{ "id": "/medan/festivals/2005", "place": { "id": "1214520", "slug": "medan", "name": "Medan", "region": "North Sumatra, Indonesia", "country": "ID", "lat": 3.58333, "lon": 98.66667, "elevation_m": 26, "tz": "Asia/Jakarta" }, "year": 2005, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/medan/festivals/2005/ekadashi?on=2005-01-07", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8182, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-01-06T10:57:13+07:00", "utc": "2005-01-06T03:57:13Z", "ms": 1104983832728.6746 }, "end": { "local": "2005-01-07T08:50:23+07:00", "utc": "2005-01-07T01:50:23Z", "ms": 1105062623255.3738 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-01-06T10:57:13+07:00", "utc": "2005-01-06T03:57:13Z", "ms": 1104983832728.6746 }, "end": { "local": "2005-01-07T08:50:23+07:00", "utc": "2005-01-07T01:50:23Z", "ms": 1105062623255.3738 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-01-06", "window": { "start": { "local": "2005-01-06T06:33:37+07:00", "utc": "2005-01-05T23:33:37Z", "ms": 1104968016599.395 }, "end": { "local": "2005-01-06T06:33:37+07:00", "utc": "2005-01-05T23:33:37Z", "ms": 1104968016599.395 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-01-07", "window": { "start": { "local": "2005-01-07T06:34:01+07:00", "utc": "2005-01-06T23:34:01Z", "ms": 1105054440875.5505 }, "end": { "local": "2005-01-07T06:34:01+07:00", "utc": "2005-01-06T23:34:01Z", "ms": 1105054440875.5505 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:57 on Thu 6 Jan to 08:50 on Fri 7 Jan.", "fact": "2005-01-06T03:57:13Z → 2005-01-07T01:50:23Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 6th and 06:34 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8182 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Medan, 2005: Friday 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": "2005-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-07", "confidence": "determinate" } ], "quote": "In Medan, Saphalā Ekādaśī 2005 falls on Friday 7 January. Ekādaśī runs from 10:57 on Thu 6 Jan to 08:50 on Fri 7 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-01-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23715, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-01-08T06:02:26+07:00", "utc": "2005-01-07T23:02:26Z", "ms": 1105138945840.1272 }, "end": { "local": "2005-01-09T02:41:35+07:00", "utc": "2005-01-08T19:41:35Z", "ms": 1105213294858.2234 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-01-08T06:02:26+07:00", "utc": "2005-01-07T23:02:26Z", "ms": 1105138945840.1272 }, "end": { "local": "2005-01-09T02:41:35+07:00", "utc": "2005-01-08T19:41:35Z", "ms": 1105213294858.2234 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-01-07", "window": { "start": { "local": "2005-01-07T18:29:11+07:00", "utc": "2005-01-07T11:29:11Z", "ms": 1105097351429.2122 }, "end": { "local": "2005-01-07T20:05:53+07:00", "utc": "2005-01-07T13:05:53Z", "ms": 1105103153180.7778 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2005-01-08", "window": { "start": { "local": "2005-01-08T18:29:39+07:00", "utc": "2005-01-08T11:29:39Z", "ms": 1105183779128.6372 }, "end": { "local": "2005-01-08T20:06:20+07:00", "utc": "2005-01-08T13:06:20Z", "ms": 1105189580263.7612 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:02 on Sat 8 Jan to 02:42 on Sun 9 Jan.", "fact": "2005-01-07T23:02:26Z → 2005-01-08T19:41:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–20:06 on the 7th, 18:30–20:06 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 7th and 97 of 97 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 23715 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Saturday 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": "2005-01-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-08", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Saturday 8 January. Trayodaśī runs from 06:02 on Sat 8 Jan to 02:42 on Sun 9 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-01-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-01-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-08", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 4241, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-01-09T02:41:35+07:00", "utc": "2005-01-08T19:41:35Z", "ms": 1105213294858.2234 }, "end": { "local": "2005-01-09T22:57:57+07:00", "utc": "2005-01-09T15:57:57Z", "ms": 1105286276834.522 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-01-09T02:41:35+07:00", "utc": "2005-01-08T19:41:35Z", "ms": 1105213294858.2234 }, "end": { "local": "2005-01-09T22:57:57+07:00", "utc": "2005-01-09T15:57:57Z", "ms": 1105286276834.522 } }, "kaala": "nishita", "days": [ { "local_date": "2005-01-08", "window": { "start": { "local": "2005-01-09T00:08:13+07:00", "utc": "2005-01-08T17:08:13Z", "ms": 1105204093385.352 }, "end": { "local": "2005-01-09T00:56:13+07:00", "utc": "2005-01-08T17:56:13Z", "ms": 1105206973385.352 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-01-09", "window": { "start": { "local": "2005-01-10T00:08:38+07:00", "utc": "2005-01-09T17:08:38Z", "ms": 1105290518250.9238 }, "end": { "local": "2005-01-10T00:56:38+07:00", "utc": "2005-01-09T17:56:38Z", "ms": 1105293398250.9238 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:42 on Sun 9 Jan to 22:58 on Sun 9 Jan.", "fact": "2005-01-08T19:41:35Z → 2005-01-09T15:57:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 8th, 00:09–00:57 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 4241 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Saturday 8 January.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-01-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-08", "confidence": "boundary" } ], "quote": "In Medan, Śivarātri 2005 falls on Saturday 8 January. Caturdaśī runs from 02:42 on Sun 9 Jan to 22:58 on Sun 9 Jan, and reaches niśītha on neither day.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-01-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40842, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 }, "end": { "local": "2005-02-12T20:12:35+07:00", "utc": "2005-02-12T13:12:35Z", "ms": 1108213955296.1104 } }, "span": { "of": "transit", "start": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 }, "end": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 } }, "kaala": "sunset-day", "days": [ { "local_date": "2005-01-14", "window": { "start": { "local": "2005-01-13T18:31:51+07:00", "utc": "2005-01-13T11:31:51Z", "ms": 1105615910971.4028 }, "end": { "local": "2005-01-14T18:32:16+07:00", "utc": "2005-01-14T11:32:16Z", "ms": 1105702335796.7412 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2005-01-15", "window": { "start": { "local": "2005-01-14T18:32:16+07:00", "utc": "2005-01-14T11:32:16Z", "ms": 1105702335796.7412 }, "end": { "local": "2005-01-15T18:32:40+07:00", "utc": "2005-01-15T11:32:40Z", "ms": 1105788760046.1116 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2005-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:12 on Fri 14 Jan.", "fact": "2005-01-14T00:11:33Z · 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 18:32, and the day of the 15th ends at 18:33.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 40842 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Medan, 2005: Thursday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2005-01-13", "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": "2005-01-13", "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 Medan, Bhogi 2005 falls on Thursday 13 January. It is kept the day before Pongal, which falls on Friday 14 January. The Sun enters Makara at 07:12 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-01-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14566, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-01-13T08:07:17+07:00", "utc": "2005-01-13T01:07:17Z", "ms": 1105578436565.5544 }, "end": { "local": "2005-01-14T05:23:10+07:00", "utc": "2005-01-13T22:23:10Z", "ms": 1105654990336.1597 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-01-13T08:07:17+07:00", "utc": "2005-01-13T01:07:17Z", "ms": 1105578436565.5544 }, "end": { "local": "2005-01-14T05:23:10+07:00", "utc": "2005-01-13T22:23:10Z", "ms": 1105654990336.1597 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-01-13", "window": { "start": { "local": "2005-01-13T12:10:02+07:00", "utc": "2005-01-13T05:10:02Z", "ms": 1105593002099.856 }, "end": { "local": "2005-01-13T12:58:02+07:00", "utc": "2005-01-13T05:58:02Z", "ms": 1105595882099.856 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-01-14", "window": { "start": { "local": "2005-01-14T12:10:24+07:00", "utc": "2005-01-14T05:10:24Z", "ms": 1105679424303.2788 }, "end": { "local": "2005-01-14T12:58:24+07:00", "utc": "2005-01-14T05:58:24Z", "ms": 1105682304303.2788 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:07 on Thu 13 Jan to 05:23 on Fri 14 Jan.", "fact": "2005-01-13T01:07:17Z → 2005-01-13T22:23:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 13th, 12:10–12:58 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14566 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Thursday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-13", "confidence": "determinate" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Thursday 13 January. Caturthī runs from 08:07 on Thu 13 Jan to 05:23 on Fri 14 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/vinayaka-chaturthi?on=2005-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40842, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 }, "end": { "local": "2005-02-12T20:12:35+07:00", "utc": "2005-02-12T13:12:35Z", "ms": 1108213955296.1104 } }, "span": { "of": "transit", "start": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 }, "end": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 } }, "kaala": "sunset-day", "days": [ { "local_date": "2005-01-14", "window": { "start": { "local": "2005-01-13T18:31:51+07:00", "utc": "2005-01-13T11:31:51Z", "ms": 1105615910971.4028 }, "end": { "local": "2005-01-14T18:32:16+07:00", "utc": "2005-01-14T11:32:16Z", "ms": 1105702335796.7412 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2005-01-15", "window": { "start": { "local": "2005-01-14T18:32:16+07:00", "utc": "2005-01-14T11:32:16Z", "ms": 1105702335796.7412 }, "end": { "local": "2005-01-15T18:32:40+07:00", "utc": "2005-01-15T11:32:40Z", "ms": 1105788760046.1116 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:12 on Fri 14 Jan.", "fact": "2005-01-14T00:11:33Z · 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 18:32, and the day of the 15th ends at 18:33.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 40842 s" }, { "step": "ruling", "text": "Pongal, Medan, 2005: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2005-01-14", "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": "2005-01-14", "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 Medan, Pongal 2005 falls on Friday 14 January. The Sun enters Makara at 07:12 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25893, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 }, "end": { "local": "2005-02-12T20:12:35+07:00", "utc": "2005-02-12T13:12:35Z", "ms": 1108213955296.1104 } }, "span": { "of": "transit", "start": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 }, "end": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 } }, "kaala": "civil-day", "days": [ { "local_date": "2005-01-13", "window": { "start": { "local": "2005-01-13T00:00:00+07:00", "utc": "2005-01-12T17:00:00Z", "ms": 1105549200000 }, "end": { "local": "2005-01-14T00:00:00+07:00", "utc": "2005-01-13T17:00:00Z", "ms": 1105635600000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2005-01-14", "window": { "start": { "local": "2005-01-14T00:00:00+07:00", "utc": "2005-01-13T17:00:00Z", "ms": 1105635600000 }, "end": { "local": "2005-01-15T00:00:00+07:00", "utc": "2005-01-14T17:00:00Z", "ms": 1105722000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:12 on Fri 14 Jan.", "fact": "2005-01-14T00:11:33Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Medan.", "fact": "civil-day: midnight-to-midnight · Asia/Jakarta" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 25893 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Medan, 2005: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2005-01-14", "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": "2005-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Medan, Makara Saṅkrānti 2005 falls on Friday 14 January. The Sun enters Makara at 07:12 on Fri 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40842, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 }, "end": { "local": "2005-02-12T20:12:35+07:00", "utc": "2005-02-12T13:12:35Z", "ms": 1108213955296.1104 } }, "span": { "of": "transit", "start": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 }, "end": { "local": "2005-01-14T07:11:33+07:00", "utc": "2005-01-14T00:11:33Z", "ms": 1105661493422.1826 } }, "kaala": "sunset-day", "days": [ { "local_date": "2005-01-14", "window": { "start": { "local": "2005-01-13T18:31:51+07:00", "utc": "2005-01-13T11:31:51Z", "ms": 1105615910971.4028 }, "end": { "local": "2005-01-14T18:32:16+07:00", "utc": "2005-01-14T11:32:16Z", "ms": 1105702335796.7412 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2005-01-15", "window": { "start": { "local": "2005-01-14T18:32:16+07:00", "utc": "2005-01-14T11:32:16Z", "ms": 1105702335796.7412 }, "end": { "local": "2005-01-15T18:32:40+07:00", "utc": "2005-01-15T11:32:40Z", "ms": 1105788760046.1116 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2005-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:12 on Fri 14 Jan.", "fact": "2005-01-14T00:11:33Z · 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 18:32, and the day of the 15th ends at 18:33.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 40842 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Medan, 2005: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2005-01-15", "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": "2005-01-15", "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 Medan, Mattu Pongal 2005 falls on Saturday 15 January. It is kept the day after Pongal, which falls on Friday 14 January. The Sun enters Makara at 07:12 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-01-21", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3209, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-01-20T05:18:53+07:00", "utc": "2005-01-19T22:18:53Z", "ms": 1106173132881.63 }, "end": { "local": "2005-01-21T07:31:56+07:00", "utc": "2005-01-21T00:31:56Z", "ms": 1106267516471.362 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-01-20T05:18:53+07:00", "utc": "2005-01-19T22:18:53Z", "ms": 1106173132881.63 }, "end": { "local": "2005-01-21T07:31:56+07:00", "utc": "2005-01-21T00:31:56Z", "ms": 1106267516471.362 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-01-20", "window": { "start": { "local": "2005-01-20T06:38:13+07:00", "utc": "2005-01-19T23:38:13Z", "ms": 1106177893486.9785 }, "end": { "local": "2005-01-20T06:38:13+07:00", "utc": "2005-01-19T23:38:13Z", "ms": 1106177893486.9785 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-01-21", "window": { "start": { "local": "2005-01-21T06:38:27+07:00", "utc": "2005-01-20T23:38:27Z", "ms": 1106264307338.6592 }, "end": { "local": "2005-01-21T06:38:27+07:00", "utc": "2005-01-20T23:38:27Z", "ms": 1106264307338.6592 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:19 on Thu 20 Jan to 07:32 on Fri 21 Jan.", "fact": "2005-01-19T22:18:53Z → 2005-01-21T00:31:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:38 on the 20th and 06:38 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 on the 21st.", "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 3209 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Medan, 2005: Friday 21 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": "2005-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-21", "confidence": "determinate" } ], "quote": "In Medan, Putradā Ekādaśī 2005 falls on Friday 21 January. Ekādaśī runs from 05:19 on Thu 20 Jan to 07:32 on Fri 21 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-01-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21748, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-01-22T09:59:37+07:00", "utc": "2005-01-22T02:59:37Z", "ms": 1106362776749.9038 }, "end": { "local": "2005-01-23T12:33:04+07:00", "utc": "2005-01-23T05:33:04Z", "ms": 1106458383513.0374 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-01-22T09:59:37+07:00", "utc": "2005-01-22T02:59:37Z", "ms": 1106362776749.9038 }, "end": { "local": "2005-01-23T12:33:04+07:00", "utc": "2005-01-23T05:33:04Z", "ms": 1106458383513.0374 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-01-22", "window": { "start": { "local": "2005-01-22T18:35:12+07:00", "utc": "2005-01-22T11:35:12Z", "ms": 1106393712117.231 }, "end": { "local": "2005-01-22T20:11:41+07:00", "utc": "2005-01-22T13:11:41Z", "ms": 1106399501494.989 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2005-01-23", "window": { "start": { "local": "2005-01-23T18:35:31+07:00", "utc": "2005-01-23T11:35:31Z", "ms": 1106480131148.978 }, "end": { "local": "2005-01-23T20:11:59+07:00", "utc": "2005-01-23T13:11:59Z", "ms": 1106485919489.0588 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:00 on Sat 22 Jan to 12:33 on Sun 23 Jan.", "fact": "2005-01-22T02:59:37Z → 2005-01-23T05:33:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:12 on the 22nd, 18:36–20:12 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 96 of 96 minutes on the 22nd and 0 of 96 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 21748 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Saturday 22 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": "2005-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-22", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Saturday 22 January. Trayodaśī runs from 10:00 on Sat 22 Jan to 12:33 on Sun 23 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/sankashta-chaturthi?on=2005-01-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10093, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-01-28T23:45:16+07:00", "utc": "2005-01-28T16:45:16Z", "ms": 1106930716200.1985 }, "end": { "local": "2005-01-30T01:14:45+07:00", "utc": "2005-01-29T18:14:45Z", "ms": 1107022484572.6165 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-01-28T23:45:16+07:00", "utc": "2005-01-28T16:45:16Z", "ms": 1106930716200.1985 }, "end": { "local": "2005-01-30T01:14:45+07:00", "utc": "2005-01-29T18:14:45Z", "ms": 1107022484572.6165 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-01-28", "window": { "start": { "local": "2005-01-28T20:57:03+07:00", "utc": "2005-01-28T13:57:03Z", "ms": 1106920622780.9348 }, "end": { "local": "2005-01-28T20:57:03+07:00", "utc": "2005-01-28T13:57:03Z", "ms": 1106920622780.9348 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-01-29", "window": { "start": { "local": "2005-01-29T21:39:53+07:00", "utc": "2005-01-29T14:39:53Z", "ms": 1107009592875.4146 }, "end": { "local": "2005-01-29T21:39:53+07:00", "utc": "2005-01-29T14:39:53Z", "ms": 1107009592875.4146 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:45 on Fri 28 Jan to 01:15 on Sun 30 Jan.", "fact": "2005-01-28T16:45:16Z → 2005-01-29T18:14:45Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 28th and 21:40 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10093 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Saturday 29 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": "2005-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-01-29", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Saturday 29 January. Caturthī runs from 23:45 on Fri 28 Jan to 01:15 on Sun 30 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ekadashi?on=2005-02-05", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29961, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-02-04T22:20:49+07:00", "utc": "2005-02-04T15:20:49Z", "ms": 1107530449231.585 }, "end": { "local": "2005-02-05T19:36:05+07:00", "utc": "2005-02-05T12:36:05Z", "ms": 1107606965298.8218 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-04T22:20:49+07:00", "utc": "2005-02-04T15:20:49Z", "ms": 1107530449231.585 }, "end": { "local": "2005-02-05T19:36:05+07:00", "utc": "2005-02-05T12:36:05Z", "ms": 1107606965298.8218 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-02-05", "window": { "start": { "local": "2005-02-05T06:40:10+07:00", "utc": "2005-02-04T23:40:10Z", "ms": 1107560410384.216 }, "end": { "local": "2005-02-05T06:40:10+07:00", "utc": "2005-02-04T23:40:10Z", "ms": 1107560410384.216 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-02-06", "window": { "start": { "local": "2005-02-06T06:40:10+07:00", "utc": "2005-02-05T23:40:10Z", "ms": 1107646810318.3591 }, "end": { "local": "2005-02-06T06:40:10+07:00", "utc": "2005-02-05T23:40:10Z", "ms": 1107646810318.3591 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:21 on Fri 4 Feb to 19:36 on Sat 5 Feb.", "fact": "2005-02-04T15:20:49Z → 2005-02-05T12:36:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 5th and 06:40 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 29961 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Medan, 2005: Saturday 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": "2005-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-05", "confidence": "determinate" } ], "quote": "In Medan, Ṣaṭtilā Ekādaśī 2005 falls on Saturday 5 February. Ekādaśī runs from 22:21 on Fri 4 Feb to 19:36 on Sat 5 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-02-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8156, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-02-06T16:22:46+07:00", "utc": "2005-02-06T09:22:46Z", "ms": 1107681765874.2383 }, "end": { "local": "2005-02-07T12:49:56+07:00", "utc": "2005-02-07T05:49:56Z", "ms": 1107755395527.5415 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-06T16:22:46+07:00", "utc": "2005-02-06T09:22:46Z", "ms": 1107681765874.2383 }, "end": { "local": "2005-02-07T12:49:56+07:00", "utc": "2005-02-07T05:49:56Z", "ms": 1107755395527.5415 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-02-06", "window": { "start": { "local": "2005-02-06T18:38:42+07:00", "utc": "2005-02-06T11:38:42Z", "ms": 1107689921962.4597 }, "end": { "local": "2005-02-06T20:14:54+07:00", "utc": "2005-02-06T13:14:54Z", "ms": 1107695693621.2512 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2005-02-07", "window": { "start": { "local": "2005-02-07T18:38:50+07:00", "utc": "2005-02-07T11:38:50Z", "ms": 1107776330131.7356 }, "end": { "local": "2005-02-07T20:15:00+07:00", "utc": "2005-02-07T13:15:00Z", "ms": 1107782100466.4407 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:23 on Sun 6 Feb to 12:50 on Mon 7 Feb.", "fact": "2005-02-06T09:22:46Z → 2005-02-07T05:49:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:15 on the 6th, 18:39–20:15 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 96 of 96 minutes on the 6th and 0 of 96 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 8156 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Sunday 6 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": "2005-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-06", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Sunday 6 February. Trayodaśī runs from 16:23 on Sun 6 Feb to 12:50 on Mon 7 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-02-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29069, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-02-07T12:49:56+07:00", "utc": "2005-02-07T05:49:56Z", "ms": 1107755395527.5415 }, "end": { "local": "2005-02-08T09:07:58+07:00", "utc": "2005-02-08T02:07:58Z", "ms": 1107828477948.3315 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-07T12:49:56+07:00", "utc": "2005-02-07T05:49:56Z", "ms": 1107755395527.5415 }, "end": { "local": "2005-02-08T09:07:58+07:00", "utc": "2005-02-08T02:07:58Z", "ms": 1107828477948.3315 } }, "kaala": "nishita", "days": [ { "local_date": "2005-02-06", "window": { "start": { "local": "2005-02-07T00:15:26+07:00", "utc": "2005-02-06T17:15:26Z", "ms": 1107710125682.928 }, "end": { "local": "2005-02-07T01:03:26+07:00", "utc": "2005-02-06T18:03:26Z", "ms": 1107713005682.928 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-02-07", "window": { "start": { "local": "2005-02-08T00:15:29+07:00", "utc": "2005-02-07T17:15:29Z", "ms": 1107796528886.88 }, "end": { "local": "2005-02-08T01:03:29+07:00", "utc": "2005-02-07T18:03:29Z", "ms": 1107799408886.88 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:50 on Mon 7 Feb to 09:08 on Tue 8 Feb.", "fact": "2005-02-07T05:49:56Z → 2005-02-08T02:07:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:15–01:03 on the 6th, 00:15–01:03 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29069 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Monday 7 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-07", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Monday 7 February. Caturdaśī runs from 12:50 on Mon 7 Feb to 09:08 on Tue 8 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-02-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8870, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-02-07T12:49:56+07:00", "utc": "2005-02-07T05:49:56Z", "ms": 1107755395527.5415 }, "end": { "local": "2005-02-08T09:07:58+07:00", "utc": "2005-02-08T02:07:58Z", "ms": 1107828477948.3315 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-07T12:49:56+07:00", "utc": "2005-02-07T05:49:56Z", "ms": 1107755395527.5415 }, "end": { "local": "2005-02-08T09:07:58+07:00", "utc": "2005-02-08T02:07:58Z", "ms": 1107828477948.3315 } }, "kaala": "arunodaya", "days": [ { "local_date": "2005-02-07", "window": { "start": { "local": "2005-02-07T05:03:58+07:00", "utc": "2005-02-06T22:03:58Z", "ms": 1107727437744.6047 }, "end": { "local": "2005-02-07T06:40:09+07:00", "utc": "2005-02-06T23:40:09Z", "ms": 1107733209403.3962 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2005-02-08", "window": { "start": { "local": "2005-02-08T05:03:57+07:00", "utc": "2005-02-07T22:03:57Z", "ms": 1107813837307.3188 }, "end": { "local": "2005-02-08T06:40:08+07:00", "utc": "2005-02-07T23:40:08Z", "ms": 1107819607642.024 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:50 on Mon 7 Feb to 09:08 on Tue 8 Feb.", "fact": "2005-02-07T05:49:56Z → 2005-02-08T02:07:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:04–06:40 on the 7th, 05:04–06:40 on the 8th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 96 minutes on the 7th and 96 of 96 on the 8th.", "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 8870 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Medan, 2005: Tuesday 8 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-08", "confidence": "determinate" } ], "quote": "In Medan, Yama Tarpaṇa 2005 falls on Tuesday 8 February. Caturdaśī runs from 12:50 on Mon 7 Feb to 09:08 on Tue 8 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20685, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-02-11T20:32:23+07:00", "utc": "2005-02-11T13:32:23Z", "ms": 1108128742647.097 }, "end": { "local": "2005-02-12T18:48:21+07:00", "utc": "2005-02-12T11:48:21Z", "ms": 1108208901476.7073 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-11T20:32:23+07:00", "utc": "2005-02-11T13:32:23Z", "ms": 1108128742647.097 }, "end": { "local": "2005-02-12T18:48:21+07:00", "utc": "2005-02-12T11:48:21Z", "ms": 1108208901476.7073 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-02-11", "window": { "start": { "local": "2005-02-11T12:15:36+07:00", "utc": "2005-02-11T05:15:36Z", "ms": 1108098936402.3052 }, "end": { "local": "2005-02-11T13:03:36+07:00", "utc": "2005-02-11T06:03:36Z", "ms": 1108101816402.3052 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-02-12", "window": { "start": { "local": "2005-02-12T12:15:36+07:00", "utc": "2005-02-12T05:15:36Z", "ms": 1108185336105.7715 }, "end": { "local": "2005-02-12T13:03:36+07:00", "utc": "2005-02-12T06:03:36Z", "ms": 1108188216105.7715 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:32 on Fri 11 Feb to 18:48 on Sat 12 Feb.", "fact": "2005-02-11T13:32:23Z → 2005-02-12T11:48:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 11th, 12:16–13:04 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20685 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Medan, 2005: Saturday 12 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-12", "confidence": "determinate" } ], "quote": "In Medan, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2005 falls on Saturday 12 February. Caturthī runs from 20:32 on Fri 11 Feb to 18:48 on Sat 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 541, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-02-11T20:32:23+07:00", "utc": "2005-02-11T13:32:23Z", "ms": 1108128742647.097 }, "end": { "local": "2005-02-12T18:48:21+07:00", "utc": "2005-02-12T11:48:21Z", "ms": 1108208901476.7073 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-11T20:32:23+07:00", "utc": "2005-02-11T13:32:23Z", "ms": 1108128742647.097 }, "end": { "local": "2005-02-12T18:48:21+07:00", "utc": "2005-02-12T11:48:21Z", "ms": 1108208901476.7073 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-02-11", "window": { "start": { "local": "2005-02-11T18:39:15+07:00", "utc": "2005-02-11T11:39:15Z", "ms": 1108121955494.4421 }, "end": { "local": "2005-02-11T20:15:20+07:00", "utc": "2005-02-11T13:15:20Z", "ms": 1108127720388.4065 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2005-02-12", "window": { "start": { "local": "2005-02-12T18:39:20+07:00", "utc": "2005-02-12T11:39:20Z", "ms": 1108208360012.368 }, "end": { "local": "2005-02-12T20:15:24+07:00", "utc": "2005-02-12T13:15:24Z", "ms": 1108214123512.9368 } }, "covered_min": 9, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:32 on Fri 11 Feb to 18:48 on Sat 12 Feb.", "fact": "2005-02-11T13:32:23Z → 2005-02-12T11:48:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:15 on the 11th, 18:39–20:15 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 96 minutes on the 11th and 9 of 96 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 541 s" }, { "step": "ruling", "text": "Tila Caturthī, Medan, 2005: Saturday 12 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-11", "confidence": "boundary" } ], "quote": "In Medan, Tila Caturthī 2005 falls on Saturday 12 February. Caturthī runs from 20:32 on Fri 11 Feb to 18:48 on Sat 12 Feb and covers 9 of 96 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17391, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2005-02-12T18:48:21+07:00", "utc": "2005-02-12T11:48:21Z", "ms": 1108208901476.7073 }, "end": { "local": "2005-02-13T17:53:26+07:00", "utc": "2005-02-13T10:53:26Z", "ms": 1108292006205.019 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-12T18:48:21+07:00", "utc": "2005-02-12T11:48:21Z", "ms": 1108208901476.7073 }, "end": { "local": "2005-02-13T17:53:26+07:00", "utc": "2005-02-13T10:53:26Z", "ms": 1108292006205.019 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-02-12", "window": { "start": { "local": "2005-02-12T12:15:36+07:00", "utc": "2005-02-12T05:15:36Z", "ms": 1108185336105.7715 }, "end": { "local": "2005-02-12T13:03:36+07:00", "utc": "2005-02-12T06:03:36Z", "ms": 1108188216105.7715 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-02-13", "window": { "start": { "local": "2005-02-13T12:15:35+07:00", "utc": "2005-02-13T05:15:35Z", "ms": 1108271735038.0881 }, "end": { "local": "2005-02-13T13:03:35+07:00", "utc": "2005-02-13T06:03:35Z", "ms": 1108274615038.0881 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:48 on Sat 12 Feb to 17:53 on Sun 13 Feb.", "fact": "2005-02-12T11:48:21Z → 2005-02-13T10:53:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 12th, 12:16–13:04 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17391 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Medan, 2005: Sunday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-13", "confidence": "determinate" } ], "quote": "In Medan, Śrī Pañcamī 2005 falls on Sunday 13 February. Pañcamī runs from 18:48 on Sat 12 Feb to 17:53 on Sun 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17391, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2005-02-12T18:48:21+07:00", "utc": "2005-02-12T11:48:21Z", "ms": 1108208901476.7073 }, "end": { "local": "2005-02-13T17:53:26+07:00", "utc": "2005-02-13T10:53:26Z", "ms": 1108292006205.019 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-12T18:48:21+07:00", "utc": "2005-02-12T11:48:21Z", "ms": 1108208901476.7073 }, "end": { "local": "2005-02-13T17:53:26+07:00", "utc": "2005-02-13T10:53:26Z", "ms": 1108292006205.019 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-02-12", "window": { "start": { "local": "2005-02-12T12:15:36+07:00", "utc": "2005-02-12T05:15:36Z", "ms": 1108185336105.7715 }, "end": { "local": "2005-02-12T13:03:36+07:00", "utc": "2005-02-12T06:03:36Z", "ms": 1108188216105.7715 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-02-13", "window": { "start": { "local": "2005-02-13T12:15:35+07:00", "utc": "2005-02-13T05:15:35Z", "ms": 1108271735038.0881 }, "end": { "local": "2005-02-13T13:03:35+07:00", "utc": "2005-02-13T06:03:35Z", "ms": 1108274615038.0881 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:48 on Sat 12 Feb to 17:53 on Sun 13 Feb.", "fact": "2005-02-12T11:48:21Z → 2005-02-13T10:53:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 12th, 12:16–13:04 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17391 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Medan, 2005: Sunday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-13", "confidence": "determinate" } ], "quote": "In Medan, Vasanta Pañcamī 2005 falls on Sunday 13 February. Pañcamī runs from 18:48 on Sat 12 Feb to 17:53 on Sun 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37637, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2005-02-14T17:49:59+07:00", "utc": "2005-02-14T10:49:59Z", "ms": 1108378198624.6384 }, "end": { "local": "2005-02-15T18:36:07+07:00", "utc": "2005-02-15T11:36:07Z", "ms": 1108467367149.1985 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-14T17:49:59+07:00", "utc": "2005-02-14T10:49:59Z", "ms": 1108378198624.6384 }, "end": { "local": "2005-02-15T18:36:07+07:00", "utc": "2005-02-15T11:36:07Z", "ms": 1108467367149.1985 } }, "kaala": "arunodaya", "days": [ { "local_date": "2005-02-15", "window": { "start": { "local": "2005-02-15T05:03:31+07:00", "utc": "2005-02-14T22:03:31Z", "ms": 1108418611300.3958 }, "end": { "local": "2005-02-15T06:39:32+07:00", "utc": "2005-02-14T23:39:32Z", "ms": 1108424371978.3958 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2005-02-16", "window": { "start": { "local": "2005-02-16T05:03:24+07:00", "utc": "2005-02-15T22:03:24Z", "ms": 1108505004397.457 }, "end": { "local": "2005-02-16T06:39:24+07:00", "utc": "2005-02-15T23:39:24Z", "ms": 1108510763647.3713 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:50 on Mon 14 Feb to 18:36 on Tue 15 Feb.", "fact": "2005-02-14T10:49:59Z → 2005-02-15T11:36:07Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:04–06:40 on the 15th, 05:03–06:39 on the 16th.", "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 96 of 96 minutes on the 15th and 0 of 96 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37637 s" }, { "step": "ruling", "text": "Ratha Saptamī, Medan, 2005: Tuesday 15 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": "2005-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-15", "confidence": "determinate" } ], "quote": "In Medan, Ratha Saptamī 2005 falls on Tuesday 15 February. Saptamī runs from 17:50 on Mon 14 Feb to 18:36 on Tue 15 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-02-19", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12717, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-02-19T00:33:10+07:00", "utc": "2005-02-18T17:33:10Z", "ms": 1108747989684.1892 }, "end": { "local": "2005-02-20T03:06:46+07:00", "utc": "2005-02-19T20:06:46Z", "ms": 1108843606247.0576 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-19T00:33:10+07:00", "utc": "2005-02-18T17:33:10Z", "ms": 1108747989684.1892 }, "end": { "local": "2005-02-20T03:06:46+07:00", "utc": "2005-02-19T20:06:46Z", "ms": 1108843606247.0576 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-02-19", "window": { "start": { "local": "2005-02-19T06:38:54+07:00", "utc": "2005-02-18T23:38:54Z", "ms": 1108769934080.6738 }, "end": { "local": "2005-02-19T06:38:54+07:00", "utc": "2005-02-18T23:38:54Z", "ms": 1108769934080.6738 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-02-20", "window": { "start": { "local": "2005-02-20T06:38:43+07:00", "utc": "2005-02-19T23:38:43Z", "ms": 1108856322754.654 }, "end": { "local": "2005-02-20T06:38:43+07:00", "utc": "2005-02-19T23:38:43Z", "ms": 1108856322754.654 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:33 on Sat 19 Feb to 03:07 on Sun 20 Feb.", "fact": "2005-02-18T17:33:10Z → 2005-02-19T20:06:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 19th and 06:39 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 12717 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Medan, 2005: Saturday 19 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": "2005-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-19", "confidence": "determinate" } ], "quote": "In Medan, Jayā Ekādaśī 2005 falls on Saturday 19 February. Ekādaśī runs from 00:33 on Sat 19 Feb to 03:07 on Sun 20 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23781, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2005-02-20T03:06:46+07:00", "utc": "2005-02-19T20:06:46Z", "ms": 1108843606247.0576 }, "end": { "local": "2005-02-21T05:38:39+07:00", "utc": "2005-02-20T22:38:39Z", "ms": 1108939118833.1477 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-20T03:06:46+07:00", "utc": "2005-02-19T20:06:46Z", "ms": 1108843606247.0576 }, "end": { "local": "2005-02-21T05:38:39+07:00", "utc": "2005-02-20T22:38:39Z", "ms": 1108939118833.1477 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-02-20", "window": { "start": { "local": "2005-02-20T12:15:07+07:00", "utc": "2005-02-20T05:15:07Z", "ms": 1108876506884.1777 }, "end": { "local": "2005-02-20T13:03:07+07:00", "utc": "2005-02-20T06:03:07Z", "ms": 1108879386884.1777 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-02-21", "window": { "start": { "local": "2005-02-21T12:15:00+07:00", "utc": "2005-02-21T05:15:00Z", "ms": 1108962900074.392 }, "end": { "local": "2005-02-21T13:03:00+07:00", "utc": "2005-02-21T06:03:00Z", "ms": 1108965780074.392 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:07 on Sun 20 Feb to 05:39 on Mon 21 Feb.", "fact": "2005-02-19T20:06:46Z → 2005-02-20T22:38:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 20th, 12:15–13:03 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23781 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Medan, 2005: Sunday 20 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": "2005-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-20", "confidence": "determinate" } ], "quote": "In Medan, Bhīṣma Dvādaśī 2005 falls on Sunday 20 February. Dvādaśī runs from 03:07 on Sun 20 Feb to 05:39 on Mon 21 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/pradosha-vrata?on=2005-02-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33796, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-02-21T05:38:39+07:00", "utc": "2005-02-20T22:38:39Z", "ms": 1108939118833.1477 }, "end": { "local": "2005-02-22T08:00:27+07:00", "utc": "2005-02-22T01:00:27Z", "ms": 1109034026929.5142 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-21T05:38:39+07:00", "utc": "2005-02-20T22:38:39Z", "ms": 1108939118833.1477 }, "end": { "local": "2005-02-22T08:00:27+07:00", "utc": "2005-02-22T01:00:27Z", "ms": 1109034026929.5142 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-02-20", "window": { "start": { "local": "2005-02-20T18:39:31+07:00", "utc": "2005-02-20T11:39:31Z", "ms": 1108899571013.7012 }, "end": { "local": "2005-02-20T20:15:23+07:00", "utc": "2005-02-20T13:15:23Z", "ms": 1108905322974.8777 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2005-02-21", "window": { "start": { "local": "2005-02-21T18:39:29+07:00", "utc": "2005-02-21T11:39:29Z", "ms": 1108985969426.26 }, "end": { "local": "2005-02-21T20:15:20+07:00", "utc": "2005-02-21T13:15:20Z", "ms": 1108991719903.1428 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:39 on Mon 21 Feb to 08:00 on Tue 22 Feb.", "fact": "2005-02-20T22:38:39Z → 2005-02-22T01:00:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:15 on the 20th, 18:39–20:15 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 96 minutes on the 20th and 96 of 96 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 33796 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Monday 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": "2005-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-21", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Monday 21 February. Trayodaśī runs from 05:39 on Mon 21 Feb to 08:00 on Tue 22 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-02-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1252, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-02-23T10:06:35+07:00", "utc": "2005-02-23T03:06:35Z", "ms": 1109127994674.568 }, "end": { "local": "2005-02-24T11:53:44+07:00", "utc": "2005-02-24T04:53:44Z", "ms": 1109220823785.2627 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2005-02-23T10:06:35+07:00", "utc": "2005-02-23T03:06:35Z", "ms": 1109127994674.568 }, "end": { "local": "2005-02-24T11:53:44+07:00", "utc": "2005-02-24T04:53:44Z", "ms": 1109220823785.2627 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-02-23", "window": { "start": { "local": "2005-02-23T12:14:45+07:00", "utc": "2005-02-23T05:14:45Z", "ms": 1109135684528.1523 }, "end": { "local": "2005-02-23T13:02:45+07:00", "utc": "2005-02-23T06:02:45Z", "ms": 1109138564528.1523 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-02-24", "window": { "start": { "local": "2005-02-24T12:14:36+07:00", "utc": "2005-02-24T05:14:36Z", "ms": 1109222075828.7563 }, "end": { "local": "2005-02-24T13:02:36+07:00", "utc": "2005-02-24T06:02:36Z", "ms": 1109224955828.7563 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:07 on Wed 23 Feb to 11:54 on Thu 24 Feb.", "fact": "2005-02-23T03:06:35Z → 2005-02-24T04:53:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 23rd, 12:15–13:03 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1252 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Medan, 2005: Wednesday 23 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-24", "confidence": "determinate" } ], "quote": "In Medan, Māghī Pūrṇimā 2005 falls on Wednesday 23 February. Pūrṇimā runs from 10:07 on Wed 23 Feb to 11:54 on Thu 24 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-02-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21627, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-02-27T15:05:30+07:00", "utc": "2005-02-27T08:05:30Z", "ms": 1109491530278.6438 }, "end": { "local": "2005-02-28T15:21:42+07:00", "utc": "2005-02-28T08:21:42Z", "ms": 1109578902119.464 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2005-02-27T15:05:30+07:00", "utc": "2005-02-27T08:05:30Z", "ms": 1109491530278.6438 }, "end": { "local": "2005-02-28T15:21:42+07:00", "utc": "2005-02-28T08:21:42Z", "ms": 1109578902119.464 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-02-27", "window": { "start": { "local": "2005-02-27T21:05:57+07:00", "utc": "2005-02-27T14:05:57Z", "ms": 1109513157277.1965 }, "end": { "local": "2005-02-27T21:05:57+07:00", "utc": "2005-02-27T14:05:57Z", "ms": 1109513157277.1965 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-02-28", "window": { "start": { "local": "2005-02-28T21:52:07+07:00", "utc": "2005-02-28T14:52:07Z", "ms": 1109602326797.9475 }, "end": { "local": "2005-02-28T21:52:07+07:00", "utc": "2005-02-28T14:52:07Z", "ms": 1109602326797.9475 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:06 on Sun 27 Feb to 15:22 on Mon 28 Feb.", "fact": "2005-02-27T08:05:30Z → 2005-02-28T08:21:42Z" }, { "step": "kaala", "text": "Moonrise is at 21:06 on the 27th and 21:52 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21627 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Sunday 27 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": "2005-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-02-27", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Sunday 27 February. Caturthī runs from 15:06 on Sun 27 Feb to 15:22 on Mon 28 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ekadashi?on=2005-03-06", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1714, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-03-06T07:03:34+07:00", "utc": "2005-03-06T00:03:34Z", "ms": 1110067413577.0723 }, "end": { "local": "2005-03-07T04:12:13+07:00", "utc": "2005-03-06T21:12:13Z", "ms": 1110143532680.4653 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2005-03-06T07:03:34+07:00", "utc": "2005-03-06T00:03:34Z", "ms": 1110067413577.0723 }, "end": { "local": "2005-03-07T04:12:13+07:00", "utc": "2005-03-06T21:12:13Z", "ms": 1110143532680.4653 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-03-06", "window": { "start": { "local": "2005-03-06T06:34:59+07:00", "utc": "2005-03-05T23:34:59Z", "ms": 1110065699206.1885 }, "end": { "local": "2005-03-06T06:34:59+07:00", "utc": "2005-03-05T23:34:59Z", "ms": 1110065699206.1885 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-03-07", "window": { "start": { "local": "2005-03-07T06:34:39+07:00", "utc": "2005-03-06T23:34:39Z", "ms": 1110152079430.0483 }, "end": { "local": "2005-03-07T06:34:39+07:00", "utc": "2005-03-06T23:34:39Z", "ms": 1110152079430.0483 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:04 on Sun 6 Mar to 04:12 on Mon 7 Mar.", "fact": "2005-03-06T00:03:34Z → 2005-03-06T21:12:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 6th and 06:35 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is not on the 7th.", "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 1714 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Medan, 2005: Sunday 6 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": "2005-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-06", "confidence": "determinate" } ], "quote": "In Medan, Vijayā Ekādaśī 2005 falls on Sunday 6 March. Ekādaśī runs from 07:04 on Sun 6 Mar to 04:12 on Mon 7 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-03-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7858, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-03-08T22:01:02+07:00", "utc": "2005-03-08T15:01:02Z", "ms": 1110294062328.38 }, "end": { "local": "2005-03-09T18:58:29+07:00", "utc": "2005-03-09T11:58:29Z", "ms": 1110369508564.5454 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2005-03-08T22:01:02+07:00", "utc": "2005-03-08T15:01:02Z", "ms": 1110294062328.38 }, "end": { "local": "2005-03-09T18:58:29+07:00", "utc": "2005-03-09T11:58:29Z", "ms": 1110369508564.5454 } }, "kaala": "nishita", "days": [ { "local_date": "2005-03-08", "window": { "start": { "local": "2005-03-09T00:12:01+07:00", "utc": "2005-03-08T17:12:01Z", "ms": 1110301920764.4878 }, "end": { "local": "2005-03-09T01:00:01+07:00", "utc": "2005-03-08T18:00:01Z", "ms": 1110304800764.4878 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-03-09", "window": { "start": { "local": "2005-03-10T00:11:46+07:00", "utc": "2005-03-09T17:11:46Z", "ms": 1110388305734.691 }, "end": { "local": "2005-03-10T00:59:46+07:00", "utc": "2005-03-09T17:59:46Z", "ms": 1110391185734.691 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:01 on Tue 8 Mar to 18:58 on Wed 9 Mar.", "fact": "2005-03-08T15:01:02Z → 2005-03-09T11:58:29Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 8th, 00:12–01:00 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 7858 s" }, { "step": "ruling", "text": "Mahāśivarātri, Medan, 2005: Tuesday 8 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-08", "confidence": "determinate" } ], "quote": "In Medan, Mahāśivarātri 2005 falls on Tuesday 8 March. Caturdaśī runs from 22:01 on Tue 8 Mar to 18:58 on Wed 9 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/pradosha-vrata?on=2005-03-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6452, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-03-08T01:08:38+07:00", "utc": "2005-03-07T18:08:38Z", "ms": 1110218917827.4268 }, "end": { "local": "2005-03-08T22:01:02+07:00", "utc": "2005-03-08T15:01:02Z", "ms": 1110294062328.38 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2005-03-08T01:08:38+07:00", "utc": "2005-03-07T18:08:38Z", "ms": 1110218917827.4268 }, "end": { "local": "2005-03-08T22:01:02+07:00", "utc": "2005-03-08T15:01:02Z", "ms": 1110294062328.38 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-03-07", "window": { "start": { "local": "2005-03-07T18:38:12+07:00", "utc": "2005-03-07T11:38:12Z", "ms": 1110195491626.5466 }, "end": { "local": "2005-03-07T20:13:41+07:00", "utc": "2005-03-07T13:13:41Z", "ms": 1110201220643.2625 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2005-03-08", "window": { "start": { "local": "2005-03-08T18:38:03+07:00", "utc": "2005-03-08T11:38:03Z", "ms": 1110281882840.2324 }, "end": { "local": "2005-03-08T20:13:30+07:00", "utc": "2005-03-08T13:13:30Z", "ms": 1110287610286.7004 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:09 on Tue 8 Mar to 22:01 on Tue 8 Mar.", "fact": "2005-03-07T18:08:38Z → 2005-03-08T15:01:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:14 on the 7th, 18:38–20:14 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 7th and 95 of 95 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 6452 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Tuesday 8 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": "2005-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-08", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Tuesday 8 March. Trayodaśī runs from 01:09 on Tue 8 Mar to 22:01 on Tue 8 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-03-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-03-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5359, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-03-13T10:41:35+07:00", "utc": "2005-03-13T03:41:35Z", "ms": 1110685294766.6743 }, "end": { "local": "2005-03-14T10:13:45+07:00", "utc": "2005-03-14T03:13:45Z", "ms": 1110770024556.3677 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2005-03-13T10:41:35+07:00", "utc": "2005-03-13T03:41:35Z", "ms": 1110685294766.6743 }, "end": { "local": "2005-03-14T10:13:45+07:00", "utc": "2005-03-14T03:13:45Z", "ms": 1110770024556.3677 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-03-13", "window": { "start": { "local": "2005-03-13T12:10:53+07:00", "utc": "2005-03-13T05:10:53Z", "ms": 1110690653494.2256 }, "end": { "local": "2005-03-13T12:58:53+07:00", "utc": "2005-03-13T05:58:53Z", "ms": 1110693533494.2256 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-03-14", "window": { "start": { "local": "2005-03-14T12:10:37+07:00", "utc": "2005-03-14T05:10:37Z", "ms": 1110777037067.4678 }, "end": { "local": "2005-03-14T12:58:37+07:00", "utc": "2005-03-14T05:58:37Z", "ms": 1110779917067.4678 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:42 on Sun 13 Mar to 10:14 on Mon 14 Mar.", "fact": "2005-03-13T03:41:35Z → 2005-03-14T03:13:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 13th, 12:11–12:59 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5359 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Sunday 13 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": "2005-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-13", "confidence": "determinate" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Sunday 13 March. Caturthī runs from 10:42 on Sun 13 Mar to 10:14 on Mon 14 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/vinayaka-chaturthi?on=2005-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ekadashi?on=2005-03-21", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28118, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-03-20T20:21:14+07:00", "utc": "2005-03-20T13:21:14Z", "ms": 1111324873796.4124 }, "end": { "local": "2005-03-21T22:40:26+07:00", "utc": "2005-03-21T15:40:26Z", "ms": 1111419626252.7217 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2005-03-20T20:21:14+07:00", "utc": "2005-03-20T13:21:14Z", "ms": 1111324873796.4124 }, "end": { "local": "2005-03-21T22:40:26+07:00", "utc": "2005-03-21T15:40:26Z", "ms": 1111419626252.7217 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-03-21", "window": { "start": { "local": "2005-03-21T06:29:28+07:00", "utc": "2005-03-20T23:29:28Z", "ms": 1111361368300.785 }, "end": { "local": "2005-03-21T06:29:28+07:00", "utc": "2005-03-20T23:29:28Z", "ms": 1111361368300.785 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-03-22", "window": { "start": { "local": "2005-03-22T06:29:04+07:00", "utc": "2005-03-21T23:29:04Z", "ms": 1111447744402.7148 }, "end": { "local": "2005-03-22T06:29:04+07:00", "utc": "2005-03-21T23:29:04Z", "ms": 1111447744402.7148 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:21 on Sun 20 Mar to 22:40 on Mon 21 Mar.", "fact": "2005-03-20T13:21:14Z → 2005-03-21T15:40:26Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 21st and 06:29 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28118 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Medan, 2005: Monday 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": "2005-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-21", "confidence": "determinate" } ], "quote": "In Medan, Āmalakī Ekādaśī 2005 falls on Monday 21 March. Ekādaśī runs from 20:21 on Sun 20 Mar to 22:40 on Mon 21 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-03-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16206, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-03-23T00:40:42+07:00", "utc": "2005-03-22T17:40:42Z", "ms": 1111513241946.5405 }, "end": { "local": "2005-03-24T02:15:36+07:00", "utc": "2005-03-23T19:15:36Z", "ms": 1111605336441.0874 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2005-03-23T00:40:42+07:00", "utc": "2005-03-22T17:40:42Z", "ms": 1111513241946.5405 }, "end": { "local": "2005-03-24T02:15:36+07:00", "utc": "2005-03-23T19:15:36Z", "ms": 1111605336441.0874 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-03-22", "window": { "start": { "local": "2005-03-22T18:35:31+07:00", "utc": "2005-03-22T11:35:31Z", "ms": 1111491331160.1157 }, "end": { "local": "2005-03-22T20:10:36+07:00", "utc": "2005-03-22T13:10:36Z", "ms": 1111497036391.6914 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2005-03-23", "window": { "start": { "local": "2005-03-23T18:35:19+07:00", "utc": "2005-03-23T11:35:19Z", "ms": 1111577719001.786 }, "end": { "local": "2005-03-23T20:10:23+07:00", "utc": "2005-03-23T13:10:23Z", "ms": 1111583422642.4634 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:41 on Wed 23 Mar to 02:16 on Thu 24 Mar.", "fact": "2005-03-22T17:40:42Z → 2005-03-23T19:15:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:11 on the 22nd, 18:35–20:10 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 95 minutes on the 22nd and 95 of 95 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 16206 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Wednesday 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": "2005-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-23", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Wednesday 23 March. Trayodaśī runs from 00:41 on Wed 23 Mar to 02:16 on Thu 24 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31603, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-03-25T03:21:50+07:00", "utc": "2005-03-24T20:21:50Z", "ms": 1111695709790.114 }, "end": { "local": "2005-03-26T03:58:32+07:00", "utc": "2005-03-25T20:58:32Z", "ms": 1111784311716.1624 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2005-03-25T03:21:50+07:00", "utc": "2005-03-24T20:21:50Z", "ms": 1111695709790.114 }, "end": { "local": "2005-03-26T03:58:32+07:00", "utc": "2005-03-25T20:58:32Z", "ms": 1111784311716.1624 } }, "kaala": "sayahna", "days": [ { "local_date": "2005-03-24", "window": { "start": { "local": "2005-03-24T16:09:45+07:00", "utc": "2005-03-24T09:09:45Z", "ms": 1111655384682.0984 }, "end": { "local": "2005-03-24T18:35:07+07:00", "utc": "2005-03-24T11:35:07Z", "ms": 1111664106775.9065 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "2005-03-25", "window": { "start": { "local": "2005-03-25T16:09:30+07:00", "utc": "2005-03-25T09:09:30Z", "ms": 1111741770034.9932 }, "end": { "local": "2005-03-25T18:34:55+07:00", "utc": "2005-03-25T11:34:55Z", "ms": 1111750494504.674 } }, "covered_min": 145, "window_min": 145, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:22 on Fri 25 Mar to 03:59 on Sat 26 Mar.", "fact": "2005-03-24T20:21:50Z → 2005-03-25T20:58:32Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:10–18:35 on the 24th, 16:10–18:35 on the 25th.", "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 145 minutes on the 24th and 145 of 145 on the 25th.", "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 31603 s" }, { "step": "ruling", "text": "Holikā Dahana, Medan, 2005: Friday 25 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": "2005-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-25", "confidence": "determinate" } ], "quote": "In Medan, Holikā Dahana 2005 falls on Friday 25 March. Pūrṇimā runs from 03:22 on Fri 25 Mar to 03:59 on Sat 26 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31603, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-03-25T03:21:50+07:00", "utc": "2005-03-24T20:21:50Z", "ms": 1111695709790.114 }, "end": { "local": "2005-03-26T03:58:32+07:00", "utc": "2005-03-25T20:58:32Z", "ms": 1111784311716.1624 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2005-03-25T03:21:50+07:00", "utc": "2005-03-24T20:21:50Z", "ms": 1111695709790.114 }, "end": { "local": "2005-03-26T03:58:32+07:00", "utc": "2005-03-25T20:58:32Z", "ms": 1111784311716.1624 } }, "kaala": "sayahna", "days": [ { "local_date": "2005-03-24", "window": { "start": { "local": "2005-03-24T16:09:45+07:00", "utc": "2005-03-24T09:09:45Z", "ms": 1111655384682.0984 }, "end": { "local": "2005-03-24T18:35:07+07:00", "utc": "2005-03-24T11:35:07Z", "ms": 1111664106775.9065 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "2005-03-25", "window": { "start": { "local": "2005-03-25T16:09:30+07:00", "utc": "2005-03-25T09:09:30Z", "ms": 1111741770034.9932 }, "end": { "local": "2005-03-25T18:34:55+07:00", "utc": "2005-03-25T11:34:55Z", "ms": 1111750494504.674 } }, "covered_min": 145, "window_min": 145, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2005-03-25", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:22 on Fri 25 Mar to 03:59 on Sat 26 Mar.", "fact": "2005-03-24T20:21:50Z → 2005-03-25T20:58:32Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:10–18:35 on the 24th, 16:10–18:35 on the 25th.", "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 145 minutes on the 24th and 145 of 145 on the 25th.", "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 31603 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Friday 25 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Medan, 2005: Saturday 26 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": "2005-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-26", "confidence": "determinate" } ], "quote": "In Medan, Holī 2005 falls on Saturday 26 March. It is kept the day after Holikā Dahana, which falls on Friday 25 March. Pūrṇimā runs from 03:22 on Fri 25 Mar to 03:59 on Sat 26 Mar and covers all of sāyāhna on the 25th.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8428, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2005-03-26T03:58:32+07:00", "utc": "2005-03-25T20:58:32Z", "ms": 1111784311716.1624 }, "end": { "local": "2005-03-27T04:06:35+07:00", "utc": "2005-03-26T21:06:35Z", "ms": 1111871195385.4163 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-03-26T03:58:32+07:00", "utc": "2005-03-25T20:58:32Z", "ms": 1111784311716.1624 }, "end": { "local": "2005-03-27T04:06:35+07:00", "utc": "2005-03-26T21:06:35Z", "ms": 1111871195385.4163 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-03-26", "window": { "start": { "local": "2005-03-26T06:27:28+07:00", "utc": "2005-03-25T23:27:28Z", "ms": 1111793247969.1912 }, "end": { "local": "2005-03-26T06:27:28+07:00", "utc": "2005-03-25T23:27:28Z", "ms": 1111793247969.1912 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-03-27", "window": { "start": { "local": "2005-03-27T06:27:04+07:00", "utc": "2005-03-26T23:27:04Z", "ms": 1111879623769.8853 }, "end": { "local": "2005-03-27T06:27:04+07:00", "utc": "2005-03-26T23:27:04Z", "ms": 1111879623769.8853 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:59 on Sat 26 Mar to 04:07 on Sun 27 Mar.", "fact": "2005-03-25T20:58:32Z → 2005-03-26T21:06:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:27 on the 26th and 06:27 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8428 s" }, { "step": "ruling", "text": "Vasantotsava, Medan, 2005: Saturday 26 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": "2005-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-26", "confidence": "determinate" } ], "quote": "In Medan, Vasantotsava 2005 falls on Saturday 26 March. Pratipadā runs from 03:59 on Sat 26 Mar to 04:07 on Sun 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-03-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16121, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-03-29T03:04:44+07:00", "utc": "2005-03-28T20:04:44Z", "ms": 1112040283958.47 }, "end": { "local": "2005-03-30T01:59:29+07:00", "utc": "2005-03-29T18:59:29Z", "ms": 1112122769332.6362 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-03-29T03:04:44+07:00", "utc": "2005-03-28T20:04:44Z", "ms": 1112040283958.47 }, "end": { "local": "2005-03-30T01:59:29+07:00", "utc": "2005-03-29T18:59:29Z", "ms": 1112122769332.6362 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-03-28", "window": { "start": { "local": "2005-03-28T20:37:54+07:00", "utc": "2005-03-28T13:37:54Z", "ms": 1112017074244.4844 }, "end": { "local": "2005-03-28T20:37:54+07:00", "utc": "2005-03-28T13:37:54Z", "ms": 1112017074244.4844 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-03-29", "window": { "start": { "local": "2005-03-29T21:30:48+07:00", "utc": "2005-03-29T14:30:48Z", "ms": 1112106648151.9587 }, "end": { "local": "2005-03-29T21:30:48+07:00", "utc": "2005-03-29T14:30:48Z", "ms": 1112106648151.9587 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:05 on Tue 29 Mar to 01:59 on Wed 30 Mar.", "fact": "2005-03-28T20:04:44Z → 2005-03-29T18:59:29Z" }, { "step": "kaala", "text": "Moonrise is at 20:38 on the 28th and 21:31 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16121 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Tuesday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-03-29", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Tuesday 29 March. Caturthī runs from 03:05 on Tue 29 Mar to 01:59 on Wed 30 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21056, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2005-04-01T20:54:10+07:00", "utc": "2005-04-01T13:54:10Z", "ms": 1112363649551.7876 }, "end": { "local": "2005-04-02T18:43:54+07:00", "utc": "2005-04-02T11:43:54Z", "ms": 1112442234350.8416 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-01T20:54:10+07:00", "utc": "2005-04-01T13:54:10Z", "ms": 1112363649551.7876 }, "end": { "local": "2005-04-02T18:43:54+07:00", "utc": "2005-04-02T11:43:54Z", "ms": 1112442234350.8416 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-01", "window": { "start": { "local": "2005-04-01T12:05:16+07:00", "utc": "2005-04-01T05:05:16Z", "ms": 1112331916327.173 }, "end": { "local": "2005-04-01T12:53:16+07:00", "utc": "2005-04-01T05:53:16Z", "ms": 1112334796327.173 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-04-02", "window": { "start": { "local": "2005-04-02T12:04:59+07:00", "utc": "2005-04-02T05:04:59Z", "ms": 1112418298522.8088 }, "end": { "local": "2005-04-02T12:52:59+07:00", "utc": "2005-04-02T05:52:59Z", "ms": 1112421178522.8088 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:54 on Fri 1 Apr to 18:44 on Sat 2 Apr.", "fact": "2005-04-01T13:54:10Z → 2005-04-02T11:43:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 1st, 12:05–12:53 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "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 21056 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Medan, 2005: Saturday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-02", "confidence": "determinate" } ], "quote": "In Medan, Śītalāṣṭamī 2005 falls on Saturday 2 April. Aṣṭamī runs from 20:54 on Fri 1 Apr to 18:44 on Sat 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-04-05", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18575, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-04-04T13:59:10+07:00", "utc": "2005-04-04T06:59:10Z", "ms": 1112597950482.929 }, "end": { "local": "2005-04-05T11:33:04+07:00", "utc": "2005-04-05T04:33:04Z", "ms": 1112675584424.5552 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-04T13:59:10+07:00", "utc": "2005-04-04T06:59:10Z", "ms": 1112597950482.929 }, "end": { "local": "2005-04-05T11:33:04+07:00", "utc": "2005-04-05T04:33:04Z", "ms": 1112675584424.5552 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-04-04", "window": { "start": { "local": "2005-04-04T06:23:53+07:00", "utc": "2005-04-03T23:23:53Z", "ms": 1112570632585.1826 }, "end": { "local": "2005-04-04T06:23:53+07:00", "utc": "2005-04-03T23:23:53Z", "ms": 1112570632585.1826 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-04-05", "window": { "start": { "local": "2005-04-05T06:23:29+07:00", "utc": "2005-04-04T23:23:29Z", "ms": 1112657009318.9673 }, "end": { "local": "2005-04-05T06:23:29+07:00", "utc": "2005-04-04T23:23:29Z", "ms": 1112657009318.9673 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:59 on Mon 4 Apr to 11:33 on Tue 5 Apr.", "fact": "2005-04-04T06:59:10Z → 2005-04-05T04:33:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 4th and 06:23 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18575 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Medan, 2005: Tuesday 5 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": "2005-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-05", "confidence": "determinate" } ], "quote": "In Medan, Pāpamocanī Ekādaśī 2005 falls on Tuesday 5 April. Ekādaśī runs from 13:59 on Mon 4 Apr to 11:33 on Tue 5 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-04-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33676, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-04-06T09:11:16+07:00", "utc": "2005-04-06T02:11:16Z", "ms": 1112753476009.3909 }, "end": { "local": "2005-04-07T06:59:37+07:00", "utc": "2005-04-06T23:59:37Z", "ms": 1112831977466.2737 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-06T09:11:16+07:00", "utc": "2005-04-06T02:11:16Z", "ms": 1112753476009.3909 }, "end": { "local": "2005-04-07T06:59:37+07:00", "utc": "2005-04-06T23:59:37Z", "ms": 1112831977466.2737 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-04-06", "window": { "start": { "local": "2005-04-06T18:32:32+07:00", "utc": "2005-04-06T11:32:32Z", "ms": 1112787151655.396 }, "end": { "local": "2005-04-06T20:07:13+07:00", "utc": "2005-04-06T13:07:13Z", "ms": 1112792833223.8003 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "2005-04-07", "window": { "start": { "local": "2005-04-07T18:32:21+07:00", "utc": "2005-04-07T11:32:21Z", "ms": 1112873540703.2305 }, "end": { "local": "2005-04-07T20:07:01+07:00", "utc": "2005-04-07T13:07:01Z", "ms": 1112879220718.2932 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:11 on Wed 6 Apr to 07:00 on Thu 7 Apr.", "fact": "2005-04-06T02:11:16Z → 2005-04-06T23:59:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:07 on the 6th, 18:32–20:07 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 95 of 95 minutes on the 6th and 0 of 95 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 33676 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Wednesday 6 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": "2005-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-06", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Wednesday 6 April. Trayodaśī runs from 09:11 on Wed 6 Apr to 07:00 on Thu 7 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-04-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15184, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-04-07T06:59:37+07:00", "utc": "2005-04-06T23:59:37Z", "ms": 1112831977466.2737 }, "end": { "local": "2005-04-08T05:04:25+07:00", "utc": "2005-04-07T22:04:25Z", "ms": 1112911465122.8906 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-07T06:59:37+07:00", "utc": "2005-04-06T23:59:37Z", "ms": 1112831977466.2737 }, "end": { "local": "2005-04-08T05:04:25+07:00", "utc": "2005-04-07T22:04:25Z", "ms": 1112911465122.8906 } }, "kaala": "nishita", "days": [ { "local_date": "2005-04-06", "window": { "start": { "local": "2005-04-07T00:03:38+07:00", "utc": "2005-04-06T17:03:38Z", "ms": 1112807017536.9116 }, "end": { "local": "2005-04-07T00:51:38+07:00", "utc": "2005-04-06T17:51:38Z", "ms": 1112809897536.9116 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-04-07", "window": { "start": { "local": "2005-04-08T00:03:21+07:00", "utc": "2005-04-07T17:03:21Z", "ms": 1112893400759.7158 }, "end": { "local": "2005-04-08T00:51:21+07:00", "utc": "2005-04-07T17:51:21Z", "ms": 1112896280759.7158 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:00 on Thu 7 Apr to 05:04 on Fri 8 Apr.", "fact": "2005-04-06T23:59:37Z → 2005-04-07T22:04:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 6th, 00:03–00:51 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15184 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Thursday 7 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": "2005-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-07", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Thursday 7 April. Caturdaśī runs from 07:00 on Thu 7 Apr to 05:04 on Fri 8 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-04-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30658, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2005-04-09T03:32:01+07:00", "utc": "2005-04-08T20:32:01Z", "ms": 1112992321127.6611 }, "end": { "local": "2005-04-10T02:28:28+07:00", "utc": "2005-04-09T19:28:28Z", "ms": 1113074907907.789 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-09T03:32:01+07:00", "utc": "2005-04-08T20:32:01Z", "ms": 1112992321127.6611 }, "end": { "local": "2005-04-10T02:28:28+07:00", "utc": "2005-04-09T19:28:28Z", "ms": 1113074907907.789 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-09", "window": { "start": { "local": "2005-04-09T12:02:59+07:00", "utc": "2005-04-09T05:02:59Z", "ms": 1113022978966.5906 }, "end": { "local": "2005-04-09T12:50:59+07:00", "utc": "2005-04-09T05:50:59Z", "ms": 1113025858966.5906 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-04-10", "window": { "start": { "local": "2005-04-10T12:02:43+07:00", "utc": "2005-04-10T05:02:43Z", "ms": 1113109362795.12 }, "end": { "local": "2005-04-10T12:50:43+07:00", "utc": "2005-04-10T05:50:43Z", "ms": 1113112242795.12 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:32 on Sat 9 Apr to 02:28 on Sun 10 Apr.", "fact": "2005-04-08T20:32:01Z → 2005-04-09T19:28:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 9th, 12:03–12:51 on the 10th.", "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 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 30658 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Medan, 2005: Saturday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-09", "confidence": "determinate" } ], "quote": "In Medan, Navarātrārambha (Caitra) (Chaitra Navratri) 2005 falls on Saturday 9 April. Pratipadā runs from 03:32 on Sat 9 Apr to 02:28 on Sun 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35720, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2005-04-11T01:58:54+07:00", "utc": "2005-04-10T18:58:54Z", "ms": 1113159534086.956 }, "end": { "local": "2005-04-12T02:06:52+07:00", "utc": "2005-04-11T19:06:52Z", "ms": 1113246411632.6873 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-11T01:58:54+07:00", "utc": "2005-04-10T18:58:54Z", "ms": 1113159534086.956 }, "end": { "local": "2005-04-12T02:06:52+07:00", "utc": "2005-04-11T19:06:52Z", "ms": 1113246411632.6873 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-11", "window": { "start": { "local": "2005-04-11T12:02:27+07:00", "utc": "2005-04-11T05:02:27Z", "ms": 1113195746891.858 }, "end": { "local": "2005-04-11T12:50:27+07:00", "utc": "2005-04-11T05:50:27Z", "ms": 1113198626891.858 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-04-12", "window": { "start": { "local": "2005-04-12T12:02:11+07:00", "utc": "2005-04-12T05:02:11Z", "ms": 1113282131270.2935 }, "end": { "local": "2005-04-12T12:50:11+07:00", "utc": "2005-04-12T05:50:11Z", "ms": 1113285011270.2935 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:59 on Mon 11 Apr to 02:07 on Tue 12 Apr.", "fact": "2005-04-10T18:58:54Z → 2005-04-11T19:06:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 11th, 12:02–12:50 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35720 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Medan, 2005: Monday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-11", "confidence": "determinate" } ], "quote": "In Medan, Gaurī Tṛtīyā (Gangaur) 2005 falls on Monday 11 April. Tṛtīyā runs from 01:59 on Mon 11 Apr to 02:07 on Tue 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35720, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2005-04-11T01:58:54+07:00", "utc": "2005-04-10T18:58:54Z", "ms": 1113159534086.956 }, "end": { "local": "2005-04-12T02:06:52+07:00", "utc": "2005-04-11T19:06:52Z", "ms": 1113246411632.6873 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-11T01:58:54+07:00", "utc": "2005-04-10T18:58:54Z", "ms": 1113159534086.956 }, "end": { "local": "2005-04-12T02:06:52+07:00", "utc": "2005-04-11T19:06:52Z", "ms": 1113246411632.6873 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-11", "window": { "start": { "local": "2005-04-11T12:02:27+07:00", "utc": "2005-04-11T05:02:27Z", "ms": 1113195746891.858 }, "end": { "local": "2005-04-11T12:50:27+07:00", "utc": "2005-04-11T05:50:27Z", "ms": 1113198626891.858 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-04-12", "window": { "start": { "local": "2005-04-12T12:02:11+07:00", "utc": "2005-04-12T05:02:11Z", "ms": 1113282131270.2935 }, "end": { "local": "2005-04-12T12:50:11+07:00", "utc": "2005-04-12T05:50:11Z", "ms": 1113285011270.2935 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:59 on Mon 11 Apr to 02:07 on Tue 12 Apr.", "fact": "2005-04-10T18:58:54Z → 2005-04-11T19:06:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 11th, 12:02–12:50 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35720 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Medan, 2005: Monday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-11", "confidence": "determinate" } ], "quote": "In Medan, Saubhāgya Śayana Vrata 2005 falls on Monday 11 April. Tṛtīyā runs from 01:59 on Mon 11 Apr to 02:07 on Tue 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-04-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32909, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-04-12T02:06:52+07:00", "utc": "2005-04-11T19:06:52Z", "ms": 1113246411632.6873 }, "end": { "local": "2005-04-13T02:53:27+07:00", "utc": "2005-04-12T19:53:27Z", "ms": 1113335607052.0605 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-12T02:06:52+07:00", "utc": "2005-04-11T19:06:52Z", "ms": 1113246411632.6873 }, "end": { "local": "2005-04-13T02:53:27+07:00", "utc": "2005-04-12T19:53:27Z", "ms": 1113335607052.0605 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-12", "window": { "start": { "local": "2005-04-12T12:02:11+07:00", "utc": "2005-04-12T05:02:11Z", "ms": 1113282131270.2935 }, "end": { "local": "2005-04-12T12:50:11+07:00", "utc": "2005-04-12T05:50:11Z", "ms": 1113285011270.2935 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-04-13", "window": { "start": { "local": "2005-04-13T12:01:56+07:00", "utc": "2005-04-13T05:01:56Z", "ms": 1113368515944.1704 }, "end": { "local": "2005-04-13T12:49:56+07:00", "utc": "2005-04-13T05:49:56Z", "ms": 1113371395944.1704 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:07 on Tue 12 Apr to 02:53 on Wed 13 Apr.", "fact": "2005-04-11T19:06:52Z → 2005-04-12T19:53:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 12th, 12:02–12:50 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32909 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Tuesday 12 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": "2005-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-12", "confidence": "determinate" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Tuesday 12 April. Caturthī runs from 02:07 on Tue 12 Apr to 02:53 on Wed 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/vinayaka-chaturthi?on=2005-04-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16876, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2005-04-14T01:38:55+07:00", "utc": "2005-04-13T18:38:55Z", "ms": 1113417534745.8438 }, "end": { "local": "2005-05-14T22:32:39+07:00", "utc": "2005-05-14T15:32:39Z", "ms": 1116084759406.6287 } }, "span": { "of": "transit", "start": { "local": "2005-04-14T01:38:55+07:00", "utc": "2005-04-13T18:38:55Z", "ms": 1113417534745.8438 }, "end": { "local": "2005-04-14T01:38:55+07:00", "utc": "2005-04-13T18:38:55Z", "ms": 1113417534745.8438 } }, "kaala": "day", "days": [ { "local_date": "2005-04-13", "window": { "start": { "local": "2005-04-13T06:20:32+07:00", "utc": "2005-04-12T23:20:32Z", "ms": 1113348031884.1316 }, "end": { "local": "2005-04-14T06:20:11+07:00", "utc": "2005-04-13T23:20:11Z", "ms": 1113434411018.0137 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2005-04-14", "window": { "start": { "local": "2005-04-14T06:20:11+07:00", "utc": "2005-04-13T23:20:11Z", "ms": 1113434411018.0137 }, "end": { "local": "2005-04-15T06:19:50+07:00", "utc": "2005-04-14T23:19:50Z", "ms": 1113520790494.5486 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 01:39 on Thu 14 Apr.", "fact": "2005-04-13T18:38:55Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:21 on the 13th, and from 06:20 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 16876 s" }, { "step": "ruling", "text": "Vaiśākhī, Medan, 2005: Wednesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2005-04-14", "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": "2005-04-14", "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 Medan, Vaiśākhī 2005 falls on Wednesday 13 April. The Sun enters Meṣa at 01:39 on Thu 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27906, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2005-04-13T02:53:27+07:00", "utc": "2005-04-12T19:53:27Z", "ms": 1113335607052.0605 }, "end": { "local": "2005-04-14T04:16:35+07:00", "utc": "2005-04-13T21:16:35Z", "ms": 1113426994779.8157 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-13T02:53:27+07:00", "utc": "2005-04-12T19:53:27Z", "ms": 1113335607052.0605 }, "end": { "local": "2005-04-14T04:16:35+07:00", "utc": "2005-04-13T21:16:35Z", "ms": 1113426994779.8157 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-13", "window": { "start": { "local": "2005-04-13T12:01:56+07:00", "utc": "2005-04-13T05:01:56Z", "ms": 1113368515944.1704 }, "end": { "local": "2005-04-13T12:49:56+07:00", "utc": "2005-04-13T05:49:56Z", "ms": 1113371395944.1704 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-04-14", "window": { "start": { "local": "2005-04-14T12:01:41+07:00", "utc": "2005-04-14T05:01:41Z", "ms": 1113454900927.4958 }, "end": { "local": "2005-04-14T12:49:41+07:00", "utc": "2005-04-14T05:49:41Z", "ms": 1113457780927.4958 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:53 on Wed 13 Apr to 04:17 on Thu 14 Apr.", "fact": "2005-04-12T19:53:27Z → 2005-04-13T21:16:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 13th, 12:02–12:50 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27906 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Medan, 2005: Wednesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-13", "confidence": "determinate" } ], "quote": "In Medan, Lakṣmī Pañcamī 2005 falls on Wednesday 13 April. Pañcamī runs from 02:53 on Wed 13 Apr to 04:17 on Thu 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4263, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2005-04-16T08:25:38+07:00", "utc": "2005-04-16T01:25:38Z", "ms": 1113614738370.4749 }, "end": { "local": "2005-04-17T10:49:55+07:00", "utc": "2005-04-17T03:49:55Z", "ms": 1113709795171.5366 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-16T08:25:38+07:00", "utc": "2005-04-16T01:25:38Z", "ms": 1113614738370.4749 }, "end": { "local": "2005-04-17T10:49:55+07:00", "utc": "2005-04-17T03:49:55Z", "ms": 1113709795171.5366 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-16", "window": { "start": { "local": "2005-04-16T12:01:12+07:00", "utc": "2005-04-16T05:01:12Z", "ms": 1113627671879.582 }, "end": { "local": "2005-04-16T12:49:12+07:00", "utc": "2005-04-16T05:49:12Z", "ms": 1113630551879.582 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-04-17", "window": { "start": { "local": "2005-04-17T12:00:58+07:00", "utc": "2005-04-17T05:00:58Z", "ms": 1113714057877.2363 }, "end": { "local": "2005-04-17T12:48:58+07:00", "utc": "2005-04-17T05:48:58Z", "ms": 1113716937877.2363 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:26 on Sat 16 Apr to 10:50 on Sun 17 Apr.", "fact": "2005-04-16T01:25:38Z → 2005-04-17T03:49:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 16th, 12:01–12:49 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4263 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Medan, 2005: Saturday 16 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": "2005-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-16", "confidence": "determinate" } ], "quote": "In Medan, Bhavānī Utpatti 2005 falls on Saturday 16 April. Aṣṭamī runs from 08:26 on Sat 16 Apr to 10:50 on Sun 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-17", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1266, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2005-04-17T10:49:55+07:00", "utc": "2005-04-17T03:49:55Z", "ms": 1113709795171.5366 }, "end": { "local": "2005-04-18T13:09:50+07:00", "utc": "2005-04-18T06:09:50Z", "ms": 1113804590253.2324 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-17T10:49:55+07:00", "utc": "2005-04-17T03:49:55Z", "ms": 1113709795171.5366 }, "end": { "local": "2005-04-18T13:09:50+07:00", "utc": "2005-04-18T06:09:50Z", "ms": 1113804590253.2324 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-17", "window": { "start": { "local": "2005-04-17T12:00:58+07:00", "utc": "2005-04-17T05:00:58Z", "ms": 1113714057877.2363 }, "end": { "local": "2005-04-17T12:48:58+07:00", "utc": "2005-04-17T05:48:58Z", "ms": 1113716937877.2363 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-04-18", "window": { "start": { "local": "2005-04-18T12:00:44+07:00", "utc": "2005-04-18T05:00:44Z", "ms": 1113800444242.034 }, "end": { "local": "2005-04-18T12:48:44+07:00", "utc": "2005-04-18T05:48:44Z", "ms": 1113803324242.034 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:50 on Sun 17 Apr to 13:10 on Mon 18 Apr.", "fact": "2005-04-17T03:49:55Z → 2005-04-18T06:09:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 17th, 12:01–12:49 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1266 s" }, { "step": "ruling", "text": "Rāma Navamī, Medan, 2005: Sunday 17 April.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2005-04-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-17", "confidence": "boundary" } ], "quote": "In Medan, Rāma Navamī 2005 falls on Sunday 17 April. Navamī runs from 10:50 on Sun 17 Apr to 13:10 on Mon 18 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-04-20", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32044, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-04-19T15:12:37+07:00", "utc": "2005-04-19T08:12:37Z", "ms": 1113898356590.8325 }, "end": { "local": "2005-04-20T16:47:49+07:00", "utc": "2005-04-20T09:47:49Z", "ms": 1113990469395.4983 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-19T15:12:37+07:00", "utc": "2005-04-19T08:12:37Z", "ms": 1113898356590.8325 }, "end": { "local": "2005-04-20T16:47:49+07:00", "utc": "2005-04-20T09:47:49Z", "ms": 1113990469395.4983 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-04-19", "window": { "start": { "local": "2005-04-19T06:18:32+07:00", "utc": "2005-04-18T23:18:32Z", "ms": 1113866312145.5928 }, "end": { "local": "2005-04-19T06:18:32+07:00", "utc": "2005-04-18T23:18:32Z", "ms": 1113866312145.5928 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-04-20", "window": { "start": { "local": "2005-04-20T06:18:14+07:00", "utc": "2005-04-19T23:18:14Z", "ms": 1113952693574.9956 }, "end": { "local": "2005-04-20T06:18:14+07:00", "utc": "2005-04-19T23:18:14Z", "ms": 1113952693574.9956 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:13 on Tue 19 Apr to 16:48 on Wed 20 Apr.", "fact": "2005-04-19T08:12:37Z → 2005-04-20T09:47:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 19th and 06:18 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 32044 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Medan, 2005: Wednesday 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": "2005-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-20", "confidence": "determinate" } ], "quote": "In Medan, Kāmadā Ekādaśī 2005 falls on Wednesday 20 April. Ekādaśī runs from 15:13 on Tue 19 Apr to 16:48 on Wed 20 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-04-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1129, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-04-21T17:48:30+07:00", "utc": "2005-04-21T10:48:30Z", "ms": 1114080509522.7344 }, "end": { "local": "2005-04-22T18:11:20+07:00", "utc": "2005-04-22T11:11:20Z", "ms": 1114168280123.018 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-21T17:48:30+07:00", "utc": "2005-04-21T10:48:30Z", "ms": 1114080509522.7344 }, "end": { "local": "2005-04-22T18:11:20+07:00", "utc": "2005-04-22T11:11:20Z", "ms": 1114168280123.018 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-04-21", "window": { "start": { "local": "2005-04-21T18:30:16+07:00", "utc": "2005-04-21T11:30:16Z", "ms": 1114083015928.43 }, "end": { "local": "2005-04-21T20:04:35+07:00", "utc": "2005-04-21T13:04:35Z", "ms": 1114088674840.3184 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2005-04-22", "window": { "start": { "local": "2005-04-22T18:30:10+07:00", "utc": "2005-04-22T11:30:10Z", "ms": 1114169409565.485 }, "end": { "local": "2005-04-22T20:04:27+07:00", "utc": "2005-04-22T13:04:27Z", "ms": 1114175067031.929 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:48 on Thu 21 Apr to 18:11 on Fri 22 Apr.", "fact": "2005-04-21T10:48:30Z → 2005-04-22T11:11:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:05 on the 21st, 18:30–20:04 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 94 of 94 minutes on the 21st and 0 of 94 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1129 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Thursday 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": "2005-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-21", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Thursday 21 April. Trayodaśī runs from 17:48 on Thu 21 Apr to 18:11 on Fri 22 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18024, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-04-21T17:48:30+07:00", "utc": "2005-04-21T10:48:30Z", "ms": 1114080509522.7344 }, "end": { "local": "2005-04-22T18:11:20+07:00", "utc": "2005-04-22T11:11:20Z", "ms": 1114168280123.018 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-21T17:48:30+07:00", "utc": "2005-04-21T10:48:30Z", "ms": 1114080509522.7344 }, "end": { "local": "2005-04-22T18:11:20+07:00", "utc": "2005-04-22T11:11:20Z", "ms": 1114168280123.018 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-21", "window": { "start": { "local": "2005-04-21T12:00:06+07:00", "utc": "2005-04-21T05:00:06Z", "ms": 1114059605685.9731 }, "end": { "local": "2005-04-21T12:48:06+07:00", "utc": "2005-04-21T05:48:06Z", "ms": 1114062485685.9731 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-04-22", "window": { "start": { "local": "2005-04-22T11:59:54+07:00", "utc": "2005-04-22T04:59:54Z", "ms": 1114145993666.5396 }, "end": { "local": "2005-04-22T12:47:54+07:00", "utc": "2005-04-22T05:47:54Z", "ms": 1114148873666.5396 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:48 on Thu 21 Apr to 18:11 on Fri 22 Apr.", "fact": "2005-04-21T10:48:30Z → 2005-04-22T11:11:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 21st, 12:00–12:48 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18024 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Medan, 2005: Friday 22 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": "2005-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-22", "confidence": "determinate" } ], "quote": "In Medan, Anaṅga Trayodaśī 2005 falls on Friday 22 April. Trayodaśī runs from 17:48 on Thu 21 Apr to 18:11 on Fri 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18523, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-04-22T18:11:20+07:00", "utc": "2005-04-22T11:11:20Z", "ms": 1114168280123.018 }, "end": { "local": "2005-04-23T17:56:25+07:00", "utc": "2005-04-23T10:56:25Z", "ms": 1114253785499.646 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-22T18:11:20+07:00", "utc": "2005-04-22T11:11:20Z", "ms": 1114168280123.018 }, "end": { "local": "2005-04-23T17:56:25+07:00", "utc": "2005-04-23T10:56:25Z", "ms": 1114253785499.646 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-22", "window": { "start": { "local": "2005-04-22T11:59:54+07:00", "utc": "2005-04-22T04:59:54Z", "ms": 1114145993666.5396 }, "end": { "local": "2005-04-22T12:47:54+07:00", "utc": "2005-04-22T05:47:54Z", "ms": 1114148873666.5396 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-04-23", "window": { "start": { "local": "2005-04-23T11:59:42+07:00", "utc": "2005-04-23T04:59:42Z", "ms": 1114232382088.4397 }, "end": { "local": "2005-04-23T12:47:42+07:00", "utc": "2005-04-23T05:47:42Z", "ms": 1114235262088.4397 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:11 on Fri 22 Apr to 17:56 on Sat 23 Apr.", "fact": "2005-04-22T11:11:20Z → 2005-04-23T10:56:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 22nd, 12:00–12:48 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18523 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Medan, 2005: Saturday 23 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": "2005-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-23", "confidence": "determinate" } ], "quote": "In Medan, Viṣṇudamanaka Caturdaśī 2005 falls on Saturday 23 April. Caturdaśī runs from 18:11 on Fri 22 Apr to 17:56 on Sat 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15538, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-04-23T17:56:25+07:00", "utc": "2005-04-23T10:56:25Z", "ms": 1114253785499.646 }, "end": { "local": "2005-04-24T17:06:29+07:00", "utc": "2005-04-24T10:06:29Z", "ms": 1114337188849.0203 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2005-04-23T17:56:25+07:00", "utc": "2005-04-23T10:56:25Z", "ms": 1114253785499.646 }, "end": { "local": "2005-04-24T17:06:29+07:00", "utc": "2005-04-24T10:06:29Z", "ms": 1114337188849.0203 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-04-23", "window": { "start": { "local": "2005-04-23T11:59:42+07:00", "utc": "2005-04-23T04:59:42Z", "ms": 1114232382088.4397 }, "end": { "local": "2005-04-23T12:47:42+07:00", "utc": "2005-04-23T05:47:42Z", "ms": 1114235262088.4397 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-04-24", "window": { "start": { "local": "2005-04-24T11:59:31+07:00", "utc": "2005-04-24T04:59:31Z", "ms": 1114318770966.8616 }, "end": { "local": "2005-04-24T12:47:31+07:00", "utc": "2005-04-24T05:47:31Z", "ms": 1114321650966.8616 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:56 on Sat 23 Apr to 17:06 on Sun 24 Apr.", "fact": "2005-04-23T10:56:25Z → 2005-04-24T10:06:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 23rd, 12:00–12:48 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15538 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Medan, 2005: Sunday 24 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": "2005-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-24", "confidence": "determinate" } ], "quote": "In Medan, Caitrī Pūrṇimā 2005 falls on Sunday 24 April. Pūrṇimā runs from 17:56 on Sat 23 Apr to 17:06 on Sun 24 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-04-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33836, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-04-27T11:57:00+07:00", "utc": "2005-04-27T04:57:00Z", "ms": 1114577820313.775 }, "end": { "local": "2005-04-28T09:40:41+07:00", "utc": "2005-04-28T02:40:41Z", "ms": 1114656041283.2773 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-04-27T11:57:00+07:00", "utc": "2005-04-27T04:57:00Z", "ms": 1114577820313.775 }, "end": { "local": "2005-04-28T09:40:41+07:00", "utc": "2005-04-28T02:40:41Z", "ms": 1114656041283.2773 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-04-27", "window": { "start": { "local": "2005-04-27T21:20:56+07:00", "utc": "2005-04-27T14:20:56Z", "ms": 1114611655849.5588 }, "end": { "local": "2005-04-27T21:20:56+07:00", "utc": "2005-04-27T14:20:56Z", "ms": 1114611655849.5588 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-04-28", "window": { "start": { "local": "2005-04-28T22:24:16+07:00", "utc": "2005-04-28T15:24:16Z", "ms": 1114701856314.5435 }, "end": { "local": "2005-04-28T22:24:16+07:00", "utc": "2005-04-28T15:24:16Z", "ms": 1114701856314.5435 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:57 on Wed 27 Apr to 09:41 on Thu 28 Apr.", "fact": "2005-04-27T04:57:00Z → 2005-04-28T02:40:41Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 27th and 22:24 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33836 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Wednesday 27 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": "2005-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-04-27", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Wednesday 27 April. Caturthī runs from 11:57 on Wed 27 Apr to 09:41 on Thu 28 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ekadashi?on=2005-05-04", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35496, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-05-03T20:23:11+07:00", "utc": "2005-05-03T13:23:11Z", "ms": 1115126591240.3123 }, "end": { "local": "2005-05-04T18:47:18+07:00", "utc": "2005-05-04T11:47:18Z", "ms": 1115207237628.9753 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-03T20:23:11+07:00", "utc": "2005-05-03T13:23:11Z", "ms": 1115126591240.3123 }, "end": { "local": "2005-05-04T18:47:18+07:00", "utc": "2005-05-04T11:47:18Z", "ms": 1115207237628.9753 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-05-04", "window": { "start": { "local": "2005-05-04T06:14:47+07:00", "utc": "2005-05-03T23:14:47Z", "ms": 1115162086993.8127 }, "end": { "local": "2005-05-04T06:14:47+07:00", "utc": "2005-05-03T23:14:47Z", "ms": 1115162086993.8127 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-05-05", "window": { "start": { "local": "2005-05-05T06:14:37+07:00", "utc": "2005-05-04T23:14:37Z", "ms": 1115248476608.2012 }, "end": { "local": "2005-05-05T06:14:37+07:00", "utc": "2005-05-04T23:14:37Z", "ms": 1115248476608.2012 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:23 on Tue 3 May to 18:47 on Wed 4 May.", "fact": "2005-05-03T13:23:11Z → 2005-05-04T11:47:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 4th and 06:15 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 35496 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Medan, 2005: Wednesday 4 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": "2005-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-04", "confidence": "determinate" } ], "quote": "In Medan, Varūthinī Ekādaśī 2005 falls on Wednesday 4 May. Ekādaśī runs from 20:23 on Tue 3 May to 18:47 on Wed 4 May and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-05-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3630, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-05-05T17:28:58+07:00", "utc": "2005-05-05T10:28:58Z", "ms": 1115288938395.902 }, "end": { "local": "2005-05-06T16:30:44+07:00", "utc": "2005-05-06T09:30:44Z", "ms": 1115371844017.1675 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-05T17:28:58+07:00", "utc": "2005-05-05T10:28:58Z", "ms": 1115288938395.902 }, "end": { "local": "2005-05-06T16:30:44+07:00", "utc": "2005-05-06T09:30:44Z", "ms": 1115371844017.1675 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-05-05", "window": { "start": { "local": "2005-05-05T18:29:29+07:00", "utc": "2005-05-05T11:29:29Z", "ms": 1115292568565.3499 }, "end": { "local": "2005-05-05T20:03:28+07:00", "utc": "2005-05-05T13:03:28Z", "ms": 1115298208337.0935 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2005-05-06", "window": { "start": { "local": "2005-05-06T18:29:29+07:00", "utc": "2005-05-06T11:29:29Z", "ms": 1115378968910.796 }, "end": { "local": "2005-05-06T20:03:27+07:00", "utc": "2005-05-06T13:03:27Z", "ms": 1115384607420.3403 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:29 on Thu 5 May to 16:31 on Fri 6 May.", "fact": "2005-05-05T10:28:58Z → 2005-05-06T09:30:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–20:03 on the 5th, 18:29–20:03 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 5th and 0 of 94 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 3630 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Thursday 5 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": "2005-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-05", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Thursday 5 May. Trayodaśī runs from 17:29 on Thu 5 May to 16:31 on Fri 6 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-05-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26829, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-05-06T16:30:44+07:00", "utc": "2005-05-06T09:30:44Z", "ms": 1115371844017.1675 }, "end": { "local": "2005-05-07T15:55:17+07:00", "utc": "2005-05-07T08:55:17Z", "ms": 1115456117425.3093 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-06T16:30:44+07:00", "utc": "2005-05-06T09:30:44Z", "ms": 1115371844017.1675 }, "end": { "local": "2005-05-07T15:55:17+07:00", "utc": "2005-05-07T08:55:17Z", "ms": 1115456117425.3093 } }, "kaala": "nishita", "days": [ { "local_date": "2005-05-06", "window": { "start": { "local": "2005-05-06T23:57:53+07:00", "utc": "2005-05-06T16:57:53Z", "ms": 1115398673321.5874 }, "end": { "local": "2005-05-07T00:45:53+07:00", "utc": "2005-05-06T17:45:53Z", "ms": 1115401553321.5874 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-05-07", "window": { "start": { "local": "2005-05-07T23:57:50+07:00", "utc": "2005-05-07T16:57:50Z", "ms": 1115485069507.6323 }, "end": { "local": "2005-05-08T00:45:50+07:00", "utc": "2005-05-07T17:45:50Z", "ms": 1115487949507.6323 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:31 on Fri 6 May to 15:55 on Sat 7 May.", "fact": "2005-05-06T09:30:44Z → 2005-05-07T08:55:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:58–00:46 on the 6th, 23:58–00:46 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26829 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Friday 6 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": "2005-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-06", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Friday 6 May. Caturdaśī runs from 16:31 on Fri 6 May to 15:55 on Sat 7 May and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1179, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2005-05-10T16:51:53+07:00", "utc": "2005-05-10T09:51:53Z", "ms": 1115718712864.0527 }, "end": { "local": "2005-05-11T18:10:00+07:00", "utc": "2005-05-11T11:10:00Z", "ms": 1115809799703.8179 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-10T16:51:53+07:00", "utc": "2005-05-10T09:51:53Z", "ms": 1115718712864.0527 }, "end": { "local": "2005-05-11T18:10:00+07:00", "utc": "2005-05-11T11:10:00Z", "ms": 1115809799703.8179 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-05-10", "window": { "start": { "local": "2005-05-10T18:29:35+07:00", "utc": "2005-05-10T11:29:35Z", "ms": 1115724575379.671 }, "end": { "local": "2005-05-10T20:03:29+07:00", "utc": "2005-05-10T13:03:29Z", "ms": 1115730209010.186 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2005-05-11", "window": { "start": { "local": "2005-05-11T18:29:38+07:00", "utc": "2005-05-11T11:29:38Z", "ms": 1115810978247.9714 }, "end": { "local": "2005-05-11T20:03:31+07:00", "utc": "2005-05-11T13:03:31Z", "ms": 1115816610703.9524 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:52 on Tue 10 May to 18:10 on Wed 11 May.", "fact": "2005-05-10T09:51:53Z → 2005-05-11T11:10:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:03 on the 10th, 18:30–20:04 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 94 of 94 minutes on the 10th and 0 of 94 on the 11th.", "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 1179 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Medan, 2005: Tuesday 10 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-10", "confidence": "determinate" } ], "quote": "In Medan, Paraśurāma Jayantī 2005 falls on Tuesday 10 May. Tṛtīyā runs from 16:52 on Tue 10 May to 18:10 on Wed 11 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23565, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2005-05-10T16:51:53+07:00", "utc": "2005-05-10T09:51:53Z", "ms": 1115718712864.0527 }, "end": { "local": "2005-05-11T18:10:00+07:00", "utc": "2005-05-11T11:10:00Z", "ms": 1115809799703.8179 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-10T16:51:53+07:00", "utc": "2005-05-10T09:51:53Z", "ms": 1115718712864.0527 }, "end": { "local": "2005-05-11T18:10:00+07:00", "utc": "2005-05-11T11:10:00Z", "ms": 1115809799703.8179 } }, "kaala": "purvahna", "days": [ { "local_date": "2005-05-10", "window": { "start": { "local": "2005-05-10T06:13:54+07:00", "utc": "2005-05-09T23:13:54Z", "ms": 1115680434184.9214 }, "end": { "local": "2005-05-10T10:19:08+07:00", "utc": "2005-05-10T03:19:08Z", "ms": 1115695147916.5046 } }, "covered_min": 0, "window_min": 245, "qualifies": false }, { "local_date": "2005-05-11", "window": { "start": { "local": "2005-05-11T06:13:48+07:00", "utc": "2005-05-10T23:13:48Z", "ms": 1115766827608.5347 }, "end": { "local": "2005-05-11T10:19:04+07:00", "utc": "2005-05-11T03:19:04Z", "ms": 1115781544488.347 } }, "covered_min": 245, "window_min": 245, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:52 on Tue 10 May to 18:10 on Wed 11 May.", "fact": "2005-05-10T09:51:53Z → 2005-05-11T11:10:00Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:14–10:19 on the 10th, 06:14–10:19 on the 11th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 245 minutes on the 10th and 245 of 245 on the 11th.", "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 23565 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Medan, 2005: Wednesday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-11", "confidence": "determinate" } ], "quote": "In Medan, Akṣaya Tṛtīyā 2005 falls on Wednesday 11 May. Tṛtīyā runs from 16:52 on Tue 10 May to 18:10 on Wed 11 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-05-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19457, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-05-11T18:10:00+07:00", "utc": "2005-05-11T11:10:00Z", "ms": 1115809799703.8179 }, "end": { "local": "2005-05-12T19:55:46+07:00", "utc": "2005-05-12T12:55:46Z", "ms": 1115902546149.311 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-11T18:10:00+07:00", "utc": "2005-05-11T11:10:00Z", "ms": 1115809799703.8179 }, "end": { "local": "2005-05-12T19:55:46+07:00", "utc": "2005-05-12T12:55:46Z", "ms": 1115902546149.311 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-05-11", "window": { "start": { "local": "2005-05-11T11:57:43+07:00", "utc": "2005-05-11T04:57:43Z", "ms": 1115787462928.253 }, "end": { "local": "2005-05-11T12:45:43+07:00", "utc": "2005-05-11T05:45:43Z", "ms": 1115790342928.253 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-05-12", "window": { "start": { "local": "2005-05-12T11:57:42+07:00", "utc": "2005-05-12T04:57:42Z", "ms": 1115873861637.271 }, "end": { "local": "2005-05-12T12:45:42+07:00", "utc": "2005-05-12T05:45:42Z", "ms": 1115876741637.271 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:10 on Wed 11 May to 19:56 on Thu 12 May.", "fact": "2005-05-11T11:10:00Z → 2005-05-12T12:55:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 11th, 11:58–12:46 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19457 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Thursday 12 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": "2005-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-12", "confidence": "determinate" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Thursday 12 May. Caturthī runs from 18:10 on Wed 11 May to 19:56 on Thu 12 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/vinayaka-chaturthi?on=2005-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25805, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2005-05-12T19:55:46+07:00", "utc": "2005-05-12T12:55:46Z", "ms": 1115902546149.311 }, "end": { "local": "2005-05-13T22:03:47+07:00", "utc": "2005-05-13T15:03:47Z", "ms": 1115996626501.0637 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-12T19:55:46+07:00", "utc": "2005-05-12T12:55:46Z", "ms": 1115902546149.311 }, "end": { "local": "2005-05-13T22:03:47+07:00", "utc": "2005-05-13T15:03:47Z", "ms": 1115996626501.0637 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-05-12", "window": { "start": { "local": "2005-05-12T11:57:42+07:00", "utc": "2005-05-12T04:57:42Z", "ms": 1115873861637.271 }, "end": { "local": "2005-05-12T12:45:42+07:00", "utc": "2005-05-12T05:45:42Z", "ms": 1115876741637.271 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-05-13", "window": { "start": { "local": "2005-05-13T11:57:41+07:00", "utc": "2005-05-13T04:57:41Z", "ms": 1115960260906.1372 }, "end": { "local": "2005-05-13T12:45:41+07:00", "utc": "2005-05-13T05:45:41Z", "ms": 1115963140906.1372 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:56 on Thu 12 May to 22:04 on Fri 13 May.", "fact": "2005-05-12T12:55:46Z → 2005-05-13T15:03:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 12th, 11:58–12:46 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25805 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Medan, 2005: Friday 13 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-13", "confidence": "determinate" } ], "quote": "In Medan, Śaṅkara Jayantī 2005 falls on Friday 13 May. Pañcamī runs from 19:56 on Thu 12 May to 22:04 on Fri 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32955, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2005-05-15T00:25:13+07:00", "utc": "2005-05-14T17:25:13Z", "ms": 1116091513339.579 }, "end": { "local": "2005-05-16T02:48:27+07:00", "utc": "2005-05-15T19:48:27Z", "ms": 1116186506559.244 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-15T00:25:13+07:00", "utc": "2005-05-14T17:25:13Z", "ms": 1116091513339.579 }, "end": { "local": "2005-05-16T02:48:27+07:00", "utc": "2005-05-15T19:48:27Z", "ms": 1116186506559.244 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-05-15", "window": { "start": { "local": "2005-05-15T11:57:41+07:00", "utc": "2005-05-15T04:57:41Z", "ms": 1116133061109.211 }, "end": { "local": "2005-05-15T12:45:41+07:00", "utc": "2005-05-15T05:45:41Z", "ms": 1116135941109.211 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-05-16", "window": { "start": { "local": "2005-05-16T11:57:42+07:00", "utc": "2005-05-16T04:57:42Z", "ms": 1116219462035.606 }, "end": { "local": "2005-05-16T12:45:42+07:00", "utc": "2005-05-16T05:45:42Z", "ms": 1116222342035.606 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:25 on Sun 15 May to 02:48 on Mon 16 May.", "fact": "2005-05-14T17:25:13Z → 2005-05-15T19:48:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 15th, 11:58–12:46 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32955 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Medan, 2005: Sunday 15 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": "2005-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-15", "confidence": "determinate" } ], "quote": "In Medan, Gaṅgotpatti (Ganga Saptami) 2005 falls on Sunday 15 May. Saptamī runs from 00:25 on Sun 15 May to 02:48 on Mon 16 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-05-20", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6377, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-05-19T07:59:34+07:00", "utc": "2005-05-19T00:59:34Z", "ms": 1116464374435.844 }, "end": { "local": "2005-05-20T08:29:14+07:00", "utc": "2005-05-20T01:29:14Z", "ms": 1116552554449.8088 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-19T07:59:34+07:00", "utc": "2005-05-19T00:59:34Z", "ms": 1116464374435.844 }, "end": { "local": "2005-05-20T08:29:14+07:00", "utc": "2005-05-20T01:29:14Z", "ms": 1116552554449.8088 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-05-19", "window": { "start": { "local": "2005-05-19T06:13:18+07:00", "utc": "2005-05-18T23:13:18Z", "ms": 1116457997772.0513 }, "end": { "local": "2005-05-19T06:13:18+07:00", "utc": "2005-05-18T23:13:18Z", "ms": 1116457997772.0513 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-05-20", "window": { "start": { "local": "2005-05-20T06:13:17+07:00", "utc": "2005-05-19T23:13:17Z", "ms": 1116544396861.2236 }, "end": { "local": "2005-05-20T06:13:17+07:00", "utc": "2005-05-19T23:13:17Z", "ms": 1116544396861.2236 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:00 on Thu 19 May to 08:29 on Fri 20 May.", "fact": "2005-05-19T00:59:34Z → 2005-05-20T01:29:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 19th and 06:13 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6377 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Medan, 2005: Friday 20 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": "2005-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-20", "confidence": "determinate" } ], "quote": "In Medan, Mohinī Ekādaśī 2005 falls on Friday 20 May. Ekādaśī runs from 08:00 on Thu 19 May to 08:29 on Fri 20 May and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12517, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2005-05-20T08:29:14+07:00", "utc": "2005-05-20T01:29:14Z", "ms": 1116552554449.8088 }, "end": { "local": "2005-05-21T08:13:27+07:00", "utc": "2005-05-21T01:13:27Z", "ms": 1116638006988.0845 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-20T08:29:14+07:00", "utc": "2005-05-20T01:29:14Z", "ms": 1116552554449.8088 }, "end": { "local": "2005-05-21T08:13:27+07:00", "utc": "2005-05-21T01:13:27Z", "ms": 1116638006988.0845 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-05-20", "window": { "start": { "local": "2005-05-20T11:57:51+07:00", "utc": "2005-05-20T04:57:51Z", "ms": 1116565071136.4912 }, "end": { "local": "2005-05-20T12:45:51+07:00", "utc": "2005-05-20T05:45:51Z", "ms": 1116567951136.4912 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-05-21", "window": { "start": { "local": "2005-05-21T11:57:55+07:00", "utc": "2005-05-21T04:57:55Z", "ms": 1116651474736.5713 }, "end": { "local": "2005-05-21T12:45:55+07:00", "utc": "2005-05-21T05:45:55Z", "ms": 1116654354736.5713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:29 on Fri 20 May to 08:13 on Sat 21 May.", "fact": "2005-05-20T01:29:14Z → 2005-05-21T01:13:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 20th, 11:58–12:46 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12517 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Medan, 2005: Friday 20 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": "2005-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-20", "confidence": "determinate" } ], "quote": "In Medan, Paraśurāma Dvādaśī 2005 falls on Friday 20 May. Dvādaśī runs from 08:29 on Fri 20 May to 08:13 on Sat 21 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12517, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2005-05-20T08:29:14+07:00", "utc": "2005-05-20T01:29:14Z", "ms": 1116552554449.8088 }, "end": { "local": "2005-05-21T08:13:27+07:00", "utc": "2005-05-21T01:13:27Z", "ms": 1116638006988.0845 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-20T08:29:14+07:00", "utc": "2005-05-20T01:29:14Z", "ms": 1116552554449.8088 }, "end": { "local": "2005-05-21T08:13:27+07:00", "utc": "2005-05-21T01:13:27Z", "ms": 1116638006988.0845 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-05-20", "window": { "start": { "local": "2005-05-20T11:57:51+07:00", "utc": "2005-05-20T04:57:51Z", "ms": 1116565071136.4912 }, "end": { "local": "2005-05-20T12:45:51+07:00", "utc": "2005-05-20T05:45:51Z", "ms": 1116567951136.4912 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-05-21", "window": { "start": { "local": "2005-05-21T11:57:55+07:00", "utc": "2005-05-21T04:57:55Z", "ms": 1116651474736.5713 }, "end": { "local": "2005-05-21T12:45:55+07:00", "utc": "2005-05-21T05:45:55Z", "ms": 1116654354736.5713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:29 on Fri 20 May to 08:13 on Sat 21 May.", "fact": "2005-05-20T01:29:14Z → 2005-05-21T01:13:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 20th, 11:58–12:46 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12517 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Medan, 2005: Friday 20 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": "2005-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-20", "confidence": "determinate" } ], "quote": "In Medan, Rukmiṇī Dvādaśī 2005 falls on Friday 20 May. Dvādaśī runs from 08:29 on Fri 20 May to 08:13 on Sat 21 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/pradosha-vrata?on=2005-05-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37026, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-05-21T08:13:27+07:00", "utc": "2005-05-21T01:13:27Z", "ms": 1116638006988.0845 }, "end": { "local": "2005-05-22T07:13:08+07:00", "utc": "2005-05-22T00:13:08Z", "ms": 1116720787850.4182 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-21T08:13:27+07:00", "utc": "2005-05-21T01:13:27Z", "ms": 1116638006988.0845 }, "end": { "local": "2005-05-22T07:13:08+07:00", "utc": "2005-05-22T00:13:08Z", "ms": 1116720787850.4182 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-05-21", "window": { "start": { "local": "2005-05-21T18:30:33+07:00", "utc": "2005-05-21T11:30:33Z", "ms": 1116675032904.7905 }, "end": { "local": "2005-05-21T20:04:15+07:00", "utc": "2005-05-21T13:04:15Z", "ms": 1116680654769.567 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2005-05-22", "window": { "start": { "local": "2005-05-22T18:30:41+07:00", "utc": "2005-05-22T11:30:41Z", "ms": 1116761440823.1155 }, "end": { "local": "2005-05-22T20:04:22+07:00", "utc": "2005-05-22T13:04:22Z", "ms": 1116767061756.7227 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:13 on Sat 21 May to 07:13 on Sun 22 May.", "fact": "2005-05-21T01:13:27Z → 2005-05-22T00:13:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:04 on the 21st, 18:31–20:04 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 94 of 94 minutes on the 21st and 0 of 94 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37026 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Saturday 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": "2005-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-21", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Saturday 21 May. Trayodaśī runs from 08:13 on Sat 21 May to 07:13 on Sun 22 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-05-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34088, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-05-22T07:13:08+07:00", "utc": "2005-05-22T00:13:08Z", "ms": 1116720787850.4182 }, "end": { "local": "2005-05-23T05:32:30+07:00", "utc": "2005-05-22T22:32:30Z", "ms": 1116801149866.5813 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-22T07:13:08+07:00", "utc": "2005-05-22T00:13:08Z", "ms": 1116720787850.4182 }, "end": { "local": "2005-05-23T05:32:30+07:00", "utc": "2005-05-22T22:32:30Z", "ms": 1116801149866.5813 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-05-21", "window": { "start": { "local": "2005-05-21T18:30:33+07:00", "utc": "2005-05-21T11:30:33Z", "ms": 1116675032904.7905 }, "end": { "local": "2005-05-21T20:04:15+07:00", "utc": "2005-05-21T13:04:15Z", "ms": 1116680654769.567 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2005-05-22", "window": { "start": { "local": "2005-05-22T18:30:41+07:00", "utc": "2005-05-22T11:30:41Z", "ms": 1116761440823.1155 }, "end": { "local": "2005-05-22T20:04:22+07:00", "utc": "2005-05-22T13:04:22Z", "ms": 1116767061756.7227 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:13 on Sun 22 May to 05:32 on Mon 23 May.", "fact": "2005-05-22T00:13:08Z → 2005-05-22T22:32:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:04 on the 21st, 18:31–20:04 on the 22nd.", "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 94 minutes on the 21st and 94 of 94 on the 22nd.", "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 34088 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Medan, 2005: Sunday 22 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": "2005-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-22", "confidence": "determinate" } ], "quote": "In Medan, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2005 falls on Sunday 22 May. Caturdaśī runs from 07:13 on Sun 22 May to 05:32 on Mon 23 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23134, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-05-23T05:32:30+07:00", "utc": "2005-05-22T22:32:30Z", "ms": 1116801149866.5813 }, "end": { "local": "2005-05-24T03:18:10+07:00", "utc": "2005-05-23T20:18:10Z", "ms": 1116879489829.0532 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-23T05:32:30+07:00", "utc": "2005-05-22T22:32:30Z", "ms": 1116801149866.5813 }, "end": { "local": "2005-05-24T03:18:10+07:00", "utc": "2005-05-23T20:18:10Z", "ms": 1116879489829.0532 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-05-23", "window": { "start": { "local": "2005-05-23T11:58:03+07:00", "utc": "2005-05-23T04:58:03Z", "ms": 1116824283492.5366 }, "end": { "local": "2005-05-23T12:46:03+07:00", "utc": "2005-05-23T05:46:03Z", "ms": 1116827163492.5366 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-05-24", "window": { "start": { "local": "2005-05-24T11:58:09+07:00", "utc": "2005-05-24T04:58:09Z", "ms": 1116910688638.6382 }, "end": { "local": "2005-05-24T12:46:09+07:00", "utc": "2005-05-24T05:46:09Z", "ms": 1116913568638.6382 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:32 on Mon 23 May to 03:18 on Tue 24 May.", "fact": "2005-05-22T22:32:30Z → 2005-05-23T20:18:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 23rd, 11:58–12:46 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23134 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Medan, 2005: Monday 23 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": "2005-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-23", "confidence": "determinate" } ], "quote": "In Medan, Buddha Pūrṇimā 2005 falls on Monday 23 May. Pūrṇimā runs from 05:32 on Mon 23 May to 03:18 on Tue 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23134, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-05-23T05:32:30+07:00", "utc": "2005-05-22T22:32:30Z", "ms": 1116801149866.5813 }, "end": { "local": "2005-05-24T03:18:10+07:00", "utc": "2005-05-23T20:18:10Z", "ms": 1116879489829.0532 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-23T05:32:30+07:00", "utc": "2005-05-22T22:32:30Z", "ms": 1116801149866.5813 }, "end": { "local": "2005-05-24T03:18:10+07:00", "utc": "2005-05-23T20:18:10Z", "ms": 1116879489829.0532 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-05-23", "window": { "start": { "local": "2005-05-23T11:58:03+07:00", "utc": "2005-05-23T04:58:03Z", "ms": 1116824283492.5366 }, "end": { "local": "2005-05-23T12:46:03+07:00", "utc": "2005-05-23T05:46:03Z", "ms": 1116827163492.5366 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-05-24", "window": { "start": { "local": "2005-05-24T11:58:09+07:00", "utc": "2005-05-24T04:58:09Z", "ms": 1116910688638.6382 }, "end": { "local": "2005-05-24T12:46:09+07:00", "utc": "2005-05-24T05:46:09Z", "ms": 1116913568638.6382 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:32 on Mon 23 May to 03:18 on Tue 24 May.", "fact": "2005-05-22T22:32:30Z → 2005-05-23T20:18:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 23rd, 11:58–12:46 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23134 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Medan, 2005: Monday 23 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": "2005-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-23", "confidence": "determinate" } ], "quote": "In Medan, Sampat Gaurī Vrata 2005 falls on Monday 23 May. Pūrṇimā runs from 05:32 on Mon 23 May to 03:18 on Tue 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-05-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9535, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-05-26T18:37:42+07:00", "utc": "2005-05-26T11:37:42Z", "ms": 1117107461633.5151 }, "end": { "local": "2005-05-27T15:34:50+07:00", "utc": "2005-05-27T08:34:50Z", "ms": 1117182889692.3782 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-05-26T18:37:42+07:00", "utc": "2005-05-26T11:37:42Z", "ms": 1117107461633.5151 }, "end": { "local": "2005-05-27T15:34:50+07:00", "utc": "2005-05-27T08:34:50Z", "ms": 1117182889692.3782 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-05-26", "window": { "start": { "local": "2005-05-26T21:16:37+07:00", "utc": "2005-05-26T14:16:37Z", "ms": 1117116996717.3906 }, "end": { "local": "2005-05-26T21:16:37+07:00", "utc": "2005-05-26T14:16:37Z", "ms": 1117116996717.3906 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-05-27", "window": { "start": { "local": "2005-05-27T22:19:17+07:00", "utc": "2005-05-27T15:19:17Z", "ms": 1117207157434.259 }, "end": { "local": "2005-05-27T22:19:17+07:00", "utc": "2005-05-27T15:19:17Z", "ms": 1117207157434.259 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:38 on Thu 26 May to 15:35 on Fri 27 May.", "fact": "2005-05-26T11:37:42Z → 2005-05-27T08:34:50Z" }, { "step": "kaala", "text": "Moonrise is at 21:17 on the 26th and 22:19 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9535 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Thursday 26 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": "2005-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-05-26", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Thursday 26 May. Caturthī runs from 18:38 on Thu 26 May to 15:35 on Fri 27 May and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ekadashi?on=2005-06-02", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9789, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-06-02T03:30:50+07:00", "utc": "2005-06-01T20:30:50Z", "ms": 1117657850495.394 }, "end": { "local": "2005-06-03T02:58:52+07:00", "utc": "2005-06-02T19:58:52Z", "ms": 1117742332042.8284 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-02T03:30:50+07:00", "utc": "2005-06-01T20:30:50Z", "ms": 1117657850495.394 }, "end": { "local": "2005-06-03T02:58:52+07:00", "utc": "2005-06-02T19:58:52Z", "ms": 1117742332042.8284 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-06-02", "window": { "start": { "local": "2005-06-02T06:14:00+07:00", "utc": "2005-06-01T23:14:00Z", "ms": 1117667639819.8655 }, "end": { "local": "2005-06-02T06:14:00+07:00", "utc": "2005-06-01T23:14:00Z", "ms": 1117667639819.8655 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-06-03", "window": { "start": { "local": "2005-06-03T06:14:07+07:00", "utc": "2005-06-02T23:14:07Z", "ms": 1117754047088.4724 }, "end": { "local": "2005-06-03T06:14:07+07:00", "utc": "2005-06-02T23:14:07Z", "ms": 1117754047088.4724 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:31 on Thu 2 Jun to 02:59 on Fri 3 Jun.", "fact": "2005-06-01T20:30:50Z → 2005-06-02T19:58:52Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 2nd and 06:14 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9789 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Medan, 2005: Thursday 2 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": "2005-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-02", "confidence": "determinate" } ], "quote": "In Medan, Aparā Ekādaśī 2005 falls on Thursday 2 June. Ekādaśī runs from 03:31 on Thu 2 Jun to 02:59 on Fri 3 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-06-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24354, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-06-04T02:52:12+07:00", "utc": "2005-06-03T19:52:12Z", "ms": 1117828331646.4294 }, "end": { "local": "2005-06-05T03:09:46+07:00", "utc": "2005-06-04T20:09:46Z", "ms": 1117915785787.8247 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-04T02:52:12+07:00", "utc": "2005-06-03T19:52:12Z", "ms": 1117828331646.4294 }, "end": { "local": "2005-06-05T03:09:46+07:00", "utc": "2005-06-04T20:09:46Z", "ms": 1117915785787.8247 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-06-03", "window": { "start": { "local": "2005-06-03T18:32:46+07:00", "utc": "2005-06-03T11:32:46Z", "ms": 1117798365789.2722 }, "end": { "local": "2005-06-03T20:06:18+07:00", "utc": "2005-06-03T13:06:18Z", "ms": 1117803977665.005 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2005-06-04", "window": { "start": { "local": "2005-06-04T18:32:58+07:00", "utc": "2005-06-04T11:32:58Z", "ms": 1117884778282.1765 }, "end": { "local": "2005-06-04T20:06:30+07:00", "utc": "2005-06-04T13:06:30Z", "ms": 1117890389592.0828 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:52 on Sat 4 Jun to 03:10 on Sun 5 Jun.", "fact": "2005-06-03T19:52:12Z → 2005-06-04T20:09:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:06 on the 3rd, 18:33–20:06 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 3rd and 94 of 94 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24354 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Saturday 4 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": "2005-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-04", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Saturday 4 June. Trayodaśī runs from 02:52 on Sat 4 Jun to 03:10 on Sun 5 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-06-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8525, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-06-05T03:09:46+07:00", "utc": "2005-06-04T20:09:46Z", "ms": 1117915785787.8247 }, "end": { "local": "2005-06-06T03:50:52+07:00", "utc": "2005-06-05T20:50:52Z", "ms": 1118004651608.842 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-05T03:09:46+07:00", "utc": "2005-06-04T20:09:46Z", "ms": 1117915785787.8247 }, "end": { "local": "2005-06-06T03:50:52+07:00", "utc": "2005-06-05T20:50:52Z", "ms": 1118004651608.842 } }, "kaala": "nishita", "days": [ { "local_date": "2005-06-04", "window": { "start": { "local": "2005-06-04T23:59:41+07:00", "utc": "2005-06-04T16:59:41Z", "ms": 1117904380694.325 }, "end": { "local": "2005-06-05T00:47:41+07:00", "utc": "2005-06-04T17:47:41Z", "ms": 1117907260694.325 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-06-05", "window": { "start": { "local": "2005-06-05T23:59:51+07:00", "utc": "2005-06-05T16:59:51Z", "ms": 1117990791409.2827 }, "end": { "local": "2005-06-06T00:47:51+07:00", "utc": "2005-06-05T17:47:51Z", "ms": 1117993671409.2827 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:10 on Sun 5 Jun to 03:51 on Mon 6 Jun.", "fact": "2005-06-04T20:09:46Z → 2005-06-05T20:50:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:00–00:48 on the 4th, 00:00–00:48 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8525 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Sunday 5 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": "2005-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-05", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Sunday 5 June. Caturdaśī runs from 03:10 on Sun 5 Jun to 03:51 on Mon 6 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6161, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2005-06-09T08:10:39+07:00", "utc": "2005-06-09T01:10:39Z", "ms": 1118279438545.028 }, "end": { "local": "2005-06-10T10:18:03+07:00", "utc": "2005-06-10T03:18:03Z", "ms": 1118373482970.29 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-09T08:10:39+07:00", "utc": "2005-06-09T01:10:39Z", "ms": 1118279438545.028 }, "end": { "local": "2005-06-10T10:18:03+07:00", "utc": "2005-06-10T03:18:03Z", "ms": 1118373482970.29 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-06-09", "window": { "start": { "local": "2005-06-09T12:00:32+07:00", "utc": "2005-06-09T05:00:32Z", "ms": 1118293232076.4512 }, "end": { "local": "2005-06-09T12:48:32+07:00", "utc": "2005-06-09T05:48:32Z", "ms": 1118296112076.4512 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-06-10", "window": { "start": { "local": "2005-06-10T12:00:44+07:00", "utc": "2005-06-10T05:00:44Z", "ms": 1118379643982.0874 }, "end": { "local": "2005-06-10T12:48:44+07:00", "utc": "2005-06-10T05:48:44Z", "ms": 1118382523982.0874 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:11 on Thu 9 Jun to 10:18 on Fri 10 Jun.", "fact": "2005-06-09T01:10:39Z → 2005-06-10T03:18:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 9th, 12:01–12:49 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6161 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Medan, 2005: Thursday 9 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-09", "confidence": "determinate" } ], "quote": "In Medan, Rambhā Tṛtīyā 2005 falls on Thursday 9 June. Tṛtīyā runs from 08:11 on Thu 9 Jun to 10:18 on Fri 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-06-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-10", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 588, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-06-10T10:18:03+07:00", "utc": "2005-06-10T03:18:03Z", "ms": 1118373482970.29 }, "end": { "local": "2005-06-11T12:39:08+07:00", "utc": "2005-06-11T05:39:08Z", "ms": 1118468347747.3643 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-10T10:18:03+07:00", "utc": "2005-06-10T03:18:03Z", "ms": 1118373482970.29 }, "end": { "local": "2005-06-11T12:39:08+07:00", "utc": "2005-06-11T05:39:08Z", "ms": 1118468347747.3643 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-06-10", "window": { "start": { "local": "2005-06-10T12:00:44+07:00", "utc": "2005-06-10T05:00:44Z", "ms": 1118379643982.0874 }, "end": { "local": "2005-06-10T12:48:44+07:00", "utc": "2005-06-10T05:48:44Z", "ms": 1118382523982.0874 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-06-11", "window": { "start": { "local": "2005-06-11T12:00:56+07:00", "utc": "2005-06-11T05:00:56Z", "ms": 1118466056099.106 }, "end": { "local": "2005-06-11T12:48:56+07:00", "utc": "2005-06-11T05:48:56Z", "ms": 1118468936099.106 } }, "covered_min": 38, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:18 on Fri 10 Jun to 12:39 on Sat 11 Jun.", "fact": "2005-06-10T03:18:03Z → 2005-06-11T05:39:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 10th, 12:01–12:49 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 38 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 588 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Friday 10 June.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-06-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-10", "confidence": "boundary" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Friday 10 June. Caturthī runs from 10:18 on Fri 10 Jun to 12:39 on Sat 11 Jun and covers all of madhyāhna that midday. It also reaches the next midday for 38 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/medan/festivals/2005/vinayaka-chaturthi?on=2005-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8200, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2005-06-12T15:05:48+07:00", "utc": "2005-06-12T08:05:48Z", "ms": 1118563547910.6868 }, "end": { "local": "2005-06-13T17:27:15+07:00", "utc": "2005-06-13T10:27:15Z", "ms": 1118658435130.3115 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-12T15:05:48+07:00", "utc": "2005-06-12T08:05:48Z", "ms": 1118563547910.6868 }, "end": { "local": "2005-06-13T17:27:15+07:00", "utc": "2005-06-13T10:27:15Z", "ms": 1118658435130.3115 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-06-12", "window": { "start": { "local": "2005-06-12T12:01:08+07:00", "utc": "2005-06-12T05:01:08Z", "ms": 1118552468403.0972 }, "end": { "local": "2005-06-12T12:49:08+07:00", "utc": "2005-06-12T05:49:08Z", "ms": 1118555348403.0972 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-06-13", "window": { "start": { "local": "2005-06-13T12:01:21+07:00", "utc": "2005-06-13T05:01:21Z", "ms": 1118638880869.7476 }, "end": { "local": "2005-06-13T12:49:21+07:00", "utc": "2005-06-13T05:49:21Z", "ms": 1118641760869.7476 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:06 on Sun 12 Jun to 17:27 on Mon 13 Jun.", "fact": "2005-06-12T08:05:48Z → 2005-06-13T10:27:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 12th, 12:01–12:49 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8200 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Medan, 2005: Monday 13 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-13", "confidence": "determinate" } ], "quote": "In Medan, Araṇya Gaurī Vrata 2005 falls on Monday 13 June. Ṣaṣṭhī runs from 15:06 on Sun 12 Jun to 17:27 on Mon 13 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8200, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2005-06-12T15:05:48+07:00", "utc": "2005-06-12T08:05:48Z", "ms": 1118563547910.6868 }, "end": { "local": "2005-06-13T17:27:15+07:00", "utc": "2005-06-13T10:27:15Z", "ms": 1118658435130.3115 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-12T15:05:48+07:00", "utc": "2005-06-12T08:05:48Z", "ms": 1118563547910.6868 }, "end": { "local": "2005-06-13T17:27:15+07:00", "utc": "2005-06-13T10:27:15Z", "ms": 1118658435130.3115 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-06-12", "window": { "start": { "local": "2005-06-12T12:01:08+07:00", "utc": "2005-06-12T05:01:08Z", "ms": 1118552468403.0972 }, "end": { "local": "2005-06-12T12:49:08+07:00", "utc": "2005-06-12T05:49:08Z", "ms": 1118555348403.0972 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-06-13", "window": { "start": { "local": "2005-06-13T12:01:21+07:00", "utc": "2005-06-13T05:01:21Z", "ms": 1118638880869.7476 }, "end": { "local": "2005-06-13T12:49:21+07:00", "utc": "2005-06-13T05:49:21Z", "ms": 1118641760869.7476 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:06 on Sun 12 Jun to 17:27 on Mon 13 Jun.", "fact": "2005-06-12T08:05:48Z → 2005-06-13T10:27:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 12th, 12:01–12:49 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8200 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Medan, 2005: Monday 13 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-13", "confidence": "determinate" } ], "quote": "In Medan, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2005 falls on Monday 13 June. Ṣaṣṭhī runs from 15:06 on Sun 12 Jun to 17:27 on Mon 13 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-06-18", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29650, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-06-17T22:02:34+07:00", "utc": "2005-06-17T15:02:34Z", "ms": 1119020553655.9734 }, "end": { "local": "2005-06-18T21:17:25+07:00", "utc": "2005-06-18T14:17:25Z", "ms": 1119104245499.6345 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-17T22:02:34+07:00", "utc": "2005-06-17T15:02:34Z", "ms": 1119020553655.9734 }, "end": { "local": "2005-06-18T21:17:25+07:00", "utc": "2005-06-18T14:17:25Z", "ms": 1119104245499.6345 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-06-18", "window": { "start": { "local": "2005-06-18T06:16:44+07:00", "utc": "2005-06-17T23:16:44Z", "ms": 1119050203891.2507 }, "end": { "local": "2005-06-18T06:16:44+07:00", "utc": "2005-06-17T23:16:44Z", "ms": 1119050203891.2507 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-06-19", "window": { "start": { "local": "2005-06-19T06:16:56+07:00", "utc": "2005-06-18T23:16:56Z", "ms": 1119136616495.089 }, "end": { "local": "2005-06-19T06:16:56+07:00", "utc": "2005-06-18T23:16:56Z", "ms": 1119136616495.089 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:03 on Fri 17 Jun to 21:17 on Sat 18 Jun.", "fact": "2005-06-17T15:02:34Z → 2005-06-18T14:17:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 18th and 06:17 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29650 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Medan, 2005: Saturday 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": "2005-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-18", "confidence": "determinate" } ], "quote": "In Medan, Nirjalā Ekādaśī 2005 falls on Saturday 18 June. Ekādaśī runs from 22:03 on Fri 17 Jun to 21:17 on Sat 18 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24776, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2005-06-18T21:17:25+07:00", "utc": "2005-06-18T14:17:25Z", "ms": 1119104245499.6345 }, "end": { "local": "2005-06-19T19:43:34+07:00", "utc": "2005-06-19T12:43:34Z", "ms": 1119185013812.4722 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-18T21:17:25+07:00", "utc": "2005-06-18T14:17:25Z", "ms": 1119104245499.6345 }, "end": { "local": "2005-06-19T19:43:34+07:00", "utc": "2005-06-19T12:43:34Z", "ms": 1119185013812.4722 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-06-18", "window": { "start": { "local": "2005-06-18T12:02:25+07:00", "utc": "2005-06-18T05:02:25Z", "ms": 1119070944808.2783 }, "end": { "local": "2005-06-18T12:50:25+07:00", "utc": "2005-06-18T05:50:25Z", "ms": 1119073824808.2783 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-06-19", "window": { "start": { "local": "2005-06-19T12:02:38+07:00", "utc": "2005-06-19T05:02:38Z", "ms": 1119157357756.3345 }, "end": { "local": "2005-06-19T12:50:38+07:00", "utc": "2005-06-19T05:50:38Z", "ms": 1119160237756.3345 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:17 on Sat 18 Jun to 19:44 on Sun 19 Jun.", "fact": "2005-06-18T14:17:25Z → 2005-06-19T12:43:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 18th, 12:03–12:51 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24776 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Medan, 2005: Sunday 19 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": "2005-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-19", "confidence": "determinate" } ], "quote": "In Medan, Śrī Rāma Dvādaśī 2005 falls on Sunday 19 June. Dvādaśī runs from 21:17 on Sat 18 Jun to 19:44 on Sun 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/pradosha-vrata?on=2005-06-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1572, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-06-19T19:43:34+07:00", "utc": "2005-06-19T12:43:34Z", "ms": 1119185013812.4722 }, "end": { "local": "2005-06-20T17:26:09+07:00", "utc": "2005-06-20T10:26:09Z", "ms": 1119263169480.4504 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-19T19:43:34+07:00", "utc": "2005-06-19T12:43:34Z", "ms": 1119185013812.4722 }, "end": { "local": "2005-06-20T17:26:09+07:00", "utc": "2005-06-20T10:26:09Z", "ms": 1119263169480.4504 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-06-19", "window": { "start": { "local": "2005-06-19T18:36:19+07:00", "utc": "2005-06-19T11:36:19Z", "ms": 1119180979017.5796 }, "end": { "local": "2005-06-19T20:09:46+07:00", "utc": "2005-06-19T13:09:46Z", "ms": 1119186585714.025 } }, "covered_min": 26, "window_min": 93, "qualifies": true }, { "local_date": "2005-06-20", "window": { "start": { "local": "2005-06-20T18:36:32+07:00", "utc": "2005-06-20T11:36:32Z", "ms": 1119267392174.2551 }, "end": { "local": "2005-06-20T20:09:59+07:00", "utc": "2005-06-20T13:09:59Z", "ms": 1119272998832.1873 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:44 on Sun 19 Jun to 17:26 on Mon 20 Jun.", "fact": "2005-06-19T12:43:34Z → 2005-06-20T10:26:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:10 on the 19th, 18:37–20:10 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 26 of 93 minutes on the 19th and 0 of 93 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 1572 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Sunday 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": "2005-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-19", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Sunday 19 June. Trayodaśī runs from 19:44 on Sun 19 Jun to 17:26 on Mon 20 Jun and covers 26 of 93 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-06-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14622, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-06-21T14:33:03+07:00", "utc": "2005-06-21T07:33:03Z", "ms": 1119339183284.8074 }, "end": { "local": "2005-06-22T11:13:50+07:00", "utc": "2005-06-22T04:13:50Z", "ms": 1119413630353.0962 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-21T14:33:03+07:00", "utc": "2005-06-21T07:33:03Z", "ms": 1119339183284.8074 }, "end": { "local": "2005-06-22T11:13:50+07:00", "utc": "2005-06-22T04:13:50Z", "ms": 1119413630353.0962 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-06-21", "window": { "start": { "local": "2005-06-21T18:36:45+07:00", "utc": "2005-06-21T11:36:45Z", "ms": 1119353805175.8557 }, "end": { "local": "2005-06-21T20:10:12+07:00", "utc": "2005-06-21T13:10:12Z", "ms": 1119359411829.6577 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2005-06-22", "window": { "start": { "local": "2005-06-22T18:36:58+07:00", "utc": "2005-06-22T11:36:58Z", "ms": 1119440218003.7727 }, "end": { "local": "2005-06-22T20:10:25+07:00", "utc": "2005-06-22T13:10:25Z", "ms": 1119445824687.8313 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:33 on Tue 21 Jun to 11:14 on Wed 22 Jun.", "fact": "2005-06-21T07:33:03Z → 2005-06-22T04:13:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:10 on the 21st, 18:37–20:10 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 93 of 93 minutes on the 21st and 0 of 93 on the 22nd.", "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 14622 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Medan, 2005: Tuesday 21 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": "2005-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-21", "confidence": "determinate" } ], "quote": "In Medan, Vaṭa Sāvitrī Vrata 2005 falls on Tuesday 21 June. Pūrṇimā runs from 14:33 on Tue 21 Jun to 11:14 on Wed 22 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-06-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-06-24", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3299, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-06-25T00:25:41+07:00", "utc": "2005-06-24T17:25:41Z", "ms": 1119633941457.8271 }, "end": { "local": "2005-06-25T21:07:31+07:00", "utc": "2005-06-25T14:07:31Z", "ms": 1119708451189.9312 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-06-25T00:25:41+07:00", "utc": "2005-06-24T17:25:41Z", "ms": 1119633941457.8271 }, "end": { "local": "2005-06-25T21:07:31+07:00", "utc": "2005-06-25T14:07:31Z", "ms": 1119708451189.9312 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-06-24", "window": { "start": { "local": "2005-06-24T21:06:03+07:00", "utc": "2005-06-24T14:06:03Z", "ms": 1119621962793.274 }, "end": { "local": "2005-06-24T21:06:03+07:00", "utc": "2005-06-24T14:06:03Z", "ms": 1119621962793.274 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-06-25", "window": { "start": { "local": "2005-06-25T22:02:31+07:00", "utc": "2005-06-25T15:02:31Z", "ms": 1119711750674.2168 }, "end": { "local": "2005-06-25T22:02:31+07:00", "utc": "2005-06-25T15:02:31Z", "ms": 1119711750674.2168 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:26 on Sat 25 Jun to 21:08 on Sat 25 Jun.", "fact": "2005-06-24T17:25:41Z → 2005-06-25T14:07:31Z" }, { "step": "kaala", "text": "Moonrise is at 21:06 on the 24th and 22:03 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3299 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Friday 24 June.", "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": "2005-06-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-06-24", "confidence": "boundary" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Friday 24 June. Caturthī runs from 00:26 on Sat 25 Jun to 21:08 on Sat 25 Jun, and is current at moonrise on neither day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-06-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ekadashi?on=2005-07-02", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21845, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-07-01T12:23:38+07:00", "utc": "2005-07-01T05:23:38Z", "ms": 1120195417820.7432 }, "end": { "local": "2005-07-02T12:57:22+07:00", "utc": "2005-07-02T05:57:22Z", "ms": 1120283842212.5635 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-01T12:23:38+07:00", "utc": "2005-07-01T05:23:38Z", "ms": 1120195417820.7432 }, "end": { "local": "2005-07-02T12:57:22+07:00", "utc": "2005-07-02T05:57:22Z", "ms": 1120283842212.5635 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-07-01", "window": { "start": { "local": "2005-07-01T06:19:33+07:00", "utc": "2005-06-30T23:19:33Z", "ms": 1120173573301.4053 }, "end": { "local": "2005-07-01T06:19:33+07:00", "utc": "2005-06-30T23:19:33Z", "ms": 1120173573301.4053 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-07-02", "window": { "start": { "local": "2005-07-02T06:19:46+07:00", "utc": "2005-07-01T23:19:46Z", "ms": 1120259986214.855 }, "end": { "local": "2005-07-02T06:19:46+07:00", "utc": "2005-07-01T23:19:46Z", "ms": 1120259986214.855 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:24 on Fri 1 Jul to 12:57 on Sat 2 Jul.", "fact": "2005-07-01T05:23:38Z → 2005-07-02T05:57:22Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 1st and 06:20 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 21845 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Medan, 2005: Saturday 2 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": "2005-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-02", "confidence": "determinate" } ], "quote": "In Medan, Yoginī Ekādaśī 2005 falls on Saturday 2 July. Ekādaśī runs from 12:24 on Fri 1 Jul to 12:57 on Sat 2 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-07-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11884, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-07-03T13:57:54+07:00", "utc": "2005-07-03T06:57:54Z", "ms": 1120373874043.721 }, "end": { "local": "2005-07-04T15:21:08+07:00", "utc": "2005-07-04T08:21:08Z", "ms": 1120465267762.6787 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-03T13:57:54+07:00", "utc": "2005-07-03T06:57:54Z", "ms": 1120373874043.721 }, "end": { "local": "2005-07-04T15:21:08+07:00", "utc": "2005-07-04T08:21:08Z", "ms": 1120465267762.6787 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-07-03", "window": { "start": { "local": "2005-07-03T18:39:02+07:00", "utc": "2005-07-03T11:39:02Z", "ms": 1120390742228.774 }, "end": { "local": "2005-07-03T20:12:31+07:00", "utc": "2005-07-03T13:12:31Z", "ms": 1120396351481.1387 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2005-07-04", "window": { "start": { "local": "2005-07-04T18:39:11+07:00", "utc": "2005-07-04T11:39:11Z", "ms": 1120477151439.8518 }, "end": { "local": "2005-07-04T20:12:41+07:00", "utc": "2005-07-04T13:12:41Z", "ms": 1120482761123.082 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:58 on Sun 3 Jul to 15:21 on Mon 4 Jul.", "fact": "2005-07-03T06:57:54Z → 2005-07-04T08:21:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:13 on the 3rd, 18:39–20:13 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 3rd and 0 of 93 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11884 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Sunday 3 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": "2005-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-03", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Sunday 3 July. Trayodaśī runs from 13:58 on Sun 3 Jul to 15:21 on Mon 4 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-07-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25341, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-07-04T15:21:08+07:00", "utc": "2005-07-04T08:21:08Z", "ms": 1120465267762.6787 }, "end": { "local": "2005-07-05T17:03:37+07:00", "utc": "2005-07-05T10:03:37Z", "ms": 1120557816830.0127 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-04T15:21:08+07:00", "utc": "2005-07-04T08:21:08Z", "ms": 1120465267762.6787 }, "end": { "local": "2005-07-05T17:03:37+07:00", "utc": "2005-07-05T10:03:37Z", "ms": 1120557816830.0127 } }, "kaala": "nishita", "days": [ { "local_date": "2005-07-04", "window": { "start": { "local": "2005-07-05T00:05:48+07:00", "utc": "2005-07-04T17:05:48Z", "ms": 1120496747751.9648 }, "end": { "local": "2005-07-05T00:53:48+07:00", "utc": "2005-07-04T17:53:48Z", "ms": 1120499627751.9648 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-07-05", "window": { "start": { "local": "2005-07-06T00:05:58+07:00", "utc": "2005-07-05T17:05:58Z", "ms": 1120583158252.868 }, "end": { "local": "2005-07-06T00:53:58+07:00", "utc": "2005-07-05T17:53:58Z", "ms": 1120586038252.868 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:21 on Mon 4 Jul to 17:04 on Tue 5 Jul.", "fact": "2005-07-04T08:21:08Z → 2005-07-05T10:03:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:06–00:54 on the 4th, 00:06–00:54 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25341 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Monday 4 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": "2005-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-04", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Monday 4 July. Caturdaśī runs from 15:21 on Mon 4 Jul to 17:04 on Tue 5 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-07-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30050, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2005-07-07T21:15:02+07:00", "utc": "2005-07-07T14:15:02Z", "ms": 1120745702071.3833 }, "end": { "local": "2005-07-08T23:37:44+07:00", "utc": "2005-07-08T16:37:44Z", "ms": 1120840664117.8955 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-07T21:15:02+07:00", "utc": "2005-07-07T14:15:02Z", "ms": 1120745702071.3833 }, "end": { "local": "2005-07-08T23:37:44+07:00", "utc": "2005-07-08T16:37:44Z", "ms": 1120840664117.8955 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-07-07", "window": { "start": { "local": "2005-07-07T12:06:12+07:00", "utc": "2005-07-07T05:06:12Z", "ms": 1120712772310.4229 }, "end": { "local": "2005-07-07T12:54:12+07:00", "utc": "2005-07-07T05:54:12Z", "ms": 1120715652310.4229 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-07-08", "window": { "start": { "local": "2005-07-08T12:06:22+07:00", "utc": "2005-07-08T05:06:22Z", "ms": 1120799181835.643 }, "end": { "local": "2005-07-08T12:54:22+07:00", "utc": "2005-07-08T05:54:22Z", "ms": 1120802061835.643 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:15 on Thu 7 Jul to 23:38 on Fri 8 Jul.", "fact": "2005-07-07T14:15:02Z → 2005-07-08T16:37:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 7th, 12:06–12:54 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30050 s" }, { "step": "ruling", "text": "Rathayātrā, Medan, 2005: Friday 8 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-08", "confidence": "determinate" } ], "quote": "In Medan, Rathayātrā 2005 falls on Friday 8 July. Dvitīyā runs from 21:15 on Thu 7 Jul to 23:38 on Fri 8 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-07-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27328, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-07-10T02:05:34+07:00", "utc": "2005-07-09T19:05:34Z", "ms": 1120935934183.418 }, "end": { "local": "2005-07-11T04:31:20+07:00", "utc": "2005-07-10T21:31:20Z", "ms": 1121031080268.3992 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-10T02:05:34+07:00", "utc": "2005-07-09T19:05:34Z", "ms": 1120935934183.418 }, "end": { "local": "2005-07-11T04:31:20+07:00", "utc": "2005-07-10T21:31:20Z", "ms": 1121031080268.3992 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-07-10", "window": { "start": { "local": "2005-07-10T12:06:40+07:00", "utc": "2005-07-10T05:06:40Z", "ms": 1120971999653.8313 }, "end": { "local": "2005-07-10T12:54:40+07:00", "utc": "2005-07-10T05:54:40Z", "ms": 1120974879653.8313 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-07-11", "window": { "start": { "local": "2005-07-11T12:06:48+07:00", "utc": "2005-07-11T05:06:48Z", "ms": 1121058407906.614 }, "end": { "local": "2005-07-11T12:54:48+07:00", "utc": "2005-07-11T05:54:48Z", "ms": 1121061287906.614 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:06 on Sun 10 Jul to 04:31 on Mon 11 Jul.", "fact": "2005-07-09T19:05:34Z → 2005-07-10T21:31:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 10th, 12:07–12:55 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27328 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Sunday 10 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": "2005-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-10", "confidence": "determinate" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Sunday 10 July. Caturthī runs from 02:06 on Sun 10 Jul to 04:31 on Mon 11 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/vinayaka-chaturthi?on=2005-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19278, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2005-07-11T04:31:20+07:00", "utc": "2005-07-10T21:31:20Z", "ms": 1121031080268.3992 }, "end": { "local": "2005-07-12T06:45:38+07:00", "utc": "2005-07-11T23:45:38Z", "ms": 1121125538022.829 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-11T04:31:20+07:00", "utc": "2005-07-10T21:31:20Z", "ms": 1121031080268.3992 }, "end": { "local": "2005-07-12T06:45:38+07:00", "utc": "2005-07-11T23:45:38Z", "ms": 1121125538022.829 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-07-11", "window": { "start": { "local": "2005-07-11T12:06:48+07:00", "utc": "2005-07-11T05:06:48Z", "ms": 1121058407906.614 }, "end": { "local": "2005-07-11T12:54:48+07:00", "utc": "2005-07-11T05:54:48Z", "ms": 1121061287906.614 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-07-12", "window": { "start": { "local": "2005-07-12T12:06:56+07:00", "utc": "2005-07-12T05:06:56Z", "ms": 1121144815696.8364 }, "end": { "local": "2005-07-12T12:54:56+07:00", "utc": "2005-07-12T05:54:56Z", "ms": 1121147695696.8364 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:31 on Mon 11 Jul to 06:46 on Tue 12 Jul.", "fact": "2005-07-10T21:31:20Z → 2005-07-11T23:45:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 11th, 12:07–12:55 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19278 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Medan, 2005: Monday 11 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-11", "confidence": "determinate" } ], "quote": "In Medan, Skanda Pañcamī 2005 falls on Monday 11 July. Pañcamī runs from 04:31 on Mon 11 Jul to 06:46 on Tue 12 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7862, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2005-07-13T08:37:34+07:00", "utc": "2005-07-13T01:37:34Z", "ms": 1121218653559.0796 }, "end": { "local": "2005-07-14T09:56:08+07:00", "utc": "2005-07-14T02:56:08Z", "ms": 1121309767845.2378 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-13T08:37:34+07:00", "utc": "2005-07-13T01:37:34Z", "ms": 1121218653559.0796 }, "end": { "local": "2005-07-14T09:56:08+07:00", "utc": "2005-07-14T02:56:08Z", "ms": 1121309767845.2378 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-07-13", "window": { "start": { "local": "2005-07-13T12:07:03+07:00", "utc": "2005-07-13T05:07:03Z", "ms": 1121231223007.1729 }, "end": { "local": "2005-07-13T12:55:03+07:00", "utc": "2005-07-13T05:55:03Z", "ms": 1121234103007.1729 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-07-14", "window": { "start": { "local": "2005-07-14T12:07:10+07:00", "utc": "2005-07-14T05:07:10Z", "ms": 1121317629821.5393 }, "end": { "local": "2005-07-14T12:55:10+07:00", "utc": "2005-07-14T05:55:10Z", "ms": 1121320509821.5393 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:38 on Wed 13 Jul to 09:56 on Thu 14 Jul.", "fact": "2005-07-13T01:37:34Z → 2005-07-14T02:56:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 13th, 12:07–12:55 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7862 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Medan, 2005: Wednesday 13 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-13", "confidence": "determinate" } ], "quote": "In Medan, Vivasvat Saptamī 2005 falls on Wednesday 13 July. Saptamī runs from 08:38 on Wed 13 Jul to 09:56 on Thu 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-07-18", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3539, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-07-17T09:14:54+07:00", "utc": "2005-07-17T02:14:54Z", "ms": 1121566494438.3914 }, "end": { "local": "2005-07-18T07:21:38+07:00", "utc": "2005-07-18T00:21:38Z", "ms": 1121646097869.8503 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-17T09:14:54+07:00", "utc": "2005-07-17T02:14:54Z", "ms": 1121566494438.3914 }, "end": { "local": "2005-07-18T07:21:38+07:00", "utc": "2005-07-18T00:21:38Z", "ms": 1121646097869.8503 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-07-17", "window": { "start": { "local": "2005-07-17T06:22:31+07:00", "utc": "2005-07-16T23:22:31Z", "ms": 1121556150719.453 }, "end": { "local": "2005-07-17T06:22:31+07:00", "utc": "2005-07-16T23:22:31Z", "ms": 1121556150719.453 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-07-18", "window": { "start": { "local": "2005-07-18T06:22:39+07:00", "utc": "2005-07-17T23:22:39Z", "ms": 1121642558789.5266 }, "end": { "local": "2005-07-18T06:22:39+07:00", "utc": "2005-07-17T23:22:39Z", "ms": 1121642558789.5266 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:15 on Sun 17 Jul to 07:22 on Mon 18 Jul.", "fact": "2005-07-17T02:14:54Z → 2005-07-18T00:21:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 17th and 06:23 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 3539 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Medan, 2005: Monday 18 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": "2005-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-18", "confidence": "determinate" } ], "quote": "In Medan, Hariśayanī Ekādaśī 2005 falls on Monday 18 July. Ekādaśī runs from 09:15 on Sun 17 Jul to 07:22 on Mon 18 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-07-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19068, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-07-19T04:44:35+07:00", "utc": "2005-07-18T21:44:35Z", "ms": 1121723075260.0454 }, "end": { "local": "2005-07-20T01:31:53+07:00", "utc": "2005-07-19T18:31:53Z", "ms": 1121797913384.382 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-19T04:44:35+07:00", "utc": "2005-07-18T21:44:35Z", "ms": 1121723075260.0454 }, "end": { "local": "2005-07-20T01:31:53+07:00", "utc": "2005-07-19T18:31:53Z", "ms": 1121797913384.382 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-07-18", "window": { "start": { "local": "2005-07-18T18:40:25+07:00", "utc": "2005-07-18T11:40:25Z", "ms": 1121686824905.54 }, "end": { "local": "2005-07-18T20:14:04+07:00", "utc": "2005-07-18T13:14:04Z", "ms": 1121692443772.5042 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2005-07-19", "window": { "start": { "local": "2005-07-19T18:40:26+07:00", "utc": "2005-07-19T11:40:26Z", "ms": 1121773225577.3726 }, "end": { "local": "2005-07-19T20:14:05+07:00", "utc": "2005-07-19T13:14:05Z", "ms": 1121778845309.1077 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:45 on Tue 19 Jul to 01:32 on Wed 20 Jul.", "fact": "2005-07-18T21:44:35Z → 2005-07-19T18:31:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:14 on the 18th, 18:40–20:14 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 18th and 94 of 94 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19068 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Tuesday 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": "2005-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-19", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Tuesday 19 July. Trayodaśī runs from 04:45 on Tue 19 Jul to 01:32 on Wed 20 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-20", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2410, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-07-20T21:53:28+07:00", "utc": "2005-07-20T14:53:28Z", "ms": 1121871207543.805 }, "end": { "local": "2005-07-21T18:00:15+07:00", "utc": "2005-07-21T11:00:15Z", "ms": 1121943615239.061 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-20T21:53:28+07:00", "utc": "2005-07-20T14:53:28Z", "ms": 1121871207543.805 }, "end": { "local": "2005-07-21T18:00:15+07:00", "utc": "2005-07-21T11:00:15Z", "ms": 1121943615239.061 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-07-20", "window": { "start": { "local": "2005-07-20T18:40:26+07:00", "utc": "2005-07-20T11:40:26Z", "ms": 1121859625590.403 }, "end": { "local": "2005-07-20T20:14:06+07:00", "utc": "2005-07-20T13:14:06Z", "ms": 1121865246212.3955 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2005-07-21", "window": { "start": { "local": "2005-07-21T18:40:25+07:00", "utc": "2005-07-21T11:40:25Z", "ms": 1121946024942.647 }, "end": { "local": "2005-07-21T20:14:06+07:00", "utc": "2005-07-21T13:14:06Z", "ms": 1121951646479.919 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:53 on Wed 20 Jul to 18:00 on Thu 21 Jul.", "fact": "2005-07-20T14:53:28Z → 2005-07-21T11:00:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:14 on the 20th, 18:40–20:14 on the 21st.", "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 94 minutes on the 20th and 0 of 94 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2410 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Medan, 2005: Wednesday 20 July.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2005-07-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-20", "confidence": "boundary" } ], "quote": "In Medan, Śiva Śayanotsava 2005 falls on Wednesday 20 July. Pūrṇimā runs from 21:53 on Wed 20 Jul to 18:00 on Thu 21 Jul, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30573, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-07-20T21:53:28+07:00", "utc": "2005-07-20T14:53:28Z", "ms": 1121871207543.805 }, "end": { "local": "2005-07-21T18:00:15+07:00", "utc": "2005-07-21T11:00:15Z", "ms": 1121943615239.061 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-20T21:53:28+07:00", "utc": "2005-07-20T14:53:28Z", "ms": 1121871207543.805 }, "end": { "local": "2005-07-21T18:00:15+07:00", "utc": "2005-07-21T11:00:15Z", "ms": 1121943615239.061 } }, "kaala": "udaya-3", "days": [ { "local_date": "2005-07-21", "window": { "start": { "local": "2005-07-21T06:23:00+07:00", "utc": "2005-07-20T23:23:00Z", "ms": 1121901780255.346 }, "end": { "local": "2005-07-21T08:50:29+07:00", "utc": "2005-07-21T01:50:29Z", "ms": 1121910629192.8062 } }, "covered_min": 147, "window_min": 147, "qualifies": true }, { "local_date": "2005-07-22", "window": { "start": { "local": "2005-07-22T06:23:06+07:00", "utc": "2005-07-21T23:23:06Z", "ms": 1121988186472.186 }, "end": { "local": "2005-07-22T08:50:34+07:00", "utc": "2005-07-22T01:50:34Z", "ms": 1121997033904.4229 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:53 on Wed 20 Jul to 18:00 on Thu 21 Jul.", "fact": "2005-07-20T14:53:28Z → 2005-07-21T11:00:15Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:23–08:50 on the 21st, 06:23–08:51 on the 22nd.", "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 147 of 147 minutes on the 21st and 0 of 147 on the 22nd.", "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 30573 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Medan, 2005: Thursday 21 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": "2005-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-21", "confidence": "determinate" } ], "quote": "In Medan, Vyāsa Pūjā 2005 falls on Thursday 21 July. Pūrṇimā runs from 21:53 on Wed 20 Jul to 18:00 on Thu 21 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18273, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-07-20T21:53:28+07:00", "utc": "2005-07-20T14:53:28Z", "ms": 1121871207543.805 }, "end": { "local": "2005-07-21T18:00:15+07:00", "utc": "2005-07-21T11:00:15Z", "ms": 1121943615239.061 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-20T21:53:28+07:00", "utc": "2005-07-20T14:53:28Z", "ms": 1121871207543.805 }, "end": { "local": "2005-07-21T18:00:15+07:00", "utc": "2005-07-21T11:00:15Z", "ms": 1121943615239.061 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-07-20", "window": { "start": { "local": "2005-07-20T12:07:40+07:00", "utc": "2005-07-20T05:07:40Z", "ms": 1121836059577.894 }, "end": { "local": "2005-07-20T12:55:40+07:00", "utc": "2005-07-20T05:55:40Z", "ms": 1121838939577.894 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-07-21", "window": { "start": { "local": "2005-07-21T12:07:43+07:00", "utc": "2005-07-21T05:07:43Z", "ms": 1121922462598.9966 }, "end": { "local": "2005-07-21T12:55:43+07:00", "utc": "2005-07-21T05:55:43Z", "ms": 1121925342598.9966 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:53 on Wed 20 Jul to 18:00 on Thu 21 Jul.", "fact": "2005-07-20T14:53:28Z → 2005-07-21T11:00:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 20th, 12:08–12:56 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18273 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Medan, 2005: Thursday 21 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": "2005-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-21", "confidence": "determinate" } ], "quote": "In Medan, Guru Pūrṇimā 2005 falls on Thursday 21 July. Pūrṇimā runs from 21:53 on Wed 20 Jul to 18:00 on Thu 21 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2410, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-07-20T21:53:28+07:00", "utc": "2005-07-20T14:53:28Z", "ms": 1121871207543.805 }, "end": { "local": "2005-07-21T18:00:15+07:00", "utc": "2005-07-21T11:00:15Z", "ms": 1121943615239.061 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2005-07-20T21:53:28+07:00", "utc": "2005-07-20T14:53:28Z", "ms": 1121871207543.805 }, "end": { "local": "2005-07-21T18:00:15+07:00", "utc": "2005-07-21T11:00:15Z", "ms": 1121943615239.061 } }, "kaala": "sayahna", "days": [ { "local_date": "2005-07-20", "window": { "start": { "local": "2005-07-20T16:12:55+07:00", "utc": "2005-07-20T09:12:55Z", "ms": 1121850775185.3994 }, "end": { "local": "2005-07-20T18:40:26+07:00", "utc": "2005-07-20T11:40:26Z", "ms": 1121859625590.403 } }, "covered_min": 0, "window_min": 148, "qualifies": false }, { "local_date": "2005-07-21", "window": { "start": { "local": "2005-07-21T16:12:56+07:00", "utc": "2005-07-21T09:12:56Z", "ms": 1121937176005.1868 }, "end": { "local": "2005-07-21T18:40:25+07:00", "utc": "2005-07-21T11:40:25Z", "ms": 1121946024942.647 } }, "covered_min": 107, "window_min": 147, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:53 on Wed 20 Jul to 18:00 on Thu 21 Jul.", "fact": "2005-07-20T14:53:28Z → 2005-07-21T11:00:15Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:40 on the 20th, 16:13–18:40 on the 21st.", "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 148 minutes on the 20th and 107 of 147 on the 21st.", "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 2410 s" }, { "step": "ruling", "text": "Kokilā Vrata, Medan, 2005: Thursday 21 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": "2005-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-21", "confidence": "determinate" } ], "quote": "In Medan, Kokilā Vrata 2005 falls on Thursday 21 July. Pūrṇimā runs from 21:53 on Wed 20 Jul to 18:00 on Thu 21 Jul and covers 107 of 147 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20643, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2005-07-22T14:03:39+07:00", "utc": "2005-07-22T07:03:39Z", "ms": 1122015818561.4956 }, "end": { "local": "2005-07-23T10:14:53+07:00", "utc": "2005-07-23T03:14:53Z", "ms": 1122088493013.1677 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-07-22T14:03:39+07:00", "utc": "2005-07-22T07:03:39Z", "ms": 1122015818561.4956 }, "end": { "local": "2005-07-23T10:14:53+07:00", "utc": "2005-07-23T03:14:53Z", "ms": 1122088493013.1677 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-07-22", "window": { "start": { "local": "2005-07-22T19:47:42+07:00", "utc": "2005-07-22T12:47:42Z", "ms": 1122036461715.554 }, "end": { "local": "2005-07-22T19:47:42+07:00", "utc": "2005-07-22T12:47:42Z", "ms": 1122036461715.554 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-07-23", "window": { "start": { "local": "2005-07-23T20:42:49+07:00", "utc": "2005-07-23T13:42:49Z", "ms": 1122126169229.8896 }, "end": { "local": "2005-07-23T20:42:49+07:00", "utc": "2005-07-23T13:42:49Z", "ms": 1122126169229.8896 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 14:04 on Fri 22 Jul to 10:15 on Sat 23 Jul.", "fact": "2005-07-22T07:03:39Z → 2005-07-23T03:14:53Z" }, { "step": "kaala", "text": "Moonrise is at 19:48 on the 22nd and 20:43 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20643 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Medan, 2005: Friday 22 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": "2005-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-22", "confidence": "determinate" } ], "quote": "In Medan, Aśūnya Śayana Vrata (Āṣāḍha) 2005 falls on Friday 22 July. Dvitīyā runs from 14:04 on Fri 22 Jul to 10:15 on Sat 23 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-07-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22161, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-07-24T06:44:39+07:00", "utc": "2005-07-23T23:44:39Z", "ms": 1122162278675.7117 }, "end": { "local": "2005-07-25T03:42:30+07:00", "utc": "2005-07-24T20:42:30Z", "ms": 1122237749914.1492 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-07-24T06:44:39+07:00", "utc": "2005-07-23T23:44:39Z", "ms": 1122162278675.7117 }, "end": { "local": "2005-07-25T03:42:30+07:00", "utc": "2005-07-24T20:42:30Z", "ms": 1122237749914.1492 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-07-23", "window": { "start": { "local": "2005-07-23T20:42:49+07:00", "utc": "2005-07-23T13:42:49Z", "ms": 1122126169229.8896 }, "end": { "local": "2005-07-23T20:42:49+07:00", "utc": "2005-07-23T13:42:49Z", "ms": 1122126169229.8896 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-07-24", "window": { "start": { "local": "2005-07-24T21:33:09+07:00", "utc": "2005-07-24T14:33:09Z", "ms": 1122215589373.5066 }, "end": { "local": "2005-07-24T21:33:09+07:00", "utc": "2005-07-24T14:33:09Z", "ms": 1122215589373.5066 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:45 on Sun 24 Jul to 03:42 on Mon 25 Jul.", "fact": "2005-07-23T23:44:39Z → 2005-07-24T20:42:30Z" }, { "step": "kaala", "text": "Moonrise is at 20:43 on the 23rd and 21:33 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22161 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Sunday 24 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": "2005-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-24", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Sunday 24 July. Caturthī runs from 06:45 on Sun 24 Jul to 03:42 on Mon 25 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ekadashi?on=2005-07-31", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18448, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-07-30T23:44:49+07:00", "utc": "2005-07-30T16:44:49Z", "ms": 1122741888610.6165 }, "end": { "local": "2005-08-01T01:16:14+07:00", "utc": "2005-07-31T18:16:14Z", "ms": 1122833773662.2708 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-07-30T23:44:49+07:00", "utc": "2005-07-30T16:44:49Z", "ms": 1122741888610.6165 }, "end": { "local": "2005-08-01T01:16:14+07:00", "utc": "2005-07-31T18:16:14Z", "ms": 1122833773662.2708 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-07-31", "window": { "start": { "local": "2005-07-31T06:23:40+07:00", "utc": "2005-07-30T23:23:40Z", "ms": 1122765820456.9888 }, "end": { "local": "2005-07-31T06:23:40+07:00", "utc": "2005-07-30T23:23:40Z", "ms": 1122765820456.9888 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-08-01", "window": { "start": { "local": "2005-08-01T06:23:42+07:00", "utc": "2005-07-31T23:23:42Z", "ms": 1122852221705.7737 }, "end": { "local": "2005-08-01T06:23:42+07:00", "utc": "2005-07-31T23:23:42Z", "ms": 1122852221705.7737 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:45 on Sat 30 Jul to 01:16 on Mon 1 Aug.", "fact": "2005-07-30T16:44:49Z → 2005-07-31T18:16:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 31st and 06:24 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18448 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Medan, 2005: Sunday 31 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": "2005-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-07-31", "confidence": "determinate" } ], "quote": "In Medan, Kāmikā Ekādaśī 2005 falls on Sunday 31 July. Ekādaśī runs from 23:45 on Sat 30 Jul to 01:16 on Mon 1 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-08-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24990, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-08-02T03:09:57+07:00", "utc": "2005-08-01T20:09:57Z", "ms": 1122926996771.8408 }, "end": { "local": "2005-08-03T05:19:30+07:00", "utc": "2005-08-02T22:19:30Z", "ms": 1123021169838.396 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-08-02T03:09:57+07:00", "utc": "2005-08-01T20:09:57Z", "ms": 1122926996771.8408 }, "end": { "local": "2005-08-03T05:19:30+07:00", "utc": "2005-08-02T22:19:30Z", "ms": 1123021169838.396 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-08-01", "window": { "start": { "local": "2005-08-01T18:39:34+07:00", "utc": "2005-08-01T11:39:34Z", "ms": 1122896374143.6582 }, "end": { "local": "2005-08-01T20:13:27+07:00", "utc": "2005-08-01T13:13:27Z", "ms": 1122902007248.566 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2005-08-02", "window": { "start": { "local": "2005-08-02T18:39:26+07:00", "utc": "2005-08-02T11:39:26Z", "ms": 1122982765542.1252 }, "end": { "local": "2005-08-02T20:13:20+07:00", "utc": "2005-08-02T13:13:20Z", "ms": 1122988399820.0325 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:10 on Tue 2 Aug to 05:19 on Wed 3 Aug.", "fact": "2005-08-01T20:09:57Z → 2005-08-02T22:19:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:13 on the 1st, 18:39–20:13 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 1st and 94 of 94 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 24990 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Tuesday 2 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": "2005-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-02", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Tuesday 2 August. Trayodaśī runs from 03:10 on Tue 2 Aug to 05:19 on Wed 3 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-08-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-08-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15836, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-08-03T05:19:30+07:00", "utc": "2005-08-02T22:19:30Z", "ms": 1123021169838.396 }, "end": { "local": "2005-08-04T07:39:21+07:00", "utc": "2005-08-04T00:39:21Z", "ms": 1123115960846.0647 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-08-03T05:19:30+07:00", "utc": "2005-08-02T22:19:30Z", "ms": 1123021169838.396 }, "end": { "local": "2005-08-04T07:39:21+07:00", "utc": "2005-08-04T00:39:21Z", "ms": 1123115960846.0647 } }, "kaala": "nishita", "days": [ { "local_date": "2005-08-02", "window": { "start": { "local": "2005-08-03T00:07:34+07:00", "utc": "2005-08-02T17:07:34Z", "ms": 1123002454084.2773 }, "end": { "local": "2005-08-03T00:55:34+07:00", "utc": "2005-08-02T17:55:34Z", "ms": 1123005334084.2773 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-08-03", "window": { "start": { "local": "2005-08-04T00:07:29+07:00", "utc": "2005-08-03T17:07:29Z", "ms": 1123088849282.2627 }, "end": { "local": "2005-08-04T00:55:29+07:00", "utc": "2005-08-03T17:55:29Z", "ms": 1123091729282.2627 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:19 on Wed 3 Aug to 07:39 on Thu 4 Aug.", "fact": "2005-08-02T22:19:30Z → 2005-08-04T00:39:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 2nd, 00:07–00:55 on the 3rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15836 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Wednesday 3 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": "2005-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-03", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Wednesday 3 August. Caturdaśī runs from 05:19 on Wed 3 Aug to 07:39 on Thu 4 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7130, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2005-08-07T14:53:55+07:00", "utc": "2005-08-07T07:53:55Z", "ms": 1123401234969.8335 }, "end": { "local": "2005-08-08T17:06:46+07:00", "utc": "2005-08-08T10:06:46Z", "ms": 1123495605523.3704 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-08-07T14:53:55+07:00", "utc": "2005-08-07T07:53:55Z", "ms": 1123401234969.8335 }, "end": { "local": "2005-08-08T17:06:46+07:00", "utc": "2005-08-08T10:06:46Z", "ms": 1123495605523.3704 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-08-07", "window": { "start": { "local": "2005-08-07T12:07:05+07:00", "utc": "2005-08-07T05:07:05Z", "ms": 1123391225314.92 }, "end": { "local": "2005-08-07T12:55:05+07:00", "utc": "2005-08-07T05:55:05Z", "ms": 1123394105314.92 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-08-08", "window": { "start": { "local": "2005-08-08T12:06:58+07:00", "utc": "2005-08-08T05:06:58Z", "ms": 1123477617784.335 }, "end": { "local": "2005-08-08T12:54:58+07:00", "utc": "2005-08-08T05:54:58Z", "ms": 1123480497784.335 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:54 on Sun 7 Aug to 17:07 on Mon 8 Aug.", "fact": "2005-08-07T07:53:55Z → 2005-08-08T10:06:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 7th, 12:07–12:55 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 7130 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Medan, 2005: Monday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-08", "confidence": "determinate" } ], "quote": "In Medan, Madhusravā Tṛtīyā (Hariyali Teej) 2005 falls on Monday 8 August. Tṛtīyā runs from 14:54 on Sun 7 Aug to 17:07 on Mon 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-08-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15108, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-08-08T17:06:46+07:00", "utc": "2005-08-08T10:06:46Z", "ms": 1123495605523.3704 }, "end": { "local": "2005-08-09T19:02:33+07:00", "utc": "2005-08-09T12:02:33Z", "ms": 1123588952960.728 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-08-08T17:06:46+07:00", "utc": "2005-08-08T10:06:46Z", "ms": 1123495605523.3704 }, "end": { "local": "2005-08-09T19:02:33+07:00", "utc": "2005-08-09T12:02:33Z", "ms": 1123588952960.728 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-08-08", "window": { "start": { "local": "2005-08-08T12:06:58+07:00", "utc": "2005-08-08T05:06:58Z", "ms": 1123477617784.335 }, "end": { "local": "2005-08-08T12:54:58+07:00", "utc": "2005-08-08T05:54:58Z", "ms": 1123480497784.335 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-08-09", "window": { "start": { "local": "2005-08-09T12:06:50+07:00", "utc": "2005-08-09T05:06:50Z", "ms": 1123564009658.6414 }, "end": { "local": "2005-08-09T12:54:50+07:00", "utc": "2005-08-09T05:54:50Z", "ms": 1123566889658.6414 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:07 on Mon 8 Aug to 19:03 on Tue 9 Aug.", "fact": "2005-08-08T10:06:46Z → 2005-08-09T12:02:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 8th, 12:07–12:55 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15108 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Tuesday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-09", "confidence": "determinate" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Tuesday 9 August. Caturthī runs from 17:07 on Mon 8 Aug to 19:03 on Tue 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/vinayaka-chaturthi?on=2005-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22063, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2005-08-09T19:02:33+07:00", "utc": "2005-08-09T12:02:33Z", "ms": 1123588952960.728 }, "end": { "local": "2005-08-10T20:33:07+07:00", "utc": "2005-08-10T13:33:07Z", "ms": 1123680787319.0732 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-08-09T19:02:33+07:00", "utc": "2005-08-09T12:02:33Z", "ms": 1123588952960.728 }, "end": { "local": "2005-08-10T20:33:07+07:00", "utc": "2005-08-10T13:33:07Z", "ms": 1123680787319.0732 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-08-09", "window": { "start": { "local": "2005-08-09T12:06:50+07:00", "utc": "2005-08-09T05:06:50Z", "ms": 1123564009658.6414 }, "end": { "local": "2005-08-09T12:54:50+07:00", "utc": "2005-08-09T05:54:50Z", "ms": 1123566889658.6414 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-08-10", "window": { "start": { "local": "2005-08-10T12:06:41+07:00", "utc": "2005-08-10T05:06:41Z", "ms": 1123650400941.2612 }, "end": { "local": "2005-08-10T12:54:41+07:00", "utc": "2005-08-10T05:54:41Z", "ms": 1123653280941.2612 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:03 on Tue 9 Aug to 20:33 on Wed 10 Aug.", "fact": "2005-08-09T12:02:33Z → 2005-08-10T13:33:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 9th, 12:07–12:55 on the 10th.", "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 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22063 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Medan, 2005: Wednesday 10 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-10", "confidence": "determinate" } ], "quote": "In Medan, Nāga Pañcamī 2005 falls on Wednesday 10 August. Pañcamī runs from 19:03 on Tue 9 Aug to 20:33 on Wed 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-08-16", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32427, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-08-15T18:03:23+07:00", "utc": "2005-08-15T11:03:23Z", "ms": 1124103803350.0608 }, "end": { "local": "2005-08-16T15:23:23+07:00", "utc": "2005-08-16T08:23:23Z", "ms": 1124180603477.1167 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-08-15T18:03:23+07:00", "utc": "2005-08-15T11:03:23Z", "ms": 1124103803350.0608 }, "end": { "local": "2005-08-16T15:23:23+07:00", "utc": "2005-08-16T08:23:23Z", "ms": 1124180603477.1167 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-08-15", "window": { "start": { "local": "2005-08-15T06:23:03+07:00", "utc": "2005-08-14T23:23:03Z", "ms": 1124061783130.8938 }, "end": { "local": "2005-08-15T06:23:03+07:00", "utc": "2005-08-14T23:23:03Z", "ms": 1124061783130.8938 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-08-16", "window": { "start": { "local": "2005-08-16T06:22:56+07:00", "utc": "2005-08-15T23:22:56Z", "ms": 1124148176409.8948 }, "end": { "local": "2005-08-16T06:22:56+07:00", "utc": "2005-08-15T23:22:56Z", "ms": 1124148176409.8948 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:03 on Mon 15 Aug to 15:23 on Tue 16 Aug.", "fact": "2005-08-15T11:03:23Z → 2005-08-16T08:23:23Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 15th and 06:23 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32427 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Medan, 2005: Tuesday 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": "2005-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-16", "confidence": "determinate" } ], "quote": "In Medan, Putradā Ekādaśī 2005 falls on Tuesday 16 August. Ekādaśī runs from 18:03 on Mon 15 Aug to 15:23 on Tue 16 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 320, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2005-08-16T15:23:23+07:00", "utc": "2005-08-16T08:23:23Z", "ms": 1124180603477.1167 }, "end": { "local": "2005-08-17T12:10:44+07:00", "utc": "2005-08-17T05:10:44Z", "ms": 1124255444320.364 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-08-16T15:23:23+07:00", "utc": "2005-08-16T08:23:23Z", "ms": 1124180603477.1167 }, "end": { "local": "2005-08-17T12:10:44+07:00", "utc": "2005-08-17T05:10:44Z", "ms": 1124255444320.364 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-08-16", "window": { "start": { "local": "2005-08-16T12:05:37+07:00", "utc": "2005-08-16T05:05:37Z", "ms": 1124168736541.7803 }, "end": { "local": "2005-08-16T12:53:37+07:00", "utc": "2005-08-16T05:53:37Z", "ms": 1124171616541.7803 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-08-17", "window": { "start": { "local": "2005-08-17T12:05:24+07:00", "utc": "2005-08-17T05:05:24Z", "ms": 1124255123874.5566 }, "end": { "local": "2005-08-17T12:53:24+07:00", "utc": "2005-08-17T05:53:24Z", "ms": 1124258003874.5566 } }, "covered_min": 5, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:23 on Tue 16 Aug to 12:11 on Wed 17 Aug.", "fact": "2005-08-16T08:23:23Z → 2005-08-17T05:10:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 16th, 12:05–12:53 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 5 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 320 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Medan, 2005: Wednesday 17 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": "2005-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-17", "confidence": "determinate" } ], "quote": "In Medan, Dāmodara Dvādaśī 2005 falls on Wednesday 17 August. Dvādaśī runs from 15:23 on Tue 16 Aug to 12:11 on Wed 17 Aug and covers 5 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/pradosha-vrata?on=2005-08-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23114, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-08-17T12:10:44+07:00", "utc": "2005-08-17T05:10:44Z", "ms": 1124255444320.364 }, "end": { "local": "2005-08-18T08:34:33+07:00", "utc": "2005-08-18T01:34:33Z", "ms": 1124328872705.853 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-08-17T12:10:44+07:00", "utc": "2005-08-17T05:10:44Z", "ms": 1124255444320.364 }, "end": { "local": "2005-08-18T08:34:33+07:00", "utc": "2005-08-18T01:34:33Z", "ms": 1124328872705.853 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-08-17", "window": { "start": { "local": "2005-08-17T18:35:59+07:00", "utc": "2005-08-17T11:35:59Z", "ms": 1124278558558.2148 }, "end": { "local": "2005-08-17T20:10:12+07:00", "utc": "2005-08-17T13:10:12Z", "ms": 1124284212281.894 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2005-08-18", "window": { "start": { "local": "2005-08-18T18:35:40+07:00", "utc": "2005-08-18T11:35:40Z", "ms": 1124364939888.0947 }, "end": { "local": "2005-08-18T20:09:55+07:00", "utc": "2005-08-18T13:09:55Z", "ms": 1124370595010.7664 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:11 on Wed 17 Aug to 08:35 on Thu 18 Aug.", "fact": "2005-08-17T05:10:44Z → 2005-08-18T01:34:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:10 on the 17th, 18:36–20:10 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 94 of 94 minutes on the 17th and 0 of 94 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 23114 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Wednesday 17 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": "2005-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-17", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Wednesday 17 August. Trayodaśī runs from 12:11 on Wed 17 Aug to 08:35 on Thu 18 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-08-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19764, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-08-19T04:45:02+07:00", "utc": "2005-08-18T21:45:02Z", "ms": 1124401502336.684 }, "end": { "local": "2005-08-20T00:53:00+07:00", "utc": "2005-08-19T17:53:00Z", "ms": 1124473980350.1147 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2005-08-19T14:48:39+07:00", "utc": "2005-08-19T07:48:39Z", "ms": 1124437719341.4917 }, "end": { "local": "2005-08-20T00:53:00+07:00", "utc": "2005-08-19T17:53:00Z", "ms": 1124473980350.1147 } }, "kaala": "day", "days": [ { "local_date": "2005-08-19", "window": { "start": { "local": "2005-08-19T06:22:33+07:00", "utc": "2005-08-18T23:22:33Z", "ms": 1124407353308.1318 }, "end": { "local": "2005-08-20T06:22:25+07:00", "utc": "2005-08-19T23:22:25Z", "ms": 1124493744672.7239 } }, "covered_min": 604, "window_min": 1440, "qualifies": true }, { "local_date": "2005-08-20", "window": { "start": { "local": "2005-08-20T06:22:25+07:00", "utc": "2005-08-19T23:22:25Z", "ms": 1124493744672.7239 }, "end": { "local": "2005-08-21T06:22:16+07:00", "utc": "2005-08-20T23:22:16Z", "ms": 1124580135595.3518 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:45 on Fri 19 Aug to 00:53 on Sat 20 Aug. Its second half begins at 14:49 on Fri 19 Aug.", "fact": "2005-08-18T21:45:02Z → 2005-08-19T17:53:00Z · second half from 2005-08-19T07:48:39Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:23 on the 19th, and from 06:22 on the 20th.", "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 604 of 1440 minutes on the 19th and 0 of 1440 on the 20th.", "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 19764 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Medan, 2005: Friday 19 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": "2005-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-19", "confidence": "determinate" } ], "quote": "In Medan, Rakṣā Bandhana (Rakhi) 2005 falls on Friday 19 August. The second half of Pūrṇimā runs from 14:49 on Fri 19 Aug to 00:53 on Sat 20 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26395, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-08-19T04:45:02+07:00", "utc": "2005-08-18T21:45:02Z", "ms": 1124401502336.684 }, "end": { "local": "2005-08-20T00:53:00+07:00", "utc": "2005-08-19T17:53:00Z", "ms": 1124473980350.1147 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2005-08-19T04:45:02+07:00", "utc": "2005-08-18T21:45:02Z", "ms": 1124401502336.684 }, "end": { "local": "2005-08-20T00:53:00+07:00", "utc": "2005-08-19T17:53:00Z", "ms": 1124473980350.1147 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-08-19", "window": { "start": { "local": "2005-08-19T12:04:57+07:00", "utc": "2005-08-19T05:04:57Z", "ms": 1124427896994.4075 }, "end": { "local": "2005-08-19T12:52:57+07:00", "utc": "2005-08-19T05:52:57Z", "ms": 1124430776994.4075 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-08-20", "window": { "start": { "local": "2005-08-20T12:04:43+07:00", "utc": "2005-08-20T05:04:43Z", "ms": 1124514282813.5098 }, "end": { "local": "2005-08-20T12:52:43+07:00", "utc": "2005-08-20T05:52:43Z", "ms": 1124517162813.5098 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:45 on Fri 19 Aug to 00:53 on Sat 20 Aug.", "fact": "2005-08-18T21:45:02Z → 2005-08-19T17:53:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 19th, 12:05–12:53 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26395 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Medan, 2005: Friday 19 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": "2005-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-19", "confidence": "determinate" } ], "quote": "In Medan, Ṛṣi Tarpaṇa 2005 falls on Friday 19 August. Pūrṇimā runs from 04:45 on Fri 19 Aug to 00:53 on Sat 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-20", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 6582, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2005-08-20T21:09:19+07:00", "utc": "2005-08-20T14:09:19Z", "ms": 1124546958972.8242 }, "end": { "local": "2005-08-21T17:44:29+07:00", "utc": "2005-08-21T10:44:29Z", "ms": 1124621069196.509 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-08-20T21:09:19+07:00", "utc": "2005-08-20T14:09:19Z", "ms": 1124546958972.8242 }, "end": { "local": "2005-08-21T17:44:29+07:00", "utc": "2005-08-21T10:44:29Z", "ms": 1124621069196.509 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-08-20", "window": { "start": { "local": "2005-08-20T19:19:37+07:00", "utc": "2005-08-20T12:19:37Z", "ms": 1124540376937.502 }, "end": { "local": "2005-08-20T19:19:37+07:00", "utc": "2005-08-20T12:19:37Z", "ms": 1124540376937.502 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-08-21", "window": { "start": { "local": "2005-08-21T20:09:12+07:00", "utc": "2005-08-21T13:09:12Z", "ms": 1124629752354.9292 }, "end": { "local": "2005-08-21T20:09:12+07:00", "utc": "2005-08-21T13:09:12Z", "ms": 1124629752354.9292 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:09 on Sat 20 Aug to 17:44 on Sun 21 Aug.", "fact": "2005-08-20T14:09:19Z → 2005-08-21T10:44:29Z" }, { "step": "kaala", "text": "Moonrise is at 19:20 on the 20th and 20:09 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 6582 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Medan, 2005: Saturday 20 August.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2005-08-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-20", "confidence": "boundary" } ], "quote": "In Medan, Aśūnya Śayana Vrata 2005 falls on Saturday 20 August. Dvitīyā runs from 21:09 on Sat 20 Aug to 17:44 on Sun 21 Aug, and is current at moonrise on neither day.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6960, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2005-08-21T17:44:29+07:00", "utc": "2005-08-21T10:44:29Z", "ms": 1124621069196.509 }, "end": { "local": "2005-08-22T14:48:13+07:00", "utc": "2005-08-22T07:48:13Z", "ms": 1124696892788.9824 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-08-21T17:44:29+07:00", "utc": "2005-08-21T10:44:29Z", "ms": 1124621069196.509 }, "end": { "local": "2005-08-22T14:48:13+07:00", "utc": "2005-08-22T07:48:13Z", "ms": 1124696892788.9824 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-08-21", "window": { "start": { "local": "2005-08-21T12:04:28+07:00", "utc": "2005-08-21T05:04:28Z", "ms": 1124600668161.5403 }, "end": { "local": "2005-08-21T12:52:28+07:00", "utc": "2005-08-21T05:52:28Z", "ms": 1124603548161.5403 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-08-22", "window": { "start": { "local": "2005-08-22T12:04:13+07:00", "utc": "2005-08-22T05:04:13Z", "ms": 1124687053055.9534 }, "end": { "local": "2005-08-22T12:52:13+07:00", "utc": "2005-08-22T05:52:13Z", "ms": 1124689933055.9534 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:44 on Sun 21 Aug to 14:48 on Mon 22 Aug.", "fact": "2005-08-21T10:44:29Z → 2005-08-22T07:48:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 21st, 12:04–12:52 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6960 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Medan, 2005: Monday 22 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": "2005-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-22", "confidence": "determinate" } ], "quote": "In Medan, Kajjalī Tṛtīyā (Kajari Teej) 2005 falls on Monday 22 August. Tṛtīyā runs from 17:44 on Sun 21 Aug to 14:48 on Mon 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4780, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-08-22T14:48:13+07:00", "utc": "2005-08-22T07:48:13Z", "ms": 1124696892788.9824 }, "end": { "local": "2005-08-23T12:28:50+07:00", "utc": "2005-08-23T05:28:50Z", "ms": 1124774929823.788 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-08-22T14:48:13+07:00", "utc": "2005-08-22T07:48:13Z", "ms": 1124696892788.9824 }, "end": { "local": "2005-08-23T12:28:50+07:00", "utc": "2005-08-23T05:28:50Z", "ms": 1124774929823.788 } }, "kaala": "sayahna", "days": [ { "local_date": "2005-08-22", "window": { "start": { "local": "2005-08-22T16:07:53+07:00", "utc": "2005-08-22T09:07:53Z", "ms": 1124701673234.247 }, "end": { "local": "2005-08-22T18:34:20+07:00", "utc": "2005-08-22T11:34:20Z", "ms": 1124710460019.7761 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2005-08-23", "window": { "start": { "local": "2005-08-23T16:07:34+07:00", "utc": "2005-08-23T09:07:34Z", "ms": 1124788054314.863 }, "end": { "local": "2005-08-23T18:33:59+07:00", "utc": "2005-08-23T11:33:59Z", "ms": 1124796838848.8325 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:48 on Mon 22 Aug to 12:29 on Tue 23 Aug.", "fact": "2005-08-22T07:48:13Z → 2005-08-23T05:28:50Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:08–18:34 on the 22nd, 16:08–18:34 on the 23rd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 146 of 146 minutes on the 22nd and 0 of 146 on the 23rd.", "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 4780 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Medan, 2005: Monday 22 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": "2005-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-22", "confidence": "determinate" } ], "quote": "In Medan, Bahulā Caturthī 2005 falls on Monday 22 August. Caturthī runs from 14:48 on Mon 22 Aug to 12:29 on Tue 23 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-08-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22093, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-08-22T14:48:13+07:00", "utc": "2005-08-22T07:48:13Z", "ms": 1124696892788.9824 }, "end": { "local": "2005-08-23T12:28:50+07:00", "utc": "2005-08-23T05:28:50Z", "ms": 1124774929823.788 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-08-22T14:48:13+07:00", "utc": "2005-08-22T07:48:13Z", "ms": 1124696892788.9824 }, "end": { "local": "2005-08-23T12:28:50+07:00", "utc": "2005-08-23T05:28:50Z", "ms": 1124774929823.788 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-08-22", "window": { "start": { "local": "2005-08-22T20:56:26+07:00", "utc": "2005-08-22T13:56:26Z", "ms": 1124718986039.0015 }, "end": { "local": "2005-08-22T20:56:26+07:00", "utc": "2005-08-22T13:56:26Z", "ms": 1124718986039.0015 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-08-23", "window": { "start": { "local": "2005-08-23T21:42:44+07:00", "utc": "2005-08-23T14:42:44Z", "ms": 1124808163647.1372 }, "end": { "local": "2005-08-23T21:42:44+07:00", "utc": "2005-08-23T14:42:44Z", "ms": 1124808163647.1372 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:48 on Mon 22 Aug to 12:29 on Tue 23 Aug.", "fact": "2005-08-22T07:48:13Z → 2005-08-23T05:28:50Z" }, { "step": "kaala", "text": "Moonrise is at 20:56 on the 22nd and 21:43 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22093 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Monday 22 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": "2005-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-22", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Monday 22 August. Caturthī runs from 14:48 on Mon 22 Aug to 12:29 on Tue 23 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-08-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4260, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2005-08-24T10:52:41+07:00", "utc": "2005-08-24T03:52:41Z", "ms": 1124855561292.8794 }, "end": { "local": "2005-08-25T10:03:30+07:00", "utc": "2005-08-25T03:03:30Z", "ms": 1124939010288.5427 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-08-24T10:52:41+07:00", "utc": "2005-08-24T03:52:41Z", "ms": 1124855561292.8794 }, "end": { "local": "2005-08-25T10:03:30+07:00", "utc": "2005-08-25T03:03:30Z", "ms": 1124939010288.5427 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-08-24", "window": { "start": { "local": "2005-08-24T12:03:42+07:00", "utc": "2005-08-24T05:03:42Z", "ms": 1124859821551.9614 }, "end": { "local": "2005-08-24T12:51:42+07:00", "utc": "2005-08-24T05:51:42Z", "ms": 1124862701551.9614 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-08-25", "window": { "start": { "local": "2005-08-25T12:03:25+07:00", "utc": "2005-08-25T05:03:25Z", "ms": 1124946205185.952 }, "end": { "local": "2005-08-25T12:51:25+07:00", "utc": "2005-08-25T05:51:25Z", "ms": 1124949085185.952 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:53 on Wed 24 Aug to 10:04 on Thu 25 Aug.", "fact": "2005-08-24T03:52:41Z → 2005-08-25T03:03:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 24th, 12:03–12:51 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4260 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Medan, 2005: Wednesday 24 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": "2005-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-24", "confidence": "determinate" } ], "quote": "In Medan, Hala Ṣaṣṭhī 2005 falls on Wednesday 24 August. Ṣaṣṭhī runs from 10:53 on Wed 24 Aug to 10:04 on Thu 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7195, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2005-08-25T10:03:30+07:00", "utc": "2005-08-25T03:03:30Z", "ms": 1124939010288.5427 }, "end": { "local": "2005-08-26T10:01:50+07:00", "utc": "2005-08-26T03:01:50Z", "ms": 1125025310018.34 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-08-25T10:03:30+07:00", "utc": "2005-08-25T03:03:30Z", "ms": 1124939010288.5427 }, "end": { "local": "2005-08-26T10:01:50+07:00", "utc": "2005-08-26T03:01:50Z", "ms": 1125025310018.34 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-08-25", "window": { "start": { "local": "2005-08-25T12:03:25+07:00", "utc": "2005-08-25T05:03:25Z", "ms": 1124946205185.952 }, "end": { "local": "2005-08-25T12:51:25+07:00", "utc": "2005-08-25T05:51:25Z", "ms": 1124949085185.952 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-08-26", "window": { "start": { "local": "2005-08-26T12:03:08+07:00", "utc": "2005-08-26T05:03:08Z", "ms": 1125032588431.0615 }, "end": { "local": "2005-08-26T12:51:08+07:00", "utc": "2005-08-26T05:51:08Z", "ms": 1125035468431.0615 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:04 on Thu 25 Aug to 10:02 on Fri 26 Aug.", "fact": "2005-08-25T03:03:30Z → 2005-08-26T03:01:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 25th, 12:03–12:51 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 7195 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Medan, 2005: Thursday 25 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": "2005-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-25", "confidence": "determinate" } ], "quote": "In Medan, Śītalā Saptamī 2005 falls on Thursday 25 August. Saptamī runs from 10:04 on Thu 25 Aug to 10:02 on Fri 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33030, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2005-08-26T10:01:50+07:00", "utc": "2005-08-26T03:01:50Z", "ms": 1125025310018.34 }, "end": { "local": "2005-08-27T10:44:50+07:00", "utc": "2005-08-27T03:44:50Z", "ms": 1125114290425.576 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-08-26T10:01:50+07:00", "utc": "2005-08-26T03:01:50Z", "ms": 1125025310018.34 }, "end": { "local": "2005-08-27T10:44:50+07:00", "utc": "2005-08-27T03:44:50Z", "ms": 1125114290425.576 } }, "kaala": "nishita", "days": [ { "local_date": "2005-08-25", "window": { "start": { "local": "2005-08-26T00:03:20+07:00", "utc": "2005-08-25T17:03:20Z", "ms": 1124989399659.0737 }, "end": { "local": "2005-08-26T00:51:20+07:00", "utc": "2005-08-25T17:51:20Z", "ms": 1124992279659.0737 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-08-26", "window": { "start": { "local": "2005-08-27T00:03:03+07:00", "utc": "2005-08-26T17:03:03Z", "ms": 1125075782727.8232 }, "end": { "local": "2005-08-27T00:51:03+07:00", "utc": "2005-08-26T17:51:03Z", "ms": 1125078662727.8232 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:02 on Fri 26 Aug to 10:45 on Sat 27 Aug.", "fact": "2005-08-26T03:01:50Z → 2005-08-27T03:44:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 25th, 00:03–00:51 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33030 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Medan, 2005: Friday 26 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": "2005-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-26", "confidence": "determinate" } ], "quote": "In Medan, Janmāṣṭamī 2005 falls on Friday 26 August. Aṣṭamī runs from 10:02 on Fri 26 Aug to 10:45 on Sat 27 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-08-30", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27476, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-08-29T13:58:45+07:00", "utc": "2005-08-29T06:58:45Z", "ms": 1125298724541.9993 }, "end": { "local": "2005-08-30T16:11:57+07:00", "utc": "2005-08-30T09:11:57Z", "ms": 1125393116617.2776 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-08-29T13:58:45+07:00", "utc": "2005-08-29T06:58:45Z", "ms": 1125298724541.9993 }, "end": { "local": "2005-08-30T16:11:57+07:00", "utc": "2005-08-30T09:11:57Z", "ms": 1125393116617.2776 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-08-29", "window": { "start": { "local": "2005-08-29T06:20:49+07:00", "utc": "2005-08-28T23:20:49Z", "ms": 1125271248903.9678 }, "end": { "local": "2005-08-29T06:20:49+07:00", "utc": "2005-08-28T23:20:49Z", "ms": 1125271248903.9678 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-08-30", "window": { "start": { "local": "2005-08-30T06:20:37+07:00", "utc": "2005-08-29T23:20:37Z", "ms": 1125357636516.5713 }, "end": { "local": "2005-08-30T06:20:37+07:00", "utc": "2005-08-29T23:20:37Z", "ms": 1125357636516.5713 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:59 on Mon 29 Aug to 16:12 on Tue 30 Aug.", "fact": "2005-08-29T06:58:45Z → 2005-08-30T09:11:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 29th and 06:21 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27476 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Medan, 2005: Tuesday 30 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": "2005-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-08-30", "confidence": "determinate" } ], "quote": "In Medan, Ajā Ekādaśī 2005 falls on Tuesday 30 August. Ekādaśī runs from 13:59 on Mon 29 Aug to 16:12 on Tue 30 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-09-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-01", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 356, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-08-31T18:36:50+07:00", "utc": "2005-08-31T11:36:50Z", "ms": 1125488210336.8735 }, "end": { "local": "2005-09-01T21:05:06+07:00", "utc": "2005-09-01T14:05:06Z", "ms": 1125583506066.1787 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-08-31T18:36:50+07:00", "utc": "2005-08-31T11:36:50Z", "ms": 1125488210336.8735 }, "end": { "local": "2005-09-01T21:05:06+07:00", "utc": "2005-09-01T14:05:06Z", "ms": 1125583506066.1787 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-08-31", "window": { "start": { "local": "2005-08-31T18:30:55+07:00", "utc": "2005-08-31T11:30:55Z", "ms": 1125487854829.2205 }, "end": { "local": "2005-08-31T20:05:29+07:00", "utc": "2005-08-31T13:05:29Z", "ms": 1125493528965.3245 } }, "covered_min": 89, "window_min": 95, "qualifies": true }, { "local_date": "2005-09-01", "window": { "start": { "local": "2005-09-01T18:30:30+07:00", "utc": "2005-09-01T11:30:30Z", "ms": 1125574230232.939 }, "end": { "local": "2005-09-01T20:05:06+07:00", "utc": "2005-09-01T13:05:06Z", "ms": 1125579905881.4683 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:37 on Wed 31 Aug to 21:05 on Thu 1 Sep.", "fact": "2005-08-31T11:36:50Z → 2005-09-01T14:05:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:05 on the 31st, 18:31–20:05 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 89 of 95 minutes on the 31st and 95 of 95 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 356 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Thursday 1 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-01", "confidence": "boundary" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Thursday 1 September. Trayodaśī runs from 18:37 on Wed 31 Aug to 21:05 on Thu 1 Sep and covers all of pradoṣa that evening. It also reaches the previous evening for 89 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-09-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1865, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-09-01T21:05:06+07:00", "utc": "2005-09-01T14:05:06Z", "ms": 1125583506066.1787 }, "end": { "local": "2005-09-02T23:29:49+07:00", "utc": "2005-09-02T16:29:49Z", "ms": 1125678589389.3442 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-01T21:05:06+07:00", "utc": "2005-09-01T14:05:06Z", "ms": 1125583506066.1787 }, "end": { "local": "2005-09-02T23:29:49+07:00", "utc": "2005-09-02T16:29:49Z", "ms": 1125678589389.3442 } }, "kaala": "nishita", "days": [ { "local_date": "2005-09-01", "window": { "start": { "local": "2005-09-02T00:01:14+07:00", "utc": "2005-09-01T17:01:14Z", "ms": 1125594073914.9238 }, "end": { "local": "2005-09-02T00:49:14+07:00", "utc": "2005-09-01T17:49:14Z", "ms": 1125596953914.9238 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-09-02", "window": { "start": { "local": "2005-09-03T00:00:55+07:00", "utc": "2005-09-02T17:00:55Z", "ms": 1125680454707.7222 }, "end": { "local": "2005-09-03T00:48:55+07:00", "utc": "2005-09-02T17:48:55Z", "ms": 1125683334707.7222 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:05 on Thu 1 Sep to 23:30 on Fri 2 Sep.", "fact": "2005-09-01T14:05:06Z → 2005-09-02T16:29:49Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:01–00:49 on the 1st, 00:01–00:49 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1865 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Thursday 1 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": "2005-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-01", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Thursday 1 September. Caturdaśī runs from 21:05 on Thu 1 Sep to 23:30 on Fri 2 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3600, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-09-01T21:05:06+07:00", "utc": "2005-09-01T14:05:06Z", "ms": 1125583506066.1787 }, "end": { "local": "2005-09-02T23:29:49+07:00", "utc": "2005-09-02T16:29:49Z", "ms": 1125678589389.3442 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-01T21:05:06+07:00", "utc": "2005-09-01T14:05:06Z", "ms": 1125583506066.1787 }, "end": { "local": "2005-09-02T23:29:49+07:00", "utc": "2005-09-02T16:29:49Z", "ms": 1125678589389.3442 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-09-01", "window": { "start": { "local": "2005-09-01T18:30:30+07:00", "utc": "2005-09-01T11:30:30Z", "ms": 1125574230232.939 }, "end": { "local": "2005-09-01T20:05:06+07:00", "utc": "2005-09-01T13:05:06Z", "ms": 1125579905881.4683 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2005-09-02", "window": { "start": { "local": "2005-09-02T18:30:05+07:00", "utc": "2005-09-02T11:30:05Z", "ms": 1125660605334.4807 }, "end": { "local": "2005-09-02T20:04:43+07:00", "utc": "2005-09-02T13:04:43Z", "ms": 1125666282500.6785 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:05 on Thu 1 Sep to 23:30 on Fri 2 Sep.", "fact": "2005-09-01T14:05:06Z → 2005-09-02T16:29:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:05 on the 1st, 18:30–20:05 on the 2nd.", "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 95 minutes on the 1st and 95 of 95 on the 2nd.", "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 3600 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Medan, 2005: Friday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-02", "confidence": "determinate" } ], "quote": "In Medan, Aghora Caturdaśī 2005 falls on Friday 2 September. Caturdaśī runs from 21:05 on Thu 1 Sep to 23:30 on Fri 2 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29568, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2005-09-04T01:45:26+07:00", "utc": "2005-09-03T18:45:26Z", "ms": 1125773125743.0017 }, "end": { "local": "2005-09-05T03:47:15+07:00", "utc": "2005-09-04T20:47:15Z", "ms": 1125866835089.6863 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-04T01:45:26+07:00", "utc": "2005-09-03T18:45:26Z", "ms": 1125773125743.0017 }, "end": { "local": "2005-09-05T03:47:15+07:00", "utc": "2005-09-04T20:47:15Z", "ms": 1125866835089.6863 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-09-04", "window": { "start": { "local": "2005-09-04T12:00:23+07:00", "utc": "2005-09-04T05:00:23Z", "ms": 1125810022504.2185 }, "end": { "local": "2005-09-04T12:48:23+07:00", "utc": "2005-09-04T05:48:23Z", "ms": 1125812902504.2185 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-09-05", "window": { "start": { "local": "2005-09-05T12:00:03+07:00", "utc": "2005-09-05T05:00:03Z", "ms": 1125896402647.6748 }, "end": { "local": "2005-09-05T12:48:03+07:00", "utc": "2005-09-05T05:48:03Z", "ms": 1125899282647.6748 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:45 on Sun 4 Sep to 03:47 on Mon 5 Sep.", "fact": "2005-09-03T18:45:26Z → 2005-09-04T20:47:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 4th, 12:00–12:48 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29568 s" }, { "step": "ruling", "text": "Rudra Vrata, Medan, 2005: Sunday 4 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-04", "confidence": "determinate" } ], "quote": "In Medan, Rudra Vrata 2005 falls on Sunday 4 September. Pratipadā runs from 01:45 on Sun 4 Sep to 03:47 on Mon 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18414, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2005-09-06T05:31:01+07:00", "utc": "2005-09-05T22:31:01Z", "ms": 1125959461076.0112 }, "end": { "local": "2005-09-07T06:52:28+07:00", "utc": "2005-09-06T23:52:28Z", "ms": 1126050748205.323 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-06T05:31:01+07:00", "utc": "2005-09-05T22:31:01Z", "ms": 1125959461076.0112 }, "end": { "local": "2005-09-07T06:52:28+07:00", "utc": "2005-09-06T23:52:28Z", "ms": 1126050748205.323 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-09-06", "window": { "start": { "local": "2005-09-06T11:59:43+07:00", "utc": "2005-09-06T04:59:43Z", "ms": 1125982782560.4287 }, "end": { "local": "2005-09-06T12:47:43+07:00", "utc": "2005-09-06T05:47:43Z", "ms": 1125985662560.4287 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-09-07", "window": { "start": { "local": "2005-09-07T11:59:22+07:00", "utc": "2005-09-07T04:59:22Z", "ms": 1126069162257.749 }, "end": { "local": "2005-09-07T12:47:22+07:00", "utc": "2005-09-07T05:47:22Z", "ms": 1126072042257.749 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:31 on Tue 6 Sep to 06:52 on Wed 7 Sep.", "fact": "2005-09-05T22:31:01Z → 2005-09-06T23:52:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 6th, 11:59–12:47 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18414 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Medan, 2005: Tuesday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-06", "confidence": "determinate" } ], "quote": "In Medan, Haritālikā Vrata (Hartalika Teej) 2005 falls on Tuesday 6 September. Tṛtīyā runs from 05:31 on Tue 6 Sep to 06:52 on Wed 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15105, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-09-07T06:52:28+07:00", "utc": "2005-09-06T23:52:28Z", "ms": 1126050748205.323 }, "end": { "local": "2005-09-08T07:47:16+07:00", "utc": "2005-09-08T00:47:16Z", "ms": 1126140436255.999 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-07T06:52:28+07:00", "utc": "2005-09-06T23:52:28Z", "ms": 1126050748205.323 }, "end": { "local": "2005-09-08T07:47:16+07:00", "utc": "2005-09-08T00:47:16Z", "ms": 1126140436255.999 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-09-07", "window": { "start": { "local": "2005-09-07T11:59:22+07:00", "utc": "2005-09-07T04:59:22Z", "ms": 1126069162257.749 }, "end": { "local": "2005-09-07T12:47:22+07:00", "utc": "2005-09-07T05:47:22Z", "ms": 1126072042257.749 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-09-08", "window": { "start": { "local": "2005-09-08T11:59:02+07:00", "utc": "2005-09-08T04:59:02Z", "ms": 1126155541755.3103 }, "end": { "local": "2005-09-08T12:47:02+07:00", "utc": "2005-09-08T05:47:02Z", "ms": 1126158421755.3103 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:52 on Wed 7 Sep to 07:47 on Thu 8 Sep.", "fact": "2005-09-06T23:52:28Z → 2005-09-08T00:47:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 7th, 11:59–12:47 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15105 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Medan, 2005: Wednesday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-07", "confidence": "determinate" } ], "quote": "In Medan, Gaṇeśa Caturthī 2005 falls on Wednesday 7 September. Caturthī runs from 06:52 on Wed 7 Sep to 07:47 on Thu 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13646, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2005-09-08T07:47:16+07:00", "utc": "2005-09-08T00:47:16Z", "ms": 1126140436255.999 }, "end": { "local": "2005-09-09T08:11:15+07:00", "utc": "2005-09-09T01:11:15Z", "ms": 1126228274831.4604 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-08T07:47:16+07:00", "utc": "2005-09-08T00:47:16Z", "ms": 1126140436255.999 }, "end": { "local": "2005-09-09T08:11:15+07:00", "utc": "2005-09-09T01:11:15Z", "ms": 1126228274831.4604 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-09-08", "window": { "start": { "local": "2005-09-08T11:59:02+07:00", "utc": "2005-09-08T04:59:02Z", "ms": 1126155541755.3103 }, "end": { "local": "2005-09-08T12:47:02+07:00", "utc": "2005-09-08T05:47:02Z", "ms": 1126158421755.3103 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-09-09", "window": { "start": { "local": "2005-09-09T11:58:41+07:00", "utc": "2005-09-09T04:58:41Z", "ms": 1126241921069.2725 }, "end": { "local": "2005-09-09T12:46:41+07:00", "utc": "2005-09-09T05:46:41Z", "ms": 1126244801069.2725 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:47 on Thu 8 Sep to 08:11 on Fri 9 Sep.", "fact": "2005-09-08T00:47:16Z → 2005-09-09T01:11:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 8th, 11:59–12:47 on the 9th.", "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 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 13646 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Medan, 2005: Thursday 8 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-08", "confidence": "determinate" } ], "quote": "In Medan, Ṛṣi Pañcamī 2005 falls on Thursday 8 September. Pañcamī runs from 07:47 on Thu 8 Sep to 08:11 on Fri 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13646, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2005-09-09T08:11:15+07:00", "utc": "2005-09-09T01:11:15Z", "ms": 1126228274831.4604 }, "end": { "local": "2005-09-10T08:00:54+07:00", "utc": "2005-09-10T01:00:54Z", "ms": 1126314053885.3513 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-09T08:11:15+07:00", "utc": "2005-09-09T01:11:15Z", "ms": 1126228274831.4604 }, "end": { "local": "2005-09-10T08:00:54+07:00", "utc": "2005-09-10T01:00:54Z", "ms": 1126314053885.3513 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-09-09", "window": { "start": { "local": "2005-09-09T11:58:41+07:00", "utc": "2005-09-09T04:58:41Z", "ms": 1126241921069.2725 }, "end": { "local": "2005-09-09T12:46:41+07:00", "utc": "2005-09-09T05:46:41Z", "ms": 1126244801069.2725 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-09-10", "window": { "start": { "local": "2005-09-10T11:58:20+07:00", "utc": "2005-09-10T04:58:20Z", "ms": 1126328300216.3735 }, "end": { "local": "2005-09-10T12:46:20+07:00", "utc": "2005-09-10T05:46:20Z", "ms": 1126331180216.3735 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:11 on Fri 9 Sep to 08:01 on Sat 10 Sep.", "fact": "2005-09-09T01:11:15Z → 2005-09-10T01:00:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 9th, 11:58–12:46 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13646 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Medan, 2005: Friday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-09", "confidence": "determinate" } ], "quote": "In Medan, Sūrya Ṣaṣṭhī (Bhādrapada) 2005 falls on Friday 9 September. Ṣaṣṭhī runs from 08:11 on Fri 9 Sep to 08:01 on Sat 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14246, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2005-09-10T08:00:54+07:00", "utc": "2005-09-10T01:00:54Z", "ms": 1126314053885.3513 }, "end": { "local": "2005-09-11T07:14:00+07:00", "utc": "2005-09-11T00:14:00Z", "ms": 1126397640466.82 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-10T08:00:54+07:00", "utc": "2005-09-10T01:00:54Z", "ms": 1126314053885.3513 }, "end": { "local": "2005-09-11T07:14:00+07:00", "utc": "2005-09-11T00:14:00Z", "ms": 1126397640466.82 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-09-10", "window": { "start": { "local": "2005-09-10T11:58:20+07:00", "utc": "2005-09-10T04:58:20Z", "ms": 1126328300216.3735 }, "end": { "local": "2005-09-10T12:46:20+07:00", "utc": "2005-09-10T05:46:20Z", "ms": 1126331180216.3735 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-09-11", "window": { "start": { "local": "2005-09-11T11:57:59+07:00", "utc": "2005-09-11T04:57:59Z", "ms": 1126414679214.0396 }, "end": { "local": "2005-09-11T12:45:59+07:00", "utc": "2005-09-11T05:45:59Z", "ms": 1126417559214.0396 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:01 on Sat 10 Sep to 07:14 on Sun 11 Sep.", "fact": "2005-09-10T01:00:54Z → 2005-09-11T00:14:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 10th, 11:58–12:46 on the 11th.", "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 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: purvaviddha → only-day · margin 14246 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Medan, 2005: Saturday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-10", "confidence": "determinate" } ], "quote": "In Medan, Muktābharaṇa Vrata 2005 falls on Saturday 10 September. Saptamī runs from 08:01 on Sat 10 Sep to 07:14 on Sun 11 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17039, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2005-09-11T07:14:00+07:00", "utc": "2005-09-11T00:14:00Z", "ms": 1126397640466.82 }, "end": { "local": "2005-09-12T05:50:10+07:00", "utc": "2005-09-11T22:50:10Z", "ms": 1126479010159.2898 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-11T07:14:00+07:00", "utc": "2005-09-11T00:14:00Z", "ms": 1126397640466.82 }, "end": { "local": "2005-09-12T05:50:10+07:00", "utc": "2005-09-11T22:50:10Z", "ms": 1126479010159.2898 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-09-11", "window": { "start": { "local": "2005-09-11T11:57:59+07:00", "utc": "2005-09-11T04:57:59Z", "ms": 1126414679214.0396 }, "end": { "local": "2005-09-11T12:45:59+07:00", "utc": "2005-09-11T05:45:59Z", "ms": 1126417559214.0396 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-09-12", "window": { "start": { "local": "2005-09-12T11:57:38+07:00", "utc": "2005-09-12T04:57:38Z", "ms": 1126501058080.5117 }, "end": { "local": "2005-09-12T12:45:38+07:00", "utc": "2005-09-12T05:45:38Z", "ms": 1126503938080.5117 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:14 on Sun 11 Sep to 05:50 on Mon 12 Sep.", "fact": "2005-09-11T00:14:00Z → 2005-09-11T22:50:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 11th, 11:58–12:46 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17039 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Medan, 2005: Sunday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-11", "confidence": "determinate" } ], "quote": "In Medan, Rādhāṣṭamī 2005 falls on Sunday 11 September. Aṣṭamī runs from 07:14 on Sun 11 Sep to 05:50 on Mon 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-09-14", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17790, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-09-14T01:20:32+07:00", "utc": "2005-09-13T18:20:32Z", "ms": 1126635632165.9692 }, "end": { "local": "2005-09-14T22:24:15+07:00", "utc": "2005-09-14T15:24:15Z", "ms": 1126711454900.5007 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-14T01:20:32+07:00", "utc": "2005-09-13T18:20:32Z", "ms": 1126635632165.9692 }, "end": { "local": "2005-09-14T22:24:15+07:00", "utc": "2005-09-14T15:24:15Z", "ms": 1126711454900.5007 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-09-14", "window": { "start": { "local": "2005-09-14T06:17:02+07:00", "utc": "2005-09-13T23:17:02Z", "ms": 1126653422060.3499 }, "end": { "local": "2005-09-14T06:17:02+07:00", "utc": "2005-09-13T23:17:02Z", "ms": 1126653422060.3499 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-09-15", "window": { "start": { "local": "2005-09-15T06:16:47+07:00", "utc": "2005-09-14T23:16:47Z", "ms": 1126739806529.297 }, "end": { "local": "2005-09-15T06:16:47+07:00", "utc": "2005-09-14T23:16:47Z", "ms": 1126739806529.297 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:21 on Wed 14 Sep to 22:24 on Wed 14 Sep.", "fact": "2005-09-13T18:20:32Z → 2005-09-14T15:24:15Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 14th and 06:17 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17790 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Medan, 2005: Wednesday 14 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": "2005-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-14", "confidence": "determinate" } ], "quote": "In Medan, Parivartanī Ekādaśī 2005 falls on Wednesday 14 September. Ekādaśī runs from 01:21 on Wed 14 Sep to 22:24 on Wed 14 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23093, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2005-09-14T22:24:15+07:00", "utc": "2005-09-14T15:24:15Z", "ms": 1126711454900.5007 }, "end": { "local": "2005-09-15T19:09:27+07:00", "utc": "2005-09-15T12:09:27Z", "ms": 1126786166756.3687 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-14T22:24:15+07:00", "utc": "2005-09-14T15:24:15Z", "ms": 1126711454900.5007 }, "end": { "local": "2005-09-15T19:09:27+07:00", "utc": "2005-09-15T12:09:27Z", "ms": 1126786166756.3687 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-09-14", "window": { "start": { "local": "2005-09-14T11:56:55+07:00", "utc": "2005-09-14T04:56:55Z", "ms": 1126673815497.7622 }, "end": { "local": "2005-09-14T12:44:55+07:00", "utc": "2005-09-14T05:44:55Z", "ms": 1126676695497.7622 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-09-15", "window": { "start": { "local": "2005-09-15T11:56:34+07:00", "utc": "2005-09-15T04:56:34Z", "ms": 1126760194090.3313 }, "end": { "local": "2005-09-15T12:44:34+07:00", "utc": "2005-09-15T05:44:34Z", "ms": 1126763074090.3313 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:24 on Wed 14 Sep to 19:09 on Thu 15 Sep.", "fact": "2005-09-14T15:24:15Z → 2005-09-15T12:09:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 14th, 11:57–12:45 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23093 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Medan, 2005: Thursday 15 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": "2005-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-15", "confidence": "determinate" } ], "quote": "In Medan, Vāmana Jayantī 2005 falls on Thursday 15 September. Dvādaśī runs from 22:24 on Wed 14 Sep to 19:09 on Thu 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/pradosha-vrata?on=2005-09-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2705, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-09-15T19:09:27+07:00", "utc": "2005-09-15T12:09:27Z", "ms": 1126786166756.3687 }, "end": { "local": "2005-09-16T15:44:29+07:00", "utc": "2005-09-16T08:44:29Z", "ms": 1126860269184.9888 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-15T19:09:27+07:00", "utc": "2005-09-15T12:09:27Z", "ms": 1126786166756.3687 }, "end": { "local": "2005-09-16T15:44:29+07:00", "utc": "2005-09-16T08:44:29Z", "ms": 1126860269184.9888 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-09-15", "window": { "start": { "local": "2005-09-15T18:24:22+07:00", "utc": "2005-09-15T11:24:22Z", "ms": 1126783461651.3655 }, "end": { "local": "2005-09-15T19:59:19+07:00", "utc": "2005-09-15T12:59:19Z", "ms": 1126789158890.6357 } }, "covered_min": 50, "window_min": 95, "qualifies": true }, { "local_date": "2005-09-16", "window": { "start": { "local": "2005-09-16T18:23:54+07:00", "utc": "2005-09-16T11:23:54Z", "ms": 1126869834324.9062 }, "end": { "local": "2005-09-16T19:58:53+07:00", "utc": "2005-09-16T12:58:53Z", "ms": 1126875533125.9688 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:09 on Thu 15 Sep to 15:44 on Fri 16 Sep.", "fact": "2005-09-15T12:09:27Z → 2005-09-16T08:44:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:59 on the 15th, 18:24–19:59 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 50 of 95 minutes on the 15th and 0 of 95 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2705 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Thursday 15 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": "2005-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-15", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Thursday 15 September. Trayodaśī runs from 19:09 on Thu 15 Sep to 15:44 on Fri 16 Sep and covers 50 of 95 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13006, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-09-16T15:44:29+07:00", "utc": "2005-09-16T08:44:29Z", "ms": 1126860269184.9888 }, "end": { "local": "2005-09-17T12:18:27+07:00", "utc": "2005-09-17T05:18:27Z", "ms": 1126934307178.2422 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2005-09-16T15:44:29+07:00", "utc": "2005-09-16T08:44:29Z", "ms": 1126860269184.9888 }, "end": { "local": "2005-09-17T12:18:27+07:00", "utc": "2005-09-17T05:18:27Z", "ms": 1126934307178.2422 } }, "kaala": "udaya-3", "days": [ { "local_date": "2005-09-16", "window": { "start": { "local": "2005-09-16T06:16:31+07:00", "utc": "2005-09-15T23:16:31Z", "ms": 1126826190945.892 }, "end": { "local": "2005-09-16T08:42:00+07:00", "utc": "2005-09-16T01:42:00Z", "ms": 1126834919621.6948 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "2005-09-17", "window": { "start": { "local": "2005-09-17T06:16:15+07:00", "utc": "2005-09-16T23:16:15Z", "ms": 1126912575332.8752 }, "end": { "local": "2005-09-17T08:41:42+07:00", "utc": "2005-09-17T01:41:42Z", "ms": 1126921301662.421 } }, "covered_min": 145, "window_min": 145, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:44 on Fri 16 Sep to 12:18 on Sat 17 Sep.", "fact": "2005-09-16T08:44:29Z → 2005-09-17T05:18:27Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:17–08:42 on the 16th, 06:16–08:42 on the 17th.", "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 145 minutes on the 16th and 145 of 145 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13006 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Medan, 2005: Saturday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-17", "confidence": "determinate" } ], "quote": "In Medan, Ananta Caturdaśī 2005 falls on Saturday 17 September. Caturdaśī runs from 15:44 on Fri 16 Sep to 12:18 on Sat 17 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-09-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11114, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-09-21T01:29:24+07:00", "utc": "2005-09-20T18:29:24Z", "ms": 1127240963977.793 }, "end": { "local": "2005-09-22T00:12:23+07:00", "utc": "2005-09-21T17:12:23Z", "ms": 1127322742925.9744 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-09-21T01:29:24+07:00", "utc": "2005-09-20T18:29:24Z", "ms": 1127240963977.793 }, "end": { "local": "2005-09-22T00:12:23+07:00", "utc": "2005-09-21T17:12:23Z", "ms": 1127322742925.9744 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-09-20", "window": { "start": { "local": "2005-09-20T20:18:32+07:00", "utc": "2005-09-20T13:18:32Z", "ms": 1127222311757.9146 }, "end": { "local": "2005-09-20T20:18:32+07:00", "utc": "2005-09-20T13:18:32Z", "ms": 1127222311757.9146 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-09-21", "window": { "start": { "local": "2005-09-21T21:07:09+07:00", "utc": "2005-09-21T14:07:09Z", "ms": 1127311628683.296 }, "end": { "local": "2005-09-21T21:07:09+07:00", "utc": "2005-09-21T14:07:09Z", "ms": 1127311628683.296 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:29 on Wed 21 Sep to 00:12 on Thu 22 Sep.", "fact": "2005-09-20T18:29:24Z → 2005-09-21T17:12:23Z" }, { "step": "kaala", "text": "Moonrise is at 20:19 on the 20th and 21:07 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11114 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Wednesday 21 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": "2005-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-21", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Wednesday 21 September. Caturthī runs from 01:29 on Wed 21 Sep to 00:12 on Thu 22 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3992, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2005-09-22T23:40:55+07:00", "utc": "2005-09-22T16:40:55Z", "ms": 1127407255207.3628 }, "end": { "local": "2005-09-23T23:56:14+07:00", "utc": "2005-09-23T16:56:14Z", "ms": 1127494574483.006 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-09-22T23:40:55+07:00", "utc": "2005-09-22T16:40:55Z", "ms": 1127407255207.3628 }, "end": { "local": "2005-09-23T23:56:14+07:00", "utc": "2005-09-23T16:56:14Z", "ms": 1127494574483.006 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-09-22", "window": { "start": { "local": "2005-09-22T21:57:32+07:00", "utc": "2005-09-22T14:57:32Z", "ms": 1127401052029.107 }, "end": { "local": "2005-09-22T21:57:32+07:00", "utc": "2005-09-22T14:57:32Z", "ms": 1127401052029.107 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-09-23", "window": { "start": { "local": "2005-09-23T22:49:43+07:00", "utc": "2005-09-23T15:49:43Z", "ms": 1127490582571.442 }, "end": { "local": "2005-09-23T22:49:43+07:00", "utc": "2005-09-23T15:49:43Z", "ms": 1127490582571.442 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:41 on Thu 22 Sep to 23:56 on Fri 23 Sep.", "fact": "2005-09-22T16:40:55Z → 2005-09-23T16:56:14Z" }, { "step": "kaala", "text": "Moonrise is at 21:58 on the 22nd and 22:50 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3992 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Medan, 2005: Friday 23 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": "2005-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-23", "confidence": "determinate" } ], "quote": "In Medan, Candra Ṣaṣṭhī 2005 falls on Friday 23 September. Ṣaṣṭhī runs from 23:41 on Thu 22 Sep to 23:56 on Fri 23 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18031, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2005-09-25T00:56:00+07:00", "utc": "2005-09-24T17:56:00Z", "ms": 1127584559677.5386 }, "end": { "local": "2005-09-26T02:34:06+07:00", "utc": "2005-09-25T19:34:06Z", "ms": 1127676846239.2188 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-09-25T00:56:00+07:00", "utc": "2005-09-24T17:56:00Z", "ms": 1127584559677.5386 }, "end": { "local": "2005-09-26T02:34:06+07:00", "utc": "2005-09-25T19:34:06Z", "ms": 1127676846239.2188 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-09-24", "window": { "start": { "local": "2005-09-24T18:20:17+07:00", "utc": "2005-09-24T11:20:17Z", "ms": 1127560817178.1855 }, "end": { "local": "2005-09-24T19:55:29+07:00", "utc": "2005-09-24T12:55:29Z", "ms": 1127566528513.143 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2005-09-25", "window": { "start": { "local": "2005-09-25T18:19:51+07:00", "utc": "2005-09-25T11:19:51Z", "ms": 1127647190578.735 }, "end": { "local": "2005-09-25T19:55:03+07:00", "utc": "2005-09-25T12:55:03Z", "ms": 1127652903481.6418 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:56 on Sun 25 Sep to 02:34 on Mon 26 Sep.", "fact": "2005-09-24T17:56:00Z → 2005-09-25T19:34:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–19:55 on the 24th, 18:20–19:55 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 95 minutes on the 24th and 95 of 95 on the 25th.", "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 18031 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Medan, 2005: Sunday 25 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": "2005-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-25", "confidence": "determinate" } ], "quote": "In Medan, Jitāṣṭamī (Jitiya) 2005 falls on Sunday 25 September. Aṣṭamī runs from 00:56 on Sun 25 Sep to 02:34 on Mon 26 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4378, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2005-09-25T00:56:00+07:00", "utc": "2005-09-24T17:56:00Z", "ms": 1127584559677.5386 }, "end": { "local": "2005-09-26T02:34:06+07:00", "utc": "2005-09-25T19:34:06Z", "ms": 1127676846239.2188 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-09-25T00:56:00+07:00", "utc": "2005-09-24T17:56:00Z", "ms": 1127584559677.5386 }, "end": { "local": "2005-09-26T02:34:06+07:00", "utc": "2005-09-25T19:34:06Z", "ms": 1127676846239.2188 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-09-24", "window": { "start": { "local": "2005-09-24T23:43:02+07:00", "utc": "2005-09-24T16:43:02Z", "ms": 1127580181733.8606 }, "end": { "local": "2005-09-24T23:43:02+07:00", "utc": "2005-09-24T16:43:02Z", "ms": 1127580181733.8606 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-09-25", "window": { "start": { "local": "2005-09-26T00:36:21+07:00", "utc": "2005-09-25T17:36:21Z", "ms": 1127669781042.265 }, "end": { "local": "2005-09-26T00:36:21+07:00", "utc": "2005-09-25T17:36:21Z", "ms": 1127669781042.265 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:56 on Sun 25 Sep to 02:34 on Mon 26 Sep.", "fact": "2005-09-24T17:56:00Z → 2005-09-25T19:34:06Z" }, { "step": "kaala", "text": "Moonrise is at 23:43 on the 24th and 00:36 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4378 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Medan, 2005: Sunday 25 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": "2005-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-25", "confidence": "determinate" } ], "quote": "In Medan, Mahālakṣmī Vrata Samāpana 2005 falls on Sunday 25 September. Aṣṭamī runs from 00:56 on Sun 25 Sep to 02:34 on Mon 26 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-09-29", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3154, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-09-28T07:06:02+07:00", "utc": "2005-09-28T00:06:02Z", "ms": 1127865962229.158 }, "end": { "local": "2005-09-29T09:36:29+07:00", "utc": "2005-09-29T02:36:29Z", "ms": 1127961389009.343 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-09-28T07:06:02+07:00", "utc": "2005-09-28T00:06:02Z", "ms": 1127865962229.158 }, "end": { "local": "2005-09-29T09:36:29+07:00", "utc": "2005-09-29T02:36:29Z", "ms": 1127961389009.343 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-09-28", "window": { "start": { "local": "2005-09-28T06:13:28+07:00", "utc": "2005-09-27T23:13:28Z", "ms": 1127862808260.2441 }, "end": { "local": "2005-09-28T06:13:28+07:00", "utc": "2005-09-27T23:13:28Z", "ms": 1127862808260.2441 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-09-29", "window": { "start": { "local": "2005-09-29T06:13:14+07:00", "utc": "2005-09-28T23:13:14Z", "ms": 1127949194046.716 }, "end": { "local": "2005-09-29T06:13:14+07:00", "utc": "2005-09-28T23:13:14Z", "ms": 1127949194046.716 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:06 on Wed 28 Sep to 09:36 on Thu 29 Sep.", "fact": "2005-09-28T00:06:02Z → 2005-09-29T02:36:29Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 28th and 06:13 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 3154 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Medan, 2005: Thursday 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": "2005-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-29", "confidence": "determinate" } ], "quote": "In Medan, Indirā Ekādaśī 2005 falls on Thursday 29 September. Ekādaśī runs from 07:06 on Wed 28 Sep to 09:36 on Thu 29 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-09-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14691, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-09-30T12:01:36+07:00", "utc": "2005-09-30T05:01:36Z", "ms": 1128056495671.6626 }, "end": { "local": "2005-10-01T14:12:25+07:00", "utc": "2005-10-01T07:12:25Z", "ms": 1128150745271.7798 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-09-30T12:01:36+07:00", "utc": "2005-09-30T05:01:36Z", "ms": 1128056495671.6626 }, "end": { "local": "2005-10-01T14:12:25+07:00", "utc": "2005-10-01T07:12:25Z", "ms": 1128150745271.7798 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-09-30", "window": { "start": { "local": "2005-09-30T18:17:41+07:00", "utc": "2005-09-30T11:17:41Z", "ms": 1128079060916.4487 }, "end": { "local": "2005-09-30T19:53:02+07:00", "utc": "2005-09-30T12:53:02Z", "ms": 1128084781643.8982 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "2005-10-01", "window": { "start": { "local": "2005-10-01T18:17:16+07:00", "utc": "2005-10-01T11:17:16Z", "ms": 1128165435791.0146 }, "end": { "local": "2005-10-01T19:52:38+07:00", "utc": "2005-10-01T12:52:38Z", "ms": 1128171158078.3857 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:02 on Fri 30 Sep to 14:12 on Sat 1 Oct.", "fact": "2005-09-30T05:01:36Z → 2005-10-01T07:12:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:53 on the 30th, 18:17–19:53 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 95 of 95 minutes on the 30th and 0 of 95 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 14691 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Friday 30 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": "2005-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-09-30", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Friday 30 September. Trayodaśī runs from 12:02 on Fri 30 Sep to 14:12 on Sat 1 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-09-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-10-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28084, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-10-01T14:12:25+07:00", "utc": "2005-10-01T07:12:25Z", "ms": 1128150745271.7798 }, "end": { "local": "2005-10-02T16:02:32+07:00", "utc": "2005-10-02T09:02:32Z", "ms": 1128243751644.8071 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-10-01T14:12:25+07:00", "utc": "2005-10-01T07:12:25Z", "ms": 1128150745271.7798 }, "end": { "local": "2005-10-02T16:02:32+07:00", "utc": "2005-10-02T09:02:32Z", "ms": 1128243751644.8071 } }, "kaala": "nishita", "days": [ { "local_date": "2005-10-01", "window": { "start": { "local": "2005-10-01T23:50:54+07:00", "utc": "2005-10-01T16:50:54Z", "ms": 1128185454368.6558 }, "end": { "local": "2005-10-02T00:38:54+07:00", "utc": "2005-10-01T17:38:54Z", "ms": 1128188334368.6558 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-10-02", "window": { "start": { "local": "2005-10-02T23:50:35+07:00", "utc": "2005-10-02T16:50:35Z", "ms": 1128271835398.0981 }, "end": { "local": "2005-10-03T00:38:35+07:00", "utc": "2005-10-02T17:38:35Z", "ms": 1128274715398.0981 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:12 on Sat 1 Oct to 16:03 on Sun 2 Oct.", "fact": "2005-10-01T07:12:25Z → 2005-10-02T09:02:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 1st, 23:51–00:39 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28084 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Saturday 1 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": "2005-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-01", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Saturday 1 October. Caturdaśī runs from 14:12 on Sat 1 Oct to 16:03 on Sun 2 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 632, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2005-10-02T16:02:32+07:00", "utc": "2005-10-02T09:02:32Z", "ms": 1128243751644.8071 }, "end": { "local": "2005-10-03T17:27:53+07:00", "utc": "2005-10-03T10:27:53Z", "ms": 1128335273165.0833 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-10-02T16:02:32+07:00", "utc": "2005-10-02T09:02:32Z", "ms": 1128243751644.8071 }, "end": { "local": "2005-10-03T17:27:53+07:00", "utc": "2005-10-03T10:27:53Z", "ms": 1128335273165.0833 } }, "kaala": "aparahna", "days": [ { "local_date": "2005-10-02", "window": { "start": { "local": "2005-10-02T13:27:08+07:00", "utc": "2005-10-02T06:27:08Z", "ms": 1128234427766.2688 }, "end": { "local": "2005-10-02T15:51:59+07:00", "utc": "2005-10-02T08:51:59Z", "ms": 1128243119372.926 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "2005-10-03", "window": { "start": { "local": "2005-10-03T13:26:48+07:00", "utc": "2005-10-03T06:26:48Z", "ms": 1128320807826.9448 }, "end": { "local": "2005-10-03T15:51:37+07:00", "utc": "2005-10-03T08:51:37Z", "ms": 1128329497163.722 } }, "covered_min": 145, "window_min": 145, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:03 on Sun 2 Oct to 17:28 on Mon 3 Oct.", "fact": "2005-10-02T09:02:32Z → 2005-10-03T10:27:53Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:27–15:52 on the 2nd, 13:27–15:52 on the 3rd.", "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 145 minutes on the 2nd and 145 of 145 on the 3rd.", "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 632 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Medan, 2005: Monday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-03", "confidence": "determinate" } ], "quote": "In Medan, Mahālaya Amāvāsyā 2005 falls on Monday 3 October. Amāvasyā runs from 16:03 on Sun 2 Oct to 17:28 on Mon 3 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17370, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2005-10-03T17:27:53+07:00", "utc": "2005-10-03T10:27:53Z", "ms": 1128335273165.0833 }, "end": { "local": "2005-10-04T18:26:25+07:00", "utc": "2005-10-04T11:26:25Z", "ms": 1128425185108.9944 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-10-03T17:27:53+07:00", "utc": "2005-10-03T10:27:53Z", "ms": 1128335273165.0833 }, "end": { "local": "2005-10-04T18:26:25+07:00", "utc": "2005-10-04T11:26:25Z", "ms": 1128425185108.9944 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-10-03", "window": { "start": { "local": "2005-10-03T11:50:23+07:00", "utc": "2005-10-03T04:50:23Z", "ms": 1128315023158.5562 }, "end": { "local": "2005-10-03T12:38:23+07:00", "utc": "2005-10-03T05:38:23Z", "ms": 1128317903158.5562 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-10-04", "window": { "start": { "local": "2005-10-04T11:50:05+07:00", "utc": "2005-10-04T04:50:05Z", "ms": 1128401404685.726 }, "end": { "local": "2005-10-04T12:38:05+07:00", "utc": "2005-10-04T05:38:05Z", "ms": 1128404284685.726 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:28 on Mon 3 Oct to 18:26 on Tue 4 Oct.", "fact": "2005-10-03T10:27:53Z → 2005-10-04T11:26:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 3rd, 11:50–12:38 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17370 s" }, { "step": "ruling", "text": "Navarātrārambha, Medan, 2005: Tuesday 4 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-04", "confidence": "determinate" } ], "quote": "In Medan, Navarātrārambha (Navratri) 2005 falls on Tuesday 4 October. Pratipadā runs from 17:28 on Mon 3 Oct to 18:26 on Tue 4 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-10-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21633, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-10-06T19:00:59+07:00", "utc": "2005-10-06T12:00:59Z", "ms": 1128600059333.4675 }, "end": { "local": "2005-10-07T18:37:45+07:00", "utc": "2005-10-07T11:37:45Z", "ms": 1128685064748.3337 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-10-06T19:00:59+07:00", "utc": "2005-10-06T12:00:59Z", "ms": 1128600059333.4675 }, "end": { "local": "2005-10-07T18:37:45+07:00", "utc": "2005-10-07T11:37:45Z", "ms": 1128685064748.3337 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-10-06", "window": { "start": { "local": "2005-10-06T11:49:29+07:00", "utc": "2005-10-06T04:49:29Z", "ms": 1128574168802.082 }, "end": { "local": "2005-10-06T12:37:29+07:00", "utc": "2005-10-06T05:37:29Z", "ms": 1128577048802.082 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-10-07", "window": { "start": { "local": "2005-10-07T11:49:11+07:00", "utc": "2005-10-07T04:49:11Z", "ms": 1128660551424.4763 }, "end": { "local": "2005-10-07T12:37:11+07:00", "utc": "2005-10-07T05:37:11Z", "ms": 1128663431424.4763 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:01 on Thu 6 Oct to 18:38 on Fri 7 Oct.", "fact": "2005-10-06T12:00:59Z → 2005-10-07T11:37:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 6th, 11:49–12:37 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21633 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Friday 7 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": "2005-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-07", "confidence": "determinate" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Friday 7 October. Caturthī runs from 19:01 on Thu 6 Oct to 18:38 on Fri 7 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/vinayaka-chaturthi?on=2005-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28699, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2005-10-09T16:34:37+07:00", "utc": "2005-10-09T09:34:37Z", "ms": 1128850476850.7861 }, "end": { "local": "2005-10-10T14:57:27+07:00", "utc": "2005-10-10T07:57:27Z", "ms": 1128931047461.8997 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-10-09T16:34:37+07:00", "utc": "2005-10-09T09:34:37Z", "ms": 1128850476850.7861 }, "end": { "local": "2005-10-10T14:57:27+07:00", "utc": "2005-10-10T07:57:27Z", "ms": 1128931047461.8997 } }, "kaala": "udaya-1", "days": [ { "local_date": "2005-10-09", "window": { "start": { "local": "2005-10-09T06:11:08+07:00", "utc": "2005-10-08T23:11:08Z", "ms": 1128813068154.5325 }, "end": { "local": "2005-10-09T06:59:20+07:00", "utc": "2005-10-08T23:59:20Z", "ms": 1128815960118.0247 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-10-10", "window": { "start": { "local": "2005-10-10T06:10:58+07:00", "utc": "2005-10-09T23:10:58Z", "ms": 1128899457542.7747 }, "end": { "local": "2005-10-10T06:59:09+07:00", "utc": "2005-10-09T23:59:09Z", "ms": 1128902348770.2007 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:35 on Sun 9 Oct to 14:57 on Mon 10 Oct.", "fact": "2005-10-09T09:34:37Z → 2005-10-10T07:57:27Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:11–06:59 on the 9th, 06:11–06:59 on the 10th.", "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 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28699 s" }, { "step": "ruling", "text": "Durgā Saptamī, Medan, 2005: Monday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-10", "confidence": "determinate" } ], "quote": "In Medan, Durgā Saptamī 2005 falls on Monday 10 October. Saptamī runs from 16:35 on Sun 9 Oct to 14:57 on Mon 10 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1388, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2005-10-10T14:57:27+07:00", "utc": "2005-10-10T07:57:27Z", "ms": 1128931047461.8997 }, "end": { "local": "2005-10-11T12:59:14+07:00", "utc": "2005-10-11T05:59:14Z", "ms": 1129010354152.7358 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-10-10T14:57:27+07:00", "utc": "2005-10-10T07:57:27Z", "ms": 1128931047461.8997 }, "end": { "local": "2005-10-11T12:59:14+07:00", "utc": "2005-10-11T05:59:14Z", "ms": 1129010354152.7358 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-10-10", "window": { "start": { "local": "2005-10-10T11:48:22+07:00", "utc": "2005-10-10T04:48:22Z", "ms": 1128919701748.47 }, "end": { "local": "2005-10-10T12:36:22+07:00", "utc": "2005-10-10T05:36:22Z", "ms": 1128922581748.47 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-10-11", "window": { "start": { "local": "2005-10-11T11:48:06+07:00", "utc": "2005-10-11T04:48:06Z", "ms": 1129006086066.0205 }, "end": { "local": "2005-10-11T12:36:06+07:00", "utc": "2005-10-11T05:36:06Z", "ms": 1129008966066.0205 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:57 on Mon 10 Oct to 12:59 on Tue 11 Oct.", "fact": "2005-10-10T07:57:27Z → 2005-10-11T05:59:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 10th, 11:48–12:36 on the 11th.", "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 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1388 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Medan, 2005: Tuesday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-11", "confidence": "determinate" } ], "quote": "In Medan, Mahāṣṭamī (Durga Ashtami) 2005 falls on Tuesday 11 October. Aṣṭamī runs from 14:57 on Mon 10 Oct to 12:59 on Tue 11 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7874, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2005-10-12T10:42:50+07:00", "utc": "2005-10-12T03:42:50Z", "ms": 1129088570060.7405 }, "end": { "local": "2005-10-13T08:12:00+07:00", "utc": "2005-10-13T01:12:00Z", "ms": 1129165920380.7893 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2005-10-12T10:42:50+07:00", "utc": "2005-10-12T03:42:50Z", "ms": 1129088570060.7405 }, "end": { "local": "2005-10-13T03:59:15+07:00", "utc": "2005-10-12T20:59:15Z", "ms": 1129150754561.2358 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2005-10-12T05:42:40+07:00", "utc": "2005-10-11T22:42:40Z", "ms": 1129070559590.7312 }, "end": { "local": "2005-10-13T03:59:15+07:00", "utc": "2005-10-12T20:59:15Z", "ms": 1129150754561.2358 } } }, "kaala": "daytime", "days": [ { "local_date": "2005-10-12", "window": { "start": { "local": "2005-10-12T06:10:38+07:00", "utc": "2005-10-11T23:10:38Z", "ms": 1129072237605.7556 }, "end": { "local": "2005-10-12T18:13:04+07:00", "utc": "2005-10-12T11:13:04Z", "ms": 1129115584097.7778 } }, "covered_min": 450, "window_min": 722, "qualifies": true }, { "local_date": "2005-10-13", "window": { "start": { "local": "2005-10-13T06:10:28+07:00", "utc": "2005-10-12T23:10:28Z", "ms": 1129158628315.5186 }, "end": { "local": "2005-10-13T18:12:44+07:00", "utc": "2005-10-13T11:12:44Z", "ms": 1129201963934.371 } }, "covered_min": 0, "window_min": 722, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 10:43 on Wed 12 Oct to 08:12 on Thu 13 Oct, and Śravaṇa from 05:43 on Wed 12 Oct to 03:59 on Thu 13 Oct. They are together from 10:43 on Wed 12 Oct to 03:59 on Thu 13 Oct.", "fact": "2005-10-12T03:42:50Z → 2005-10-12T20:59:15Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:11–18:13 on the 12th, 06:10–18:13 on the 13th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 450 of 722 minutes on the 12th and 0 of 722 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7874 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Medan, 2005: Wednesday 12 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-12", "confidence": "determinate" } ], "quote": "In Medan, Vijayā Daśamī (Dussehra) 2005 falls on Wednesday 12 October. Daśamī runs from 10:43 on Wed 12 Oct to 08:12 on Thu 13 Oct and is with Śravaṇa in the day time that day, for 450 minutes.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1388, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2005-10-11T12:59:14+07:00", "utc": "2005-10-11T05:59:14Z", "ms": 1129010354152.7358 }, "end": { "local": "2005-10-12T10:42:50+07:00", "utc": "2005-10-12T03:42:50Z", "ms": 1129088570060.7405 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-10-11T12:59:14+07:00", "utc": "2005-10-11T05:59:14Z", "ms": 1129010354152.7358 }, "end": { "local": "2005-10-12T10:42:50+07:00", "utc": "2005-10-12T03:42:50Z", "ms": 1129088570060.7405 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-10-11", "window": { "start": { "local": "2005-10-11T11:48:06+07:00", "utc": "2005-10-11T04:48:06Z", "ms": 1129006086066.0205 }, "end": { "local": "2005-10-11T12:36:06+07:00", "utc": "2005-10-11T05:36:06Z", "ms": 1129008966066.0205 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-10-12", "window": { "start": { "local": "2005-10-12T11:47:51+07:00", "utc": "2005-10-12T04:47:51Z", "ms": 1129092470851.7666 }, "end": { "local": "2005-10-12T12:35:51+07:00", "utc": "2005-10-12T05:35:51Z", "ms": 1129095350851.7666 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 12:59 on Tue 11 Oct to 10:43 on Wed 12 Oct.", "fact": "2005-10-11T05:59:14Z → 2005-10-12T03:42:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 11th, 11:48–12:36 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 1388 s" }, { "step": "ruling", "text": "Mahānavamī, Medan, 2005: Wednesday 12 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-11", "confidence": "determinate" } ], "quote": "In Medan, Mahānavamī 2005 falls on Wednesday 12 October. Navamī runs from 12:59 on Tue 11 Oct to 10:43 on Wed 12 Oct, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-10-13", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2334, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-10-13T08:12:00+07:00", "utc": "2005-10-13T01:12:00Z", "ms": 1129165920380.7893 }, "end": { "local": "2005-10-14T05:31:25+07:00", "utc": "2005-10-13T22:31:25Z", "ms": 1129242685321.135 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-10-13T08:12:00+07:00", "utc": "2005-10-13T01:12:00Z", "ms": 1129165920380.7893 }, "end": { "local": "2005-10-14T05:31:25+07:00", "utc": "2005-10-13T22:31:25Z", "ms": 1129242685321.135 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-10-13", "window": { "start": { "local": "2005-10-13T06:10:28+07:00", "utc": "2005-10-12T23:10:28Z", "ms": 1129158628315.5186 }, "end": { "local": "2005-10-13T06:10:28+07:00", "utc": "2005-10-12T23:10:28Z", "ms": 1129158628315.5186 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-10-14", "window": { "start": { "local": "2005-10-14T06:10:20+07:00", "utc": "2005-10-13T23:10:20Z", "ms": 1129245019502.2998 }, "end": { "local": "2005-10-14T06:10:20+07:00", "utc": "2005-10-13T23:10:20Z", "ms": 1129245019502.2998 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:12 on Thu 13 Oct to 05:31 on Fri 14 Oct.", "fact": "2005-10-13T01:12:00Z → 2005-10-13T22:31:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 13th and 06:10 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is not on the 14th.", "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 2334 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Medan, 2005: Thursday 13 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": "2005-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-13", "confidence": "determinate" } ], "quote": "In Medan, Pāśāṅkuśā Ekādaśī 2005 falls on Thursday 13 October. Ekādaśī runs from 08:12 on Thu 13 Oct to 05:31 on Fri 14 Oct, and is current at sunrise on neither day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-10-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15372, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-10-15T02:46:39+07:00", "utc": "2005-10-14T19:46:39Z", "ms": 1129319198521.7883 }, "end": { "local": "2005-10-16T00:04:01+07:00", "utc": "2005-10-15T17:04:01Z", "ms": 1129395841356.583 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2005-10-15T02:46:39+07:00", "utc": "2005-10-14T19:46:39Z", "ms": 1129319198521.7883 }, "end": { "local": "2005-10-16T00:04:01+07:00", "utc": "2005-10-15T17:04:01Z", "ms": 1129395841356.583 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-10-14", "window": { "start": { "local": "2005-10-14T18:12:24+07:00", "utc": "2005-10-14T11:12:24Z", "ms": 1129288344309.0696 }, "end": { "local": "2005-10-14T19:48:07+07:00", "utc": "2005-10-14T12:48:07Z", "ms": 1129294086559.308 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2005-10-15", "window": { "start": { "local": "2005-10-15T18:12:05+07:00", "utc": "2005-10-15T11:12:05Z", "ms": 1129374725244.0256 }, "end": { "local": "2005-10-15T19:47:49+07:00", "utc": "2005-10-15T12:47:49Z", "ms": 1129380468996.378 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:47 on Sat 15 Oct to 00:04 on Sun 16 Oct.", "fact": "2005-10-14T19:46:39Z → 2005-10-15T17:04:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–19:48 on the 14th, 18:12–19:48 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 96 minutes on the 14th and 96 of 96 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 15372 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Saturday 15 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": "2005-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-15", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Saturday 15 October. Trayodaśī runs from 02:47 on Sat 15 Oct to 00:04 on Sun 16 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-10-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19358, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-10-20T15:14:32+07:00", "utc": "2005-10-20T08:14:32Z", "ms": 1129796072392.6235 }, "end": { "local": "2005-10-21T15:11:35+07:00", "utc": "2005-10-21T08:11:35Z", "ms": 1129882295078.0486 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-10-20T15:14:32+07:00", "utc": "2005-10-20T08:14:32Z", "ms": 1129796072392.6235 }, "end": { "local": "2005-10-21T15:11:35+07:00", "utc": "2005-10-21T08:11:35Z", "ms": 1129882295078.0486 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-10-20", "window": { "start": { "local": "2005-10-20T20:37:10+07:00", "utc": "2005-10-20T13:37:10Z", "ms": 1129815430457.235 }, "end": { "local": "2005-10-20T20:37:10+07:00", "utc": "2005-10-20T13:37:10Z", "ms": 1129815430457.235 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-10-21", "window": { "start": { "local": "2005-10-21T21:31:18+07:00", "utc": "2005-10-21T14:31:18Z", "ms": 1129905078446.2576 }, "end": { "local": "2005-10-21T21:31:18+07:00", "utc": "2005-10-21T14:31:18Z", "ms": 1129905078446.2576 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:15 on Thu 20 Oct to 15:12 on Fri 21 Oct.", "fact": "2005-10-20T08:14:32Z → 2005-10-21T08:11:35Z" }, { "step": "kaala", "text": "Moonrise is at 20:37 on the 20th and 21:31 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19358 s" }, { "step": "ruling", "text": "Karaka Caturthī, Medan, 2005: Thursday 20 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": "2005-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-20", "confidence": "determinate" } ], "quote": "In Medan, Karaka Caturthī (Karwa Chauth) 2005 falls on Thursday 20 October. Caturthī runs from 15:15 on Thu 20 Oct to 15:12 on Fri 21 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-10-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19358, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-10-20T15:14:32+07:00", "utc": "2005-10-20T08:14:32Z", "ms": 1129796072392.6235 }, "end": { "local": "2005-10-21T15:11:35+07:00", "utc": "2005-10-21T08:11:35Z", "ms": 1129882295078.0486 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-10-20T15:14:32+07:00", "utc": "2005-10-20T08:14:32Z", "ms": 1129796072392.6235 }, "end": { "local": "2005-10-21T15:11:35+07:00", "utc": "2005-10-21T08:11:35Z", "ms": 1129882295078.0486 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-10-20", "window": { "start": { "local": "2005-10-20T20:37:10+07:00", "utc": "2005-10-20T13:37:10Z", "ms": 1129815430457.235 }, "end": { "local": "2005-10-20T20:37:10+07:00", "utc": "2005-10-20T13:37:10Z", "ms": 1129815430457.235 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-10-21", "window": { "start": { "local": "2005-10-21T21:31:18+07:00", "utc": "2005-10-21T14:31:18Z", "ms": 1129905078446.2576 }, "end": { "local": "2005-10-21T21:31:18+07:00", "utc": "2005-10-21T14:31:18Z", "ms": 1129905078446.2576 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:15 on Thu 20 Oct to 15:12 on Fri 21 Oct.", "fact": "2005-10-20T08:14:32Z → 2005-10-21T08:11:35Z" }, { "step": "kaala", "text": "Moonrise is at 20:37 on the 20th and 21:31 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19358 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Thursday 20 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": "2005-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-20", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Thursday 20 October. Caturthī runs from 15:15 on Thu 20 Oct to 15:12 on Fri 21 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12616, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2005-10-24T19:08:46+07:00", "utc": "2005-10-24T12:08:46Z", "ms": 1130155726352.051 }, "end": { "local": "2005-10-25T21:29:16+07:00", "utc": "2005-10-25T14:29:16Z", "ms": 1130250555799.4285 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-10-24T19:08:46+07:00", "utc": "2005-10-24T12:08:46Z", "ms": 1130155726352.051 }, "end": { "local": "2005-10-25T21:29:16+07:00", "utc": "2005-10-25T14:29:16Z", "ms": 1130250555799.4285 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-10-24", "window": { "start": { "local": "2005-10-25T00:10:57+07:00", "utc": "2005-10-24T17:10:57Z", "ms": 1130173857448.3994 }, "end": { "local": "2005-10-25T00:10:57+07:00", "utc": "2005-10-24T17:10:57Z", "ms": 1130173857448.3994 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-10-25", "window": { "start": { "local": "2005-10-26T00:59:32+07:00", "utc": "2005-10-25T17:59:32Z", "ms": 1130263172122.864 }, "end": { "local": "2005-10-26T00:59:32+07:00", "utc": "2005-10-25T17:59:32Z", "ms": 1130263172122.864 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:09 on Mon 24 Oct to 21:29 on Tue 25 Oct.", "fact": "2005-10-24T12:08:46Z → 2005-10-25T14:29:16Z" }, { "step": "kaala", "text": "Moonrise is at 00:11 on the 24th and 01:00 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 24th and is not on the 25th.", "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 12616 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Medan, 2005: Monday 24 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": "2005-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-24", "confidence": "determinate" } ], "quote": "In Medan, Ahoyī Aṣṭamī 2005 falls on Monday 24 October. Aṣṭamī runs from 19:09 on Mon 24 Oct to 21:29 on Tue 25 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-10-28", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5144, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-10-28T02:30:21+07:00", "utc": "2005-10-27T19:30:21Z", "ms": 1130441421481.3489 }, "end": { "local": "2005-10-29T04:43:34+07:00", "utc": "2005-10-28T21:43:34Z", "ms": 1130535814143.3562 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-10-28T02:30:21+07:00", "utc": "2005-10-27T19:30:21Z", "ms": 1130441421481.3489 }, "end": { "local": "2005-10-29T04:43:34+07:00", "utc": "2005-10-28T21:43:34Z", "ms": 1130535814143.3562 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-10-28", "window": { "start": { "local": "2005-10-28T06:09:17+07:00", "utc": "2005-10-27T23:09:17Z", "ms": 1130454557105.4436 }, "end": { "local": "2005-10-28T06:09:17+07:00", "utc": "2005-10-27T23:09:17Z", "ms": 1130454557105.4436 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-10-29", "window": { "start": { "local": "2005-10-29T06:09:18+07:00", "utc": "2005-10-28T23:09:18Z", "ms": 1130540957663.5598 }, "end": { "local": "2005-10-29T06:09:18+07:00", "utc": "2005-10-28T23:09:18Z", "ms": 1130540957663.5598 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:30 on Fri 28 Oct to 04:44 on Sat 29 Oct.", "fact": "2005-10-27T19:30:21Z → 2005-10-28T21:43:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 28th and 06:09 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5144 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Medan, 2005: Friday 28 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": "2005-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-28", "confidence": "determinate" } ], "quote": "In Medan, Ramā Ekādaśī 2005 falls on Friday 28 October. Ekādaśī runs from 02:30 on Fri 28 Oct to 04:44 on Sat 29 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32313, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2005-10-29T04:43:34+07:00", "utc": "2005-10-28T21:43:34Z", "ms": 1130535814143.3562 }, "end": { "local": "2005-10-30T06:30:25+07:00", "utc": "2005-10-29T23:30:25Z", "ms": 1130628625118.6213 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-10-29T04:43:34+07:00", "utc": "2005-10-28T21:43:34Z", "ms": 1130535814143.3562 }, "end": { "local": "2005-10-30T06:30:25+07:00", "utc": "2005-10-29T23:30:25Z", "ms": 1130628625118.6213 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-10-28", "window": { "start": { "local": "2005-10-28T18:08:58+07:00", "utc": "2005-10-28T11:08:58Z", "ms": 1130497738095.2444 }, "end": { "local": "2005-10-28T19:45:01+07:00", "utc": "2005-10-28T12:45:01Z", "ms": 1130503500704.353 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2005-10-29", "window": { "start": { "local": "2005-10-29T18:08:49+07:00", "utc": "2005-10-29T11:08:49Z", "ms": 1130584129003.5103 }, "end": { "local": "2005-10-29T19:44:53+07:00", "utc": "2005-10-29T12:44:53Z", "ms": 1130589892997.0454 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:44 on Sat 29 Oct to 06:30 on Sun 30 Oct.", "fact": "2005-10-28T21:43:34Z → 2005-10-29T23:30:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:45 on the 28th, 18:09–19:45 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 28th and 96 of 96 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32313 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Medan, 2005: Saturday 29 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": "2005-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-29", "confidence": "determinate" } ], "quote": "In Medan, Govatsa Dvādaśī (Vasu Baras) 2005 falls on Saturday 29 October. Dvādaśī runs from 04:44 on Sat 29 Oct to 06:30 on Sun 30 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37460, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-10-30T06:30:25+07:00", "utc": "2005-10-29T23:30:25Z", "ms": 1130628625118.6213 }, "end": { "local": "2005-10-31T07:44:14+07:00", "utc": "2005-10-31T00:44:14Z", "ms": 1130719453592.4797 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-10-30T06:30:25+07:00", "utc": "2005-10-29T23:30:25Z", "ms": 1130628625118.6213 }, "end": { "local": "2005-10-31T07:44:14+07:00", "utc": "2005-10-31T00:44:14Z", "ms": 1130719453592.4797 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-10-30", "window": { "start": { "local": "2005-10-30T18:08:41+07:00", "utc": "2005-10-30T11:08:41Z", "ms": 1130670520741.118 }, "end": { "local": "2005-10-30T19:44:46+07:00", "utc": "2005-10-30T12:44:46Z", "ms": 1130676286107.2732 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2005-10-31", "window": { "start": { "local": "2005-10-31T18:08:33+07:00", "utc": "2005-10-31T11:08:33Z", "ms": 1130756913318.1936 }, "end": { "local": "2005-10-31T19:44:40+07:00", "utc": "2005-10-31T12:44:40Z", "ms": 1130762680044.6353 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:30 on Sun 30 Oct to 07:44 on Mon 31 Oct.", "fact": "2005-10-29T23:30:25Z → 2005-10-31T00:44:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:45 on the 30th, 18:09–19:45 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 96 of 96 minutes on the 30th and 0 of 96 on the 31st.", "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 37460 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Medan, 2005: Sunday 30 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": "2005-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-30", "confidence": "determinate" } ], "quote": "In Medan, Yama Dīpadāna 2005 falls on Sunday 30 October. Trayodaśī runs from 06:30 on Sun 30 Oct to 07:44 on Mon 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/pradosha-vrata?on=2005-10-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37460, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-10-30T06:30:25+07:00", "utc": "2005-10-29T23:30:25Z", "ms": 1130628625118.6213 }, "end": { "local": "2005-10-31T07:44:14+07:00", "utc": "2005-10-31T00:44:14Z", "ms": 1130719453592.4797 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-10-30T06:30:25+07:00", "utc": "2005-10-29T23:30:25Z", "ms": 1130628625118.6213 }, "end": { "local": "2005-10-31T07:44:14+07:00", "utc": "2005-10-31T00:44:14Z", "ms": 1130719453592.4797 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-10-30", "window": { "start": { "local": "2005-10-30T18:08:41+07:00", "utc": "2005-10-30T11:08:41Z", "ms": 1130670520741.118 }, "end": { "local": "2005-10-30T19:44:46+07:00", "utc": "2005-10-30T12:44:46Z", "ms": 1130676286107.2732 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2005-10-31", "window": { "start": { "local": "2005-10-31T18:08:33+07:00", "utc": "2005-10-31T11:08:33Z", "ms": 1130756913318.1936 }, "end": { "local": "2005-10-31T19:44:40+07:00", "utc": "2005-10-31T12:44:40Z", "ms": 1130762680044.6353 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:30 on Sun 30 Oct to 07:44 on Mon 31 Oct.", "fact": "2005-10-29T23:30:25Z → 2005-10-31T00:44:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:45 on the 30th, 18:09–19:45 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 96 of 96 minutes on the 30th and 0 of 96 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 37460 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Sunday 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": "2005-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-30", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Sunday 30 October. Trayodaśī runs from 06:30 on Sun 30 Oct to 07:44 on Mon 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-10-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-10-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25873, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-10-31T07:44:14+07:00", "utc": "2005-10-31T00:44:14Z", "ms": 1130719453592.4797 }, "end": { "local": "2005-11-01T08:22:08+07:00", "utc": "2005-11-01T01:22:08Z", "ms": 1130808128468.4648 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-10-31T07:44:14+07:00", "utc": "2005-10-31T00:44:14Z", "ms": 1130719453592.4797 }, "end": { "local": "2005-11-01T08:22:08+07:00", "utc": "2005-11-01T01:22:08Z", "ms": 1130808128468.4648 } }, "kaala": "nishita", "days": [ { "local_date": "2005-10-30", "window": { "start": { "local": "2005-10-30T23:45:01+07:00", "utc": "2005-10-30T16:45:01Z", "ms": 1130690700864.2004 }, "end": { "local": "2005-10-31T00:33:01+07:00", "utc": "2005-10-30T17:33:01Z", "ms": 1130693580864.2004 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-10-31", "window": { "start": { "local": "2005-10-31T23:44:59+07:00", "utc": "2005-10-31T16:44:59Z", "ms": 1130777098542.3494 }, "end": { "local": "2005-11-01T00:32:59+07:00", "utc": "2005-10-31T17:32:59Z", "ms": 1130779978542.3494 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:44 on Mon 31 Oct to 08:22 on Tue 1 Nov.", "fact": "2005-10-31T00:44:14Z → 2005-11-01T01:22:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 30th, 23:45–00:33 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25873 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Monday 31 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": "2005-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-10-31", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Monday 31 October. Caturdaśī runs from 07:44 on Mon 31 Oct to 08:22 on Tue 1 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5693, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-10-31T07:44:14+07:00", "utc": "2005-10-31T00:44:14Z", "ms": 1130719453592.4797 }, "end": { "local": "2005-11-01T08:22:08+07:00", "utc": "2005-11-01T01:22:08Z", "ms": 1130808128468.4648 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-10-31T07:44:14+07:00", "utc": "2005-10-31T00:44:14Z", "ms": 1130719453592.4797 }, "end": { "local": "2005-11-01T08:22:08+07:00", "utc": "2005-11-01T01:22:08Z", "ms": 1130808128468.4648 } }, "kaala": "arunodaya", "days": [ { "local_date": "2005-10-31", "window": { "start": { "local": "2005-10-31T04:33:16+07:00", "utc": "2005-10-30T21:33:16Z", "ms": 1130707995621.1277 }, "end": { "local": "2005-10-31T06:09:21+07:00", "utc": "2005-10-30T23:09:21Z", "ms": 1130713760987.283 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2005-11-01", "window": { "start": { "local": "2005-11-01T04:33:17+07:00", "utc": "2005-10-31T21:33:17Z", "ms": 1130794397040.0635 }, "end": { "local": "2005-11-01T06:09:24+07:00", "utc": "2005-10-31T23:09:24Z", "ms": 1130800163766.5051 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:44 on Mon 31 Oct to 08:22 on Tue 1 Nov.", "fact": "2005-10-31T00:44:14Z → 2005-11-01T01:22:08Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:33–06:09 on the 31st, 04:33–06:09 on the 1st.", "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 96 minutes on the 31st and 96 of 96 on the 1st.", "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 5693 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Medan, 2005: Tuesday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-01", "confidence": "determinate" } ], "quote": "In Medan, Naraka Caturdaśī (Choti Diwali) 2005 falls on Tuesday 1 November. Caturdaśī runs from 07:44 on Mon 31 Oct to 08:22 on Tue 1 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35025, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2005-11-01T08:22:08+07:00", "utc": "2005-11-01T01:22:08Z", "ms": 1130808128468.4648 }, "end": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-01T08:22:08+07:00", "utc": "2005-11-01T01:22:08Z", "ms": 1130808128468.4648 }, "end": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-11-01", "window": { "start": { "local": "2005-11-01T18:08:27+07:00", "utc": "2005-11-01T11:08:27Z", "ms": 1130843306743.694 }, "end": { "local": "2005-11-01T19:44:35+07:00", "utc": "2005-11-01T12:44:35Z", "ms": 1130849074817.5588 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2005-11-02", "window": { "start": { "local": "2005-11-02T18:08:21+07:00", "utc": "2005-11-02T11:08:21Z", "ms": 1130929701025.2595 }, "end": { "local": "2005-11-02T19:44:30+07:00", "utc": "2005-11-02T12:44:30Z", "ms": 1130935470433.1184 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 08:22 on Tue 1 Nov to 08:25 on Wed 2 Nov.", "fact": "2005-11-01T01:22:08Z → 2005-11-02T01:24:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:45 on the 1st, 18:08–19:45 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 96 of 96 minutes on the 1st and 0 of 96 on the 2nd.", "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 35025 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Medan, 2005: Tuesday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-01", "confidence": "determinate" } ], "quote": "In Medan, Lakṣmī Pūjā (Diwali) 2005 falls on Tuesday 1 November. Amāvasyā runs from 08:22 on Tue 1 Nov to 08:25 on Wed 2 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28150, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2005-11-01T08:22:08+07:00", "utc": "2005-11-01T01:22:08Z", "ms": 1130808128468.4648 }, "end": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-01T08:22:08+07:00", "utc": "2005-11-01T01:22:08Z", "ms": 1130808128468.4648 }, "end": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 } }, "kaala": "nishita", "days": [ { "local_date": "2005-10-31", "window": { "start": { "local": "2005-10-31T23:44:59+07:00", "utc": "2005-10-31T16:44:59Z", "ms": 1130777098542.3494 }, "end": { "local": "2005-11-01T00:32:59+07:00", "utc": "2005-10-31T17:32:59Z", "ms": 1130779978542.3494 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-11-01", "window": { "start": { "local": "2005-11-01T23:44:57+07:00", "utc": "2005-11-01T16:44:57Z", "ms": 1130863497020.6873 }, "end": { "local": "2005-11-02T00:32:57+07:00", "utc": "2005-11-01T17:32:57Z", "ms": 1130866377020.6873 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 08:22 on Tue 1 Nov to 08:25 on Wed 2 Nov.", "fact": "2005-11-01T01:22:08Z → 2005-11-02T01:24:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 31st, 23:45–00:33 on the 1st.", "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 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: unstated → only-day · margin 28150 s" }, { "step": "ruling", "text": "Kālī Pūjā, Medan, 2005: Tuesday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-01", "confidence": "determinate" } ], "quote": "In Medan, Kālī Pūjā 2005 falls on Tuesday 1 November. Amāvasyā runs from 08:22 on Tue 1 Nov to 08:25 on Wed 2 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12018, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 }, "end": { "local": "2005-11-03T07:54:31+07:00", "utc": "2005-11-03T00:54:31Z", "ms": 1130979271051.0103 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 }, "end": { "local": "2005-11-03T07:54:31+07:00", "utc": "2005-11-03T00:54:31Z", "ms": 1130979271051.0103 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-11-02", "window": { "start": { "local": "2005-11-02T11:44:54+07:00", "utc": "2005-11-02T04:44:54Z", "ms": 1130906694161.47 }, "end": { "local": "2005-11-02T12:32:54+07:00", "utc": "2005-11-02T05:32:54Z", "ms": 1130909574161.47 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-11-03", "window": { "start": { "local": "2005-11-03T11:44:54+07:00", "utc": "2005-11-03T04:44:54Z", "ms": 1130993093876.7178 }, "end": { "local": "2005-11-03T12:32:54+07:00", "utc": "2005-11-03T05:32:54Z", "ms": 1130995973876.7178 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:25 on Wed 2 Nov to 07:55 on Thu 3 Nov.", "fact": "2005-11-02T01:24:36Z → 2005-11-03T00:54:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 2nd, 11:45–12:33 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12018 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Medan, 2005: Wednesday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-02", "confidence": "determinate" } ], "quote": "In Medan, Govardhana Pūjā 2005 falls on Wednesday 2 November. Pratipadā runs from 08:25 on Wed 2 Nov to 07:55 on Thu 3 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35025, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 }, "end": { "local": "2005-11-03T07:54:31+07:00", "utc": "2005-11-03T00:54:31Z", "ms": 1130979271051.0103 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 }, "end": { "local": "2005-11-03T07:54:31+07:00", "utc": "2005-11-03T00:54:31Z", "ms": 1130979271051.0103 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-11-02", "window": { "start": { "local": "2005-11-02T18:08:21+07:00", "utc": "2005-11-02T11:08:21Z", "ms": 1130929701025.2595 }, "end": { "local": "2005-11-02T19:44:30+07:00", "utc": "2005-11-02T12:44:30Z", "ms": 1130935470433.1184 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2005-11-03", "window": { "start": { "local": "2005-11-03T18:08:16+07:00", "utc": "2005-11-03T11:08:16Z", "ms": 1131016096169.2349 }, "end": { "local": "2005-11-03T19:44:27+07:00", "utc": "2005-11-03T12:44:27Z", "ms": 1131021866897.1208 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:25 on Wed 2 Nov to 07:55 on Thu 3 Nov.", "fact": "2005-11-02T01:24:36Z → 2005-11-03T00:54:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:45 on the 2nd, 18:08–19:44 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 96 of 96 minutes on the 2nd and 0 of 96 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35025 s" }, { "step": "ruling", "text": "Bali Pūjā, Medan, 2005: Wednesday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-02", "confidence": "determinate" } ], "quote": "In Medan, Bali Pūjā 2005 falls on Wednesday 2 November. Pratipadā runs from 08:25 on Wed 2 Nov to 07:55 on Thu 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13823, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2005-11-03T07:54:31+07:00", "utc": "2005-11-03T00:54:31Z", "ms": 1130979271051.0103 }, "end": { "local": "2005-11-04T06:56:19+07:00", "utc": "2005-11-03T23:56:19Z", "ms": 1131062178840.52 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-03T07:54:31+07:00", "utc": "2005-11-03T00:54:31Z", "ms": 1130979271051.0103 }, "end": { "local": "2005-11-04T06:56:19+07:00", "utc": "2005-11-03T23:56:19Z", "ms": 1131062178840.52 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-11-03", "window": { "start": { "local": "2005-11-03T11:44:54+07:00", "utc": "2005-11-03T04:44:54Z", "ms": 1130993093876.7178 }, "end": { "local": "2005-11-03T12:32:54+07:00", "utc": "2005-11-03T05:32:54Z", "ms": 1130995973876.7178 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-11-04", "window": { "start": { "local": "2005-11-04T11:44:54+07:00", "utc": "2005-11-04T04:44:54Z", "ms": 1131079494404.686 }, "end": { "local": "2005-11-04T12:32:54+07:00", "utc": "2005-11-04T05:32:54Z", "ms": 1131082374404.686 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 07:55 on Thu 3 Nov to 06:56 on Fri 4 Nov.", "fact": "2005-11-03T00:54:31Z → 2005-11-03T23:56:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 3rd, 11:45–12:33 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13823 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Medan, 2005: Thursday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-03", "confidence": "determinate" } ], "quote": "In Medan, Yama Dvitīyā (Bhai Dooj) 2005 falls on Thursday 3 November. Dvitīyā runs from 07:55 on Thu 3 Nov to 06:56 on Fri 4 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 6269, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 }, "end": { "local": "2005-11-03T07:54:31+07:00", "utc": "2005-11-03T00:54:31Z", "ms": 1130979271051.0103 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-02T08:24:36+07:00", "utc": "2005-11-02T01:24:36Z", "ms": 1130894676416.345 }, "end": { "local": "2005-11-03T07:54:31+07:00", "utc": "2005-11-03T00:54:31Z", "ms": 1130979271051.0103 } }, "kaala": "purvahna", "days": [ { "local_date": "2005-11-02", "window": { "start": { "local": "2005-11-02T06:09:27+07:00", "utc": "2005-11-01T23:09:27Z", "ms": 1130886567297.6804 }, "end": { "local": "2005-11-02T10:09:05+07:00", "utc": "2005-11-02T03:09:05Z", "ms": 1130900945206.8735 } }, "covered_min": 104, "window_min": 240, "qualifies": true }, { "local_date": "2005-11-03", "window": { "start": { "local": "2005-11-03T06:09:32+07:00", "utc": "2005-11-02T23:09:32Z", "ms": 1130972971584.201 }, "end": { "local": "2005-11-03T10:09:06+07:00", "utc": "2005-11-03T03:09:06Z", "ms": 1130987346445.879 } }, "covered_min": 105, "window_min": 240, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:25 on Wed 2 Nov to 07:55 on Thu 3 Nov.", "fact": "2005-11-02T01:24:36Z → 2005-11-03T00:54:31Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:09–10:09 on the 2nd, 06:10–10:09 on the 3rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 104 of 240 minutes on the 2nd and 105 of 240 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 6269 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Medan, 2005: Thursday 3 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2005-11-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-03", "confidence": "boundary" } ], "quote": "In Medan, Dyūta Pratipad 2005 falls on Thursday 3 November. Pratipadā runs from 08:25 on Wed 2 Nov to 07:55 on Thu 3 Nov and covers 105 of 240 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 104 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/medan/festivals/2005/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": "/medan/festivals/2005/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22185, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-11-05T05:35:11+07:00", "utc": "2005-11-04T22:35:11Z", "ms": 1131143710909.5305 }, "end": { "local": "2005-11-06T03:56:25+07:00", "utc": "2005-11-05T20:56:25Z", "ms": 1131224184636.0374 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-05T05:35:11+07:00", "utc": "2005-11-04T22:35:11Z", "ms": 1131143710909.5305 }, "end": { "local": "2005-11-06T03:56:25+07:00", "utc": "2005-11-05T20:56:25Z", "ms": 1131224184636.0374 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-11-05", "window": { "start": { "local": "2005-11-05T11:44:56+07:00", "utc": "2005-11-05T04:44:56Z", "ms": 1131165895748.2927 }, "end": { "local": "2005-11-05T12:32:56+07:00", "utc": "2005-11-05T05:32:56Z", "ms": 1131168775748.2927 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-11-06", "window": { "start": { "local": "2005-11-06T11:44:58+07:00", "utc": "2005-11-06T04:44:58Z", "ms": 1131252297909.8083 }, "end": { "local": "2005-11-06T12:32:58+07:00", "utc": "2005-11-06T05:32:58Z", "ms": 1131255177909.8083 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:35 on Sat 5 Nov to 03:56 on Sun 6 Nov.", "fact": "2005-11-04T22:35:11Z → 2005-11-05T20:56:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 5th, 11:45–12:33 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22185 s" }, { "step": "ruling", "text": "Nāga Caturthī, Medan, 2005: Saturday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-05", "confidence": "determinate" } ], "quote": "In Medan, Nāga Caturthī 2005 falls on Saturday 5 November. Caturthī runs from 05:35 on Sat 5 Nov to 03:56 on Sun 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-11-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22185, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-11-05T05:35:11+07:00", "utc": "2005-11-04T22:35:11Z", "ms": 1131143710909.5305 }, "end": { "local": "2005-11-06T03:56:25+07:00", "utc": "2005-11-05T20:56:25Z", "ms": 1131224184636.0374 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-05T05:35:11+07:00", "utc": "2005-11-04T22:35:11Z", "ms": 1131143710909.5305 }, "end": { "local": "2005-11-06T03:56:25+07:00", "utc": "2005-11-05T20:56:25Z", "ms": 1131224184636.0374 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-11-05", "window": { "start": { "local": "2005-11-05T11:44:56+07:00", "utc": "2005-11-05T04:44:56Z", "ms": 1131165895748.2927 }, "end": { "local": "2005-11-05T12:32:56+07:00", "utc": "2005-11-05T05:32:56Z", "ms": 1131168775748.2927 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-11-06", "window": { "start": { "local": "2005-11-06T11:44:58+07:00", "utc": "2005-11-06T04:44:58Z", "ms": 1131252297909.8083 }, "end": { "local": "2005-11-06T12:32:58+07:00", "utc": "2005-11-06T05:32:58Z", "ms": 1131255177909.8083 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:35 on Sat 5 Nov to 03:56 on Sun 6 Nov.", "fact": "2005-11-04T22:35:11Z → 2005-11-05T20:56:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 5th, 11:45–12:33 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22185 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Saturday 5 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": "2005-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-05", "confidence": "determinate" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Saturday 5 November. Caturthī runs from 05:35 on Sat 5 Nov to 03:56 on Sun 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/vinayaka-chaturthi?on=2005-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34805, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2005-11-07T02:04:56+07:00", "utc": "2005-11-06T19:04:56Z", "ms": 1131303896058.5806 }, "end": { "local": "2005-11-08T00:05:03+07:00", "utc": "2005-11-07T17:05:03Z", "ms": 1131383103094.5208 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-07T02:04:56+07:00", "utc": "2005-11-06T19:04:56Z", "ms": 1131303896058.5806 }, "end": { "local": "2005-11-08T00:05:03+07:00", "utc": "2005-11-07T17:05:03Z", "ms": 1131383103094.5208 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-11-07", "window": { "start": { "local": "2005-11-07T11:45:01+07:00", "utc": "2005-11-07T04:45:01Z", "ms": 1131338700891.1538 }, "end": { "local": "2005-11-07T12:33:01+07:00", "utc": "2005-11-07T05:33:01Z", "ms": 1131341580891.1538 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-11-08", "window": { "start": { "local": "2005-11-08T11:45:05+07:00", "utc": "2005-11-08T04:45:05Z", "ms": 1131425104694.1797 }, "end": { "local": "2005-11-08T12:33:05+07:00", "utc": "2005-11-08T05:33:05Z", "ms": 1131427984694.1797 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:05 on Mon 7 Nov to 00:05 on Tue 8 Nov.", "fact": "2005-11-06T19:04:56Z → 2005-11-07T17:05:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 7th, 11:45–12:33 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34805 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Medan, 2005: Monday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-07", "confidence": "determinate" } ], "quote": "In Medan, Sūrya Ṣaṣṭhī (Chhath) 2005 falls on Monday 7 November. Ṣaṣṭhī runs from 02:05 on Mon 7 Nov to 00:05 on Tue 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26429, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2005-11-08T22:00:19+07:00", "utc": "2005-11-08T15:00:19Z", "ms": 1131462019372.5122 }, "end": { "local": "2005-11-09T19:53:38+07:00", "utc": "2005-11-09T12:53:38Z", "ms": 1131540818202.0674 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-08T22:00:19+07:00", "utc": "2005-11-08T15:00:19Z", "ms": 1131462019372.5122 }, "end": { "local": "2005-11-09T19:53:38+07:00", "utc": "2005-11-09T12:53:38Z", "ms": 1131540818202.0674 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-11-08", "window": { "start": { "local": "2005-11-08T11:45:05+07:00", "utc": "2005-11-08T04:45:05Z", "ms": 1131425104694.1797 }, "end": { "local": "2005-11-08T12:33:05+07:00", "utc": "2005-11-08T05:33:05Z", "ms": 1131427984694.1797 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-11-09", "window": { "start": { "local": "2005-11-09T11:45:09+07:00", "utc": "2005-11-09T04:45:09Z", "ms": 1131511509320.8826 }, "end": { "local": "2005-11-09T12:33:09+07:00", "utc": "2005-11-09T05:33:09Z", "ms": 1131514389320.8826 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:00 on Tue 8 Nov to 19:54 on Wed 9 Nov.", "fact": "2005-11-08T15:00:19Z → 2005-11-09T12:53:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 8th, 11:45–12:33 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26429 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Medan, 2005: Wednesday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-09", "confidence": "determinate" } ], "quote": "In Medan, Gopāṣṭamī 2005 falls on Wednesday 9 November. Aṣṭamī runs from 22:00 on Tue 8 Nov to 19:54 on Wed 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27468, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2005-11-09T19:53:38+07:00", "utc": "2005-11-09T12:53:38Z", "ms": 1131540818202.0674 }, "end": { "local": "2005-11-10T17:47:25+07:00", "utc": "2005-11-10T10:47:25Z", "ms": 1131619645373.2773 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-09T19:53:38+07:00", "utc": "2005-11-09T12:53:38Z", "ms": 1131540818202.0674 }, "end": { "local": "2005-11-10T17:47:25+07:00", "utc": "2005-11-10T10:47:25Z", "ms": 1131619645373.2773 } }, "kaala": "purvahna", "days": [ { "local_date": "2005-11-09", "window": { "start": { "local": "2005-11-09T06:10:13+07:00", "utc": "2005-11-08T23:10:13Z", "ms": 1131491413239.154 }, "end": { "local": "2005-11-09T10:09:31+07:00", "utc": "2005-11-09T03:09:31Z", "ms": 1131505770626.9731 } }, "covered_min": 0, "window_min": 239, "qualifies": false }, { "local_date": "2005-11-10", "window": { "start": { "local": "2005-11-10T06:10:23+07:00", "utc": "2005-11-09T23:10:23Z", "ms": 1131577822840.1562 }, "end": { "local": "2005-11-10T10:09:37+07:00", "utc": "2005-11-10T03:09:37Z", "ms": 1131592177462.405 } }, "covered_min": 239, "window_min": 239, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:54 on Wed 9 Nov to 17:47 on Thu 10 Nov.", "fact": "2005-11-09T12:53:38Z → 2005-11-10T10:47:25Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:10–10:10 on the 9th, 06:10–10:10 on the 10th.", "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 239 minutes on the 9th and 239 of 239 on the 10th.", "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 27468 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Medan, 2005: Thursday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-10", "confidence": "determinate" } ], "quote": "In Medan, Akṣaya Navamī (Amla Navami) 2005 falls on Thursday 10 November. Navamī runs from 19:54 on Wed 9 Nov to 17:47 on Thu 10 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18851, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2005-11-09T19:53:38+07:00", "utc": "2005-11-09T12:53:38Z", "ms": 1131540818202.0674 }, "end": { "local": "2005-11-10T17:47:25+07:00", "utc": "2005-11-10T10:47:25Z", "ms": 1131619645373.2773 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-09T19:53:38+07:00", "utc": "2005-11-09T12:53:38Z", "ms": 1131540818202.0674 }, "end": { "local": "2005-11-10T17:47:25+07:00", "utc": "2005-11-10T10:47:25Z", "ms": 1131619645373.2773 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-11-09", "window": { "start": { "local": "2005-11-09T11:45:09+07:00", "utc": "2005-11-09T04:45:09Z", "ms": 1131511509320.8826 }, "end": { "local": "2005-11-09T12:33:09+07:00", "utc": "2005-11-09T05:33:09Z", "ms": 1131514389320.8826 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-11-10", "window": { "start": { "local": "2005-11-10T11:45:15+07:00", "utc": "2005-11-10T04:45:15Z", "ms": 1131597914773.5295 }, "end": { "local": "2005-11-10T12:33:15+07:00", "utc": "2005-11-10T05:33:15Z", "ms": 1131600794773.5295 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:54 on Wed 9 Nov to 17:47 on Thu 10 Nov.", "fact": "2005-11-09T12:53:38Z → 2005-11-10T10:47:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 9th, 11:45–12:33 on the 10th.", "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 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18851 s" }, { "step": "ruling", "text": "Durgā Navamī, Medan, 2005: Thursday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-10", "confidence": "determinate" } ], "quote": "In Medan, Durgā Navamī 2005 falls on Thursday 10 November. Navamī runs from 19:54 on Wed 9 Nov to 17:47 on Thu 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-11-12", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27302, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-11-11T15:43:58+07:00", "utc": "2005-11-11T08:43:58Z", "ms": 1131698638172.8982 }, "end": { "local": "2005-11-12T13:45:47+07:00", "utc": "2005-11-12T06:45:47Z", "ms": 1131777946726.859 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-11T15:43:58+07:00", "utc": "2005-11-11T08:43:58Z", "ms": 1131698638172.8982 }, "end": { "local": "2005-11-12T13:45:47+07:00", "utc": "2005-11-12T06:45:47Z", "ms": 1131777946726.859 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-11-11", "window": { "start": { "local": "2005-11-11T06:10:33+07:00", "utc": "2005-11-10T23:10:33Z", "ms": 1131664233201.5962 }, "end": { "local": "2005-11-11T06:10:33+07:00", "utc": "2005-11-10T23:10:33Z", "ms": 1131664233201.5962 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-11-12", "window": { "start": { "local": "2005-11-12T06:10:44+07:00", "utc": "2005-11-11T23:10:44Z", "ms": 1131750644324.382 }, "end": { "local": "2005-11-12T06:10:44+07:00", "utc": "2005-11-11T23:10:44Z", "ms": 1131750644324.382 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:44 on Fri 11 Nov to 13:46 on Sat 12 Nov.", "fact": "2005-11-11T08:43:58Z → 2005-11-12T06:45:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 11th and 06:11 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27302 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Medan, 2005: Saturday 12 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": "2005-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-12", "confidence": "determinate" } ], "quote": "In Medan, Prabodhinī Ekādaśī 2005 falls on Saturday 12 November. Ekādaśī runs from 15:44 on Fri 11 Nov to 13:46 on Sat 12 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-11-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22343, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-11-13T11:55:53+07:00", "utc": "2005-11-13T04:55:53Z", "ms": 1131857753130.2488 }, "end": { "local": "2005-11-14T10:18:04+07:00", "utc": "2005-11-14T03:18:04Z", "ms": 1131938284067.5159 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-13T11:55:53+07:00", "utc": "2005-11-13T04:55:53Z", "ms": 1131857753130.2488 }, "end": { "local": "2005-11-14T10:18:04+07:00", "utc": "2005-11-14T03:18:04Z", "ms": 1131938284067.5159 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-11-13", "window": { "start": { "local": "2005-11-13T18:08:16+07:00", "utc": "2005-11-13T11:08:16Z", "ms": 1131880096017.8638 }, "end": { "local": "2005-11-13T19:44:39+07:00", "utc": "2005-11-13T12:44:39Z", "ms": 1131885879063.2183 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2005-11-14", "window": { "start": { "local": "2005-11-14T18:08:21+07:00", "utc": "2005-11-14T11:08:21Z", "ms": 1131966500936.1064 }, "end": { "local": "2005-11-14T19:44:45+07:00", "utc": "2005-11-14T12:44:45Z", "ms": 1131972285113.9956 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:56 on Sun 13 Nov to 10:18 on Mon 14 Nov.", "fact": "2005-11-13T04:55:53Z → 2005-11-14T03:18:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:45 on the 13th, 18:08–19:45 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 13th and 0 of 96 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22343 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Sunday 13 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": "2005-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-13", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Sunday 13 November. Trayodaśī runs from 11:56 on Sun 13 Nov to 10:18 on Mon 14 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10141, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-11-15T08:56:54+07:00", "utc": "2005-11-15T01:56:54Z", "ms": 1132019813505.4604 }, "end": { "local": "2005-11-16T07:57:33+07:00", "utc": "2005-11-16T00:57:33Z", "ms": 1132102653008.9058 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-15T08:56:54+07:00", "utc": "2005-11-15T01:56:54Z", "ms": 1132019813505.4604 }, "end": { "local": "2005-11-16T07:57:33+07:00", "utc": "2005-11-16T00:57:33Z", "ms": 1132102653008.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-11-15", "window": { "start": { "local": "2005-11-15T11:45:55+07:00", "utc": "2005-11-15T04:45:55Z", "ms": 1132029954519.3044 }, "end": { "local": "2005-11-15T12:33:55+07:00", "utc": "2005-11-15T05:33:55Z", "ms": 1132032834519.3044 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-11-16", "window": { "start": { "local": "2005-11-16T11:46:05+07:00", "utc": "2005-11-16T04:46:05Z", "ms": 1132116364981.712 }, "end": { "local": "2005-11-16T12:34:05+07:00", "utc": "2005-11-16T05:34:05Z", "ms": 1132119244981.712 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:57 on Tue 15 Nov to 07:58 on Wed 16 Nov.", "fact": "2005-11-15T01:56:54Z → 2005-11-16T00:57:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 15th, 11:46–12:34 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10141 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Medan, 2005: Tuesday 15 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": "2005-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-15", "confidence": "determinate" } ], "quote": "In Medan, Kārtikī Pūrṇimā 2005 falls on Tuesday 15 November. Pūrṇimā runs from 08:57 on Tue 15 Nov to 07:58 on Wed 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26611, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-11-15T08:56:54+07:00", "utc": "2005-11-15T01:56:54Z", "ms": 1132019813505.4604 }, "end": { "local": "2005-11-16T07:57:33+07:00", "utc": "2005-11-16T00:57:33Z", "ms": 1132102653008.9058 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2005-11-15T08:56:54+07:00", "utc": "2005-11-15T01:56:54Z", "ms": 1132019813505.4604 }, "end": { "local": "2005-11-16T07:57:33+07:00", "utc": "2005-11-16T00:57:33Z", "ms": 1132102653008.9058 } }, "kaala": "nishita", "days": [ { "local_date": "2005-11-14", "window": { "start": { "local": "2005-11-14T23:45:52+07:00", "utc": "2005-11-14T16:45:52Z", "ms": 1131986751603.191 }, "end": { "local": "2005-11-15T00:33:52+07:00", "utc": "2005-11-14T17:33:52Z", "ms": 1131989631603.191 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-11-15", "window": { "start": { "local": "2005-11-15T23:46:02+07:00", "utc": "2005-11-15T16:46:02Z", "ms": 1132073161607.1733 }, "end": { "local": "2005-11-16T00:34:02+07:00", "utc": "2005-11-15T17:34:02Z", "ms": 1132076041607.1733 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:57 on Tue 15 Nov to 07:58 on Wed 16 Nov.", "fact": "2005-11-15T01:56:54Z → 2005-11-16T00:57:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 14th, 23:46–00:34 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26611 s" }, { "step": "ruling", "text": "Rāsayātrā, Medan, 2005: Tuesday 15 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": "2005-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-15", "confidence": "determinate" } ], "quote": "In Medan, Rāsayātrā 2005 falls on Tuesday 15 November. Pūrṇimā runs from 08:57 on Tue 15 Nov to 07:58 on Wed 16 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-11-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42507, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-11-19T08:01:43+07:00", "utc": "2005-11-19T01:01:43Z", "ms": 1132362103163.4546 }, "end": { "local": "2005-11-20T09:14:57+07:00", "utc": "2005-11-20T02:14:57Z", "ms": 1132452897184.7683 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-11-19T08:01:43+07:00", "utc": "2005-11-19T01:01:43Z", "ms": 1132362103163.4546 }, "end": { "local": "2005-11-20T09:14:57+07:00", "utc": "2005-11-20T02:14:57Z", "ms": 1132452897184.7683 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-11-18", "window": { "start": { "local": "2005-11-18T20:13:16+07:00", "utc": "2005-11-18T13:13:16Z", "ms": 1132319596228.1194 }, "end": { "local": "2005-11-18T20:13:16+07:00", "utc": "2005-11-18T13:13:16Z", "ms": 1132319596228.1194 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-11-19", "window": { "start": { "local": "2005-11-19T21:08:13+07:00", "utc": "2005-11-19T14:08:13Z", "ms": 1132409292851.474 }, "end": { "local": "2005-11-19T21:08:13+07:00", "utc": "2005-11-19T14:08:13Z", "ms": 1132409292851.474 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:02 on Sat 19 Nov to 09:15 on Sun 20 Nov.", "fact": "2005-11-19T01:01:43Z → 2005-11-20T02:14:57Z" }, { "step": "kaala", "text": "Moonrise is at 20:13 on the 18th and 21:08 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 42507 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Saturday 19 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": "2005-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-19", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Saturday 19 November. Caturthī runs from 08:02 on Sat 19 Nov to 09:15 on Sun 20 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ekadashi?on=2005-11-27", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22197, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-11-26T22:47:42+07:00", "utc": "2005-11-26T15:47:42Z", "ms": 1133020062210.7742 }, "end": { "local": "2005-11-28T00:05:27+07:00", "utc": "2005-11-27T17:05:27Z", "ms": 1133111126740.062 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-11-26T22:47:42+07:00", "utc": "2005-11-26T15:47:42Z", "ms": 1133020062210.7742 }, "end": { "local": "2005-11-28T00:05:27+07:00", "utc": "2005-11-27T17:05:27Z", "ms": 1133111126740.062 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-11-27", "window": { "start": { "local": "2005-11-27T06:15:01+07:00", "utc": "2005-11-26T23:15:01Z", "ms": 1133046901285.658 }, "end": { "local": "2005-11-27T06:15:01+07:00", "utc": "2005-11-26T23:15:01Z", "ms": 1133046901285.658 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-11-28", "window": { "start": { "local": "2005-11-28T06:15:24+07:00", "utc": "2005-11-27T23:15:24Z", "ms": 1133133324072.5361 }, "end": { "local": "2005-11-28T06:15:24+07:00", "utc": "2005-11-27T23:15:24Z", "ms": 1133133324072.5361 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:48 on Sat 26 Nov to 00:05 on Mon 28 Nov.", "fact": "2005-11-26T15:47:42Z → 2005-11-27T17:05:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 27th and 06:15 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 22197 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Medan, 2005: Sunday 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": "2005-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-27", "confidence": "determinate" } ], "quote": "In Medan, Utpannā Ekādaśī 2005 falls on Sunday 27 November. Ekādaśī runs from 22:48 on Sat 26 Nov to 00:05 on Mon 28 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-11-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16733, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-11-29T00:38:56+07:00", "utc": "2005-11-28T17:38:56Z", "ms": 1133199536308.2656 }, "end": { "local": "2005-11-30T00:26:55+07:00", "utc": "2005-11-29T17:26:55Z", "ms": 1133285215278.7256 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-11-29T00:38:56+07:00", "utc": "2005-11-28T17:38:56Z", "ms": 1133199536308.2656 }, "end": { "local": "2005-11-30T00:26:55+07:00", "utc": "2005-11-29T17:26:55Z", "ms": 1133285215278.7256 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-11-28", "window": { "start": { "local": "2005-11-28T18:11:05+07:00", "utc": "2005-11-28T11:11:05Z", "ms": 1133176265137.7197 }, "end": { "local": "2005-11-28T19:47:43+07:00", "utc": "2005-11-28T12:47:43Z", "ms": 1133182062783.5618 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2005-11-29", "window": { "start": { "local": "2005-11-29T18:11:23+07:00", "utc": "2005-11-29T11:11:23Z", "ms": 1133262683402.273 }, "end": { "local": "2005-11-29T19:48:02+07:00", "utc": "2005-11-29T12:48:02Z", "ms": 1133268481813.933 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:39 on Tue 29 Nov to 00:27 on Wed 30 Nov.", "fact": "2005-11-28T17:38:56Z → 2005-11-29T17:26:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:48 on the 28th, 18:11–19:48 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 97 minutes on the 28th and 97 of 97 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16733 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Tuesday 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": "2005-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-29", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Tuesday 29 November. Trayodaśī runs from 00:39 on Tue 29 Nov to 00:27 on Wed 30 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-11-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-11-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 652, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-11-30T00:26:55+07:00", "utc": "2005-11-29T17:26:55Z", "ms": 1133285215278.7256 }, "end": { "local": "2005-11-30T23:32:17+07:00", "utc": "2005-11-30T16:32:17Z", "ms": 1133368336759.5269 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-11-30T00:26:55+07:00", "utc": "2005-11-29T17:26:55Z", "ms": 1133285215278.7256 }, "end": { "local": "2005-11-30T23:32:17+07:00", "utc": "2005-11-30T16:32:17Z", "ms": 1133368336759.5269 } }, "kaala": "nishita", "days": [ { "local_date": "2005-11-29", "window": { "start": { "local": "2005-11-29T23:49:47+07:00", "utc": "2005-11-29T16:49:47Z", "ms": 1133282987445.9983 }, "end": { "local": "2005-11-30T00:37:47+07:00", "utc": "2005-11-29T17:37:47Z", "ms": 1133285867445.9983 } }, "covered_min": 11, "window_min": 48, "qualifies": true }, { "local_date": "2005-11-30", "window": { "start": { "local": "2005-11-30T23:50:09+07:00", "utc": "2005-11-30T16:50:09Z", "ms": 1133369409267.5947 }, "end": { "local": "2005-12-01T00:38:09+07:00", "utc": "2005-11-30T17:38:09Z", "ms": 1133372289267.5947 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:27 on Wed 30 Nov to 23:32 on Wed 30 Nov.", "fact": "2005-11-29T17:26:55Z → 2005-11-30T16:32:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 29th, 23:50–00:38 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 11 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 652 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Tuesday 29 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": "2005-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-11-29", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Tuesday 29 November. Caturdaśī runs from 00:27 on Wed 30 Nov to 23:32 on Wed 30 Nov and covers 11 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-11-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 371, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2005-12-05T12:33:43+07:00", "utc": "2005-12-05T05:33:43Z", "ms": 1133760823446.0469 }, "end": { "local": "2005-12-06T10:02:48+07:00", "utc": "2005-12-06T03:02:48Z", "ms": 1133838167856.9863 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-05T12:33:43+07:00", "utc": "2005-12-05T05:33:43Z", "ms": 1133760823446.0469 }, "end": { "local": "2005-12-06T10:02:48+07:00", "utc": "2005-12-06T03:02:48Z", "ms": 1133838167856.9863 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-12-05", "window": { "start": { "local": "2005-12-05T11:51:54+07:00", "utc": "2005-12-05T04:51:54Z", "ms": 1133758314223.998 }, "end": { "local": "2005-12-05T12:39:54+07:00", "utc": "2005-12-05T05:39:54Z", "ms": 1133761194223.998 } }, "covered_min": 6, "window_min": 48, "qualifies": true }, { "local_date": "2005-12-06", "window": { "start": { "local": "2005-12-06T11:52:19+07:00", "utc": "2005-12-06T04:52:19Z", "ms": 1133844739391.5994 }, "end": { "local": "2005-12-06T12:40:19+07:00", "utc": "2005-12-06T05:40:19Z", "ms": 1133847619391.5994 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:34 on Mon 5 Dec to 10:03 on Tue 6 Dec.", "fact": "2005-12-05T05:33:43Z → 2005-12-06T03:02:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 5th, 11:52–12:40 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 6 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 371 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Medan, 2005: Monday 5 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-05", "confidence": "determinate" } ], "quote": "In Medan, Nāga Pañcamī (Mārgaśīrṣa) 2005 falls on Monday 5 December. Pañcamī runs from 12:34 on Mon 5 Dec to 10:03 on Tue 6 Dec and covers 6 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/vinayaka-chaturthi?on=2005-12-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 371, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-12-04T15:08:37+07:00", "utc": "2005-12-04T08:08:37Z", "ms": 1133683717497.777 }, "end": { "local": "2005-12-05T12:33:43+07:00", "utc": "2005-12-05T05:33:43Z", "ms": 1133760823446.0469 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-04T15:08:37+07:00", "utc": "2005-12-04T08:08:37Z", "ms": 1133683717497.777 }, "end": { "local": "2005-12-05T12:33:43+07:00", "utc": "2005-12-05T05:33:43Z", "ms": 1133760823446.0469 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-12-04", "window": { "start": { "local": "2005-12-04T11:51:30+07:00", "utc": "2005-12-04T04:51:30Z", "ms": 1133671889590.1716 }, "end": { "local": "2005-12-04T12:39:30+07:00", "utc": "2005-12-04T05:39:30Z", "ms": 1133674769590.1716 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-12-05", "window": { "start": { "local": "2005-12-05T11:51:54+07:00", "utc": "2005-12-05T04:51:54Z", "ms": 1133758314223.998 }, "end": { "local": "2005-12-05T12:39:54+07:00", "utc": "2005-12-05T05:39:54Z", "ms": 1133761194223.998 } }, "covered_min": 42, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:09 on Sun 4 Dec to 12:34 on Mon 5 Dec.", "fact": "2005-12-04T08:08:37Z → 2005-12-05T05:33:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 4th, 11:52–12:40 on the 5th.", "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 4th and 42 of 48 on the 5th.", "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 371 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Medan, 2005: Monday 5 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": "2005-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-05", "confidence": "determinate" } ], "quote": "In Medan, Vināyaka Caturthī 2005 falls on Monday 5 December. Caturthī runs from 15:09 on Sun 4 Dec to 12:34 on Mon 5 Dec and covers 42 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/vinayaka-chaturthi?on=2005-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6572, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2005-12-06T10:02:48+07:00", "utc": "2005-12-06T03:02:48Z", "ms": 1133838167856.9863 }, "end": { "local": "2005-12-07T07:41:33+07:00", "utc": "2005-12-07T00:41:33Z", "ms": 1133916092744.6309 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-06T10:02:48+07:00", "utc": "2005-12-06T03:02:48Z", "ms": 1133838167856.9863 }, "end": { "local": "2005-12-07T07:41:33+07:00", "utc": "2005-12-07T00:41:33Z", "ms": 1133916092744.6309 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-12-06", "window": { "start": { "local": "2005-12-06T11:52:19+07:00", "utc": "2005-12-06T04:52:19Z", "ms": 1133844739391.5994 }, "end": { "local": "2005-12-06T12:40:19+07:00", "utc": "2005-12-06T05:40:19Z", "ms": 1133847619391.5994 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-12-07", "window": { "start": { "local": "2005-12-07T11:52:45+07:00", "utc": "2005-12-07T04:52:45Z", "ms": 1133931165063.7021 }, "end": { "local": "2005-12-07T12:40:45+07:00", "utc": "2005-12-07T05:40:45Z", "ms": 1133934045063.7021 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:03 on Tue 6 Dec to 07:42 on Wed 7 Dec.", "fact": "2005-12-06T03:02:48Z → 2005-12-07T00:41:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 6th, 11:53–12:41 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6572 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Medan, 2005: Tuesday 6 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-06", "confidence": "determinate" } ], "quote": "In Medan, Campā Ṣaṣṭhī 2005 falls on Tuesday 6 December. Ṣaṣṭhī runs from 10:03 on Tue 6 Dec to 07:42 on Wed 7 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6572, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2005-12-06T10:02:48+07:00", "utc": "2005-12-06T03:02:48Z", "ms": 1133838167856.9863 }, "end": { "local": "2005-12-07T07:41:33+07:00", "utc": "2005-12-07T00:41:33Z", "ms": 1133916092744.6309 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-06T10:02:48+07:00", "utc": "2005-12-06T03:02:48Z", "ms": 1133838167856.9863 }, "end": { "local": "2005-12-07T07:41:33+07:00", "utc": "2005-12-07T00:41:33Z", "ms": 1133916092744.6309 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-12-06", "window": { "start": { "local": "2005-12-06T11:52:19+07:00", "utc": "2005-12-06T04:52:19Z", "ms": 1133844739391.5994 }, "end": { "local": "2005-12-06T12:40:19+07:00", "utc": "2005-12-06T05:40:19Z", "ms": 1133847619391.5994 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-12-07", "window": { "start": { "local": "2005-12-07T11:52:45+07:00", "utc": "2005-12-07T04:52:45Z", "ms": 1133931165063.7021 }, "end": { "local": "2005-12-07T12:40:45+07:00", "utc": "2005-12-07T05:40:45Z", "ms": 1133934045063.7021 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:03 on Tue 6 Dec to 07:42 on Wed 7 Dec.", "fact": "2005-12-06T03:02:48Z → 2005-12-07T00:41:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 6th, 11:53–12:41 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6572 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Medan, 2005: Tuesday 6 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-06", "confidence": "determinate" } ], "quote": "In Medan, Skanda Ṣaṣṭhī 2005 falls on Tuesday 6 December. Ṣaṣṭhī runs from 10:03 on Tue 6 Dec to 07:42 on Wed 7 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15072, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2005-12-07T07:41:33+07:00", "utc": "2005-12-07T00:41:33Z", "ms": 1133916092744.6309 }, "end": { "local": "2005-12-08T05:34:02+07:00", "utc": "2005-12-07T22:34:02Z", "ms": 1133994842354.561 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-07T07:41:33+07:00", "utc": "2005-12-07T00:41:33Z", "ms": 1133916092744.6309 }, "end": { "local": "2005-12-08T05:34:02+07:00", "utc": "2005-12-07T22:34:02Z", "ms": 1133994842354.561 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-12-07", "window": { "start": { "local": "2005-12-07T11:52:45+07:00", "utc": "2005-12-07T04:52:45Z", "ms": 1133931165063.7021 }, "end": { "local": "2005-12-07T12:40:45+07:00", "utc": "2005-12-07T05:40:45Z", "ms": 1133934045063.7021 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-12-08", "window": { "start": { "local": "2005-12-08T11:53:11+07:00", "utc": "2005-12-08T04:53:11Z", "ms": 1134017591211.506 }, "end": { "local": "2005-12-08T12:41:11+07:00", "utc": "2005-12-08T05:41:11Z", "ms": 1134020471211.506 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:42 on Wed 7 Dec to 05:34 on Thu 8 Dec.", "fact": "2005-12-07T00:41:33Z → 2005-12-07T22:34:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 7th, 11:53–12:41 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15072 s" }, { "step": "ruling", "text": "Mitra Saptamī, Medan, 2005: Wednesday 7 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-07", "confidence": "determinate" } ], "quote": "In Medan, Mitra Saptamī 2005 falls on Wednesday 7 December. Saptamī runs from 07:42 on Wed 7 Dec to 05:34 on Thu 8 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/ekadashi?on=2005-12-11", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19725, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-12-11T00:52:22+07:00", "utc": "2005-12-10T17:52:22Z", "ms": 1134237142442.9556 }, "end": { "local": "2005-12-11T23:53:37+07:00", "utc": "2005-12-11T16:53:37Z", "ms": 1134320016580.3398 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-11T00:52:22+07:00", "utc": "2005-12-10T17:52:22Z", "ms": 1134237142442.9556 }, "end": { "local": "2005-12-11T23:53:37+07:00", "utc": "2005-12-11T16:53:37Z", "ms": 1134320016580.3398 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-12-11", "window": { "start": { "local": "2005-12-11T06:21:07+07:00", "utc": "2005-12-10T23:21:07Z", "ms": 1134256867043.163 }, "end": { "local": "2005-12-11T06:21:07+07:00", "utc": "2005-12-10T23:21:07Z", "ms": 1134256867043.163 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2005-12-12", "window": { "start": { "local": "2005-12-12T06:21:36+07:00", "utc": "2005-12-11T23:21:36Z", "ms": 1134343295994.5166 }, "end": { "local": "2005-12-12T06:21:36+07:00", "utc": "2005-12-11T23:21:36Z", "ms": 1134343295994.5166 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:52 on Sun 11 Dec to 23:54 on Sun 11 Dec.", "fact": "2005-12-10T17:52:22Z → 2005-12-11T16:53:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 11th and 06:22 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19725 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Medan, 2005: Sunday 11 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": "2005-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-11", "confidence": "determinate" } ], "quote": "In Medan, Mokṣadā Ekādaśī 2005 falls on Sunday 11 December. Ekādaśī runs from 00:52 on Sun 11 Dec to 23:54 on Sun 11 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37793, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2005-12-11T23:53:37+07:00", "utc": "2005-12-11T16:53:37Z", "ms": 1134320016580.3398 }, "end": { "local": "2005-12-12T23:12:53+07:00", "utc": "2005-12-12T16:12:53Z", "ms": 1134403973002.337 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-11T23:53:37+07:00", "utc": "2005-12-11T16:53:37Z", "ms": 1134320016580.3398 }, "end": { "local": "2005-12-12T23:12:53+07:00", "utc": "2005-12-12T16:12:53Z", "ms": 1134403973002.337 } }, "kaala": "madhyahna", "days": [ { "local_date": "2005-12-11", "window": { "start": { "local": "2005-12-11T11:54:32+07:00", "utc": "2005-12-11T04:54:32Z", "ms": 1134276872228.7349 }, "end": { "local": "2005-12-11T12:42:32+07:00", "utc": "2005-12-11T05:42:32Z", "ms": 1134279752228.7349 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2005-12-12", "window": { "start": { "local": "2005-12-12T11:55:00+07:00", "utc": "2005-12-12T04:55:00Z", "ms": 1134363300000.7402 }, "end": { "local": "2005-12-12T12:43:00+07:00", "utc": "2005-12-12T05:43:00Z", "ms": 1134366180000.7402 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:54 on Sun 11 Dec to 23:13 on Mon 12 Dec.", "fact": "2005-12-11T16:53:37Z → 2005-12-12T16:12:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 11th, 11:55–12:43 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37793 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Medan, 2005: Monday 12 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2005-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-12", "confidence": "determinate" } ], "quote": "In Medan, Akhaṇḍa Dvādaśī 2005 falls on Monday 12 December. Dvādaśī runs from 23:54 on Sun 11 Dec to 23:13 on Mon 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/pradosha-vrata?on=2005-12-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10668, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-12-12T23:12:53+07:00", "utc": "2005-12-12T16:12:53Z", "ms": 1134403973002.337 }, "end": { "local": "2005-12-13T22:51:25+07:00", "utc": "2005-12-13T15:51:25Z", "ms": 1134489084891.771 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-12T23:12:53+07:00", "utc": "2005-12-12T16:12:53Z", "ms": 1134403973002.337 }, "end": { "local": "2005-12-13T22:51:25+07:00", "utc": "2005-12-13T15:51:25Z", "ms": 1134489084891.771 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-12-12", "window": { "start": { "local": "2005-12-12T18:16:24+07:00", "utc": "2005-12-12T11:16:24Z", "ms": 1134386184006.9636 }, "end": { "local": "2005-12-12T19:53:09+07:00", "utc": "2005-12-12T12:53:09Z", "ms": 1134391989495.0032 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2005-12-13", "window": { "start": { "local": "2005-12-13T18:16:51+07:00", "utc": "2005-12-13T11:16:51Z", "ms": 1134472611053.4568 }, "end": { "local": "2005-12-13T19:53:37+07:00", "utc": "2005-12-13T12:53:37Z", "ms": 1134478416850.748 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:13 on Mon 12 Dec to 22:51 on Tue 13 Dec.", "fact": "2005-12-12T16:12:53Z → 2005-12-13T15:51:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–19:53 on the 12th, 18:17–19:54 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 12th and 97 of 97 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10668 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Medan, 2005: Tuesday 13 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": "2005-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-13", "confidence": "determinate" } ], "quote": "In Medan, Śukla Pradoṣa Vrata 2005 falls on Tuesday 13 December. Trayodaśī runs from 23:13 on Mon 12 Dec to 22:51 on Tue 13 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10637, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2005-12-14T22:51:21+07:00", "utc": "2005-12-14T15:51:21Z", "ms": 1134575481361.73 }, "end": { "local": "2005-12-15T23:15:33+07:00", "utc": "2005-12-15T16:15:33Z", "ms": 1134663333171.174 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-14T22:51:21+07:00", "utc": "2005-12-14T15:51:21Z", "ms": 1134575481361.73 }, "end": { "local": "2005-12-15T23:15:33+07:00", "utc": "2005-12-15T16:15:33Z", "ms": 1134663333171.174 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-12-14", "window": { "start": { "local": "2005-12-14T18:17:19+07:00", "utc": "2005-12-14T11:17:19Z", "ms": 1134559038527.0583 }, "end": { "local": "2005-12-14T19:54:05+07:00", "utc": "2005-12-14T12:54:05Z", "ms": 1134564844598.6042 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2005-12-15", "window": { "start": { "local": "2005-12-15T18:17:46+07:00", "utc": "2005-12-15T11:17:46Z", "ms": 1134645466400.5818 }, "end": { "local": "2005-12-15T19:54:33+07:00", "utc": "2005-12-15T12:54:33Z", "ms": 1134651272711.1565 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:51 on Wed 14 Dec to 23:16 on Thu 15 Dec.", "fact": "2005-12-14T15:51:21Z → 2005-12-15T16:15:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:54 on the 14th, 18:18–19:55 on the 15th.", "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 97 minutes on the 14th and 97 of 97 on the 15th.", "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 10637 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Medan, 2005: Thursday 15 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": "2005-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-15", "confidence": "determinate" } ], "quote": "In Medan, Dattātreyotpatti (Datta Jayanti) 2005 falls on Thursday 15 December. Pūrṇimā runs from 22:51 on Wed 14 Dec to 23:16 on Thu 15 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/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": "/medan/festivals/2005/sankashta-chaturthi?on=2005-12-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23658, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2005-12-19T03:17:32+07:00", "utc": "2005-12-18T20:17:32Z", "ms": 1134937051902.4453 }, "end": { "local": "2005-12-20T05:33:37+07:00", "utc": "2005-12-19T22:33:37Z", "ms": 1135031617176.2693 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-19T03:17:32+07:00", "utc": "2005-12-18T20:17:32Z", "ms": 1134937051902.4453 }, "end": { "local": "2005-12-20T05:33:37+07:00", "utc": "2005-12-19T22:33:37Z", "ms": 1135031617176.2693 } }, "kaala": "moonrise", "days": [ { "local_date": "2005-12-18", "window": { "start": { "local": "2005-12-18T20:43:14+07:00", "utc": "2005-12-18T13:43:14Z", "ms": 1134913394203.6787 }, "end": { "local": "2005-12-18T20:43:14+07:00", "utc": "2005-12-18T13:43:14Z", "ms": 1134913394203.6787 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-12-19", "window": { "start": { "local": "2005-12-19T21:31:47+07:00", "utc": "2005-12-19T14:31:47Z", "ms": 1135002707498.383 }, "end": { "local": "2005-12-19T21:31:47+07:00", "utc": "2005-12-19T14:31:47Z", "ms": 1135002707498.383 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:18 on Mon 19 Dec to 05:34 on Tue 20 Dec.", "fact": "2005-12-18T20:17:32Z → 2005-12-19T22:33:37Z" }, { "step": "kaala", "text": "Moonrise is at 20:43 on the 18th and 21:32 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23658 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Medan, 2005: Monday 19 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": "2005-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-19", "confidence": "determinate" } ], "quote": "In Medan, Saṅkaṣṭa Caturthī 2005 falls on Monday 19 December. Caturthī runs from 03:18 on Mon 19 Dec to 05:34 on Tue 20 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/sankashta-chaturthi?on=2005-12-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/ekadashi?on=2005-12-27", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41425, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2005-12-26T18:02:40+07:00", "utc": "2005-12-26T11:02:40Z", "ms": 1135594959631.3613 }, "end": { "local": "2005-12-27T17:59:25+07:00", "utc": "2005-12-27T10:59:25Z", "ms": 1135681165014.1277 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-26T18:02:40+07:00", "utc": "2005-12-26T11:02:40Z", "ms": 1135594959631.3613 }, "end": { "local": "2005-12-27T17:59:25+07:00", "utc": "2005-12-27T10:59:25Z", "ms": 1135681165014.1277 } }, "kaala": "sunrise", "days": [ { "local_date": "2005-12-26", "window": { "start": { "local": "2005-12-26T06:28:31+07:00", "utc": "2005-12-25T23:28:31Z", "ms": 1135553311101.2666 }, "end": { "local": "2005-12-26T06:28:31+07:00", "utc": "2005-12-25T23:28:31Z", "ms": 1135553311101.2666 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2005-12-27", "window": { "start": { "local": "2005-12-27T06:29:00+07:00", "utc": "2005-12-26T23:29:00Z", "ms": 1135639740196.4854 }, "end": { "local": "2005-12-27T06:29:00+07:00", "utc": "2005-12-26T23:29:00Z", "ms": 1135639740196.4854 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:03 on Mon 26 Dec to 17:59 on Tue 27 Dec.", "fact": "2005-12-26T11:02:40Z → 2005-12-27T10:59:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 26th and 06:29 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 41425 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Medan, 2005: Tuesday 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": "2005-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-27", "confidence": "determinate" } ], "quote": "In Medan, Saphalā Ekādaśī 2005 falls on Tuesday 27 December. Ekādaśī runs from 18:03 on Mon 26 Dec to 17:59 on Tue 27 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/medan/festivals/2005/ekadashi?on=2005-12-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/pradosha-vrata?on=2005-12-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4776, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2005-12-28T17:04:36+07:00", "utc": "2005-12-28T10:04:36Z", "ms": 1135764275786.9092 }, "end": { "local": "2005-12-29T15:22:51+07:00", "utc": "2005-12-29T08:22:51Z", "ms": 1135844570911.8425 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-28T17:04:36+07:00", "utc": "2005-12-28T10:04:36Z", "ms": 1135764275786.9092 }, "end": { "local": "2005-12-29T15:22:51+07:00", "utc": "2005-12-29T08:22:51Z", "ms": 1135844570911.8425 } }, "kaala": "pradosha", "days": [ { "local_date": "2005-12-28", "window": { "start": { "local": "2005-12-28T18:24:12+07:00", "utc": "2005-12-28T11:24:12Z", "ms": 1135769051539.255 }, "end": { "local": "2005-12-28T20:00:58+07:00", "utc": "2005-12-28T13:00:58Z", "ms": 1135774857679.981 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2005-12-29", "window": { "start": { "local": "2005-12-29T18:24:42+07:00", "utc": "2005-12-29T11:24:42Z", "ms": 1135855481773.3518 }, "end": { "local": "2005-12-29T20:01:28+07:00", "utc": "2005-12-29T13:01:28Z", "ms": 1135861287647.0117 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:05 on Wed 28 Dec to 15:23 on Thu 29 Dec.", "fact": "2005-12-28T10:04:36Z → 2005-12-29T08:22:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–20:01 on the 28th, 18:25–20:01 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 28th and 0 of 97 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4776 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Medan, 2005: Wednesday 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": "2005-12-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-28", "confidence": "determinate" } ], "quote": "In Medan, Kṛṣṇa Pradoṣa Vrata 2005 falls on Wednesday 28 December. Trayodaśī runs from 17:05 on Wed 28 Dec to 15:23 on Thu 29 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/medan/festivals/2005/pradosha-vrata?on=2005-12-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/medan/festivals/2005/shivaratri?on=2005-12-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1214520", "year": 2005, "local_date": "2005-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31243, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2005-12-29T15:22:51+07:00", "utc": "2005-12-29T08:22:51Z", "ms": 1135844570911.8425 }, "end": { "local": "2005-12-30T13:01:59+07:00", "utc": "2005-12-30T06:01:59Z", "ms": 1135922518915.2527 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2005-12-29T15:22:51+07:00", "utc": "2005-12-29T08:22:51Z", "ms": 1135844570911.8425 }, "end": { "local": "2005-12-30T13:01:59+07:00", "utc": "2005-12-30T06:01:59Z", "ms": 1135922518915.2527 } }, "kaala": "nishita", "days": [ { "local_date": "2005-12-29", "window": { "start": { "local": "2005-12-30T00:03:34+07:00", "utc": "2005-12-29T17:03:34Z", "ms": 1135875813799.5762 }, "end": { "local": "2005-12-30T00:51:34+07:00", "utc": "2005-12-29T17:51:34Z", "ms": 1135878693799.5762 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2005-12-30", "window": { "start": { "local": "2005-12-31T00:04:03+07:00", "utc": "2005-12-30T17:04:03Z", "ms": 1135962242806.102 }, "end": { "local": "2005-12-31T00:52:03+07:00", "utc": "2005-12-30T17:52:03Z", "ms": 1135965122806.102 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:23 on Thu 29 Dec to 13:02 on Fri 30 Dec.", "fact": "2005-12-29T08:22:51Z → 2005-12-30T06:01:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 29th, 00:04–00:52 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31243 s" }, { "step": "ruling", "text": "Śivarātri, Medan, 2005: Thursday 29 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": "2005-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2005-12-29", "confidence": "determinate" } ], "quote": "In Medan, Śivarātri 2005 falls on Thursday 29 December. Caturdaśī runs from 15:23 on Thu 29 Dec to 13:02 on Fri 30 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/medan/festivals/2005/shivaratri?on=2005-12-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }