{ "id": "/mashhad/festivals/2066", "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": 2066, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/mashhad/festivals/2066/ekadashi?on=2066-01-07", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 830, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-01-06T06:29:56+03:30", "utc": "2066-01-06T02:59:56Z", "ms": 3029972395660.7197 }, "end": { "local": "2066-01-07T09:06:56+03:30", "utc": "2066-01-07T05:36:56Z", "ms": 3030068215869.4956 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-01-06T06:29:56+03:30", "utc": "2066-01-06T02:59:56Z", "ms": 3029972395660.7197 }, "end": { "local": "2066-01-07T09:06:56+03:30", "utc": "2066-01-07T05:36:56Z", "ms": 3030068215869.4956 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-01-06", "window": { "start": { "local": "2066-01-06T06:43:45+03:30", "utc": "2066-01-06T03:13:45Z", "ms": 3029973225360.9995 }, "end": { "local": "2066-01-06T06:43:45+03:30", "utc": "2066-01-06T03:13:45Z", "ms": 3029973225360.9995 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-01-07", "window": { "start": { "local": "2066-01-07T06:43:45+03:30", "utc": "2066-01-07T03:13:45Z", "ms": 3030059624594.6597 }, "end": { "local": "2066-01-07T06:43:45+03:30", "utc": "2066-01-07T03:13:45Z", "ms": 3030059624594.6597 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:30 on Wed 6 Jan to 09:07 on Thu 7 Jan.", "fact": "2066-01-06T02:59:56Z → 2066-01-07T05:36:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 6th and 06:44 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is on the 7th.", "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 830 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 2066: Thursday 7 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-07", "confidence": "determinate" } ], "quote": "In Mashhad, Putradā Ekādaśī 2066 falls on Thursday 7 January. Ekādaśī runs from 06:30 on Wed 6 Jan to 09:07 on Thu 7 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-01-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8014, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-01-08T11:47:10+03:30", "utc": "2066-01-08T08:17:10Z", "ms": 3030164229867.2554 }, "end": { "local": "2066-01-09T14:20:37+03:30", "utc": "2066-01-09T10:50:37Z", "ms": 3030259836649.455 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-01-08T11:47:10+03:30", "utc": "2066-01-08T08:17:10Z", "ms": 3030164229867.2554 }, "end": { "local": "2066-01-09T14:20:37+03:30", "utc": "2066-01-09T10:50:37Z", "ms": 3030259836649.455 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-01-08", "window": { "start": { "local": "2066-01-08T16:33:15+03:30", "utc": "2066-01-08T13:03:15Z", "ms": 3030181395391.534 }, "end": { "local": "2066-01-08T18:26:38+03:30", "utc": "2066-01-08T14:56:38Z", "ms": 3030188198282.219 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "2066-01-09", "window": { "start": { "local": "2066-01-09T16:34:10+03:30", "utc": "2066-01-09T13:04:10Z", "ms": 3030267850376.561 }, "end": { "local": "2066-01-09T18:27:25+03:30", "utc": "2066-01-09T14:57:25Z", "ms": 3030274645035.6094 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:47 on Fri 8 Jan to 14:21 on Sat 9 Jan.", "fact": "2066-01-08T08:17:10Z → 2066-01-09T10:50:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:33–18:27 on the 8th, 16:34–18:27 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 113 of 113 minutes on the 8th and 0 of 113 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8014 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Friday 8 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": "2066-01-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-08", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Friday 8 January. Trayodaśī runs from 11:47 on Fri 8 Jan to 14:21 on Sat 9 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-01-08", "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/2066/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9441, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-02-13T08:16:49+03:30", "utc": "2066-02-13T04:46:49Z", "ms": 3033262009077.013 } }, "span": { "of": "transit", "start": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 } }, "kaala": "sunset-day", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-13T16:37:59+03:30", "utc": "2066-01-13T13:07:59Z", "ms": 3030613678575.31 }, "end": { "local": "2066-01-14T16:38:57+03:30", "utc": "2066-01-14T13:08:57Z", "ms": 3030700137464.5337 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-14T16:38:57+03:30", "utc": "2066-01-14T13:08:57Z", "ms": 3030700137464.5337 }, "end": { "local": "2066-01-15T16:39:57+03:30", "utc": "2066-01-15T13:09:57Z", "ms": 3030786597001.93 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2066-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 19:16 on Thu 14 Jan.", "fact": "2066-01-14T15:46:18Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 16:39, and the day of the 15th ends at 16:40.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 9441 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Mashhad, 2066: Thursday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2066-01-13", "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": "2066-01-13", "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, Bhogi 2066 falls on Thursday 14 January. It is kept the day before Pongal, which falls on Friday 15 January. The Sun enters Makara at 19:16 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17022, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-02-13T08:16:49+03:30", "utc": "2066-02-13T04:46:49Z", "ms": 3033262009077.013 } }, "span": { "of": "transit", "start": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 } }, "kaala": "civil-day", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-14T00:00:00+03:30", "utc": "2066-01-13T20:30:00Z", "ms": 3030640200000 }, "end": { "local": "2066-01-15T00:00:00+03:30", "utc": "2066-01-14T20:30:00Z", "ms": 3030726600000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-15T00:00:00+03:30", "utc": "2066-01-14T20:30:00Z", "ms": 3030726600000 }, "end": { "local": "2066-01-16T00:00:00+03:30", "utc": "2066-01-15T20:30:00Z", "ms": 3030813000000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 19:16 on Thu 14 Jan.", "fact": "2066-01-14T15:46:18Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Mashhad.", "fact": "civil-day: midnight-to-midnight · Asia/Tehran" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 17022 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Mashhad, 2066: Thursday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2066-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2066-01-15", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Mashhad, Makara Saṅkrānti 2066 falls on Thursday 14 January. The Sun enters Makara at 19:16 on Thu 14 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 January.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9441, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-02-13T08:16:49+03:30", "utc": "2066-02-13T04:46:49Z", "ms": 3033262009077.013 } }, "span": { "of": "transit", "start": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 } }, "kaala": "sunset-day", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-13T16:37:59+03:30", "utc": "2066-01-13T13:07:59Z", "ms": 3030613678575.31 }, "end": { "local": "2066-01-14T16:38:57+03:30", "utc": "2066-01-14T13:08:57Z", "ms": 3030700137464.5337 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-14T16:38:57+03:30", "utc": "2066-01-14T13:08:57Z", "ms": 3030700137464.5337 }, "end": { "local": "2066-01-15T16:39:57+03:30", "utc": "2066-01-15T13:09:57Z", "ms": 3030786597001.93 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 19:16 on Thu 14 Jan.", "fact": "2066-01-14T15:46:18Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 16:39, and the day of the 15th ends at 16:40.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 9441 s" }, { "step": "ruling", "text": "Pongal, Mashhad, 2066: Friday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2066-01-14", "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": "2066-01-14", "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, Pongal 2066 falls on Friday 15 January. The Sun enters Makara at 19:16 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-01-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6071, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-01-14T22:02:46+03:30", "utc": "2066-01-14T18:32:46Z", "ms": 3030719566423.7407 }, "end": { "local": "2066-01-15T22:16:01+03:30", "utc": "2066-01-15T18:46:01Z", "ms": 3030806761423.198 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-14T22:02:46+03:30", "utc": "2066-01-14T18:32:46Z", "ms": 3030719566423.7407 }, "end": { "local": "2066-01-15T22:16:01+03:30", "utc": "2066-01-15T18:46:01Z", "ms": 3030806761423.198 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-14T19:33:06+03:30", "utc": "2066-01-14T16:03:06Z", "ms": 3030710586471.9443 }, "end": { "local": "2066-01-14T19:33:06+03:30", "utc": "2066-01-14T16:03:06Z", "ms": 3030710586471.9443 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-15T20:34:50+03:30", "utc": "2066-01-15T17:04:50Z", "ms": 3030800690286.006 }, "end": { "local": "2066-01-15T20:34:50+03:30", "utc": "2066-01-15T17:04:50Z", "ms": 3030800690286.006 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:03 on Thu 14 Jan to 22:16 on Fri 15 Jan.", "fact": "2066-01-14T18:32:46Z → 2066-01-15T18:46:01Z" }, { "step": "kaala", "text": "Moonrise is at 19:33 on the 14th and 20:35 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6071 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Friday 15 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": "2066-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-15", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Friday 15 January. Caturthī runs from 22:03 on Thu 14 Jan to 22:16 on Fri 15 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9441, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-02-13T08:16:49+03:30", "utc": "2066-02-13T04:46:49Z", "ms": 3033262009077.013 } }, "span": { "of": "transit", "start": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 }, "end": { "local": "2066-01-14T19:16:18+03:30", "utc": "2066-01-14T15:46:18Z", "ms": 3030709578224.612 } }, "kaala": "sunset-day", "days": [ { "local_date": "2066-01-14", "window": { "start": { "local": "2066-01-13T16:37:59+03:30", "utc": "2066-01-13T13:07:59Z", "ms": 3030613678575.31 }, "end": { "local": "2066-01-14T16:38:57+03:30", "utc": "2066-01-14T13:08:57Z", "ms": 3030700137464.5337 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2066-01-15", "window": { "start": { "local": "2066-01-14T16:38:57+03:30", "utc": "2066-01-14T13:08:57Z", "ms": 3030700137464.5337 }, "end": { "local": "2066-01-15T16:39:57+03:30", "utc": "2066-01-15T13:09:57Z", "ms": 3030786597001.93 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2066-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 19:16 on Thu 14 Jan.", "fact": "2066-01-14T15:46:18Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 16:39, and the day of the 15th ends at 16:40.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 9441 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Mashhad, 2066: Saturday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2066-01-15", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2066-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Mashhad, Mattu Pongal 2066 falls on Saturday 16 January. It is kept the day after Pongal, which falls on Friday 15 January. The Sun enters Makara at 19:16 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-01-22", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16499, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-01-21T13:56:46+03:30", "utc": "2066-01-21T10:26:46Z", "ms": 3031295205933.834 }, "end": { "local": "2066-01-22T11:14:36+03:30", "utc": "2066-01-22T07:44:36Z", "ms": 3031371876257.4385 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-21T13:56:46+03:30", "utc": "2066-01-21T10:26:46Z", "ms": 3031295205933.834 }, "end": { "local": "2066-01-22T11:14:36+03:30", "utc": "2066-01-22T07:44:36Z", "ms": 3031371876257.4385 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-01-21", "window": { "start": { "local": "2066-01-21T06:40:07+03:30", "utc": "2066-01-21T03:10:07Z", "ms": 3031269007104.898 }, "end": { "local": "2066-01-21T06:40:07+03:30", "utc": "2066-01-21T03:10:07Z", "ms": 3031269007104.898 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-01-22", "window": { "start": { "local": "2066-01-22T06:39:37+03:30", "utc": "2066-01-22T03:09:37Z", "ms": 3031355377269.274 }, "end": { "local": "2066-01-22T06:39:37+03:30", "utc": "2066-01-22T03:09:37Z", "ms": 3031355377269.274 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:57 on Thu 21 Jan to 11:15 on Fri 22 Jan.", "fact": "2066-01-21T10:26:46Z → 2066-01-22T07:44:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 21st and 06:40 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16499 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Mashhad, 2066: Friday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-22", "confidence": "determinate" } ], "quote": "In Mashhad, Ṣaṭtilā Ekādaśī 2066 falls on Friday 22 January. Ekādaśī runs from 13:57 on Thu 21 Jan to 11:15 on Fri 22 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-01-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30420, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-01-23T08:21:12+03:30", "utc": "2066-01-23T04:51:12Z", "ms": 3031447871825.181 }, "end": { "local": "2066-01-24T05:23:16+03:30", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-23T08:21:12+03:30", "utc": "2066-01-23T04:51:12Z", "ms": 3031447871825.181 }, "end": { "local": "2066-01-24T05:23:16+03:30", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-01-23", "window": { "start": { "local": "2066-01-23T16:48:11+03:30", "utc": "2066-01-23T13:18:11Z", "ms": 3031478291464.1367 }, "end": { "local": "2066-01-23T18:38:54+03:30", "utc": "2066-01-23T15:08:54Z", "ms": 3031484934223.878 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "2066-01-24", "window": { "start": { "local": "2066-01-24T16:49:15+03:30", "utc": "2066-01-24T13:19:15Z", "ms": 3031564754879.453 }, "end": { "local": "2066-01-24T18:39:44+03:30", "utc": "2066-01-24T15:09:44Z", "ms": 3031571384486.022 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:21 on Sat 23 Jan to 05:23 on Sun 24 Jan.", "fact": "2066-01-23T04:51:12Z → 2066-01-24T01:53:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:48–18:39 on the 23rd, 16:49–18:40 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 23rd and 0 of 110 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30420 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Saturday 23 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": "2066-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-23", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Saturday 23 January. Trayodaśī runs from 08:21 on Sat 23 Jan to 05:23 on Sun 24 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-01-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2127, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-01-24T05:23:16+03:30", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "end": { "local": "2066-01-25T02:28:25+03:30", "utc": "2066-01-24T22:58:25Z", "ms": 3031599505193.728 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-24T05:23:16+03:30", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "end": { "local": "2066-01-25T02:28:25+03:30", "utc": "2066-01-24T22:58:25Z", "ms": 3031599505193.728 } }, "kaala": "arunodaya", "days": [ { "local_date": "2066-01-24", "window": { "start": { "local": "2066-01-24T04:47:49+03:30", "utc": "2066-01-24T01:17:49Z", "ms": 3031521469402.454 }, "end": { "local": "2066-01-24T06:38:32+03:30", "utc": "2066-01-24T03:08:32Z", "ms": 3031528112162.1953 } }, "covered_min": 75, "window_min": 111, "qualifies": true }, { "local_date": "2066-01-25", "window": { "start": { "local": "2066-01-25T04:47:27+03:30", "utc": "2066-01-25T01:17:27Z", "ms": 3031607847322.1494 }, "end": { "local": "2066-01-25T06:37:57+03:30", "utc": "2066-01-25T03:07:57Z", "ms": 3031614476928.7183 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:23 on Sun 24 Jan to 02:28 on Mon 25 Jan.", "fact": "2066-01-24T01:53:16Z → 2066-01-24T22:58:25Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:48–06:39 on the 24th, 04:47–06:38 on the 25th.", "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 75 of 111 minutes on the 24th and 0 of 110 on the 25th.", "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 2127 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Mashhad, 2066: Sunday 24 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-24", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Tarpaṇa 2066 falls on Sunday 24 January. Caturdaśī runs from 05:23 on Sun 24 Jan to 02:28 on Mon 25 Jan and covers 75 of 111 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/shivaratri?on=2066-01-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8449, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-01-24T05:23:16+03:30", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "end": { "local": "2066-01-25T02:28:25+03:30", "utc": "2066-01-24T22:58:25Z", "ms": 3031599505193.728 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-24T05:23:16+03:30", "utc": "2066-01-24T01:53:16Z", "ms": 3031523596214.6313 }, "end": { "local": "2066-01-25T02:28:25+03:30", "utc": "2066-01-24T22:58:25Z", "ms": 3031599505193.728 } }, "kaala": "nishita", "days": [ { "local_date": "2066-01-23", "window": { "start": { "local": "2066-01-23T23:19:22+03:30", "utc": "2066-01-23T19:49:22Z", "ms": 3031501761813.166 }, "end": { "local": "2066-01-24T00:07:22+03:30", "utc": "2066-01-23T20:37:22Z", "ms": 3031504641813.166 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-01-24", "window": { "start": { "local": "2066-01-24T23:19:36+03:30", "utc": "2066-01-24T19:49:36Z", "ms": 3031588175904.086 }, "end": { "local": "2066-01-25T00:07:36+03:30", "utc": "2066-01-24T20:37:36Z", "ms": 3031591055904.086 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:23 on Sun 24 Jan to 02:28 on Mon 25 Jan.", "fact": "2066-01-24T01:53:16Z → 2066-01-24T22:58:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:19–00:07 on the 23rd, 23:20–00:08 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8449 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Sunday 24 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": "2066-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-24", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Sunday 24 January. Caturdaśī runs from 05:23 on Sun 24 Jan to 02:28 on Mon 25 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-01-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2107, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-01-28T18:06:36+03:30", "utc": "2066-01-28T14:36:36Z", "ms": 3031914996145.553 }, "end": { "local": "2066-01-29T17:29:42+03:30", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-28T18:06:36+03:30", "utc": "2066-01-28T14:36:36Z", "ms": 3031914996145.553 }, "end": { "local": "2066-01-29T17:29:42+03:30", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-01-28", "window": { "start": { "local": "2066-01-28T16:53:30+03:30", "utc": "2066-01-28T13:23:30Z", "ms": 3031910610170.1294 }, "end": { "local": "2066-01-28T18:43:05+03:30", "utc": "2066-01-28T15:13:05Z", "ms": 3031917184626.3525 } }, "covered_min": 36, "window_min": 110, "qualifies": true }, { "local_date": "2066-01-29", "window": { "start": { "local": "2066-01-29T16:54:34+03:30", "utc": "2066-01-29T13:24:34Z", "ms": 3031997074195.58 }, "end": { "local": "2066-01-29T18:43:54+03:30", "utc": "2066-01-29T15:13:54Z", "ms": 3032003634271.8687 } }, "covered_min": 35, "window_min": 109, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:07 on Thu 28 Jan to 17:30 on Fri 29 Jan.", "fact": "2066-01-28T14:36:36Z → 2066-01-29T13:59:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:54–18:43 on the 28th, 16:55–18:44 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 36 of 110 minutes on the 28th and 35 of 109 on the 29th.", "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 2107 s" }, { "step": "ruling", "text": "Tila Caturthī, Mashhad, 2066: Thursday 28 January.", "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": "2066-01-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-28", "confidence": "boundary" } ], "quote": "In Mashhad, Tila Caturthī 2066 falls on Thursday 28 January. Caturthī runs from 18:07 on Thu 28 Jan to 17:30 on Fri 29 Jan and covers 36 of 110 minutes of pradoṣa that evening. It also reaches the next evening for 35 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/2066/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/2066/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19245, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-01-28T18:06:36+03:30", "utc": "2066-01-28T14:36:36Z", "ms": 3031914996145.553 }, "end": { "local": "2066-01-29T17:29:42+03:30", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-28T18:06:36+03:30", "utc": "2066-01-28T14:36:36Z", "ms": 3031914996145.553 }, "end": { "local": "2066-01-29T17:29:42+03:30", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-01-28", "window": { "start": { "local": "2066-01-28T11:20:45+03:30", "utc": "2066-01-28T07:50:45Z", "ms": 3031890645456.907 }, "end": { "local": "2066-01-28T12:08:45+03:30", "utc": "2066-01-28T08:38:45Z", "ms": 3031893525456.907 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-01-29", "window": { "start": { "local": "2066-01-29T11:20:56+03:30", "utc": "2066-01-29T07:50:56Z", "ms": 3031977056393.6924 }, "end": { "local": "2066-01-29T12:08:56+03:30", "utc": "2066-01-29T08:38:56Z", "ms": 3031979936393.6924 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:07 on Thu 28 Jan to 17:30 on Fri 29 Jan.", "fact": "2066-01-28T14:36:36Z → 2066-01-29T13:59:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 28th, 11:21–12:09 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19245 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Mashhad, 2066: Friday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-29", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2066 falls on Friday 29 January. Caturthī runs from 18:07 on Thu 28 Jan to 17:30 on Fri 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19245, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-01-29T17:29:42+03:30", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "end": { "local": "2066-01-30T17:38:55+03:30", "utc": "2066-01-30T14:08:55Z", "ms": 3032086135304.1084 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-29T17:29:42+03:30", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "end": { "local": "2066-01-30T17:38:55+03:30", "utc": "2066-01-30T14:08:55Z", "ms": 3032086135304.1084 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-01-29", "window": { "start": { "local": "2066-01-29T11:20:56+03:30", "utc": "2066-01-29T07:50:56Z", "ms": 3031977056393.6924 }, "end": { "local": "2066-01-29T12:08:56+03:30", "utc": "2066-01-29T08:38:56Z", "ms": 3031979936393.6924 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-01-30", "window": { "start": { "local": "2066-01-30T11:21:06+03:30", "utc": "2066-01-30T07:51:06Z", "ms": 3032063466498.134 }, "end": { "local": "2066-01-30T12:09:06+03:30", "utc": "2066-01-30T08:39:06Z", "ms": 3032066346498.134 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:30 on Fri 29 Jan to 17:39 on Sat 30 Jan.", "fact": "2066-01-29T13:59:42Z → 2066-01-30T14:08:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 29th, 11:21–12:09 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19245 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Mashhad, 2066: Saturday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-30", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Pañcamī 2066 falls on Saturday 30 January. Pañcamī runs from 17:30 on Fri 29 Jan to 17:39 on Sat 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19245, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-01-29T17:29:42+03:30", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "end": { "local": "2066-01-30T17:38:55+03:30", "utc": "2066-01-30T14:08:55Z", "ms": 3032086135304.1084 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-29T17:29:42+03:30", "utc": "2066-01-29T13:59:42Z", "ms": 3031999181657.7812 }, "end": { "local": "2066-01-30T17:38:55+03:30", "utc": "2066-01-30T14:08:55Z", "ms": 3032086135304.1084 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-01-29", "window": { "start": { "local": "2066-01-29T11:20:56+03:30", "utc": "2066-01-29T07:50:56Z", "ms": 3031977056393.6924 }, "end": { "local": "2066-01-29T12:08:56+03:30", "utc": "2066-01-29T08:38:56Z", "ms": 3031979936393.6924 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-01-30", "window": { "start": { "local": "2066-01-30T11:21:06+03:30", "utc": "2066-01-30T07:51:06Z", "ms": 3032063466498.134 }, "end": { "local": "2066-01-30T12:09:06+03:30", "utc": "2066-01-30T08:39:06Z", "ms": 3032066346498.134 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:30 on Fri 29 Jan to 17:39 on Sat 30 Jan.", "fact": "2066-01-29T13:59:42Z → 2066-01-30T14:08:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 29th, 11:21–12:09 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19245 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Mashhad, 2066: Saturday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-01-30", "confidence": "determinate" } ], "quote": "In Mashhad, Vasanta Pañcamī 2066 falls on Saturday 30 January. Pañcamī runs from 17:30 on Fri 29 Jan to 17:39 on Sat 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30665, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-01-31T18:34:33+03:30", "utc": "2066-01-31T15:04:33Z", "ms": 3032175873356.4805 }, "end": { "local": "2066-02-01T20:12:33+03:30", "utc": "2066-02-01T16:42:33Z", "ms": 3032268152799.925 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-01-31T18:34:33+03:30", "utc": "2066-01-31T15:04:33Z", "ms": 3032175873356.4805 }, "end": { "local": "2066-02-01T20:12:33+03:30", "utc": "2066-02-01T16:42:33Z", "ms": 3032268152799.925 } }, "kaala": "arunodaya", "days": [ { "local_date": "2066-02-01", "window": { "start": { "local": "2066-02-01T04:44:12+03:30", "utc": "2066-02-01T01:14:12Z", "ms": 3032212451546.1665 }, "end": { "local": "2066-02-01T06:33:02+03:30", "utc": "2066-02-01T03:03:02Z", "ms": 3032218982209.2153 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2066-02-02", "window": { "start": { "local": "2066-02-02T04:43:38+03:30", "utc": "2066-02-02T01:13:38Z", "ms": 3032298817885.377 }, "end": { "local": "2066-02-02T06:32:14+03:30", "utc": "2066-02-02T03:02:14Z", "ms": 3032305333531.014 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:35 on Sun 31 Jan to 20:13 on Mon 1 Feb.", "fact": "2066-01-31T15:04:33Z → 2066-02-01T16:42:33Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:44–06:33 on the 1st, 04:44–06:32 on the 2nd.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 109 of 109 minutes on the 1st and 0 of 109 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30665 s" }, { "step": "ruling", "text": "Ratha Saptamī, Mashhad, 2066: Monday 1 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": "2066-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-01", "confidence": "determinate" } ], "quote": "In Mashhad, Ratha Saptamī 2066 falls on Monday 1 February. Saptamī runs from 18:35 on Sun 31 Jan to 20:13 on Mon 1 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-02-05", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1087, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-02-05T03:37:45+03:30", "utc": "2066-02-05T00:07:45Z", "ms": 3032554065036.5103 }, "end": { "local": "2066-02-06T06:10:36+03:30", "utc": "2066-02-06T02:40:36Z", "ms": 3032649636440.4907 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-02-05T03:37:45+03:30", "utc": "2066-02-05T00:07:45Z", "ms": 3032554065036.5103 }, "end": { "local": "2066-02-06T06:10:36+03:30", "utc": "2066-02-06T02:40:36Z", "ms": 3032649636440.4907 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-02-05", "window": { "start": { "local": "2066-02-05T06:29:38+03:30", "utc": "2066-02-05T02:59:38Z", "ms": 3032564378258.379 }, "end": { "local": "2066-02-05T06:29:38+03:30", "utc": "2066-02-05T02:59:38Z", "ms": 3032564378258.379 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-02-06", "window": { "start": { "local": "2066-02-06T06:28:44+03:30", "utc": "2066-02-06T02:58:44Z", "ms": 3032650723525.1343 }, "end": { "local": "2066-02-06T06:28:44+03:30", "utc": "2066-02-06T02:58:44Z", "ms": 3032650723525.1343 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:38 on Fri 5 Feb to 06:11 on Sat 6 Feb.", "fact": "2066-02-05T00:07:45Z → 2066-02-06T02:40:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 5th and 06:29 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1087 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Mashhad, 2066: Friday 5 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": "2066-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-05", "confidence": "determinate" } ], "quote": "In Mashhad, Jayā Ekādaśī 2066 falls on Friday 5 February. Ekādaśī runs from 03:38 on Fri 5 Feb to 06:11 on Sat 6 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-02-05", "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/2066/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10680, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-02-06T06:10:36+03:30", "utc": "2066-02-06T02:40:36Z", "ms": 3032649636440.4907 }, "end": { "local": "2066-02-07T08:23:57+03:30", "utc": "2066-02-07T04:53:57Z", "ms": 3032744037053.84 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-02-06T06:10:36+03:30", "utc": "2066-02-06T02:40:36Z", "ms": 3032649636440.4907 }, "end": { "local": "2066-02-07T08:23:57+03:30", "utc": "2066-02-07T04:53:57Z", "ms": 3032744037053.84 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-02-06", "window": { "start": { "local": "2066-02-06T11:21:54+03:30", "utc": "2066-02-06T07:51:54Z", "ms": 3032668313865.831 }, "end": { "local": "2066-02-06T12:09:54+03:30", "utc": "2066-02-06T08:39:54Z", "ms": 3032671193865.831 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-02-07", "window": { "start": { "local": "2066-02-07T11:21:57+03:30", "utc": "2066-02-07T07:51:57Z", "ms": 3032754717332.2905 }, "end": { "local": "2066-02-07T12:09:57+03:30", "utc": "2066-02-07T08:39:57Z", "ms": 3032757597332.2905 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:11 on Sat 6 Feb to 08:24 on Sun 7 Feb.", "fact": "2066-02-06T02:40:36Z → 2066-02-07T04:53:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 6th, 11:22–12:10 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10680 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Mashhad, 2066: Saturday 6 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": "2066-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-06", "confidence": "determinate" } ], "quote": "In Mashhad, Bhīṣma Dvādaśī 2066 falls on Saturday 6 February. Dvādaśī runs from 06:11 on Sat 6 Feb to 08:24 on Sun 7 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/pradosha-vrata?on=2066-02-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24962, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-02-07T08:23:57+03:30", "utc": "2066-02-07T04:53:57Z", "ms": 3032744037053.84 }, "end": { "local": "2066-02-08T10:09:08+03:30", "utc": "2066-02-08T06:39:08Z", "ms": 3032836747714.828 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-02-07T08:23:57+03:30", "utc": "2066-02-07T04:53:57Z", "ms": 3032744037053.84 }, "end": { "local": "2066-02-08T10:09:08+03:30", "utc": "2066-02-08T06:39:08Z", "ms": 3032836747714.828 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-02-07", "window": { "start": { "local": "2066-02-07T17:04:07+03:30", "utc": "2066-02-07T13:34:07Z", "ms": 3032775247307.2515 }, "end": { "local": "2066-02-07T18:51:09+03:30", "utc": "2066-02-07T15:21:09Z", "ms": 3032781668971.31 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2066-02-08", "window": { "start": { "local": "2066-02-08T17:05:10+03:30", "utc": "2066-02-08T13:35:10Z", "ms": 3032861710198.5054 }, "end": { "local": "2066-02-08T18:51:56+03:30", "utc": "2066-02-08T15:21:56Z", "ms": 3032868115618.6196 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:24 on Sun 7 Feb to 10:09 on Mon 8 Feb.", "fact": "2066-02-07T04:53:57Z → 2066-02-08T06:39:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:04–18:51 on the 7th, 17:05–18:52 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 7th and 0 of 107 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24962 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Sunday 7 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": "2066-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-07", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Sunday 7 February. Trayodaśī runs from 08:24 on Sun 7 Feb to 10:09 on Mon 8 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-02-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-10", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 38, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-02-09T11:21:24+03:30", "utc": "2066-02-09T07:51:24Z", "ms": 3032927483941.0425 }, "end": { "local": "2066-02-10T11:59:33+03:30", "utc": "2066-02-10T08:29:33Z", "ms": 3033016173401.829 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2066-02-09T11:21:24+03:30", "utc": "2066-02-09T07:51:24Z", "ms": 3032927483941.0425 }, "end": { "local": "2066-02-10T11:59:33+03:30", "utc": "2066-02-10T08:29:33Z", "ms": 3033016173401.829 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-02-09", "window": { "start": { "local": "2066-02-09T11:22:02+03:30", "utc": "2066-02-09T07:52:02Z", "ms": 3032927521857.92 }, "end": { "local": "2066-02-09T12:10:02+03:30", "utc": "2066-02-09T08:40:02Z", "ms": 3032930401857.92 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-02-10", "window": { "start": { "local": "2066-02-10T11:22:03+03:30", "utc": "2066-02-10T07:52:03Z", "ms": 3033013922937.628 }, "end": { "local": "2066-02-10T12:10:03+03:30", "utc": "2066-02-10T08:40:03Z", "ms": 3033016802937.628 } }, "covered_min": 38, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:21 on Tue 9 Feb to 12:00 on Wed 10 Feb.", "fact": "2066-02-09T07:51:24Z → 2066-02-10T08:29:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 9th, 11:22–12:10 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 38 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 38 s < 300 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Mashhad, 2066: Wednesday 10 February.", "fact": "confidence: boundary (margin)" } ], "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": "2066-02-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-10", "confidence": "determinate" } ], "quote": "In Mashhad, Māghī Pūrṇimā 2066 falls on Wednesday 10 February. Pūrṇimā runs from 11:21 on Tue 9 Feb to 12:00 on Wed 10 Feb and covers 38 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 0 min 38 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-02-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34921, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-02-13T10:52:20+03:30", "utc": "2066-02-13T07:22:20Z", "ms": 3033271340118.2544 }, "end": { "local": "2066-02-14T09:42:26+03:30", "utc": "2066-02-14T06:12:26Z", "ms": 3033353545843.996 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-13T10:52:20+03:30", "utc": "2066-02-13T07:22:20Z", "ms": 3033271340118.2544 }, "end": { "local": "2066-02-14T09:42:26+03:30", "utc": "2066-02-14T06:12:26Z", "ms": 3033353545843.996 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-02-13", "window": { "start": { "local": "2066-02-13T20:34:21+03:30", "utc": "2066-02-13T17:04:21Z", "ms": 3033306260970.369 }, "end": { "local": "2066-02-13T20:34:21+03:30", "utc": "2066-02-13T17:04:21Z", "ms": 3033306260970.369 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-02-14", "window": { "start": { "local": "2066-02-14T21:40:56+03:30", "utc": "2066-02-14T18:10:56Z", "ms": 3033396655766.1357 }, "end": { "local": "2066-02-14T21:40:56+03:30", "utc": "2066-02-14T18:10:56Z", "ms": 3033396655766.1357 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:52 on Sat 13 Feb to 09:42 on Sun 14 Feb.", "fact": "2066-02-13T07:22:20Z → 2066-02-14T06:12:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:34 on the 13th and 21:41 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34921 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Saturday 13 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": "2066-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-13", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Saturday 13 February. Caturthī runs from 10:52 on Sat 13 Feb to 09:42 on Sun 14 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-02-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ekadashi?on=2066-02-20", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28179, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-02-19T22:24:03+03:30", "utc": "2066-02-19T18:54:03Z", "ms": 3033831243333.922 }, "end": { "local": "2066-02-20T20:10:02+03:30", "utc": "2066-02-20T16:40:02Z", "ms": 3033909602101.8794 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-19T22:24:03+03:30", "utc": "2066-02-19T18:54:03Z", "ms": 3033831243333.922 }, "end": { "local": "2066-02-20T20:10:02+03:30", "utc": "2066-02-20T16:40:02Z", "ms": 3033909602101.8794 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-02-20", "window": { "start": { "local": "2066-02-20T06:13:42+03:30", "utc": "2066-02-20T02:43:42Z", "ms": 3033859421903.74 }, "end": { "local": "2066-02-20T06:13:42+03:30", "utc": "2066-02-20T02:43:42Z", "ms": 3033859421903.74 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-02-21", "window": { "start": { "local": "2066-02-21T06:12:29+03:30", "utc": "2066-02-21T02:42:29Z", "ms": 3033945749187.486 }, "end": { "local": "2066-02-21T06:12:29+03:30", "utc": "2066-02-21T02:42:29Z", "ms": 3033945749187.486 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:24 on Fri 19 Feb to 20:10 on Sat 20 Feb.", "fact": "2066-02-19T18:54:03Z → 2066-02-20T16:40:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 20th and 06:12 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28179 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Mashhad, 2066: Saturday 20 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": "2066-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-20", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Ekādaśī 2066 falls on Saturday 20 February. Ekādaśī runs from 22:24 on Fri 19 Feb to 20:10 on Sat 20 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-02-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2350, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-02-21T17:57:34+03:30", "utc": "2066-02-21T14:27:34Z", "ms": 3033988054323.2837 }, "end": { "local": "2066-02-22T15:51:20+03:30", "utc": "2066-02-22T12:21:20Z", "ms": 3034066880481.043 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-21T17:57:34+03:30", "utc": "2066-02-21T14:27:34Z", "ms": 3033988054323.2837 }, "end": { "local": "2066-02-22T15:51:20+03:30", "utc": "2066-02-22T12:21:20Z", "ms": 3034066880481.043 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-02-21", "window": { "start": { "local": "2066-02-21T17:18:24+03:30", "utc": "2066-02-21T13:48:24Z", "ms": 3033985704473.886 }, "end": { "local": "2066-02-21T19:01:27+03:30", "utc": "2066-02-21T15:31:27Z", "ms": 3033991887282.3525 } }, "covered_min": 64, "window_min": 103, "qualifies": true }, { "local_date": "2066-02-22", "window": { "start": { "local": "2066-02-22T17:19:24+03:30", "utc": "2066-02-22T13:49:24Z", "ms": 3034072163549.4365 }, "end": { "local": "2066-02-22T19:02:09+03:30", "utc": "2066-02-22T15:32:09Z", "ms": 3034078328540.6235 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:58 on Sun 21 Feb to 15:51 on Mon 22 Feb.", "fact": "2066-02-21T14:27:34Z → 2066-02-22T12:21:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:01 on the 21st, 17:19–19:02 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 64 of 103 minutes on the 21st and 0 of 103 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2350 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Sunday 21 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": "2066-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-21", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Sunday 21 February. Trayodaśī runs from 17:58 on Sun 21 Feb to 15:51 on Mon 22 Feb and covers 64 of 103 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-02-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26962, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-02-22T15:51:20+03:30", "utc": "2066-02-22T12:21:20Z", "ms": 3034066880481.043 }, "end": { "local": "2066-02-23T13:57:04+03:30", "utc": "2066-02-23T10:27:04Z", "ms": 3034146424495.6597 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-22T15:51:20+03:30", "utc": "2066-02-22T12:21:20Z", "ms": 3034066880481.043 }, "end": { "local": "2066-02-23T13:57:04+03:30", "utc": "2066-02-23T10:27:04Z", "ms": 3034146424495.6597 } }, "kaala": "nishita", "days": [ { "local_date": "2066-02-22", "window": { "start": { "local": "2066-02-22T23:20:42+03:30", "utc": "2066-02-22T19:50:42Z", "ms": 3034093842266.3877 }, "end": { "local": "2066-02-23T00:08:42+03:30", "utc": "2066-02-22T20:38:42Z", "ms": 3034096722266.3877 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-02-23", "window": { "start": { "local": "2066-02-23T23:20:34+03:30", "utc": "2066-02-23T19:50:34Z", "ms": 3034180233928.907 }, "end": { "local": "2066-02-24T00:08:34+03:30", "utc": "2066-02-23T20:38:34Z", "ms": 3034183113928.907 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:51 on Mon 22 Feb to 13:57 on Tue 23 Feb.", "fact": "2066-02-22T12:21:20Z → 2066-02-23T10:27:04Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:21–00:09 on the 22nd, 23:21–00:09 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 26962 s" }, { "step": "ruling", "text": "Mahāśivarātri, Mashhad, 2066: Monday 22 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-22", "confidence": "determinate" } ], "quote": "In Mashhad, Mahāśivarātri 2066 falls on Monday 22 February. Caturdaśī runs from 15:51 on Mon 22 Feb to 13:57 on Tue 23 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-02-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 343, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-02-27T10:33:23+03:30", "utc": "2066-02-27T07:03:23Z", "ms": 3034479803058.9995 }, "end": { "local": "2066-02-28T11:14:41+03:30", "utc": "2066-02-28T07:44:41Z", "ms": 3034568680878.1006 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-02-27T10:33:23+03:30", "utc": "2066-02-27T07:03:23Z", "ms": 3034479803058.9995 }, "end": { "local": "2066-02-28T11:14:41+03:30", "utc": "2066-02-28T07:44:41Z", "ms": 3034568680878.1006 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-02-27", "window": { "start": { "local": "2066-02-27T11:20:34+03:30", "utc": "2066-02-27T07:50:34Z", "ms": 3034482634158.0117 }, "end": { "local": "2066-02-27T12:08:34+03:30", "utc": "2066-02-27T08:38:34Z", "ms": 3034485514158.0117 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-02-28", "window": { "start": { "local": "2066-02-28T11:20:23+03:30", "utc": "2066-02-28T07:50:23Z", "ms": 3034569023382.77 }, "end": { "local": "2066-02-28T12:08:23+03:30", "utc": "2066-02-28T08:38:23Z", "ms": 3034571903382.77 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:33 on Sat 27 Feb to 11:15 on Sun 28 Feb.", "fact": "2066-02-27T07:03:23Z → 2066-02-28T07:44:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 27th, 11:20–12:08 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 343 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Saturday 27 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-02-27", "confidence": "boundary" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Saturday 27 February. Caturthī runs from 10:33 on Sat 27 Feb to 11:15 on Sun 28 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ekadashi?on=2066-03-07", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13220, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-03-07T00:28:32+03:30", "utc": "2066-03-06T20:58:32Z", "ms": 3035134711638.124 }, "end": { "local": "2066-03-08T02:12:23+03:30", "utc": "2066-03-07T22:42:23Z", "ms": 3035227343190.523 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-03-07T00:28:32+03:30", "utc": "2066-03-06T20:58:32Z", "ms": 3035134711638.124 }, "end": { "local": "2066-03-08T02:12:23+03:30", "utc": "2066-03-07T22:42:23Z", "ms": 3035227343190.523 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-03-07", "window": { "start": { "local": "2066-03-07T05:54:07+03:30", "utc": "2066-03-07T02:24:07Z", "ms": 3035154246590.274 }, "end": { "local": "2066-03-07T05:54:07+03:30", "utc": "2066-03-07T02:24:07Z", "ms": 3035154246590.274 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-03-08", "window": { "start": { "local": "2066-03-08T05:52:43+03:30", "utc": "2066-03-08T02:22:43Z", "ms": 3035240563004.245 }, "end": { "local": "2066-03-08T05:52:43+03:30", "utc": "2066-03-08T02:22:43Z", "ms": 3035240563004.245 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:29 on Sun 7 Mar to 02:12 on Mon 8 Mar.", "fact": "2066-03-06T20:58:32Z → 2066-03-07T22:42:23Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 7th and 05:53 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13220 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Mashhad, 2066: Sunday 7 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-07", "confidence": "determinate" } ], "quote": "In Mashhad, Āmalakī Ekādaśī 2066 falls on Sunday 7 March. Ekādaśī runs from 00:29 on Sun 7 Mar to 02:12 on Mon 8 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-03-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29119, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-03-09T03:16:25+03:30", "utc": "2066-03-08T23:46:25Z", "ms": 3035317585217.2256 }, "end": { "local": "2066-03-10T03:37:26+03:30", "utc": "2066-03-10T00:07:26Z", "ms": 3035405246361.2827 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-03-09T03:16:25+03:30", "utc": "2066-03-08T23:46:25Z", "ms": 3035317585217.2256 }, "end": { "local": "2066-03-10T03:37:26+03:30", "utc": "2066-03-10T00:07:26Z", "ms": 3035405246361.2827 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-03-08", "window": { "start": { "local": "2066-03-08T17:32:36+03:30", "utc": "2066-03-08T14:02:36Z", "ms": 3035282556067.0664 }, "end": { "local": "2066-03-08T19:11:06+03:30", "utc": "2066-03-08T15:41:06Z", "ms": 3035288465783.587 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2066-03-09", "window": { "start": { "local": "2066-03-09T17:33:30+03:30", "utc": "2066-03-09T14:03:30Z", "ms": 3035369010330.851 }, "end": { "local": "2066-03-09T19:11:42+03:30", "utc": "2066-03-09T15:41:42Z", "ms": 3035374901544.395 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:16 on Tue 9 Mar to 03:37 on Wed 10 Mar.", "fact": "2066-03-08T23:46:25Z → 2066-03-10T00:07:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:33–19:11 on the 8th, 17:34–19:12 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 8th and 98 of 98 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29119 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Tuesday 9 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-09", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Tuesday 9 March. Trayodaśī runs from 03:16 on Tue 9 Mar to 03:37 on Wed 10 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31398, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-03-11T03:16:39+03:30", "utc": "2066-03-10T23:46:39Z", "ms": 3035490399414.009 }, "end": { "local": "2066-03-12T02:18:36+03:30", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-03-11T03:16:39+03:30", "utc": "2066-03-10T23:46:39Z", "ms": 3035490399414.009 }, "end": { "local": "2066-03-12T02:18:36+03:30", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 } }, "kaala": "sayahna", "days": [ { "local_date": "2066-03-10", "window": { "start": { "local": "2066-03-10T15:13:30+03:30", "utc": "2066-03-10T11:43:30Z", "ms": 3035447010347.8003 }, "end": { "local": "2066-03-10T17:34:24+03:30", "utc": "2066-03-10T14:04:24Z", "ms": 3035455464326.642 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "2066-03-11", "window": { "start": { "local": "2066-03-11T15:13:56+03:30", "utc": "2066-03-11T11:43:56Z", "ms": 3035533436357.7007 }, "end": { "local": "2066-03-11T17:35:18+03:30", "utc": "2066-03-11T14:05:18Z", "ms": 3035541918069.303 } }, "covered_min": 141, "window_min": 141, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:17 on Thu 11 Mar to 02:19 on Fri 12 Mar.", "fact": "2066-03-10T23:46:39Z → 2066-03-11T22:48:36Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:14–17:34 on the 10th, 15:14–17:35 on the 11th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 10th and 141 of 141 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31398 s" }, { "step": "ruling", "text": "Holikā Dahana, Mashhad, 2066: Thursday 11 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-11", "confidence": "determinate" } ], "quote": "In Mashhad, Holikā Dahana 2066 falls on Thursday 11 March. Pūrṇimā runs from 03:17 on Thu 11 Mar to 02:19 on Fri 12 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31398, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-03-11T03:16:39+03:30", "utc": "2066-03-10T23:46:39Z", "ms": 3035490399414.009 }, "end": { "local": "2066-03-12T02:18:36+03:30", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2066-03-11T03:16:39+03:30", "utc": "2066-03-10T23:46:39Z", "ms": 3035490399414.009 }, "end": { "local": "2066-03-12T02:18:36+03:30", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 } }, "kaala": "sayahna", "days": [ { "local_date": "2066-03-10", "window": { "start": { "local": "2066-03-10T15:13:30+03:30", "utc": "2066-03-10T11:43:30Z", "ms": 3035447010347.8003 }, "end": { "local": "2066-03-10T17:34:24+03:30", "utc": "2066-03-10T14:04:24Z", "ms": 3035455464326.642 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "2066-03-11", "window": { "start": { "local": "2066-03-11T15:13:56+03:30", "utc": "2066-03-11T11:43:56Z", "ms": 3035533436357.7007 }, "end": { "local": "2066-03-11T17:35:18+03:30", "utc": "2066-03-11T14:05:18Z", "ms": 3035541918069.303 } }, "covered_min": 141, "window_min": 141, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2066-03-11", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:17 on Thu 11 Mar to 02:19 on Fri 12 Mar.", "fact": "2066-03-10T23:46:39Z → 2066-03-11T22:48:36Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:14–17:34 on the 10th, 15:14–17:35 on the 11th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 10th and 141 of 141 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31398 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 11 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Mashhad, 2066: Friday 12 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-12", "confidence": "determinate" } ], "quote": "In Mashhad, Holī 2066 falls on Friday 12 March. It is kept the day after Holikā Dahana, which falls on Thursday 11 March. Pūrṇimā runs from 03:17 on Thu 11 Mar to 02:19 on Fri 12 Mar and covers all of sāyāhna on the 11th.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12508, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-03-12T02:18:36+03:30", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 }, "end": { "local": "2066-03-13T00:49:54+03:30", "utc": "2066-03-12T21:19:54Z", "ms": 3035654394486.5493 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-12T02:18:36+03:30", "utc": "2066-03-11T22:48:36Z", "ms": 3035573316111.7417 }, "end": { "local": "2066-03-13T00:49:54+03:30", "utc": "2066-03-12T21:19:54Z", "ms": 3035654394486.5493 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-03-12", "window": { "start": { "local": "2066-03-12T05:47:04+03:30", "utc": "2066-03-12T02:17:04Z", "ms": 3035585824208.85 }, "end": { "local": "2066-03-12T05:47:04+03:30", "utc": "2066-03-12T02:17:04Z", "ms": 3035585824208.85 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-03-13", "window": { "start": { "local": "2066-03-13T05:45:39+03:30", "utc": "2066-03-13T02:15:39Z", "ms": 3035672138558.072 }, "end": { "local": "2066-03-13T05:45:39+03:30", "utc": "2066-03-13T02:15:39Z", "ms": 3035672138558.072 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:19 on Fri 12 Mar to 00:50 on Sat 13 Mar.", "fact": "2066-03-11T22:48:36Z → 2066-03-12T21:19:54Z" }, { "step": "kaala", "text": "Sunrise is at 05:47 on the 12th and 05:46 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12508 s" }, { "step": "ruling", "text": "Vasantotsava, Mashhad, 2066: Friday 12 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-12", "confidence": "determinate" } ], "quote": "In Mashhad, Vasantotsava 2066 falls on Friday 12 March. Pratipadā runs from 02:19 on Fri 12 Mar to 00:50 on Sat 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-03-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-14", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 770, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-03-14T20:51:17+03:30", "utc": "2066-03-14T17:21:17Z", "ms": 3035812876966.2183 }, "end": { "local": "2066-03-15T18:36:17+03:30", "utc": "2066-03-15T15:06:17Z", "ms": 3035891177174.4756 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-14T20:51:17+03:30", "utc": "2066-03-14T17:21:17Z", "ms": 3035812876966.2183 }, "end": { "local": "2066-03-15T18:36:17+03:30", "utc": "2066-03-15T15:06:17Z", "ms": 3035891177174.4756 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-03-14", "window": { "start": { "local": "2066-03-14T20:38:26+03:30", "utc": "2066-03-14T17:08:26Z", "ms": 3035812106475.219 }, "end": { "local": "2066-03-14T20:38:26+03:30", "utc": "2066-03-14T17:08:26Z", "ms": 3035812106475.219 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-03-15", "window": { "start": { "local": "2066-03-15T21:49:23+03:30", "utc": "2066-03-15T18:19:23Z", "ms": 3035902762502.2783 }, "end": { "local": "2066-03-15T21:49:23+03:30", "utc": "2066-03-15T18:19:23Z", "ms": 3035902762502.2783 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:51 on Sun 14 Mar to 18:36 on Mon 15 Mar.", "fact": "2066-03-14T17:21:17Z → 2066-03-15T15:06:17Z" }, { "step": "kaala", "text": "Moonrise is at 20:38 on the 14th and 21:49 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 770 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Sunday 14 March.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-14", "confidence": "boundary" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Sunday 14 March. Caturthī runs from 20:51 on Sun 14 Mar to 18:36 on Mon 15 Mar, and is current at moonrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 402, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-03-18T11:57:15+03:30", "utc": "2066-03-18T08:27:15Z", "ms": 3036126434864.603 }, "end": { "local": "2066-03-19T09:57:28+03:30", "utc": "2066-03-19T06:27:28Z", "ms": 3036205647826.587 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-18T11:57:15+03:30", "utc": "2066-03-18T08:27:15Z", "ms": 3036126434864.603 }, "end": { "local": "2066-03-19T09:57:28+03:30", "utc": "2066-03-19T06:27:28Z", "ms": 3036205647826.587 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-18", "window": { "start": { "local": "2066-03-18T11:15:57+03:30", "utc": "2066-03-18T07:45:57Z", "ms": 3036123957346.0605 }, "end": { "local": "2066-03-18T12:03:57+03:30", "utc": "2066-03-18T08:33:57Z", "ms": 3036126837346.0605 } }, "covered_min": 7, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-19", "window": { "start": { "local": "2066-03-19T11:15:40+03:30", "utc": "2066-03-19T07:45:40Z", "ms": 3036210339948.3535 }, "end": { "local": "2066-03-19T12:03:40+03:30", "utc": "2066-03-19T08:33:40Z", "ms": 3036213219948.3535 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:57 on Thu 18 Mar to 09:57 on Fri 19 Mar.", "fact": "2066-03-18T08:27:15Z → 2066-03-19T06:27:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 18th, 11:16–12:04 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 7 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 402 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Mashhad, 2066: Thursday 18 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": "2066-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-18", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalāṣṭamī 2066 falls on Thursday 18 March. Aṣṭamī runs from 11:57 on Thu 18 Mar to 09:57 on Fri 19 Mar and covers 7 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-03-21", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2100, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-03-21T06:26:44+03:30", "utc": "2066-03-21T02:56:44Z", "ms": 3036365803726.4565 }, "end": { "local": "2066-03-22T04:57:38+03:30", "utc": "2066-03-22T01:27:38Z", "ms": 3036446857620.1436 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-21T06:26:44+03:30", "utc": "2066-03-21T02:56:44Z", "ms": 3036365803726.4565 }, "end": { "local": "2066-03-22T04:57:38+03:30", "utc": "2066-03-22T01:27:38Z", "ms": 3036446857620.1436 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-03-21", "window": { "start": { "local": "2066-03-21T05:34:05+03:30", "utc": "2066-03-21T02:04:05Z", "ms": 3036362644706.049 }, "end": { "local": "2066-03-21T05:34:05+03:30", "utc": "2066-03-21T02:04:05Z", "ms": 3036362644706.049 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-03-22", "window": { "start": { "local": "2066-03-22T05:32:37+03:30", "utc": "2066-03-22T02:02:37Z", "ms": 3036448957367.54 }, "end": { "local": "2066-03-22T05:32:37+03:30", "utc": "2066-03-22T02:02:37Z", "ms": 3036448957367.54 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:27 on Sun 21 Mar to 04:58 on Mon 22 Mar.", "fact": "2066-03-21T02:56:44Z → 2066-03-22T01:27:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 21st and 05:33 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 2100 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Mashhad, 2066: Sunday 21 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": "2066-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-21", "confidence": "determinate" } ], "quote": "In Mashhad, Pāpamocanī Ekādaśī 2066 falls on Sunday 21 March. Ekādaśī runs from 06:27 on Sun 21 Mar to 04:58 on Mon 22 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-03-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26494, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-03-23T03:41:31+03:30", "utc": "2066-03-23T00:11:31Z", "ms": 3036528690863.9204 }, "end": { "local": "2066-03-24T02:41:13+03:30", "utc": "2066-03-23T23:11:13Z", "ms": 3036611473463.0444 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-23T03:41:31+03:30", "utc": "2066-03-23T00:11:31Z", "ms": 3036528690863.9204 }, "end": { "local": "2066-03-24T02:41:13+03:30", "utc": "2066-03-23T23:11:13Z", "ms": 3036611473463.0444 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-03-22", "window": { "start": { "local": "2066-03-22T17:44:57+03:30", "utc": "2066-03-22T14:14:57Z", "ms": 3036492896790.896 }, "end": { "local": "2066-03-22T19:19:07+03:30", "utc": "2066-03-22T15:49:07Z", "ms": 3036498546551.2227 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2066-03-23", "window": { "start": { "local": "2066-03-23T17:45:49+03:30", "utc": "2066-03-23T14:15:49Z", "ms": 3036579348591.4395 }, "end": { "local": "2066-03-23T19:19:40+03:30", "utc": "2066-03-23T15:49:40Z", "ms": 3036584979794.0537 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:42 on Tue 23 Mar to 02:41 on Wed 24 Mar.", "fact": "2066-03-23T00:11:31Z → 2066-03-23T23:11:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:19 on the 22nd, 17:46–19:20 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 22nd and 94 of 94 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26494 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Tuesday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-23", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Tuesday 23 March. Trayodaśī runs from 03:42 on Tue 23 Mar to 02:41 on Wed 24 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shivaratri?on=2066-03-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7150, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-03-24T02:41:13+03:30", "utc": "2066-03-23T23:11:13Z", "ms": 3036611473463.0444 }, "end": { "local": "2066-03-25T02:00:37+03:30", "utc": "2066-03-24T22:30:37Z", "ms": 3036695437470.987 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-24T02:41:13+03:30", "utc": "2066-03-23T23:11:13Z", "ms": 3036611473463.0444 }, "end": { "local": "2066-03-25T02:00:37+03:30", "utc": "2066-03-24T22:30:37Z", "ms": 3036695437470.987 } }, "kaala": "nishita", "days": [ { "local_date": "2066-03-23", "window": { "start": { "local": "2066-03-23T23:13:46+03:30", "utc": "2066-03-23T19:43:46Z", "ms": 3036599025601.242 }, "end": { "local": "2066-03-24T00:01:46+03:30", "utc": "2066-03-23T20:31:46Z", "ms": 3036601905601.242 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-03-24", "window": { "start": { "local": "2066-03-24T23:13:28+03:30", "utc": "2066-03-24T19:43:28Z", "ms": 3036685407770.913 }, "end": { "local": "2066-03-25T00:01:28+03:30", "utc": "2066-03-24T20:31:28Z", "ms": 3036688287770.913 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:41 on Wed 24 Mar to 02:01 on Thu 25 Mar.", "fact": "2066-03-23T23:11:13Z → 2066-03-24T22:30:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:14–00:02 on the 23rd, 23:13–00:01 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7150 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Wednesday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-24", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Wednesday 24 March. Caturdaśī runs from 02:41 on Wed 24 Mar to 02:01 on Thu 25 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33386, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-03-26T01:44:17+03:30", "utc": "2066-03-25T22:14:17Z", "ms": 3036780857452.0376 }, "end": { "local": "2066-03-27T01:56:52+03:30", "utc": "2066-03-26T22:26:52Z", "ms": 3036868011597.1367 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-26T01:44:17+03:30", "utc": "2066-03-25T22:14:17Z", "ms": 3036780857452.0376 }, "end": { "local": "2066-03-27T01:56:52+03:30", "utc": "2066-03-26T22:26:52Z", "ms": 3036868011597.1367 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-26", "window": { "start": { "local": "2066-03-26T11:13:36+03:30", "utc": "2066-03-26T07:43:36Z", "ms": 3036815015680.3154 }, "end": { "local": "2066-03-26T12:01:36+03:30", "utc": "2066-03-26T08:31:36Z", "ms": 3036817895680.3154 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-27", "window": { "start": { "local": "2066-03-27T11:13:18+03:30", "utc": "2066-03-27T07:43:18Z", "ms": 3036901397780.535 }, "end": { "local": "2066-03-27T12:01:18+03:30", "utc": "2066-03-27T08:31:18Z", "ms": 3036904277780.535 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:44 on Fri 26 Mar to 01:57 on Sat 27 Mar.", "fact": "2066-03-25T22:14:17Z → 2066-03-26T22:26:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 26th, 11:13–12:01 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33386 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Mashhad, 2066: Friday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-26", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Caitra) (Chaitra Navratri) 2066 falls on Friday 26 March. Pratipadā runs from 01:44 on Fri 26 Mar to 01:57 on Sat 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25864, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-03-28T02:42:05+03:30", "utc": "2066-03-27T23:12:05Z", "ms": 3036957124900.7227 }, "end": { "local": "2066-03-29T04:01:38+03:30", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-28T02:42:05+03:30", "utc": "2066-03-27T23:12:05Z", "ms": 3036957124900.7227 }, "end": { "local": "2066-03-29T04:01:38+03:30", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-28", "window": { "start": { "local": "2066-03-28T11:13:00+03:30", "utc": "2066-03-28T07:43:00Z", "ms": 3036987779893.5557 }, "end": { "local": "2066-03-28T12:01:00+03:30", "utc": "2066-03-28T08:31:00Z", "ms": 3036990659893.5557 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-29", "window": { "start": { "local": "2066-03-29T11:12:42+03:30", "utc": "2066-03-29T07:42:42Z", "ms": 3037074162036.043 }, "end": { "local": "2066-03-29T12:00:42+03:30", "utc": "2066-03-29T08:30:42Z", "ms": 3037077042036.043 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:42 on Sun 28 Mar to 04:02 on Mon 29 Mar.", "fact": "2066-03-27T23:12:05Z → 2066-03-29T00:31:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 28th, 11:13–12:01 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25864 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Mashhad, 2066: Sunday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-28", "confidence": "determinate" } ], "quote": "In Mashhad, Gaurī Tṛtīyā (Gangaur) 2066 falls on Sunday 28 March. Tṛtīyā runs from 02:42 on Sun 28 Mar to 04:02 on Mon 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25864, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-03-28T02:42:05+03:30", "utc": "2066-03-27T23:12:05Z", "ms": 3036957124900.7227 }, "end": { "local": "2066-03-29T04:01:38+03:30", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-28T02:42:05+03:30", "utc": "2066-03-27T23:12:05Z", "ms": 3036957124900.7227 }, "end": { "local": "2066-03-29T04:01:38+03:30", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-28", "window": { "start": { "local": "2066-03-28T11:13:00+03:30", "utc": "2066-03-28T07:43:00Z", "ms": 3036987779893.5557 }, "end": { "local": "2066-03-28T12:01:00+03:30", "utc": "2066-03-28T08:31:00Z", "ms": 3036990659893.5557 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-29", "window": { "start": { "local": "2066-03-29T11:12:42+03:30", "utc": "2066-03-29T07:42:42Z", "ms": 3037074162036.043 }, "end": { "local": "2066-03-29T12:00:42+03:30", "utc": "2066-03-29T08:30:42Z", "ms": 3037077042036.043 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:42 on Sun 28 Mar to 04:02 on Mon 29 Mar.", "fact": "2066-03-27T23:12:05Z → 2066-03-29T00:31:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 28th, 11:13–12:01 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25864 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Mashhad, 2066: Sunday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-28", "confidence": "determinate" } ], "quote": "In Mashhad, Saubhāgya Śayana Vrata 2066 falls on Sunday 28 March. Tṛtīyā runs from 02:42 on Sun 28 Mar to 04:02 on Mon 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-03-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19109, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-03-29T04:01:38+03:30", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 }, "end": { "local": "2066-03-30T05:53:55+03:30", "utc": "2066-03-30T02:23:55Z", "ms": 3037141434896.3213 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-29T04:01:38+03:30", "utc": "2066-03-29T00:31:38Z", "ms": 3037048298472.6924 }, "end": { "local": "2066-03-30T05:53:55+03:30", "utc": "2066-03-30T02:23:55Z", "ms": 3037141434896.3213 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-29", "window": { "start": { "local": "2066-03-29T11:12:42+03:30", "utc": "2066-03-29T07:42:42Z", "ms": 3037074162036.043 }, "end": { "local": "2066-03-29T12:00:42+03:30", "utc": "2066-03-29T08:30:42Z", "ms": 3037077042036.043 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-30", "window": { "start": { "local": "2066-03-30T11:12:24+03:30", "utc": "2066-03-30T07:42:24Z", "ms": 3037160544224.9287 }, "end": { "local": "2066-03-30T12:00:24+03:30", "utc": "2066-03-30T08:30:24Z", "ms": 3037163424224.9287 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:02 on Mon 29 Mar to 05:54 on Tue 30 Mar.", "fact": "2066-03-29T00:31:38Z → 2066-03-30T02:23:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 29th, 11:12–12:00 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19109 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Monday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-29", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Monday 29 March. Caturthī runs from 04:02 on Mon 29 Mar to 05:54 on Tue 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10748, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-03-30T05:53:55+03:30", "utc": "2066-03-30T02:23:55Z", "ms": 3037141434896.3213 }, "end": { "local": "2066-03-31T08:12:59+03:30", "utc": "2066-03-31T04:42:59Z", "ms": 3037236178638.882 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-03-30T05:53:55+03:30", "utc": "2066-03-30T02:23:55Z", "ms": 3037141434896.3213 }, "end": { "local": "2066-03-31T08:12:59+03:30", "utc": "2066-03-31T04:42:59Z", "ms": 3037236178638.882 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-03-30", "window": { "start": { "local": "2066-03-30T11:12:24+03:30", "utc": "2066-03-30T07:42:24Z", "ms": 3037160544224.9287 }, "end": { "local": "2066-03-30T12:00:24+03:30", "utc": "2066-03-30T08:30:24Z", "ms": 3037163424224.9287 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-03-31", "window": { "start": { "local": "2066-03-31T11:12:06+03:30", "utc": "2066-03-31T07:42:06Z", "ms": 3037246926477.433 }, "end": { "local": "2066-03-31T12:00:06+03:30", "utc": "2066-03-31T08:30:06Z", "ms": 3037249806477.433 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:54 on Tue 30 Mar to 08:13 on Wed 31 Mar.", "fact": "2066-03-30T02:23:55Z → 2066-03-31T04:42:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 30th, 11:12–12:00 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10748 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Mashhad, 2066: Tuesday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-03-30", "confidence": "determinate" } ], "quote": "In Mashhad, Lakṣmī Pañcamī 2066 falls on Tuesday 30 March. Pañcamī runs from 05:54 on Tue 30 Mar to 08:13 on Wed 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5166, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-04-02T13:25:37+03:30", "utc": "2066-04-02T09:55:37Z", "ms": 3037427736953.468 }, "end": { "local": "2066-04-03T15:48:50+03:30", "utc": "2066-04-03T12:18:50Z", "ms": 3037522729740.566 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-02T13:25:37+03:30", "utc": "2066-04-02T09:55:37Z", "ms": 3037427736953.468 }, "end": { "local": "2066-04-03T15:48:50+03:30", "utc": "2066-04-03T12:18:50Z", "ms": 3037522729740.566 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-02", "window": { "start": { "local": "2066-04-02T11:11:31+03:30", "utc": "2066-04-02T07:41:31Z", "ms": 3037419691243.491 }, "end": { "local": "2066-04-02T11:59:31+03:30", "utc": "2066-04-02T08:29:31Z", "ms": 3037422571243.491 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-03", "window": { "start": { "local": "2066-04-03T11:11:14+03:30", "utc": "2066-04-03T07:41:14Z", "ms": 3037506073792.7646 }, "end": { "local": "2066-04-03T11:59:14+03:30", "utc": "2066-04-03T08:29:14Z", "ms": 3037508953792.7646 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:26 on Fri 2 Apr to 15:49 on Sat 3 Apr.", "fact": "2066-04-02T09:55:37Z → 2066-04-03T12:18:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 2nd, 11:11–11:59 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5166 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Mashhad, 2066: Saturday 3 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": "2066-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-03", "confidence": "determinate" } ], "quote": "In Mashhad, Bhavānī Utpatti 2066 falls on Saturday 3 April. Aṣṭamī runs from 13:26 on Fri 2 Apr to 15:49 on Sat 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13776, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2066-04-03T15:48:50+03:30", "utc": "2066-04-03T12:18:50Z", "ms": 3037522729740.566 }, "end": { "local": "2066-04-04T17:42:48+03:30", "utc": "2066-04-04T14:12:48Z", "ms": 3037615967564.1357 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-03T15:48:50+03:30", "utc": "2066-04-03T12:18:50Z", "ms": 3037522729740.566 }, "end": { "local": "2066-04-04T17:42:48+03:30", "utc": "2066-04-04T14:12:48Z", "ms": 3037615967564.1357 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-03", "window": { "start": { "local": "2066-04-03T11:11:14+03:30", "utc": "2066-04-03T07:41:14Z", "ms": 3037506073792.7646 }, "end": { "local": "2066-04-03T11:59:14+03:30", "utc": "2066-04-03T08:29:14Z", "ms": 3037508953792.7646 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-04", "window": { "start": { "local": "2066-04-04T11:10:56+03:30", "utc": "2066-04-04T07:40:56Z", "ms": 3037592456477.0947 }, "end": { "local": "2066-04-04T11:58:56+03:30", "utc": "2066-04-04T08:28:56Z", "ms": 3037595336477.0947 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 15:49 on Sat 3 Apr to 17:43 on Sun 4 Apr.", "fact": "2066-04-03T12:18:50Z → 2066-04-04T14:12:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 3rd, 11:11–11:59 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13776 s" }, { "step": "ruling", "text": "Rāma Navamī, Mashhad, 2066: Sunday 4 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": "2066-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-04", "confidence": "determinate" } ], "quote": "In Mashhad, Rāma Navamī 2066 falls on Sunday 4 April. Navamī runs from 15:49 on Sat 3 Apr to 17:43 on Sun 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-04-06", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35316, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-04-05T18:55:46+03:30", "utc": "2066-04-05T15:25:46Z", "ms": 3037706745975.3237 }, "end": { "local": "2066-04-06T19:20:57+03:30", "utc": "2066-04-06T15:50:57Z", "ms": 3037794657202.407 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-05T18:55:46+03:30", "utc": "2066-04-05T15:25:46Z", "ms": 3037706745975.3237 }, "end": { "local": "2066-04-06T19:20:57+03:30", "utc": "2066-04-06T15:50:57Z", "ms": 3037794657202.407 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-04-06", "window": { "start": { "local": "2066-04-06T05:10:58+03:30", "utc": "2066-04-06T01:40:58Z", "ms": 3037743658220.563 }, "end": { "local": "2066-04-06T05:10:58+03:30", "utc": "2066-04-06T01:40:58Z", "ms": 3037743658220.563 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-04-07", "window": { "start": { "local": "2066-04-07T05:09:34+03:30", "utc": "2066-04-07T01:39:34Z", "ms": 3037829973596.4893 }, "end": { "local": "2066-04-07T05:09:34+03:30", "utc": "2066-04-07T01:39:34Z", "ms": 3037829973596.4893 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:56 on Mon 5 Apr to 19:21 on Tue 6 Apr.", "fact": "2066-04-05T15:25:46Z → 2066-04-06T15:50:57Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 6th and 05:10 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35316 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Mashhad, 2066: Tuesday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-06", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmadā Ekādaśī 2066 falls on Tuesday 6 April. Ekādaśī runs from 18:56 on Mon 5 Apr to 19:21 on Tue 6 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-04-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 792, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-04-07T18:56:48+03:30", "utc": "2066-04-07T15:26:48Z", "ms": 3037879607687.2104 }, "end": { "local": "2066-04-08T17:46:17+03:30", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-07T18:56:48+03:30", "utc": "2066-04-07T15:26:48Z", "ms": 3037879607687.2104 }, "end": { "local": "2066-04-08T17:46:17+03:30", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-04-07", "window": { "start": { "local": "2066-04-07T17:58:37+03:30", "utc": "2066-04-07T14:28:37Z", "ms": 3037876117459.0337 }, "end": { "local": "2066-04-07T19:27:54+03:30", "utc": "2066-04-07T15:57:54Z", "ms": 3037881473715.8247 } }, "covered_min": 31, "window_min": 89, "qualifies": true }, { "local_date": "2066-04-08", "window": { "start": { "local": "2066-04-08T17:59:28+03:30", "utc": "2066-04-08T14:29:28Z", "ms": 3037962568498.8765 }, "end": { "local": "2066-04-08T19:28:27+03:30", "utc": "2066-04-08T15:58:27Z", "ms": 3037967906781.2515 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:57 on Wed 7 Apr to 17:46 on Thu 8 Apr.", "fact": "2066-04-07T15:26:48Z → 2066-04-08T14:16:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:28 on the 7th, 17:59–19:28 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 31 of 89 minutes on the 7th and 0 of 89 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 792 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Wednesday 7 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-07", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Wednesday 7 April. Trayodaśī runs from 18:57 on Wed 7 Apr to 17:46 on Thu 8 Apr and covers 31 of 89 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-04-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20908, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-04-07T18:56:48+03:30", "utc": "2066-04-07T15:26:48Z", "ms": 3037879607687.2104 }, "end": { "local": "2066-04-08T17:46:17+03:30", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-07T18:56:48+03:30", "utc": "2066-04-07T15:26:48Z", "ms": 3037879607687.2104 }, "end": { "local": "2066-04-08T17:46:17+03:30", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-07", "window": { "start": { "local": "2066-04-07T11:10:06+03:30", "utc": "2066-04-07T07:40:06Z", "ms": 3037851605527.7617 }, "end": { "local": "2066-04-07T11:58:06+03:30", "utc": "2066-04-07T08:28:06Z", "ms": 3037854485527.7617 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-08", "window": { "start": { "local": "2066-04-08T11:09:49+03:30", "utc": "2066-04-08T07:39:49Z", "ms": 3037937988941.921 }, "end": { "local": "2066-04-08T11:57:49+03:30", "utc": "2066-04-08T08:27:49Z", "ms": 3037940868941.921 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:57 on Wed 7 Apr to 17:46 on Thu 8 Apr.", "fact": "2066-04-07T15:26:48Z → 2066-04-08T14:16:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 7th, 11:10–11:58 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20908 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Mashhad, 2066: Thursday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-08", "confidence": "determinate" } ], "quote": "In Mashhad, Anaṅga Trayodaśī 2066 falls on Thursday 8 April. Trayodaśī runs from 18:57 on Wed 7 Apr to 17:46 on Thu 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14294, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-04-08T17:46:17+03:30", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 }, "end": { "local": "2066-04-09T15:55:47+03:30", "utc": "2066-04-09T12:25:47Z", "ms": 3038041546553.043 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-08T17:46:17+03:30", "utc": "2066-04-08T14:16:17Z", "ms": 3037961776882.694 }, "end": { "local": "2066-04-09T15:55:47+03:30", "utc": "2066-04-09T12:25:47Z", "ms": 3038041546553.043 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-08", "window": { "start": { "local": "2066-04-08T11:09:49+03:30", "utc": "2066-04-08T07:39:49Z", "ms": 3037937988941.921 }, "end": { "local": "2066-04-08T11:57:49+03:30", "utc": "2066-04-08T08:27:49Z", "ms": 3037940868941.921 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-09", "window": { "start": { "local": "2066-04-09T11:09:33+03:30", "utc": "2066-04-09T07:39:33Z", "ms": 3038024372588.453 }, "end": { "local": "2066-04-09T11:57:33+03:30", "utc": "2066-04-09T08:27:33Z", "ms": 3038027252588.453 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:46 on Thu 8 Apr to 15:56 on Fri 9 Apr.", "fact": "2066-04-08T14:16:17Z → 2066-04-09T12:25:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 8th, 11:10–11:58 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14294 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Mashhad, 2066: Friday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-09", "confidence": "determinate" } ], "quote": "In Mashhad, Viṣṇudamanaka Caturdaśī 2066 falls on Friday 9 April. Caturdaśī runs from 17:46 on Thu 8 Apr to 15:56 on Fri 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5789, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-04-09T15:55:47+03:30", "utc": "2066-04-09T12:25:47Z", "ms": 3038041546553.043 }, "end": { "local": "2066-04-10T13:33:46+03:30", "utc": "2066-04-10T10:03:46Z", "ms": 3038119425817.328 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2066-04-09T15:55:47+03:30", "utc": "2066-04-09T12:25:47Z", "ms": 