6090, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-11-13T01:17:34+03:26", "utc": "1913-11-12T21:51:34Z", "ms": -1771466906362.5857 }, "end": { "local": "1913-11-14T02:37:06+03:26", "utc": "1913-11-13T23:11:06Z", "ms": -1771375733689.3252 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1913-11-13T01:17:34+03:26", "utc": "1913-11-12T21:51:34Z", "ms": -1771466906362.5857 }, "end": { "local": "1913-11-14T02:37:06+03:26", "utc": "1913-11-13T23:11:06Z", "ms": -1771375733689.3252 } }, "kaala": "nishita", "days": [ { "local_date": "1913-11-12", "window": { "start": { "local": "1913-11-12T22:48:04+03:26", "utc": "1913-11-12T19:22:04Z", "ms": -1771475876049.5928 }, "end": { "local": "1913-11-12T23:36:04+03:26", "utc": "1913-11-12T20:10:04Z", "ms": -1771472996049.5928 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-11-13", "window": { "start": { "local": "1913-11-13T22:48:12+03:26", "utc": "1913-11-13T19:22:12Z", "ms": -1771389468231.8674 }, "end": { "local": "1913-11-13T23:36:12+03:26", "utc": "1913-11-13T20:10:12Z", "ms": -1771386588231.8674 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:17 on Thu 13 Nov to 02:36 on Fri 14 Nov.", "fact": "1913-11-12T21:51:34Z → 1913-11-13T23:11:06Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:47–23:35 on the 12th, 22:47–23:35 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6090 s" }, { "step": "ruling", "text": "Rāsayātrā, Mashhad, 1913: Thursday 13 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": "1913-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-13", "confidence": "determinate" } ], "quote": "In Mashhad, Rāsayātrā 1913 falls on Thursday 13 November. Pūrṇimā runs from 01:17 on Thu 13 Nov to 02:36 on Fri 14 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-11-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30837, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-11-17T03:49:26+03:26", "utc": "1913-11-17T00:23:26Z", "ms": -1771112193788.7937 }, "end": { "local": "1913-11-18T03:25:19+03:26", "utc": "1913-11-17T23:59:19Z", "ms": -1771027240608.5828 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-11-17T03:49:26+03:26", "utc": "1913-11-17T00:23:26Z", "ms": -1771112193788.7937 }, "end": { "local": "1913-11-18T03:25:19+03:26", "utc": "1913-11-17T23:59:19Z", "ms": -1771027240608.5828 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-11-16", "window": { "start": { "local": "1913-11-16T17:52:05+03:26", "utc": "1913-11-16T14:26:05Z", "ms": -1771148034727.699 }, "end": { "local": "1913-11-16T17:52:05+03:26", "utc": "1913-11-16T14:26:05Z", "ms": -1771148034727.699 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-11-17", "window": { "start": { "local": "1913-11-17T18:51:23+03:26", "utc": "1913-11-17T15:25:23Z", "ms": -1771058077142.0955 }, "end": { "local": "1913-11-17T18:51:23+03:26", "utc": "1913-11-17T15:25:23Z", "ms": -1771058077142.0955 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:48 on Mon 17 Nov to 03:24 on Tue 18 Nov.", "fact": "1913-11-17T00:23:26Z → 1913-11-17T23:59:19Z" }, { "step": "kaala", "text": "Moonrise is at 17:51 on the 16th and 18:50 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "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 30837 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Monday 17 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": "1913-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-17", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Monday 17 November. Caturthī runs from 03:48 on Mon 17 Nov to 03:24 on Tue 18 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/ekadashi?on=1913-11-24", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33768, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-11-23T18:08:14+03:26", "utc": "1913-11-23T14:42:14Z", "ms": -1770542265905.9365 }, "end": { "local": "1913-11-24T15:36:07+03:26", "utc": "1913-11-24T12:10:07Z", "ms": -1770464992953.1694 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-11-23T18:08:14+03:26", "utc": "1913-11-23T14:42:14Z", "ms": -1770542265905.9365 }, "end": { "local": "1913-11-24T15:36:07+03:26", "utc": "1913-11-24T12:10:07Z", "ms": -1770464992953.1694 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-11-23", "window": { "start": { "local": "1913-11-23T06:12:20+03:26", "utc": "1913-11-23T02:46:20Z", "ms": -1770585220364.7786 }, "end": { "local": "1913-11-23T06:12:20+03:26", "utc": "1913-11-23T02:46:20Z", "ms": -1770585220364.7786 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-11-24", "window": { "start": { "local": "1913-11-24T06:13:19+03:26", "utc": "1913-11-24T02:47:19Z", "ms": -1770498760512.2961 }, "end": { "local": "1913-11-24T06:13:19+03:26", "utc": "1913-11-24T02:47:19Z", "ms": -1770498760512.2961 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:07 on Sun 23 Nov to 15:35 on Mon 24 Nov.", "fact": "1913-11-23T14:42:14Z → 1913-11-24T12:10:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 23rd and 06:12 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33768 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Mashhad, 1913: Monday 24 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": "1913-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-24", "confidence": "determinate" } ], "quote": "In Mashhad, Utpannā Ekādaśī 1913 falls on Monday 24 November. Ekādaśī runs from 18:07 on Sun 23 Nov to 15:35 on Mon 24 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-11-24", "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/1913/pradosha-vrata?on=1913-11-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11965, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-11-25T12:54:58+03:26", "utc": "1913-11-25T09:28:58Z", "ms": -1770388262022.0054 }, "end": { "local": "1913-11-26T10:11:04+03:26", "utc": "1913-11-26T06:45:04Z", "ms": -1770311695903.3042 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-11-25T12:54:58+03:26", "utc": "1913-11-25T09:28:58Z", "ms": -1770388262022.0054 }, "end": { "local": "1913-11-26T10:11:04+03:26", "utc": "1913-11-26T06:45:04Z", "ms": -1770311695903.3042 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-11-25", "window": { "start": { "local": "1913-11-25T16:14:23+03:26", "utc": "1913-11-25T12:48:23Z", "ms": -1770376297096.1301 }, "end": { "local": "1913-11-25T18:06:30+03:26", "utc": "1913-11-25T14:40:30Z", "ms": -1770369569738.7334 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "1913-11-26", "window": { "start": { "local": "1913-11-26T16:14:01+03:26", "utc": "1913-11-26T12:48:01Z", "ms": -1770289918865.8691 }, "end": { "local": "1913-11-26T18:06:19+03:26", "utc": "1913-11-26T14:40:19Z", "ms": -1770283180786.3975 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:54 on Tue 25 Nov to 10:10 on Wed 26 Nov.", "fact": "1913-11-25T09:28:58Z → 1913-11-26T06:45:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:13–18:06 on the 25th, 16:13–18:05 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 112 of 112 minutes on the 25th and 0 of 112 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11965 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Tuesday 25 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": "1913-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-25", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Tuesday 25 November. Trayodaśī runs from 12:54 on Tue 25 Nov to 10:10 on Wed 26 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-11-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28379, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-11-26T10:11:04+03:26", "utc": "1913-11-26T06:45:04Z", "ms": -1770311695903.3042 }, "end": { "local": "1913-11-27T07:32:08+03:26", "utc": "1913-11-27T04:06:08Z", "ms": -1770234831960.4473 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-11-26T10:11:04+03:26", "utc": "1913-11-26T06:45:04Z", "ms": -1770311695903.3042 }, "end": { "local": "1913-11-27T07:32:08+03:26", "utc": "1913-11-27T04:06:08Z", "ms": -1770234831960.4473 } }, "kaala": "nishita", "days": [ { "local_date": "1913-11-25", "window": { "start": { "local": "1913-11-25T22:50:50+03:26", "utc": "1913-11-25T19:24:50Z", "ms": -1770352509505.8923 }, "end": { "local": "1913-11-25T23:38:50+03:26", "utc": "1913-11-25T20:12:50Z", "ms": -1770349629505.8923 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-11-26", "window": { "start": { "local": "1913-11-26T22:51:09+03:26", "utc": "1913-11-26T19:25:09Z", "ms": -1770266091067.85 }, "end": { "local": "1913-11-26T23:39:09+03:26", "utc": "1913-11-26T20:13:09Z", "ms": -1770263211067.85 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:10 on Wed 26 Nov to 07:31 on Thu 27 Nov.", "fact": "1913-11-26T06:45:04Z → 1913-11-27T04:06:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:50–23:38 on the 25th, 22:50–23:38 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28379 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Wednesday 26 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": "1913-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-11-26", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Wednesday 26 November. Caturdaśī runs from 10:10 on Wed 26 Nov to 07:31 on Thu 27 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-11-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-12-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36412, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-12-01T00:45:32+03:26", "utc": "1913-11-30T21:19:32Z", "ms": -1769913628318.8804 }, "end": { "local": "1913-12-02T00:42:21+03:26", "utc": "1913-12-01T21:16:21Z", "ms": -1769827418591.655 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-01T00:45:32+03:26", "utc": "1913-11-30T21:19:32Z", "ms": -1769913628318.8804 }, "end": { "local": "1913-12-02T00:42:21+03:26", "utc": "1913-12-01T21:16:21Z", "ms": -1769827418591.655 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-12-01", "window": { "start": { "local": "1913-12-01T10:52:24+03:26", "utc": "1913-12-01T07:26:24Z", "ms": -1769877216093.9915 }, "end": { "local": "1913-12-01T11:40:24+03:26", "utc": "1913-12-01T08:14:24Z", "ms": -1769874336093.9915 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-12-02", "window": { "start": { "local": "1913-12-02T10:52:47+03:26", "utc": "1913-12-02T07:26:47Z", "ms": -1769790793201.5664 }, "end": { "local": "1913-12-02T11:40:47+03:26", "utc": "1913-12-02T08:14:47Z", "ms": -1769787913201.5664 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:45 on Mon 1 Dec to 00:41 on Tue 2 Dec.", "fact": "1913-11-30T21:19:32Z → 1913-12-01T21:16:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 1st, 10:52–11:40 on the 2nd.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36412 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Monday 1 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": "1913-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-01", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Monday 1 December. Caturthī runs from 00:45 on Mon 1 Dec to 00:41 on Tue 2 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-12-01", "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/1913/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33923, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1913-12-02T00:42:21+03:26", "utc": "1913-12-01T21:16:21Z", "ms": -1769827418591.655 }, "end": { "local": "1913-12-03T01:27:47+03:26", "utc": "1913-12-02T22:01:47Z", "ms": -1769738293166.7217 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-02T00:42:21+03:26", "utc": "1913-12-01T21:16:21Z", "ms": -1769827418591.655 }, "end": { "local": "1913-12-03T01:27:47+03:26", "utc": "1913-12-02T22:01:47Z", "ms": -1769738293166.7217 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-12-02", "window": { "start": { "local": "1913-12-02T10:52:47+03:26", "utc": "1913-12-02T07:26:47Z", "ms": -1769790793201.5664 }, "end": { "local": "1913-12-02T11:40:47+03:26", "utc": "1913-12-02T08:14:47Z", "ms": -1769787913201.5664 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-12-03", "window": { "start": { "local": "1913-12-03T10:53:10+03:26", "utc": "1913-12-03T07:27:10Z", "ms": -1769704369687.5938 }, "end": { "local": "1913-12-03T11:41:10+03:26", "utc": "1913-12-03T08:15:10Z", "ms": -1769701489687.5938 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:41 on Tue 2 Dec to 01:27 on Wed 3 Dec.", "fact": "1913-12-01T21:16:21Z → 1913-12-02T22:01:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 2nd, 10:52–11:40 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "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 33923 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Mashhad, 1913: Tuesday 2 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": "1913-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-02", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī (Mārgaśīrṣa) 1913 falls on Tuesday 2 December. Pañcamī runs from 00:41 on Tue 2 Dec to 01:27 on Wed 3 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28456, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1913-12-03T01:27:47+03:26", "utc": "1913-12-02T22:01:47Z", "ms": -1769738293166.7217 }, "end": { "local": "1913-12-04T02:59:19+03:26", "utc": "1913-12-03T23:33:19Z", "ms": -1769646401369.2952 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-03T01:27:47+03:26", "utc": "1913-12-02T22:01:47Z", "ms": -1769738293166.7217 }, "end": { "local": "1913-12-04T02:59:19+03:26", "utc": "1913-12-03T23:33:19Z", "ms": -1769646401369.2952 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-12-03", "window": { "start": { "local": "1913-12-03T10:53:10+03:26", "utc": "1913-12-03T07:27:10Z", "ms": -1769704369687.5938 }, "end": { "local": "1913-12-03T11:41:10+03:26", "utc": "1913-12-03T08:15:10Z", "ms": -1769701489687.5938 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-12-04", "window": { "start": { "local": "1913-12-04T10:53:34+03:26", "utc": "1913-12-04T07:27:34Z", "ms": -1769617945576.522 }, "end": { "local": "1913-12-04T11:41:34+03:26", "utc": "1913-12-04T08:15:34Z", "ms": -1769615065576.522 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:27 on Wed 3 Dec to 02:58 on Thu 4 Dec.", "fact": "1913-12-02T22:01:47Z → 1913-12-03T23:33:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 3rd, 10:53–11:41 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "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 28456 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Mashhad, 1913: Wednesday 3 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": "1913-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-03", "confidence": "determinate" } ], "quote": "In Mashhad, Campā Ṣaṣṭhī 1913 falls on Wednesday 3 December. Ṣaṣṭhī runs from 01:27 on Wed 3 Dec to 02:58 on Thu 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28456, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1913-12-03T01:27:47+03:26", "utc": "1913-12-02T22:01:47Z", "ms": -1769738293166.7217 }, "end": { "local": "1913-12-04T02:59:19+03:26", "utc": "1913-12-03T23:33:19Z", "ms": -1769646401369.2952 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-03T01:27:47+03:26", "utc": "1913-12-02T22:01:47Z", "ms": -1769738293166.7217 }, "end": { "local": "1913-12-04T02:59:19+03:26", "utc": "1913-12-03T23:33:19Z", "ms": -1769646401369.2952 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-12-03", "window": { "start": { "local": "1913-12-03T10:53:10+03:26", "utc": "1913-12-03T07:27:10Z", "ms": -1769704369687.5938 }, "end": { "local": "1913-12-03T11:41:10+03:26", "utc": "1913-12-03T08:15:10Z", "ms": -1769701489687.5938 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-12-04", "window": { "start": { "local": "1913-12-04T10:53:34+03:26", "utc": "1913-12-04T07:27:34Z", "ms": -1769617945576.522 }, "end": { "local": "1913-12-04T11:41:34+03:26", "utc": "1913-12-04T08:15:34Z", "ms": -1769615065576.522 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:27 on Wed 3 Dec to 02:58 on Thu 4 Dec.", "fact": "1913-12-02T22:01:47Z → 1913-12-03T23:33:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 3rd, 10:53–11:41 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "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 28456 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Mashhad, 1913: Wednesday 3 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": "1913-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-03", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī 1913 falls on Wednesday 3 December. Ṣaṣṭhī runs from 01:27 on Wed 3 Dec to 02:58 on Thu 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20699, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1913-12-04T02:59:19+03:26", "utc": "1913-12-03T23:33:19Z", "ms": -1769646401369.2952 }, "end": { "local": "1913-12-05T05:09:00+03:26", "utc": "1913-12-05T01:43:00Z", "ms": -1769552219945.01 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-04T02:59:19+03:26", "utc": "1913-12-03T23:33:19Z", "ms": -1769646401369.2952 }, "end": { "local": "1913-12-05T05:09:00+03:26", "utc": "1913-12-05T01:43:00Z", "ms": -1769552219945.01 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-12-04", "window": { "start": { "local": "1913-12-04T10:53:34+03:26", "utc": "1913-12-04T07:27:34Z", "ms": -1769617945576.522 }, "end": { "local": "1913-12-04T11:41:34+03:26", "utc": "1913-12-04T08:15:34Z", "ms": -1769615065576.522 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-12-05", "window": { "start": { "local": "1913-12-05T10:53:59+03:26", "utc": "1913-12-05T07:27:59Z", "ms": -1769531520893.0571 }, "end": { "local": "1913-12-05T11:41:59+03:26", "utc": "1913-12-05T08:15:59Z", "ms": -1769528640893.0571 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:58 on Thu 4 Dec to 05:08 on Fri 5 Dec.", "fact": "1913-12-03T23:33:19Z → 1913-12-05T01:43:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 4th, 10:53–11:41 on the 5th.", "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 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 20699 s" }, { "step": "ruling", "text": "Mitra Saptamī, Mashhad, 1913: Thursday 4 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": "1913-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-04", "confidence": "determinate" } ], "quote": "In Mashhad, Mitra Saptamī 1913 falls on Thursday 4 December. Saptamī runs from 02:58 on Thu 4 Dec to 05:08 on Fri 5 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/ekadashi?on=1913-12-09", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23864, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-12-08T13:04:01+03:26", "utc": "1913-12-08T09:38:01Z", "ms": -1769264518826.6042 }, "end": { "local": "1913-12-09T15:18:14+03:26", "utc": "1913-12-09T11:52:14Z", "ms": -1769170065817.9373 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-08T13:04:01+03:26", "utc": "1913-12-08T09:38:01Z", "ms": -1769264518826.6042 }, "end": { "local": "1913-12-09T15:18:14+03:26", "utc": "1913-12-09T11:52:14Z", "ms": -1769170065817.9373 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-12-08", "window": { "start": { "local": "1913-12-08T06:26:17+03:26", "utc": "1913-12-08T03:00:17Z", "ms": -1769288383059.0994 }, "end": { "local": "1913-12-08T06:26:17+03:26", "utc": "1913-12-08T03:00:17Z", "ms": -1769288383059.0994 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1913-12-09", "window": { "start": { "local": "1913-12-09T06:27:06+03:26", "utc": "1913-12-09T03:01:06Z", "ms": -1769201933914.303 }, "end": { "local": "1913-12-09T06:27:06+03:26", "utc": "1913-12-09T03:01:06Z", "ms": -1769201933914.303 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:03 on Mon 8 Dec to 15:17 on Tue 9 Dec.", "fact": "1913-12-08T09:38:01Z → 1913-12-09T11:52:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 8th and 06:26 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 23864 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Mashhad, 1913: Tuesday 9 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1913-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-09", "confidence": "determinate" } ], "quote": "In Mashhad, Mokṣadā Ekādaśī 1913 falls on Tuesday 9 December. Ekādaśī runs from 13:03 on Mon 8 Dec to 15:17 on Tue 9 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12871, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1913-12-09T15:18:14+03:26", "utc": "1913-12-09T11:52:14Z", "ms": -1769170065817.9373 }, "end": { "local": "1913-12-10T17:00:25+03:26", "utc": "1913-12-10T13:34:25Z", "ms": -1769077534918.9148 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-09T15:18:14+03:26", "utc": "1913-12-09T11:52:14Z", "ms": -1769170065817.9373 }, "end": { "local": "1913-12-10T17:00:25+03:26", "utc": "1913-12-10T13:34:25Z", "ms": -1769077534918.9148 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-12-09", "window": { "start": { "local": "1913-12-09T10:55:43+03:26", "utc": "1913-12-09T07:29:43Z", "ms": -1769185816941.7668 }, "end": { "local": "1913-12-09T11:43:43+03:26", "utc": "1913-12-09T08:17:43Z", "ms": -1769182936941.7668 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-12-10", "window": { "start": { "local": "1913-12-10T10:56:10+03:26", "utc": "1913-12-10T07:30:10Z", "ms": -1769099389779.4033 }, "end": { "local": "1913-12-10T11:44:10+03:26", "utc": "1913-12-10T08:18:10Z", "ms": -1769096509779.4033 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:17 on Tue 9 Dec to 16:59 on Wed 10 Dec.", "fact": "1913-12-09T11:52:14Z → 1913-12-10T13:34:25Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12871 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Mashhad, 1913: Wednesday 10 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": "1913-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-10", "confidence": "determinate" } ], "quote": "In Mashhad, Akhaṇḍa Dvādaśī 1913 falls on Wednesday 10 December. Dvādaśī runs from 15:17 on Tue 9 Dec to 16:59 on Wed 10 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/pradosha-vrata?on=1913-12-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-11", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 78, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-12-10T17:00:25+03:26", "utc": "1913-12-10T13:34:25Z", "ms": -1769077534918.9148 }, "end": { "local": "1913-12-11T18:05:32+03:26", "utc": "1913-12-11T14:39:32Z", "ms": -1768987227996.353 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-10T17:00:25+03:26", "utc": "1913-12-10T13:34:25Z", "ms": -1769077534918.9148 }, "end": { "local": "1913-12-11T18:05:32+03:26", "utc": "1913-12-11T14:39:32Z", "ms": -1768987227996.353 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-12-10", "window": { "start": { "local": "1913-12-10T16:12:26+03:26", "utc": "1913-12-10T12:46:26Z", "ms": -1769080413674.3438 }, "end": { "local": "1913-12-10T18:06:36+03:26", "utc": "1913-12-10T14:40:36Z", "ms": -1769073563719.7954 } }, "covered_min": 66, "window_min": 114, "qualifies": true }, { "local_date": "1913-12-11", "window": { "start": { "local": "1913-12-11T16:12:35+03:26", "utc": "1913-12-11T12:46:35Z", "ms": -1768994005385.1904 }, "end": { "local": "1913-12-11T18:06:50+03:26", "utc": "1913-12-11T14:40:50Z", "ms": -1768987150447.3196 } }, "covered_min": 113, "window_min": 114, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:59 on Wed 10 Dec to 18:05 on Thu 11 Dec.", "fact": "1913-12-10T13:34:25Z → 1913-12-11T14:39:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:11–18:06 on the 10th, 16:12–18:06 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 66 of 114 minutes on the 10th and 113 of 114 on the 11th.", "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 78 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 1913: Thursday 11 December.", "fact": "confidence: boundary (margin, 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": "1913-12-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-10", "confidence": "boundary" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 1913 falls on Thursday 11 December. Trayodaśī runs from 16:59 on Wed 10 Dec to 18:05 on Thu 11 Dec and covers 113 of 114 minutes of pradoṣa that evening. It also reaches the previous evening for 66 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 18 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1118, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1913-12-12T18:33:05+03:26", "utc": "1913-12-12T15:07:05Z", "ms": -1768899174892.5 }, "end": { "local": "1913-12-13T18:25:59+03:26", "utc": "1913-12-13T14:59:59Z", "ms": -1768813200798.167 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-12T18:33:05+03:26", "utc": "1913-12-12T15:07:05Z", "ms": -1768899174892.5 }, "end": { "local": "1913-12-13T18:25:59+03:26", "utc": "1913-12-13T14:59:59Z", "ms": -1768813200798.167 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-12-12", "window": { "start": { "local": "1913-12-12T16:12:45+03:26", "utc": "1913-12-12T12:46:45Z", "ms": -1768907595110.8774 }, "end": { "local": "1913-12-12T18:07:04+03:26", "utc": "1913-12-12T14:41:04Z", "ms": -1768900735620.8552 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1913-12-13", "window": { "start": { "local": "1913-12-13T16:12:57+03:26", "utc": "1913-12-13T12:46:57Z", "ms": -1768821182862.129 }, "end": { "local": "1913-12-13T18:07:21+03:26", "utc": "1913-12-13T14:41:21Z", "ms": -1768814319255.3604 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:32 on Fri 12 Dec to 18:25 on Sat 13 Dec.", "fact": "1913-12-12T15:07:05Z → 1913-12-13T14:59:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:12–18:06 on the 12th, 16:12–18:06 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 114 minutes on the 12th and 114 of 114 on the 13th.", "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 1118 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Mashhad, 1913: Saturday 13 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": "1913-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-13", "confidence": "boundary" } ], "quote": "In Mashhad, Dattātreyotpatti (Datta Jayanti) 1913 falls on Saturday 13 December. Pūrṇimā runs from 18:32 on Fri 12 Dec to 18:25 on Sat 13 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/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/1913/sankashta-chaturthi?on=1913-12-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12468, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-12-16T15:30:17+03:26", "utc": "1913-12-16T12:04:17Z", "ms": -1768564543336.4336 }, "end": { "local": "1913-12-17T13:58:51+03:26", "utc": "1913-12-17T10:32:51Z", "ms": -1768483628574.7173 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-16T15:30:17+03:26", "utc": "1913-12-16T12:04:17Z", "ms": -1768564543336.4336 }, "end": { "local": "1913-12-17T13:58:51+03:26", "utc": "1913-12-17T10:32:51Z", "ms": -1768483628574.7173 } }, "kaala": "moonrise", "days": [ { "local_date": "1913-12-16", "window": { "start": { "local": "1913-12-16T18:58:05+03:26", "utc": "1913-12-16T15:32:05Z", "ms": -1768552075156.7705 }, "end": { "local": "1913-12-16T18:58:05+03:26", "utc": "1913-12-16T15:32:05Z", "ms": -1768552075156.7705 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-12-17", "window": { "start": { "local": "1913-12-17T20:09:38+03:26", "utc": "1913-12-17T16:43:38Z", "ms": -1768461381966.5303 }, "end": { "local": "1913-12-17T20:09:38+03:26", "utc": "1913-12-17T16:43:38Z", "ms": -1768461381966.5303 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:29 on Tue 16 Dec to 13:58 on Wed 17 Dec.", "fact": "1913-12-16T12:04:17Z → 1913-12-17T10:32:51Z" }, { "step": "kaala", "text": "Moonrise is at 18:57 on the 16th and 20:09 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "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 12468 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 1913: Tuesday 16 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": "1913-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-16", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1913 falls on Tuesday 16 December. Caturthī runs from 15:29 on Tue 16 Dec to 13:58 on Wed 17 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/sankashta-chaturthi?on=1913-12-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/ekadashi?on=1913-12-23", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14074, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1913-12-23T02:41:44+03:26", "utc": "1913-12-22T23:15:44Z", "ms": -1768005856035.2195 }, "end": { "local": "1913-12-24T00:41:04+03:26", "utc": "1913-12-23T21:15:04Z", "ms": -1767926696255.6653 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-23T02:41:44+03:26", "utc": "1913-12-22T23:15:44Z", "ms": -1768005856035.2195 }, "end": { "local": "1913-12-24T00:41:04+03:26", "utc": "1913-12-23T21:15:04Z", "ms": -1767926696255.6653 } }, "kaala": "sunrise", "days": [ { "local_date": "1913-12-23", "window": { "start": { "local": "1913-12-23T06:36:17+03:26", "utc": "1913-12-23T03:10:17Z", "ms": -1767991782511.396 }, "end": { "local": "1913-12-23T06:36:17+03:26", "utc": "1913-12-23T03:10:17Z", "ms": -1767991782511.396 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1913-12-24", "window": { "start": { "local": "1913-12-24T06:36:45+03:26", "utc": "1913-12-24T03:10:45Z", "ms": -1767905354512.6526 }, "end": { "local": "1913-12-24T06:36:45+03:26", "utc": "1913-12-24T03:10:45Z", "ms": -1767905354512.6526 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:41 on Tue 23 Dec to 00:40 on Wed 24 Dec.", "fact": "1913-12-22T23:15:44Z → 1913-12-23T21:15:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 23rd and 06:36 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14074 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Mashhad, 1913: Tuesday 23 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": "1913-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-23", "confidence": "determinate" } ], "quote": "In Mashhad, Saphalā Ekādaśī 1913 falls on Tuesday 23 December. Ekādaśī runs from 02:41 on Tue 23 Dec to 00:40 on Wed 24 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/1913/ekadashi?on=1913-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/pradosha-vrata?on=1913-12-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10005, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1913-12-24T22:45:07+03:26", "utc": "1913-12-24T19:19:07Z", "ms": -1767847253245.029 }, "end": { "local": "1913-12-25T20:59:15+03:26", "utc": "1913-12-25T17:33:15Z", "ms": -1767767205492.334 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-24T22:45:07+03:26", "utc": "1913-12-24T19:19:07Z", "ms": -1767847253245.029 }, "end": { "local": "1913-12-25T20:59:15+03:26", "utc": "1913-12-25T17:33:15Z", "ms": -1767767205492.334 } }, "kaala": "pradosha", "days": [ { "local_date": "1913-12-24", "window": { "start": { "local": "1913-12-24T16:17:18+03:26", "utc": "1913-12-24T12:51:18Z", "ms": -1767870522469.2803 }, "end": { "local": "1913-12-24T18:11:57+03:26", "utc": "1913-12-24T14:45:57Z", "ms": -1767863643238.2544 } }, "covered_min": 0, "window_min": 115, "qualifies": false }, { "local_date": "1913-12-25", "window": { "start": { "local": "1913-12-25T16:17:52+03:26", "utc": "1913-12-25T12:51:52Z", "ms": -1767784088018.1917 }, "end": { "local": "1913-12-25T18:12:30+03:26", "utc": "1913-12-25T14:46:30Z", "ms": -1767777210111.5632 } }, "covered_min": 115, "window_min": 115, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:44 on Wed 24 Dec to 20:58 on Thu 25 Dec.", "fact": "1913-12-24T19:19:07Z → 1913-12-25T17:33:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:16–18:11 on the 24th, 16:17–18:11 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 115 minutes on the 24th and 115 of 115 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 10005 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1913: Thursday 25 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": "1913-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-25", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1913 falls on Thursday 25 December. Trayodaśī runs from 22:44 on Wed 24 Dec to 20:58 on Thu 25 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/1913/pradosha-vrata?on=1913-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/shivaratri?on=1913-12-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7470, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1913-12-25T20:59:15+03:26", "utc": "1913-12-25T17:33:15Z", "ms": -1767767205492.334 }, "end": { "local": "1913-12-26T19:29:58+03:26", "utc": "1913-12-26T16:03:58Z", "ms": -1767686162209.6377 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-25T20:59:15+03:26", "utc": "1913-12-25T17:33:15Z", "ms": -1767767205492.334 }, "end": { "local": "1913-12-26T19:29:58+03:26", "utc": "1913-12-26T16:03:58Z", "ms": -1767686162209.6377 } }, "kaala": "nishita", "days": [ { "local_date": "1913-12-25", "window": { "start": { "local": "1913-12-25T23:03:44+03:26", "utc": "1913-12-25T19:37:44Z", "ms": -1767759735868.335 }, "end": { "local": "1913-12-25T23:51:44+03:26", "utc": "1913-12-25T20:25:44Z", "ms": -1767756855868.335 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1913-12-26", "window": { "start": { "local": "1913-12-26T23:04:14+03:26", "utc": "1913-12-26T19:38:14Z", "ms": -1767673306458.523 }, "end": { "local": "1913-12-26T23:52:14+03:26", "utc": "1913-12-26T20:26:14Z", "ms": -1767670426458.523 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:58 on Thu 25 Dec to 19:29 on Fri 26 Dec.", "fact": "1913-12-25T17:33:15Z → 1913-12-26T16:03:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:03–23:51 on the 25th, 23:03–23:51 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7470 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 1913: Thursday 25 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": "1913-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-25", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 1913 falls on Thursday 25 December. Caturdaśī runs from 20:58 on Thu 25 Dec to 19:29 on Fri 26 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/1913/shivaratri?on=1913-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-12-31", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 1913, "local_date": "1913-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24087, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1913-12-30T18:35:29+03:26", "utc": "1913-12-30T15:09:29Z", "ms": -1767343830624.6216 }, "end": { "local": "1913-12-31T19:59:59+03:26", "utc": "1913-12-31T16:33:59Z", "ms": -1767252360823.3826 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1913-12-30T18:35:29+03:26", "utc": "1913-12-30T15:09:29Z", "ms": -1767343830624.6216 }, "end": { "local": "1913-12-31T19:59:59+03:26", "utc": "1913-12-31T16:33:59Z", "ms": -1767252360823.3826 } }, "kaala": "madhyahna", "days": [ { "local_date": "1913-12-30", "window": { "start": { "local": "1913-12-30T11:06:02+03:26", "utc": "1913-12-30T07:40:02Z", "ms": -1767370797963.5374 }, "end": { "local": "1913-12-30T11:54:02+03:26", "utc": "1913-12-30T08:28:02Z", "ms": -1767367917963.5374 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1913-12-31", "window": { "start": { "local": "1913-12-31T11:06:31+03:26", "utc": "1913-12-31T07:40:31Z", "ms": -1767284368531.9058 }, "end": { "local": "1913-12-31T11:54:31+03:26", "utc": "1913-12-31T08:28:31Z", "ms": -1767281488531.9058 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:34 on Tue 30 Dec to 19:59 on Wed 31 Dec.", "fact": "1913-12-30T15:09:29Z → 1913-12-31T16:33:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 30th, 11:06–11:54 on the 31st.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24087 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 1913: Wednesday 31 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": "1913-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1913-12-31", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 1913 falls on Wednesday 31 December. Caturthī runs from 18:34 on Tue 30 Dec to 19:59 on Wed 31 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/1913/vinayaka-chaturthi?on=1913-12-31", "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" } }