3038041546553.043 }, "end": { "local": "2066-04-10T13:33:46+03:30", "utc": "2066-04-10T10:03:46Z", "ms": 3038119425817.328 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-09", "window": { "start": { "local": "2066-04-09T11:09:33+03:30", "utc": "2066-04-09T07:39:33Z", "ms": 3038024372588.453 }, "end": { "local": "2066-04-09T11:57:33+03:30", "utc": "2066-04-09T08:27:33Z", "ms": 3038027252588.453 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-10", "window": { "start": { "local": "2066-04-10T11:09:16+03:30", "utc": "2066-04-10T07:39:16Z", "ms": 3038110756488.377 }, "end": { "local": "2066-04-10T11:57:16+03:30", "utc": "2066-04-10T08:27:16Z", "ms": 3038113636488.377 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:56 on Fri 9 Apr to 13:34 on Sat 10 Apr.", "fact": "2066-04-09T12:25:47Z → 2066-04-10T10:03:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 9th, 11:09–11:57 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5789 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Mashhad, 2066: Saturday 10 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-10", "confidence": "determinate" } ], "quote": "In Mashhad, Caitrī Pūrṇimā 2066 falls on Saturday 10 April. Pūrṇimā runs from 15:56 on Fri 9 Apr to 13:34 on Sat 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-04-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14689, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-04-13T04:54:05+03:30", "utc": "2066-04-13T01:24:05Z", "ms": 3038347444891.6685 }, "end": { "local": "2066-04-14T01:59:49+03:30", "utc": "2066-04-13T22:29:49Z", "ms": 3038423388601.5137 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-13T04:54:05+03:30", "utc": "2066-04-13T01:24:05Z", "ms": 3038347444891.6685 }, "end": { "local": "2066-04-14T01:59:49+03:30", "utc": "2066-04-13T22:29:49Z", "ms": 3038423388601.5137 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-04-12", "window": { "start": { "local": "2066-04-12T20:44:49+03:30", "utc": "2066-04-12T17:14:49Z", "ms": 3038318089084.336 }, "end": { "local": "2066-04-12T20:44:49+03:30", "utc": "2066-04-12T17:14:49Z", "ms": 3038318089084.336 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-04-13", "window": { "start": { "local": "2066-04-13T21:55:00+03:30", "utc": "2066-04-13T18:25:00Z", "ms": 3038408699920.963 }, "end": { "local": "2066-04-13T21:55:00+03:30", "utc": "2066-04-13T18:25:00Z", "ms": 3038408699920.963 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:54 on Tue 13 Apr to 02:00 on Wed 14 Apr.", "fact": "2066-04-13T01:24:05Z → 2066-04-13T22:29:49Z" }, { "step": "kaala", "text": "Moonrise is at 20:45 on the 12th and 21:55 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14689 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Tuesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-13", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Tuesday 13 April. Caturthī runs from 04:54 on Tue 13 Apr to 02:00 on Wed 14 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30904, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2066-04-14T13:34:59+03:30", "utc": "2066-04-14T10:04:59Z", "ms": 3038465098759.1943 }, "end": { "local": "2066-05-15T10:21:33+03:30", "utc": "2066-05-15T06:51:33Z", "ms": 3041131893133.5513 } }, "span": { "of": "transit", "start": { "local": "2066-04-14T13:34:59+03:30", "utc": "2066-04-14T10:04:59Z", "ms": 3038465098759.1943 }, "end": { "local": "2066-04-14T13:34:59+03:30", "utc": "2066-04-14T10:04:59Z", "ms": 3038465098759.1943 } }, "kaala": "day", "days": [ { "local_date": "2066-04-13", "window": { "start": { "local": "2066-04-13T05:01:16+03:30", "utc": "2066-04-13T01:31:16Z", "ms": 3038347875605.572 }, "end": { "local": "2066-04-14T04:59:55+03:30", "utc": "2066-04-14T01:29:55Z", "ms": 3038434194529.151 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "2066-04-14", "window": { "start": { "local": "2066-04-14T04:59:55+03:30", "utc": "2066-04-14T01:29:55Z", "ms": 3038434194529.151 }, "end": { "local": "2066-04-15T04:58:34+03:30", "utc": "2066-04-15T01:28:34Z", "ms": 3038520514088.3335 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 13:35 on Wed 14 Apr.", "fact": "2066-04-14T10:04:59Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:01 on the 13th, and from 05:00 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 30904 s" }, { "step": "ruling", "text": "Vaiśākhī, Mashhad, 2066: Wednesday 14 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": "2066-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2066-04-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2066-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Mashhad, Vaiśākhī 2066 falls on Wednesday 14 April. The Sun enters Meṣa at 13:35 on Wed 14 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-04-20", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33895, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-04-19T14:50:24+03:30", "utc": "2066-04-19T11:20:24Z", "ms": 3038901623992.0464 }, "end": { "local": "2066-04-20T14:16:58+03:30", "utc": "2066-04-20T10:46:58Z", "ms": 3038986017526.324 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-19T14:50:24+03:30", "utc": "2066-04-19T11:20:24Z", "ms": 3038901623992.0464 }, "end": { "local": "2066-04-20T14:16:58+03:30", "utc": "2066-04-20T10:46:58Z", "ms": 3038986017526.324 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-04-19", "window": { "start": { "local": "2066-04-19T04:53:19+03:30", "utc": "2066-04-19T01:23:19Z", "ms": 3038865799314.524 }, "end": { "local": "2066-04-19T04:53:19+03:30", "utc": "2066-04-19T01:23:19Z", "ms": 3038865799314.524 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-04-20", "window": { "start": { "local": "2066-04-20T04:52:03+03:30", "utc": "2066-04-20T01:22:03Z", "ms": 3038952122519.426 }, "end": { "local": "2066-04-20T04:52:03+03:30", "utc": "2066-04-20T01:22:03Z", "ms": 3038952122519.426 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:50 on Mon 19 Apr to 14:17 on Tue 20 Apr.", "fact": "2066-04-19T11:20:24Z → 2066-04-20T10:46:58Z" }, { "step": "kaala", "text": "Sunrise is at 04:53 on the 19th and 04:52 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33895 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Mashhad, 2066: Tuesday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-20", "confidence": "determinate" } ], "quote": "In Mashhad, Varūthinī Ekādaśī 2066 falls on Tuesday 20 April. Ekādaśī runs from 14:50 on Mon 19 Apr to 14:17 on Tue 20 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-04-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13944, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-04-21T14:06:17+03:30", "utc": "2066-04-21T10:36:17Z", "ms": 3039071777019.352 }, "end": { "local": "2066-04-22T14:19:05+03:30", "utc": "2066-04-22T10:49:05Z", "ms": 3039158945081.296 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-21T14:06:17+03:30", "utc": "2066-04-21T10:36:17Z", "ms": 3039071777019.352 }, "end": { "local": "2066-04-22T14:19:05+03:30", "utc": "2066-04-22T10:49:05Z", "ms": 3039158945081.296 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-04-21", "window": { "start": { "local": "2066-04-21T18:10:37+03:30", "utc": "2066-04-21T14:40:37Z", "ms": 3039086436913.533 }, "end": { "local": "2066-04-21T19:35:48+03:30", "utc": "2066-04-21T16:05:48Z", "ms": 3039091548179.181 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2066-04-22", "window": { "start": { "local": "2066-04-22T18:11:29+03:30", "utc": "2066-04-22T14:41:29Z", "ms": 3039172888796.0425 }, "end": { "local": "2066-04-22T19:36:23+03:30", "utc": "2066-04-22T16:06:23Z", "ms": 3039177983242.065 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:06 on Wed 21 Apr to 14:19 on Thu 22 Apr.", "fact": "2066-04-21T10:36:17Z → 2066-04-22T10:49:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:36 on the 21st, 18:11–19:36 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 21st and 0 of 85 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13944 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Wednesday 21 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-21", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Wednesday 21 April. Trayodaśī runs from 14:06 on Wed 21 Apr to 14:19 on Thu 22 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shivaratri?on=2066-04-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29345, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-04-22T14:19:05+03:30", "utc": "2066-04-22T10:49:05Z", "ms": 3039158945081.296 }, "end": { "local": "2066-04-23T14:56:37+03:30", "utc": "2066-04-23T11:26:37Z", "ms": 3039247597187.003 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-22T14:19:05+03:30", "utc": "2066-04-22T10:49:05Z", "ms": 3039158945081.296 }, "end": { "local": "2066-04-23T14:56:37+03:30", "utc": "2066-04-23T11:26:37Z", "ms": 3039247597187.003 } }, "kaala": "nishita", "days": [ { "local_date": "2066-04-22", "window": { "start": { "local": "2066-04-22T23:05:53+03:30", "utc": "2066-04-22T19:35:53Z", "ms": 3039190552968.627 }, "end": { "local": "2066-04-22T23:53:53+03:30", "utc": "2066-04-22T20:23:53Z", "ms": 3039193432968.627 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-04-23", "window": { "start": { "local": "2066-04-23T23:05:42+03:30", "utc": "2066-04-23T19:35:42Z", "ms": 3039276942247.696 }, "end": { "local": "2066-04-23T23:53:42+03:30", "utc": "2066-04-23T20:23:42Z", "ms": 3039279822247.696 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:19 on Thu 22 Apr to 14:57 on Fri 23 Apr.", "fact": "2066-04-22T10:49:05Z → 2066-04-23T11:26:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:06–23:54 on the 22nd, 23:06–23:54 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29345 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Thursday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-22", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Thursday 22 April. Caturdaśī runs from 14:19 on Thu 22 Apr to 14:57 on Fri 23 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-04-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24986, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-04-26T19:27:08+03:30", "utc": "2066-04-26T15:57:08Z", "ms": 3039523028081.7285 }, "end": { "local": "2066-04-27T21:45:54+03:30", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-26T19:27:08+03:30", "utc": "2066-04-26T15:57:08Z", "ms": 3039523028081.7285 }, "end": { "local": "2066-04-27T21:45:54+03:30", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 } }, "kaala": "purvahna", "days": [ { "local_date": "2066-04-27", "window": { "start": { "local": "2066-04-27T04:43:29+03:30", "utc": "2066-04-27T01:13:29Z", "ms": 3039556409306.343 }, "end": { "local": "2066-04-27T09:14:16+03:30", "utc": "2066-04-27T05:44:16Z", "ms": 3039572655753.492 } }, "covered_min": 271, "window_min": 271, "qualifies": true }, { "local_date": "2066-04-28", "window": { "start": { "local": "2066-04-28T04:42:20+03:30", "utc": "2066-04-28T01:12:20Z", "ms": 3039642739783.2593 }, "end": { "local": "2066-04-28T09:13:47+03:30", "utc": "2066-04-28T05:43:47Z", "ms": 3039659026729.468 } }, "covered_min": 0, "window_min": 271, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:27 on Mon 26 Apr to 21:46 on Tue 27 Apr.", "fact": "2066-04-26T15:57:08Z → 2066-04-27T18:15:54Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:43–09:14 on the 27th, 04:42–09:14 on the 28th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 271 of 271 minutes on the 27th and 0 of 271 on the 28th.", "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 24986 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Mashhad, 2066: Tuesday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-27", "confidence": "determinate" } ], "quote": "In Mashhad, Akṣaya Tṛtīyā 2066 falls on Tuesday 27 April. Tṛtīyā runs from 19:27 on Mon 26 Apr to 21:46 on Tue 27 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 697, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-04-26T19:27:08+03:30", "utc": "2066-04-26T15:57:08Z", "ms": 3039523028081.7285 }, "end": { "local": "2066-04-27T21:45:54+03:30", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-26T19:27:08+03:30", "utc": "2066-04-26T15:57:08Z", "ms": 3039523028081.7285 }, "end": { "local": "2066-04-27T21:45:54+03:30", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-04-26", "window": { "start": { "local": "2066-04-26T18:14:57+03:30", "utc": "2066-04-26T14:44:57Z", "ms": 3039518696657.5913 }, "end": { "local": "2066-04-26T19:38:45+03:30", "utc": "2066-04-26T16:08:45Z", "ms": 3039523725010.7583 } }, "covered_min": 12, "window_min": 84, "qualifies": true }, { "local_date": "2066-04-27", "window": { "start": { "local": "2066-04-27T18:15:49+03:30", "utc": "2066-04-27T14:45:49Z", "ms": 3039605148647.7915 }, "end": { "local": "2066-04-27T19:39:21+03:30", "utc": "2066-04-27T16:09:21Z", "ms": 3039610160799.187 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:27 on Mon 26 Apr to 21:46 on Tue 27 Apr.", "fact": "2066-04-26T15:57:08Z → 2066-04-27T18:15:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:39 on the 26th, 18:16–19:39 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 12 of 84 minutes on the 26th and 84 of 84 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 697 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Mashhad, 2066: Tuesday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-27", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Jayantī 2066 falls on Tuesday 27 April. Tṛtīyā runs from 19:27 on Mon 26 Apr to 21:46 on Tue 27 Apr and covers all of pradoṣa that evening. It also reaches the previous evening for 12 minutes; by the rule the second evening is taken.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-04-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35535, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-04-27T21:45:54+03:30", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 }, "end": { "local": "2066-04-29T00:20:01+03:30", "utc": "2066-04-28T20:50:01Z", "ms": 3039713401433.9756 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-27T21:45:54+03:30", "utc": "2066-04-27T18:15:54Z", "ms": 3039617753643.003 }, "end": { "local": "2066-04-29T00:20:01+03:30", "utc": "2066-04-28T20:50:01Z", "ms": 3039713401433.9756 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-27", "window": { "start": { "local": "2066-04-27T11:05:39+03:30", "utc": "2066-04-27T07:35:39Z", "ms": 3039579338977.0674 }, "end": { "local": "2066-04-27T11:53:39+03:30", "utc": "2066-04-27T08:23:39Z", "ms": 3039582218977.0674 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-04-28", "window": { "start": { "local": "2066-04-28T11:05:30+03:30", "utc": "2066-04-28T07:35:30Z", "ms": 3039665730202.5723 }, "end": { "local": "2066-04-28T11:53:30+03:30", "utc": "2066-04-28T08:23:30Z", "ms": 3039668610202.5723 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:46 on Tue 27 Apr to 00:20 on Thu 29 Apr.", "fact": "2066-04-27T18:15:54Z → 2066-04-28T20:50:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 27th, 11:06–11:54 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35535 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Wednesday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-28", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Wednesday 28 April. Caturthī runs from 21:46 on Tue 27 Apr to 00:20 on Thu 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29176, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-04-29T00:20:01+03:30", "utc": "2066-04-28T20:50:01Z", "ms": 3039713401433.9756 }, "end": { "local": "2066-04-30T02:58:58+03:30", "utc": "2066-04-29T23:28:58Z", "ms": 3039809338402.4897 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-04-29T00:20:01+03:30", "utc": "2066-04-28T20:50:01Z", "ms": 3039713401433.9756 }, "end": { "local": "2066-04-30T02:58:58+03:30", "utc": "2066-04-29T23:28:58Z", "ms": 3039809338402.4897 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-04-29", "window": { "start": { "local": "2066-04-29T11:05:22+03:30", "utc": "2066-04-29T07:35:22Z", "ms": 3039752121926.1016 }, "end": { "local": "2066-04-29T11:53:22+03:30", "utc": "2066-04-29T08:23:22Z", "ms": 3039755001926.1016 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-04-30", "window": { "start": { "local": "2066-04-30T11:05:14+03:30", "utc": "2066-04-30T07:35:14Z", "ms": 3039838514153.3926 }, "end": { "local": "2066-04-30T11:53:14+03:30", "utc": "2066-04-30T08:23:14Z", "ms": 3039841394153.3926 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:20 on Thu 29 Apr to 02:59 on Fri 30 Apr.", "fact": "2066-04-28T20:50:01Z → 2066-04-29T23:28:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 29th, 11:05–11:53 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29176 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Mashhad, 2066: Thursday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-04-29", "confidence": "determinate" } ], "quote": "In Mashhad, Śaṅkara Jayantī 2066 falls on Thursday 29 April. Pañcamī runs from 00:20 on Thu 29 Apr to 02:59 on Fri 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12478, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-05-01T05:29:26+03:30", "utc": "2066-05-01T01:59:26Z", "ms": 3039904765522.1816 }, "end": { "local": "2066-05-02T07:37:02+03:30", "utc": "2066-05-02T04:07:02Z", "ms": 3039998822155.1245 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-01T05:29:26+03:30", "utc": "2066-05-01T01:59:26Z", "ms": 3039904765522.1816 }, "end": { "local": "2066-05-02T07:37:02+03:30", "utc": "2066-05-02T04:07:02Z", "ms": 3039998822155.1245 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-01", "window": { "start": { "local": "2066-05-01T11:05:07+03:30", "utc": "2066-05-01T07:35:07Z", "ms": 3039924906889.9727 }, "end": { "local": "2066-05-01T11:53:07+03:30", "utc": "2066-05-01T08:23:07Z", "ms": 3039927786889.9727 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-02", "window": { "start": { "local": "2066-05-02T11:05:00+03:30", "utc": "2066-05-02T07:35:00Z", "ms": 3040011300141.1846 }, "end": { "local": "2066-05-02T11:53:00+03:30", "utc": "2066-05-02T08:23:00Z", "ms": 3040014180141.1846 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:29 on Sat 1 May to 07:37 on Sun 2 May.", "fact": "2066-05-01T01:59:26Z → 2066-05-02T04:07:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 1st, 11:05–11:53 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12478 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Mashhad, 2066: Saturday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-01", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṅgotpatti (Ganga Saptami) 2066 falls on Saturday 1 May. Saptamī runs from 05:29 on Sat 1 May to 07:37 on Sun 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-05-06", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15568, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-05-05T09:49:36+03:30", "utc": "2066-05-05T06:19:36Z", "ms": 3040265975613.2124 }, "end": { "local": "2066-05-06T08:53:11+03:30", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-05T09:49:36+03:30", "utc": "2066-05-05T06:19:36Z", "ms": 3040265975613.2124 }, "end": { "local": "2066-05-06T08:53:11+03:30", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-05-05", "window": { "start": { "local": "2066-05-05T04:34:43+03:30", "utc": "2066-05-05T01:04:43Z", "ms": 3040247083338.279 }, "end": { "local": "2066-05-05T04:34:43+03:30", "utc": "2066-05-05T01:04:43Z", "ms": 3040247083338.279 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-05-06", "window": { "start": { "local": "2066-05-06T04:33:43+03:30", "utc": "2066-05-06T01:03:43Z", "ms": 3040333422768.238 }, "end": { "local": "2066-05-06T04:33:43+03:30", "utc": "2066-05-06T01:03:43Z", "ms": 3040333422768.238 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:50 on Wed 5 May to 08:53 on Thu 6 May.", "fact": "2066-05-05T06:19:36Z → 2066-05-06T05:23:11Z" }, { "step": "kaala", "text": "Sunrise is at 04:35 on the 5th and 04:34 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15568 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Mashhad, 2066: Thursday 6 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-06", "confidence": "determinate" } ], "quote": "In Mashhad, Mohinī Ekādaśī 2066 falls on Thursday 6 May. Ekādaśī runs from 09:50 on Wed 5 May to 08:53 on Thu 6 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7888, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-05-06T08:53:11+03:30", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "end": { "local": "2066-05-07T07:09:07+03:30", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-06T08:53:11+03:30", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "end": { "local": "2066-05-07T07:09:07+03:30", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-06", "window": { "start": { "local": "2066-05-06T11:04:38+03:30", "utc": "2066-05-06T07:34:38Z", "ms": 3040356878396.263 }, "end": { "local": "2066-05-06T11:52:38+03:30", "utc": "2066-05-06T08:22:38Z", "ms": 3040359758396.263 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-07", "window": { "start": { "local": "2066-05-07T11:04:34+03:30", "utc": "2066-05-07T07:34:34Z", "ms": 3040443274299.6543 }, "end": { "local": "2066-05-07T11:52:34+03:30", "utc": "2066-05-07T08:22:34Z", "ms": 3040446154299.6543 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:53 on Thu 6 May to 07:09 on Fri 7 May.", "fact": "2066-05-06T05:23:11Z → 2066-05-07T03:39:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7888 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Mashhad, 2066: Thursday 6 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-06", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Dvādaśī 2066 falls on Thursday 6 May. Dvādaśī runs from 08:53 on Thu 6 May to 07:09 on Fri 7 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7888, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-05-06T08:53:11+03:30", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "end": { "local": "2066-05-07T07:09:07+03:30", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-06T08:53:11+03:30", "utc": "2066-05-06T05:23:11Z", "ms": 3040348990673.068 }, "end": { "local": "2066-05-07T07:09:07+03:30", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-06", "window": { "start": { "local": "2066-05-06T11:04:38+03:30", "utc": "2066-05-06T07:34:38Z", "ms": 3040356878396.263 }, "end": { "local": "2066-05-06T11:52:38+03:30", "utc": "2066-05-06T08:22:38Z", "ms": 3040359758396.263 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-07", "window": { "start": { "local": "2066-05-07T11:04:34+03:30", "utc": "2066-05-07T07:34:34Z", "ms": 3040443274299.6543 }, "end": { "local": "2066-05-07T11:52:34+03:30", "utc": "2066-05-07T08:22:34Z", "ms": 3040446154299.6543 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:53 on Thu 6 May to 07:09 on Fri 7 May.", "fact": "2066-05-06T05:23:11Z → 2066-05-07T03:39:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7888 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Mashhad, 2066: Thursday 6 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-06", "confidence": "determinate" } ], "quote": "In Mashhad, Rukmiṇī Dvādaśī 2066 falls on Thursday 6 May. Dvādaśī runs from 08:53 on Thu 6 May to 07:09 on Fri 7 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/pradosha-vrata?on=2066-05-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32334, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-05-07T07:09:07+03:30", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 }, "end": { "local": "2066-05-08T04:44:17+03:30", "utc": "2066-05-08T01:14:17Z", "ms": 3040506857487.594 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-07T07:09:07+03:30", "utc": "2066-05-07T03:39:07Z", "ms": 3040429147219.354 }, "end": { "local": "2066-05-08T04:44:17+03:30", "utc": "2066-05-08T01:14:17Z", "ms": 3040506857487.594 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-05-06", "window": { "start": { "local": "2066-05-06T18:23:34+03:30", "utc": "2066-05-06T14:53:34Z", "ms": 3040383214024.2886 }, "end": { "local": "2066-05-06T19:44:47+03:30", "utc": "2066-05-06T16:14:47Z", "ms": 3040388087279.5264 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2066-05-07", "window": { "start": { "local": "2066-05-07T18:24:25+03:30", "utc": "2066-05-07T14:54:25Z", "ms": 3040469665160.7373 }, "end": { "local": "2066-05-07T19:45:24+03:30", "utc": "2066-05-07T16:15:24Z", "ms": 3040474523856.173 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:09 on Fri 7 May to 04:44 on Sat 8 May.", "fact": "2066-05-07T03:39:07Z → 2066-05-08T01:14:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:45 on the 6th, 18:24–19:45 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 6th and 81 of 81 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32334 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Friday 7 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-07", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Friday 7 May. Trayodaśī runs from 07:09 on Fri 7 May to 04:44 on Sat 8 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21695, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-05-08T04:44:17+03:30", "utc": "2066-05-08T01:14:17Z", "ms": 3040506857487.594 }, "end": { "local": "2066-05-09T01:47:35+03:30", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-08T04:44:17+03:30", "utc": "2066-05-08T01:14:17Z", "ms": 3040506857487.594 }, "end": { "local": "2066-05-09T01:47:35+03:30", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-05-07", "window": { "start": { "local": "2066-05-07T18:24:25+03:30", "utc": "2066-05-07T14:54:25Z", "ms": 3040469665160.7373 }, "end": { "local": "2066-05-07T19:45:24+03:30", "utc": "2066-05-07T16:15:24Z", "ms": 3040474523856.173 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2066-05-08", "window": { "start": { "local": "2066-05-08T18:25:16+03:30", "utc": "2066-05-08T14:55:16Z", "ms": 3040556116123.442 }, "end": { "local": "2066-05-08T19:46:00+03:30", "utc": "2066-05-08T16:16:00Z", "ms": 3040560960455.1255 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:44 on Sat 8 May to 01:48 on Sun 9 May.", "fact": "2066-05-08T01:14:17Z → 2066-05-08T22:17:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:45 on the 7th, 18:25–19:46 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 7th and 81 of 81 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21695 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Mashhad, 2066: Saturday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-08", "confidence": "determinate" } ], "quote": "In Mashhad, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2066 falls on Saturday 8 May. Caturdaśī runs from 04:44 on Sat 8 May to 01:48 on Sun 9 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33413, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-05-09T01:47:35+03:30", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "end": { "local": "2066-05-09T22:28:58+03:30", "utc": "2066-05-09T18:58:58Z", "ms": 3040657137938.813 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-09T01:47:35+03:30", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "end": { "local": "2066-05-09T22:28:58+03:30", "utc": "2066-05-09T18:58:58Z", "ms": 3040657137938.813 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-09", "window": { "start": { "local": "2066-05-09T11:04:28+03:30", "utc": "2066-05-09T07:34:28Z", "ms": 3040616067754.286 }, "end": { "local": "2066-05-09T11:52:28+03:30", "utc": "2066-05-09T08:22:28Z", "ms": 3040618947754.286 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-10", "window": { "start": { "local": "2066-05-10T11:04:25+03:30", "utc": "2066-05-10T07:34:25Z", "ms": 3040702465318.6064 }, "end": { "local": "2066-05-10T11:52:25+03:30", "utc": "2066-05-10T08:22:25Z", "ms": 3040705345318.6064 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:48 on Sun 9 May to 22:29 on Sun 9 May.", "fact": "2066-05-08T22:17:35Z → 2066-05-09T18:58:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33413 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Mashhad, 2066: Sunday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-09", "confidence": "determinate" } ], "quote": "In Mashhad, Buddha Pūrṇimā 2066 falls on Sunday 9 May. Pūrṇimā runs from 01:48 on Sun 9 May to 22:29 on Sun 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33413, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-05-09T01:47:35+03:30", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "end": { "local": "2066-05-09T22:28:58+03:30", "utc": "2066-05-09T18:58:58Z", "ms": 3040657137938.813 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-09T01:47:35+03:30", "utc": "2066-05-08T22:17:35Z", "ms": 3040582655131.0435 }, "end": { "local": "2066-05-09T22:28:58+03:30", "utc": "2066-05-09T18:58:58Z", "ms": 3040657137938.813 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-09", "window": { "start": { "local": "2066-05-09T11:04:28+03:30", "utc": "2066-05-09T07:34:28Z", "ms": 3040616067754.286 }, "end": { "local": "2066-05-09T11:52:28+03:30", "utc": "2066-05-09T08:22:28Z", "ms": 3040618947754.286 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-05-10", "window": { "start": { "local": "2066-05-10T11:04:25+03:30", "utc": "2066-05-10T07:34:25Z", "ms": 3040702465318.6064 }, "end": { "local": "2066-05-10T11:52:25+03:30", "utc": "2066-05-10T08:22:25Z", "ms": 3040705345318.6064 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:48 on Sun 9 May to 22:29 on Sun 9 May.", "fact": "2066-05-08T22:17:35Z → 2066-05-09T18:58:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33413 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Mashhad, 2066: Sunday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-09", "confidence": "determinate" } ], "quote": "In Mashhad, Sampat Gaurī Vrata 2066 falls on Sunday 9 May. Pūrṇimā runs from 01:48 on Sun 9 May to 22:29 on Sun 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-05-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34891, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-05-12T12:02:55+03:30", "utc": "2066-05-12T08:32:55Z", "ms": 3040878775014.984 }, "end": { "local": "2066-05-13T08:55:07+03:30", "utc": "2066-05-13T05:25:07Z", "ms": 3040953907039.603 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-12T12:02:55+03:30", "utc": "2066-05-12T08:32:55Z", "ms": 3040878775014.984 }, "end": { "local": "2066-05-13T08:55:07+03:30", "utc": "2066-05-13T05:25:07Z", "ms": 3040953907039.603 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-05-12", "window": { "start": { "local": "2066-05-12T21:44:26+03:30", "utc": "2066-05-12T18:14:26Z", "ms": 3040913665623.3745 }, "end": { "local": "2066-05-12T21:44:26+03:30", "utc": "2066-05-12T18:14:26Z", "ms": 3040913665623.3745 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-05-13", "window": { "start": { "local": "2066-05-13T22:35:31+03:30", "utc": "2066-05-13T19:05:31Z", "ms": 3041003130729.0747 }, "end": { "local": "2066-05-13T22:35:31+03:30", "utc": "2066-05-13T19:05:31Z", "ms": 3041003130729.0747 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:03 on Wed 12 May to 08:55 on Thu 13 May.", "fact": "2066-05-12T08:32:55Z → 2066-05-13T05:25:07Z" }, { "step": "kaala", "text": "Moonrise is at 21:44 on the 12th and 22:36 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34891 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Wednesday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-12", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Wednesday 12 May. Caturthī runs from 12:03 on Wed 12 May to 08:55 on Thu 13 May and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ekadashi?on=2066-05-19", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12534, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-05-19T00:24:03+03:30", "utc": "2066-05-18T20:54:03Z", "ms": 3041441642951.6924 }, "end": { "local": "2066-05-20T00:53:03+03:30", "utc": "2066-05-19T21:23:03Z", "ms": 3041529783473.0664 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-19T00:24:03+03:30", "utc": "2066-05-18T20:54:03Z", "ms": 3041441642951.6924 }, "end": { "local": "2066-05-20T00:53:03+03:30", "utc": "2066-05-19T21:23:03Z", "ms": 3041529783473.0664 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-05-19", "window": { "start": { "local": "2066-05-19T04:22:38+03:30", "utc": "2066-05-19T00:52:38Z", "ms": 3041455958394.9277 }, "end": { "local": "2066-05-19T04:22:38+03:30", "utc": "2066-05-19T00:52:38Z", "ms": 3041455958394.9277 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-05-20", "window": { "start": { "local": "2066-05-20T04:21:58+03:30", "utc": "2066-05-20T00:51:58Z", "ms": 3041542317668.3877 }, "end": { "local": "2066-05-20T04:21:58+03:30", "utc": "2066-05-20T00:51:58Z", "ms": 3041542317668.3877 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:24 on Wed 19 May to 00:53 on Thu 20 May.", "fact": "2066-05-18T20:54:03Z → 2066-05-19T21:23:03Z" }, { "step": "kaala", "text": "Sunrise is at 04:23 on the 19th and 04:22 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12534 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Mashhad, 2066: Wednesday 19 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-19", "confidence": "determinate" } ], "quote": "In Mashhad, Aparā Ekādaśī 2066 falls on Wednesday 19 May. Ekādaśī runs from 00:24 on Wed 19 May to 00:53 on Thu 20 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-05-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21448, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-05-21T01:50:44+03:30", "utc": "2066-05-20T22:20:44Z", "ms": 3041619644413.8047 }, "end": { "local": "2066-05-22T03:14:30+03:30", "utc": "2066-05-21T23:44:30Z", "ms": 3041711070268.9263 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-21T01:50:44+03:30", "utc": "2066-05-20T22:20:44Z", "ms": 3041619644413.8047 }, "end": { "local": "2066-05-22T03:14:30+03:30", "utc": "2066-05-21T23:44:30Z", "ms": 3041711070268.9263 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-05-20", "window": { "start": { "local": "2066-05-20T18:35:07+03:30", "utc": "2066-05-20T15:05:07Z", "ms": 3041593507082.4214 }, "end": { "local": "2066-05-20T19:53:17+03:30", "utc": "2066-05-20T16:23:17Z", "ms": 3041598196608.735 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "2066-05-21", "window": { "start": { "local": "2066-05-21T18:35:54+03:30", "utc": "2066-05-21T15:05:54Z", "ms": 3041679953803.013 }, "end": { "local": "2066-05-21T19:53:52+03:30", "utc": "2066-05-21T16:23:52Z", "ms": 3041684632095.1157 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:51 on Fri 21 May to 03:15 on Sat 22 May.", "fact": "2066-05-20T22:20:44Z → 2066-05-21T23:44:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–19:53 on the 20th, 18:36–19:54 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 20th and 78 of 78 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21448 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Friday 21 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-21", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Friday 21 May. Trayodaśī runs from 01:51 on Fri 21 May to 03:15 on Sat 22 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-05-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shivaratri?on=2066-05-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12133, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-05-22T03:14:30+03:30", "utc": "2066-05-21T23:44:30Z", "ms": 3041711070268.9263 }, "end": { "local": "2066-05-23T05:01:38+03:30", "utc": "2066-05-23T01:31:38Z", "ms": 3041803898059.545 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-22T03:14:30+03:30", "utc": "2066-05-21T23:44:30Z", "ms": 3041711070268.9263 }, "end": { "local": "2066-05-23T05:01:38+03:30", "utc": "2066-05-23T01:31:38Z", "ms": 3041803898059.545 } }, "kaala": "nishita", "days": [ { "local_date": "2066-05-21", "window": { "start": { "local": "2066-05-21T23:04:17+03:30", "utc": "2066-05-21T19:34:17Z", "ms": 3041696057398.3975 }, "end": { "local": "2066-05-21T23:52:17+03:30", "utc": "2066-05-21T20:22:17Z", "ms": 3041698937398.3975 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-22", "window": { "start": { "local": "2066-05-22T23:04:23+03:30", "utc": "2066-05-22T19:34:23Z", "ms": 3041782462526.6543 }, "end": { "local": "2066-05-22T23:52:23+03:30", "utc": "2066-05-22T20:22:23Z", "ms": 3041785342526.6543 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:15 on Sat 22 May to 05:02 on Sun 23 May.", "fact": "2066-05-21T23:44:30Z → 2066-05-23T01:31:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:04–23:52 on the 21st, 23:04–23:52 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12133 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Saturday 22 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-22", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Saturday 22 May. Caturdaśī runs from 03:15 on Sat 22 May to 05:02 on Sun 23 May and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 836, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-05-26T12:06:59+03:30", "utc": "2066-05-26T08:36:59Z", "ms": 3042088619155.952 }, "end": { "local": "2066-05-27T14:44:39+03:30", "utc": "2066-05-27T11:14:39Z", "ms": 3042184478572.9907 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-26T12:06:59+03:30", "utc": "2066-05-26T08:36:59Z", "ms": 3042088619155.952 }, "end": { "local": "2066-05-27T14:44:39+03:30", "utc": "2066-05-27T11:14:39Z", "ms": 3042184478572.9907 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-26", "window": { "start": { "local": "2066-05-26T11:05:03+03:30", "utc": "2066-05-26T07:35:03Z", "ms": 3042084902800.319 }, "end": { "local": "2066-05-26T11:53:03+03:30", "utc": "2066-05-26T08:23:03Z", "ms": 3042087782800.319 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-27", "window": { "start": { "local": "2066-05-27T11:05:10+03:30", "utc": "2066-05-27T07:35:10Z", "ms": 3042171309564.8945 }, "end": { "local": "2066-05-27T11:53:10+03:30", "utc": "2066-05-27T08:23:10Z", "ms": 3042174189564.8945 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:07 on Wed 26 May to 14:45 on Thu 27 May.", "fact": "2066-05-26T08:36:59Z → 2066-05-27T11:14:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 26th, 11:05–11:53 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 836 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Mashhad, 2066: Thursday 27 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-26", "confidence": "determinate" } ], "quote": "In Mashhad, Rambhā Tṛtīyā 2066 falls on Thursday 27 May. Tṛtīyā runs from 12:07 on Wed 26 May to 14:45 on Thu 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-05-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10289, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-05-27T14:44:39+03:30", "utc": "2066-05-27T11:14:39Z", "ms": 3042184478572.9907 }, "end": { "local": "2066-05-28T17:16:12+03:30", "utc": "2066-05-28T13:46:12Z", "ms": 3042279972487.3013 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-27T14:44:39+03:30", "utc": "2066-05-27T11:14:39Z", "ms": 3042184478572.9907 }, "end": { "local": "2066-05-28T17:16:12+03:30", "utc": "2066-05-28T13:46:12Z", "ms": 3042279972487.3013 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-27", "window": { "start": { "local": "2066-05-27T11:05:10+03:30", "utc": "2066-05-27T07:35:10Z", "ms": 3042171309564.8945 }, "end": { "local": "2066-05-27T11:53:10+03:30", "utc": "2066-05-27T08:23:10Z", "ms": 3042174189564.8945 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-28", "window": { "start": { "local": "2066-05-28T11:05:17+03:30", "utc": "2066-05-28T07:35:17Z", "ms": 3042257716772.9126 }, "end": { "local": "2066-05-28T11:53:17+03:30", "utc": "2066-05-28T08:23:17Z", "ms": 3042260596772.9126 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:45 on Thu 27 May to 17:16 on Fri 28 May.", "fact": "2066-05-27T11:14:39Z → 2066-05-28T13:46:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 27th, 11:05–11:53 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10289 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Friday 28 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": "2066-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-28", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Friday 28 May. Caturthī runs from 14:45 on Thu 27 May to 17:16 on Fri 28 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-05-28", "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/2066/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27447, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-05-29T19:30:52+03:30", "utc": "2066-05-29T16:00:52Z", "ms": 3042374451644.5635 }, "end": { "local": "2066-05-30T21:17:30+03:30", "utc": "2066-05-30T17:47:30Z", "ms": 3042467249566.492 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-29T19:30:52+03:30", "utc": "2066-05-29T16:00:52Z", "ms": 3042374451644.5635 }, "end": { "local": "2066-05-30T21:17:30+03:30", "utc": "2066-05-30T17:47:30Z", "ms": 3042467249566.492 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-29", "window": { "start": { "local": "2066-05-29T11:05:24+03:30", "utc": "2066-05-29T07:35:24Z", "ms": 3042344124408.0254 }, "end": { "local": "2066-05-29T11:53:24+03:30", "utc": "2066-05-29T08:23:24Z", "ms": 3042347004408.0254 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-30", "window": { "start": { "local": "2066-05-30T11:05:32+03:30", "utc": "2066-05-30T07:35:32Z", "ms": 3042430532453.5483 }, "end": { "local": "2066-05-30T11:53:32+03:30", "utc": "2066-05-30T08:23:32Z", "ms": 3042433412453.5483 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:31 on Sat 29 May to 21:17 on Sun 30 May.", "fact": "2066-05-29T16:00:52Z → 2066-05-30T17:47:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 29th, 11:06–11:54 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27447 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Mashhad, 2066: Sunday 30 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-30", "confidence": "determinate" } ], "quote": "In Mashhad, Araṇya Gaurī Vrata 2066 falls on Sunday 30 May. Ṣaṣṭhī runs from 19:31 on Sat 29 May to 21:17 on Sun 30 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27447, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-05-29T19:30:52+03:30", "utc": "2066-05-29T16:00:52Z", "ms": 3042374451644.5635 }, "end": { "local": "2066-05-30T21:17:30+03:30", "utc": "2066-05-30T17:47:30Z", "ms": 3042467249566.492 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-05-29T19:30:52+03:30", "utc": "2066-05-29T16:00:52Z", "ms": 3042374451644.5635 }, "end": { "local": "2066-05-30T21:17:30+03:30", "utc": "2066-05-30T17:47:30Z", "ms": 3042467249566.492 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-05-29", "window": { "start": { "local": "2066-05-29T11:05:24+03:30", "utc": "2066-05-29T07:35:24Z", "ms": 3042344124408.0254 }, "end": { "local": "2066-05-29T11:53:24+03:30", "utc": "2066-05-29T08:23:24Z", "ms": 3042347004408.0254 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-05-30", "window": { "start": { "local": "2066-05-30T11:05:32+03:30", "utc": "2066-05-30T07:35:32Z", "ms": 3042430532453.5483 }, "end": { "local": "2066-05-30T11:53:32+03:30", "utc": "2066-05-30T08:23:32Z", "ms": 3042433412453.5483 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:31 on Sat 29 May to 21:17 on Sun 30 May.", "fact": "2066-05-29T16:00:52Z → 2066-05-30T17:47:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 29th, 11:06–11:54 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27447 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Mashhad, 2066: Sunday 30 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-05-30", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2066 falls on Sunday 30 May. Ṣaṣṭhī runs from 19:31 on Sat 29 May to 21:17 on Sun 30 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-06-04", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25527, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-06-03T21:09:36+03:30", "utc": "2066-06-03T17:39:36Z", "ms": 3042812376181.4473 }, "end": { "local": "2066-06-04T19:09:32+03:30", "utc": "2066-06-04T15:39:32Z", "ms": 3042891571552.846 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-03T21:09:36+03:30", "utc": "2066-06-03T17:39:36Z", "ms": 3042812376181.4473 }, "end": { "local": "2066-06-04T19:09:32+03:30", "utc": "2066-06-04T15:39:32Z", "ms": 3042891571552.846 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-06-04", "window": { "start": { "local": "2066-06-04T04:15:04+03:30", "utc": "2066-06-04T00:45:04Z", "ms": 3042837903549.941 }, "end": { "local": "2066-06-04T04:15:04+03:30", "utc": "2066-06-04T00:45:04Z", "ms": 3042837903549.941 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-06-05", "window": { "start": { "local": "2066-06-05T04:14:49+03:30", "utc": "2066-06-05T00:44:49Z", "ms": 3042924289400.694 }, "end": { "local": "2066-06-05T04:14:49+03:30", "utc": "2066-06-05T00:44:49Z", "ms": 3042924289400.694 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:10 on Thu 3 Jun to 19:10 on Fri 4 Jun.", "fact": "2066-06-03T17:39:36Z → 2066-06-04T15:39:32Z" }, { "step": "kaala", "text": "Sunrise is at 04:15 on the 4th and 04:15 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25527 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Mashhad, 2066: Friday 4 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-04", "confidence": "determinate" } ], "quote": "In Mashhad, Nirjalā Ekādaśī 2066 falls on Friday 4 June. Ekādaśī runs from 21:10 on Thu 3 Jun to 19:10 on Fri 4 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16536, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-06-04T19:09:32+03:30", "utc": "2066-06-04T15:39:32Z", "ms": 3042891571552.846 }, "end": { "local": "2066-06-05T16:30:04+03:30", "utc": "2066-06-05T13:00:04Z", "ms": 3042968404080.228 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-04T19:09:32+03:30", "utc": "2066-06-04T15:39:32Z", "ms": 3042891571552.846 }, "end": { "local": "2066-06-05T16:30:04+03:30", "utc": "2066-06-05T13:00:04Z", "ms": 3042968404080.228 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-04", "window": { "start": { "local": "2066-06-04T11:06:18+03:30", "utc": "2066-06-04T07:36:18Z", "ms": 3042862578243.208 }, "end": { "local": "2066-06-04T11:54:18+03:30", "utc": "2066-06-04T08:24:18Z", "ms": 3042865458243.208 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-06-05", "window": { "start": { "local": "2066-06-05T11:06:28+03:30", "utc": "2066-06-05T07:36:28Z", "ms": 3042948988396.5386 }, "end": { "local": "2066-06-05T11:54:28+03:30", "utc": "2066-06-05T08:24:28Z", "ms": 3042951868396.5386 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:10 on Fri 4 Jun to 16:30 on Sat 5 Jun.", "fact": "2066-06-04T15:39:32Z → 2066-06-05T13:00:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 4th, 11:06–11:54 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16536 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Mashhad, 2066: Saturday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-05", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Rāma Dvādaśī 2066 falls on Saturday 5 June. Dvādaśī runs from 19:10 on Fri 4 Jun to 16:30 on Sat 5 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/pradosha-vrata?on=2066-06-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8163, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-06-05T16:30:04+03:30", "utc": "2066-06-05T13:00:04Z", "ms": 3042968404080.228 }, "end": { "local": "2066-06-06T13:19:19+03:30", "utc": "2066-06-06T09:49:19Z", "ms": 3043043358906.8496 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-05T16:30:04+03:30", "utc": "2066-06-05T13:00:04Z", "ms": 3042968404080.228 }, "end": { "local": "2066-06-06T13:19:19+03:30", "utc": "2066-06-06T09:49:19Z", "ms": 3043043358906.8496 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-06-05", "window": { "start": { "local": "2066-06-05T18:46:07+03:30", "utc": "2066-06-05T15:16:07Z", "ms": 3042976567392.3833 }, "end": { "local": "2066-06-05T20:01:55+03:30", "utc": "2066-06-05T16:31:55Z", "ms": 3042981115334.042 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2066-06-06", "window": { "start": { "local": "2066-06-06T18:46:41+03:30", "utc": "2066-06-06T15:16:41Z", "ms": 3043063000734.3945 }, "end": { "local": "2066-06-06T20:02:23+03:30", "utc": "2066-06-06T16:32:23Z", "ms": 3043067542798.2417 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:30 on Sat 5 Jun to 13:19 on Sun 6 Jun.", "fact": "2066-06-05T13:00:04Z → 2066-06-06T09:49:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:02 on the 5th, 18:47–20:02 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 76 of 76 minutes on the 5th and 0 of 76 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8163 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Saturday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-05", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Saturday 5 June. Trayodaśī runs from 16:30 on Sat 5 Jun to 13:19 on Sun 6 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32441, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-06-07T09:46:32+03:30", "utc": "2066-06-07T06:16:32Z", "ms": 3043116991907.2075 }, "end": { "local": "2066-06-08T06:01:34+03:30", "utc": "2066-06-08T02:31:34Z", "ms": 3043189894160.7915 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-07T09:46:32+03:30", "utc": "2066-06-07T06:16:32Z", "ms": 3043116991907.2075 }, "end": { "local": "2066-06-08T06:01:34+03:30", "utc": "2066-06-08T02:31:34Z", "ms": 3043189894160.7915 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-06-07", "window": { "start": { "local": "2066-06-07T18:47:13+03:30", "utc": "2066-06-07T15:17:13Z", "ms": 3043149432931.8584 }, "end": { "local": "2066-06-07T20:02:49+03:30", "utc": "2066-06-07T16:32:49Z", "ms": 3043153969497.824 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2066-06-08", "window": { "start": { "local": "2066-06-08T18:47:44+03:30", "utc": "2066-06-08T15:17:44Z", "ms": 3043235863954.8633 }, "end": { "local": "2066-06-08T20:03:15+03:30", "utc": "2066-06-08T16:33:15Z", "ms": 3043240395406.911 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:47 on Mon 7 Jun to 06:02 on Tue 8 Jun.", "fact": "2066-06-07T06:16:32Z → 2066-06-08T02:31:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:03 on the 7th, 18:48–20:03 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 7th and 0 of 76 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32441 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Mashhad, 2066: Monday 7 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-07", "confidence": "determinate" } ], "quote": "In Mashhad, Vaṭa Sāvitrī Vrata 2066 falls on Monday 7 June. Pūrṇimā runs from 09:47 on Mon 7 Jun to 06:02 on Tue 8 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-06-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7177, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-06-10T19:12:08+03:30", "utc": "2066-06-10T15:42:08Z", "ms": 3043410127750.0034 }, "end": { "local": "2066-06-11T16:14:40+03:30", "utc": "2066-06-11T12:44:40Z", "ms": 3043485880293.5923 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-10T19:12:08+03:30", "utc": "2066-06-10T15:42:08Z", "ms": 3043410127750.0034 }, "end": { "local": "2066-06-11T16:14:40+03:30", "utc": "2066-06-11T12:44:40Z", "ms": 3043485880293.5923 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-06-10", "window": { "start": { "local": "2066-06-10T21:11:44+03:30", "utc": "2066-06-10T17:41:44Z", "ms": 3043417304356.141 }, "end": { "local": "2066-06-10T21:11:44+03:30", "utc": "2066-06-10T17:41:44Z", "ms": 3043417304356.141 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-06-11", "window": { "start": { "local": "2066-06-11T21:51:30+03:30", "utc": "2066-06-11T18:21:30Z", "ms": 3043506089780.936 }, "end": { "local": "2066-06-11T21:51:30+03:30", "utc": "2066-06-11T18:21:30Z", "ms": 3043506089780.936 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:12 on Thu 10 Jun to 16:15 on Fri 11 Jun.", "fact": "2066-06-10T15:42:08Z → 2066-06-11T12:44:40Z" }, { "step": "kaala", "text": "Moonrise is at 21:12 on the 10th and 21:51 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7177 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Thursday 10 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": "2066-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-10", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Thursday 10 June. Caturthī runs from 19:12 on Thu 10 Jun to 16:15 on Fri 11 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ekadashi?on=2066-06-18", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27566, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-06-17T11:53:38+03:30", "utc": "2066-06-17T08:23:38Z", "ms": 3043988618196.5356 }, "end": { "local": "2066-06-18T13:25:01+03:30", "utc": "2066-06-18T09:55:01Z", "ms": 3044080500678.0483 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-17T11:53:38+03:30", "utc": "2066-06-17T08:23:38Z", "ms": 3043988618196.5356 }, "end": { "local": "2066-06-18T13:25:01+03:30", "utc": "2066-06-18T09:55:01Z", "ms": 3044080500678.0483 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-06-17", "window": { "start": { "local": "2066-06-17T04:14:12+03:30", "utc": "2066-06-17T00:44:12Z", "ms": 3043961052134.558 }, "end": { "local": "2066-06-17T04:14:12+03:30", "utc": "2066-06-17T00:44:12Z", "ms": 3043961052134.558 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-06-18", "window": { "start": { "local": "2066-06-18T04:14:20+03:30", "utc": "2066-06-18T00:44:20Z", "ms": 3044047459877.4253 }, "end": { "local": "2066-06-18T04:14:20+03:30", "utc": "2066-06-18T00:44:20Z", "ms": 3044047459877.4253 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:54 on Thu 17 Jun to 13:25 on Fri 18 Jun.", "fact": "2066-06-17T08:23:38Z → 2066-06-18T09:55:01Z" }, { "step": "kaala", "text": "Sunrise is at 04:14 on the 17th and 04:14 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27566 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Mashhad, 2066: Friday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-18", "confidence": "determinate" } ], "quote": "In Mashhad, Yoginī Ekādaśī 2066 falls on Friday 18 June. Ekādaśī runs from 11:54 on Thu 17 Jun to 13:25 on Fri 18 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-06-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4297, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-06-19T15:23:02+03:30", "utc": "2066-06-19T11:53:02Z", "ms": 3044173981515.729 }, "end": { "local": "2066-06-20T17:40:36+03:30", "utc": "2066-06-20T14:10:36Z", "ms": 3044268636092.981 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-19T15:23:02+03:30", "utc": "2066-06-19T11:53:02Z", "ms": 3044173981515.729 }, "end": { "local": "2066-06-20T17:40:36+03:30", "utc": "2066-06-20T14:10:36Z", "ms": 3044268636092.981 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-06-19", "window": { "start": { "local": "2066-06-19T18:51:59+03:30", "utc": "2066-06-19T15:21:59Z", "ms": 3044186518938.855 }, "end": { "local": "2066-06-19T20:07:00+03:30", "utc": "2066-06-19T16:37:00Z", "ms": 3044191020430.9346 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "2066-06-20", "window": { "start": { "local": "2066-06-20T18:52:13+03:30", "utc": "2066-06-20T15:22:13Z", "ms": 3044272933478.4224 }, "end": { "local": "2066-06-20T20:07:15+03:30", "utc": "2066-06-20T16:37:15Z", "ms": 3044277434693.098 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:23 on Sat 19 Jun to 17:41 on Sun 20 Jun.", "fact": "2066-06-19T11:53:02Z → 2066-06-20T14:10:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:07 on the 19th, 18:52–20:07 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 75 of 75 minutes on the 19th and 0 of 75 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4297 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Saturday 19 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-19", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Saturday 19 June. Trayodaśī runs from 15:23 on Sat 19 Jun to 17:41 on Sun 20 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-06-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shivaratri?on=2066-06-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10752, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-06-20T17:40:36+03:30", "utc": "2066-06-20T14:10:36Z", "ms": 3044268636092.981 }, "end": { "local": "2066-06-21T20:10:35+03:30", "utc": "2066-06-21T16:40:35Z", "ms": 3044364034828.684 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-20T17:40:36+03:30", "utc": "2066-06-20T14:10:36Z", "ms": 3044268636092.981 }, "end": { "local": "2066-06-21T20:10:35+03:30", "utc": "2066-06-21T16:40:35Z", "ms": 3044364034828.684 } }, "kaala": "nishita", "days": [ { "local_date": "2066-06-20", "window": { "start": { "local": "2066-06-20T23:09:33+03:30", "utc": "2066-06-20T19:39:33Z", "ms": 3044288373033.4565 }, "end": { "local": "2066-06-20T23:57:33+03:30", "utc": "2066-06-20T20:27:33Z", "ms": 3044291253033.4565 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-06-21", "window": { "start": { "local": "2066-06-21T23:09:47+03:30", "utc": "2066-06-21T19:39:47Z", "ms": 3044374786509.198 }, "end": { "local": "2066-06-21T23:57:47+03:30", "utc": "2066-06-21T20:27:47Z", "ms": 3044377666509.198 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:41 on Sun 20 Jun to 20:11 on Mon 21 Jun.", "fact": "2066-06-20T14:10:36Z → 2066-06-21T16:40:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:10–23:58 on the 20th, 23:10–23:58 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10752 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Sunday 20 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-20", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Sunday 20 June. Caturdaśī runs from 17:41 on Sun 20 Jun to 20:11 on Mon 21 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-06-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26718, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2066-06-24T01:19:47+03:30", "utc": "2066-06-23T21:49:47Z", "ms": 3044555387394.463 }, "end": { "local": "2066-06-25T03:45:11+03:30", "utc": "2066-06-25T00:15:11Z", "ms": 3044650511454.792 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-24T01:19:47+03:30", "utc": "2066-06-23T21:49:47Z", "ms": 3044555387394.463 }, "end": { "local": "2066-06-25T03:45:11+03:30", "utc": "2066-06-25T00:15:11Z", "ms": 3044650511454.792 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-24", "window": { "start": { "local": "2066-06-24T11:10:17+03:30", "utc": "2066-06-24T07:40:17Z", "ms": 3044590817341.4854 }, "end": { "local": "2066-06-24T11:58:17+03:30", "utc": "2066-06-24T08:28:17Z", "ms": 3044593697341.4854 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-06-25", "window": { "start": { "local": "2066-06-25T11:10:30+03:30", "utc": "2066-06-25T07:40:30Z", "ms": 3044677229750.337 }, "end": { "local": "2066-06-25T11:58:30+03:30", "utc": "2066-06-25T08:28:30Z", "ms": 3044680109750.337 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:20 on Thu 24 Jun to 03:45 on Fri 25 Jun.", "fact": "2066-06-23T21:49:47Z → 2066-06-25T00:15:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 24th, 11:10–11:58 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26718 s" }, { "step": "ruling", "text": "Rathayātrā, Mashhad, 2066: Thursday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-24", "confidence": "determinate" } ], "quote": "In Mashhad, Rathayātrā 2066 falls on Thursday 24 June. Dvitīyā runs from 01:20 on Thu 24 Jun to 03:45 on Fri 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-06-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12515, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-06-26T05:55:05+03:30", "utc": "2066-06-26T02:25:05Z", "ms": 3044744704560.316 }, "end": { "local": "2066-06-27T07:42:19+03:30", "utc": "2066-06-27T04:12:19Z", "ms": 3044837538884.7173 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-26T05:55:05+03:30", "utc": "2066-06-26T02:25:05Z", "ms": 3044744704560.316 }, "end": { "local": "2066-06-27T07:42:19+03:30", "utc": "2066-06-27T04:12:19Z", "ms": 3044837538884.7173 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-26", "window": { "start": { "local": "2066-06-26T11:10:42+03:30", "utc": "2066-06-26T07:40:42Z", "ms": 3044763642015.925 }, "end": { "local": "2066-06-26T11:58:42+03:30", "utc": "2066-06-26T08:28:42Z", "ms": 3044766522015.925 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-06-27", "window": { "start": { "local": "2066-06-27T11:10:54+03:30", "utc": "2066-06-27T07:40:54Z", "ms": 3044850054112.3877 }, "end": { "local": "2066-06-27T11:58:54+03:30", "utc": "2066-06-27T08:28:54Z", "ms": 3044852934112.3877 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:55 on Sat 26 Jun to 07:42 on Sun 27 Jun.", "fact": "2066-06-26T02:25:05Z → 2066-06-27T04:12:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 26th, 11:11–11:59 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12515 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Saturday 26 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-26", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Saturday 26 June. Caturthī runs from 05:55 on Sat 26 Jun to 07:42 on Sun 27 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7862, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-06-27T07:42:19+03:30", "utc": "2066-06-27T04:12:19Z", "ms": 3044837538884.7173 }, "end": { "local": "2066-06-28T09:00:04+03:30", "utc": "2066-06-28T05:30:04Z", "ms": 3044928603773.418 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-27T07:42:19+03:30", "utc": "2066-06-27T04:12:19Z", "ms": 3044837538884.7173 }, "end": { "local": "2066-06-28T09:00:04+03:30", "utc": "2066-06-28T05:30:04Z", "ms": 3044928603773.418 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-27", "window": { "start": { "local": "2066-06-27T11:10:54+03:30", "utc": "2066-06-27T07:40:54Z", "ms": 3044850054112.3877 }, "end": { "local": "2066-06-27T11:58:54+03:30", "utc": "2066-06-27T08:28:54Z", "ms": 3044852934112.3877 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-06-28", "window": { "start": { "local": "2066-06-28T11:11:06+03:30", "utc": "2066-06-28T07:41:06Z", "ms": 3044936466014.4653 }, "end": { "local": "2066-06-28T11:59:06+03:30", "utc": "2066-06-28T08:29:06Z", "ms": 3044939346014.4653 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:42 on Sun 27 Jun to 09:00 on Mon 28 Jun.", "fact": "2066-06-27T04:12:19Z → 2066-06-28T05:30:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 27th, 11:11–11:59 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7862 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Mashhad, 2066: Sunday 27 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-27", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Pañcamī 2066 falls on Sunday 27 June. Pañcamī runs from 07:42 on Sun 27 Jun to 09:00 on Mon 28 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5208, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-06-29T09:42:20+03:30", "utc": "2066-06-29T06:12:20Z", "ms": 3045017540293.987 }, "end": { "local": "2066-06-30T09:44:41+03:30", "utc": "2066-06-30T06:14:41Z", "ms": 3045104080996.583 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-06-29T09:42:20+03:30", "utc": "2066-06-29T06:12:20Z", "ms": 3045017540293.987 }, "end": { "local": "2066-06-30T09:44:41+03:30", "utc": "2066-06-30T06:14:41Z", "ms": 3045104080996.583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-06-29", "window": { "start": { "local": "2066-06-29T11:11:18+03:30", "utc": "2066-06-29T07:41:18Z", "ms": 3045022877697.6475 }, "end": { "local": "2066-06-29T11:59:18+03:30", "utc": "2066-06-29T08:29:18Z", "ms": 3045025757697.6475 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-06-30", "window": { "start": { "local": "2066-06-30T11:11:29+03:30", "utc": "2066-06-30T07:41:29Z", "ms": 3045109289138.3164 }, "end": { "local": "2066-06-30T11:59:29+03:30", "utc": "2066-06-30T08:29:29Z", "ms": 3045112169138.3164 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 09:42 on Tue 29 Jun to 09:45 on Wed 30 Jun.", "fact": "2066-06-29T06:12:20Z → 2066-06-30T06:14:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 29th, 11:11–11:59 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5208 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Mashhad, 2066: Tuesday 29 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-06-29", "confidence": "determinate" } ], "quote": "In Mashhad, Vivasvat Saptamī 2066 falls on Tuesday 29 June. Saptamī runs from 09:42 on Tue 29 Jun to 09:45 on Wed 30 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-07-03", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4599, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-07-03T05:40:24+03:30", "utc": "2066-07-03T02:10:24Z", "ms": 3045348624036.9067 }, "end": { "local": "2066-07-04T03:03:02+03:30", "utc": "2066-07-03T23:33:02Z", "ms": 3045425582324.9893 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-03T05:40:24+03:30", "utc": "2066-07-03T02:10:24Z", "ms": 3045348624036.9067 }, "end": { "local": "2066-07-04T03:03:02+03:30", "utc": "2066-07-03T23:33:02Z", "ms": 3045425582324.9893 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-07-03", "window": { "start": { "local": "2066-07-03T04:19:12+03:30", "utc": "2066-07-03T00:49:12Z", "ms": 3045343751607.7314 }, "end": { "local": "2066-07-03T04:19:12+03:30", "utc": "2066-07-03T00:49:12Z", "ms": 3045343751607.7314 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-07-04", "window": { "start": { "local": "2066-07-04T04:19:41+03:30", "utc": "2066-07-04T00:49:41Z", "ms": 3045430181304.8467 }, "end": { "local": "2066-07-04T04:19:41+03:30", "utc": "2066-07-04T00:49:41Z", "ms": 3045430181304.8467 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:40 on Sat 3 Jul to 03:03 on Sun 4 Jul.", "fact": "2066-07-03T02:10:24Z → 2066-07-03T23:33:02Z" }, { "step": "kaala", "text": "Sunrise is at 04:19 on the 3rd and 04:20 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 4599 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Mashhad, 2066: Saturday 3 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": "2066-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-03", "confidence": "determinate" } ], "quote": "In Mashhad, Hariśayanī Ekādaśī 2066 falls on Saturday 3 July. Ekādaśī runs from 05:40 on Sat 3 Jul to 03:03 on Sun 4 Jul, and is current at sunrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-07-03", "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/2066/pradosha-vrata?on=2066-07-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1255, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-07-04T23:56:45+03:30", "utc": "2066-07-04T20:26:45Z", "ms": 3045500805024.815 }, "end": { "local": "2066-07-05T20:29:13+03:30", "utc": "2066-07-05T16:59:13Z", "ms": 3045574752908.4175 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-04T23:56:45+03:30", "utc": "2066-07-04T20:26:45Z", "ms": 3045500805024.815 }, "end": { "local": "2066-07-05T20:29:13+03:30", "utc": "2066-07-05T16:59:13Z", "ms": 3045574752908.4175 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-07-04", "window": { "start": { "local": "2066-07-04T18:52:43+03:30", "utc": "2066-07-04T15:22:43Z", "ms": 3045482562784.9175 }, "end": { "local": "2066-07-04T20:08:23+03:30", "utc": "2066-07-04T16:38:23Z", "ms": 3045487102692.2866 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "2066-07-05", "window": { "start": { "local": "2066-07-05T18:52:32+03:30", "utc": "2066-07-05T15:22:32Z", "ms": 3045568951834.544 }, "end": { "local": "2066-07-05T20:08:17+03:30", "utc": "2066-07-05T16:38:17Z", "ms": 3045573497447.4326 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:57 on Sun 4 Jul to 20:29 on Mon 5 Jul.", "fact": "2066-07-04T20:26:45Z → 2066-07-05T16:59:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:08 on the 4th, 18:53–20:08 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 76 minutes on the 4th and 76 of 76 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1255 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Monday 5 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-05", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Monday 5 July. Trayodaśī runs from 23:57 on Sun 4 Jul to 20:29 on Mon 5 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3063, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-07-06T16:49:03+03:30", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T13:05:28+03:30", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-06T16:49:03+03:30", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T13:05:28+03:30", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 } }, "kaala": "sayahna", "days": [ { "local_date": "2066-07-06", "window": { "start": { "local": "2066-07-06T15:58:00+03:30", "utc": "2066-07-06T12:28:00Z", "ms": 3045644880078.9375 }, "end": { "local": "2066-07-06T18:52:19+03:30", "utc": "2066-07-06T15:22:19Z", "ms": 3045655339115.8696 } }, "covered_min": 123, "window_min": 174, "qualifies": true }, { "local_date": "2066-07-07", "window": { "start": { "local": "2066-07-07T15:57:55+03:30", "utc": "2066-07-07T12:27:55Z", "ms": 3045731275065.378 }, "end": { "local": "2066-07-07T18:52:05+03:30", "utc": "2066-07-07T15:22:05Z", "ms": 3045741724632.588 } }, "covered_min": 0, "window_min": 174, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:49 on Tue 6 Jul to 13:05 on Wed 7 Jul.", "fact": "2066-07-06T13:19:03Z → 2066-07-07T09:35:28Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:58–18:52 on the 6th, 15:58–18:52 on the 7th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 123 of 174 minutes on the 6th and 0 of 174 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3063 s" }, { "step": "ruling", "text": "Kokilā Vrata, Mashhad, 2066: Tuesday 6 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": "2066-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-06", "confidence": "determinate" } ], "quote": "In Mashhad, Kokilā Vrata 2066 falls on Tuesday 6 July. Pūrṇimā runs from 16:49 on Tue 6 Jul to 13:05 on Wed 7 Jul and covers 123 of 174 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7396, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-07-06T16:49:03+03:30", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T13:05:28+03:30", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-06T16:49:03+03:30", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T13:05:28+03:30", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-07-06", "window": { "start": { "local": "2066-07-06T18:52:19+03:30", "utc": "2066-07-06T15:22:19Z", "ms": 3045655339115.8696 }, "end": { "local": "2066-07-06T20:08:11+03:30", "utc": "2066-07-06T16:38:11Z", "ms": 3045659890806.6255 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2066-07-07", "window": { "start": { "local": "2066-07-07T18:52:05+03:30", "utc": "2066-07-07T15:22:05Z", "ms": 3045741724632.588 }, "end": { "local": "2066-07-07T20:08:03+03:30", "utc": "2066-07-07T16:38:03Z", "ms": 3045746282769.022 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:49 on Tue 6 Jul to 13:05 on Wed 7 Jul.", "fact": "2066-07-06T13:19:03Z → 2066-07-07T09:35:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:08 on the 6th, 18:52–20:08 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 6th and 0 of 76 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7396 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Mashhad, 2066: Tuesday 6 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": "2066-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-06", "confidence": "determinate" } ], "quote": "In Mashhad, Śiva Śayanotsava 2066 falls on Tuesday 6 July. Pūrṇimā runs from 16:49 on Tue 6 Jul to 13:05 on Wed 7 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21002, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-07-06T16:49:03+03:30", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T13:05:28+03:30", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-06T16:49:03+03:30", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T13:05:28+03:30", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 } }, "kaala": "udaya-3", "days": [ { "local_date": "2066-07-06", "window": { "start": { "local": "2066-07-06T04:20:44+03:30", "utc": "2066-07-06T00:50:44Z", "ms": 3045603043931.208 }, "end": { "local": "2066-07-06T07:15:03+03:30", "utc": "2066-07-06T03:45:03Z", "ms": 3045613502968.14 } }, "covered_min": 0, "window_min": 174, "qualifies": false }, { "local_date": "2066-07-07", "window": { "start": { "local": "2066-07-07T04:21:17+03:30", "utc": "2066-07-07T00:51:17Z", "ms": 3045689476796.538 }, "end": { "local": "2066-07-07T07:15:26+03:30", "utc": "2066-07-07T03:45:26Z", "ms": 3045699926363.748 } }, "covered_min": 174, "window_min": 174, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:49 on Tue 6 Jul to 13:05 on Wed 7 Jul.", "fact": "2066-07-06T13:19:03Z → 2066-07-07T09:35:28Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:21–07:15 on the 6th, 04:21–07:15 on the 7th.", "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 174 minutes on the 6th and 174 of 174 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21002 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Mashhad, 2066: Wednesday 7 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-07", "confidence": "determinate" } ], "quote": "In Mashhad, Vyāsa Pūjā 2066 falls on Wednesday 7 July. Pūrṇimā runs from 16:49 on Tue 6 Jul to 13:05 on Wed 7 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3887, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-07-06T16:49:03+03:30", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T13:05:28+03:30", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2066-07-06T16:49:03+03:30", "utc": "2066-07-06T13:19:03Z", "ms": 3045647942930.751 }, "end": { "local": "2066-07-07T13:05:28+03:30", "utc": "2066-07-07T09:35:28Z", "ms": 3045720927948.857 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-07-06", "window": { "start": { "local": "2066-07-06T11:12:32+03:30", "utc": "2066-07-06T07:42:32Z", "ms": 3045627751523.539 }, "end": { "local": "2066-07-06T12:00:32+03:30", "utc": "2066-07-06T08:30:32Z", "ms": 3045630631523.539 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-07-07", "window": { "start": { "local": "2066-07-07T11:12:41+03:30", "utc": "2066-07-07T07:42:41Z", "ms": 3045714160714.563 }, "end": { "local": "2066-07-07T12:00:41+03:30", "utc": "2066-07-07T08:30:41Z", "ms": 3045717040714.563 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:49 on Tue 6 Jul to 13:05 on Wed 7 Jul.", "fact": "2066-07-06T13:19:03Z → 2066-07-07T09:35:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 6th, 11:13–12:01 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3887 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Mashhad, 2066: Wednesday 7 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-07", "confidence": "boundary" } ], "quote": "In Mashhad, Guru Pūrṇimā 2066 falls on Wednesday 7 July. Pūrṇimā runs from 16:49 on Tue 6 Jul to 13:05 on Wed 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36975, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2066-07-08T09:27:59+03:30", "utc": "2066-07-08T05:57:59Z", "ms": 3045794279211.624 }, "end": { "local": "2066-07-09T06:06:09+03:30", "utc": "2066-07-09T02:36:09Z", "ms": 3045868569226.1943 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-08T09:27:59+03:30", "utc": "2066-07-08T05:57:59Z", "ms": 3045794279211.624 }, "end": { "local": "2066-07-09T06:06:09+03:30", "utc": "2066-07-09T02:36:09Z", "ms": 3045868569226.1943 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-07-08", "window": { "start": { "local": "2066-07-08T19:44:15+03:30", "utc": "2066-07-08T16:14:15Z", "ms": 3045831254503.9688 }, "end": { "local": "2066-07-08T19:44:15+03:30", "utc": "2066-07-08T16:14:15Z", "ms": 3045831254503.9688 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-07-09", "window": { "start": { "local": "2066-07-09T20:21:52+03:30", "utc": "2066-07-09T16:51:52Z", "ms": 3045919912490.2725 }, "end": { "local": "2066-07-09T20:21:52+03:30", "utc": "2066-07-09T16:51:52Z", "ms": 3045919912490.2725 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 09:28 on Thu 8 Jul to 06:06 on Fri 9 Jul.", "fact": "2066-07-08T05:57:59Z → 2066-07-09T02:36:09Z" }, { "step": "kaala", "text": "Moonrise is at 19:44 on the 8th and 20:22 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36975 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Mashhad, 2066: Thursday 8 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-08", "confidence": "determinate" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata (Āṣāḍha) 2066 falls on Thursday 8 July. Dvitīyā runs from 09:28 on Thu 8 Jul to 06:06 on Fri 9 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-07-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13847, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-07-10T03:09:12+03:30", "utc": "2066-07-09T23:39:12Z", "ms": 3045944351782.579 }, "end": { "local": "2066-07-11T00:45:36+03:30", "utc": "2066-07-10T21:15:36Z", "ms": 3046022135918.424 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-10T03:09:12+03:30", "utc": "2066-07-09T23:39:12Z", "ms": 3045944351782.579 }, "end": { "local": "2066-07-11T00:45:36+03:30", "utc": "2066-07-10T21:15:36Z", "ms": 3046022135918.424 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-07-09", "window": { "start": { "local": "2066-07-09T20:21:52+03:30", "utc": "2066-07-09T16:51:52Z", "ms": 3045919912490.2725 }, "end": { "local": "2066-07-09T20:21:52+03:30", "utc": "2066-07-09T16:51:52Z", "ms": 3045919912490.2725 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-07-10", "window": { "start": { "local": "2066-07-10T20:54:49+03:30", "utc": "2066-07-10T17:24:49Z", "ms": 3046008288782.9165 }, "end": { "local": "2066-07-10T20:54:49+03:30", "utc": "2066-07-10T17:24:49Z", "ms": 3046008288782.9165 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:09 on Sat 10 Jul to 00:46 on Sun 11 Jul.", "fact": "2066-07-09T23:39:12Z → 2066-07-10T21:15:36Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 9th and 20:55 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13847 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Saturday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-10", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Saturday 10 July. Caturthī runs from 03:09 on Sat 10 Jul to 00:46 on Sun 11 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ekadashi?on=2066-07-17", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1148, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-07-17T01:49:18+03:30", "utc": "2066-07-16T22:19:18Z", "ms": 3046544357528.9106 }, "end": { "local": "2066-07-18T04:09:09+03:30", "utc": "2066-07-18T00:39:09Z", "ms": 3046639148765.6216 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-17T01:49:18+03:30", "utc": "2066-07-16T22:19:18Z", "ms": 3046544357528.9106 }, "end": { "local": "2066-07-18T04:09:09+03:30", "utc": "2066-07-18T00:39:09Z", "ms": 3046639148765.6216 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-07-17", "window": { "start": { "local": "2066-07-17T04:27:35+03:30", "utc": "2066-07-17T00:57:35Z", "ms": 3046553854908.6465 }, "end": { "local": "2066-07-17T04:27:35+03:30", "utc": "2066-07-17T00:57:35Z", "ms": 3046553854908.6465 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-07-18", "window": { "start": { "local": "2066-07-18T04:28:17+03:30", "utc": "2066-07-18T00:58:17Z", "ms": 3046640296907.014 }, "end": { "local": "2066-07-18T04:28:17+03:30", "utc": "2066-07-18T00:58:17Z", "ms": 3046640296907.014 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:49 on Sat 17 Jul to 04:09 on Sun 18 Jul.", "fact": "2066-07-16T22:19:18Z → 2066-07-18T00:39:09Z" }, { "step": "kaala", "text": "Sunrise is at 04:28 on the 17th and 04:28 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 1148 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Mashhad, 2066: Saturday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-17", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmikā Ekādaśī 2066 falls on Saturday 17 July. Ekādaśī runs from 01:49 on Sat 17 Jul to 04:09 on Sun 18 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-07-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34051, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-07-19T06:42:33+03:30", "utc": "2066-07-19T03:12:33Z", "ms": 3046734753059.5957 }, "end": { "local": "2066-07-20T09:18:48+03:30", "utc": "2066-07-20T05:48:48Z", "ms": 3046830527577.126 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-19T06:42:33+03:30", "utc": "2066-07-19T03:12:33Z", "ms": 3046734753059.5957 }, "end": { "local": "2066-07-20T09:18:48+03:30", "utc": "2066-07-20T05:48:48Z", "ms": 3046830527577.126 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-07-19", "window": { "start": { "local": "2066-07-19T18:46:56+03:30", "utc": "2066-07-19T15:16:56Z", "ms": 3046778215652.3184 }, "end": { "local": "2066-07-19T20:04:38+03:30", "utc": "2066-07-19T16:34:38Z", "ms": 3046782877925.4487 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "2066-07-20", "window": { "start": { "local": "2066-07-20T18:46:19+03:30", "utc": "2066-07-20T15:16:19Z", "ms": 3046864578924.503 }, "end": { "local": "2066-07-20T20:04:12+03:30", "utc": "2066-07-20T16:34:12Z", "ms": 3046869251923.902 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:43 on Mon 19 Jul to 09:19 on Tue 20 Jul.", "fact": "2066-07-19T03:12:33Z → 2066-07-20T05:48:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:05 on the 19th, 18:46–20:04 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 78 of 78 minutes on the 19th and 0 of 78 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34051 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Monday 19 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-19", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Monday 19 July. Trayodaśī runs from 06:43 on Mon 19 Jul to 09:19 on Tue 20 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shivaratri?on=2066-07-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33388, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-07-20T09:18:48+03:30", "utc": "2066-07-20T05:48:48Z", "ms": 3046830527577.126 }, "end": { "local": "2066-07-21T11:48:34+03:30", "utc": "2066-07-21T08:18:34Z", "ms": 3046925914467.0806 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-20T09:18:48+03:30", "utc": "2066-07-20T05:48:48Z", "ms": 3046830527577.126 }, "end": { "local": "2066-07-21T11:48:34+03:30", "utc": "2066-07-21T08:18:34Z", "ms": 3046925914467.0806 } }, "kaala": "nishita", "days": [ { "local_date": "2066-07-19", "window": { "start": { "local": "2066-07-19T23:14:19+03:30", "utc": "2066-07-19T19:44:19Z", "ms": 3046794259176.5566 }, "end": { "local": "2066-07-20T00:02:19+03:30", "utc": "2066-07-19T20:32:19Z", "ms": 3046797139176.5566 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-07-20", "window": { "start": { "local": "2066-07-20T23:14:23+03:30", "utc": "2066-07-20T19:44:23Z", "ms": 3046880662672.249 }, "end": { "local": "2066-07-21T00:02:23+03:30", "utc": "2066-07-20T20:32:23Z", "ms": 3046883542672.249 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:19 on Tue 20 Jul to 11:49 on Wed 21 Jul.", "fact": "2066-07-20T05:48:48Z → 2066-07-21T08:18:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:14–00:02 on the 19th, 23:14–00:02 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33388 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Tuesday 20 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-20", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Tuesday 20 July. Caturdaśī runs from 09:19 on Tue 20 Jul to 11:49 on Wed 21 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-07-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19936, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-07-24T17:34:24+03:30", "utc": "2066-07-24T14:04:24Z", "ms": 3047205863911.867 }, "end": { "local": "2066-07-25T18:41:32+03:30", "utc": "2066-07-25T15:11:32Z", "ms": 3047296292435.2397 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-24T17:34:24+03:30", "utc": "2066-07-24T14:04:24Z", "ms": 3047205863911.867 }, "end": { "local": "2066-07-25T18:41:32+03:30", "utc": "2066-07-25T15:11:32Z", "ms": 3047296292435.2397 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-07-24", "window": { "start": { "local": "2066-07-24T11:14:08+03:30", "utc": "2066-07-24T07:44:08Z", "ms": 3047183048128.163 }, "end": { "local": "2066-07-24T12:02:08+03:30", "utc": "2066-07-24T08:32:08Z", "ms": 3047185928128.163 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-07-25", "window": { "start": { "local": "2066-07-25T11:14:09+03:30", "utc": "2066-07-25T07:44:09Z", "ms": 3047269448506.3193 }, "end": { "local": "2066-07-25T12:02:09+03:30", "utc": "2066-07-25T08:32:09Z", "ms": 3047272328506.3193 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:34 on Sat 24 Jul to 18:42 on Sun 25 Jul.", "fact": "2066-07-24T14:04:24Z → 2066-07-25T15:11:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 24th, 11:14–12:02 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19936 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Mashhad, 2066: Sunday 25 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-25", "confidence": "determinate" } ], "quote": "In Mashhad, Madhusravā Tṛtīyā (Hariyali Teej) 2066 falls on Sunday 25 July. Tṛtīyā runs from 17:34 on Sat 24 Jul to 18:42 on Sun 25 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-07-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23964, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-07-25T18:41:32+03:30", "utc": "2066-07-25T15:11:32Z", "ms": 3047296292435.2397 }, "end": { "local": "2066-07-26T19:20:20+03:30", "utc": "2066-07-26T15:50:20Z", "ms": 3047385020091.087 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-25T18:41:32+03:30", "utc": "2066-07-25T15:11:32Z", "ms": 3047296292435.2397 }, "end": { "local": "2066-07-26T19:20:20+03:30", "utc": "2066-07-26T15:50:20Z", "ms": 3047385020091.087 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-07-25", "window": { "start": { "local": "2066-07-25T11:14:09+03:30", "utc": "2066-07-25T07:44:09Z", "ms": 3047269448506.3193 }, "end": { "local": "2066-07-25T12:02:09+03:30", "utc": "2066-07-25T08:32:09Z", "ms": 3047272328506.3193 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-07-26", "window": { "start": { "local": "2066-07-26T11:14:08+03:30", "utc": "2066-07-26T07:44:08Z", "ms": 3047355848286.4023 }, "end": { "local": "2066-07-26T12:02:08+03:30", "utc": "2066-07-26T08:32:08Z", "ms": 3047358728286.4023 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:42 on Sun 25 Jul to 19:20 on Mon 26 Jul.", "fact": "2066-07-25T15:11:32Z → 2066-07-26T15:50:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 25th, 11:14–12:02 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23964 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Monday 26 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-26", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Monday 26 July. Caturthī runs from 18:42 on Sun 25 Jul to 19:20 on Mon 26 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-07-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26292, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-07-26T19:20:20+03:30", "utc": "2066-07-26T15:50:20Z", "ms": 3047385020091.087 }, "end": { "local": "2066-07-27T19:29:03+03:30", "utc": "2066-07-27T15:59:03Z", "ms": 3047471942825.421 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-07-26T19:20:20+03:30", "utc": "2066-07-26T15:50:20Z", "ms": 3047385020091.087 }, "end": { "local": "2066-07-27T19:29:03+03:30", "utc": "2066-07-27T15:59:03Z", "ms": 3047471942825.421 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-07-26", "window": { "start": { "local": "2066-07-26T11:14:08+03:30", "utc": "2066-07-26T07:44:08Z", "ms": 3047355848286.4023 }, "end": { "local": "2066-07-26T12:02:08+03:30", "utc": "2066-07-26T08:32:08Z", "ms": 3047358728286.4023 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-07-27", "window": { "start": { "local": "2066-07-27T11:14:07+03:30", "utc": "2066-07-27T07:44:07Z", "ms": 3047442247461.3037 }, "end": { "local": "2066-07-27T12:02:07+03:30", "utc": "2066-07-27T08:32:07Z", "ms": 3047445127461.3037 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:20 on Mon 26 Jul to 19:29 on Tue 27 Jul.", "fact": "2066-07-26T15:50:20Z → 2066-07-27T15:59:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 26th, 11:14–12:02 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26292 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Mashhad, 2066: Tuesday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-07-27", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī 2066 falls on Tuesday 27 July. Pañcamī runs from 19:20 on Mon 26 Jul to 19:29 on Tue 27 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-08-02", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17688, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-08-01T12:23:06+03:30", "utc": "2066-08-01T08:53:06Z", "ms": 3047878386049.768 }, "end": { "local": "2066-08-02T09:34:28+03:30", "utc": "2066-08-02T06:04:28Z", "ms": 3047954667519.5264 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-08-01T12:23:06+03:30", "utc": "2066-08-01T08:53:06Z", "ms": 3047878386049.768 }, "end": { "local": "2066-08-02T09:34:28+03:30", "utc": "2066-08-02T06:04:28Z", "ms": 3047954667519.5264 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-08-01", "window": { "start": { "local": "2066-08-01T04:38:53+03:30", "utc": "2066-08-01T01:08:53Z", "ms": 3047850532518.64 }, "end": { "local": "2066-08-01T04:38:53+03:30", "utc": "2066-08-01T01:08:53Z", "ms": 3047850532518.64 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-08-02", "window": { "start": { "local": "2066-08-02T04:39:40+03:30", "utc": "2066-08-02T01:09:40Z", "ms": 3047936979999.566 }, "end": { "local": "2066-08-02T04:39:40+03:30", "utc": "2066-08-02T01:09:40Z", "ms": 3047936979999.566 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:23 on Sun 1 Aug to 09:34 on Mon 2 Aug.", "fact": "2066-08-01T08:53:06Z → 2066-08-02T06:04:28Z" }, { "step": "kaala", "text": "Sunrise is at 04:39 on the 1st and 04:40 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 17688 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 2066: Monday 2 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-02", "confidence": "determinate" } ], "quote": "In Mashhad, Putradā Ekādaśī 2066 falls on Monday 2 August. Ekādaśī runs from 12:23 on Sun 1 Aug to 09:34 on Mon 2 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-08-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5962, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-08-02T09:34:28+03:30", "utc": "2066-08-02T06:04:28Z", "ms": 3047954667519.5264 }, "end": { "local": "2066-08-03T06:27:35+03:30", "utc": "2066-08-03T02:57:35Z", "ms": 3048029855099.792 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-08-02T09:34:28+03:30", "utc": "2066-08-02T06:04:28Z", "ms": 3047954667519.5264 }, "end": { "local": "2066-08-03T06:27:35+03:30", "utc": "2066-08-03T02:57:35Z", "ms": 3048029855099.792 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-02", "window": { "start": { "local": "2066-08-02T11:13:50+03:30", "utc": "2066-08-02T07:43:50Z", "ms": 3047960629571.8853 }, "end": { "local": "2066-08-02T12:01:50+03:30", "utc": "2066-08-02T08:31:50Z", "ms": 3047963509571.8853 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-03", "window": { "start": { "local": "2066-08-03T11:13:44+03:30", "utc": "2066-08-03T07:43:44Z", "ms": 3048047024428.3145 }, "end": { "local": "2066-08-03T12:01:44+03:30", "utc": "2066-08-03T08:31:44Z", "ms": 3048049904428.3145 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 09:34 on Mon 2 Aug to 06:28 on Tue 3 Aug.", "fact": "2066-08-02T06:04:28Z → 2066-08-03T02:57:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 2nd, 11:14–12:02 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5962 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Mashhad, 2066: Monday 2 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": "2066-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-02", "confidence": "determinate" } ], "quote": "In Mashhad, Dāmodara Dvādaśī 2066 falls on Monday 2 August. Dvādaśī runs from 09:34 on Mon 2 Aug to 06:28 on Tue 3 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/pradosha-vrata?on=2066-08-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26003, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-08-03T06:27:35+03:30", "utc": "2066-08-03T02:57:35Z", "ms": 3048029855099.792 }, "end": { "local": "2066-08-04T03:09:14+03:30", "utc": "2066-08-03T23:39:14Z", "ms": 3048104354302.0566 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-08-03T06:27:35+03:30", "utc": "2066-08-03T02:57:35Z", "ms": 3048029855099.792 }, "end": { "local": "2066-08-04T03:09:14+03:30", "utc": "2066-08-03T23:39:14Z", "ms": 3048104354302.0566 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-08-02", "window": { "start": { "local": "2066-08-02T18:35:59+03:30", "utc": "2066-08-02T15:05:59Z", "ms": 3047987159144.2046 }, "end": { "local": "2066-08-02T19:56:35+03:30", "utc": "2066-08-02T16:26:35Z", "ms": 3047991994940.2676 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2066-08-03", "window": { "start": { "local": "2066-08-03T18:35:01+03:30", "utc": "2066-08-03T15:05:01Z", "ms": 3048073501241.952 }, "end": { "local": "2066-08-03T19:55:51+03:30", "utc": "2066-08-03T16:25:51Z", "ms": 3048078351122.5137 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:28 on Tue 3 Aug to 03:09 on Wed 4 Aug.", "fact": "2066-08-03T02:57:35Z → 2066-08-03T23:39:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–19:57 on the 2nd, 18:35–19:56 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 81 minutes on the 2nd and 81 of 81 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 26003 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Tuesday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-03", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Tuesday 3 August. Trayodaśī runs from 06:28 on Tue 3 Aug to 03:09 on Wed 4 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19532, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-08-04T23:47:15+03:30", "utc": "2066-08-04T20:17:15Z", "ms": 3048178635223.498 }, "end": { "local": "2066-08-05T20:30:18+03:30", "utc": "2066-08-05T17:00:18Z", "ms": 3048253218299.334 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2066-08-05T10:07:35+03:30", "utc": "2066-08-05T06:37:35Z", "ms": 3048215854953.22 }, "end": { "local": "2066-08-05T20:30:18+03:30", "utc": "2066-08-05T17:00:18Z", "ms": 3048253218299.334 } }, "kaala": "day", "days": [ { "local_date": "2066-08-04", "window": { "start": { "local": "2066-08-04T04:41:15+03:30", "utc": "2066-08-04T01:11:15Z", "ms": 3048109875346.164 }, "end": { "local": "2066-08-05T04:42:03+03:30", "utc": "2066-08-05T01:12:03Z", "ms": 3048196323178.829 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2066-08-05", "window": { "start": { "local": "2066-08-05T04:42:03+03:30", "utc": "2066-08-05T01:12:03Z", "ms": 3048196323178.829 }, "end": { "local": "2066-08-06T04:42:51+03:30", "utc": "2066-08-06T01:12:51Z", "ms": 3048282771099.722 } }, "covered_min": 623, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:47 on Wed 4 Aug to 20:30 on Thu 5 Aug. Its second half begins at 10:08 on Thu 5 Aug.", "fact": "2066-08-04T20:17:15Z → 2066-08-05T17:00:18Z · second half from 2066-08-05T06:37:35Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 04:41 on the 4th, and from 04:42 on the 5th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The second half of Pūrṇimā must be present during the day. It covers 0 of 1441 minutes on the 4th and 623 of 1441 on the 5th.", "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 19532 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Mashhad, 2066: Thursday 5 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-05", "confidence": "determinate" } ], "quote": "In Mashhad, Rakṣā Bandhana (Rakhi) 2066 falls on Thursday 5 August. The second half of Pūrṇimā runs from 10:08 on Thu 5 Aug to 20:30 on Thu 5 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30526, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-08-04T23:47:15+03:30", "utc": "2066-08-04T20:17:15Z", "ms": 3048178635223.498 }, "end": { "local": "2066-08-05T20:30:18+03:30", "utc": "2066-08-05T17:00:18Z", "ms": 3048253218299.334 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2066-08-04T23:47:15+03:30", "utc": "2066-08-04T20:17:15Z", "ms": 3048178635223.498 }, "end": { "local": "2066-08-05T20:30:18+03:30", "utc": "2066-08-05T17:00:18Z", "ms": 3048253218299.334 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-04", "window": { "start": { "local": "2066-08-04T11:13:39+03:30", "utc": "2066-08-04T07:43:39Z", "ms": 3048133418675.644 }, "end": { "local": "2066-08-04T12:01:39+03:30", "utc": "2066-08-04T08:31:39Z", "ms": 3048136298675.644 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-08-05", "window": { "start": { "local": "2066-08-05T11:13:32+03:30", "utc": "2066-08-05T07:43:32Z", "ms": 3048219812320.788 }, "end": { "local": "2066-08-05T12:01:32+03:30", "utc": "2066-08-05T08:31:32Z", "ms": 3048222692320.788 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:47 on Wed 4 Aug to 20:30 on Thu 5 Aug.", "fact": "2066-08-04T20:17:15Z → 2066-08-05T17:00:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 4th, 11:14–12:02 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30526 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Mashhad, 2066: Thursday 5 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-05", "confidence": "determinate" } ], "quote": "In Mashhad, Ṛṣi Tarpaṇa 2066 falls on Thursday 5 August. Pūrṇimā runs from 23:47 on Wed 4 Aug to 20:30 on Thu 5 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4983, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2066-08-06T17:27:37+03:30", "utc": "2066-08-06T13:57:37Z", "ms": 3048328656550.1094 }, "end": { "local": "2066-08-07T14:48:32+03:30", "utc": "2066-08-07T11:18:32Z", "ms": 3048405512365.338 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-06T17:27:37+03:30", "utc": "2066-08-06T13:57:37Z", "ms": 3048328656550.1094 }, "end": { "local": "2066-08-07T14:48:32+03:30", "utc": "2066-08-07T11:18:32Z", "ms": 3048405512365.338 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-08-06", "window": { "start": { "local": "2066-08-06T18:50:39+03:30", "utc": "2066-08-06T15:20:39Z", "ms": 3048333639340.702 }, "end": { "local": "2066-08-06T18:50:39+03:30", "utc": "2066-08-06T15:20:39Z", "ms": 3048333639340.702 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-08-07", "window": { "start": { "local": "2066-08-07T19:22:44+03:30", "utc": "2066-08-07T15:52:44Z", "ms": 3048421964012.3584 }, "end": { "local": "2066-08-07T19:22:44+03:30", "utc": "2066-08-07T15:52:44Z", "ms": 3048421964012.3584 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:28 on Fri 6 Aug to 14:49 on Sat 7 Aug.", "fact": "2066-08-06T13:57:37Z → 2066-08-07T11:18:32Z" }, { "step": "kaala", "text": "Moonrise is at 18:51 on the 6th and 19:23 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4983 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Mashhad, 2066: Friday 6 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": "2066-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-06", "confidence": "determinate" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata 2066 falls on Friday 6 August. Dvitīyā runs from 17:28 on Fri 6 Aug to 14:49 on Sat 7 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2456, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-08-07T14:48:32+03:30", "utc": "2066-08-07T11:18:32Z", "ms": 3048405512365.338 }, "end": { "local": "2066-08-08T12:42:06+03:30", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-07T14:48:32+03:30", "utc": "2066-08-07T11:18:32Z", "ms": 3048405512365.338 }, "end": { "local": "2066-08-08T12:42:06+03:30", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-07", "window": { "start": { "local": "2066-08-07T11:13:18+03:30", "utc": "2066-08-07T07:43:18Z", "ms": 3048392597838.0225 }, "end": { "local": "2066-08-07T12:01:18+03:30", "utc": "2066-08-07T08:31:18Z", "ms": 3048395477838.0225 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-08-08", "window": { "start": { "local": "2066-08-08T11:13:10+03:30", "utc": "2066-08-08T07:43:10Z", "ms": 3048478989728.538 }, "end": { "local": "2066-08-08T12:01:10+03:30", "utc": "2066-08-08T08:31:10Z", "ms": 3048481869728.538 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:49 on Sat 7 Aug to 12:42 on Sun 8 Aug.", "fact": "2066-08-07T11:18:32Z → 2066-08-08T09:12:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 7th, 11:13–12:01 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2456 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Mashhad, 2066: Sunday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-08", "confidence": "determinate" } ], "quote": "In Mashhad, Kajjalī Tṛtīyā (Kajari Teej) 2066 falls on Sunday 8 August. Tṛtīyā runs from 14:49 on Sat 7 Aug to 12:42 on Sun 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10961, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-08-08T12:42:06+03:30", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "end": { "local": "2066-08-09T11:16:12+03:30", "utc": "2066-08-09T07:46:12Z", "ms": 3048565571789.23 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-08T12:42:06+03:30", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "end": { "local": "2066-08-09T11:16:12+03:30", "utc": "2066-08-09T07:46:12Z", "ms": 3048565571789.23 } }, "kaala": "sayahna", "days": [ { "local_date": "2066-08-08", "window": { "start": { "local": "2066-08-08T15:44:47+03:30", "utc": "2066-08-08T12:14:47Z", "ms": 3048495287268.8247 }, "end": { "local": "2066-08-08T18:29:52+03:30", "utc": "2066-08-08T14:59:52Z", "ms": 3048505192295.6826 } }, "covered_min": 165, "window_min": 165, "qualifies": true }, { "local_date": "2066-08-09", "window": { "start": { "local": "2066-08-09T15:44:05+03:30", "utc": "2066-08-09T12:14:05Z", "ms": 3048581644516.0464 }, "end": { "local": "2066-08-09T18:28:47+03:30", "utc": "2066-08-09T14:58:47Z", "ms": 3048591526824.8354 } }, "covered_min": 0, "window_min": 165, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:42 on Sun 8 Aug to 11:16 on Mon 9 Aug.", "fact": "2066-08-08T09:12:06Z → 2066-08-09T07:46:12Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:45–18:30 on the 8th, 15:44–18:29 on the 9th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 165 of 165 minutes on the 8th and 0 of 165 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10961 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Mashhad, 2066: Sunday 8 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": "2066-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-08", "confidence": "determinate" } ], "quote": "In Mashhad, Bahulā Caturthī 2066 falls on Sunday 8 August. Caturthī runs from 12:42 on Sun 8 Aug to 11:16 on Mon 9 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-08-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25856, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-08-08T12:42:06+03:30", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "end": { "local": "2066-08-09T11:16:12+03:30", "utc": "2066-08-09T07:46:12Z", "ms": 3048565571789.23 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-08T12:42:06+03:30", "utc": "2066-08-08T09:12:06Z", "ms": 3048484325847.2983 }, "end": { "local": "2066-08-09T11:16:12+03:30", "utc": "2066-08-09T07:46:12Z", "ms": 3048565571789.23 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-08-08", "window": { "start": { "local": "2066-08-08T19:53:02+03:30", "utc": "2066-08-08T16:23:02Z", "ms": 3048510181693.9014 }, "end": { "local": "2066-08-08T19:53:02+03:30", "utc": "2066-08-08T16:23:02Z", "ms": 3048510181693.9014 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-08-09", "window": { "start": { "local": "2066-08-09T20:23:01+03:30", "utc": "2066-08-09T16:53:01Z", "ms": 3048598381051.9414 }, "end": { "local": "2066-08-09T20:23:01+03:30", "utc": "2066-08-09T16:53:01Z", "ms": 3048598381051.9414 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:42 on Sun 8 Aug to 11:16 on Mon 9 Aug.", "fact": "2066-08-08T09:12:06Z → 2066-08-09T07:46:12Z" }, { "step": "kaala", "text": "Moonrise is at 19:53 on the 8th and 20:23 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25856 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Sunday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-08", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Sunday 8 August. Caturthī runs from 12:42 on Sun 8 Aug to 11:16 on Mon 9 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1568, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-08-10T10:36:44+03:30", "utc": "2066-08-10T07:06:44Z", "ms": 3048649604457.357 }, "end": { "local": "2066-08-11T10:46:35+03:30", "utc": "2066-08-11T07:16:35Z", "ms": 3048736594519.7544 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-10T10:36:44+03:30", "utc": "2066-08-10T07:06:44Z", "ms": 3048649604457.357 }, "end": { "local": "2066-08-11T10:46:35+03:30", "utc": "2066-08-11T07:16:35Z", "ms": 3048736594519.7544 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-10", "window": { "start": { "local": "2066-08-10T11:12:52+03:30", "utc": "2066-08-10T07:42:52Z", "ms": 3048651771820.134 }, "end": { "local": "2066-08-10T12:00:52+03:30", "utc": "2066-08-10T08:30:52Z", "ms": 3048654651820.134 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-11", "window": { "start": { "local": "2066-08-11T11:12:42+03:30", "utc": "2066-08-11T07:42:42Z", "ms": 3048738162039.129 }, "end": { "local": "2066-08-11T12:00:42+03:30", "utc": "2066-08-11T08:30:42Z", "ms": 3048741042039.129 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:37 on Tue 10 Aug to 10:47 on Wed 11 Aug.", "fact": "2066-08-10T07:06:44Z → 2066-08-11T07:16:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 10th, 11:13–12:01 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1568 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Mashhad, 2066: Tuesday 10 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-11", "confidence": "determinate" } ], "quote": "In Mashhad, Hala Ṣaṣṭhī 2066 falls on Tuesday 10 August. Ṣaṣṭhī runs from 10:37 on Tue 10 Aug to 10:47 on Wed 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 961, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-08-11T10:46:35+03:30", "utc": "2066-08-11T07:16:35Z", "ms": 3048736594519.7544 }, "end": { "local": "2066-08-12T11:44:31+03:30", "utc": "2066-08-12T08:14:31Z", "ms": 3048826470695.547 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-11T10:46:35+03:30", "utc": "2066-08-11T07:16:35Z", "ms": 3048736594519.7544 }, "end": { "local": "2066-08-12T11:44:31+03:30", "utc": "2066-08-12T08:14:31Z", "ms": 3048826470695.547 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-11", "window": { "start": { "local": "2066-08-11T11:12:42+03:30", "utc": "2066-08-11T07:42:42Z", "ms": 3048738162039.129 }, "end": { "local": "2066-08-11T12:00:42+03:30", "utc": "2066-08-11T08:30:42Z", "ms": 3048741042039.129 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-12", "window": { "start": { "local": "2066-08-12T11:12:32+03:30", "utc": "2066-08-12T07:42:32Z", "ms": 3048824551718.3066 }, "end": { "local": "2066-08-12T12:00:32+03:30", "utc": "2066-08-12T08:30:32Z", "ms": 3048827431718.3066 } }, "covered_min": 32, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:47 on Wed 11 Aug to 11:45 on Thu 12 Aug.", "fact": "2066-08-11T07:16:35Z → 2066-08-12T08:14:31Z" }, { "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": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 32 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 961 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Mashhad, 2066: Wednesday 11 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-11", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalā Saptamī 2066 falls on Wednesday 11 August. Saptamī runs from 10:47 on Wed 11 Aug to 11:45 on Thu 12 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 32 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35278, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-08-12T11:44:31+03:30", "utc": "2066-08-12T08:14:31Z", "ms": 3048826470695.547 }, "end": { "local": "2066-08-13T13:24:47+03:30", "utc": "2066-08-13T09:54:47Z", "ms": 3048918887009.252 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-12T11:44:31+03:30", "utc": "2066-08-12T08:14:31Z", "ms": 3048826470695.547 }, "end": { "local": "2066-08-13T13:24:47+03:30", "utc": "2066-08-13T09:54:47Z", "ms": 3048918887009.252 } }, "kaala": "nishita", "days": [ { "local_date": "2066-08-12", "window": { "start": { "local": "2066-08-12T23:12:56+03:30", "utc": "2066-08-12T19:42:56Z", "ms": 3048867775831.85 }, "end": { "local": "2066-08-13T00:00:56+03:30", "utc": "2066-08-12T20:30:56Z", "ms": 3048870655831.85 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-13", "window": { "start": { "local": "2066-08-13T23:12:45+03:30", "utc": "2066-08-13T19:42:45Z", "ms": 3048954164978.051 }, "end": { "local": "2066-08-14T00:00:45+03:30", "utc": "2066-08-13T20:30:45Z", "ms": 3048957044978.051 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:45 on Thu 12 Aug to 13:25 on Fri 13 Aug.", "fact": "2066-08-12T08:14:31Z → 2066-08-13T09:54:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:13–00:01 on the 12th, 23:13–00:01 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35278 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Mashhad, 2066: Thursday 12 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-12", "confidence": "determinate" } ], "quote": "In Mashhad, Janmāṣṭamī 2066 falls on Thursday 12 August. Aṣṭamī runs from 11:45 on Thu 12 Aug to 13:25 on Fri 13 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-08-16", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29183, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-08-15T18:08:54+03:30", "utc": "2066-08-15T14:38:54Z", "ms": 3049108733829.965 }, "end": { "local": "2066-08-16T20:45:18+03:30", "utc": "2066-08-16T17:15:18Z", "ms": 3049204518296.2524 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-15T18:08:54+03:30", "utc": "2066-08-15T14:38:54Z", "ms": 3049108733829.965 }, "end": { "local": "2066-08-16T20:45:18+03:30", "utc": "2066-08-16T17:15:18Z", "ms": 3049204518296.2524 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-08-16", "window": { "start": { "local": "2066-08-16T04:50:53+03:30", "utc": "2066-08-16T01:20:53Z", "ms": 3049147252705.109 }, "end": { "local": "2066-08-16T04:50:53+03:30", "utc": "2066-08-16T01:20:53Z", "ms": 3049147252705.109 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-08-17", "window": { "start": { "local": "2066-08-17T04:51:41+03:30", "utc": "2066-08-17T01:21:41Z", "ms": 3049233700852.782 }, "end": { "local": "2066-08-17T04:51:41+03:30", "utc": "2066-08-17T01:21:41Z", "ms": 3049233700852.782 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:09 on Sun 15 Aug to 20:45 on Mon 16 Aug.", "fact": "2066-08-15T14:38:54Z → 2066-08-16T17:15:18Z" }, { "step": "kaala", "text": "Sunrise is at 04:51 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 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 29183 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Mashhad, 2066: Monday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-16", "confidence": "determinate" } ], "quote": "In Mashhad, Ajā Ekādaśī 2066 falls on Monday 16 August. Ekādaśī runs from 18:09 on Sun 15 Aug to 20:45 on Mon 16 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-08-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12572, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-08-17T23:13:21+03:30", "utc": "2066-08-17T19:43:21Z", "ms": 3049299800627.2817 }, "end": { "local": "2066-08-19T01:22:35+03:30", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-17T23:13:21+03:30", "utc": "2066-08-17T19:43:21Z", "ms": 3049299800627.2817 }, "end": { "local": "2066-08-19T01:22:35+03:30", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-08-17", "window": { "start": { "local": "2066-08-17T18:19:24+03:30", "utc": "2066-08-17T14:49:24Z", "ms": 3049282163758.7812 }, "end": { "local": "2066-08-17T19:43:48+03:30", "utc": "2066-08-17T16:13:48Z", "ms": 3049287228451.4517 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2066-08-18", "window": { "start": { "local": "2066-08-18T18:18:09+03:30", "utc": "2066-08-18T14:48:09Z", "ms": 3049368488886.2495 }, "end": { "local": "2066-08-18T19:42:50+03:30", "utc": "2066-08-18T16:12:50Z", "ms": 3049373569967.8833 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:13 on Tue 17 Aug to 01:23 on Thu 19 Aug.", "fact": "2066-08-17T19:43:21Z → 2066-08-18T21:52:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:44 on the 17th, 18:18–19:43 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 17th and 85 of 85 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12572 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Wednesday 18 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": "2066-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-18", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Wednesday 18 August. Trayodaśī runs from 23:13 on Tue 17 Aug to 01:23 on Thu 19 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20385, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-08-19T01:22:35+03:30", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "end": { "local": "2066-08-20T03:06:09+03:30", "utc": "2066-08-19T23:36:09Z", "ms": 3049486568990.005 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-19T01:22:35+03:30", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "end": { "local": "2066-08-20T03:06:09+03:30", "utc": "2066-08-19T23:36:09Z", "ms": 3049486568990.005 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-08-18", "window": { "start": { "local": "2066-08-18T18:18:09+03:30", "utc": "2066-08-18T14:48:09Z", "ms": 3049368488886.2495 }, "end": { "local": "2066-08-18T19:42:50+03:30", "utc": "2066-08-18T16:12:50Z", "ms": 3049373569967.8833 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2066-08-19", "window": { "start": { "local": "2066-08-19T18:16:53+03:30", "utc": "2066-08-19T14:46:53Z", "ms": 3049454813107.9014 }, "end": { "local": "2066-08-19T19:41:51+03:30", "utc": "2066-08-19T16:11:51Z", "ms": 3049459910690.5483 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:23 on Thu 19 Aug to 03:06 on Fri 20 Aug.", "fact": "2066-08-18T21:52:35Z → 2066-08-19T23:36:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:43 on the 18th, 18:17–19:42 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 0 of 85 minutes on the 18th and 85 of 85 on the 19th.", "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 20385 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Mashhad, 2066: Thursday 19 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": "2066-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-19", "confidence": "determinate" } ], "quote": "In Mashhad, Aghora Caturdaśī 2066 falls on Thursday 19 August. Caturdaśī runs from 01:23 on Thu 19 Aug to 03:06 on Fri 20 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/shivaratri?on=2066-08-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4972, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-08-19T01:22:35+03:30", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "end": { "local": "2066-08-20T03:06:09+03:30", "utc": "2066-08-19T23:36:09Z", "ms": 3049486568990.005 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-19T01:22:35+03:30", "utc": "2066-08-18T21:52:35Z", "ms": 3049393955110.3564 }, "end": { "local": "2066-08-20T03:06:09+03:30", "utc": "2066-08-19T23:36:09Z", "ms": 3049486568990.005 } }, "kaala": "nishita", "days": [ { "local_date": "2066-08-18", "window": { "start": { "local": "2066-08-18T23:11:43+03:30", "utc": "2066-08-18T19:41:43Z", "ms": 3049386102942.377 }, "end": { "local": "2066-08-18T23:59:43+03:30", "utc": "2066-08-18T20:29:43Z", "ms": 3049388982942.377 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-08-19", "window": { "start": { "local": "2066-08-19T23:11:29+03:30", "utc": "2066-08-19T19:41:29Z", "ms": 3049472489042.827 }, "end": { "local": "2066-08-19T23:59:29+03:30", "utc": "2066-08-19T20:29:29Z", "ms": 3049475369042.827 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:23 on Thu 19 Aug to 03:06 on Fri 20 Aug.", "fact": "2066-08-18T21:52:35Z → 2066-08-19T23:36:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:12–00:00 on the 18th, 23:11–23:59 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4972 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Thursday 19 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": "2066-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-19", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Thursday 19 August. Caturdaśī runs from 01:23 on Thu 19 Aug to 03:06 on Fri 20 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-08-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21896, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-08-21T04:20:38+03:30", "utc": "2066-08-21T00:50:38Z", "ms": 3049577437742.599 }, "end": { "local": "2066-08-22T05:05:24+03:30", "utc": "2066-08-22T01:35:24Z", "ms": 3049666524425.1694 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-21T04:20:38+03:30", "utc": "2066-08-21T00:50:38Z", "ms": 3049577437742.599 }, "end": { "local": "2066-08-22T05:05:24+03:30", "utc": "2066-08-22T01:35:24Z", "ms": 3049666524425.1694 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-21", "window": { "start": { "local": "2066-08-21T11:10:36+03:30", "utc": "2066-08-21T07:40:36Z", "ms": 3049602035911.923 }, "end": { "local": "2066-08-21T11:58:36+03:30", "utc": "2066-08-21T08:28:36Z", "ms": 3049604915911.923 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-22", "window": { "start": { "local": "2066-08-22T11:10:21+03:30", "utc": "2066-08-22T07:40:21Z", "ms": 3049688420655.792 }, "end": { "local": "2066-08-22T11:58:21+03:30", "utc": "2066-08-22T08:28:21Z", "ms": 3049691300655.792 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:21 on Sat 21 Aug to 05:05 on Sun 22 Aug.", "fact": "2066-08-21T00:50:38Z → 2066-08-22T01:35:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 21st, 11:10–11:58 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21896 s" }, { "step": "ruling", "text": "Rudra Vrata, Mashhad, 2066: Saturday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-21", "confidence": "determinate" } ], "quote": "In Mashhad, Rudra Vrata 2066 falls on Saturday 21 August. Pratipadā runs from 04:21 on Sat 21 Aug to 05:05 on Sun 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20901, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2066-08-23T05:21:43+03:30", "utc": "2066-08-23T01:51:43Z", "ms": 3049753903463.673 }, "end": { "local": "2066-08-24T05:11:45+03:30", "utc": "2066-08-24T01:41:45Z", "ms": 3049839705067.0337 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-23T05:21:43+03:30", "utc": "2066-08-23T01:51:43Z", "ms": 3049753903463.673 }, "end": { "local": "2066-08-24T05:11:45+03:30", "utc": "2066-08-24T01:41:45Z", "ms": 3049839705067.0337 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-23", "window": { "start": { "local": "2066-08-23T11:10:05+03:30", "utc": "2066-08-23T07:40:05Z", "ms": 3049774804955.4053 }, "end": { "local": "2066-08-23T11:58:05+03:30", "utc": "2066-08-23T08:28:05Z", "ms": 3049777684955.4053 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-24", "window": { "start": { "local": "2066-08-24T11:09:49+03:30", "utc": "2066-08-24T07:39:49Z", "ms": 3049861188820.8887 }, "end": { "local": "2066-08-24T11:57:49+03:30", "utc": "2066-08-24T08:27:49Z", "ms": 3049864068820.8887 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:22 on Mon 23 Aug to 05:12 on Tue 24 Aug.", "fact": "2066-08-23T01:51:43Z → 2066-08-24T01:41:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 23rd, 11:10–11:58 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20901 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Mashhad, 2066: Monday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-23", "confidence": "determinate" } ], "quote": "In Mashhad, Haritālikā Vrata (Hartalika Teej) 2066 falls on Monday 23 August. Tṛtīyā runs from 05:22 on Mon 23 Aug to 05:12 on Tue 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21484, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-08-24T05:11:45+03:30", "utc": "2066-08-24T01:41:45Z", "ms": 3049839705067.0337 }, "end": { "local": "2066-08-25T04:37:50+03:30", "utc": "2066-08-25T01:07:50Z", "ms": 3049924070260.807 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-24T05:11:45+03:30", "utc": "2066-08-24T01:41:45Z", "ms": 3049839705067.0337 }, "end": { "local": "2066-08-25T04:37:50+03:30", "utc": "2066-08-25T01:07:50Z", "ms": 3049924070260.807 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-24", "window": { "start": { "local": "2066-08-24T11:09:49+03:30", "utc": "2066-08-24T07:39:49Z", "ms": 3049861188820.8887 }, "end": { "local": "2066-08-24T11:57:49+03:30", "utc": "2066-08-24T08:27:49Z", "ms": 3049864068820.8887 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-25", "window": { "start": { "local": "2066-08-25T11:09:32+03:30", "utc": "2066-08-25T07:39:32Z", "ms": 3049947572262.993 }, "end": { "local": "2066-08-25T11:57:32+03:30", "utc": "2066-08-25T08:27:32Z", "ms": 3049950452262.993 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:12 on Tue 24 Aug to 04:38 on Wed 25 Aug.", "fact": "2066-08-24T01:41:45Z → 2066-08-25T01:07:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 24th, 11:10–11:58 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21484 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Mashhad, 2066: Tuesday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-24", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Caturthī 2066 falls on Tuesday 24 August. Caturthī runs from 05:12 on Tue 24 Aug to 04:38 on Wed 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23502, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-08-25T04:37:50+03:30", "utc": "2066-08-25T01:07:50Z", "ms": 3049924070260.807 }, "end": { "local": "2066-08-26T03:42:02+03:30", "utc": "2066-08-26T00:12:02Z", "ms": 3050007121599.809 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-25T04:37:50+03:30", "utc": "2066-08-25T01:07:50Z", "ms": 3049924070260.807 }, "end": { "local": "2066-08-26T03:42:02+03:30", "utc": "2066-08-26T00:12:02Z", "ms": 3050007121599.809 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-25", "window": { "start": { "local": "2066-08-25T11:09:32+03:30", "utc": "2066-08-25T07:39:32Z", "ms": 3049947572262.993 }, "end": { "local": "2066-08-25T11:57:32+03:30", "utc": "2066-08-25T08:27:32Z", "ms": 3049950452262.993 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-26", "window": { "start": { "local": "2066-08-26T11:09:15+03:30", "utc": "2066-08-26T07:39:15Z", "ms": 3050033955293.2344 }, "end": { "local": "2066-08-26T11:57:15+03:30", "utc": "2066-08-26T08:27:15Z", "ms": 3050036835293.2344 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:38 on Wed 25 Aug to 03:42 on Thu 26 Aug.", "fact": "2066-08-25T01:07:50Z → 2066-08-26T00:12:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 25th, 11:09–11:57 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 23502 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Mashhad, 2066: Wednesday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-25", "confidence": "determinate" } ], "quote": "In Mashhad, Ṛṣi Pañcamī 2066 falls on Wednesday 25 August. Pañcamī runs from 04:38 on Wed 25 Aug to 03:42 on Thu 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26834, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-08-26T03:42:02+03:30", "utc": "2066-08-26T00:12:02Z", "ms": 3050007121599.809 }, "end": { "local": "2066-08-27T02:25:51+03:30", "utc": "2066-08-26T22:55:51Z", "ms": 3050088951320.5117 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-26T03:42:02+03:30", "utc": "2066-08-26T00:12:02Z", "ms": 3050007121599.809 }, "end": { "local": "2066-08-27T02:25:51+03:30", "utc": "2066-08-26T22:55:51Z", "ms": 3050088951320.5117 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-26", "window": { "start": { "local": "2066-08-26T11:09:15+03:30", "utc": "2066-08-26T07:39:15Z", "ms": 3050033955293.2344 }, "end": { "local": "2066-08-26T11:57:15+03:30", "utc": "2066-08-26T08:27:15Z", "ms": 3050036835293.2344 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-27", "window": { "start": { "local": "2066-08-27T11:08:58+03:30", "utc": "2066-08-27T07:38:58Z", "ms": 3050120337924.0317 }, "end": { "local": "2066-08-27T11:56:58+03:30", "utc": "2066-08-27T08:26:58Z", "ms": 3050123217924.0317 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:42 on Thu 26 Aug to 02:26 on Fri 27 Aug.", "fact": "2066-08-26T00:12:02Z → 2066-08-26T22:55:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 26th, 11:09–11:57 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26834 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Mashhad, 2066: Thursday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-26", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Bhādrapada) 2066 falls on Thursday 26 August. Ṣaṣṭhī runs from 03:42 on Thu 26 Aug to 02:26 on Fri 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31387, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-08-27T02:25:51+03:30", "utc": "2066-08-26T22:55:51Z", "ms": 3050088951320.5117 }, "end": { "local": "2066-08-28T00:50:26+03:30", "utc": "2066-08-27T21:20:26Z", "ms": 3050169626141.928 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-27T02:25:51+03:30", "utc": "2066-08-26T22:55:51Z", "ms": 3050088951320.5117 }, "end": { "local": "2066-08-28T00:50:26+03:30", "utc": "2066-08-27T21:20:26Z", "ms": 3050169626141.928 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-27", "window": { "start": { "local": "2066-08-27T11:08:58+03:30", "utc": "2066-08-27T07:38:58Z", "ms": 3050120337924.0317 }, "end": { "local": "2066-08-27T11:56:58+03:30", "utc": "2066-08-27T08:26:58Z", "ms": 3050123217924.0317 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-28", "window": { "start": { "local": "2066-08-28T11:08:40+03:30", "utc": "2066-08-28T07:38:40Z", "ms": 3050206720168.8447 }, "end": { "local": "2066-08-28T11:56:40+03:30", "utc": "2066-08-28T08:26:40Z", "ms": 3050209600168.8447 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:26 on Fri 27 Aug to 00:50 on Sat 28 Aug.", "fact": "2066-08-26T22:55:51Z → 2066-08-27T21:20:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 27th, 11:09–11:57 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31387 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Mashhad, 2066: Friday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-27", "confidence": "determinate" } ], "quote": "In Mashhad, Muktābharaṇa Vrata 2066 falls on Friday 27 August. Saptamī runs from 02:26 on Fri 27 Aug to 00:50 on Sat 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37094, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-08-28T00:50:26+03:30", "utc": "2066-08-27T21:20:26Z", "ms": 3050169626141.928 }, "end": { "local": "2066-08-28T22:56:45+03:30", "utc": "2066-08-28T19:26:45Z", "ms": 3050249205431.025 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-28T00:50:26+03:30", "utc": "2066-08-27T21:20:26Z", "ms": 3050169626141.928 }, "end": { "local": "2066-08-28T22:56:45+03:30", "utc": "2066-08-28T19:26:45Z", "ms": 3050249205431.025 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-28", "window": { "start": { "local": "2066-08-28T11:08:40+03:30", "utc": "2066-08-28T07:38:40Z", "ms": 3050206720168.8447 }, "end": { "local": "2066-08-28T11:56:40+03:30", "utc": "2066-08-28T08:26:40Z", "ms": 3050209600168.8447 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-08-29", "window": { "start": { "local": "2066-08-29T11:08:22+03:30", "utc": "2066-08-29T07:38:22Z", "ms": 3050293102042.2935 }, "end": { "local": "2066-08-29T11:56:22+03:30", "utc": "2066-08-29T08:26:22Z", "ms": 3050295982042.2935 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:50 on Sat 28 Aug to 22:57 on Sat 28 Aug.", "fact": "2066-08-27T21:20:26Z → 2066-08-28T19:26:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 28th, 11:08–11:56 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37094 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Mashhad, 2066: Saturday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-28", "confidence": "determinate" } ], "quote": "In Mashhad, Rādhāṣṭamī 2066 falls on Saturday 28 August. Aṣṭamī runs from 00:50 on Sat 28 Aug to 22:57 on Sat 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-08-31", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38434, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-08-30T18:20:35+03:30", "utc": "2066-08-30T14:50:35Z", "ms": 3050405435193.352 }, "end": { "local": "2066-08-31T15:43:21+03:30", "utc": "2066-08-31T12:13:21Z", "ms": 3050482400989.396 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-30T18:20:35+03:30", "utc": "2066-08-30T14:50:35Z", "ms": 3050405435193.352 }, "end": { "local": "2066-08-31T15:43:21+03:30", "utc": "2066-08-31T12:13:21Z", "ms": 3050482400989.396 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-08-30", "window": { "start": { "local": "2066-08-30T05:02:00+03:30", "utc": "2066-08-30T01:32:00Z", "ms": 3050357519741.0674 }, "end": { "local": "2066-08-30T05:02:00+03:30", "utc": "2066-08-30T01:32:00Z", "ms": 3050357519741.0674 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-08-31", "window": { "start": { "local": "2066-08-31T05:02:47+03:30", "utc": "2066-08-31T01:32:47Z", "ms": 3050443966653.327 }, "end": { "local": "2066-08-31T05:02:47+03:30", "utc": "2066-08-31T01:32:47Z", "ms": 3050443966653.327 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:21 on Mon 30 Aug to 15:43 on Tue 31 Aug.", "fact": "2066-08-30T14:50:35Z → 2066-08-31T12:13:21Z" }, { "step": "kaala", "text": "Sunrise is at 05:02 on the 30th and 05:03 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 31st.", "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 38434 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Mashhad, 2066: Tuesday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-08-31", "confidence": "determinate" } ], "quote": "In Mashhad, Parivartanī Ekādaśī 2066 falls on Tuesday 31 August. Ekādaśī runs from 18:21 on Mon 30 Aug to 15:43 on Tue 31 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3811, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-08-31T15:43:21+03:30", "utc": "2066-08-31T12:13:21Z", "ms": 3050482400989.396 }, "end": { "local": "2066-09-01T12:58:57+03:30", "utc": "2066-09-01T09:28:57Z", "ms": 3050558936937.895 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-08-31T15:43:21+03:30", "utc": "2066-08-31T12:13:21Z", "ms": 3050482400989.396 }, "end": { "local": "2066-09-01T12:58:57+03:30", "utc": "2066-09-01T09:28:57Z", "ms": 3050558936937.895 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-08-31", "window": { "start": { "local": "2066-08-31T11:07:45+03:30", "utc": "2066-08-31T07:37:45Z", "ms": 3050465864739.9414 }, "end": { "local": "2066-08-31T11:55:45+03:30", "utc": "2066-08-31T08:25:45Z", "ms": 3050468744739.9414 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-09-01", "window": { "start": { "local": "2066-09-01T11:07:26+03:30", "utc": "2066-09-01T07:37:26Z", "ms": 3050552245599.898 }, "end": { "local": "2066-09-01T11:55:26+03:30", "utc": "2066-09-01T08:25:26Z", "ms": 3050555125599.898 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:43 on Tue 31 Aug to 12:59 on Wed 1 Sep.", "fact": "2066-08-31T12:13:21Z → 2066-09-01T09:28:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 31st, 11:07–11:55 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3811 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Mashhad, 2066: Wednesday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-01", "confidence": "determinate" } ], "quote": "In Mashhad, Vāmana Jayantī 2066 falls on Wednesday 1 September. Dvādaśī runs from 15:43 on Tue 31 Aug to 12:59 on Wed 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/pradosha-vrata?on=2066-09-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18021, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-09-01T12:58:57+03:30", "utc": "2066-09-01T09:28:57Z", "ms": 3050558936937.895 }, "end": { "local": "2066-09-02T10:13:19+03:30", "utc": "2066-09-02T06:43:19Z", "ms": 3050635398588.063 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-09-01T12:58:57+03:30", "utc": "2066-09-01T09:28:57Z", "ms": 3050558936937.895 }, "end": { "local": "2066-09-02T10:13:19+03:30", "utc": "2066-09-02T06:43:19Z", "ms": 3050635398588.063 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-09-01", "window": { "start": { "local": "2066-09-01T17:59:18+03:30", "utc": "2066-09-01T14:29:18Z", "ms": 3050576957727.4194 }, "end": { "local": "2066-09-01T19:27:58+03:30", "utc": "2066-09-01T15:57:58Z", "ms": 3050582278058.0454 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "2066-09-02", "window": { "start": { "local": "2066-09-02T17:57:52+03:30", "utc": "2066-09-02T14:27:52Z", "ms": 3050663272112.7964 }, "end": { "local": "2066-09-02T19:26:50+03:30", "utc": "2066-09-02T15:56:50Z", "ms": 3050668610080.2153 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:59 on Wed 1 Sep to 10:13 on Thu 2 Sep.", "fact": "2066-09-01T09:28:57Z → 2066-09-02T06:43:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:28 on the 1st, 17:58–19:27 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 89 of 89 minutes on the 1st and 0 of 89 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18021 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Wednesday 1 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": "2066-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-01", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Wednesday 1 September. Trayodaśī runs from 12:59 on Wed 1 Sep to 10:13 on Thu 2 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-02", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 346, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-09-02T10:13:19+03:30", "utc": "2066-09-02T06:43:19Z", "ms": 3050635398588.063 }, "end": { "local": "2066-09-03T07:33:37+03:30", "utc": "2066-09-03T04:03:37Z", "ms": 3050712216882.6006 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2066-09-02T10:13:19+03:30", "utc": "2066-09-02T06:43:19Z", "ms": 3050635398588.063 }, "end": { "local": "2066-09-03T07:33:37+03:30", "utc": "2066-09-03T04:03:37Z", "ms": 3050712216882.6006 } }, "kaala": "udaya-3", "days": [ { "local_date": "2066-09-02", "window": { "start": { "local": "2066-09-02T05:04:20+03:30", "utc": "2066-09-02T01:34:20Z", "ms": 3050616860207.1147 }, "end": { "local": "2066-09-02T07:39:03+03:30", "utc": "2066-09-02T04:09:03Z", "ms": 3050626142588.251 } }, "covered_min": 0, "window_min": 155, "qualifies": false }, { "local_date": "2066-09-03", "window": { "start": { "local": "2066-09-03T05:05:07+03:30", "utc": "2066-09-03T01:35:07Z", "ms": 3050703306868.439 }, "end": { "local": "2066-09-03T07:39:23+03:30", "utc": "2066-09-03T04:09:23Z", "ms": 3050712562697.4805 } }, "covered_min": 149, "window_min": 154, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:13 on Thu 2 Sep to 07:34 on Fri 3 Sep.", "fact": "2066-09-02T06:43:19Z → 2066-09-03T04:03:37Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:04–07:39 on the 2nd, 05:05–07:39 on the 3rd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 155 minutes on the 2nd and 149 of 154 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither morning qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 346 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Mashhad, 2066: Thursday 2 September.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2066-09-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-02", "confidence": "boundary" } ], "quote": "In Mashhad, Ananta Caturdaśī 2066 falls on Thursday 2 September. Caturdaśī runs from 10:13 on Thu 2 Sep to 07:34 on Fri 3 Sep, and reaches the first three muhūrtas after sunrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-09-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18486, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-09-07T00:41:09+03:30", "utc": "2066-09-06T21:11:09Z", "ms": 3051033068923.61 }, "end": { "local": "2066-09-08T00:33:07+03:30", "utc": "2066-09-07T21:03:07Z", "ms": 3051118987439.9155 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-07T00:41:09+03:30", "utc": "2066-09-06T21:11:09Z", "ms": 3051033068923.61 }, "end": { "local": "2066-09-08T00:33:07+03:30", "utc": "2066-09-07T21:03:07Z", "ms": 3051118987439.9155 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-09-06", "window": { "start": { "local": "2066-09-06T18:52:06+03:30", "utc": "2066-09-06T15:22:06Z", "ms": 3051012125627.8384 }, "end": { "local": "2066-09-06T18:52:06+03:30", "utc": "2066-09-06T15:22:06Z", "ms": 3051012125627.8384 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-09-07", "window": { "start": { "local": "2066-09-07T19:25:01+03:30", "utc": "2066-09-07T15:55:01Z", "ms": 3051100500945.0864 }, "end": { "local": "2066-09-07T19:25:01+03:30", "utc": "2066-09-07T15:55:01Z", "ms": 3051100500945.0864 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:41 on Tue 7 Sep to 00:33 on Wed 8 Sep.", "fact": "2066-09-06T21:11:09Z → 2066-09-07T21:03:07Z" }, { "step": "kaala", "text": "Moonrise is at 18:52 on the 6th and 19:25 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18486 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Tuesday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-07", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Tuesday 7 September. Caturthī runs from 00:41 on Tue 7 Sep to 00:33 on Wed 8 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18661, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-09-09T01:11:55+03:30", "utc": "2066-09-08T21:41:55Z", "ms": 3051207714784.2144 }, "end": { "local": "2066-09-10T02:35:22+03:30", "utc": "2066-09-09T23:05:22Z", "ms": 3051299122288.3184 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-09T01:11:55+03:30", "utc": "2066-09-08T21:41:55Z", "ms": 3051207714784.2144 }, "end": { "local": "2066-09-10T02:35:22+03:30", "utc": "2066-09-09T23:05:22Z", "ms": 3051299122288.3184 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-09-08", "window": { "start": { "local": "2066-09-08T20:00:54+03:30", "utc": "2066-09-08T16:30:54Z", "ms": 3051189053943.5625 }, "end": { "local": "2066-09-08T20:00:54+03:30", "utc": "2066-09-08T16:30:54Z", "ms": 3051189053943.5625 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-09-09", "window": { "start": { "local": "2066-09-09T20:40:40+03:30", "utc": "2066-09-09T17:10:40Z", "ms": 3051277840319.105 }, "end": { "local": "2066-09-09T20:40:40+03:30", "utc": "2066-09-09T17:10:40Z", "ms": 3051277840319.105 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:12 on Thu 9 Sep to 02:35 on Fri 10 Sep.", "fact": "2066-09-08T21:41:55Z → 2066-09-09T23:05:22Z" }, { "step": "kaala", "text": "Moonrise is at 20:01 on the 8th and 20:41 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 8th and is on the 9th.", "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 18661 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Mashhad, 2066: Thursday 9 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": "2066-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-09", "confidence": "determinate" } ], "quote": "In Mashhad, Candra Ṣaṣṭhī 2066 falls on Thursday 9 September. Ṣaṣṭhī runs from 01:12 on Thu 9 Sep to 02:35 on Fri 10 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33522, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-09-11T04:36:15+03:30", "utc": "2066-09-11T01:06:15Z", "ms": 3051392775002.067 }, "end": { "local": "2066-09-12T07:02:30+03:30", "utc": "2066-09-12T03:32:30Z", "ms": 3051487950032.7593 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-11T04:36:15+03:30", "utc": "2066-09-11T01:06:15Z", "ms": 3051392775002.067 }, "end": { "local": "2066-09-12T07:02:30+03:30", "utc": "2066-09-12T03:32:30Z", "ms": 3051487950032.7593 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-09-10", "window": { "start": { "local": "2066-09-10T17:46:12+03:30", "utc": "2066-09-10T14:16:12Z", "ms": 3051353772354.4346 }, "end": { "local": "2066-09-10T19:17:33+03:30", "utc": "2066-09-10T15:47:33Z", "ms": 3051359253246.042 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2066-09-11", "window": { "start": { "local": "2066-09-11T17:44:43+03:30", "utc": "2066-09-11T14:14:43Z", "ms": 3051440083488.5674 }, "end": { "local": "2066-09-11T19:16:22+03:30", "utc": "2066-09-11T15:46:22Z", "ms": 3051445582436.812 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:36 on Sat 11 Sep to 07:03 on Sun 12 Sep.", "fact": "2066-09-11T01:06:15Z → 2066-09-12T03:32:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:18 on the 10th, 17:45–19:16 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 91 minutes on the 10th and 92 of 92 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33522 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Mashhad, 2066: Saturday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-11", "confidence": "determinate" } ], "quote": "In Mashhad, Jitāṣṭamī (Jitiya) 2066 falls on Saturday 11 September. Aṣṭamī runs from 04:36 on Sat 11 Sep to 07:03 on Sun 12 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25880, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-09-11T04:36:15+03:30", "utc": "2066-09-11T01:06:15Z", "ms": 3051392775002.067 }, "end": { "local": "2066-09-12T07:02:30+03:30", "utc": "2066-09-12T03:32:30Z", "ms": 3051487950032.7593 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-11T04:36:15+03:30", "utc": "2066-09-11T01:06:15Z", "ms": 3051392775002.067 }, "end": { "local": "2066-09-12T07:02:30+03:30", "utc": "2066-09-12T03:32:30Z", "ms": 3051487950032.7593 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-09-10", "window": { "start": { "local": "2066-09-10T21:24:55+03:30", "utc": "2066-09-10T17:54:55Z", "ms": 3051366894571.7085 }, "end": { "local": "2066-09-10T21:24:55+03:30", "utc": "2066-09-10T17:54:55Z", "ms": 3051366894571.7085 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-09-11", "window": { "start": { "local": "2066-09-11T22:13:39+03:30", "utc": "2066-09-11T18:43:39Z", "ms": 3051456219252.7827 }, "end": { "local": "2066-09-11T22:13:39+03:30", "utc": "2066-09-11T18:43:39Z", "ms": 3051456219252.7827 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:36 on Sat 11 Sep to 07:03 on Sun 12 Sep.", "fact": "2066-09-11T01:06:15Z → 2066-09-12T03:32:30Z" }, { "step": "kaala", "text": "Moonrise is at 21:25 on the 10th and 22:14 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25880 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Mashhad, 2066: Saturday 11 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": "2066-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-11", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālakṣmī Vrata Samāpana 2066 falls on Saturday 11 September. Aṣṭamī runs from 04:36 on Sat 11 Sep to 07:03 on Sun 12 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-09-15", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24925, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-09-14T12:09:03+03:30", "utc": "2066-09-14T08:39:03Z", "ms": 3051679143369.078 }, "end": { "local": "2066-09-15T14:19:03+03:30", "utc": "2066-09-15T10:49:03Z", "ms": 3051773342568.2134 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-14T12:09:03+03:30", "utc": "2066-09-14T08:39:03Z", "ms": 3051679143369.078 }, "end": { "local": "2066-09-15T14:19:03+03:30", "utc": "2066-09-15T10:49:03Z", "ms": 3051773342568.2134 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-09-14", "window": { "start": { "local": "2066-09-14T05:13:39+03:30", "utc": "2066-09-14T01:43:39Z", "ms": 3051654218855.116 }, "end": { "local": "2066-09-14T05:13:39+03:30", "utc": "2066-09-14T01:43:39Z", "ms": 3051654218855.116 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-09-15", "window": { "start": { "local": "2066-09-15T05:14:26+03:30", "utc": "2066-09-15T01:44:26Z", "ms": 3051740665569.0234 }, "end": { "local": "2066-09-15T05:14:26+03:30", "utc": "2066-09-15T01:44:26Z", "ms": 3051740665569.0234 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:09 on Tue 14 Sep to 14:19 on Wed 15 Sep.", "fact": "2066-09-14T08:39:03Z → 2066-09-15T10:49:03Z" }, { "step": "kaala", "text": "Sunrise is at 05:14 on the 14th and 05:14 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is 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 24925 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Mashhad, 2066: Wednesday 15 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": "2066-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-15", "confidence": "determinate" } ], "quote": "In Mashhad, Indirā Ekādaśī 2066 falls on Wednesday 15 September. Ekādaśī runs from 12:09 on Tue 14 Sep to 14:19 on Wed 15 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-09-15", "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/2066/pradosha-vrata?on=2066-09-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2050, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-09-16T15:58:26+03:30", "utc": "2066-09-16T12:28:26Z", "ms": 3051865706039.714 }, "end": { "local": "2066-09-17T17:01:37+03:30", "utc": "2066-09-17T13:31:37Z", "ms": 3051955896966.6714 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-16T15:58:26+03:30", "utc": "2066-09-16T12:28:26Z", "ms": 3051865706039.714 }, "end": { "local": "2066-09-17T17:01:37+03:30", "utc": "2066-09-17T13:31:37Z", "ms": 3051955896966.6714 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-09-16", "window": { "start": { "local": "2066-09-16T17:37:17+03:30", "utc": "2066-09-16T14:07:17Z", "ms": 3051871636570.6523 }, "end": { "local": "2066-09-16T19:10:26+03:30", "utc": "2066-09-16T15:40:26Z", "ms": 3051877226256.254 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2066-09-17", "window": { "start": { "local": "2066-09-17T17:35:47+03:30", "utc": "2066-09-17T14:05:47Z", "ms": 3051957946866.797 }, "end": { "local": "2066-09-17T19:09:15+03:30", "utc": "2066-09-17T15:39:15Z", "ms": 3051963554772.452 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:58 on Thu 16 Sep to 17:02 on Fri 17 Sep.", "fact": "2066-09-16T12:28:26Z → 2066-09-17T13:31:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:10 on the 16th, 17:36–19:09 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 16th and 0 of 93 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2050 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Thursday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-16", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Thursday 16 September. Trayodaśī runs from 15:58 on Thu 16 Sep to 17:02 on Fri 17 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-09-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shivaratri?on=2066-09-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20070, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-09-17T17:01:37+03:30", "utc": "2066-09-17T13:31:37Z", "ms": 3051955896966.6714 }, "end": { "local": "2066-09-18T17:27:25+03:30", "utc": "2066-09-18T13:57:25Z", "ms": 3052043845309.216 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-17T17:01:37+03:30", "utc": "2066-09-17T13:31:37Z", "ms": 3051955896966.6714 }, "end": { "local": "2066-09-18T17:27:25+03:30", "utc": "2066-09-18T13:57:25Z", "ms": 3052043845309.216 } }, "kaala": "nishita", "days": [ { "local_date": "2066-09-17", "window": { "start": { "local": "2066-09-17T23:02:17+03:30", "utc": "2066-09-17T19:32:17Z", "ms": 3051977536513.005 }, "end": { "local": "2066-09-17T23:50:17+03:30", "utc": "2066-09-17T20:20:17Z", "ms": 3051980416513.005 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-09-18", "window": { "start": { "local": "2066-09-18T23:01:55+03:30", "utc": "2066-09-18T19:31:55Z", "ms": 3052063915159.657 }, "end": { "local": "2066-09-18T23:49:55+03:30", "utc": "2066-09-18T20:19:55Z", "ms": 3052066795159.657 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:02 on Fri 17 Sep to 17:27 on Sat 18 Sep.", "fact": "2066-09-17T13:31:37Z → 2066-09-18T13:57:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:02–23:50 on the 17th, 23:02–23:50 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20070 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Friday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-17", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Friday 17 September. Caturdaśī runs from 17:02 on Fri 17 Sep to 17:27 on Sat 18 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-09-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7945, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2066-09-18T17:27:25+03:30", "utc": "2066-09-18T13:57:25Z", "ms": 3052043845309.216 }, "end": { "local": "2066-09-19T17:18:10+03:30", "utc": "2066-09-19T13:48:10Z", "ms": 3052129689671.8574 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-18T17:27:25+03:30", "utc": "2066-09-18T13:57:25Z", "ms": 3052043845309.216 }, "end": { "local": "2066-09-19T17:18:10+03:30", "utc": "2066-09-19T13:48:10Z", "ms": 3052129689671.8574 } }, "kaala": "aparahna", "days": [ { "local_date": "2066-09-18", "window": { "start": { "local": "2066-09-18T12:39:17+03:30", "utc": "2066-09-18T09:09:17Z", "ms": 3052026556735.837 }, "end": { "local": "2066-09-18T15:06:47+03:30", "utc": "2066-09-18T11:36:47Z", "ms": 3052035406928.0454 } }, "covered_min": 0, "window_min": 148, "qualifies": false }, { "local_date": "2066-09-19", "window": { "start": { "local": "2066-09-19T12:38:42+03:30", "utc": "2066-09-19T09:08:42Z", "ms": 3052112921694.1714 }, "end": { "local": "2066-09-19T15:05:45+03:30", "utc": "2066-09-19T11:35:45Z", "ms": 3052121744525.8745 } }, "covered_min": 147, "window_min": 147, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:27 on Sat 18 Sep to 17:18 on Sun 19 Sep.", "fact": "2066-09-18T13:57:25Z → 2066-09-19T13:48:10Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:39–15:07 on the 18th, 12:39–15:06 on the 19th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 148 minutes on the 18th and 147 of 147 on the 19th.", "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 7945 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Mashhad, 2066: Sunday 19 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": "2066-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-19", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālaya Amāvāsyā 2066 falls on Sunday 19 September. Amāvasyā runs from 17:27 on Sat 18 Sep to 17:18 on Sun 19 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17375, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-09-19T17:18:10+03:30", "utc": "2066-09-19T13:48:10Z", "ms": 3052129689671.8574 }, "end": { "local": "2066-09-20T16:38:24+03:30", "utc": "2066-09-20T13:08:24Z", "ms": 3052213703801.5317 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-19T17:18:10+03:30", "utc": "2066-09-19T13:48:10Z", "ms": 3052129689671.8574 }, "end": { "local": "2066-09-20T16:38:24+03:30", "utc": "2066-09-20T13:08:24Z", "ms": 3052213703801.5317 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-19", "window": { "start": { "local": "2066-09-19T11:01:10+03:30", "utc": "2066-09-19T07:31:10Z", "ms": 3052107070278.3193 }, "end": { "local": "2066-09-19T11:49:10+03:30", "utc": "2066-09-19T08:19:10Z", "ms": 3052109950278.3193 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-09-20", "window": { "start": { "local": "2066-09-20T11:00:49+03:30", "utc": "2066-09-20T07:30:49Z", "ms": 3052193448972.247 }, "end": { "local": "2066-09-20T11:48:49+03:30", "utc": "2066-09-20T08:18:49Z", "ms": 3052196328972.247 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:18 on Sun 19 Sep to 16:38 on Mon 20 Sep.", "fact": "2066-09-19T13:48:10Z → 2066-09-20T13:08:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 19th, 11:01–11:49 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17375 s" }, { "step": "ruling", "text": "Navarātrārambha, Mashhad, 2066: Monday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-20", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Navratri) 2066 falls on Monday 20 September. Pratipadā runs from 17:18 on Sun 19 Sep to 16:38 on Mon 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-09-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2675, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-09-22T14:10:02+03:30", "utc": "2066-09-22T10:40:02Z", "ms": 3052377602109.318 }, "end": { "local": "2066-09-23T12:32:21+03:30", "utc": "2066-09-23T09:02:21Z", "ms": 3052458141027.89 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-22T14:10:02+03:30", "utc": "2066-09-22T10:40:02Z", "ms": 3052377602109.318 }, "end": { "local": "2066-09-23T12:32:21+03:30", "utc": "2066-09-23T09:02:21Z", "ms": 3052458141027.89 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-22", "window": { "start": { "local": "2066-09-22T11:00:07+03:30", "utc": "2066-09-22T07:30:07Z", "ms": 3052366206592.1387 }, "end": { "local": "2066-09-22T11:48:07+03:30", "utc": "2066-09-22T08:18:07Z", "ms": 3052369086592.1387 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-09-23", "window": { "start": { "local": "2066-09-23T10:59:46+03:30", "utc": "2066-09-23T07:29:46Z", "ms": 3052452585551.139 }, "end": { "local": "2066-09-23T11:47:46+03:30", "utc": "2066-09-23T08:17:46Z", "ms": 3052455465551.139 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:10 on Wed 22 Sep to 12:32 on Thu 23 Sep.", "fact": "2066-09-22T10:40:02Z → 2066-09-23T09:02:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 22nd, 11:00–11:48 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2675 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Thursday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-23", "confidence": "boundary" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Thursday 23 September. Caturthī runs from 14:10 on Wed 22 Sep to 12:32 on Thu 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2408, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-09-25T08:50:29+03:30", "utc": "2066-09-25T05:20:29Z", "ms": 3052617629119.206 }, "end": { "local": "2066-09-26T06:51:10+03:30", "utc": "2066-09-26T03:21:10Z", "ms": 3052696870249.7314 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-25T08:50:29+03:30", "utc": "2066-09-25T05:20:29Z", "ms": 3052617629119.206 }, "end": { "local": "2066-09-26T06:51:10+03:30", "utc": "2066-09-26T03:21:10Z", "ms": 3052696870249.7314 } }, "kaala": "udaya-1", "days": [ { "local_date": "2066-09-25", "window": { "start": { "local": "2066-09-25T05:22:18+03:30", "utc": "2066-09-25T01:52:18Z", "ms": 3052605137802.292 }, "end": { "local": "2066-09-25T06:10:24+03:30", "utc": "2066-09-25T02:40:24Z", "ms": 3052608023942.283 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-09-26", "window": { "start": { "local": "2066-09-26T05:23:06+03:30", "utc": "2066-09-26T01:53:06Z", "ms": 3052691585700.0396 }, "end": { "local": "2066-09-26T06:11:03+03:30", "utc": "2066-09-26T02:41:03Z", "ms": 3052694462704.057 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:50 on Sat 25 Sep to 06:51 on Sun 26 Sep.", "fact": "2066-09-25T05:20:29Z → 2066-09-26T03:21:10Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:22–06:10 on the 25th, 05:23–06:11 on the 26th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2408 s" }, { "step": "ruling", "text": "Durgā Saptamī, Mashhad, 2066: Sunday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-26", "confidence": "determinate" } ], "quote": "In Mashhad, Durgā Saptamī 2066 falls on Sunday 26 September. Saptamī runs from 08:50 on Sat 25 Sep to 06:51 on Sun 26 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14853, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-09-26T06:51:10+03:30", "utc": "2066-09-26T03:21:10Z", "ms": 3052696870249.7314 }, "end": { "local": "2066-09-27T04:48:08+03:30", "utc": "2066-09-27T01:18:08Z", "ms": 3052775888344.299 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-26T06:51:10+03:30", "utc": "2066-09-26T03:21:10Z", "ms": 3052696870249.7314 }, "end": { "local": "2066-09-27T04:48:08+03:30", "utc": "2066-09-27T01:18:08Z", "ms": 3052775888344.299 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-26", "window": { "start": { "local": "2066-09-26T10:58:43+03:30", "utc": "2066-09-26T07:28:43Z", "ms": 3052711723230.17 }, "end": { "local": "2066-09-26T11:46:43+03:30", "utc": "2066-09-26T08:16:43Z", "ms": 3052714603230.17 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-09-27", "window": { "start": { "local": "2066-09-27T10:58:23+03:30", "utc": "2066-09-27T07:28:23Z", "ms": 3052798102785.0776 }, "end": { "local": "2066-09-27T11:46:23+03:30", "utc": "2066-09-27T08:16:23Z", "ms": 3052800982785.0776 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:51 on Sun 26 Sep to 04:48 on Mon 27 Sep.", "fact": "2066-09-26T03:21:10Z → 2066-09-27T01:18:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 26th, 10:58–11:46 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14853 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Mashhad, 2066: Sunday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-26", "confidence": "determinate" } ], "quote": "In Mashhad, Mahāṣṭamī (Durga Ashtami) 2066 falls on Sunday 26 September. Aṣṭamī runs from 06:51 on Sun 26 Sep to 04:48 on Mon 27 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22214, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2066-09-27T04:48:08+03:30", "utc": "2066-09-27T01:18:08Z", "ms": 3052775888344.299 }, "end": { "local": "2066-09-28T02:42:29+03:30", "utc": "2066-09-27T23:12:29Z", "ms": 3052854749120.4478 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-27T04:48:08+03:30", "utc": "2066-09-27T01:18:08Z", "ms": 3052775888344.299 }, "end": { "local": "2066-09-28T02:42:29+03:30", "utc": "2066-09-27T23:12:29Z", "ms": 3052854749120.4478 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-27", "window": { "start": { "local": "2066-09-27T10:58:23+03:30", "utc": "2066-09-27T07:28:23Z", "ms": 3052798102785.0776 }, "end": { "local": "2066-09-27T11:46:23+03:30", "utc": "2066-09-27T08:16:23Z", "ms": 3052800982785.0776 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-09-28", "window": { "start": { "local": "2066-09-28T10:58:03+03:30", "utc": "2066-09-28T07:28:03Z", "ms": 3052884482537.2383 }, "end": { "local": "2066-09-28T11:46:03+03:30", "utc": "2066-09-28T08:16:03Z", "ms": 3052887362537.2383 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 04:48 on Mon 27 Sep to 02:42 on Tue 28 Sep.", "fact": "2066-09-27T01:18:08Z → 2066-09-27T23:12:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 27th, 10:58–11:46 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22214 s" }, { "step": "ruling", "text": "Mahānavamī, Mashhad, 2066: Monday 27 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-27", "confidence": "determinate" } ], "quote": "In Mashhad, Mahānavamī 2066 falls on Monday 27 September. Navamī runs from 04:48 on Mon 27 Sep to 02:42 on Tue 28 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17386, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2066-09-28T02:42:29+03:30", "utc": "2066-09-27T23:12:29Z", "ms": 3052854749120.4478 }, "end": { "local": "2066-09-29T00:35:45+03:30", "utc": "2066-09-28T21:05:45Z", "ms": 3052933544784.027 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-28T02:42:29+03:30", "utc": "2066-09-27T23:12:29Z", "ms": 3052854749120.4478 }, "end": { "local": "2066-09-29T00:35:45+03:30", "utc": "2066-09-28T21:05:45Z", "ms": 3052933544784.027 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-09-28", "window": { "start": { "local": "2066-09-28T10:58:03+03:30", "utc": "2066-09-28T07:28:03Z", "ms": 3052884482537.2383 }, "end": { "local": "2066-09-28T11:46:03+03:30", "utc": "2066-09-28T08:16:03Z", "ms": 3052887362537.2383 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-09-29", "window": { "start": { "local": "2066-09-29T10:57:43+03:30", "utc": "2066-09-29T07:27:43Z", "ms": 3052970862508.0054 }, "end": { "local": "2066-09-29T11:45:43+03:30", "utc": "2066-09-29T08:15:43Z", "ms": 3052973742508.0054 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 02:42 on Tue 28 Sep to 00:36 on Wed 29 Sep.", "fact": "2066-09-27T23:12:29Z → 2066-09-28T21:05:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 28th, 10:58–11:46 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17386 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Mashhad, 2066: Tuesday 28 September.", "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": "2066-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-28", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Daśamī (Dussehra) 2066 falls on Tuesday 28 September. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 02:42 on Tue 28 Sep to 00:36 on Wed 29 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-09-29", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17386, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-09-29T00:35:45+03:30", "utc": "2066-09-28T21:05:45Z", "ms": 3052933544784.027 }, "end": { "local": "2066-09-29T22:30:24+03:30", "utc": "2066-09-29T19:00:24Z", "ms": 3053012423737.7275 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-29T00:35:45+03:30", "utc": "2066-09-28T21:05:45Z", "ms": 3052933544784.027 }, "end": { "local": "2066-09-29T22:30:24+03:30", "utc": "2066-09-29T19:00:24Z", "ms": 3053012423737.7275 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-09-29", "window": { "start": { "local": "2066-09-29T05:25:30+03:30", "utc": "2066-09-29T01:55:30Z", "ms": 3052950930374.1294 }, "end": { "local": "2066-09-29T05:25:30+03:30", "utc": "2066-09-29T01:55:30Z", "ms": 3052950930374.1294 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-09-30", "window": { "start": { "local": "2066-09-30T05:26:19+03:30", "utc": "2066-09-30T01:56:19Z", "ms": 3053037378967.533 }, "end": { "local": "2066-09-30T05:26:19+03:30", "utc": "2066-09-30T01:56:19Z", "ms": 3053037378967.533 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:36 on Wed 29 Sep to 22:30 on Wed 29 Sep.", "fact": "2066-09-28T21:05:45Z → 2066-09-29T19:00:24Z" }, { "step": "kaala", "text": "Sunrise is at 05:26 on the 29th and 05:26 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 17386 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Mashhad, 2066: Wednesday 29 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": "2066-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-09-29", "confidence": "determinate" } ], "quote": "In Mashhad, Pāśāṅkuśā Ekādaśī 2066 falls on Wednesday 29 September. Ekādaśī runs from 00:36 on Wed 29 Sep to 22:30 on Wed 29 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-10-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 760, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-09-30T20:30:09+03:30", "utc": "2066-09-30T17:00:09Z", "ms": 3053091609068.1084 }, "end": { "local": "2066-10-01T18:40:03+03:30", "utc": "2066-10-01T15:10:03Z", "ms": 3053171402621.8423 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2066-09-30T20:30:09+03:30", "utc": "2066-09-30T17:00:09Z", "ms": 3053091609068.1084 }, "end": { "local": "2066-10-01T18:40:03+03:30", "utc": "2066-10-01T15:10:03Z", "ms": 3053171402621.8423 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-09-30", "window": { "start": { "local": "2066-09-30T17:16:26+03:30", "utc": "2066-09-30T13:46:26Z", "ms": 3053079986471.9556 }, "end": { "local": "2066-09-30T18:53:52+03:30", "utc": "2066-09-30T15:23:52Z", "ms": 3053085831978.301 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2066-10-01", "window": { "start": { "local": "2066-10-01T17:14:59+03:30", "utc": "2066-10-01T13:44:59Z", "ms": 3053166298621.8535 }, "end": { "local": "2066-10-01T18:52:42+03:30", "utc": "2066-10-01T15:22:42Z", "ms": 3053172162378.439 } }, "covered_min": 85, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:30 on Thu 30 Sep to 18:40 on Fri 1 Oct.", "fact": "2066-09-30T17:00:09Z → 2066-10-01T15:10:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–18:54 on the 30th, 17:15–18:53 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 30th and 85 of 98 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 760 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Friday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-01", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Friday 1 October. Trayodaśī runs from 20:30 on Thu 30 Sep to 18:40 on Fri 1 Oct and covers 85 of 98 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8180, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-10-06T15:46:01+03:30", "utc": "2066-10-06T12:16:01Z", "ms": 3053592961293.555 }, "end": { "local": "2066-10-07T17:02:22+03:30", "utc": "2066-10-07T13:32:22Z", "ms": 3053683941668.0703 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-06T15:46:01+03:30", "utc": "2066-10-06T12:16:01Z", "ms": 3053592961293.555 }, "end": { "local": "2066-10-07T17:02:22+03:30", "utc": "2066-10-07T13:32:22Z", "ms": 3053683941668.0703 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-10-06", "window": { "start": { "local": "2066-10-06T18:35:46+03:30", "utc": "2066-10-06T15:05:46Z", "ms": 3053603146428.5605 }, "end": { "local": "2066-10-06T18:35:46+03:30", "utc": "2066-10-06T15:05:46Z", "ms": 3053603146428.5605 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-10-07", "window": { "start": { "local": "2066-10-07T19:18:41+03:30", "utc": "2066-10-07T15:48:41Z", "ms": 3053692121306.2026 }, "end": { "local": "2066-10-07T19:18:41+03:30", "utc": "2066-10-07T15:48:41Z", "ms": 3053692121306.2026 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:46 on Wed 6 Oct to 17:02 on Thu 7 Oct.", "fact": "2066-10-06T12:16:01Z → 2066-10-07T13:32:22Z" }, { "step": "kaala", "text": "Moonrise is at 18:36 on the 6th and 19:19 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8180 s" }, { "step": "ruling", "text": "Karaka Caturthī, Mashhad, 2066: Wednesday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-06", "confidence": "determinate" } ], "quote": "In Mashhad, Karaka Caturthī (Karwa Chauth) 2066 falls on Wednesday 6 October. Caturthī runs from 15:46 on Wed 6 Oct to 17:02 on Thu 7 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-10-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8180, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-10-06T15:46:01+03:30", "utc": "2066-10-06T12:16:01Z", "ms": 3053592961293.555 }, "end": { "local": "2066-10-07T17:02:22+03:30", "utc": "2066-10-07T13:32:22Z", "ms": 3053683941668.0703 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-06T15:46:01+03:30", "utc": "2066-10-06T12:16:01Z", "ms": 3053592961293.555 }, "end": { "local": "2066-10-07T17:02:22+03:30", "utc": "2066-10-07T13:32:22Z", "ms": 3053683941668.0703 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-10-06", "window": { "start": { "local": "2066-10-06T18:35:46+03:30", "utc": "2066-10-06T15:05:46Z", "ms": 3053603146428.5605 }, "end": { "local": "2066-10-06T18:35:46+03:30", "utc": "2066-10-06T15:05:46Z", "ms": 3053603146428.5605 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-10-07", "window": { "start": { "local": "2066-10-07T19:18:41+03:30", "utc": "2066-10-07T15:48:41Z", "ms": 3053692121306.2026 }, "end": { "local": "2066-10-07T19:18:41+03:30", "utc": "2066-10-07T15:48:41Z", "ms": 3053692121306.2026 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:46 on Wed 6 Oct to 17:02 on Thu 7 Oct.", "fact": "2066-10-06T12:16:01Z → 2066-10-07T13:32:22Z" }, { "step": "kaala", "text": "Moonrise is at 18:36 on the 6th and 19:19 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8180 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Wednesday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-06", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Wednesday 6 October. Caturthī runs from 15:46 on Wed 6 Oct to 17:02 on Thu 7 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7353, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-10-10T23:54:34+03:30", "utc": "2066-10-10T20:24:34Z", "ms": 3053967873933.2764 }, "end": { "local": "2066-10-12T02:30:35+03:30", "utc": "2066-10-11T23:00:35Z", "ms": 3054063634978.988 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-10T23:54:34+03:30", "utc": "2066-10-10T20:24:34Z", "ms": 3053967873933.2764 }, "end": { "local": "2066-10-12T02:30:35+03:30", "utc": "2066-10-11T23:00:35Z", "ms": 3054063634978.988 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-10-10", "window": { "start": { "local": "2066-10-10T21:52:01+03:30", "utc": "2066-10-10T18:22:01Z", "ms": 3053960521070.7466 }, "end": { "local": "2066-10-10T21:52:01+03:30", "utc": "2066-10-10T18:22:01Z", "ms": 3053960521070.7466 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-10-11", "window": { "start": { "local": "2066-10-11T22:48:31+03:30", "utc": "2066-10-11T19:18:31Z", "ms": 3054050311273.935 }, "end": { "local": "2066-10-11T22:48:31+03:30", "utc": "2066-10-11T19:18:31Z", "ms": 3054050311273.935 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:55 on Sun 10 Oct to 02:31 on Tue 12 Oct.", "fact": "2066-10-10T20:24:34Z → 2066-10-11T23:00:35Z" }, { "step": "kaala", "text": "Moonrise is at 21:52 on the 10th and 22:49 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7353 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Mashhad, 2066: Monday 11 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": "2066-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-11", "confidence": "determinate" } ], "quote": "In Mashhad, Ahoyī Aṣṭamī 2066 falls on Monday 11 October. Aṣṭamī runs from 23:55 on Sun 10 Oct to 02:31 on Tue 12 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-10-15", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3537, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-10-14T06:37:05+03:30", "utc": "2066-10-14T03:07:05Z", "ms": 3054251225103.5312 }, "end": { "local": "2066-10-15T07:44:30+03:30", "utc": "2066-10-15T04:14:30Z", "ms": 3054341669830.3403 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-14T06:37:05+03:30", "utc": "2066-10-14T03:07:05Z", "ms": 3054251225103.5312 }, "end": { "local": "2066-10-15T07:44:30+03:30", "utc": "2066-10-15T04:14:30Z", "ms": 3054341669830.3403 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-10-14", "window": { "start": { "local": "2066-10-14T05:38:08+03:30", "utc": "2066-10-14T02:08:08Z", "ms": 3054247687848.7793 }, "end": { "local": "2066-10-14T05:38:08+03:30", "utc": "2066-10-14T02:08:08Z", "ms": 3054247687848.7793 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-10-15", "window": { "start": { "local": "2066-10-15T05:39:01+03:30", "utc": "2066-10-15T02:09:01Z", "ms": 3054334140972.3457 }, "end": { "local": "2066-10-15T05:39:01+03:30", "utc": "2066-10-15T02:09:01Z", "ms": 3054334140972.3457 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:37 on Thu 14 Oct to 07:44 on Fri 15 Oct.", "fact": "2066-10-14T03:07:05Z → 2066-10-15T04:14:30Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 14th and 05:39 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is 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 3537 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Mashhad, 2066: Friday 15 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": "2066-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-15", "confidence": "determinate" } ], "quote": "In Mashhad, Ramā Ekādaśī 2066 falls on Friday 15 October. Ekādaśī runs from 06:37 on Thu 14 Oct to 07:44 on Fri 15 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-10-15", "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/2066/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31592, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-10-15T07:44:30+03:30", "utc": "2066-10-15T04:14:30Z", "ms": 3054341669830.3403 }, "end": { "local": "2066-10-16T08:07:29+03:30", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-15T07:44:30+03:30", "utc": "2066-10-15T04:14:30Z", "ms": 3054341669830.3403 }, "end": { "local": "2066-10-16T08:07:29+03:30", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-15", "window": { "start": { "local": "2066-10-15T16:55:20+03:30", "utc": "2066-10-15T13:25:20Z", "ms": 3054374720343.7607 }, "end": { "local": "2066-10-15T18:37:17+03:30", "utc": "2066-10-15T15:07:17Z", "ms": 3054380836892.6987 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "2066-10-16", "window": { "start": { "local": "2066-10-16T16:54:01+03:30", "utc": "2066-10-16T13:24:01Z", "ms": 3054461041153.136 }, "end": { "local": "2066-10-16T18:36:15+03:30", "utc": "2066-10-16T15:06:15Z", "ms": 3054467175441.354 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:44 on Fri 15 Oct to 08:07 on Sat 16 Oct.", "fact": "2066-10-15T04:14:30Z → 2066-10-16T04:37:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:55–18:37 on the 15th, 16:54–18:36 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 15th and 0 of 102 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31592 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Mashhad, 2066: Friday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-15", "confidence": "determinate" } ], "quote": "In Mashhad, Govatsa Dvādaśī (Vasu Baras) 2066 falls on Friday 15 October. Dvādaśī runs from 07:44 on Fri 15 Oct to 08:07 on Sat 16 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31592, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-10-16T08:07:29+03:30", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "end": { "local": "2066-10-17T07:46:41+03:30", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-16T08:07:29+03:30", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "end": { "local": "2066-10-17T07:46:41+03:30", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-16", "window": { "start": { "local": "2066-10-16T16:54:01+03:30", "utc": "2066-10-16T13:24:01Z", "ms": 3054461041153.136 }, "end": { "local": "2066-10-16T18:36:15+03:30", "utc": "2066-10-16T15:06:15Z", "ms": 3054467175441.354 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T16:52:43+03:30", "utc": "2066-10-17T13:22:43Z", "ms": 3054547362791.9824 }, "end": { "local": "2066-10-17T18:35:15+03:30", "utc": "2066-10-17T15:05:15Z", "ms": 3054553514757.502 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:07 on Sat 16 Oct to 07:47 on Sun 17 Oct.", "fact": "2066-10-16T04:37:29Z → 2066-10-17T04:16:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:54–18:36 on the 16th, 16:53–18:35 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 16th and 0 of 103 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31592 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Mashhad, 2066: Saturday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-16", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Dīpadāna 2066 falls on Saturday 16 October. Trayodaśī runs from 08:07 on Sat 16 Oct to 07:47 on Sun 17 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/pradosha-vrata?on=2066-10-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31592, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-10-16T08:07:29+03:30", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "end": { "local": "2066-10-17T07:46:41+03:30", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-16T08:07:29+03:30", "utc": "2066-10-16T04:37:29Z", "ms": 3054429448690.417 }, "end": { "local": "2066-10-17T07:46:41+03:30", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-16", "window": { "start": { "local": "2066-10-16T16:54:01+03:30", "utc": "2066-10-16T13:24:01Z", "ms": 3054461041153.136 }, "end": { "local": "2066-10-16T18:36:15+03:30", "utc": "2066-10-16T15:06:15Z", "ms": 3054467175441.354 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T16:52:43+03:30", "utc": "2066-10-17T13:22:43Z", "ms": 3054547362791.9824 }, "end": { "local": "2066-10-17T18:35:15+03:30", "utc": "2066-10-17T15:05:15Z", "ms": 3054553514757.502 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:07 on Sat 16 Oct to 07:47 on Sun 17 Oct.", "fact": "2066-10-16T04:37:29Z → 2066-10-17T04:16:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:54–18:36 on the 16th, 16:53–18:35 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 16th and 0 of 103 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31592 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Saturday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-16", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Saturday 16 October. Trayodaśī runs from 08:07 on Sat 16 Oct to 07:47 on Sun 17 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shivaratri?on=2066-10-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25513, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-10-17T07:46:41+03:30", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "end": { "local": "2066-10-18T06:46:25+03:30", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-17T07:46:41+03:30", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "end": { "local": "2066-10-18T06:46:25+03:30", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 } }, "kaala": "nishita", "days": [ { "local_date": "2066-10-16", "window": { "start": { "local": "2066-10-16T22:53:25+03:30", "utc": "2066-10-16T19:23:25Z", "ms": 3054482604733.953 }, "end": { "local": "2066-10-16T23:41:25+03:30", "utc": "2066-10-16T20:11:25Z", "ms": 3054485484733.953 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T22:53:13+03:30", "utc": "2066-10-17T19:23:13Z", "ms": 3054568992662.6807 }, "end": { "local": "2066-10-17T23:41:13+03:30", "utc": "2066-10-17T20:11:13Z", "ms": 3054571872662.6807 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:47 on Sun 17 Oct to 06:46 on Mon 18 Oct.", "fact": "2066-10-17T04:16:41Z → 2066-10-18T03:16:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:53–23:41 on the 16th, 22:53–23:41 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25513 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Sunday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-17", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Sunday 17 October. Caturdaśī runs from 07:47 on Sun 17 Oct to 06:46 on Mon 18 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3883, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-10-17T07:46:41+03:30", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "end": { "local": "2066-10-18T06:46:25+03:30", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-17T07:46:41+03:30", "utc": "2066-10-17T04:16:41Z", "ms": 3054514600866.0176 }, "end": { "local": "2066-10-18T06:46:25+03:30", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 } }, "kaala": "arunodaya", "days": [ { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T03:58:34+03:30", "utc": "2066-10-17T00:28:34Z", "ms": 3054500914026.5522 }, "end": { "local": "2066-10-17T05:40:48+03:30", "utc": "2066-10-17T02:10:48Z", "ms": 3054507048314.77 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2066-10-18", "window": { "start": { "local": "2066-10-18T03:59:11+03:30", "utc": "2066-10-18T00:29:11Z", "ms": 3054587350567.859 }, "end": { "local": "2066-10-18T05:41:43+03:30", "utc": "2066-10-18T02:11:43Z", "ms": 3054593502533.3784 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:47 on Sun 17 Oct to 06:46 on Mon 18 Oct.", "fact": "2066-10-17T04:16:41Z → 2066-10-18T03:16:25Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 03:59–05:41 on the 17th, 03:59–05:42 on the 18th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 102 minutes on the 17th and 103 of 103 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3883 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Mashhad, 2066: Monday 18 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": "2066-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-18", "confidence": "determinate" } ], "quote": "In Mashhad, Naraka Caturdaśī (Choti Diwali) 2066 falls on Monday 18 October. Caturdaśī runs from 07:47 on Sun 17 Oct to 06:46 on Mon 18 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36300, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2066-10-18T06:46:25+03:30", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "end": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-18T06:46:25+03:30", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "end": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-18", "window": { "start": { "local": "2066-10-18T16:51:25+03:30", "utc": "2066-10-18T13:21:25Z", "ms": 3054633685289.598 }, "end": { "local": "2066-10-18T18:34:15+03:30", "utc": "2066-10-18T15:04:15Z", "ms": 3054639854866.2085 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2066-10-19", "window": { "start": { "local": "2066-10-19T16:50:09+03:30", "utc": "2066-10-19T13:20:09Z", "ms": 3054720008674.6387 }, "end": { "local": "2066-10-19T18:33:16+03:30", "utc": "2066-10-19T15:03:16Z", "ms": 3054726195791.778 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 06:46 on Mon 18 Oct to 05:13 on Tue 19 Oct.", "fact": "2066-10-18T03:16:25Z → 2066-10-19T01:43:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:51–18:34 on the 18th, 16:50–18:33 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 103 of 103 minutes on the 18th and 0 of 103 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36300 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Mashhad, 2066: Monday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-18", "confidence": "determinate" } ], "quote": "In Mashhad, Lakṣmī Pūjā (Diwali) 2066 falls on Monday 18 October. Amāvasyā runs from 06:46 on Mon 18 Oct to 05:13 on Tue 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19942, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2066-10-18T06:46:25+03:30", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "end": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-18T06:46:25+03:30", "utc": "2066-10-18T03:16:25Z", "ms": 3054597385351.648 }, "end": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 } }, "kaala": "nishita", "days": [ { "local_date": "2066-10-17", "window": { "start": { "local": "2066-10-17T22:53:13+03:30", "utc": "2066-10-17T19:23:13Z", "ms": 3054568992662.6807 }, "end": { "local": "2066-10-17T23:41:13+03:30", "utc": "2066-10-17T20:11:13Z", "ms": 3054571872662.6807 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-18", "window": { "start": { "local": "2066-10-18T22:53:01+03:30", "utc": "2066-10-18T19:23:01Z", "ms": 3054655381201.886 }, "end": { "local": "2066-10-18T23:41:01+03:30", "utc": "2066-10-18T20:11:01Z", "ms": 3054658261201.886 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 06:46 on Mon 18 Oct to 05:13 on Tue 19 Oct.", "fact": "2066-10-18T03:16:25Z → 2066-10-19T01:43:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:53–23:41 on the 17th, 22:53–23:41 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19942 s" }, { "step": "ruling", "text": "Kālī Pūjā, Mashhad, 2066: Monday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-18", "confidence": "determinate" } ], "quote": "In Mashhad, Kālī Pūjā 2066 falls on Monday 18 October. Amāvasyā runs from 06:46 on Mon 18 Oct to 05:13 on Tue 19 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20340, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T03:15:27+03:30", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T03:15:27+03:30", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-19", "window": { "start": { "local": "2066-10-19T10:52:23+03:30", "utc": "2066-10-19T07:22:23Z", "ms": 3054698542894.4062 }, "end": { "local": "2066-10-19T11:40:23+03:30", "utc": "2066-10-19T08:10:23Z", "ms": 3054701422894.4062 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-10-20", "window": { "start": { "local": "2066-10-20T10:52:13+03:30", "utc": "2066-10-20T07:22:13Z", "ms": 3054784932514.24 }, "end": { "local": "2066-10-20T11:40:13+03:30", "utc": "2066-10-20T08:10:13Z", "ms": 3054787812514.24 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:13 on Tue 19 Oct to 03:15 on Wed 20 Oct.", "fact": "2066-10-19T01:43:23Z → 2066-10-19T23:45:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 19th, 10:52–11:40 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20340 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Mashhad, 2066: Tuesday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-19", "confidence": "determinate" } ], "quote": "In Mashhad, Govardhana Pūjā 2066 falls on Tuesday 19 October. Pratipadā runs from 05:13 on Tue 19 Oct to 03:15 on Wed 20 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31331, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T03:15:27+03:30", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T03:15:27+03:30", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-18", "window": { "start": { "local": "2066-10-18T16:51:25+03:30", "utc": "2066-10-18T13:21:25Z", "ms": 3054633685289.598 }, "end": { "local": "2066-10-18T18:34:15+03:30", "utc": "2066-10-18T15:04:15Z", "ms": 3054639854866.2085 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2066-10-19", "window": { "start": { "local": "2066-10-19T16:50:09+03:30", "utc": "2066-10-19T13:20:09Z", "ms": 3054720008674.6387 }, "end": { "local": "2066-10-19T18:33:16+03:30", "utc": "2066-10-19T15:03:16Z", "ms": 3054726195791.778 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:13 on Tue 19 Oct to 03:15 on Wed 20 Oct.", "fact": "2066-10-19T01:43:23Z → 2066-10-19T23:45:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:51–18:34 on the 18th, 16:50–18:33 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 103 minutes on the 18th and 103 of 103 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31331 s" }, { "step": "ruling", "text": "Bali Pūjā, Mashhad, 2066: Tuesday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-19", "confidence": "determinate" } ], "quote": "In Mashhad, Bali Pūjā 2066 falls on Tuesday 19 October. Pratipadā runs from 05:13 on Tue 19 Oct to 03:15 on Wed 20 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1754, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T03:15:27+03:30", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-19T05:13:23+03:30", "utc": "2066-10-19T01:43:23Z", "ms": 3054678203382.909 }, "end": { "local": "2066-10-20T03:15:27+03:30", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 } }, "kaala": "purvahna", "days": [ { "local_date": "2066-10-19", "window": { "start": { "local": "2066-10-19T05:42:37+03:30", "utc": "2066-10-19T02:12:37Z", "ms": 3054679957114.1743 }, "end": { "local": "2066-10-19T09:25:08+03:30", "utc": "2066-10-19T05:55:08Z", "ms": 3054693307634.329 } }, "covered_min": 223, "window_min": 223, "qualifies": true }, { "local_date": "2066-10-20", "window": { "start": { "local": "2066-10-20T05:43:32+03:30", "utc": "2066-10-20T02:13:32Z", "ms": 3054766412053.181 }, "end": { "local": "2066-10-20T09:25:19+03:30", "utc": "2066-10-20T05:55:19Z", "ms": 3054779719027.2207 } }, "covered_min": 0, "window_min": 222, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:13 on Tue 19 Oct to 03:15 on Wed 20 Oct.", "fact": "2066-10-19T01:43:23Z → 2066-10-19T23:45:27Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:43–09:25 on the 19th, 05:44–09:25 on the 20th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 223 of 223 minutes on the 19th and 0 of 222 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1754 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Mashhad, 2066: Tuesday 19 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": "2066-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-19", "confidence": "determinate" } ], "quote": "In Mashhad, Dyūta Pratipad 2066 falls on Tuesday 19 October. Pratipadā runs from 05:13 on Tue 19 Oct to 03:15 on Wed 20 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27405, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2066-10-20T03:15:27+03:30", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "end": { "local": "2066-10-21T01:00:43+03:30", "utc": "2066-10-20T21:30:43Z", "ms": 3054835843037.1274 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-20T03:15:27+03:30", "utc": "2066-10-19T23:45:27Z", "ms": 3054757527267.2505 }, "end": { "local": "2066-10-21T01:00:43+03:30", "utc": "2066-10-20T21:30:43Z", "ms": 3054835843037.1274 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-20", "window": { "start": { "local": "2066-10-20T10:52:13+03:30", "utc": "2066-10-20T07:22:13Z", "ms": 3054784932514.24 }, "end": { "local": "2066-10-20T11:40:13+03:30", "utc": "2066-10-20T08:10:13Z", "ms": 3054787812514.24 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-10-21", "window": { "start": { "local": "2066-10-21T10:52:03+03:30", "utc": "2066-10-21T07:22:03Z", "ms": 3054871322782.345 }, "end": { "local": "2066-10-21T11:40:03+03:30", "utc": "2066-10-21T08:10:03Z", "ms": 3054874202782.345 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:15 on Wed 20 Oct to 01:01 on Thu 21 Oct.", "fact": "2066-10-19T23:45:27Z → 2066-10-20T21:30:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 20th, 10:52–11:40 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27405 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Mashhad, 2066: Wednesday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-20", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Dvitīyā (Bhai Dooj) 2066 falls on Wednesday 20 October. Dvitīyā runs from 03:15 on Wed 20 Oct to 01:01 on Thu 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30626, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-10-21T22:36:48+03:30", "utc": "2066-10-21T19:06:48Z", "ms": 3054913607750.1504 }, "end": { "local": "2066-10-22T20:10:20+03:30", "utc": "2066-10-22T16:40:20Z", "ms": 3054991219956.9316 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-21T22:36:48+03:30", "utc": "2066-10-21T19:06:48Z", "ms": 3054913607750.1504 }, "end": { "local": "2066-10-22T20:10:20+03:30", "utc": "2066-10-22T16:40:20Z", "ms": 3054991219956.9316 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-21", "window": { "start": { "local": "2066-10-21T10:52:03+03:30", "utc": "2066-10-21T07:22:03Z", "ms": 3054871322782.345 }, "end": { "local": "2066-10-21T11:40:03+03:30", "utc": "2066-10-21T08:10:03Z", "ms": 3054874202782.345 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-22", "window": { "start": { "local": "2066-10-22T10:51:54+03:30", "utc": "2066-10-22T07:21:54Z", "ms": 3054957713709.652 }, "end": { "local": "2066-10-22T11:39:54+03:30", "utc": "2066-10-22T08:09:54Z", "ms": 3054960593709.652 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:37 on Thu 21 Oct to 20:10 on Fri 22 Oct.", "fact": "2066-10-21T19:06:48Z → 2066-10-22T16:40:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 21st, 10:52–11:40 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30626 s" }, { "step": "ruling", "text": "Nāga Caturthī, Mashhad, 2066: Friday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-22", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Caturthī 2066 falls on Friday 22 October. Caturthī runs from 22:37 on Thu 21 Oct to 20:10 on Fri 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/vinayaka-chaturthi?on=2066-10-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30626, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-10-21T22:36:48+03:30", "utc": "2066-10-21T19:06:48Z", "ms": 3054913607750.1504 }, "end": { "local": "2066-10-22T20:10:20+03:30", "utc": "2066-10-22T16:40:20Z", "ms": 3054991219956.9316 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-21T22:36:48+03:30", "utc": "2066-10-21T19:06:48Z", "ms": 3054913607750.1504 }, "end": { "local": "2066-10-22T20:10:20+03:30", "utc": "2066-10-22T16:40:20Z", "ms": 3054991219956.9316 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-21", "window": { "start": { "local": "2066-10-21T10:52:03+03:30", "utc": "2066-10-21T07:22:03Z", "ms": 3054871322782.345 }, "end": { "local": "2066-10-21T11:40:03+03:30", "utc": "2066-10-21T08:10:03Z", "ms": 3054874202782.345 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-22", "window": { "start": { "local": "2066-10-22T10:51:54+03:30", "utc": "2066-10-22T07:21:54Z", "ms": 3054957713709.652 }, "end": { "local": "2066-10-22T11:39:54+03:30", "utc": "2066-10-22T08:09:54Z", "ms": 3054960593709.652 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:37 on Thu 21 Oct to 20:10 on Fri 22 Oct.", "fact": "2066-10-21T19:06:48Z → 2066-10-22T16:40:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 21st, 10:52–11:40 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30626 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Friday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-22", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Friday 22 October. Caturthī runs from 22:37 on Thu 21 Oct to 20:10 on Fri 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13817, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-10-23T17:46:42+03:30", "utc": "2066-10-23T14:16:42Z", "ms": 3055069002151.027 }, "end": { "local": "2066-10-24T15:29:55+03:30", "utc": "2066-10-24T11:59:55Z", "ms": 3055147195079.19 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-23T17:46:42+03:30", "utc": "2066-10-23T14:16:42Z", "ms": 3055069002151.027 }, "end": { "local": "2066-10-24T15:29:55+03:30", "utc": "2066-10-24T11:59:55Z", "ms": 3055147195079.19 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-23", "window": { "start": { "local": "2066-10-23T10:51:45+03:30", "utc": "2066-10-23T07:21:45Z", "ms": 3055044105307.047 }, "end": { "local": "2066-10-23T11:39:45+03:30", "utc": "2066-10-23T08:09:45Z", "ms": 3055046985307.047 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-24", "window": { "start": { "local": "2066-10-24T10:51:38+03:30", "utc": "2066-10-24T07:21:38Z", "ms": 3055130497585.7188 }, "end": { "local": "2066-10-24T11:39:38+03:30", "utc": "2066-10-24T08:09:38Z", "ms": 3055133377585.7188 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:47 on Sat 23 Oct to 15:30 on Sun 24 Oct.", "fact": "2066-10-23T14:16:42Z → 2066-10-24T11:59:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 23rd, 10:52–11:40 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13817 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Mashhad, 2066: Sunday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-24", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Chhath) 2066 falls on Sunday 24 October. Ṣaṣṭhī runs from 17:47 on Sat 23 Oct to 15:30 on Sun 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 746, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2066-10-25T13:22:44+03:30", "utc": "2066-10-25T09:52:44Z", "ms": 3055225964225.631 }, "end": { "local": "2066-10-26T11:26:58+03:30", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-25T13:22:44+03:30", "utc": "2066-10-25T09:52:44Z", "ms": 3055225964225.631 }, "end": { "local": "2066-10-26T11:26:58+03:30", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-25", "window": { "start": { "local": "2066-10-25T10:51:31+03:30", "utc": "2066-10-25T07:21:31Z", "ms": 3055216890557.4043 }, "end": { "local": "2066-10-25T11:39:31+03:30", "utc": "2066-10-25T08:09:31Z", "ms": 3055219770557.4043 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-10-26", "window": { "start": { "local": "2066-10-26T10:51:24+03:30", "utc": "2066-10-26T07:21:24Z", "ms": 3055303284234.5166 }, "end": { "local": "2066-10-26T11:39:24+03:30", "utc": "2066-10-26T08:09:24Z", "ms": 3055306164234.5166 } }, "covered_min": 36, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:23 on Mon 25 Oct to 11:27 on Tue 26 Oct.", "fact": "2066-10-25T09:52:44Z → 2066-10-26T07:56:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 25th, 10:51–11:39 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 36 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 746 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Mashhad, 2066: Tuesday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-26", "confidence": "determinate" } ], "quote": "In Mashhad, Gopāṣṭamī 2066 falls on Tuesday 26 October. Aṣṭamī runs from 13:23 on Mon 25 Oct to 11:27 on Tue 26 Oct and covers 36 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 746, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2066-10-26T11:26:58+03:30", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "end": { "local": "2066-10-27T09:43:54+03:30", "utc": "2066-10-27T06:13:54Z", "ms": 3055385633643.93 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-26T11:26:58+03:30", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "end": { "local": "2066-10-27T09:43:54+03:30", "utc": "2066-10-27T06:13:54Z", "ms": 3055385633643.93 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-10-26", "window": { "start": { "local": "2066-10-26T10:51:24+03:30", "utc": "2066-10-26T07:21:24Z", "ms": 3055303284234.5166 }, "end": { "local": "2066-10-26T11:39:24+03:30", "utc": "2066-10-26T08:09:24Z", "ms": 3055306164234.5166 } }, "covered_min": 12, "window_min": 48, "qualifies": true }, { "local_date": "2066-10-27", "window": { "start": { "local": "2066-10-27T10:51:19+03:30", "utc": "2066-10-27T07:21:19Z", "ms": 3055389678630.1426 }, "end": { "local": "2066-10-27T11:39:19+03:30", "utc": "2066-10-27T08:09:19Z", "ms": 3055392558630.1426 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:27 on Tue 26 Oct to 09:44 on Wed 27 Oct.", "fact": "2066-10-26T07:56:58Z → 2066-10-27T06:13:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 26th, 10:51–11:39 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 12 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 746 s" }, { "step": "ruling", "text": "Durgā Navamī, Mashhad, 2066: Tuesday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-26", "confidence": "determinate" } ], "quote": "In Mashhad, Durgā Navamī 2066 falls on Tuesday 26 October. Navamī runs from 11:27 on Tue 26 Oct to 09:44 on Wed 27 Oct and covers 12 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1019, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2066-10-26T11:26:58+03:30", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "end": { "local": "2066-10-27T09:43:54+03:30", "utc": "2066-10-27T06:13:54Z", "ms": 3055385633643.93 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-26T11:26:58+03:30", "utc": "2066-10-26T07:56:58Z", "ms": 3055305417837.3057 }, "end": { "local": "2066-10-27T09:43:54+03:30", "utc": "2066-10-27T06:13:54Z", "ms": 3055385633643.93 } }, "kaala": "purvahna", "days": [ { "local_date": "2066-10-26", "window": { "start": { "local": "2066-10-26T05:49:09+03:30", "utc": "2066-10-26T02:19:09Z", "ms": 3055285148854.187 }, "end": { "local": "2066-10-26T09:26:39+03:30", "utc": "2066-10-26T05:56:39Z", "ms": 3055298199107.74 } }, "covered_min": 0, "window_min": 218, "qualifies": false }, { "local_date": "2066-10-27", "window": { "start": { "local": "2066-10-27T05:50:06+03:30", "utc": "2066-10-27T02:20:06Z", "ms": 3055371606116.5103 }, "end": { "local": "2066-10-27T09:26:54+03:30", "utc": "2066-10-27T05:56:54Z", "ms": 3055384614458.932 } }, "covered_min": 217, "window_min": 217, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:27 on Tue 26 Oct to 09:44 on Wed 27 Oct.", "fact": "2066-10-26T07:56:58Z → 2066-10-27T06:13:54Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:49–09:27 on the 26th, 05:50–09:27 on the 27th.", "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 218 minutes on the 26th and 217 of 217 on the 27th.", "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 1019 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Mashhad, 2066: Wednesday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-27", "confidence": "determinate" } ], "quote": "In Mashhad, Akṣaya Navamī (Amla Navami) 2066 falls on Wednesday 27 October. Navamī runs from 11:27 on Tue 26 Oct to 09:44 on Wed 27 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-10-29", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4166, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-10-28T08:14:49+03:30", "utc": "2066-10-28T04:44:49Z", "ms": 3055466688935.6104 }, "end": { "local": "2066-10-29T07:01:27+03:30", "utc": "2066-10-29T03:31:27Z", "ms": 3055548687219.5127 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-28T08:14:49+03:30", "utc": "2066-10-28T04:44:49Z", "ms": 3055466688935.6104 }, "end": { "local": "2066-10-29T07:01:27+03:30", "utc": "2066-10-29T03:31:27Z", "ms": 3055548687219.5127 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-10-28", "window": { "start": { "local": "2066-10-28T05:51:04+03:30", "utc": "2066-10-28T02:21:04Z", "ms": 3055458063684.391 }, "end": { "local": "2066-10-28T05:51:04+03:30", "utc": "2066-10-28T02:21:04Z", "ms": 3055458063684.391 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-10-29", "window": { "start": { "local": "2066-10-29T05:52:02+03:30", "utc": "2066-10-29T02:22:02Z", "ms": 3055544521552.3706 }, "end": { "local": "2066-10-29T05:52:02+03:30", "utc": "2066-10-29T02:22:02Z", "ms": 3055544521552.3706 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:15 on Thu 28 Oct to 07:01 on Fri 29 Oct.", "fact": "2066-10-28T04:44:49Z → 2066-10-29T03:31:27Z" }, { "step": "kaala", "text": "Sunrise is at 05:51 on the 28th and 05:52 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4166 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Mashhad, 2066: Friday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-29", "confidence": "determinate" } ], "quote": "In Mashhad, Prabodhinī Ekādaśī 2066 falls on Friday 29 October. Ekādaśī runs from 08:15 on Thu 28 Oct to 07:01 on Fri 29 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-10-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-10-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37858, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-10-30T06:06:15+03:30", "utc": "2066-10-30T02:36:15Z", "ms": 3055631775051.6196 }, "end": { "local": "2066-10-31T05:32:25+03:30", "utc": "2066-10-31T02:02:25Z", "ms": 3055716144507.5903 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-10-30T06:06:15+03:30", "utc": "2066-10-30T02:36:15Z", "ms": 3055631775051.6196 }, "end": { "local": "2066-10-31T05:32:25+03:30", "utc": "2066-10-31T02:02:25Z", "ms": 3055716144507.5903 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-10-30", "window": { "start": { "local": "2066-10-30T16:37:13+03:30", "utc": "2066-10-30T13:07:13Z", "ms": 3055669632818.0337 }, "end": { "local": "2066-10-30T18:23:27+03:30", "utc": "2066-10-30T14:53:27Z", "ms": 3055676006864.452 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2066-10-31", "window": { "start": { "local": "2066-10-31T16:36:09+03:30", "utc": "2066-10-31T13:06:09Z", "ms": 3055755969185.148 }, "end": { "local": "2066-10-31T18:22:40+03:30", "utc": "2066-10-31T14:52:40Z", "ms": 3055762359547.0293 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:06 on Sat 30 Oct to 05:32 on Sun 31 Oct.", "fact": "2066-10-30T02:36:15Z → 2066-10-31T02:02:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:37–18:23 on the 30th, 16:36–18:23 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 30th and 0 of 107 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 37858 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Saturday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-10-30", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Saturday 30 October. Trayodaśī runs from 06:06 on Sat 30 Oct to 05:32 on Sun 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-10-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18438, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-11-01T05:23:39+03:30", "utc": "2066-11-01T01:53:39Z", "ms": 3055802019059.4106 }, "end": { "local": "2066-11-02T05:43:43+03:30", "utc": "2066-11-02T02:13:43Z", "ms": 3055889622504.35 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-11-01T05:23:39+03:30", "utc": "2066-11-01T01:53:39Z", "ms": 3055802019059.4106 }, "end": { "local": "2066-11-02T05:43:43+03:30", "utc": "2066-11-02T02:13:43Z", "ms": 3055889622504.35 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-01", "window": { "start": { "local": "2066-11-01T10:51:02+03:30", "utc": "2066-11-01T07:21:02Z", "ms": 3055821661873.3535 }, "end": { "local": "2066-11-01T11:39:02+03:30", "utc": "2066-11-01T08:09:02Z", "ms": 3055824541873.3535 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-02", "window": { "start": { "local": "2066-11-02T10:51:01+03:30", "utc": "2066-11-02T07:21:01Z", "ms": 3055908060872.875 }, "end": { "local": "2066-11-02T11:39:01+03:30", "utc": "2066-11-02T08:09:01Z", "ms": 3055910940872.875 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:24 on Mon 1 Nov to 05:44 on Tue 2 Nov.", "fact": "2066-11-01T01:53:39Z → 2066-11-02T02:13:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 1st, 10:51–11:39 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18438 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Mashhad, 2066: Monday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-01", "confidence": "determinate" } ], "quote": "In Mashhad, Kārtikī Pūrṇimā 2066 falls on Monday 1 November. Pūrṇimā runs from 05:24 on Mon 1 Nov to 05:44 on Tue 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20646, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-11-01T05:23:39+03:30", "utc": "2066-11-01T01:53:39Z", "ms": 3055802019059.4106 }, "end": { "local": "2066-11-02T05:43:43+03:30", "utc": "2066-11-02T02:13:43Z", "ms": 3055889622504.35 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2066-11-01T05:23:39+03:30", "utc": "2066-11-01T01:53:39Z", "ms": 3055802019059.4106 }, "end": { "local": "2066-11-02T05:43:43+03:30", "utc": "2066-11-02T02:13:43Z", "ms": 3055889622504.35 } }, "kaala": "nishita", "days": [ { "local_date": "2066-10-31", "window": { "start": { "local": "2066-10-31T22:51:33+03:30", "utc": "2066-10-31T19:21:33Z", "ms": 3055778493042.203 }, "end": { "local": "2066-10-31T23:39:33+03:30", "utc": "2066-10-31T20:09:33Z", "ms": 3055781373042.203 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-11-01", "window": { "start": { "local": "2066-11-01T22:51:31+03:30", "utc": "2066-11-01T19:21:31Z", "ms": 3055864891376.8086 }, "end": { "local": "2066-11-01T23:39:31+03:30", "utc": "2066-11-01T20:09:31Z", "ms": 3055867771376.8086 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:24 on Mon 1 Nov to 05:44 on Tue 2 Nov.", "fact": "2066-11-01T01:53:39Z → 2066-11-02T02:13:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:52–23:40 on the 31st, 22:52–23:40 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20646 s" }, { "step": "ruling", "text": "Rāsayātrā, Mashhad, 2066: Monday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-01", "confidence": "determinate" } ], "quote": "In Mashhad, Rāsayātrā 2066 falls on Monday 1 November. Pūrṇimā runs from 05:24 on Mon 1 Nov to 05:44 on Tue 2 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-11-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26649, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-11-05T09:56:27+03:30", "utc": "2066-11-05T06:26:27Z", "ms": 3056163986690.9688 }, "end": { "local": "2066-11-06T12:18:33+03:30", "utc": "2066-11-06T08:48:33Z", "ms": 3056258912637.1753 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-05T09:56:27+03:30", "utc": "2066-11-05T06:26:27Z", "ms": 3056163986690.9688 }, "end": { "local": "2066-11-06T12:18:33+03:30", "utc": "2066-11-06T08:48:33Z", "ms": 3056258912637.1753 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-11-05", "window": { "start": { "local": "2066-11-05T18:49:07+03:30", "utc": "2066-11-05T15:19:07Z", "ms": 3056195947396.4663 }, "end": { "local": "2066-11-05T18:49:07+03:30", "utc": "2066-11-05T15:19:07Z", "ms": 3056195947396.4663 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-11-06", "window": { "start": { "local": "2066-11-06T19:42:42+03:30", "utc": "2066-11-06T16:12:42Z", "ms": 3056285562069.4834 }, "end": { "local": "2066-11-06T19:42:42+03:30", "utc": "2066-11-06T16:12:42Z", "ms": 3056285562069.4834 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:56 on Fri 5 Nov to 12:19 on Sat 6 Nov.", "fact": "2066-11-05T06:26:27Z → 2066-11-06T08:48:33Z" }, { "step": "kaala", "text": "Moonrise is at 18:49 on the 5th and 19:43 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26649 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Friday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-05", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Friday 5 November. Caturthī runs from 09:56 on Fri 5 Nov to 12:19 on Sat 6 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ekadashi?on=2066-11-13", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20824, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-11-13T00:19:55+03:30", "utc": "2066-11-12T20:49:55Z", "ms": 3056820595213.91 }, "end": { "local": "2066-11-14T00:10:20+03:30", "utc": "2066-11-13T20:40:20Z", "ms": 3056906420243.8066 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-13T00:19:55+03:30", "utc": "2066-11-12T20:49:55Z", "ms": 3056820595213.91 }, "end": { "local": "2066-11-14T00:10:20+03:30", "utc": "2066-11-13T20:40:20Z", "ms": 3056906420243.8066 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-11-13", "window": { "start": { "local": "2066-11-13T06:06:59+03:30", "utc": "2066-11-13T02:36:59Z", "ms": 3056841418924.365 }, "end": { "local": "2066-11-13T06:06:59+03:30", "utc": "2066-11-13T02:36:59Z", "ms": 3056841418924.365 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-11-14", "window": { "start": { "local": "2066-11-14T06:08:00+03:30", "utc": "2066-11-14T02:38:00Z", "ms": 3056927879910.8457 }, "end": { "local": "2066-11-14T06:08:00+03:30", "utc": "2066-11-14T02:38:00Z", "ms": 3056927879910.8457 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:20 on Sat 13 Nov to 00:10 on Sun 14 Nov.", "fact": "2066-11-12T20:49:55Z → 2066-11-13T20:40:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 13th and 06:08 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not 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 20824 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Mashhad, 2066: Saturday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-13", "confidence": "determinate" } ], "quote": "In Mashhad, Utpannā Ekādaśī 2066 falls on Saturday 13 November. Ekādaśī runs from 00:20 on Sat 13 Nov to 00:10 on Sun 14 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-11-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11988, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-11-14T23:13:04+03:30", "utc": "2066-11-14T19:43:04Z", "ms": 3056989384179.1807 }, "end": { "local": "2066-11-15T21:33:12+03:30", "utc": "2066-11-15T18:03:12Z", "ms": 3057069791717.3965 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-14T23:13:04+03:30", "utc": "2066-11-14T19:43:04Z", "ms": 3056989384179.1807 }, "end": { "local": "2066-11-15T21:33:12+03:30", "utc": "2066-11-15T18:03:12Z", "ms": 3057069791717.3965 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-11-14", "window": { "start": { "local": "2066-11-14T16:23:50+03:30", "utc": "2066-11-14T12:53:50Z", "ms": 3056964829744.5 }, "end": { "local": "2066-11-14T18:13:51+03:30", "utc": "2066-11-14T14:43:51Z", "ms": 3056971431231 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2066-11-15", "window": { "start": { "local": "2066-11-15T16:23:09+03:30", "utc": "2066-11-15T12:53:09Z", "ms": 3057051189022.1104 }, "end": { "local": "2066-11-15T18:13:24+03:30", "utc": "2066-11-15T14:43:24Z", "ms": 3057057804063.7627 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:13 on Sun 14 Nov to 21:33 on Mon 15 Nov.", "fact": "2066-11-14T19:43:04Z → 2066-11-15T18:03:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:24–18:14 on the 14th, 16:23–18:13 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 14th and 110 of 110 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11988 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Monday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-15", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Monday 15 November. Trayodaśī runs from 23:13 on Sun 14 Nov to 21:33 on Mon 15 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shivaratri?on=2066-11-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4764, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-11-15T21:33:12+03:30", "utc": "2066-11-15T18:03:12Z", "ms": 3057069791717.3965 }, "end": { "local": "2066-11-16T19:18:10+03:30", "utc": "2066-11-16T15:48:10Z", "ms": 3057148090315.2246 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-15T21:33:12+03:30", "utc": "2066-11-15T18:03:12Z", "ms": 3057069791717.3965 }, "end": { "local": "2066-11-16T19:18:10+03:30", "utc": "2066-11-16T15:48:10Z", "ms": 3057148090315.2246 } }, "kaala": "nishita", "days": [ { "local_date": "2066-11-15", "window": { "start": { "local": "2066-11-15T22:52:35+03:30", "utc": "2066-11-15T19:22:35Z", "ms": 3057074555428.307 }, "end": { "local": "2066-11-15T23:40:35+03:30", "utc": "2066-11-15T20:10:35Z", "ms": 3057077435428.307 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-16", "window": { "start": { "local": "2066-11-16T22:52:46+03:30", "utc": "2066-11-16T19:22:46Z", "ms": 3057160966379.2085 }, "end": { "local": "2066-11-16T23:40:46+03:30", "utc": "2066-11-16T20:10:46Z", "ms": 3057163846379.2085 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:33 on Mon 15 Nov to 19:18 on Tue 16 Nov.", "fact": "2066-11-15T18:03:12Z → 2066-11-16T15:48:10Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:53–23:41 on the 15th, 22:53–23:41 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4764 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Monday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-15", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Monday 15 November. Caturdaśī runs from 21:33 on Mon 15 Nov to 19:18 on Tue 16 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-11-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12402, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-11-20T07:26:26+03:30", "utc": "2066-11-20T03:56:26Z", "ms": 3057450986286.5513 }, "end": { "local": "2066-11-21T04:29:22+03:30", "utc": "2066-11-21T00:59:22Z", "ms": 3057526761613.7495 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-20T07:26:26+03:30", "utc": "2066-11-20T03:56:26Z", "ms": 3057450986286.5513 }, "end": { "local": "2066-11-21T04:29:22+03:30", "utc": "2066-11-21T00:59:22Z", "ms": 3057526761613.7495 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-20", "window": { "start": { "local": "2066-11-20T10:53:08+03:30", "utc": "2066-11-20T07:23:08Z", "ms": 3057463388313.6274 }, "end": { "local": "2066-11-20T11:41:08+03:30", "utc": "2066-11-20T08:11:08Z", "ms": 3057466268313.6274 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-21", "window": { "start": { "local": "2066-11-21T10:53:23+03:30", "utc": "2066-11-21T07:23:23Z", "ms": 3057549803442.5293 }, "end": { "local": "2066-11-21T11:41:23+03:30", "utc": "2066-11-21T08:11:23Z", "ms": 3057552683442.5293 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:26 on Sat 20 Nov to 04:29 on Sun 21 Nov.", "fact": "2066-11-20T03:56:26Z → 2066-11-21T00:59:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 20th, 10:53–11:41 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12402 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Saturday 20 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": "2066-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-20", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Saturday 20 November. Caturthī runs from 07:26 on Sat 20 Nov to 04:29 on Sun 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23042, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2066-11-21T04:29:22+03:30", "utc": "2066-11-21T00:59:22Z", "ms": 3057526761613.7495 }, "end": { "local": "2066-11-22T01:47:25+03:30", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-21T04:29:22+03:30", "utc": "2066-11-21T00:59:22Z", "ms": 3057526761613.7495 }, "end": { "local": "2066-11-22T01:47:25+03:30", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-21", "window": { "start": { "local": "2066-11-21T10:53:23+03:30", "utc": "2066-11-21T07:23:23Z", "ms": 3057549803442.5293 }, "end": { "local": "2066-11-21T11:41:23+03:30", "utc": "2066-11-21T08:11:23Z", "ms": 3057552683442.5293 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-22", "window": { "start": { "local": "2066-11-22T10:53:39+03:30", "utc": "2066-11-22T07:23:39Z", "ms": 3057636219358.785 }, "end": { "local": "2066-11-22T11:41:39+03:30", "utc": "2066-11-22T08:11:39Z", "ms": 3057639099358.785 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:29 on Sun 21 Nov to 01:47 on Mon 22 Nov.", "fact": "2066-11-21T00:59:22Z → 2066-11-21T22:17:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 21st, 10:54–11:42 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23042 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Mashhad, 2066: Sunday 21 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-21", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī (Mārgaśīrṣa) 2066 falls on Sunday 21 November. Pañcamī runs from 04:29 on Sun 21 Nov to 01:47 on Mon 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32774, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-11-22T01:47:25+03:30", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "end": { "local": "2066-11-22T23:25:57+03:30", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-22T01:47:25+03:30", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "end": { "local": "2066-11-22T23:25:57+03:30", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-22", "window": { "start": { "local": "2066-11-22T10:53:39+03:30", "utc": "2066-11-22T07:23:39Z", "ms": 3057636219358.785 }, "end": { "local": "2066-11-22T11:41:39+03:30", "utc": "2066-11-22T08:11:39Z", "ms": 3057639099358.785 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-23", "window": { "start": { "local": "2066-11-23T10:53:56+03:30", "utc": "2066-11-23T07:23:56Z", "ms": 3057722636048.6357 }, "end": { "local": "2066-11-23T11:41:56+03:30", "utc": "2066-11-23T08:11:56Z", "ms": 3057725516048.6357 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:47 on Mon 22 Nov to 23:26 on Mon 22 Nov.", "fact": "2066-11-21T22:17:25Z → 2066-11-22T19:55:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:54–11:42 on the 22nd, 10:54–11:42 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 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32774 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Mashhad, 2066: Monday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-22", "confidence": "determinate" } ], "quote": "In Mashhad, Campā Ṣaṣṭhī 2066 falls on Monday 22 November. Ṣaṣṭhī runs from 01:47 on Mon 22 Nov to 23:26 on Mon 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32774, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2066-11-22T01:47:25+03:30", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "end": { "local": "2066-11-22T23:25:57+03:30", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-22T01:47:25+03:30", "utc": "2066-11-21T22:17:25Z", "ms": 3057603444998.818 }, "end": { "local": "2066-11-22T23:25:57+03:30", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-22", "window": { "start": { "local": "2066-11-22T10:53:39+03:30", "utc": "2066-11-22T07:23:39Z", "ms": 3057636219358.785 }, "end": { "local": "2066-11-22T11:41:39+03:30", "utc": "2066-11-22T08:11:39Z", "ms": 3057639099358.785 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2066-11-23", "window": { "start": { "local": "2066-11-23T10:53:56+03:30", "utc": "2066-11-23T07:23:56Z", "ms": 3057722636048.6357 }, "end": { "local": "2066-11-23T11:41:56+03:30", "utc": "2066-11-23T08:11:56Z", "ms": 3057725516048.6357 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:47 on Mon 22 Nov to 23:26 on Mon 22 Nov.", "fact": "2066-11-21T22:17:25Z → 2066-11-22T19:55:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:54–11:42 on the 22nd, 10:54–11:42 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 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32774 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Mashhad, 2066: Monday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-22", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī 2066 falls on Monday 22 November. Ṣaṣṭhī runs from 01:47 on Mon 22 Nov to 23:26 on Mon 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35221, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2066-11-22T23:25:57+03:30", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 }, "end": { "local": "2066-11-23T21:28:57+03:30", "utc": "2066-11-23T17:58:57Z", "ms": 3057760737341.059 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-22T23:25:57+03:30", "utc": "2066-11-22T19:55:57Z", "ms": 3057681357291.643 }, "end": { "local": "2066-11-23T21:28:57+03:30", "utc": "2066-11-23T17:58:57Z", "ms": 3057760737341.059 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-22", "window": { "start": { "local": "2066-11-22T10:53:39+03:30", "utc": "2066-11-22T07:23:39Z", "ms": 3057636219358.785 }, "end": { "local": "2066-11-22T11:41:39+03:30", "utc": "2066-11-22T08:11:39Z", "ms": 3057639099358.785 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-11-23", "window": { "start": { "local": "2066-11-23T10:53:56+03:30", "utc": "2066-11-23T07:23:56Z", "ms": 3057722636048.6357 }, "end": { "local": "2066-11-23T11:41:56+03:30", "utc": "2066-11-23T08:11:56Z", "ms": 3057725516048.6357 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:26 on Mon 22 Nov to 21:29 on Tue 23 Nov.", "fact": "2066-11-22T19:55:57Z → 2066-11-23T17:58:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:54–11:42 on the 22nd, 10:54–11:42 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35221 s" }, { "step": "ruling", "text": "Mitra Saptamī, Mashhad, 2066: Tuesday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-23", "confidence": "determinate" } ], "quote": "In Mashhad, Mitra Saptamī 2066 falls on Tuesday 23 November. Saptamī runs from 23:26 on Mon 22 Nov to 21:29 on Tue 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/ekadashi?on=2066-11-27", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42929, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-11-26T18:25:29+03:30", "utc": "2066-11-26T14:55:29Z", "ms": 3058008928760.501 }, "end": { "local": "2066-11-27T18:22:14+03:30", "utc": "2066-11-27T14:52:14Z", "ms": 3058095133554.338 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-26T18:25:29+03:30", "utc": "2066-11-26T14:55:29Z", "ms": 3058008928760.501 }, "end": { "local": "2066-11-27T18:22:14+03:30", "utc": "2066-11-27T14:52:14Z", "ms": 3058095133554.338 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-11-27", "window": { "start": { "local": "2066-11-27T06:20:57+03:30", "utc": "2066-11-27T02:50:57Z", "ms": 3058051857383.812 }, "end": { "local": "2066-11-27T06:20:57+03:30", "utc": "2066-11-27T02:50:57Z", "ms": 3058051857383.812 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-11-28", "window": { "start": { "local": "2066-11-28T06:21:54+03:30", "utc": "2066-11-28T02:51:54Z", "ms": 3058138314484.403 }, "end": { "local": "2066-11-28T06:21:54+03:30", "utc": "2066-11-28T02:51:54Z", "ms": 3058138314484.403 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:25 on Fri 26 Nov to 18:22 on Sat 27 Nov.", "fact": "2066-11-26T14:55:29Z → 2066-11-27T14:52:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 27th and 06:22 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 42929 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Mashhad, 2066: Saturday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-27", "confidence": "determinate" } ], "quote": "In Mashhad, Mokṣadā Ekādaśī 2066 falls on Saturday 27 November. Ekādaśī runs from 18:25 on Fri 26 Nov to 18:22 on Sat 27 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23943, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2066-11-27T18:22:14+03:30", "utc": "2066-11-27T14:52:14Z", "ms": 3058095133554.338 }, "end": { "local": "2066-11-28T18:47:32+03:30", "utc": "2066-11-28T15:17:32Z", "ms": 3058183052090.7695 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-27T18:22:14+03:30", "utc": "2066-11-27T14:52:14Z", "ms": 3058095133554.338 }, "end": { "local": "2066-11-28T18:47:32+03:30", "utc": "2066-11-28T15:17:32Z", "ms": 3058183052090.7695 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-11-27", "window": { "start": { "local": "2066-11-27T10:55:10+03:30", "utc": "2066-11-27T07:25:10Z", "ms": 3058068310276.008 }, "end": { "local": "2066-11-27T11:43:10+03:30", "utc": "2066-11-27T08:13:10Z", "ms": 3058071190276.008 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-11-28", "window": { "start": { "local": "2066-11-28T10:55:31+03:30", "utc": "2066-11-28T07:25:31Z", "ms": 3058154730632.1514 }, "end": { "local": "2066-11-28T11:43:31+03:30", "utc": "2066-11-28T08:13:31Z", "ms": 3058157610632.1514 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:22 on Sat 27 Nov to 18:48 on Sun 28 Nov.", "fact": "2066-11-27T14:52:14Z → 2066-11-28T15:17:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:55–11:43 on the 27th, 10:56–11:44 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23943 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Mashhad, 2066: Sunday 28 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-28", "confidence": "determinate" } ], "quote": "In Mashhad, Akhaṇḍa Dvādaśī 2066 falls on Sunday 28 November. Dvādaśī runs from 18:22 on Sat 27 Nov to 18:48 on Sun 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/pradosha-vrata?on=2066-11-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2259, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-11-28T18:47:32+03:30", "utc": "2066-11-28T15:17:32Z", "ms": 3058183052090.7695 }, "end": { "local": "2066-11-29T19:40:47+03:30", "utc": "2066-11-29T16:10:47Z", "ms": 3058272646748.9077 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-28T18:47:32+03:30", "utc": "2066-11-28T15:17:32Z", "ms": 3058183052090.7695 }, "end": { "local": "2066-11-29T19:40:47+03:30", "utc": "2066-11-29T16:10:47Z", "ms": 3058272646748.9077 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-11-28", "window": { "start": { "local": "2066-11-28T16:17:07+03:30", "utc": "2066-11-28T12:47:07Z", "ms": 3058174026779.8994 }, "end": { "local": "2066-11-28T18:09:53+03:30", "utc": "2066-11-28T14:39:53Z", "ms": 3058180792673.394 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "2066-11-29", "window": { "start": { "local": "2066-11-29T16:16:52+03:30", "utc": "2066-11-29T12:46:52Z", "ms": 3058260412377.8936 }, "end": { "local": "2066-11-29T18:09:48+03:30", "utc": "2066-11-29T14:39:48Z", "ms": 3058267187638.2324 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:48 on Sun 28 Nov to 19:41 on Mon 29 Nov.", "fact": "2066-11-28T15:17:32Z → 2066-11-29T16:10:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:17–18:10 on the 28th, 16:17–18:10 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 113 minutes on the 28th and 113 of 113 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2259 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Monday 29 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-11-29", "confidence": "boundary" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Monday 29 November. Trayodaśī runs from 18:48 on Sun 28 Nov to 19:41 on Mon 29 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-11-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10280, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2066-11-30T21:01:05+03:30", "utc": "2066-11-30T17:31:05Z", "ms": 3058363864560.555 }, "end": { "local": "2066-12-01T22:46:59+03:30", "utc": "2066-12-01T19:16:59Z", "ms": 3058456619275.9697 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-11-30T21:01:05+03:30", "utc": "2066-11-30T17:31:05Z", "ms": 3058363864560.555 }, "end": { "local": "2066-12-01T22:46:59+03:30", "utc": "2066-12-01T19:16:59Z", "ms": 3058456619275.9697 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-11-30", "window": { "start": { "local": "2066-11-30T16:16:40+03:30", "utc": "2066-11-30T12:46:40Z", "ms": 3058346799974.724 }, "end": { "local": "2066-11-30T18:09:44+03:30", "utc": "2066-11-30T14:39:44Z", "ms": 3058353584243.201 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "2066-12-01", "window": { "start": { "local": "2066-12-01T16:16:30+03:30", "utc": "2066-12-01T12:46:30Z", "ms": 3058433189581.6377 }, "end": { "local": "2066-12-01T18:09:42+03:30", "utc": "2066-12-01T14:39:42Z", "ms": 3058439982492.0825 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:01 on Tue 30 Nov to 22:47 on Wed 1 Dec.", "fact": "2066-11-30T17:31:05Z → 2066-12-01T19:16:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:17–18:10 on the 30th, 16:16–18:10 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 113 minutes on the 30th and 113 of 113 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10280 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Mashhad, 2066: Wednesday 1 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-01", "confidence": "determinate" } ], "quote": "In Mashhad, Dattātreyotpatti (Datta Jayanti) 2066 falls on Wednesday 1 December. Pūrṇimā runs from 21:01 on Tue 30 Nov to 22:47 on Wed 1 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/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/2066/sankashta-chaturthi?on=2066-12-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41677, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-12-05T06:04:31+03:30", "utc": "2066-12-05T02:34:31Z", "ms": 3058742071031.9937 }, "end": { "local": "2066-12-06T08:48:47+03:30", "utc": "2066-12-06T05:18:47Z", "ms": 3058838326827.43 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-05T06:04:31+03:30", "utc": "2066-12-05T02:34:31Z", "ms": 3058742071031.9937 }, "end": { "local": "2066-12-06T08:48:47+03:30", "utc": "2066-12-06T05:18:47Z", "ms": 3058838326827.43 } }, "kaala": "moonrise", "days": [ { "local_date": "2066-12-05", "window": { "start": { "local": "2066-12-05T19:26:31+03:30", "utc": "2066-12-05T15:56:31Z", "ms": 3058790191104.0825 }, "end": { "local": "2066-12-05T19:26:31+03:30", "utc": "2066-12-05T15:56:31Z", "ms": 3058790191104.0825 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2066-12-06", "window": { "start": { "local": "2066-12-06T20:23:24+03:30", "utc": "2066-12-06T16:53:24Z", "ms": 3058880003553.5107 }, "end": { "local": "2066-12-06T20:23:24+03:30", "utc": "2066-12-06T16:53:24Z", "ms": 3058880003553.5107 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:05 on Sun 5 Dec to 08:49 on Mon 6 Dec.", "fact": "2066-12-05T02:34:31Z → 2066-12-06T05:18:47Z" }, { "step": "kaala", "text": "Moonrise is at 19:27 on the 5th and 20:23 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 41677 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2066: Sunday 5 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-05", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2066 falls on Sunday 5 December. Caturthī runs from 06:05 on Sun 5 Dec to 08:49 on Mon 6 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/sankashta-chaturthi?on=2066-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ekadashi?on=2066-12-13", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30665, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-12-12T16:24:40+03:30", "utc": "2066-12-12T12:54:40Z", "ms": 3059384080134.8096 }, "end": { "local": "2066-12-13T15:05:39+03:30", "utc": "2066-12-13T11:35:39Z", "ms": 3059465738555.8403 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-12T16:24:40+03:30", "utc": "2066-12-12T12:54:40Z", "ms": 3059384080134.8096 }, "end": { "local": "2066-12-13T15:05:39+03:30", "utc": "2066-12-13T11:35:39Z", "ms": 3059465738555.8403 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-12-12", "window": { "start": { "local": "2066-12-12T06:33:50+03:30", "utc": "2066-12-12T03:03:50Z", "ms": 3059348629874.4907 }, "end": { "local": "2066-12-12T06:33:50+03:30", "utc": "2066-12-12T03:03:50Z", "ms": 3059348629874.4907 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-12-13", "window": { "start": { "local": "2066-12-13T06:34:33+03:30", "utc": "2066-12-13T03:04:33Z", "ms": 3059435073095.3867 }, "end": { "local": "2066-12-13T06:34:33+03:30", "utc": "2066-12-13T03:04:33Z", "ms": 3059435073095.3867 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:25 on Sun 12 Dec to 15:06 on Mon 13 Dec.", "fact": "2066-12-12T12:54:40Z → 2066-12-13T11:35:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 12th and 06:35 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30665 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Mashhad, 2066: Monday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-13", "confidence": "determinate" } ], "quote": "In Mashhad, Saphalā Ekādaśī 2066 falls on Monday 13 December. Ekādaśī runs from 16:25 on Sun 12 Dec to 15:06 on Mon 13 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-12-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11670, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-12-14T13:02:50+03:30", "utc": "2066-12-14T09:32:50Z", "ms": 3059544769691.293 }, "end": { "local": "2066-12-15T10:23:10+03:30", "utc": "2066-12-15T06:53:10Z", "ms": 3059621589866.6045 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-14T13:02:50+03:30", "utc": "2066-12-14T09:32:50Z", "ms": 3059544769691.293 }, "end": { "local": "2066-12-15T10:23:10+03:30", "utc": "2066-12-15T06:53:10Z", "ms": 3059621589866.6045 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-12-14", "window": { "start": { "local": "2066-12-14T16:17:19+03:30", "utc": "2066-12-14T12:47:19Z", "ms": 3059556439279.206 }, "end": { "local": "2066-12-14T18:11:48+03:30", "utc": "2066-12-14T14:41:48Z", "ms": 3059563308118.1177 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "2066-12-15", "window": { "start": { "local": "2066-12-15T16:17:37+03:30", "utc": "2066-12-15T12:47:37Z", "ms": 3059642857144.834 }, "end": { "local": "2066-12-15T18:12:09+03:30", "utc": "2066-12-15T14:42:09Z", "ms": 3059649728822.765 } }, "covered_min": 0, "window_min": 115, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:03 on Tue 14 Dec to 10:23 on Wed 15 Dec.", "fact": "2066-12-14T09:32:50Z → 2066-12-15T06:53:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:17–18:12 on the 14th, 16:18–18:12 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 114 of 114 minutes on the 14th and 0 of 115 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11670 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2066: Tuesday 14 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-14", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2066 falls on Tuesday 14 December. Trayodaśī runs from 13:03 on Tue 14 Dec to 10:23 on Wed 15 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-12-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/shivaratri?on=2066-12-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26645, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2066-12-15T10:23:10+03:30", "utc": "2066-12-15T06:53:10Z", "ms": 3059621589866.6045 }, "end": { "local": "2066-12-16T07:15:11+03:30", "utc": "2066-12-16T03:45:11Z", "ms": 3059696711261.289 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-15T10:23:10+03:30", "utc": "2066-12-15T06:53:10Z", "ms": 3059621589866.6045 }, "end": { "local": "2066-12-16T07:15:11+03:30", "utc": "2066-12-16T03:45:11Z", "ms": 3059696711261.289 } }, "kaala": "nishita", "days": [ { "local_date": "2066-12-14", "window": { "start": { "local": "2066-12-14T23:02:37+03:30", "utc": "2066-12-14T19:32:37Z", "ms": 3059580757425.124 }, "end": { "local": "2066-12-14T23:50:37+03:30", "utc": "2066-12-14T20:20:37Z", "ms": 3059583637425.124 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-12-15", "window": { "start": { "local": "2066-12-15T23:03:06+03:30", "utc": "2066-12-15T19:33:06Z", "ms": 3059667185937.0767 }, "end": { "local": "2066-12-15T23:51:06+03:30", "utc": "2066-12-15T20:21:06Z", "ms": 3059670065937.0767 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:23 on Wed 15 Dec to 07:15 on Thu 16 Dec.", "fact": "2066-12-15T06:53:10Z → 2066-12-16T03:45:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:03–23:51 on the 14th, 23:03–23:51 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26645 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2066: Wednesday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-15", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2066 falls on Wednesday 15 December. Caturdaśī runs from 10:23 on Wed 15 Dec to 07:15 on Thu 16 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2066/shivaratri?on=2066-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-12-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8112, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2066-12-19T17:13:18+03:30", "utc": "2066-12-19T13:43:18Z", "ms": 3059991798330.6846 }, "end": { "local": "2066-12-20T14:08:27+03:30", "utc": "2066-12-20T10:38:27Z", "ms": 3060067107493.0234 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-19T17:13:18+03:30", "utc": "2066-12-19T13:43:18Z", "ms": 3059991798330.6846 }, "end": { "local": "2066-12-20T14:08:27+03:30", "utc": "2066-12-20T10:38:27Z", "ms": 3060067107493.0234 } }, "kaala": "madhyahna", "days": [ { "local_date": "2066-12-19", "window": { "start": { "local": "2066-12-19T11:04:45+03:30", "utc": "2066-12-19T07:34:45Z", "ms": 3059969685421.705 }, "end": { "local": "2066-12-19T11:52:45+03:30", "utc": "2066-12-19T08:22:45Z", "ms": 3059972565421.705 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2066-12-20", "window": { "start": { "local": "2066-12-20T11:05:16+03:30", "utc": "2066-12-20T07:35:16Z", "ms": 3060056115540.752 }, "end": { "local": "2066-12-20T11:53:16+03:30", "utc": "2066-12-20T08:23:16Z", "ms": 3060058995540.752 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:13 on Sun 19 Dec to 14:08 on Mon 20 Dec.", "fact": "2066-12-19T13:43:18Z → 2066-12-20T10:38:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 19th, 11:05–11:53 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8112 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2066: Monday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-20", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2066 falls on Monday 20 December. Caturthī runs from 17:13 on Sun 19 Dec to 14:08 on Mon 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2066/vinayaka-chaturthi?on=2066-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/ekadashi?on=2066-12-27", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4720, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2066-12-26T08:00:19+03:30", "utc": "2066-12-26T04:30:19Z", "ms": 3060563419110.7705 }, "end": { "local": "2066-12-27T09:15:10+03:30", "utc": "2066-12-27T05:45:10Z", "ms": 3060654309611.696 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-26T08:00:19+03:30", "utc": "2066-12-26T04:30:19Z", "ms": 3060563419110.7705 }, "end": { "local": "2066-12-27T09:15:10+03:30", "utc": "2066-12-27T05:45:10Z", "ms": 3060654309611.696 } }, "kaala": "sunrise", "days": [ { "local_date": "2066-12-26", "window": { "start": { "local": "2066-12-26T06:41:39+03:30", "utc": "2066-12-26T03:11:39Z", "ms": 3060558699189.9824 }, "end": { "local": "2066-12-26T06:41:39+03:30", "utc": "2066-12-26T03:11:39Z", "ms": 3060558699189.9824 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2066-12-27", "window": { "start": { "local": "2066-12-27T06:42:00+03:30", "utc": "2066-12-27T03:12:00Z", "ms": 3060645120097.6274 }, "end": { "local": "2066-12-27T06:42:00+03:30", "utc": "2066-12-27T03:12:00Z", "ms": 3060645120097.6274 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:00 on Sun 26 Dec to 09:15 on Mon 27 Dec.", "fact": "2066-12-26T04:30:19Z → 2066-12-27T05:45:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 26th and 06:42 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4720 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 2066: Monday 27 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-27", "confidence": "determinate" } ], "quote": "In Mashhad, Putradā Ekādaśī 2066 falls on Monday 27 December. Ekādaśī runs from 08:00 on Sun 26 Dec to 09:15 on Mon 27 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2066/ekadashi?on=2066-12-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2066/pradosha-vrata?on=2066-12-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2066, "local_date": "2066-12-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11776, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2066-12-28T11:00:02+03:30", "utc": "2066-12-28T07:30:02Z", "ms": 3060747001518.9165 }, "end": { "local": "2066-12-29T13:08:38+03:30", "utc": "2066-12-29T09:38:38Z", "ms": 3060841118254.6343 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2066-12-28T11:00:02+03:30", "utc": "2066-12-28T07:30:02Z", "ms": 3060747001518.9165 }, "end": { "local": "2066-12-29T13:08:38+03:30", "utc": "2066-12-29T09:38:38Z", "ms": 3060841118254.6343 } }, "kaala": "pradosha", "days": [ { "local_date": "2066-12-28", "window": { "start": { "local": "2066-12-28T16:24:12+03:30", "utc": "2066-12-28T12:54:12Z", "ms": 3060766452407.0854 }, "end": { "local": "2066-12-28T18:18:40+03:30", "utc": "2066-12-28T14:48:40Z", "ms": 3060773319599.315 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "2066-12-29", "window": { "start": { "local": "2066-12-29T16:24:54+03:30", "utc": "2066-12-29T12:54:54Z", "ms": 3060852894102.409 }, "end": { "local": "2066-12-29T18:19:18+03:30", "utc": "2066-12-29T14:49:18Z", "ms": 3060859757775.8267 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:00 on Tue 28 Dec to 13:09 on Wed 29 Dec.", "fact": "2066-12-28T07:30:02Z → 2066-12-29T09:38:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:24–18:19 on the 28th, 16:25–18:19 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 114 of 114 minutes on the 28th and 0 of 114 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11776 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2066: Tuesday 28 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2066-12-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2066-12-28", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2066 falls on Tuesday 28 December. Trayodaśī runs from 11:00 on Tue 28 Dec to 13:09 on Wed 29 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2066/pradosha-vrata?on=2066-12-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }