{ "id": "/giza/festivals/2046", "place": { "id": "360995", "slug": "giza", "name": "Giza", "region": "Egypt", "country": "EG", "lat": 30.00944, "lon": 31.20861, "elevation_m": 19, "tz": "Africa/Cairo" }, "year": 2046, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/giza/festivals/2046/ekadashi?on=2046-01-02", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6673, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-01-02T05:00:21+02:00", "utc": "2046-01-02T03:00:21Z", "ms": 2398474820727.2173 }, "end": { "local": "2046-01-03T04:24:38+02:00", "utc": "2046-01-03T02:24:38Z", "ms": 2398559078279.113 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-01-02T05:00:21+02:00", "utc": "2046-01-02T03:00:21Z", "ms": 2398474820727.2173 }, "end": { "local": "2046-01-03T04:24:38+02:00", "utc": "2046-01-03T02:24:38Z", "ms": 2398559078279.113 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-01-02", "window": { "start": { "local": "2046-01-02T06:51:33+02:00", "utc": "2046-01-02T04:51:33Z", "ms": 2398481493449.571 }, "end": { "local": "2046-01-02T06:51:33+02:00", "utc": "2046-01-02T04:51:33Z", "ms": 2398481493449.571 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-01-03", "window": { "start": { "local": "2046-01-03T06:51:46+02:00", "utc": "2046-01-03T04:51:46Z", "ms": 2398567905519.2695 }, "end": { "local": "2046-01-03T06:51:46+02:00", "utc": "2046-01-03T04:51:46Z", "ms": 2398567905519.2695 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:00 on Tue 2 Jan to 04:25 on Wed 3 Jan.", "fact": "2046-01-02T03:00:21Z → 2046-01-03T02:24:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 2nd and 06:52 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 6673 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Giza, 2046: Tuesday 2 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": "2046-01-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-02", "confidence": "determinate" } ], "quote": "In Giza, Saphalā Ekādaśī 2046 falls on Tuesday 2 January. Ekādaśī runs from 05:00 on Tue 2 Jan to 04:25 on Wed 3 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-01-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-01-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33378, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-01-04T04:13:53+02:00", "utc": "2046-01-04T02:13:53Z", "ms": 2398644833202.8105 }, "end": { "local": "2046-01-05T04:29:25+02:00", "utc": "2046-01-05T02:29:25Z", "ms": 2398732164669.3857 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-01-04T04:13:53+02:00", "utc": "2046-01-04T02:13:53Z", "ms": 2398644833202.8105 }, "end": { "local": "2046-01-05T04:29:25+02:00", "utc": "2046-01-05T02:29:25Z", "ms": 2398732164669.3857 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-01-03", "window": { "start": { "local": "2046-01-03T17:07:41+02:00", "utc": "2046-01-03T15:07:41Z", "ms": 2398604861400.679 }, "end": { "local": "2046-01-03T18:57:35+02:00", "utc": "2046-01-03T16:57:35Z", "ms": 2398611455346.953 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2046-01-04", "window": { "start": { "local": "2046-01-04T17:08:26+02:00", "utc": "2046-01-04T15:08:26Z", "ms": 2398691306163.3145 }, "end": { "local": "2046-01-04T18:58:15+02:00", "utc": "2046-01-04T16:58:15Z", "ms": 2398697895323.8076 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:14 on Thu 4 Jan to 04:29 on Fri 5 Jan.", "fact": "2046-01-04T02:13:53Z → 2046-01-05T02:29:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:08–18:58 on the 3rd, 17:08–18:58 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 110 minutes on the 3rd and 110 of 110 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 33378 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Thursday 4 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-04", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Thursday 4 January. Trayodaśī runs from 04:14 on Thu 4 Jan to 04:29 on Fri 5 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-01-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14709, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-01-05T04:29:25+02:00", "utc": "2046-01-05T02:29:25Z", "ms": 2398732164669.3857 }, "end": { "local": "2046-01-06T05:12:32+02:00", "utc": "2046-01-06T03:12:32Z", "ms": 2398821151781.03 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-01-05T04:29:25+02:00", "utc": "2046-01-05T02:29:25Z", "ms": 2398732164669.3857 }, "end": { "local": "2046-01-06T05:12:32+02:00", "utc": "2046-01-06T03:12:32Z", "ms": 2398821151781.03 } }, "kaala": "nishita", "days": [ { "local_date": "2046-01-04", "window": { "start": { "local": "2046-01-04T23:36:16+02:00", "utc": "2046-01-04T21:36:16Z", "ms": 2398714575515.164 }, "end": { "local": "2046-01-05T00:24:16+02:00", "utc": "2046-01-04T22:24:16Z", "ms": 2398717455515.164 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-01-05", "window": { "start": { "local": "2046-01-05T23:36:42+02:00", "utc": "2046-01-05T21:36:42Z", "ms": 2398801001915.407 }, "end": { "local": "2046-01-06T00:24:42+02:00", "utc": "2046-01-05T22:24:42Z", "ms": 2398803881915.407 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:29 on Fri 5 Jan to 05:13 on Sat 6 Jan.", "fact": "2046-01-05T02:29:25Z → 2046-01-06T03:12:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 4th, 23:37–00:25 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 14709 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Friday 5 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-05", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Friday 5 January. Caturdaśī runs from 04:29 on Fri 5 Jan to 05:13 on Sat 6 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-01-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-01-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 674, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-01-10T12:38:01+02:00", "utc": "2046-01-10T10:38:01Z", "ms": 2399193481495.2446 }, "end": { "local": "2046-01-11T15:19:36+02:00", "utc": "2046-01-11T13:19:36Z", "ms": 2399289575813.46 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-01-10T12:38:01+02:00", "utc": "2046-01-10T10:38:01Z", "ms": 2399193481495.2446 }, "end": { "local": "2046-01-11T15:19:36+02:00", "utc": "2046-01-11T13:19:36Z", "ms": 2399289575813.46 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-01-10", "window": { "start": { "local": "2046-01-10T11:38:47+02:00", "utc": "2046-01-10T09:38:47Z", "ms": 2399189927137.121 }, "end": { "local": "2046-01-10T12:26:47+02:00", "utc": "2046-01-10T10:26:47Z", "ms": 2399192807137.121 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-01-11", "window": { "start": { "local": "2046-01-11T11:39:11+02:00", "utc": "2046-01-11T09:39:11Z", "ms": 2399276351255.1323 }, "end": { "local": "2046-01-11T12:27:11+02:00", "utc": "2046-01-11T10:27:11Z", "ms": 2399279231255.1323 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:38 on Wed 10 Jan to 15:20 on Thu 11 Jan.", "fact": "2046-01-10T10:38:01Z → 2046-01-11T13:19:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 10th, 11:39–12:27 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 674 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Thursday 11 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-11", "confidence": "boundary" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Thursday 11 January. Caturthī runs from 12:38 on Wed 10 Jan to 15:20 on Thu 11 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9232, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 }, "end": { "local": "2046-02-13T03:41:13+02:00", "utc": "2046-02-13T01:41:13Z", "ms": 2402098873019.514 } }, "span": { "of": "transit", "start": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 }, "end": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 } }, "kaala": "sunset-day", "days": [ { "local_date": "2046-01-14", "window": { "start": { "local": "2046-01-13T17:15:39+02:00", "utc": "2046-01-13T15:15:39Z", "ms": 2399469338986.8516 }, "end": { "local": "2046-01-14T17:16:30+02:00", "utc": "2046-01-14T15:16:30Z", "ms": 2399555789548.5166 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2046-01-15", "window": { "start": { "local": "2046-01-14T17:16:30+02:00", "utc": "2046-01-14T15:16:30Z", "ms": 2399555789548.5166 }, "end": { "local": "2046-01-15T17:17:20+02:00", "utc": "2046-01-15T15:17:20Z", "ms": 2399642240441.88 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2046-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 14:43 on Sun 14 Jan.", "fact": "2046-01-14T12:42:38Z · 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 17:16, and the day of the 15th ends at 17:17.", "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 9232 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Giza, 2046: Saturday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2046-01-13", "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": "2046-01-13", "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 Giza, Bhogi 2046 falls on Saturday 13 January. It is kept the day before Pongal, which falls on Sunday 14 January. The Sun enters Makara at 14:43 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9232, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 }, "end": { "local": "2046-02-13T03:41:13+02:00", "utc": "2046-02-13T01:41:13Z", "ms": 2402098873019.514 } }, "span": { "of": "transit", "start": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 }, "end": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 } }, "kaala": "sunset-day", "days": [ { "local_date": "2046-01-14", "window": { "start": { "local": "2046-01-13T17:15:39+02:00", "utc": "2046-01-13T15:15:39Z", "ms": 2399469338986.8516 }, "end": { "local": "2046-01-14T17:16:30+02:00", "utc": "2046-01-14T15:16:30Z", "ms": 2399555789548.5166 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2046-01-15", "window": { "start": { "local": "2046-01-14T17:16:30+02:00", "utc": "2046-01-14T15:16:30Z", "ms": 2399555789548.5166 }, "end": { "local": "2046-01-15T17:17:20+02:00", "utc": "2046-01-15T15:17:20Z", "ms": 2399642240441.88 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 14:43 on Sun 14 Jan.", "fact": "2046-01-14T12:42:38Z · 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 17:16, and the day of the 15th ends at 17:17.", "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 9232 s" }, { "step": "ruling", "text": "Pongal, Giza, 2046: Sunday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2046-01-14", "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": "2046-01-14", "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 Giza, Pongal 2046 falls on Sunday 14 January. The Sun enters Makara at 14:43 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33442, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 }, "end": { "local": "2046-02-13T03:41:13+02:00", "utc": "2046-02-13T01:41:13Z", "ms": 2402098873019.514 } }, "span": { "of": "transit", "start": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 }, "end": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 } }, "kaala": "civil-day", "days": [ { "local_date": "2046-01-14", "window": { "start": { "local": "2046-01-14T00:00:00+02:00", "utc": "2046-01-13T22:00:00Z", "ms": 2399493600000 }, "end": { "local": "2046-01-15T00:00:00+02:00", "utc": "2046-01-14T22:00:00Z", "ms": 2399580000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2046-01-15", "window": { "start": { "local": "2046-01-15T00:00:00+02:00", "utc": "2046-01-14T22:00:00Z", "ms": 2399580000000 }, "end": { "local": "2046-01-16T00:00:00+02:00", "utc": "2046-01-15T22:00:00Z", "ms": 2399666400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 14:43 on Sun 14 Jan.", "fact": "2046-01-14T12:42:38Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Giza.", "fact": "civil-day: midnight-to-midnight · Africa/Cairo" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 33442 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Giza, 2046: Sunday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2046-01-14", "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": "2046-01-14", "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 Giza, Makara Saṅkrānti 2046 falls on Sunday 14 January. The Sun enters Makara at 14:43 on Sun 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9232, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 }, "end": { "local": "2046-02-13T03:41:13+02:00", "utc": "2046-02-13T01:41:13Z", "ms": 2402098873019.514 } }, "span": { "of": "transit", "start": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 }, "end": { "local": "2046-01-14T14:42:38+02:00", "utc": "2046-01-14T12:42:38Z", "ms": 2399546557917.2534 } }, "kaala": "sunset-day", "days": [ { "local_date": "2046-01-14", "window": { "start": { "local": "2046-01-13T17:15:39+02:00", "utc": "2046-01-13T15:15:39Z", "ms": 2399469338986.8516 }, "end": { "local": "2046-01-14T17:16:30+02:00", "utc": "2046-01-14T15:16:30Z", "ms": 2399555789548.5166 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2046-01-15", "window": { "start": { "local": "2046-01-14T17:16:30+02:00", "utc": "2046-01-14T15:16:30Z", "ms": 2399555789548.5166 }, "end": { "local": "2046-01-15T17:17:20+02:00", "utc": "2046-01-15T15:17:20Z", "ms": 2399642240441.88 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2046-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 14:43 on Sun 14 Jan.", "fact": "2046-01-14T12:42:38Z · 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 17:16, and the day of the 15th ends at 17:17.", "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 9232 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Giza, 2046: Monday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2046-01-15", "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": "2046-01-15", "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 Giza, Mattu Pongal 2046 falls on Monday 15 January. It is kept the day after Pongal, which falls on Sunday 14 January. The Sun enters Makara at 14:43 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-01-18", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19954, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-01-18T01:18:55+02:00", "utc": "2046-01-17T23:18:55Z", "ms": 2399843934747.1406 }, "end": { "local": "2046-01-19T00:31:44+02:00", "utc": "2046-01-18T22:31:44Z", "ms": 2399927503798.8247 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-01-18T01:18:55+02:00", "utc": "2046-01-17T23:18:55Z", "ms": 2399843934747.1406 }, "end": { "local": "2046-01-19T00:31:44+02:00", "utc": "2046-01-18T22:31:44Z", "ms": 2399927503798.8247 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-01-18", "window": { "start": { "local": "2046-01-18T06:51:29+02:00", "utc": "2046-01-18T04:51:29Z", "ms": 2399863888729.4526 }, "end": { "local": "2046-01-18T06:51:29+02:00", "utc": "2046-01-18T04:51:29Z", "ms": 2399863888729.4526 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-01-19", "window": { "start": { "local": "2046-01-19T06:51:14+02:00", "utc": "2046-01-19T04:51:14Z", "ms": 2399950274198.3467 }, "end": { "local": "2046-01-19T06:51:14+02:00", "utc": "2046-01-19T04:51:14Z", "ms": 2399950274198.3467 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:19 on Thu 18 Jan to 00:32 on Fri 19 Jan.", "fact": "2046-01-17T23:18:55Z → 2046-01-18T22:31:44Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 18th and 06:51 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 19954 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Giza, 2046: Thursday 18 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": "2046-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-18", "confidence": "determinate" } ], "quote": "In Giza, Putradā Ekādaśī 2046 falls on Thursday 18 January. Ekādaśī runs from 01:19 on Thu 18 Jan to 00:32 on Fri 19 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-01-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-01-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5735, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-01-19T22:58:25+02:00", "utc": "2046-01-19T20:58:25Z", "ms": 2400008305027.5747 }, "end": { "local": "2046-01-20T20:45:05+02:00", "utc": "2046-01-20T18:45:05Z", "ms": 2400086705251.9023 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-01-19T22:58:25+02:00", "utc": "2046-01-19T20:58:25Z", "ms": 2400008305027.5747 }, "end": { "local": "2046-01-20T20:45:05+02:00", "utc": "2046-01-20T18:45:05Z", "ms": 2400086705251.9023 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-01-19", "window": { "start": { "local": "2046-01-19T17:20:47+02:00", "utc": "2046-01-19T15:20:47Z", "ms": 2399988046536.5767 }, "end": { "local": "2046-01-19T19:08:48+02:00", "utc": "2046-01-19T17:08:48Z", "ms": 2399994528067.066 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2046-01-20", "window": { "start": { "local": "2046-01-20T17:21:39+02:00", "utc": "2046-01-20T15:21:39Z", "ms": 2400074498506.3735 }, "end": { "local": "2046-01-20T19:09:31+02:00", "utc": "2046-01-20T17:09:31Z", "ms": 2400080970731.333 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:58 on Fri 19 Jan to 20:45 on Sat 20 Jan.", "fact": "2046-01-19T20:58:25Z → 2046-01-20T18:45:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:21–19:09 on the 19th, 17:22–19:10 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 0 of 108 minutes on the 19th and 108 of 108 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 5735 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Saturday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-20", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Saturday 20 January. Trayodaśī runs from 22:58 on Fri 19 Jan to 20:45 on Sat 20 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-01-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/sankashta-chaturthi?on=2046-01-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16712, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-01-25T04:43:29+02:00", "utc": "2046-01-25T02:43:29Z", "ms": 2400461008831.9565 }, "end": { "local": "2046-01-26T01:36:53+02:00", "utc": "2046-01-25T23:36:53Z", "ms": 2400536213340.85 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-01-25T04:43:29+02:00", "utc": "2046-01-25T02:43:29Z", "ms": 2400461008831.9565 }, "end": { "local": "2046-01-26T01:36:53+02:00", "utc": "2046-01-25T23:36:53Z", "ms": 2400536213340.85 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-01-24", "window": { "start": { "local": "2046-01-24T19:50:19+02:00", "utc": "2046-01-24T17:50:19Z", "ms": 2400429018766.983 }, "end": { "local": "2046-01-24T19:50:19+02:00", "utc": "2046-01-24T17:50:19Z", "ms": 2400429018766.983 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-01-25", "window": { "start": { "local": "2046-01-25T20:58:21+02:00", "utc": "2046-01-25T18:58:21Z", "ms": 2400519501481.554 }, "end": { "local": "2046-01-25T20:58:21+02:00", "utc": "2046-01-25T18:58:21Z", "ms": 2400519501481.554 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:43 on Thu 25 Jan to 01:37 on Fri 26 Jan.", "fact": "2046-01-25T02:43:29Z → 2046-01-25T23:36:53Z" }, { "step": "kaala", "text": "Moonrise is at 19:50 on the 24th and 20:58 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16712 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Thursday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-01-25", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Thursday 25 January. Caturthī runs from 04:43 on Thu 25 Jan to 01:37 on Fri 26 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-01-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ekadashi?on=2046-02-01", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37822, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-01-31T17:16:38+02:00", "utc": "2046-01-31T15:16:38Z", "ms": 2401024597650.7803 }, "end": { "local": "2046-02-01T17:56:53+02:00", "utc": "2046-02-01T15:56:53Z", "ms": 2401113412833.2944 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-01-31T17:16:38+02:00", "utc": "2046-01-31T15:16:38Z", "ms": 2401024597650.7803 }, "end": { "local": "2046-02-01T17:56:53+02:00", "utc": "2046-02-01T15:56:53Z", "ms": 2401113412833.2944 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-01-31", "window": { "start": { "local": "2046-01-31T06:46:16+02:00", "utc": "2046-01-31T04:46:16Z", "ms": 2400986775618.9966 }, "end": { "local": "2046-01-31T06:46:16+02:00", "utc": "2046-01-31T04:46:16Z", "ms": 2400986775618.9966 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-02-01", "window": { "start": { "local": "2046-02-01T06:45:41+02:00", "utc": "2046-02-01T04:45:41Z", "ms": 2401073140942.185 }, "end": { "local": "2046-02-01T06:45:41+02:00", "utc": "2046-02-01T04:45:41Z", "ms": 2401073140942.185 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:17 on Wed 31 Jan to 17:57 on Thu 1 Feb.", "fact": "2046-01-31T15:16:38Z → 2046-02-01T15:56:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 31st and 06:46 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37822 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Giza, 2046: Thursday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-01", "confidence": "determinate" } ], "quote": "In Giza, Ṣaṭtilā Ekādaśī 2046 falls on Thursday 1 February. Ekādaśī runs from 17:17 on Wed 31 Jan to 17:57 on Thu 1 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-02-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-02-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 599, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-02-02T19:08:28+02:00", "utc": "2046-02-02T17:08:28Z", "ms": 2401204108176.2637 }, "end": { "local": "2046-02-03T20:47:26+02:00", "utc": "2046-02-03T18:47:26Z", "ms": 2401296446102.0713 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-02T19:08:28+02:00", "utc": "2046-02-02T17:08:28Z", "ms": 2401204108176.2637 }, "end": { "local": "2046-02-03T20:47:26+02:00", "utc": "2046-02-03T18:47:26Z", "ms": 2401296446102.0713 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-02-02", "window": { "start": { "local": "2046-02-02T17:32:55+02:00", "utc": "2046-02-02T15:32:55Z", "ms": 2401198374786.413 }, "end": { "local": "2046-02-02T19:18:27+02:00", "utc": "2046-02-02T17:18:27Z", "ms": 2401204707129.8955 } }, "covered_min": 10, "window_min": 106, "qualifies": true }, { "local_date": "2046-02-03", "window": { "start": { "local": "2046-02-03T17:33:46+02:00", "utc": "2046-02-03T15:33:46Z", "ms": 2401284825975.6123 }, "end": { "local": "2046-02-03T19:19:06+02:00", "utc": "2046-02-03T17:19:06Z", "ms": 2401291146312.3247 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:08 on Fri 2 Feb to 20:47 on Sat 3 Feb.", "fact": "2046-02-02T17:08:28Z → 2046-02-03T18:47:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:33–19:18 on the 2nd, 17:34–19:19 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 10 of 106 minutes on the 2nd and 105 of 105 on the 3rd.", "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 599 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Saturday 3 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-02-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-03", "confidence": "boundary" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Saturday 3 February. Trayodaśī runs from 19:08 on Fri 2 Feb to 20:47 on Sat 3 Feb and covers all of pradoṣa that evening. It also reaches the previous evening for 10 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/giza/festivals/2046/pradosha-vrata?on=2046-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-02-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3327, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-02-03T20:47:26+02:00", "utc": "2046-02-03T18:47:26Z", "ms": 2401296446102.0713 }, "end": { "local": "2046-02-04T22:49:26+02:00", "utc": "2046-02-04T20:49:26Z", "ms": 2401390165704.996 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-03T20:47:26+02:00", "utc": "2046-02-03T18:47:26Z", "ms": 2401296446102.0713 }, "end": { "local": "2046-02-04T22:49:26+02:00", "utc": "2046-02-04T20:49:26Z", "ms": 2401390165704.996 } }, "kaala": "nishita", "days": [ { "local_date": "2046-02-03", "window": { "start": { "local": "2046-02-03T23:44:47+02:00", "utc": "2046-02-03T21:44:47Z", "ms": 2401307087238.283 }, "end": { "local": "2046-02-04T00:32:47+02:00", "utc": "2046-02-03T22:32:47Z", "ms": 2401309967238.283 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-02-04", "window": { "start": { "local": "2046-02-04T23:44:53+02:00", "utc": "2046-02-04T21:44:53Z", "ms": 2401393492604.9805 }, "end": { "local": "2046-02-05T00:32:53+02:00", "utc": "2046-02-04T22:32:53Z", "ms": 2401396372604.9805 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:47 on Sat 3 Feb to 22:49 on Sun 4 Feb.", "fact": "2046-02-03T18:47:26Z → 2046-02-04T20:49:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 3rd, 23:45–00:33 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3327 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Saturday 3 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": "2046-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-03", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Saturday 3 February. Caturdaśī runs from 20:47 on Sat 3 Feb to 22:49 on Sun 4 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22114, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-02-03T20:47:26+02:00", "utc": "2046-02-03T18:47:26Z", "ms": 2401296446102.0713 }, "end": { "local": "2046-02-04T22:49:26+02:00", "utc": "2046-02-04T20:49:26Z", "ms": 2401390165704.996 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-03T20:47:26+02:00", "utc": "2046-02-03T18:47:26Z", "ms": 2401296446102.0713 }, "end": { "local": "2046-02-04T22:49:26+02:00", "utc": "2046-02-04T20:49:26Z", "ms": 2401390165704.996 } }, "kaala": "arunodaya", "days": [ { "local_date": "2046-02-04", "window": { "start": { "local": "2046-02-04T04:58:28+02:00", "utc": "2046-02-04T02:58:28Z", "ms": 2401325908164.2417 }, "end": { "local": "2046-02-04T06:43:49+02:00", "utc": "2046-02-04T04:43:49Z", "ms": 2401332228500.954 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2046-02-05", "window": { "start": { "local": "2046-02-05T04:58:00+02:00", "utc": "2046-02-05T02:58:00Z", "ms": 2401412280104.7 }, "end": { "local": "2046-02-05T06:43:08+02:00", "utc": "2046-02-05T04:43:08Z", "ms": 2401418588286.4165 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:47 on Sat 3 Feb to 22:49 on Sun 4 Feb.", "fact": "2046-02-03T18:47:26Z → 2046-02-04T20:49:26Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:58–06:44 on the 4th, 04:58–06:43 on the 5th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 105 of 105 minutes on the 4th and 0 of 105 on the 5th.", "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 22114 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Giza, 2046: Sunday 4 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": "2046-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-04", "confidence": "determinate" } ], "quote": "In Giza, Yama Tarpaṇa 2046 falls on Sunday 4 February. Caturdaśī runs from 20:47 on Sat 3 Feb to 22:49 on Sun 4 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 370, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-02-09T09:05:53+02:00", "utc": "2046-02-09T07:05:53Z", "ms": 2401772752665.3516 }, "end": { "local": "2046-02-10T11:39:22+02:00", "utc": "2046-02-10T09:39:22Z", "ms": 2401868362303.5234 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-09T09:05:53+02:00", "utc": "2046-02-09T07:05:53Z", "ms": 2401772752665.3516 }, "end": { "local": "2046-02-10T11:39:22+02:00", "utc": "2046-02-10T09:39:22Z", "ms": 2401868362303.5234 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-02-09", "window": { "start": { "local": "2046-02-09T11:45:31+02:00", "utc": "2046-02-09T09:45:31Z", "ms": 2401782330844.7534 }, "end": { "local": "2046-02-09T12:33:31+02:00", "utc": "2046-02-09T10:33:31Z", "ms": 2401785210844.7534 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-02-10", "window": { "start": { "local": "2046-02-10T11:45:32+02:00", "utc": "2046-02-10T09:45:32Z", "ms": 2401868732075.51 }, "end": { "local": "2046-02-10T12:33:32+02:00", "utc": "2046-02-10T10:33:32Z", "ms": 2401871612075.51 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:06 on Fri 9 Feb to 11:39 on Sat 10 Feb.", "fact": "2046-02-09T07:05:53Z → 2046-02-10T09:39:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 9th, 11:46–12:34 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 370 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Giza, 2046: Friday 9 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": "2046-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-09", "confidence": "determinate" } ], "quote": "In Giza, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2046 falls on Friday 9 February. Caturthī runs from 09:06 on Fri 9 Feb to 11:39 on Sat 10 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21614, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-02-09T09:05:53+02:00", "utc": "2046-02-09T07:05:53Z", "ms": 2401772752665.3516 }, "end": { "local": "2046-02-10T11:39:22+02:00", "utc": "2046-02-10T09:39:22Z", "ms": 2401868362303.5234 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-09T09:05:53+02:00", "utc": "2046-02-09T07:05:53Z", "ms": 2401772752665.3516 }, "end": { "local": "2046-02-10T11:39:22+02:00", "utc": "2046-02-10T09:39:22Z", "ms": 2401868362303.5234 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-02-09", "window": { "start": { "local": "2046-02-09T17:38:47+02:00", "utc": "2046-02-09T15:38:47Z", "ms": 2401803527346.183 }, "end": { "local": "2046-02-09T19:22:53+02:00", "utc": "2046-02-09T17:22:53Z", "ms": 2401809772727.086 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2046-02-10", "window": { "start": { "local": "2046-02-10T17:39:36+02:00", "utc": "2046-02-10T15:39:36Z", "ms": 2401889976448.064 }, "end": { "local": "2046-02-10T19:23:29+02:00", "utc": "2046-02-10T17:23:29Z", "ms": 2401896208901.6167 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:06 on Fri 9 Feb to 11:39 on Sat 10 Feb.", "fact": "2046-02-09T07:05:53Z → 2046-02-10T09:39:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:23 on the 9th, 17:40–19:23 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 104 of 104 minutes on the 9th and 0 of 104 on the 10th.", "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 21614 s" }, { "step": "ruling", "text": "Tila Caturthī, Giza, 2046: Friday 9 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": "2046-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-09", "confidence": "determinate" } ], "quote": "In Giza, Tila Caturthī 2046 falls on Friday 9 February. Caturthī runs from 09:06 on Fri 9 Feb to 11:39 on Sat 10 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 370, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2046-02-10T11:39:22+02:00", "utc": "2046-02-10T09:39:22Z", "ms": 2401868362303.5234 }, "end": { "local": "2046-02-11T13:55:41+02:00", "utc": "2046-02-11T11:55:41Z", "ms": 2401962940878.5713 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-10T11:39:22+02:00", "utc": "2046-02-10T09:39:22Z", "ms": 2401868362303.5234 }, "end": { "local": "2046-02-11T13:55:41+02:00", "utc": "2046-02-11T11:55:41Z", "ms": 2401962940878.5713 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-02-10", "window": { "start": { "local": "2046-02-10T11:45:32+02:00", "utc": "2046-02-10T09:45:32Z", "ms": 2401868732075.51 }, "end": { "local": "2046-02-10T12:33:32+02:00", "utc": "2046-02-10T10:33:32Z", "ms": 2401871612075.51 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-02-11", "window": { "start": { "local": "2046-02-11T11:45:33+02:00", "utc": "2046-02-11T09:45:33Z", "ms": 2401955132519.714 }, "end": { "local": "2046-02-11T12:33:33+02:00", "utc": "2046-02-11T10:33:33Z", "ms": 2401958012519.714 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:39 on Sat 10 Feb to 13:56 on Sun 11 Feb.", "fact": "2046-02-10T09:39:22Z → 2046-02-11T11:55:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 10th, 11:46–12:34 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 370 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Giza, 2046: Saturday 10 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": "2046-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-10", "confidence": "determinate" } ], "quote": "In Giza, Śrī Pañcamī 2046 falls on Saturday 10 February. Pañcamī runs from 11:39 on Sat 10 Feb to 13:56 on Sun 11 Feb and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-10", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 370, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2046-02-10T11:39:22+02:00", "utc": "2046-02-10T09:39:22Z", "ms": 2401868362303.5234 }, "end": { "local": "2046-02-11T13:55:41+02:00", "utc": "2046-02-11T11:55:41Z", "ms": 2401962940878.5713 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-10T11:39:22+02:00", "utc": "2046-02-10T09:39:22Z", "ms": 2401868362303.5234 }, "end": { "local": "2046-02-11T13:55:41+02:00", "utc": "2046-02-11T11:55:41Z", "ms": 2401962940878.5713 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-02-10", "window": { "start": { "local": "2046-02-10T11:45:32+02:00", "utc": "2046-02-10T09:45:32Z", "ms": 2401868732075.51 }, "end": { "local": "2046-02-10T12:33:32+02:00", "utc": "2046-02-10T10:33:32Z", "ms": 2401871612075.51 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-02-11", "window": { "start": { "local": "2046-02-11T11:45:33+02:00", "utc": "2046-02-11T09:45:33Z", "ms": 2401955132519.714 }, "end": { "local": "2046-02-11T12:33:33+02:00", "utc": "2046-02-11T10:33:33Z", "ms": 2401958012519.714 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:39 on Sat 10 Feb to 13:56 on Sun 11 Feb.", "fact": "2046-02-10T09:39:22Z → 2046-02-11T11:55:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 10th, 11:46–12:34 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 370 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Giza, 2046: Saturday 10 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-02-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-11", "confidence": "boundary" } ], "quote": "In Giza, Vasanta Pañcamī 2046 falls on Saturday 10 February. Pañcamī runs from 11:39 on Sat 10 Feb to 13:56 on Sun 11 Feb 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/giza/festivals/2046/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": "/giza/festivals/2046/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32843, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2046-02-12T15:45:14+02:00", "utc": "2046-02-12T13:45:14Z", "ms": 2402055913616.6763 }, "end": { "local": "2046-02-13T16:59:11+02:00", "utc": "2046-02-13T14:59:11Z", "ms": 2402146751324.5186 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-12T15:45:14+02:00", "utc": "2046-02-12T13:45:14Z", "ms": 2402055913616.6763 }, "end": { "local": "2046-02-13T16:59:11+02:00", "utc": "2046-02-13T14:59:11Z", "ms": 2402146751324.5186 } }, "kaala": "arunodaya", "days": [ { "local_date": "2046-02-12", "window": { "start": { "local": "2046-02-12T04:54:11+02:00", "utc": "2046-02-12T02:54:11Z", "ms": 2402016851393.2974 }, "end": { "local": "2046-02-12T06:37:51+02:00", "utc": "2046-02-12T04:37:51Z", "ms": 2402023070809.233 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2046-02-13", "window": { "start": { "local": "2046-02-13T04:53:34+02:00", "utc": "2046-02-13T02:53:34Z", "ms": 2402103214334.8047 }, "end": { "local": "2046-02-13T06:37:01+02:00", "utc": "2046-02-13T04:37:01Z", "ms": 2402109420607.8203 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 15:45 on Mon 12 Feb to 16:59 on Tue 13 Feb.", "fact": "2046-02-12T13:45:14Z → 2046-02-13T14:59:11Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:54–06:38 on the 12th, 04:54–06:37 on the 13th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 104 minutes on the 12th and 103 of 103 on the 13th.", "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 32843 s" }, { "step": "ruling", "text": "Ratha Saptamī, Giza, 2046: Tuesday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-13", "confidence": "determinate" } ], "quote": "In Giza, Ratha Saptamī 2046 falls on Tuesday 13 February. Saptamī runs from 15:45 on Mon 12 Feb to 16:59 on Tue 13 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-02-17", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28259, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-02-16T16:12:39+02:00", "utc": "2046-02-16T14:12:39Z", "ms": 2402403158847.019 }, "end": { "local": "2046-02-17T14:24:28+02:00", "utc": "2046-02-17T12:24:28Z", "ms": 2402483067638.5938 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-16T16:12:39+02:00", "utc": "2046-02-16T14:12:39Z", "ms": 2402403158847.019 }, "end": { "local": "2046-02-17T14:24:28+02:00", "utc": "2046-02-17T12:24:28Z", "ms": 2402483067638.5938 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-02-16", "window": { "start": { "local": "2046-02-16T06:34:23+02:00", "utc": "2046-02-16T04:34:23Z", "ms": 2402368463310.9565 }, "end": { "local": "2046-02-16T06:34:23+02:00", "utc": "2046-02-16T04:34:23Z", "ms": 2402368463310.9565 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-02-17", "window": { "start": { "local": "2046-02-17T06:33:29+02:00", "utc": "2046-02-17T04:33:29Z", "ms": 2402454808742.4224 }, "end": { "local": "2046-02-17T06:33:29+02:00", "utc": "2046-02-17T04:33:29Z", "ms": 2402454808742.4224 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:13 on Fri 16 Feb to 14:24 on Sat 17 Feb.", "fact": "2046-02-16T14:12:39Z → 2046-02-17T12:24:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 16th and 06:33 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28259 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Giza, 2046: Saturday 17 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-17", "confidence": "determinate" } ], "quote": "In Giza, Jayā Ekādaśī 2046 falls on Saturday 17 February. Ekādaśī runs from 16:13 on Fri 16 Feb to 14:24 on Sat 17 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-02-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 633, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2046-02-17T14:24:28+02:00", "utc": "2046-02-17T12:24:28Z", "ms": 2402483067638.5938 }, "end": { "local": "2046-02-18T11:55:48+02:00", "utc": "2046-02-18T09:55:48Z", "ms": 2402560547548.1475 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-17T14:24:28+02:00", "utc": "2046-02-17T12:24:28Z", "ms": 2402483067638.5938 }, "end": { "local": "2046-02-18T11:55:48+02:00", "utc": "2046-02-18T09:55:48Z", "ms": 2402560547548.1475 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-02-17", "window": { "start": { "local": "2046-02-17T11:45:19+02:00", "utc": "2046-02-17T09:45:19Z", "ms": 2402473519158.7314 }, "end": { "local": "2046-02-17T12:33:19+02:00", "utc": "2046-02-17T10:33:19Z", "ms": 2402476399158.7314 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-02-18", "window": { "start": { "local": "2046-02-18T11:45:14+02:00", "utc": "2046-02-18T09:45:14Z", "ms": 2402559914368.44 }, "end": { "local": "2046-02-18T12:33:14+02:00", "utc": "2046-02-18T10:33:14Z", "ms": 2402562794368.44 } }, "covered_min": 11, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:24 on Sat 17 Feb to 11:56 on Sun 18 Feb.", "fact": "2046-02-17T12:24:28Z → 2046-02-18T09:55:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 17th, 11:45–12:33 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 11 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 633 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Giza, 2046: Sunday 18 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-18", "confidence": "determinate" } ], "quote": "In Giza, Bhīṣma Dvādaśī 2046 falls on Sunday 18 February. Dvādaśī runs from 14:24 on Sat 17 Feb to 11:56 on Sun 18 Feb and covers 11 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/pradosha-vrata?on=2046-02-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21008, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-02-18T11:55:48+02:00", "utc": "2046-02-18T09:55:48Z", "ms": 2402560547548.1475 }, "end": { "local": "2046-02-19T08:53:41+02:00", "utc": "2046-02-19T06:53:41Z", "ms": 2402636020756.307 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-18T11:55:48+02:00", "utc": "2046-02-18T09:55:48Z", "ms": 2402560547548.1475 }, "end": { "local": "2046-02-19T08:53:41+02:00", "utc": "2046-02-19T06:53:41Z", "ms": 2402636020756.307 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-02-18", "window": { "start": { "local": "2046-02-18T17:45:56+02:00", "utc": "2046-02-18T15:45:56Z", "ms": 2402581555581.8486 }, "end": { "local": "2046-02-18T19:28:01+02:00", "utc": "2046-02-18T17:28:01Z", "ms": 2402587681048.197 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "2046-02-19", "window": { "start": { "local": "2046-02-19T17:46:41+02:00", "utc": "2046-02-19T15:46:41Z", "ms": 2402668001190.397 }, "end": { "local": "2046-02-19T19:28:33+02:00", "utc": "2046-02-19T17:28:33Z", "ms": 2402674112904.6074 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:56 on Sun 18 Feb to 08:54 on Mon 19 Feb.", "fact": "2046-02-18T09:55:48Z → 2046-02-19T06:53:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:28 on the 18th, 17:47–19:29 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 18th and 0 of 102 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 21008 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Sunday 18 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-18", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Sunday 18 February. Trayodaśī runs from 11:56 on Sun 18 Feb to 08:54 on Mon 19 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22702, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-02-20T05:26:41+02:00", "utc": "2046-02-20T03:26:41Z", "ms": 2402710001096.621 }, "end": { "local": "2046-02-21T01:44:23+02:00", "utc": "2046-02-20T23:44:23Z", "ms": 2402783063082.1797 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2046-02-20T05:26:41+02:00", "utc": "2046-02-20T03:26:41Z", "ms": 2402710001096.621 }, "end": { "local": "2046-02-21T01:44:23+02:00", "utc": "2046-02-20T23:44:23Z", "ms": 2402783063082.1797 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-02-20", "window": { "start": { "local": "2046-02-20T11:45:03+02:00", "utc": "2046-02-20T09:45:03Z", "ms": 2402732702726.373 }, "end": { "local": "2046-02-20T12:33:03+02:00", "utc": "2046-02-20T10:33:03Z", "ms": 2402735582726.373 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-02-21", "window": { "start": { "local": "2046-02-21T11:44:56+02:00", "utc": "2046-02-21T09:44:56Z", "ms": 2402819095912.2515 }, "end": { "local": "2046-02-21T12:32:56+02:00", "utc": "2046-02-21T10:32:56Z", "ms": 2402821975912.2515 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:27 on Tue 20 Feb to 01:44 on Wed 21 Feb.", "fact": "2046-02-20T03:26:41Z → 2046-02-20T23:44:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 20th, 11:45–12:33 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22702 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Giza, 2046: Tuesday 20 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-20", "confidence": "determinate" } ], "quote": "In Giza, Māghī Pūrṇimā 2046 falls on Tuesday 20 February. Pūrṇimā runs from 05:27 on Tue 20 Feb to 01:44 on Wed 21 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-02-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21898, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-02-23T14:48:11+02:00", "utc": "2046-02-23T12:48:11Z", "ms": 2403002890769.0205 }, "end": { "local": "2046-02-24T11:46:58+02:00", "utc": "2046-02-24T09:46:58Z", "ms": 2403078417557.3 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2046-02-23T14:48:11+02:00", "utc": "2046-02-23T12:48:11Z", "ms": 2403002890769.0205 }, "end": { "local": "2046-02-24T11:46:58+02:00", "utc": "2046-02-24T09:46:58Z", "ms": 2403078417557.3 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-02-23", "window": { "start": { "local": "2046-02-23T20:53:09+02:00", "utc": "2046-02-23T18:53:09Z", "ms": 2403024788747.282 }, "end": { "local": "2046-02-23T20:53:09+02:00", "utc": "2046-02-23T18:53:09Z", "ms": 2403024788747.282 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-02-24", "window": { "start": { "local": "2046-02-24T22:01:34+02:00", "utc": "2046-02-24T20:01:34Z", "ms": 2403115294037.3643 }, "end": { "local": "2046-02-24T22:01:34+02:00", "utc": "2046-02-24T20:01:34Z", "ms": 2403115294037.3643 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:48 on Fri 23 Feb to 11:47 on Sat 24 Feb.", "fact": "2046-02-23T12:48:11Z → 2046-02-24T09:46:58Z" }, { "step": "kaala", "text": "Moonrise is at 20:53 on the 23rd and 22:02 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21898 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Friday 23 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-02-23", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Friday 23 February. Caturthī runs from 14:48 on Fri 23 Feb to 11:47 on Sat 24 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-02-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ekadashi?on=2046-03-03", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6905, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-03-02T08:15:23+02:00", "utc": "2046-03-02T06:15:23Z", "ms": 2403584123007.875 }, "end": { "local": "2046-03-03T10:06:35+02:00", "utc": "2046-03-03T08:06:35Z", "ms": 2403677194777.1323 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2046-03-02T08:15:23+02:00", "utc": "2046-03-02T06:15:23Z", "ms": 2403584123007.875 }, "end": { "local": "2046-03-03T10:06:35+02:00", "utc": "2046-03-03T08:06:35Z", "ms": 2403677194777.1323 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-03-02", "window": { "start": { "local": "2046-03-02T06:20:18+02:00", "utc": "2046-03-02T04:20:18Z", "ms": 2403577218042.084 }, "end": { "local": "2046-03-02T06:20:18+02:00", "utc": "2046-03-02T04:20:18Z", "ms": 2403577218042.084 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-03-03", "window": { "start": { "local": "2046-03-03T06:19:12+02:00", "utc": "2046-03-03T04:19:12Z", "ms": 2403663552045.2793 }, "end": { "local": "2046-03-03T06:19:12+02:00", "utc": "2046-03-03T04:19:12Z", "ms": 2403663552045.2793 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:15 on Fri 2 Mar to 10:07 on Sat 3 Mar.", "fact": "2046-03-02T06:15:23Z → 2046-03-03T08:06:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 2nd and 06:19 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6905 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Giza, 2046: Saturday 3 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-03", "confidence": "determinate" } ], "quote": "In Giza, Vijayā Ekādaśī 2046 falls on Saturday 3 March. Ekādaśī runs from 08:15 on Fri 2 Mar to 10:07 on Sat 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-03-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-03-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10869, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-03-04T12:23:04+02:00", "utc": "2046-03-04T10:23:04Z", "ms": 2403771784182.5483 }, "end": { "local": "2046-03-05T14:55:33+02:00", "utc": "2046-03-05T12:55:33Z", "ms": 2403867333279.991 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2046-03-04T12:23:04+02:00", "utc": "2046-03-04T10:23:04Z", "ms": 2403771784182.5483 }, "end": { "local": "2046-03-05T14:55:33+02:00", "utc": "2046-03-05T12:55:33Z", "ms": 2403867333279.991 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-03-04", "window": { "start": { "local": "2046-03-04T17:56:01+02:00", "utc": "2046-03-04T15:56:01Z", "ms": 2403791761128.7417 }, "end": { "local": "2046-03-04T19:34:49+02:00", "utc": "2046-03-04T17:34:49Z", "ms": 2403797688751.6406 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2046-03-05", "window": { "start": { "local": "2046-03-05T17:56:42+02:00", "utc": "2046-03-05T15:56:42Z", "ms": 2403878201890.2466 }, "end": { "local": "2046-03-05T19:35:15+02:00", "utc": "2046-03-05T17:35:15Z", "ms": 2403884115052.5254 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:23 on Sun 4 Mar to 14:56 on Mon 5 Mar.", "fact": "2046-03-04T10:23:04Z → 2046-03-05T12:55:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:35 on the 4th, 17:57–19:35 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 4th and 0 of 99 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10869 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Sunday 4 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": "2046-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-04", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Sunday 4 March. Trayodaśī runs from 12:23 on Sun 4 Mar to 14:56 on Mon 5 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21995, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-03-05T14:55:33+02:00", "utc": "2046-03-05T12:55:33Z", "ms": 2403867333279.991 }, "end": { "local": "2046-03-06T17:35:27+02:00", "utc": "2046-03-06T15:35:27Z", "ms": 2403963327334.3145 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2046-03-05T14:55:33+02:00", "utc": "2046-03-05T12:55:33Z", "ms": 2403867333279.991 }, "end": { "local": "2046-03-06T17:35:27+02:00", "utc": "2046-03-06T15:35:27Z", "ms": 2403963327334.3145 } }, "kaala": "nishita", "days": [ { "local_date": "2046-03-05", "window": { "start": { "local": "2046-03-05T23:42:16+02:00", "utc": "2046-03-05T21:42:16Z", "ms": 2403898936248.793 }, "end": { "local": "2046-03-06T00:30:16+02:00", "utc": "2046-03-05T22:30:16Z", "ms": 2403901816248.793 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-03-06", "window": { "start": { "local": "2046-03-06T23:42:02+02:00", "utc": "2046-03-06T21:42:02Z", "ms": 2403985322376.1357 }, "end": { "local": "2046-03-07T00:30:02+02:00", "utc": "2046-03-06T22:30:02Z", "ms": 2403988202376.1357 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:56 on Mon 5 Mar to 17:35 on Tue 6 Mar.", "fact": "2046-03-05T12:55:33Z → 2046-03-06T15:35:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 5th, 23:42–00:30 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 21995 s" }, { "step": "ruling", "text": "Mahāśivarātri, Giza, 2046: Monday 5 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": "2046-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-05", "confidence": "determinate" } ], "quote": "In Giza, Mahāśivarātri 2046 falls on Monday 5 March. Caturdaśī runs from 14:56 on Mon 5 Mar to 17:35 on Tue 6 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-03-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23799, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-03-11T03:18:54+02:00", "utc": "2046-03-11T01:18:54Z", "ms": 2404343934300.5225 }, "end": { "local": "2046-03-12T05:04:28+02:00", "utc": "2046-03-12T03:04:28Z", "ms": 2404436668285.7095 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2046-03-11T03:18:54+02:00", "utc": "2046-03-11T01:18:54Z", "ms": 2404343934300.5225 }, "end": { "local": "2046-03-12T05:04:28+02:00", "utc": "2046-03-12T03:04:28Z", "ms": 2404436668285.7095 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-03-11", "window": { "start": { "local": "2046-03-11T11:41:23+02:00", "utc": "2046-03-11T09:41:23Z", "ms": 2404374082672.007 }, "end": { "local": "2046-03-11T12:29:23+02:00", "utc": "2046-03-11T10:29:23Z", "ms": 2404376962672.007 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-03-12", "window": { "start": { "local": "2046-03-12T11:41:07+02:00", "utc": "2046-03-12T09:41:07Z", "ms": 2404460466886.1367 }, "end": { "local": "2046-03-12T12:29:07+02:00", "utc": "2046-03-12T10:29:07Z", "ms": 2404463346886.1367 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:19 on Sun 11 Mar to 05:04 on Mon 12 Mar.", "fact": "2046-03-11T01:18:54Z → 2046-03-12T03:04:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 11th, 11:41–12:29 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23799 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Sunday 11 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": "2046-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-11", "confidence": "determinate" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Sunday 11 March. Caturthī runs from 03:19 on Sun 11 Mar to 05:04 on Mon 12 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ekadashi?on=2046-03-18", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7806, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-03-18T03:51:40+02:00", "utc": "2046-03-18T01:51:40Z", "ms": 2404950700444.3867 }, "end": { "local": "2046-03-19T01:22:49+02:00", "utc": "2046-03-18T23:22:49Z", "ms": 2405028169473.3213 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2046-03-18T03:51:40+02:00", "utc": "2046-03-18T01:51:40Z", "ms": 2404950700444.3867 }, "end": { "local": "2046-03-19T01:22:49+02:00", "utc": "2046-03-18T23:22:49Z", "ms": 2405028169473.3213 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-03-18", "window": { "start": { "local": "2046-03-18T06:01:46+02:00", "utc": "2046-03-18T04:01:46Z", "ms": 2404958506137.757 }, "end": { "local": "2046-03-18T06:01:46+02:00", "utc": "2046-03-18T04:01:46Z", "ms": 2404958506137.757 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-03-19", "window": { "start": { "local": "2046-03-19T06:00:34+02:00", "utc": "2046-03-19T04:00:34Z", "ms": 2405044833914.658 }, "end": { "local": "2046-03-19T06:00:34+02:00", "utc": "2046-03-19T04:00:34Z", "ms": 2405044833914.658 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:52 on Sun 18 Mar to 01:23 on Mon 19 Mar.", "fact": "2046-03-18T01:51:40Z → 2046-03-18T23:22:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 18th and 06:01 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 7806 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Giza, 2046: Sunday 18 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-18", "confidence": "determinate" } ], "quote": "In Giza, Āmalakī Ekādaśī 2046 falls on Sunday 18 March. Ekādaśī runs from 03:52 on Sun 18 Mar to 01:23 on Mon 19 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-03-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2712, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-03-19T22:21:49+02:00", "utc": "2046-03-19T20:21:49Z", "ms": 2405103709411.844 }, "end": { "local": "2046-03-20T18:56:04+02:00", "utc": "2046-03-20T16:56:04Z", "ms": 2405177763951.1606 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2046-03-19T22:21:49+02:00", "utc": "2046-03-19T20:21:49Z", "ms": 2405103709411.844 }, "end": { "local": "2046-03-20T18:56:04+02:00", "utc": "2046-03-20T16:56:04Z", "ms": 2405177763951.1606 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-03-19", "window": { "start": { "local": "2046-03-19T18:05:44+02:00", "utc": "2046-03-19T16:05:44Z", "ms": 2405088344132.2104 }, "end": { "local": "2046-03-19T19:40:53+02:00", "utc": "2046-03-19T17:40:53Z", "ms": 2405094053119.892 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2046-03-20", "window": { "start": { "local": "2046-03-20T18:06:21+02:00", "utc": "2046-03-20T16:06:21Z", "ms": 2405174781211.942 }, "end": { "local": "2046-03-20T19:41:16+02:00", "utc": "2046-03-20T17:41:16Z", "ms": 2405180475589.494 } }, "covered_min": 50, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:22 on Mon 19 Mar to 18:56 on Tue 20 Mar.", "fact": "2046-03-19T20:21:49Z → 2046-03-20T16:56:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:41 on the 19th, 18:06–19:41 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 19th and 50 of 95 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2712 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Tuesday 20 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-20", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Tuesday 20 March. Trayodaśī runs from 22:22 on Mon 19 Mar to 18:56 on Tue 20 Mar and covers 50 of 95 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1604, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-03-21T15:14:28+02:00", "utc": "2046-03-21T13:14:28Z", "ms": 2405250867931.035 }, "end": { "local": "2046-03-22T11:27:02+02:00", "utc": "2046-03-22T09:27:02Z", "ms": 2405323622435.81 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2046-03-21T15:14:28+02:00", "utc": "2046-03-21T13:14:28Z", "ms": 2405250867931.035 }, "end": { "local": "2046-03-22T11:27:02+02:00", "utc": "2046-03-22T09:27:02Z", "ms": 2405323622435.81 } }, "kaala": "sayahna", "days": [ { "local_date": "2046-03-21", "window": { "start": { "local": "2046-03-21T15:41:12+02:00", "utc": "2046-03-21T13:41:12Z", "ms": 2405252472323.2676 }, "end": { "local": "2046-03-21T18:06:58+02:00", "utc": "2046-03-21T16:06:58Z", "ms": 2405261218143.189 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2046-03-22", "window": { "start": { "local": "2046-03-22T15:41:27+02:00", "utc": "2046-03-22T13:41:27Z", "ms": 2405338887247.4937 }, "end": { "local": "2046-03-22T18:07:35+02:00", "utc": "2046-03-22T16:07:35Z", "ms": 2405347654945.1934 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:14 on Wed 21 Mar to 11:27 on Thu 22 Mar.", "fact": "2046-03-21T13:14:28Z → 2046-03-22T09:27:02Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:41–18:07 on the 21st, 15:41–18:08 on the 22nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 146 of 146 minutes on the 21st and 0 of 146 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1604 s" }, { "step": "ruling", "text": "Holikā Dahana, Giza, 2046: Wednesday 21 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": "2046-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-21", "confidence": "determinate" } ], "quote": "In Giza, Holikā Dahana 2046 falls on Wednesday 21 March. Pūrṇimā runs from 15:14 on Wed 21 Mar to 11:27 on Thu 22 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1604, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-03-21T15:14:28+02:00", "utc": "2046-03-21T13:14:28Z", "ms": 2405250867931.035 }, "end": { "local": "2046-03-22T11:27:02+02:00", "utc": "2046-03-22T09:27:02Z", "ms": 2405323622435.81 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2046-03-21T15:14:28+02:00", "utc": "2046-03-21T13:14:28Z", "ms": 2405250867931.035 }, "end": { "local": "2046-03-22T11:27:02+02:00", "utc": "2046-03-22T09:27:02Z", "ms": 2405323622435.81 } }, "kaala": "sayahna", "days": [ { "local_date": "2046-03-21", "window": { "start": { "local": "2046-03-21T15:41:12+02:00", "utc": "2046-03-21T13:41:12Z", "ms": 2405252472323.2676 }, "end": { "local": "2046-03-21T18:06:58+02:00", "utc": "2046-03-21T16:06:58Z", "ms": 2405261218143.189 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2046-03-22", "window": { "start": { "local": "2046-03-22T15:41:27+02:00", "utc": "2046-03-22T13:41:27Z", "ms": 2405338887247.4937 }, "end": { "local": "2046-03-22T18:07:35+02:00", "utc": "2046-03-22T16:07:35Z", "ms": 2405347654945.1934 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2046-03-21", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:14 on Wed 21 Mar to 11:27 on Thu 22 Mar.", "fact": "2046-03-21T13:14:28Z → 2046-03-22T09:27:02Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:41–18:07 on the 21st, 15:41–18:08 on the 22nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 146 of 146 minutes on the 21st and 0 of 146 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1604 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Wednesday 21 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Giza, 2046: Thursday 22 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": "2046-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-22", "confidence": "determinate" } ], "quote": "In Giza, Holī 2046 falls on Thursday 22 March. It is kept the day after Holikā Dahana, which falls on Wednesday 21 March. Pūrṇimā runs from 15:14 on Wed 21 Mar to 11:27 on Thu 22 Mar and covers all of sāyāhna on the 21st.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6527, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2046-03-22T11:27:02+02:00", "utc": "2046-03-22T09:27:02Z", "ms": 2405323622435.81 }, "end": { "local": "2046-03-23T07:44:31+02:00", "utc": "2046-03-23T05:44:31Z", "ms": 2405396670779.2397 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-03-22T11:27:02+02:00", "utc": "2046-03-22T09:27:02Z", "ms": 2405323622435.81 }, "end": { "local": "2046-03-23T07:44:31+02:00", "utc": "2046-03-23T05:44:31Z", "ms": 2405396670779.2397 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-03-22", "window": { "start": { "local": "2046-03-22T05:56:56+02:00", "utc": "2046-03-22T03:56:56Z", "ms": 2405303816456.6953 }, "end": { "local": "2046-03-22T05:56:56+02:00", "utc": "2046-03-22T03:56:56Z", "ms": 2405303816456.6953 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-03-23", "window": { "start": { "local": "2046-03-23T05:55:44+02:00", "utc": "2046-03-23T03:55:44Z", "ms": 2405390143810.1875 }, "end": { "local": "2046-03-23T05:55:44+02:00", "utc": "2046-03-23T03:55:44Z", "ms": 2405390143810.1875 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:27 on Thu 22 Mar to 07:45 on Fri 23 Mar.", "fact": "2046-03-22T09:27:02Z → 2046-03-23T05:44:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 22nd and 05:56 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6527 s" }, { "step": "ruling", "text": "Vasantotsava, Giza, 2046: Friday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-23", "confidence": "determinate" } ], "quote": "In Giza, Vasantotsava 2046 falls on Friday 23 March. Pratipadā runs from 11:27 on Thu 22 Mar to 07:45 on Fri 23 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-03-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3432, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-03-25T01:18:00+02:00", "utc": "2046-03-24T23:18:00Z", "ms": 2405546280341.329 }, "end": { "local": "2046-03-25T22:54:51+02:00", "utc": "2046-03-25T20:54:51Z", "ms": 2405624090587.927 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-03-25T01:18:00+02:00", "utc": "2046-03-24T23:18:00Z", "ms": 2405546280341.329 }, "end": { "local": "2046-03-25T22:54:51+02:00", "utc": "2046-03-25T20:54:51Z", "ms": 2405624090587.927 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-03-24", "window": { "start": { "local": "2046-03-24T20:48:11+02:00", "utc": "2046-03-24T18:48:11Z", "ms": 2405530091060.528 }, "end": { "local": "2046-03-24T20:48:11+02:00", "utc": "2046-03-24T18:48:11Z", "ms": 2405530091060.528 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-03-25", "window": { "start": { "local": "2046-03-25T21:57:38+02:00", "utc": "2046-03-25T19:57:38Z", "ms": 2405620658495.501 }, "end": { "local": "2046-03-25T21:57:38+02:00", "utc": "2046-03-25T19:57:38Z", "ms": 2405620658495.501 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:18 on Sun 25 Mar to 22:55 on Sun 25 Mar.", "fact": "2046-03-24T23:18:00Z → 2046-03-25T20:54:51Z" }, { "step": "kaala", "text": "Moonrise is at 20:48 on the 24th and 21:58 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3432 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Sunday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-25", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Sunday 25 March. Caturthī runs from 01:18 on Sun 25 Mar to 22:55 on Sun 25 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-03-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29445, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2046-03-28T20:35:13+02:00", "utc": "2046-03-28T18:35:13Z", "ms": 2405874912726.6245 }, "end": { "local": "2046-03-29T21:31:30+02:00", "utc": "2046-03-29T19:31:30Z", "ms": 2405964690473.3076 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-03-28T20:35:13+02:00", "utc": "2046-03-28T18:35:13Z", "ms": 2405874912726.6245 }, "end": { "local": "2046-03-29T21:31:30+02:00", "utc": "2046-03-29T19:31:30Z", "ms": 2405964690473.3076 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-03-28", "window": { "start": { "local": "2046-03-28T11:36:27+02:00", "utc": "2046-03-28T09:36:27Z", "ms": 2405842587418.9033 }, "end": { "local": "2046-03-28T12:24:27+02:00", "utc": "2046-03-28T10:24:27Z", "ms": 2405845467418.9033 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-03-29", "window": { "start": { "local": "2046-03-29T11:36:09+02:00", "utc": "2046-03-29T09:36:09Z", "ms": 2405928969430.284 }, "end": { "local": "2046-03-29T12:24:09+02:00", "utc": "2046-03-29T10:24:09Z", "ms": 2405931849430.284 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:35 on Wed 28 Mar to 21:32 on Thu 29 Mar.", "fact": "2046-03-28T18:35:13Z → 2046-03-29T19:31:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 28th, 11:36–12:24 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29445 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Giza, 2046: Thursday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-03-29", "confidence": "determinate" } ], "quote": "In Giza, Śītalāṣṭamī 2046 falls on Thursday 29 March. Aṣṭamī runs from 20:35 on Wed 28 Mar to 21:32 on Thu 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-04-01", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6317, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-04-01T01:24:46+02:00", "utc": "2046-03-31T23:24:46Z", "ms": 2406151486314.4966 }, "end": { "local": "2046-04-02T03:58:24+02:00", "utc": "2046-04-02T01:58:24Z", "ms": 2406247103958.6035 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-01T01:24:46+02:00", "utc": "2046-03-31T23:24:46Z", "ms": 2406151486314.4966 }, "end": { "local": "2046-04-02T03:58:24+02:00", "utc": "2046-04-02T01:58:24Z", "ms": 2406247103958.6035 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-04-01", "window": { "start": { "local": "2046-04-01T05:44:52+02:00", "utc": "2046-04-01T03:44:52Z", "ms": 2406167092338.7583 }, "end": { "local": "2046-04-01T05:44:52+02:00", "utc": "2046-04-01T03:44:52Z", "ms": 2406167092338.7583 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-04-02", "window": { "start": { "local": "2046-04-02T05:43:41+02:00", "utc": "2046-04-02T03:43:41Z", "ms": 2406253420745.6196 }, "end": { "local": "2046-04-02T05:43:41+02:00", "utc": "2046-04-02T03:43:41Z", "ms": 2406253420745.6196 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:25 on Sun 1 Apr to 03:58 on Mon 2 Apr.", "fact": "2046-03-31T23:24:46Z → 2046-04-02T01:58:24Z" }, { "step": "kaala", "text": "Sunrise is at 05:45 on the 1st and 05:44 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6317 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Giza, 2046: Sunday 1 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": "2046-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-01", "confidence": "determinate" } ], "quote": "In Giza, Pāpamocanī Ekādaśī 2046 falls on Sunday 1 April. Ekādaśī runs from 01:25 on Sun 1 Apr to 03:58 on Mon 2 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-04-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-04-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32287, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-04-03T06:39:38+02:00", "utc": "2046-04-03T04:39:38Z", "ms": 2406343178012.567 }, "end": { "local": "2046-04-04T09:17:22+02:00", "utc": "2046-04-04T07:17:22Z", "ms": 2406439042018.374 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-03T06:39:38+02:00", "utc": "2046-04-03T04:39:38Z", "ms": 2406343178012.567 }, "end": { "local": "2046-04-04T09:17:22+02:00", "utc": "2046-04-04T07:17:22Z", "ms": 2406439042018.374 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-04-03", "window": { "start": { "local": "2046-04-03T18:14:52+02:00", "utc": "2046-04-03T16:14:52Z", "ms": 2406384892447.031 }, "end": { "local": "2046-04-03T19:46:24+02:00", "utc": "2046-04-03T17:46:24Z", "ms": 2406390383902.442 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2046-04-04", "window": { "start": { "local": "2046-04-04T18:15:29+02:00", "utc": "2046-04-04T16:15:29Z", "ms": 2406471328919.426 }, "end": { "local": "2046-04-04T19:46:46+02:00", "utc": "2046-04-04T17:46:46Z", "ms": 2406476806080.1157 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:40 on Tue 3 Apr to 09:17 on Wed 4 Apr.", "fact": "2046-04-03T04:39:38Z → 2046-04-04T07:17:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:46 on the 3rd, 18:15–19:47 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 92 of 92 minutes on the 3rd and 0 of 91 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 32287 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Tuesday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-03", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Tuesday 3 April. Trayodaśī runs from 06:40 on Tue 3 Apr to 09:17 on Wed 4 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-04-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-04-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32117, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-04-04T09:17:22+02:00", "utc": "2046-04-04T07:17:22Z", "ms": 2406439042018.374 }, "end": { "local": "2046-04-05T11:43:14+02:00", "utc": "2046-04-05T09:43:14Z", "ms": 2406534194073.682 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-04T09:17:22+02:00", "utc": "2046-04-04T07:17:22Z", "ms": 2406439042018.374 }, "end": { "local": "2046-04-05T11:43:14+02:00", "utc": "2046-04-05T09:43:14Z", "ms": 2406534194073.682 } }, "kaala": "nishita", "days": [ { "local_date": "2046-04-03", "window": { "start": { "local": "2046-04-03T23:34:05+02:00", "utc": "2046-04-03T21:34:05Z", "ms": 2406404045404.822 }, "end": { "local": "2046-04-04T00:22:05+02:00", "utc": "2046-04-03T22:22:05Z", "ms": 2406406925404.822 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-04-04", "window": { "start": { "local": "2046-04-04T23:33:48+02:00", "utc": "2046-04-04T21:33:48Z", "ms": 2406490428272.013 }, "end": { "local": "2046-04-05T00:21:48+02:00", "utc": "2046-04-04T22:21:48Z", "ms": 2406493308272.013 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:17 on Wed 4 Apr to 11:43 on Thu 5 Apr.", "fact": "2046-04-04T07:17:22Z → 2046-04-05T09:43:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:34–00:22 on the 3rd, 23:34–00:22 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32117 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Wednesday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-04", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Wednesday 4 April. Caturdaśī runs from 09:17 on Wed 4 Apr to 11:43 on Thu 5 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5396, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2046-04-06T13:51:46+02:00", "utc": "2046-04-06T11:51:46Z", "ms": 2406628306045.526 }, "end": { "local": "2046-04-07T15:39:51+02:00", "utc": "2046-04-07T13:39:51Z", "ms": 2406721191364.689 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-06T13:51:46+02:00", "utc": "2046-04-06T11:51:46Z", "ms": 2406628306045.526 }, "end": { "local": "2046-04-07T15:39:51+02:00", "utc": "2046-04-07T13:39:51Z", "ms": 2406721191364.689 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-06", "window": { "start": { "local": "2046-04-06T11:33:50+02:00", "utc": "2046-04-06T09:33:50Z", "ms": 2406620029607.991 }, "end": { "local": "2046-04-06T12:21:50+02:00", "utc": "2046-04-06T10:21:50Z", "ms": 2406622909607.991 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-04-07", "window": { "start": { "local": "2046-04-07T11:33:33+02:00", "utc": "2046-04-07T09:33:33Z", "ms": 2406706412893.8413 }, "end": { "local": "2046-04-07T12:21:33+02:00", "utc": "2046-04-07T10:21:33Z", "ms": 2406709292893.8413 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:52 on Fri 6 Apr to 15:40 on Sat 7 Apr.", "fact": "2046-04-06T11:51:46Z → 2046-04-07T13:39:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 6th, 11:34–12:22 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5396 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Giza, 2046: Saturday 7 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-07", "confidence": "determinate" } ], "quote": "In Giza, Navarātrārambha (Caitra) (Chaitra Navratri) 2046 falls on Saturday 7 April. Pratipadā runs from 13:52 on Fri 6 Apr to 15:40 on Sat 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17075, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2046-04-08T17:05:52+02:00", "utc": "2046-04-08T15:05:52Z", "ms": 2406812751647.448 }, "end": { "local": "2046-04-09T18:08:42+02:00", "utc": "2046-04-09T16:08:42Z", "ms": 2406902921605.9077 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-08T17:05:52+02:00", "utc": "2046-04-08T15:05:52Z", "ms": 2406812751647.448 }, "end": { "local": "2046-04-09T18:08:42+02:00", "utc": "2046-04-09T16:08:42Z", "ms": 2406902921605.9077 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-08", "window": { "start": { "local": "2046-04-08T11:33:16+02:00", "utc": "2046-04-08T09:33:16Z", "ms": 2406792796400.922 }, "end": { "local": "2046-04-08T12:21:16+02:00", "utc": "2046-04-08T10:21:16Z", "ms": 2406795676400.922 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-04-09", "window": { "start": { "local": "2046-04-09T11:33:00+02:00", "utc": "2046-04-09T09:33:00Z", "ms": 2406879180143.4854 }, "end": { "local": "2046-04-09T12:21:00+02:00", "utc": "2046-04-09T10:21:00Z", "ms": 2406882060143.4854 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:06 on Sun 8 Apr to 18:09 on Mon 9 Apr.", "fact": "2046-04-08T15:05:52Z → 2046-04-09T16:08:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 8th, 11:33–12:21 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17075 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Giza, 2046: Monday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-09", "confidence": "determinate" } ], "quote": "In Giza, Gaurī Tṛtīyā (Gangaur) 2046 falls on Monday 9 April. Tṛtīyā runs from 17:06 on Sun 8 Apr to 18:09 on Mon 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17075, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2046-04-08T17:05:52+02:00", "utc": "2046-04-08T15:05:52Z", "ms": 2406812751647.448 }, "end": { "local": "2046-04-09T18:08:42+02:00", "utc": "2046-04-09T16:08:42Z", "ms": 2406902921605.9077 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-08T17:05:52+02:00", "utc": "2046-04-08T15:05:52Z", "ms": 2406812751647.448 }, "end": { "local": "2046-04-09T18:08:42+02:00", "utc": "2046-04-09T16:08:42Z", "ms": 2406902921605.9077 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-08", "window": { "start": { "local": "2046-04-08T11:33:16+02:00", "utc": "2046-04-08T09:33:16Z", "ms": 2406792796400.922 }, "end": { "local": "2046-04-08T12:21:16+02:00", "utc": "2046-04-08T10:21:16Z", "ms": 2406795676400.922 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-04-09", "window": { "start": { "local": "2046-04-09T11:33:00+02:00", "utc": "2046-04-09T09:33:00Z", "ms": 2406879180143.4854 }, "end": { "local": "2046-04-09T12:21:00+02:00", "utc": "2046-04-09T10:21:00Z", "ms": 2406882060143.4854 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:06 on Sun 8 Apr to 18:09 on Mon 9 Apr.", "fact": "2046-04-08T15:05:52Z → 2046-04-09T16:08:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 8th, 11:33–12:21 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17075 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Giza, 2046: Monday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-09", "confidence": "determinate" } ], "quote": "In Giza, Saubhāgya Śayana Vrata 2046 falls on Monday 9 April. Tṛtīyā runs from 17:06 on Sun 8 Apr to 18:09 on Mon 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-04-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20861, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-04-09T18:08:42+02:00", "utc": "2046-04-09T16:08:42Z", "ms": 2406902921605.9077 }, "end": { "local": "2046-04-10T18:47:07+02:00", "utc": "2046-04-10T16:47:07Z", "ms": 2406991626766.851 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-09T18:08:42+02:00", "utc": "2046-04-09T16:08:42Z", "ms": 2406902921605.9077 }, "end": { "local": "2046-04-10T18:47:07+02:00", "utc": "2046-04-10T16:47:07Z", "ms": 2406991626766.851 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-09", "window": { "start": { "local": "2046-04-09T11:33:00+02:00", "utc": "2046-04-09T09:33:00Z", "ms": 2406879180143.4854 }, "end": { "local": "2046-04-09T12:21:00+02:00", "utc": "2046-04-09T10:21:00Z", "ms": 2406882060143.4854 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-04-10", "window": { "start": { "local": "2046-04-10T11:32:44+02:00", "utc": "2046-04-10T09:32:44Z", "ms": 2406965564135.4966 }, "end": { "local": "2046-04-10T12:20:44+02:00", "utc": "2046-04-10T10:20:44Z", "ms": 2406968444135.4966 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:09 on Mon 9 Apr to 18:47 on Tue 10 Apr.", "fact": "2046-04-09T16:08:42Z → 2046-04-10T16:47:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 9th, 11:33–12:21 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20861 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Tuesday 10 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-10", "confidence": "determinate" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Tuesday 10 April. Caturthī runs from 18:09 on Mon 9 Apr to 18:47 on Tue 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23183, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2046-04-10T18:47:07+02:00", "utc": "2046-04-10T16:47:07Z", "ms": 2406991626766.851 }, "end": { "local": "2046-04-11T18:59:23+02:00", "utc": "2046-04-11T16:59:23Z", "ms": 2407078762877.871 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-10T18:47:07+02:00", "utc": "2046-04-10T16:47:07Z", "ms": 2406991626766.851 }, "end": { "local": "2046-04-11T18:59:23+02:00", "utc": "2046-04-11T16:59:23Z", "ms": 2407078762877.871 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-10", "window": { "start": { "local": "2046-04-10T11:32:44+02:00", "utc": "2046-04-10T09:32:44Z", "ms": 2406965564135.4966 }, "end": { "local": "2046-04-10T12:20:44+02:00", "utc": "2046-04-10T10:20:44Z", "ms": 2406968444135.4966 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-04-11", "window": { "start": { "local": "2046-04-11T11:32:28+02:00", "utc": "2046-04-11T09:32:28Z", "ms": 2407051948390.7363 }, "end": { "local": "2046-04-11T12:20:28+02:00", "utc": "2046-04-11T10:20:28Z", "ms": 2407054828390.7363 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:47 on Tue 10 Apr to 18:59 on Wed 11 Apr.", "fact": "2046-04-10T16:47:07Z → 2046-04-11T16:59:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 10th, 11:32–12:20 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23183 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Giza, 2046: Wednesday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-11", "confidence": "determinate" } ], "quote": "In Giza, Lakṣmī Pañcamī 2046 falls on Wednesday 11 April. Pañcamī runs from 18:47 on Tue 10 Apr to 18:59 on Wed 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12185, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2046-04-14T08:52:54+02:00", "utc": "2046-04-14T06:52:54Z", "ms": 2407301574142.6895 }, "end": { "local": "2046-05-15T06:38:49+03:00", "utc": "2046-05-15T03:38:49Z", "ms": 2409968328705.596 } }, "span": { "of": "transit", "start": { "local": "2046-04-14T08:52:54+02:00", "utc": "2046-04-14T06:52:54Z", "ms": 2407301574142.6895 }, "end": { "local": "2046-04-14T08:52:54+02:00", "utc": "2046-04-14T06:52:54Z", "ms": 2407301574142.6895 } }, "kaala": "day", "days": [ { "local_date": "2046-04-13", "window": { "start": { "local": "2046-04-13T05:30:56+02:00", "utc": "2046-04-13T03:30:56Z", "ms": 2407203055912.259 }, "end": { "local": "2046-04-14T05:29:49+02:00", "utc": "2046-04-14T03:29:49Z", "ms": 2407289389093.2954 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "2046-04-14", "window": { "start": { "local": "2046-04-14T05:29:49+02:00", "utc": "2046-04-14T03:29:49Z", "ms": 2407289389093.2954 }, "end": { "local": "2046-04-15T05:28:43+02:00", "utc": "2046-04-15T03:28:43Z", "ms": 2407375722834.976 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 08:53 on Sat 14 Apr.", "fact": "2046-04-14T06:52:54Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:31 on the 13th, and from 05:30 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 12185 s" }, { "step": "ruling", "text": "Vaiśākhī, Giza, 2046: Saturday 14 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2046-04-14", "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": "2046-04-14", "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 Giza, Vaiśākhī 2046 falls on Saturday 14 April. The Sun enters Meṣa at 08:53 on Sat 14 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15518, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2046-04-13T17:56:49+02:00", "utc": "2046-04-13T15:56:49Z", "ms": 2407247809314.55 }, "end": { "local": "2046-04-14T16:38:21+02:00", "utc": "2046-04-14T14:38:21Z", "ms": 2407329500793.246 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-13T17:56:49+02:00", "utc": "2046-04-13T15:56:49Z", "ms": 2407247809314.55 }, "end": { "local": "2046-04-14T16:38:21+02:00", "utc": "2046-04-14T14:38:21Z", "ms": 2407329500793.246 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-13", "window": { "start": { "local": "2046-04-13T11:31:58+02:00", "utc": "2046-04-13T09:31:58Z", "ms": 2407224717745.934 }, "end": { "local": "2046-04-13T12:19:58+02:00", "utc": "2046-04-13T10:19:58Z", "ms": 2407227597745.934 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-04-14", "window": { "start": { "local": "2046-04-14T11:31:43+02:00", "utc": "2046-04-14T09:31:43Z", "ms": 2407311102873.8457 }, "end": { "local": "2046-04-14T12:19:43+02:00", "utc": "2046-04-14T10:19:43Z", "ms": 2407313982873.8457 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:57 on Fri 13 Apr to 16:38 on Sat 14 Apr.", "fact": "2046-04-13T15:56:49Z → 2046-04-14T14:38:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 13th, 11:32–12:20 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15518 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Giza, 2046: Saturday 14 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-14", "confidence": "determinate" } ], "quote": "In Giza, Bhavānī Utpatti 2046 falls on Saturday 14 April. Aṣṭamī runs from 17:57 on Fri 13 Apr to 16:38 on Sat 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8897, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2046-04-14T16:38:21+02:00", "utc": "2046-04-14T14:38:21Z", "ms": 2407329500793.246 }, "end": { "local": "2046-04-15T14:47:45+02:00", "utc": "2046-04-15T12:47:45Z", "ms": 2407409264832.986 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-14T16:38:21+02:00", "utc": "2046-04-14T14:38:21Z", "ms": 2407329500793.246 }, "end": { "local": "2046-04-15T14:47:45+02:00", "utc": "2046-04-15T12:47:45Z", "ms": 2407409264832.986 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-14", "window": { "start": { "local": "2046-04-14T11:31:43+02:00", "utc": "2046-04-14T09:31:43Z", "ms": 2407311102873.8457 }, "end": { "local": "2046-04-14T12:19:43+02:00", "utc": "2046-04-14T10:19:43Z", "ms": 2407313982873.8457 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-04-15", "window": { "start": { "local": "2046-04-15T11:31:28+02:00", "utc": "2046-04-15T09:31:28Z", "ms": 2407397488321.2803 }, "end": { "local": "2046-04-15T12:19:28+02:00", "utc": "2046-04-15T10:19:28Z", "ms": 2407400368321.2803 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:38 on Sat 14 Apr to 14:48 on Sun 15 Apr.", "fact": "2046-04-14T14:38:21Z → 2046-04-15T12:47:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 14th, 11:31–12:19 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8897 s" }, { "step": "ruling", "text": "Rāma Navamī, Giza, 2046: Sunday 15 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-15", "confidence": "determinate" } ], "quote": "In Giza, Rāma Navamī 2046 falls on Sunday 15 April. Navamī runs from 16:38 on Sat 14 Apr to 14:48 on Sun 15 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-04-17", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15144, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-04-16T12:26:42+02:00", "utc": "2046-04-16T10:26:42Z", "ms": 2407487201748.4717 }, "end": { "local": "2046-04-17T09:38:56+02:00", "utc": "2046-04-17T07:38:56Z", "ms": 2407563536097.312 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-16T12:26:42+02:00", "utc": "2046-04-16T10:26:42Z", "ms": 2407487201748.4717 }, "end": { "local": "2046-04-17T09:38:56+02:00", "utc": "2046-04-17T07:38:56Z", "ms": 2407563536097.312 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-04-16", "window": { "start": { "local": "2046-04-16T05:27:37+02:00", "utc": "2046-04-16T03:27:37Z", "ms": 2407462057163.705 }, "end": { "local": "2046-04-16T05:27:37+02:00", "utc": "2046-04-16T03:27:37Z", "ms": 2407462057163.705 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-04-17", "window": { "start": { "local": "2046-04-17T05:26:32+02:00", "utc": "2046-04-17T03:26:32Z", "ms": 2407548392106.5264 }, "end": { "local": "2046-04-17T05:26:32+02:00", "utc": "2046-04-17T03:26:32Z", "ms": 2407548392106.5264 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:27 on Mon 16 Apr to 09:39 on Tue 17 Apr.", "fact": "2046-04-16T10:26:42Z → 2046-04-17T07:38:56Z" }, { "step": "kaala", "text": "Sunrise is at 05:28 on the 16th and 05:27 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15144 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Giza, 2046: Tuesday 17 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-17", "confidence": "determinate" } ], "quote": "In Giza, Kāmadā Ekādaśī 2046 falls on Tuesday 17 April. Ekādaśī runs from 12:27 on Mon 16 Apr to 09:39 on Tue 17 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18032, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-04-18T06:30:15+02:00", "utc": "2046-04-18T04:30:15Z", "ms": 2407638614672.857 }, "end": { "local": "2046-04-19T03:08:12+02:00", "utc": "2046-04-19T01:08:12Z", "ms": 2407712892287.316 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-18T06:30:15+02:00", "utc": "2046-04-18T04:30:15Z", "ms": 2407638614672.857 }, "end": { "local": "2046-04-19T03:08:12+02:00", "utc": "2046-04-19T01:08:12Z", "ms": 2407712892287.316 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-18", "window": { "start": { "local": "2046-04-18T11:30:47+02:00", "utc": "2046-04-18T09:30:47Z", "ms": 2407656646738.0986 }, "end": { "local": "2046-04-18T12:18:47+02:00", "utc": "2046-04-18T10:18:47Z", "ms": 2407659526738.0986 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-04-19", "window": { "start": { "local": "2046-04-19T11:30:34+02:00", "utc": "2046-04-19T09:30:34Z", "ms": 2407743033625.154 }, "end": { "local": "2046-04-19T12:18:34+02:00", "utc": "2046-04-19T10:18:34Z", "ms": 2407745913625.154 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:30 on Wed 18 Apr to 03:08 on Thu 19 Apr.", "fact": "2046-04-18T04:30:15Z → 2046-04-19T01:08:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 18th, 11:31–12:19 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18032 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Giza, 2046: Wednesday 18 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-18", "confidence": "determinate" } ], "quote": "In Giza, Anaṅga Trayodaśī 2046 falls on Wednesday 18 April. Trayodaśī runs from 06:30 on Wed 18 Apr to 03:08 on Thu 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/pradosha-vrata?on=2046-04-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26164, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-04-18T06:30:15+02:00", "utc": "2046-04-18T04:30:15Z", "ms": 2407638614672.857 }, "end": { "local": "2046-04-19T03:08:12+02:00", "utc": "2046-04-19T01:08:12Z", "ms": 2407712892287.316 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-18T06:30:15+02:00", "utc": "2046-04-18T04:30:15Z", "ms": 2407638614672.857 }, "end": { "local": "2046-04-19T03:08:12+02:00", "utc": "2046-04-19T01:08:12Z", "ms": 2407712892287.316 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-04-17", "window": { "start": { "local": "2046-04-17T18:23:28+02:00", "utc": "2046-04-17T16:23:28Z", "ms": 2407595008367.0903 }, "end": { "local": "2046-04-17T19:51:44+02:00", "utc": "2046-04-17T17:51:44Z", "ms": 2407600304276.9585 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2046-04-18", "window": { "start": { "local": "2046-04-18T18:24:06+02:00", "utc": "2046-04-18T16:24:06Z", "ms": 2407681445785.094 }, "end": { "local": "2046-04-18T19:52:08+02:00", "utc": "2046-04-18T17:52:08Z", "ms": 2407686728206.5 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:30 on Wed 18 Apr to 03:08 on Thu 19 Apr.", "fact": "2046-04-18T04:30:15Z → 2046-04-19T01:08:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:52 on the 17th, 18:24–19:52 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 17th and 88 of 88 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 26164 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Wednesday 18 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-18", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Wednesday 18 April. Trayodaśī runs from 06:30 on Wed 18 Apr to 03:08 on Thu 19 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30141, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-04-19T03:08:12+02:00", "utc": "2046-04-19T01:08:12Z", "ms": 2407712892287.316 }, "end": { "local": "2046-04-19T23:41:50+02:00", "utc": "2046-04-19T21:41:50Z", "ms": 2407786910302.4546 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-19T03:08:12+02:00", "utc": "2046-04-19T01:08:12Z", "ms": 2407712892287.316 }, "end": { "local": "2046-04-19T23:41:50+02:00", "utc": "2046-04-19T21:41:50Z", "ms": 2407786910302.4546 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-19", "window": { "start": { "local": "2046-04-19T11:30:34+02:00", "utc": "2046-04-19T09:30:34Z", "ms": 2407743033625.154 }, "end": { "local": "2046-04-19T12:18:34+02:00", "utc": "2046-04-19T10:18:34Z", "ms": 2407745913625.154 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-04-20", "window": { "start": { "local": "2046-04-20T11:30:21+02:00", "utc": "2046-04-20T09:30:21Z", "ms": 2407829420916.0576 }, "end": { "local": "2046-04-20T12:18:21+02:00", "utc": "2046-04-20T10:18:21Z", "ms": 2407832300916.0576 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:08 on Thu 19 Apr to 23:42 on Thu 19 Apr.", "fact": "2046-04-19T01:08:12Z → 2046-04-19T21:41:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 19th, 11:30–12:18 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30141 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Giza, 2046: Thursday 19 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-19", "confidence": "determinate" } ], "quote": "In Giza, Viṣṇudamanaka Caturdaśī 2046 falls on Thursday 19 April. Caturdaśī runs from 03:08 on Thu 19 Apr to 23:42 on Thu 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28970, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-04-19T23:41:50+02:00", "utc": "2046-04-19T21:41:50Z", "ms": 2407786910302.4546 }, "end": { "local": "2046-04-20T20:21:11+02:00", "utc": "2046-04-20T18:21:11Z", "ms": 2407861271279.0347 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2046-04-19T23:41:50+02:00", "utc": "2046-04-19T21:41:50Z", "ms": 2407786910302.4546 }, "end": { "local": "2046-04-20T20:21:11+02:00", "utc": "2046-04-20T18:21:11Z", "ms": 2407861271279.0347 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-04-19", "window": { "start": { "local": "2046-04-19T11:30:34+02:00", "utc": "2046-04-19T09:30:34Z", "ms": 2407743033625.154 }, "end": { "local": "2046-04-19T12:18:34+02:00", "utc": "2046-04-19T10:18:34Z", "ms": 2407745913625.154 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-04-20", "window": { "start": { "local": "2046-04-20T11:30:21+02:00", "utc": "2046-04-20T09:30:21Z", "ms": 2407829420916.0576 }, "end": { "local": "2046-04-20T12:18:21+02:00", "utc": "2046-04-20T10:18:21Z", "ms": 2407832300916.0576 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:42 on Thu 19 Apr to 20:21 on Fri 20 Apr.", "fact": "2046-04-19T21:41:50Z → 2046-04-20T18:21:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 19th, 11:30–12:18 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28970 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Giza, 2046: Friday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-20", "confidence": "determinate" } ], "quote": "In Giza, Caitrī Pūrṇimā 2046 falls on Friday 20 April. Pūrṇimā runs from 23:42 on Thu 19 Apr to 20:21 on Fri 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-04-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32995, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-04-23T12:38:34+02:00", "utc": "2046-04-23T10:38:34Z", "ms": 2408092713540.0356 }, "end": { "local": "2046-04-24T11:22:37+02:00", "utc": "2046-04-24T09:22:37Z", "ms": 2408174557341.0547 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-04-23T12:38:34+02:00", "utc": "2046-04-23T10:38:34Z", "ms": 2408092713540.0356 }, "end": { "local": "2046-04-24T11:22:37+02:00", "utc": "2046-04-24T09:22:37Z", "ms": 2408174557341.0547 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-04-23", "window": { "start": { "local": "2046-04-23T21:48:29+02:00", "utc": "2046-04-23T19:48:29Z", "ms": 2408125708900.466 }, "end": { "local": "2046-04-23T21:48:29+02:00", "utc": "2046-04-23T19:48:29Z", "ms": 2408125708900.466 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-04-24", "window": { "start": { "local": "2046-04-24T22:47:09+02:00", "utc": "2046-04-24T20:47:09Z", "ms": 2408215628732.0474 }, "end": { "local": "2046-04-24T22:47:09+02:00", "utc": "2046-04-24T20:47:09Z", "ms": 2408215628732.0474 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:39 on Mon 23 Apr to 11:23 on Tue 24 Apr.", "fact": "2046-04-23T10:38:34Z → 2046-04-24T09:22:37Z" }, { "step": "kaala", "text": "Moonrise is at 21:48 on the 23rd and 22:47 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32995 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Monday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-04-23", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Monday 23 April. Caturthī runs from 12:39 on Mon 23 Apr to 11:23 on Tue 24 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-04-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ekadashi?on=2046-05-01", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25729, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-04-30T20:29:25+03:00", "utc": "2046-04-30T17:29:25Z", "ms": 2408722165187.275 }, "end": { "local": "2046-05-01T23:03:01+03:00", "utc": "2046-05-01T20:03:01Z", "ms": 2408817780500.937 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-04-30T20:29:25+03:00", "utc": "2046-04-30T17:29:25Z", "ms": 2408722165187.275 }, "end": { "local": "2046-05-01T23:03:01+03:00", "utc": "2046-05-01T20:03:01Z", "ms": 2408817780500.937 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-05-01", "window": { "start": { "local": "2046-05-01T06:12:42+03:00", "utc": "2046-05-01T03:12:42Z", "ms": 2408757161612.576 }, "end": { "local": "2046-05-01T06:12:42+03:00", "utc": "2046-05-01T03:12:42Z", "ms": 2408757161612.576 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-05-02", "window": { "start": { "local": "2046-05-02T06:11:49+03:00", "utc": "2046-05-02T03:11:49Z", "ms": 2408843509113.979 }, "end": { "local": "2046-05-02T06:11:49+03:00", "utc": "2046-05-02T03:11:49Z", "ms": 2408843509113.979 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:29 on Mon 30 Apr to 23:03 on Tue 1 May.", "fact": "2046-04-30T17:29:25Z → 2046-05-01T20:03:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 1st and 06:12 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25729 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Giza, 2046: Tuesday 1 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": "2046-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-01", "confidence": "determinate" } ], "quote": "In Giza, Varūthinī Ekādaśī 2046 falls on Tuesday 1 May. Ekādaśī runs from 20:29 on Mon 30 Apr to 23:03 on Tue 1 May and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-05-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-05-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15895, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-05-03T01:23:00+03:00", "utc": "2046-05-02T22:23:00Z", "ms": 2408912580403.663 }, "end": { "local": "2046-05-04T03:21:01+03:00", "utc": "2046-05-04T00:21:01Z", "ms": 2409006061113.084 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-03T01:23:00+03:00", "utc": "2046-05-02T22:23:00Z", "ms": 2408912580403.663 }, "end": { "local": "2046-05-04T03:21:01+03:00", "utc": "2046-05-04T00:21:01Z", "ms": 2409006061113.084 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-05-02", "window": { "start": { "local": "2046-05-02T19:33:02+03:00", "utc": "2046-05-02T16:33:02Z", "ms": 2408891581762.6035 }, "end": { "local": "2046-05-02T20:58:05+03:00", "utc": "2046-05-02T17:58:05Z", "ms": 2408896685214.9062 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2046-05-03", "window": { "start": { "local": "2046-05-03T19:33:41+03:00", "utc": "2046-05-03T16:33:41Z", "ms": 2408978020802.912 }, "end": { "local": "2046-05-03T20:58:32+03:00", "utc": "2046-05-03T17:58:32Z", "ms": 2408983112330.011 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:23 on Thu 3 May to 03:21 on Fri 4 May.", "fact": "2046-05-02T22:23:00Z → 2046-05-04T00:21:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:33–20:58 on the 2nd, 19:34–20:59 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 2nd and 85 of 85 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15895 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Thursday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-03", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Thursday 3 May. Trayodaśī runs from 01:23 on Thu 3 May to 03:21 on Fri 4 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-05-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7507, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-05-04T03:21:01+03:00", "utc": "2046-05-04T00:21:01Z", "ms": 2409006061113.084 }, "end": { "local": "2046-05-05T04:52:31+03:00", "utc": "2046-05-05T01:52:31Z", "ms": 2409097950585.407 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-04T03:21:01+03:00", "utc": "2046-05-04T00:21:01Z", "ms": 2409006061113.084 }, "end": { "local": "2046-05-05T04:52:31+03:00", "utc": "2046-05-05T01:52:31Z", "ms": 2409097950585.407 } }, "kaala": "nishita", "days": [ { "local_date": "2046-05-03", "window": { "start": { "local": "2046-05-04T00:27:54+03:00", "utc": "2046-05-03T21:27:54Z", "ms": 2408995674029.5337 }, "end": { "local": "2046-05-04T01:15:54+03:00", "utc": "2046-05-03T22:15:54Z", "ms": 2408998554029.5337 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-05-04", "window": { "start": { "local": "2046-05-05T00:27:49+03:00", "utc": "2046-05-04T21:27:49Z", "ms": 2409082068915.5938 }, "end": { "local": "2046-05-05T01:15:49+03:00", "utc": "2046-05-04T22:15:49Z", "ms": 2409084948915.5938 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:21 on Fri 4 May to 04:53 on Sat 5 May.", "fact": "2046-05-04T00:21:01Z → 2046-05-05T01:52:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:28–01:16 on the 3rd, 00:28–01:16 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7507 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Friday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-04", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Friday 4 May. Caturdaśī runs from 03:21 on Fri 4 May to 04:53 on Sat 5 May and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34352, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2046-05-08T06:44:37+03:00", "utc": "2046-05-08T03:44:37Z", "ms": 2409363876702.0522 }, "end": { "local": "2046-05-09T06:33:23+03:00", "utc": "2046-05-09T03:33:23Z", "ms": 2409449602870.5347 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-08T06:44:37+03:00", "utc": "2046-05-08T03:44:37Z", "ms": 2409363876702.0522 }, "end": { "local": "2046-05-09T06:33:23+03:00", "utc": "2046-05-09T03:33:23Z", "ms": 2409449602870.5347 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-05-07", "window": { "start": { "local": "2046-05-07T19:36:17+03:00", "utc": "2046-05-07T16:36:17Z", "ms": 2409323777302.81 }, "end": { "local": "2046-05-07T21:00:23+03:00", "utc": "2046-05-07T18:00:23Z", "ms": 2409328822549.28 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2046-05-08", "window": { "start": { "local": "2046-05-08T19:36:56+03:00", "utc": "2046-05-08T16:36:56Z", "ms": 2409410216424.2637 }, "end": { "local": "2046-05-08T21:00:50+03:00", "utc": "2046-05-08T18:00:50Z", "ms": 2409415250479.282 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:45 on Tue 8 May to 06:33 on Wed 9 May.", "fact": "2046-05-08T03:44:37Z → 2046-05-09T03:33:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:36–21:00 on the 7th, 19:37–21:01 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 84 minutes on the 7th and 84 of 84 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34352 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Giza, 2046: Tuesday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-08", "confidence": "determinate" } ], "quote": "In Giza, Paraśurāma Jayantī 2046 falls on Tuesday 8 May. Tṛtīyā runs from 06:45 on Tue 8 May to 06:33 on Wed 9 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1631, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2046-05-08T06:44:37+03:00", "utc": "2046-05-08T03:44:37Z", "ms": 2409363876702.0522 }, "end": { "local": "2046-05-09T06:33:23+03:00", "utc": "2046-05-09T03:33:23Z", "ms": 2409449602870.5347 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-08T06:44:37+03:00", "utc": "2046-05-08T03:44:37Z", "ms": 2409363876702.0522 }, "end": { "local": "2046-05-09T06:33:23+03:00", "utc": "2046-05-09T03:33:23Z", "ms": 2409449602870.5347 } }, "kaala": "purvahna", "days": [ { "local_date": "2046-05-08", "window": { "start": { "local": "2046-05-08T06:06:57+03:00", "utc": "2046-05-08T03:06:57Z", "ms": 2409361616651.3345 }, "end": { "local": "2046-05-08T10:36:57+03:00", "utc": "2046-05-08T07:36:57Z", "ms": 2409377816575.644 } }, "covered_min": 232, "window_min": 270, "qualifies": true }, { "local_date": "2046-05-09", "window": { "start": { "local": "2046-05-09T06:06:12+03:00", "utc": "2046-05-09T03:06:12Z", "ms": 2409447971836.902 }, "end": { "local": "2046-05-09T10:36:40+03:00", "utc": "2046-05-09T07:36:40Z", "ms": 2409464199726.18 } }, "covered_min": 27, "window_min": 270, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:45 on Tue 8 May to 06:33 on Wed 9 May.", "fact": "2046-05-08T03:44:37Z → 2046-05-09T03:33:23Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:07–10:37 on the 8th, 06:06–10:37 on the 9th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 232 of 270 minutes on the 8th and 27 of 270 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both forenoons qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1631 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Giza, 2046: Wednesday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-09", "confidence": "determinate" } ], "quote": "In Giza, Akṣaya Tṛtīyā 2046 falls on Wednesday 9 May. Tṛtīyā runs from 06:45 on Tue 8 May to 06:33 on Wed 9 May and covers 27 of 270 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 232 minutes; by the rule the second forenoon is taken.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-05-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21271, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-05-09T06:33:23+03:00", "utc": "2046-05-09T03:33:23Z", "ms": 2409449602870.5347 }, "end": { "local": "2046-05-10T06:00:46+03:00", "utc": "2046-05-10T03:00:46Z", "ms": 2409534046199.4385 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-09T06:33:23+03:00", "utc": "2046-05-09T03:33:23Z", "ms": 2409449602870.5347 }, "end": { "local": "2046-05-10T06:00:46+03:00", "utc": "2046-05-10T03:00:46Z", "ms": 2409534046199.4385 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-05-09", "window": { "start": { "local": "2046-05-09T12:27:54+03:00", "utc": "2046-05-09T09:27:54Z", "ms": 2409470873670.8193 }, "end": { "local": "2046-05-09T13:15:54+03:00", "utc": "2046-05-09T10:15:54Z", "ms": 2409473753670.8193 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-05-10", "window": { "start": { "local": "2046-05-10T12:27:51+03:00", "utc": "2046-05-10T09:27:51Z", "ms": 2409557271356.7256 }, "end": { "local": "2046-05-10T13:15:51+03:00", "utc": "2046-05-10T10:15:51Z", "ms": 2409560151356.7256 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:33 on Wed 9 May to 06:01 on Thu 10 May.", "fact": "2046-05-09T03:33:23Z → 2046-05-10T03:00:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 9th, 12:28–13:16 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21271 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Wednesday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-09", "confidence": "determinate" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Wednesday 9 May. Caturthī runs from 06:33 on Wed 9 May to 06:01 on Thu 10 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-05-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23225, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2046-05-10T06:00:46+03:00", "utc": "2046-05-10T03:00:46Z", "ms": 2409534046199.4385 }, "end": { "local": "2046-05-11T05:07:35+03:00", "utc": "2046-05-11T02:07:35Z", "ms": 2409617254623.1914 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-10T06:00:46+03:00", "utc": "2046-05-10T03:00:46Z", "ms": 2409534046199.4385 }, "end": { "local": "2046-05-11T05:07:35+03:00", "utc": "2046-05-11T02:07:35Z", "ms": 2409617254623.1914 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-05-10", "window": { "start": { "local": "2046-05-10T12:27:51+03:00", "utc": "2046-05-10T09:27:51Z", "ms": 2409557271356.7256 }, "end": { "local": "2046-05-10T13:15:51+03:00", "utc": "2046-05-10T10:15:51Z", "ms": 2409560151356.7256 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-05-11", "window": { "start": { "local": "2046-05-11T12:27:50+03:00", "utc": "2046-05-11T09:27:50Z", "ms": 2409643669592.6104 }, "end": { "local": "2046-05-11T13:15:50+03:00", "utc": "2046-05-11T10:15:50Z", "ms": 2409646549592.6104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:01 on Thu 10 May to 05:08 on Fri 11 May.", "fact": "2046-05-10T03:00:46Z → 2046-05-11T02:07:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 10th, 12:28–13:16 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23225 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Giza, 2046: Thursday 10 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-10", "confidence": "determinate" } ], "quote": "In Giza, Śaṅkara Jayantī 2046 falls on Thursday 10 May. Pañcamī runs from 06:01 on Thu 10 May to 05:08 on Fri 11 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30832, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2046-05-12T03:53:56+03:00", "utc": "2046-05-12T00:53:56Z", "ms": 2409699236481.3213 }, "end": { "local": "2046-05-13T02:19:45+03:00", "utc": "2046-05-12T23:19:45Z", "ms": 2409779984821.4146 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-12T03:53:56+03:00", "utc": "2046-05-12T00:53:56Z", "ms": 2409699236481.3213 }, "end": { "local": "2046-05-13T02:19:45+03:00", "utc": "2046-05-12T23:19:45Z", "ms": 2409779984821.4146 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-05-12", "window": { "start": { "local": "2046-05-12T12:27:48+03:00", "utc": "2046-05-12T09:27:48Z", "ms": 2409730068375.457 }, "end": { "local": "2046-05-12T13:15:48+03:00", "utc": "2046-05-12T10:15:48Z", "ms": 2409732948375.457 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-05-13", "window": { "start": { "local": "2046-05-13T12:27:48+03:00", "utc": "2046-05-13T09:27:48Z", "ms": 2409816467702.384 }, "end": { "local": "2046-05-13T13:15:48+03:00", "utc": "2046-05-13T10:15:48Z", "ms": 2409819347702.384 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:54 on Sat 12 May to 02:20 on Sun 13 May.", "fact": "2046-05-12T00:53:56Z → 2046-05-12T23:19:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 12th, 12:28–13:16 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30832 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Giza, 2046: Saturday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-12", "confidence": "determinate" } ], "quote": "In Giza, Gaṅgotpatti (Ganga Saptami) 2046 falls on Saturday 12 May. Saptamī runs from 03:54 on Sat 12 May to 02:20 on Sun 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-05-16", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37233, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-05-15T19:40:59+03:00", "utc": "2046-05-15T16:40:59Z", "ms": 2410015258838.9917 }, "end": { "local": "2046-05-16T16:57:58+03:00", "utc": "2046-05-16T13:57:58Z", "ms": 2410091877610.96 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-15T19:40:59+03:00", "utc": "2046-05-15T16:40:59Z", "ms": 2410015258838.9917 }, "end": { "local": "2046-05-16T16:57:58+03:00", "utc": "2046-05-16T13:57:58Z", "ms": 2410091877610.96 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-05-16", "window": { "start": { "local": "2046-05-16T06:01:32+03:00", "utc": "2046-05-16T03:01:32Z", "ms": 2410052491747.2666 }, "end": { "local": "2046-05-16T06:01:32+03:00", "utc": "2046-05-16T03:01:32Z", "ms": 2410052491747.2666 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-05-17", "window": { "start": { "local": "2046-05-17T06:00:57+03:00", "utc": "2046-05-17T03:00:57Z", "ms": 2410138856731.461 }, "end": { "local": "2046-05-17T06:00:57+03:00", "utc": "2046-05-17T03:00:57Z", "ms": 2410138856731.461 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:41 on Tue 15 May to 16:58 on Wed 16 May.", "fact": "2046-05-15T16:40:59Z → 2046-05-16T13:57:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 16th and 06:01 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37233 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Giza, 2046: Wednesday 16 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-16", "confidence": "determinate" } ], "quote": "In Giza, Mohinī Ekādaśī 2046 falls on Wednesday 16 May. Ekādaśī runs from 19:41 on Tue 15 May to 16:58 on Wed 16 May and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3139, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2046-05-16T16:57:58+03:00", "utc": "2046-05-16T13:57:58Z", "ms": 2410091877610.96 }, "end": { "local": "2046-05-17T14:08:10+03:00", "utc": "2046-05-17T11:08:10Z", "ms": 2410168089710.2617 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-16T16:57:58+03:00", "utc": "2046-05-16T13:57:58Z", "ms": 2410091877610.96 }, "end": { "local": "2046-05-17T14:08:10+03:00", "utc": "2046-05-17T11:08:10Z", "ms": 2410168089710.2617 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-05-16", "window": { "start": { "local": "2046-05-16T12:27:49+03:00", "utc": "2046-05-16T09:27:49Z", "ms": 2410075668924.8257 }, "end": { "local": "2046-05-16T13:15:49+03:00", "utc": "2046-05-16T10:15:49Z", "ms": 2410078548924.8257 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-05-17", "window": { "start": { "local": "2046-05-17T12:27:50+03:00", "utc": "2046-05-17T09:27:50Z", "ms": 2410162070407.715 }, "end": { "local": "2046-05-17T13:15:50+03:00", "utc": "2046-05-17T10:15:50Z", "ms": 2410164950407.715 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:58 on Wed 16 May to 14:08 on Thu 17 May.", "fact": "2046-05-16T13:57:58Z → 2046-05-17T11:08:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 16th, 12:28–13:16 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3139 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Giza, 2046: Thursday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-17", "confidence": "determinate" } ], "quote": "In Giza, Paraśurāma Dvādaśī 2046 falls on Thursday 17 May. Dvādaśī runs from 16:58 on Wed 16 May to 14:08 on Thu 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3139, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2046-05-16T16:57:58+03:00", "utc": "2046-05-16T13:57:58Z", "ms": 2410091877610.96 }, "end": { "local": "2046-05-17T14:08:10+03:00", "utc": "2046-05-17T11:08:10Z", "ms": 2410168089710.2617 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-16T16:57:58+03:00", "utc": "2046-05-16T13:57:58Z", "ms": 2410091877610.96 }, "end": { "local": "2046-05-17T14:08:10+03:00", "utc": "2046-05-17T11:08:10Z", "ms": 2410168089710.2617 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-05-16", "window": { "start": { "local": "2046-05-16T12:27:49+03:00", "utc": "2046-05-16T09:27:49Z", "ms": 2410075668924.8257 }, "end": { "local": "2046-05-16T13:15:49+03:00", "utc": "2046-05-16T10:15:49Z", "ms": 2410078548924.8257 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-05-17", "window": { "start": { "local": "2046-05-17T12:27:50+03:00", "utc": "2046-05-17T09:27:50Z", "ms": 2410162070407.715 }, "end": { "local": "2046-05-17T13:15:50+03:00", "utc": "2046-05-17T10:15:50Z", "ms": 2410164950407.715 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:58 on Wed 16 May to 14:08 on Thu 17 May.", "fact": "2046-05-16T13:57:58Z → 2046-05-17T11:08:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 16th, 12:28–13:16 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3139 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Giza, 2046: Thursday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-17", "confidence": "determinate" } ], "quote": "In Giza, Rukmiṇī Dvādaśī 2046 falls on Thursday 17 May. Dvādaśī runs from 16:58 on Wed 16 May to 14:08 on Thu 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/pradosha-vrata?on=2046-05-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20074, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-05-17T14:08:10+03:00", "utc": "2046-05-17T11:08:10Z", "ms": 2410168089710.2617 }, "end": { "local": "2046-05-18T11:18:49+03:00", "utc": "2046-05-18T08:18:49Z", "ms": 2410244328583.5986 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-17T14:08:10+03:00", "utc": "2046-05-17T11:08:10Z", "ms": 2410168089710.2617 }, "end": { "local": "2046-05-18T11:18:49+03:00", "utc": "2046-05-18T08:18:49Z", "ms": 2410244328583.5986 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-05-17", "window": { "start": { "local": "2046-05-17T19:42:44+03:00", "utc": "2046-05-17T16:42:44Z", "ms": 2410188164083.9688 }, "end": { "local": "2046-05-17T21:05:05+03:00", "utc": "2046-05-17T18:05:05Z", "ms": 2410193105274.721 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2046-05-18", "window": { "start": { "local": "2046-05-18T19:43:22+03:00", "utc": "2046-05-18T16:43:22Z", "ms": 2410274601838.5913 }, "end": { "local": "2046-05-18T21:05:34+03:00", "utc": "2046-05-18T18:05:34Z", "ms": 2410279533675.221 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:08 on Thu 17 May to 11:19 on Fri 18 May.", "fact": "2046-05-17T11:08:10Z → 2046-05-18T08:18:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:43–21:05 on the 17th, 19:43–21:06 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 82 of 82 minutes on the 17th and 0 of 82 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 20074 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Thursday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-17", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Thursday 17 May. Trayodaśī runs from 14:08 on Thu 17 May to 11:19 on Fri 18 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-05-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30273, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-05-18T11:18:49+03:00", "utc": "2046-05-18T08:18:49Z", "ms": 2410244328583.5986 }, "end": { "local": "2046-05-19T08:38:14+03:00", "utc": "2046-05-19T05:38:14Z", "ms": 2410321093718.9062 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-18T11:18:49+03:00", "utc": "2046-05-18T08:18:49Z", "ms": 2410244328583.5986 }, "end": { "local": "2046-05-19T08:38:14+03:00", "utc": "2046-05-19T05:38:14Z", "ms": 2410321093718.9062 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-05-18", "window": { "start": { "local": "2046-05-18T19:43:22+03:00", "utc": "2046-05-18T16:43:22Z", "ms": 2410274601838.5913 }, "end": { "local": "2046-05-18T21:05:34+03:00", "utc": "2046-05-18T18:05:34Z", "ms": 2410279533675.221 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2046-05-19", "window": { "start": { "local": "2046-05-19T19:43:59+03:00", "utc": "2046-05-19T16:43:59Z", "ms": 2410361039347.5254 }, "end": { "local": "2046-05-19T21:06:02+03:00", "utc": "2046-05-19T18:06:02Z", "ms": 2410365962040.384 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:19 on Fri 18 May to 08:38 on Sat 19 May.", "fact": "2046-05-18T08:18:49Z → 2046-05-19T05:38:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:43–21:06 on the 18th, 19:44–21:06 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 18th and 0 of 82 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30273 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Giza, 2046: Friday 18 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-18", "confidence": "determinate" } ], "quote": "In Giza, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2046 falls on Friday 18 May. Caturdaśī runs from 11:19 on Fri 18 May to 08:38 on Sat 19 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13781, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-05-19T08:38:14+03:00", "utc": "2046-05-19T05:38:14Z", "ms": 2410321093718.9062 }, "end": { "local": "2046-05-20T06:15:23+03:00", "utc": "2046-05-20T03:15:23Z", "ms": 2410398922702.2773 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-19T08:38:14+03:00", "utc": "2046-05-19T05:38:14Z", "ms": 2410321093718.9062 }, "end": { "local": "2046-05-20T06:15:23+03:00", "utc": "2046-05-20T03:15:23Z", "ms": 2410398922702.2773 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-05-19", "window": { "start": { "local": "2046-05-19T12:27:55+03:00", "utc": "2046-05-19T09:27:55Z", "ms": 2410334874980.421 }, "end": { "local": "2046-05-19T13:15:55+03:00", "utc": "2046-05-19T10:15:55Z", "ms": 2410337754980.421 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-05-20", "window": { "start": { "local": "2046-05-20T12:27:58+03:00", "utc": "2046-05-20T09:27:58Z", "ms": 2410421278067.588 }, "end": { "local": "2046-05-20T13:15:58+03:00", "utc": "2046-05-20T10:15:58Z", "ms": 2410424158067.588 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:38 on Sat 19 May to 06:15 on Sun 20 May.", "fact": "2046-05-19T05:38:14Z → 2046-05-20T03:15:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 19th, 12:28–13:16 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13781 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Giza, 2046: Saturday 19 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": "2046-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-19", "confidence": "determinate" } ], "quote": "In Giza, Buddha Pūrṇimā 2046 falls on Saturday 19 May. Pūrṇimā runs from 08:38 on Sat 19 May to 06:15 on Sun 20 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13781, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-05-19T08:38:14+03:00", "utc": "2046-05-19T05:38:14Z", "ms": 2410321093718.9062 }, "end": { "local": "2046-05-20T06:15:23+03:00", "utc": "2046-05-20T03:15:23Z", "ms": 2410398922702.2773 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-19T08:38:14+03:00", "utc": "2046-05-19T05:38:14Z", "ms": 2410321093718.9062 }, "end": { "local": "2046-05-20T06:15:23+03:00", "utc": "2046-05-20T03:15:23Z", "ms": 2410398922702.2773 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-05-19", "window": { "start": { "local": "2046-05-19T12:27:55+03:00", "utc": "2046-05-19T09:27:55Z", "ms": 2410334874980.421 }, "end": { "local": "2046-05-19T13:15:55+03:00", "utc": "2046-05-19T10:15:55Z", "ms": 2410337754980.421 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-05-20", "window": { "start": { "local": "2046-05-20T12:27:58+03:00", "utc": "2046-05-20T09:27:58Z", "ms": 2410421278067.588 }, "end": { "local": "2046-05-20T13:15:58+03:00", "utc": "2046-05-20T10:15:58Z", "ms": 2410424158067.588 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:38 on Sat 19 May to 06:15 on Sun 20 May.", "fact": "2046-05-19T05:38:14Z → 2046-05-20T03:15:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 19th, 12:28–13:16 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13781 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Giza, 2046: Saturday 19 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": "2046-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-19", "confidence": "determinate" } ], "quote": "In Giza, Sampat Gaurī Vrata 2046 falls on Saturday 19 May. Pūrṇimā runs from 08:38 on Sat 19 May to 06:15 on Sun 20 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-05-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11478, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-05-23T02:18:47+03:00", "utc": "2046-05-22T23:18:47Z", "ms": 2410643927434.63 }, "end": { "local": "2046-05-24T02:25:03+03:00", "utc": "2046-05-23T23:25:03Z", "ms": 2410730703149.5654 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-23T02:18:47+03:00", "utc": "2046-05-22T23:18:47Z", "ms": 2410643927434.63 }, "end": { "local": "2046-05-24T02:25:03+03:00", "utc": "2046-05-23T23:25:03Z", "ms": 2410730703149.5654 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-05-22", "window": { "start": { "local": "2046-05-22T22:26:33+03:00", "utc": "2046-05-22T19:26:33Z", "ms": 2410629993201.531 }, "end": { "local": "2046-05-22T22:26:33+03:00", "utc": "2046-05-22T19:26:33Z", "ms": 2410629993201.531 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-05-23", "window": { "start": { "local": "2046-05-23T23:13:45+03:00", "utc": "2046-05-23T20:13:45Z", "ms": 2410719224819.14 }, "end": { "local": "2046-05-23T23:13:45+03:00", "utc": "2046-05-23T20:13:45Z", "ms": 2410719224819.14 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:19 on Wed 23 May to 02:25 on Thu 24 May.", "fact": "2046-05-22T23:18:47Z → 2046-05-23T23:25:03Z" }, { "step": "kaala", "text": "Moonrise is at 22:27 on the 22nd and 23:14 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11478 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Wednesday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-23", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Wednesday 23 May. Caturthī runs from 02:19 on Wed 23 May to 02:25 on Thu 24 May and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-05-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ekadashi?on=2046-05-31", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29490, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-05-30T14:06:55+03:00", "utc": "2046-05-30T11:06:55Z", "ms": 2411291215465.282 }, "end": { "local": "2046-05-31T16:02:36+03:00", "utc": "2046-05-31T13:02:36Z", "ms": 2411384555870.2476 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-05-30T14:06:55+03:00", "utc": "2046-05-30T11:06:55Z", "ms": 2411291215465.282 }, "end": { "local": "2046-05-31T16:02:36+03:00", "utc": "2046-05-31T13:02:36Z", "ms": 2411384555870.2476 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-05-30", "window": { "start": { "local": "2046-05-30T05:55:25+03:00", "utc": "2046-05-30T02:55:25Z", "ms": 2411261725090.3486 }, "end": { "local": "2046-05-30T05:55:25+03:00", "utc": "2046-05-30T02:55:25Z", "ms": 2411261725090.3486 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-05-31", "window": { "start": { "local": "2046-05-31T05:55:09+03:00", "utc": "2046-05-31T02:55:09Z", "ms": 2411348109465.3394 }, "end": { "local": "2046-05-31T05:55:09+03:00", "utc": "2046-05-31T02:55:09Z", "ms": 2411348109465.3394 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:07 on Wed 30 May to 16:03 on Thu 31 May.", "fact": "2046-05-30T11:06:55Z → 2046-05-31T13:02:36Z" }, { "step": "kaala", "text": "Sunrise is at 05:55 on the 30th and 05:55 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29490 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Giza, 2046: Thursday 31 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-05-31", "confidence": "determinate" } ], "quote": "In Giza, Aparā Ekādaśī 2046 falls on Thursday 31 May. Ekādaśī runs from 14:07 on Wed 30 May to 16:03 on Thu 31 May and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-06-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5558, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-06-01T17:28:01+03:00", "utc": "2046-06-01T14:28:01Z", "ms": 2411476080806.007 }, "end": { "local": "2046-06-02T18:19:27+03:00", "utc": "2046-06-02T15:19:27Z", "ms": 2411565567309.5225 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-01T17:28:01+03:00", "utc": "2046-06-01T14:28:01Z", "ms": 2411476080806.007 }, "end": { "local": "2046-06-02T18:19:27+03:00", "utc": "2046-06-02T15:19:27Z", "ms": 2411565567309.5225 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-06-01", "window": { "start": { "local": "2046-06-01T19:51:34+03:00", "utc": "2046-06-01T16:51:34Z", "ms": 2411484693737.4385 }, "end": { "local": "2046-06-01T21:11:59+03:00", "utc": "2046-06-01T18:11:59Z", "ms": 2411489518908.411 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "2046-06-02", "window": { "start": { "local": "2046-06-02T19:52:05+03:00", "utc": "2046-06-02T16:52:05Z", "ms": 2411571125118.4 }, "end": { "local": "2046-06-02T21:12:25+03:00", "utc": "2046-06-02T18:12:25Z", "ms": 2411575944594.991 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:28 on Fri 1 Jun to 18:19 on Sat 2 Jun.", "fact": "2046-06-01T14:28:01Z → 2046-06-02T15:19:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:52–21:12 on the 1st, 19:52–21:12 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 80 of 80 minutes on the 1st and 0 of 80 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 5558 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Friday 1 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": "2046-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-01", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Friday 1 June. Trayodaśī runs from 17:28 on Fri 1 Jun to 18:19 on Sat 2 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-06-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-06-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21160, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-06-02T18:19:27+03:00", "utc": "2046-06-02T15:19:27Z", "ms": 2411565567309.5225 }, "end": { "local": "2046-06-03T18:36:49+03:00", "utc": "2046-06-03T15:36:49Z", "ms": 2411653008621.212 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-02T18:19:27+03:00", "utc": "2046-06-02T15:19:27Z", "ms": 2411565567309.5225 }, "end": { "local": "2046-06-03T18:36:49+03:00", "utc": "2046-06-03T15:36:49Z", "ms": 2411653008621.212 } }, "kaala": "nishita", "days": [ { "local_date": "2046-06-02", "window": { "start": { "local": "2046-06-03T00:29:18+03:00", "utc": "2046-06-02T21:29:18Z", "ms": 2411587758155.6177 }, "end": { "local": "2046-06-03T01:17:18+03:00", "utc": "2046-06-02T22:17:18Z", "ms": 2411590638155.6177 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-06-03", "window": { "start": { "local": "2046-06-04T00:29:29+03:00", "utc": "2046-06-03T21:29:29Z", "ms": 2411674168556.3433 }, "end": { "local": "2046-06-04T01:17:29+03:00", "utc": "2046-06-03T22:17:29Z", "ms": 2411677048556.3433 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:19 on Sat 2 Jun to 18:37 on Sun 3 Jun.", "fact": "2046-06-02T15:19:27Z → 2046-06-03T15:36:49Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 2nd, 00:29–01:17 on the 3rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21160 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Saturday 2 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": "2046-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-02", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Saturday 2 June. Caturdaśī runs from 18:19 on Sat 2 Jun to 18:37 on Sun 3 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6811, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2046-06-06T16:35:36+03:00", "utc": "2046-06-06T13:35:36Z", "ms": 2411904935910.4224 }, "end": { "local": "2046-06-07T15:11:46+03:00", "utc": "2046-06-07T12:11:46Z", "ms": 2411986306496.5186 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-06T16:35:36+03:00", "utc": "2046-06-06T13:35:36Z", "ms": 2411904935910.4224 }, "end": { "local": "2046-06-07T15:11:46+03:00", "utc": "2046-06-07T12:11:46Z", "ms": 2411986306496.5186 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-06-06", "window": { "start": { "local": "2046-06-06T12:30:05+03:00", "utc": "2046-06-06T09:30:05Z", "ms": 2411890204619.463 }, "end": { "local": "2046-06-06T13:18:05+03:00", "utc": "2046-06-06T10:18:05Z", "ms": 2411893084619.463 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-06-07", "window": { "start": { "local": "2046-06-07T12:30:16+03:00", "utc": "2046-06-07T09:30:16Z", "ms": 2411976615592.5166 }, "end": { "local": "2046-06-07T13:18:16+03:00", "utc": "2046-06-07T10:18:16Z", "ms": 2411979495592.5166 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:36 on Wed 6 Jun to 15:12 on Thu 7 Jun.", "fact": "2046-06-06T13:35:36Z → 2046-06-07T12:11:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 6th, 12:30–13:18 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6811 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Giza, 2046: Thursday 7 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-07", "confidence": "determinate" } ], "quote": "In Giza, Rambhā Tṛtīyā 2046 falls on Thursday 7 June. Tṛtīyā runs from 16:36 on Wed 6 Jun to 15:12 on Thu 7 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-06-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 870, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-06-07T15:11:46+03:00", "utc": "2046-06-07T12:11:46Z", "ms": 2411986306496.5186 }, "end": { "local": "2046-06-08T13:32:57+03:00", "utc": "2046-06-08T10:32:57Z", "ms": 2412066777198.1436 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-07T15:11:46+03:00", "utc": "2046-06-07T12:11:46Z", "ms": 2411986306496.5186 }, "end": { "local": "2046-06-08T13:32:57+03:00", "utc": "2046-06-08T10:32:57Z", "ms": 2412066777198.1436 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-06-07", "window": { "start": { "local": "2046-06-07T12:30:16+03:00", "utc": "2046-06-07T09:30:16Z", "ms": 2411976615592.5166 }, "end": { "local": "2046-06-07T13:18:16+03:00", "utc": "2046-06-07T10:18:16Z", "ms": 2411979495592.5166 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-06-08", "window": { "start": { "local": "2046-06-08T12:30:27+03:00", "utc": "2046-06-08T09:30:27Z", "ms": 2412063026826.328 }, "end": { "local": "2046-06-08T13:18:27+03:00", "utc": "2046-06-08T10:18:27Z", "ms": 2412065906826.328 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:12 on Thu 7 Jun to 13:33 on Fri 8 Jun.", "fact": "2046-06-07T12:11:46Z → 2046-06-08T10:32:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 7th, 12:30–13:18 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 870 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Friday 8 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-08", "confidence": "determinate" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Friday 8 June. Caturthī runs from 15:12 on Thu 7 Jun to 13:33 on Fri 8 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2908, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2046-06-09T11:42:11+03:00", "utc": "2046-06-09T08:42:11Z", "ms": 2412146530710.984 }, "end": { "local": "2046-06-10T09:41:50+03:00", "utc": "2046-06-10T06:41:50Z", "ms": 2412225710462.5435 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-09T11:42:11+03:00", "utc": "2046-06-09T08:42:11Z", "ms": 2412146530710.984 }, "end": { "local": "2046-06-10T09:41:50+03:00", "utc": "2046-06-10T06:41:50Z", "ms": 2412225710462.5435 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-06-09", "window": { "start": { "local": "2046-06-09T12:30:38+03:00", "utc": "2046-06-09T09:30:38Z", "ms": 2412149438296.4653 }, "end": { "local": "2046-06-09T13:18:38+03:00", "utc": "2046-06-09T10:18:38Z", "ms": 2412152318296.4653 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-06-10", "window": { "start": { "local": "2046-06-10T12:30:50+03:00", "utc": "2046-06-10T09:30:50Z", "ms": 2412235849978.999 }, "end": { "local": "2046-06-10T13:18:50+03:00", "utc": "2046-06-10T10:18:50Z", "ms": 2412238729978.999 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:42 on Sat 9 Jun to 09:42 on Sun 10 Jun.", "fact": "2046-06-09T08:42:11Z → 2046-06-10T06:41:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 9th, 12:31–13:19 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2908 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Giza, 2046: Saturday 9 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": "2046-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-09", "confidence": "determinate" } ], "quote": "In Giza, Araṇya Gaurī Vrata 2046 falls on Saturday 9 June. Ṣaṣṭhī runs from 11:42 on Sat 9 Jun to 09:42 on Sun 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2908, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2046-06-09T11:42:11+03:00", "utc": "2046-06-09T08:42:11Z", "ms": 2412146530710.984 }, "end": { "local": "2046-06-10T09:41:50+03:00", "utc": "2046-06-10T06:41:50Z", "ms": 2412225710462.5435 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-09T11:42:11+03:00", "utc": "2046-06-09T08:42:11Z", "ms": 2412146530710.984 }, "end": { "local": "2046-06-10T09:41:50+03:00", "utc": "2046-06-10T06:41:50Z", "ms": 2412225710462.5435 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-06-09", "window": { "start": { "local": "2046-06-09T12:30:38+03:00", "utc": "2046-06-09T09:30:38Z", "ms": 2412149438296.4653 }, "end": { "local": "2046-06-09T13:18:38+03:00", "utc": "2046-06-09T10:18:38Z", "ms": 2412152318296.4653 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-06-10", "window": { "start": { "local": "2046-06-10T12:30:50+03:00", "utc": "2046-06-10T09:30:50Z", "ms": 2412235849978.999 }, "end": { "local": "2046-06-10T13:18:50+03:00", "utc": "2046-06-10T10:18:50Z", "ms": 2412238729978.999 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:42 on Sat 9 Jun to 09:42 on Sun 10 Jun.", "fact": "2046-06-09T08:42:11Z → 2046-06-10T06:41:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 9th, 12:31–13:19 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2908 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Giza, 2046: Saturday 9 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": "2046-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-09", "confidence": "determinate" } ], "quote": "In Giza, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2046 falls on Saturday 9 June. Ṣaṣṭhī runs from 11:42 on Sat 9 Jun to 09:42 on Sun 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-06-14", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18413, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-06-14T00:47:05+03:00", "utc": "2046-06-13T21:47:05Z", "ms": 2412539224977.5415 }, "end": { "local": "2046-06-14T22:34:14+03:00", "utc": "2046-06-14T19:34:14Z", "ms": 2412617654065.989 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-14T00:47:05+03:00", "utc": "2046-06-13T21:47:05Z", "ms": 2412539224977.5415 }, "end": { "local": "2046-06-14T22:34:14+03:00", "utc": "2046-06-14T19:34:14Z", "ms": 2412617654065.989 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-06-14", "window": { "start": { "local": "2046-06-14T05:53:58+03:00", "utc": "2046-06-14T02:53:58Z", "ms": 2412557638067.99 }, "end": { "local": "2046-06-14T05:53:58+03:00", "utc": "2046-06-14T02:53:58Z", "ms": 2412557638067.99 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-06-15", "window": { "start": { "local": "2046-06-15T05:54:03+03:00", "utc": "2046-06-15T02:54:03Z", "ms": 2412644043035.084 }, "end": { "local": "2046-06-15T05:54:03+03:00", "utc": "2046-06-15T02:54:03Z", "ms": 2412644043035.084 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:47 on Thu 14 Jun to 22:34 on Thu 14 Jun.", "fact": "2046-06-13T21:47:05Z → 2046-06-14T19:34:14Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 14th and 05:54 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 18413 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Giza, 2046: Thursday 14 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-14", "confidence": "determinate" } ], "quote": "In Giza, Nirjalā Ekādaśī 2046 falls on Thursday 14 June. Ekādaśī runs from 00:47 on Thu 14 Jun to 22:34 on Thu 14 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25822, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2046-06-14T22:34:14+03:00", "utc": "2046-06-14T19:34:14Z", "ms": 2412617654065.989 }, "end": { "local": "2046-06-15T20:30:13+03:00", "utc": "2046-06-15T17:30:13Z", "ms": 2412696612732.32 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-14T22:34:14+03:00", "utc": "2046-06-14T19:34:14Z", "ms": 2412617654065.989 }, "end": { "local": "2046-06-15T20:30:13+03:00", "utc": "2046-06-15T17:30:13Z", "ms": 2412696612732.32 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-06-14", "window": { "start": { "local": "2046-06-14T12:31:38+03:00", "utc": "2046-06-14T09:31:38Z", "ms": 2412581498384.131 }, "end": { "local": "2046-06-14T13:19:38+03:00", "utc": "2046-06-14T10:19:38Z", "ms": 2412584378384.131 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-06-15", "window": { "start": { "local": "2046-06-15T12:31:51+03:00", "utc": "2046-06-15T09:31:51Z", "ms": 2412667910799.881 }, "end": { "local": "2046-06-15T13:19:51+03:00", "utc": "2046-06-15T10:19:51Z", "ms": 2412670790799.881 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:34 on Thu 14 Jun to 20:30 on Fri 15 Jun.", "fact": "2046-06-14T19:34:14Z → 2046-06-15T17:30:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 14th, 12:32–13:20 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25822 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Giza, 2046: Friday 15 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-15", "confidence": "determinate" } ], "quote": "In Giza, Śrī Rāma Dvādaśī 2046 falls on Friday 15 June. Dvādaśī runs from 22:34 on Thu 14 Jun to 20:30 on Fri 15 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/pradosha-vrata?on=2046-06-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1954, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-06-15T20:30:13+03:00", "utc": "2046-06-15T17:30:13Z", "ms": 2412696612732.32 }, "end": { "local": "2046-06-16T18:40:44+03:00", "utc": "2046-06-16T15:40:44Z", "ms": 2412776443781.006 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-15T20:30:13+03:00", "utc": "2046-06-15T17:30:13Z", "ms": 2412696612732.32 }, "end": { "local": "2046-06-16T18:40:44+03:00", "utc": "2046-06-16T15:40:44Z", "ms": 2412776443781.006 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-06-15", "window": { "start": { "local": "2046-06-15T19:57:39+03:00", "utc": "2046-06-15T16:57:39Z", "ms": 2412694658564.6772 }, "end": { "local": "2046-06-15T21:17:11+03:00", "utc": "2046-06-15T18:17:11Z", "ms": 2412699430658.7417 } }, "covered_min": 47, "window_min": 80, "qualifies": true }, { "local_date": "2046-06-16", "window": { "start": { "local": "2046-06-16T19:57:57+03:00", "utc": "2046-06-16T16:57:57Z", "ms": 2412781077334.422 }, "end": { "local": "2046-06-16T21:17:28+03:00", "utc": "2046-06-16T18:17:28Z", "ms": 2412785847924.277 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:30 on Fri 15 Jun to 18:41 on Sat 16 Jun.", "fact": "2046-06-15T17:30:13Z → 2046-06-16T15:40:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:58–21:17 on the 15th, 19:58–21:17 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 47 of 80 minutes on the 15th and 0 of 80 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 1954 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Friday 15 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": "2046-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-15", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Friday 15 June. Trayodaśī runs from 20:30 on Fri 15 Jun to 18:41 on Sat 16 Jun and covers 47 of 80 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-06-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9977, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-06-17T17:11:58+03:00", "utc": "2046-06-17T14:11:58Z", "ms": 2412857518366.165 }, "end": { "local": "2046-06-18T16:10:07+03:00", "utc": "2046-06-18T13:10:07Z", "ms": 2412940207311.7476 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-17T17:11:58+03:00", "utc": "2046-06-17T14:11:58Z", "ms": 2412857518366.165 }, "end": { "local": "2046-06-18T16:10:07+03:00", "utc": "2046-06-18T13:10:07Z", "ms": 2412940207311.7476 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-06-17", "window": { "start": { "local": "2046-06-17T19:58:15+03:00", "utc": "2046-06-17T16:58:15Z", "ms": 2412867494986.9766 }, "end": { "local": "2046-06-17T21:17:44+03:00", "utc": "2046-06-17T18:17:44Z", "ms": 2412872264386.536 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "2046-06-18", "window": { "start": { "local": "2046-06-18T19:58:32+03:00", "utc": "2046-06-18T16:58:32Z", "ms": 2412953911500.358 }, "end": { "local": "2046-06-18T21:18:00+03:00", "utc": "2046-06-18T18:18:00Z", "ms": 2412958680024.3506 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:12 on Sun 17 Jun to 16:10 on Mon 18 Jun.", "fact": "2046-06-17T14:11:58Z → 2046-06-18T13:10:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:58–21:18 on the 17th, 19:59–21:18 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 79 of 79 minutes on the 17th and 0 of 79 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9977 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Giza, 2046: Sunday 17 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": "2046-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-17", "confidence": "determinate" } ], "quote": "In Giza, Vaṭa Sāvitrī Vrata 2046 falls on Sunday 17 June. Pūrṇimā runs from 17:12 on Sun 17 Jun to 16:10 on Mon 18 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-06-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18143, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-06-21T16:33:09+03:00", "utc": "2046-06-21T13:33:09Z", "ms": 2413200789384.557 }, "end": { "local": "2046-06-22T17:55:13+03:00", "utc": "2046-06-22T14:55:13Z", "ms": 2413292112538.887 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-21T16:33:09+03:00", "utc": "2046-06-21T13:33:09Z", "ms": 2413200789384.557 }, "end": { "local": "2046-06-22T17:55:13+03:00", "utc": "2046-06-22T14:55:13Z", "ms": 2413292112538.887 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-06-21", "window": { "start": { "local": "2046-06-21T22:25:25+03:00", "utc": "2046-06-21T19:25:25Z", "ms": 2413221924669.242 }, "end": { "local": "2046-06-21T22:25:25+03:00", "utc": "2046-06-21T19:25:25Z", "ms": 2413221924669.242 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-06-22", "window": { "start": { "local": "2046-06-22T22:57:36+03:00", "utc": "2046-06-22T19:57:36Z", "ms": 2413310255898.406 }, "end": { "local": "2046-06-22T22:57:36+03:00", "utc": "2046-06-22T19:57:36Z", "ms": 2413310255898.406 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:33 on Thu 21 Jun to 17:55 on Fri 22 Jun.", "fact": "2046-06-21T13:33:09Z → 2046-06-22T14:55:13Z" }, { "step": "kaala", "text": "Moonrise is at 22:25 on the 21st and 22:58 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18143 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Thursday 21 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-21", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Thursday 21 June. Caturthī runs from 16:33 on Thu 21 Jun to 17:55 on Fri 22 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-06-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ekadashi?on=2046-06-30", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1543, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-06-29T06:23:01+03:00", "utc": "2046-06-29T03:23:01Z", "ms": 2413855380689.01 }, "end": { "local": "2046-06-30T07:18:48+03:00", "utc": "2046-06-30T04:18:48Z", "ms": 2413945128372.8135 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-06-29T06:23:01+03:00", "utc": "2046-06-29T03:23:01Z", "ms": 2413855380689.01 }, "end": { "local": "2046-06-30T07:18:48+03:00", "utc": "2046-06-30T04:18:48Z", "ms": 2413945128372.8135 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-06-29", "window": { "start": { "local": "2046-06-29T05:57:18+03:00", "utc": "2046-06-29T02:57:18Z", "ms": 2413853837698.877 }, "end": { "local": "2046-06-29T05:57:18+03:00", "utc": "2046-06-29T02:57:18Z", "ms": 2413853837698.877 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-06-30", "window": { "start": { "local": "2046-06-30T05:57:40+03:00", "utc": "2046-06-30T02:57:40Z", "ms": 2413940259667.8833 }, "end": { "local": "2046-06-30T05:57:40+03:00", "utc": "2046-06-30T02:57:40Z", "ms": 2413940259667.8833 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:23 on Fri 29 Jun to 07:19 on Sat 30 Jun.", "fact": "2046-06-29T03:23:01Z → 2046-06-30T04:18:48Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 29th and 05:58 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 1543 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Giza, 2046: Saturday 30 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-06-30", "confidence": "determinate" } ], "quote": "In Giza, Yoginī Ekādaśī 2046 falls on Saturday 30 June. Ekādaśī runs from 06:23 on Fri 29 Jun to 07:19 on Sat 30 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-07-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35445, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-07-01T07:34:35+03:00", "utc": "2046-07-01T04:34:35Z", "ms": 2414032475194.545 }, "end": { "local": "2046-07-02T07:10:44+03:00", "utc": "2046-07-02T04:10:44Z", "ms": 2414117444271.6704 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-01T07:34:35+03:00", "utc": "2046-07-01T04:34:35Z", "ms": 2414032475194.545 }, "end": { "local": "2046-07-02T07:10:44+03:00", "utc": "2046-07-02T04:10:44Z", "ms": 2414117444271.6704 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-06-30", "window": { "start": { "local": "2046-06-30T20:00:13+03:00", "utc": "2046-06-30T17:00:13Z", "ms": 2413990813278.771 }, "end": { "local": "2046-06-30T21:19:56+03:00", "utc": "2046-06-30T18:19:56Z", "ms": 2413995595850.206 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "2046-07-01", "window": { "start": { "local": "2046-07-01T20:00:13+03:00", "utc": "2046-07-01T17:00:13Z", "ms": 2414077213158.892 }, "end": { "local": "2046-07-01T21:19:59+03:00", "utc": "2046-07-01T18:19:59Z", "ms": 2414081998918.38 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:35 on Sun 1 Jul to 07:11 on Mon 2 Jul.", "fact": "2046-07-01T04:34:35Z → 2046-07-02T04:10:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:00–21:20 on the 30th, 20:00–21:20 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 80 minutes on the 30th and 80 of 80 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 35445 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Sunday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-01", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Sunday 1 July. Trayodaśī runs from 07:35 on Sun 1 Jul to 07:11 on Mon 2 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-07-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17218, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-07-02T07:10:44+03:00", "utc": "2046-07-02T04:10:44Z", "ms": 2414117444271.6704 }, "end": { "local": "2046-07-03T06:10:30+03:00", "utc": "2046-07-03T03:10:30Z", "ms": 2414200229630.5874 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-02T07:10:44+03:00", "utc": "2046-07-02T04:10:44Z", "ms": 2414117444271.6704 }, "end": { "local": "2046-07-03T06:10:30+03:00", "utc": "2046-07-03T03:10:30Z", "ms": 2414200229630.5874 } }, "kaala": "nishita", "days": [ { "local_date": "2046-07-01", "window": { "start": { "local": "2046-07-02T00:35:20+03:00", "utc": "2046-07-01T21:35:20Z", "ms": 2414093719756.9707 }, "end": { "local": "2046-07-02T01:23:20+03:00", "utc": "2046-07-01T22:23:20Z", "ms": 2414096599756.9707 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-07-02", "window": { "start": { "local": "2046-07-03T00:35:31+03:00", "utc": "2046-07-02T21:35:31Z", "ms": 2414180131321.7065 }, "end": { "local": "2046-07-03T01:23:31+03:00", "utc": "2046-07-02T22:23:31Z", "ms": 2414183011321.7065 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:11 on Mon 2 Jul to 06:10 on Tue 3 Jul.", "fact": "2046-07-02T04:10:44Z → 2046-07-03T03:10:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 1st, 00:36–01:24 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 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17218 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Monday 2 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-02", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Monday 2 July. Caturdaśī runs from 07:11 on Mon 2 Jul to 06:10 on Tue 3 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35607, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2046-07-05T02:42:24+03:00", "utc": "2046-07-04T23:42:24Z", "ms": 2414360543620.0146 }, "end": { "local": "2046-07-06T00:27:15+03:00", "utc": "2046-07-05T21:27:15Z", "ms": 2414438835312.3696 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-05T02:42:24+03:00", "utc": "2046-07-04T23:42:24Z", "ms": 2414360543620.0146 }, "end": { "local": "2046-07-06T00:27:15+03:00", "utc": "2046-07-05T21:27:15Z", "ms": 2414438835312.3696 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-07-05", "window": { "start": { "local": "2046-07-05T12:35:51+03:00", "utc": "2046-07-05T09:35:51Z", "ms": 2414396150636.651 }, "end": { "local": "2046-07-05T13:23:51+03:00", "utc": "2046-07-05T10:23:51Z", "ms": 2414399030636.651 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-07-06", "window": { "start": { "local": "2046-07-06T12:36:01+03:00", "utc": "2046-07-06T09:36:01Z", "ms": 2414482560510.999 }, "end": { "local": "2046-07-06T13:24:01+03:00", "utc": "2046-07-06T10:24:01Z", "ms": 2414485440510.999 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:42 on Thu 5 Jul to 00:27 on Fri 6 Jul.", "fact": "2046-07-04T23:42:24Z → 2046-07-05T21:27:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 5th, 12:36–13:24 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35607 s" }, { "step": "ruling", "text": "Rathayātrā, Giza, 2046: Thursday 5 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-05", "confidence": "determinate" } ], "quote": "In Giza, Rathayātrā 2046 falls on Thursday 5 July. Dvitīyā runs from 02:42 on Thu 5 Jul to 00:27 on Fri 6 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-07-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21748, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-07-06T22:00:00+03:00", "utc": "2046-07-06T19:00:00Z", "ms": 2414516399990.9644 }, "end": { "local": "2046-07-07T19:26:38+03:00", "utc": "2046-07-07T16:26:38Z", "ms": 2414593597627.909 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-06T22:00:00+03:00", "utc": "2046-07-06T19:00:00Z", "ms": 2414516399990.9644 }, "end": { "local": "2046-07-07T19:26:38+03:00", "utc": "2046-07-07T16:26:38Z", "ms": 2414593597627.909 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-07-06", "window": { "start": { "local": "2046-07-06T12:36:01+03:00", "utc": "2046-07-06T09:36:01Z", "ms": 2414482560510.999 }, "end": { "local": "2046-07-06T13:24:01+03:00", "utc": "2046-07-06T10:24:01Z", "ms": 2414485440510.999 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-07-07", "window": { "start": { "local": "2046-07-07T12:36:10+03:00", "utc": "2046-07-07T09:36:10Z", "ms": 2414568970008.873 }, "end": { "local": "2046-07-07T13:24:10+03:00", "utc": "2046-07-07T10:24:10Z", "ms": 2414571850008.873 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:00 on Fri 6 Jul to 19:27 on Sat 7 Jul.", "fact": "2046-07-06T19:00:00Z → 2046-07-07T16:26:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 6th, 12:36–13:24 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 21748 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Saturday 7 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-07", "confidence": "determinate" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Saturday 7 July. Caturthī runs from 22:00 on Fri 6 Jul to 19:27 on Sat 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12493, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2046-07-07T19:26:38+03:00", "utc": "2046-07-07T16:26:38Z", "ms": 2414593597627.909 }, "end": { "local": "2046-07-08T16:52:32+03:00", "utc": "2046-07-08T13:52:32Z", "ms": 2414670751851.453 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-07T19:26:38+03:00", "utc": "2046-07-07T16:26:38Z", "ms": 2414593597627.909 }, "end": { "local": "2046-07-08T16:52:32+03:00", "utc": "2046-07-08T13:52:32Z", "ms": 2414670751851.453 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-07-07", "window": { "start": { "local": "2046-07-07T12:36:10+03:00", "utc": "2046-07-07T09:36:10Z", "ms": 2414568970008.873 }, "end": { "local": "2046-07-07T13:24:10+03:00", "utc": "2046-07-07T10:24:10Z", "ms": 2414571850008.873 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-07-08", "window": { "start": { "local": "2046-07-08T12:36:19+03:00", "utc": "2046-07-08T09:36:19Z", "ms": 2414655379107.9014 }, "end": { "local": "2046-07-08T13:24:19+03:00", "utc": "2046-07-08T10:24:19Z", "ms": 2414658259107.9014 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:27 on Sat 7 Jul to 16:53 on Sun 8 Jul.", "fact": "2046-07-07T16:26:38Z → 2046-07-08T13:52:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 7th, 12:36–13:24 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12493 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Giza, 2046: Sunday 8 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-08", "confidence": "determinate" } ], "quote": "In Giza, Skanda Pañcamī 2046 falls on Sunday 8 July. Pañcamī runs from 19:27 on Sat 7 Jul to 16:53 on Sun 8 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2173, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2046-07-09T14:22:26+03:00", "utc": "2046-07-09T11:22:26Z", "ms": 2414748145834.0083 }, "end": { "local": "2046-07-10T12:00:23+03:00", "utc": "2046-07-10T09:00:23Z", "ms": 2414826023469.9194 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-09T14:22:26+03:00", "utc": "2046-07-09T11:22:26Z", "ms": 2414748145834.0083 }, "end": { "local": "2046-07-10T12:00:23+03:00", "utc": "2046-07-10T09:00:23Z", "ms": 2414826023469.9194 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-07-09", "window": { "start": { "local": "2046-07-09T12:36:28+03:00", "utc": "2046-07-09T09:36:28Z", "ms": 2414741787787.503 }, "end": { "local": "2046-07-09T13:24:28+03:00", "utc": "2046-07-09T10:24:28Z", "ms": 2414744667787.503 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-07-10", "window": { "start": { "local": "2046-07-10T12:36:36+03:00", "utc": "2046-07-10T09:36:36Z", "ms": 2414828196029.0576 }, "end": { "local": "2046-07-10T13:24:36+03:00", "utc": "2046-07-10T10:24:36Z", "ms": 2414831076029.0576 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:22 on Mon 9 Jul to 12:00 on Tue 10 Jul.", "fact": "2046-07-09T11:22:26Z → 2046-07-10T09:00:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 9th, 12:37–13:25 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 2173 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Giza, 2046: Tuesday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-09", "confidence": "boundary" } ], "quote": "In Giza, Vivasvat Saptamī 2046 falls on Tuesday 10 July. Saptamī runs from 14:22 on Mon 9 Jul to 12:00 on Tue 10 Jul, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-07-13", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 723, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-07-13T06:15:39+03:00", "utc": "2046-07-13T03:15:39Z", "ms": 2415064539290.1113 }, "end": { "local": "2046-07-14T04:57:21+03:00", "utc": "2046-07-14T01:57:21Z", "ms": 2415146240731.2812 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-13T06:15:39+03:00", "utc": "2046-07-13T03:15:39Z", "ms": 2415064539290.1113 }, "end": { "local": "2046-07-14T04:57:21+03:00", "utc": "2046-07-14T01:57:21Z", "ms": 2415146240731.2812 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-07-13", "window": { "start": { "local": "2046-07-13T06:03:37+03:00", "utc": "2046-07-13T03:03:37Z", "ms": 2415063816669.42 }, "end": { "local": "2046-07-13T06:03:37+03:00", "utc": "2046-07-13T03:03:37Z", "ms": 2415063816669.42 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-07-14", "window": { "start": { "local": "2046-07-14T06:04:08+03:00", "utc": "2046-07-14T03:04:08Z", "ms": 2415150248392.8545 }, "end": { "local": "2046-07-14T06:04:08+03:00", "utc": "2046-07-14T03:04:08Z", "ms": 2415150248392.8545 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:16 on Fri 13 Jul to 04:57 on Sat 14 Jul.", "fact": "2046-07-13T03:15:39Z → 2046-07-14T01:57:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 13th and 06:04 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 723 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Giza, 2046: Friday 13 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": "2046-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-13", "confidence": "determinate" } ], "quote": "In Giza, Hariśayanī Ekādaśī 2046 falls on Friday 13 July. Ekādaśī runs from 06:16 on Fri 13 Jul to 04:57 on Sat 14 Jul, and is current at sunrise on neither day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-07-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-07-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22364, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-07-15T04:01:45+03:00", "utc": "2046-07-15T01:01:45Z", "ms": 2415229305116.008 }, "end": { "local": "2046-07-16T03:31:25+03:00", "utc": "2046-07-16T00:31:25Z", "ms": 2415313884571.75 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-15T04:01:45+03:00", "utc": "2046-07-15T01:01:45Z", "ms": 2415229305116.008 }, "end": { "local": "2046-07-16T03:31:25+03:00", "utc": "2046-07-16T00:31:25Z", "ms": 2415313884571.75 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-07-14", "window": { "start": { "local": "2046-07-14T19:58:00+03:00", "utc": "2046-07-14T16:58:00Z", "ms": 2415200280222.8525 }, "end": { "local": "2046-07-14T21:18:54+03:00", "utc": "2046-07-14T18:18:54Z", "ms": 2415205133602.102 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2046-07-15", "window": { "start": { "local": "2046-07-15T19:57:40+03:00", "utc": "2046-07-15T16:57:40Z", "ms": 2415286659719.178 }, "end": { "local": "2046-07-15T21:18:40+03:00", "utc": "2046-07-15T18:18:40Z", "ms": 2415291520178.7314 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:02 on Sun 15 Jul to 03:31 on Mon 16 Jul.", "fact": "2046-07-15T01:01:45Z → 2046-07-16T00:31:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:58–21:19 on the 14th, 19:58–21:19 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 81 minutes on the 14th and 81 of 81 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 22364 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Sunday 15 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-15", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Sunday 15 July. Trayodaśī runs from 04:02 on Sun 15 Jul to 03:31 on Mon 16 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7872, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-07-17T03:28:37+03:00", "utc": "2046-07-17T00:28:37Z", "ms": 2415400117102.2026 }, "end": { "local": "2046-07-18T03:55:08+03:00", "utc": "2046-07-18T00:55:08Z", "ms": 2415488107784.228 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-17T03:28:37+03:00", "utc": "2046-07-17T00:28:37Z", "ms": 2415400117102.2026 }, "end": { "local": "2046-07-18T03:55:08+03:00", "utc": "2046-07-18T00:55:08Z", "ms": 2415488107784.228 } }, "kaala": "udaya-3", "days": [ { "local_date": "2046-07-17", "window": { "start": { "local": "2046-07-17T06:05:46+03:00", "utc": "2046-07-17T03:05:46Z", "ms": 2415409546162.988 }, "end": { "local": "2046-07-17T08:52:00+03:00", "utc": "2046-07-17T05:52:00Z", "ms": 2415419519803.1895 } }, "covered_min": 166, "window_min": 166, "qualifies": true }, { "local_date": "2046-07-18", "window": { "start": { "local": "2046-07-18T06:06:20+03:00", "utc": "2046-07-18T03:06:20Z", "ms": 2415495979533.8857 }, "end": { "local": "2046-07-18T08:52:22+03:00", "utc": "2046-07-18T05:52:22Z", "ms": 2415505941533.4053 } }, "covered_min": 0, "window_min": 166, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:29 on Tue 17 Jul to 03:55 on Wed 18 Jul.", "fact": "2046-07-17T00:28:37Z → 2046-07-18T00:55:08Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:06–08:52 on the 17th, 06:06–08:52 on the 18th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 166 of 166 minutes on the 17th and 0 of 166 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7872 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Giza, 2046: Tuesday 17 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": "2046-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-17", "confidence": "determinate" } ], "quote": "In Giza, Vyāsa Pūjā 2046 falls on Tuesday 17 July. Pūrṇimā runs from 03:29 on Tue 17 Jul to 03:55 on Wed 18 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31337, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-07-17T03:28:37+03:00", "utc": "2046-07-17T00:28:37Z", "ms": 2415400117102.2026 }, "end": { "local": "2046-07-18T03:55:08+03:00", "utc": "2046-07-18T00:55:08Z", "ms": 2415488107784.228 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-17T03:28:37+03:00", "utc": "2046-07-17T00:28:37Z", "ms": 2415400117102.2026 }, "end": { "local": "2046-07-18T03:55:08+03:00", "utc": "2046-07-18T00:55:08Z", "ms": 2415488107784.228 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-07-17", "window": { "start": { "local": "2046-07-17T12:37:20+03:00", "utc": "2046-07-17T09:37:20Z", "ms": 2415433040263.492 }, "end": { "local": "2046-07-17T13:25:20+03:00", "utc": "2046-07-17T10:25:20Z", "ms": 2415435920263.492 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-07-18", "window": { "start": { "local": "2046-07-18T12:37:25+03:00", "utc": "2046-07-18T09:37:25Z", "ms": 2415519444532.6846 }, "end": { "local": "2046-07-18T13:25:25+03:00", "utc": "2046-07-18T10:25:25Z", "ms": 2415522324532.6846 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:29 on Tue 17 Jul to 03:55 on Wed 18 Jul.", "fact": "2046-07-17T00:28:37Z → 2046-07-18T00:55:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 17th, 12:37–13:25 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31337 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Giza, 2046: Tuesday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-17", "confidence": "determinate" } ], "quote": "In Giza, Guru Pūrṇimā 2046 falls on Tuesday 17 July. Pūrṇimā runs from 03:29 on Tue 17 Jul to 03:55 on Wed 18 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27079, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-07-17T03:28:37+03:00", "utc": "2046-07-17T00:28:37Z", "ms": 2415400117102.2026 }, "end": { "local": "2046-07-18T03:55:08+03:00", "utc": "2046-07-18T00:55:08Z", "ms": 2415488107784.228 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-17T03:28:37+03:00", "utc": "2046-07-17T00:28:37Z", "ms": 2415400117102.2026 }, "end": { "local": "2046-07-18T03:55:08+03:00", "utc": "2046-07-18T00:55:08Z", "ms": 2415488107784.228 } }, "kaala": "sayahna", "days": [ { "local_date": "2046-07-16", "window": { "start": { "local": "2046-07-16T17:10:53+03:00", "utc": "2046-07-16T14:10:53Z", "ms": 2415363052843.7183 }, "end": { "local": "2046-07-16T19:57:18+03:00", "utc": "2046-07-16T16:57:18Z", "ms": 2415373037763.191 } }, "covered_min": 0, "window_min": 166, "qualifies": false }, { "local_date": "2046-07-17", "window": { "start": { "local": "2046-07-17T17:10:41+03:00", "utc": "2046-07-17T14:10:41Z", "ms": 2415449440723.7954 }, "end": { "local": "2046-07-17T19:56:54+03:00", "utc": "2046-07-17T16:56:54Z", "ms": 2415459414363.997 } }, "covered_min": 166, "window_min": 166, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:29 on Tue 17 Jul to 03:55 on Wed 18 Jul.", "fact": "2046-07-17T00:28:37Z → 2046-07-18T00:55:08Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:11–19:57 on the 16th, 17:11–19:57 on the 17th.", "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 166 minutes on the 16th and 166 of 166 on the 17th.", "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 27079 s" }, { "step": "ruling", "text": "Kokilā Vrata, Giza, 2046: Tuesday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-17", "confidence": "determinate" } ], "quote": "In Giza, Kokilā Vrata 2046 falls on Tuesday 17 July. Pūrṇimā runs from 03:29 on Tue 17 Jul to 03:55 on Wed 18 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22212, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-07-17T03:28:37+03:00", "utc": "2046-07-17T00:28:37Z", "ms": 2415400117102.2026 }, "end": { "local": "2046-07-18T03:55:08+03:00", "utc": "2046-07-18T00:55:08Z", "ms": 2415488107784.228 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2046-07-17T03:28:37+03:00", "utc": "2046-07-17T00:28:37Z", "ms": 2415400117102.2026 }, "end": { "local": "2046-07-18T03:55:08+03:00", "utc": "2046-07-18T00:55:08Z", "ms": 2415488107784.228 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-07-16", "window": { "start": { "local": "2046-07-16T19:57:18+03:00", "utc": "2046-07-16T16:57:18Z", "ms": 2415373037763.191 }, "end": { "local": "2046-07-16T21:18:26+03:00", "utc": "2046-07-16T18:18:26Z", "ms": 2415377905549.8306 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2046-07-17", "window": { "start": { "local": "2046-07-17T19:56:54+03:00", "utc": "2046-07-17T16:56:54Z", "ms": 2415459414363.997 }, "end": { "local": "2046-07-17T21:18:10+03:00", "utc": "2046-07-17T18:18:10Z", "ms": 2415464289719.9824 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:29 on Tue 17 Jul to 03:55 on Wed 18 Jul.", "fact": "2046-07-17T00:28:37Z → 2046-07-18T00:55:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:57–21:18 on the 16th, 19:57–21:18 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 81 minutes on the 16th and 81 of 81 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22212 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Giza, 2046: Tuesday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-17", "confidence": "determinate" } ], "quote": "In Giza, Śiva Śayanotsava 2046 falls on Tuesday 17 July. Pūrṇimā runs from 03:29 on Tue 17 Jul to 03:55 on Wed 18 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30510, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2046-07-19T04:51:41+03:00", "utc": "2046-07-19T01:51:41Z", "ms": 2415577900610.536 }, "end": { "local": "2046-07-20T06:17:23+03:00", "utc": "2046-07-20T03:17:23Z", "ms": 2415669443115.883 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-07-19T04:51:41+03:00", "utc": "2046-07-19T01:51:41Z", "ms": 2415577900610.536 }, "end": { "local": "2046-07-20T06:17:23+03:00", "utc": "2046-07-20T03:17:23Z", "ms": 2415669443115.883 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-07-18", "window": { "start": { "local": "2046-07-18T20:23:10+03:00", "utc": "2046-07-18T17:23:10Z", "ms": 2415547390137.6104 }, "end": { "local": "2046-07-18T20:23:10+03:00", "utc": "2046-07-18T17:23:10Z", "ms": 2415547390137.6104 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-07-19", "window": { "start": { "local": "2046-07-19T20:57:02+03:00", "utc": "2046-07-19T17:57:02Z", "ms": 2415635822444.7876 }, "end": { "local": "2046-07-19T20:57:02+03:00", "utc": "2046-07-19T17:57:02Z", "ms": 2415635822444.7876 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:52 on Thu 19 Jul to 06:17 on Fri 20 Jul.", "fact": "2046-07-19T01:51:41Z → 2046-07-20T03:17:23Z" }, { "step": "kaala", "text": "Moonrise is at 20:23 on the 18th and 20:57 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30510 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Giza, 2046: Thursday 19 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-19", "confidence": "determinate" } ], "quote": "In Giza, Aśūnya Śayana Vrata (Āṣāḍha) 2046 falls on Thursday 19 July. Dvitīyā runs from 04:52 on Thu 19 Jul to 06:17 on Fri 20 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-07-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38517, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-07-21T08:09:09+03:00", "utc": "2046-07-21T05:09:09Z", "ms": 2415762549300.394 }, "end": { "local": "2046-07-22T10:21:11+03:00", "utc": "2046-07-22T07:21:11Z", "ms": 2415856870694.1616 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-07-21T08:09:09+03:00", "utc": "2046-07-21T05:09:09Z", "ms": 2415762549300.394 }, "end": { "local": "2046-07-22T10:21:11+03:00", "utc": "2046-07-22T07:21:11Z", "ms": 2415856870694.1616 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-07-20", "window": { "start": { "local": "2046-07-20T21:27:13+03:00", "utc": "2046-07-20T18:27:13Z", "ms": 2415724032667.7 }, "end": { "local": "2046-07-20T21:27:13+03:00", "utc": "2046-07-20T18:27:13Z", "ms": 2415724032667.7 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-07-21", "window": { "start": { "local": "2046-07-21T21:55:02+03:00", "utc": "2046-07-21T18:55:02Z", "ms": 2415812102460.492 }, "end": { "local": "2046-07-21T21:55:02+03:00", "utc": "2046-07-21T18:55:02Z", "ms": 2415812102460.492 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:09 on Sat 21 Jul to 10:21 on Sun 22 Jul.", "fact": "2046-07-21T05:09:09Z → 2046-07-22T07:21:11Z" }, { "step": "kaala", "text": "Moonrise is at 21:27 on the 20th and 21:55 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 38517 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Saturday 21 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-21", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Saturday 21 July. Caturthī runs from 08:09 on Sat 21 Jul to 10:21 on Sun 22 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-07-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ekadashi?on=2046-07-29", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33262, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-07-28T20:58:23+03:00", "utc": "2046-07-28T17:58:23Z", "ms": 2416413502624.031 }, "end": { "local": "2046-07-29T20:47:28+03:00", "utc": "2046-07-29T17:47:28Z", "ms": 2416499247611.0684 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-07-28T20:58:23+03:00", "utc": "2046-07-28T17:58:23Z", "ms": 2416413502624.031 }, "end": { "local": "2046-07-29T20:47:28+03:00", "utc": "2046-07-29T17:47:28Z", "ms": 2416499247611.0684 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-07-29", "window": { "start": { "local": "2046-07-29T06:12:45+03:00", "utc": "2046-07-29T03:12:45Z", "ms": 2416446764562.5566 }, "end": { "local": "2046-07-29T06:12:45+03:00", "utc": "2046-07-29T03:12:45Z", "ms": 2416446764562.5566 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-07-30", "window": { "start": { "local": "2046-07-30T06:13:21+03:00", "utc": "2046-07-30T03:13:21Z", "ms": 2416533200600.2944 }, "end": { "local": "2046-07-30T06:13:21+03:00", "utc": "2046-07-30T03:13:21Z", "ms": 2416533200600.2944 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:58 on Sat 28 Jul to 20:47 on Sun 29 Jul.", "fact": "2046-07-28T17:58:23Z → 2046-07-29T17:47:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 29th and 06:13 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33262 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Giza, 2046: Sunday 29 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-29", "confidence": "determinate" } ], "quote": "In Giza, Kāmikā Ekādaśī 2046 falls on Sunday 29 July. Ekādaśī runs from 20:58 on Sat 28 Jul to 20:47 on Sun 29 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-07-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-30", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 155, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-07-30T19:52:19+03:00", "utc": "2046-07-30T16:52:19Z", "ms": 2416582339417.2793 }, "end": { "local": "2046-07-31T18:16:17+03:00", "utc": "2046-07-31T15:16:17Z", "ms": 2416662977039.1406 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-07-30T19:52:19+03:00", "utc": "2046-07-30T16:52:19Z", "ms": 2416582339417.2793 }, "end": { "local": "2046-07-31T18:16:17+03:00", "utc": "2046-07-31T15:16:17Z", "ms": 2416662977039.1406 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-07-30", "window": { "start": { "local": "2046-07-30T19:49:44+03:00", "utc": "2046-07-30T16:49:44Z", "ms": 2416582184214.5996 }, "end": { "local": "2046-07-30T21:12:58+03:00", "utc": "2046-07-30T18:12:58Z", "ms": 2416587177880.857 } }, "covered_min": 81, "window_min": 83, "qualifies": true }, { "local_date": "2046-07-31", "window": { "start": { "local": "2046-07-31T19:49:02+03:00", "utc": "2046-07-31T16:49:02Z", "ms": 2416668541927.3994 }, "end": { "local": "2046-07-31T21:12:26+03:00", "utc": "2046-07-31T18:12:26Z", "ms": 2416673546053.4565 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:52 on Mon 30 Jul to 18:16 on Tue 31 Jul.", "fact": "2046-07-30T16:52:19Z → 2046-07-31T15:16:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:50–21:13 on the 30th, 19:49–21:12 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 81 of 83 minutes on the 30th and 0 of 83 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 155 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Monday 30 July.", "fact": "confidence: boundary (margin)" } ], "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": "2046-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-30", "confidence": "boundary" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Monday 30 July. Trayodaśī runs from 19:52 on Mon 30 Jul to 18:16 on Tue 31 Jul and covers 81 of 83 minutes of pradoṣa that evening. It is 2 min 35 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-07-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-07-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22890, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-07-31T18:16:17+03:00", "utc": "2046-07-31T15:16:17Z", "ms": 2416662977039.1406 }, "end": { "local": "2046-08-01T16:04:58+03:00", "utc": "2046-08-01T13:04:58Z", "ms": 2416741498396.3745 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-07-31T18:16:17+03:00", "utc": "2046-07-31T15:16:17Z", "ms": 2416662977039.1406 }, "end": { "local": "2046-08-01T16:04:58+03:00", "utc": "2046-08-01T13:04:58Z", "ms": 2416741498396.3745 } }, "kaala": "nishita", "days": [ { "local_date": "2046-07-31", "window": { "start": { "local": "2046-08-01T00:37:47+03:00", "utc": "2046-07-31T21:37:47Z", "ms": 2416685867400.1143 }, "end": { "local": "2046-08-01T01:25:47+03:00", "utc": "2046-07-31T22:25:47Z", "ms": 2416688747400.1143 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-08-01", "window": { "start": { "local": "2046-08-02T00:37:44+03:00", "utc": "2046-08-01T21:37:44Z", "ms": 2416772263731.8276 }, "end": { "local": "2046-08-02T01:25:44+03:00", "utc": "2046-08-01T22:25:44Z", "ms": 2416775143731.8276 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:16 on Tue 31 Jul to 16:05 on Wed 1 Aug.", "fact": "2046-07-31T15:16:17Z → 2046-08-01T13:04:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:38–01:26 on the 31st, 00:38–01:26 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22890 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Tuesday 31 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-07-31", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Tuesday 31 July. Caturdaśī runs from 18:16 on Tue 31 Jul to 16:05 on Wed 1 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19304, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2046-08-04T07:15:27+03:00", "utc": "2046-08-04T04:15:27Z", "ms": 2416968926632.736 }, "end": { "local": "2046-08-05T04:01:44+03:00", "utc": "2046-08-05T01:01:44Z", "ms": 2417043704290.4424 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-08-04T07:15:27+03:00", "utc": "2046-08-04T04:15:27Z", "ms": 2416968926632.736 }, "end": { "local": "2046-08-05T04:01:44+03:00", "utc": "2046-08-05T01:01:44Z", "ms": 2417043704290.4424 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-08-04", "window": { "start": { "local": "2046-08-04T12:37:11+03:00", "utc": "2046-08-04T09:37:11Z", "ms": 2416988230992.0815 }, "end": { "local": "2046-08-04T13:25:11+03:00", "utc": "2046-08-04T10:25:11Z", "ms": 2416991110992.0815 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-08-05", "window": { "start": { "local": "2046-08-05T12:37:05+03:00", "utc": "2046-08-05T09:37:05Z", "ms": 2417074624899.1787 }, "end": { "local": "2046-08-05T13:25:05+03:00", "utc": "2046-08-05T10:25:05Z", "ms": 2417077504899.1787 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:15 on Sat 4 Aug to 04:02 on Sun 5 Aug.", "fact": "2046-08-04T04:15:27Z → 2046-08-05T01:01:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 4th, 12:37–13:25 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19304 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Giza, 2046: Saturday 4 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-04", "confidence": "determinate" } ], "quote": "In Giza, Madhusravā Tṛtīyā (Hariyali Teej) 2046 falls on Saturday 4 August. Tṛtīyā runs from 07:15 on Sat 4 Aug to 04:02 on Sun 5 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-08-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30921, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-08-05T04:01:44+03:00", "utc": "2046-08-05T01:01:44Z", "ms": 2417043704290.4424 }, "end": { "local": "2046-08-06T00:53:19+03:00", "utc": "2046-08-05T21:53:19Z", "ms": 2417118799236.8354 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-08-05T04:01:44+03:00", "utc": "2046-08-05T01:01:44Z", "ms": 2417043704290.4424 }, "end": { "local": "2046-08-06T00:53:19+03:00", "utc": "2046-08-05T21:53:19Z", "ms": 2417118799236.8354 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-08-05", "window": { "start": { "local": "2046-08-05T12:37:05+03:00", "utc": "2046-08-05T09:37:05Z", "ms": 2417074624899.1787 }, "end": { "local": "2046-08-05T13:25:05+03:00", "utc": "2046-08-05T10:25:05Z", "ms": 2417077504899.1787 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-08-06", "window": { "start": { "local": "2046-08-06T12:36:58+03:00", "utc": "2046-08-06T09:36:58Z", "ms": 2417161018198.5776 }, "end": { "local": "2046-08-06T13:24:58+03:00", "utc": "2046-08-06T10:24:58Z", "ms": 2417163898198.5776 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:02 on Sun 5 Aug to 00:53 on Mon 6 Aug.", "fact": "2046-08-05T01:01:44Z → 2046-08-05T21:53:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 5th, 12:37–13:25 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 30921 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Sunday 5 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-05", "confidence": "determinate" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Sunday 5 August. Caturthī runs from 04:02 on Sun 5 Aug to 00:53 on Mon 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-08-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30768, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2046-08-06T00:53:19+03:00", "utc": "2046-08-05T21:53:19Z", "ms": 2417118799236.8354 }, "end": { "local": "2046-08-06T21:57:46+03:00", "utc": "2046-08-06T18:57:46Z", "ms": 2417194665853.058 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-08-06T00:53:19+03:00", "utc": "2046-08-05T21:53:19Z", "ms": 2417118799236.8354 }, "end": { "local": "2046-08-06T21:57:46+03:00", "utc": "2046-08-06T18:57:46Z", "ms": 2417194665853.058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-08-05", "window": { "start": { "local": "2046-08-05T12:37:05+03:00", "utc": "2046-08-05T09:37:05Z", "ms": 2417074624899.1787 }, "end": { "local": "2046-08-05T13:25:05+03:00", "utc": "2046-08-05T10:25:05Z", "ms": 2417077504899.1787 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-08-06", "window": { "start": { "local": "2046-08-06T12:36:58+03:00", "utc": "2046-08-06T09:36:58Z", "ms": 2417161018198.5776 }, "end": { "local": "2046-08-06T13:24:58+03:00", "utc": "2046-08-06T10:24:58Z", "ms": 2417163898198.5776 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:53 on Mon 6 Aug to 21:58 on Mon 6 Aug.", "fact": "2046-08-05T21:53:19Z → 2046-08-06T18:57:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 5th, 12:37–13:25 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 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30768 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Giza, 2046: Monday 6 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-06", "confidence": "determinate" } ], "quote": "In Giza, Nāga Pañcamī 2046 falls on Monday 6 August. Pañcamī runs from 00:53 on Mon 6 Aug to 21:58 on Mon 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-08-12", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25951, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-08-11T13:39:49+03:00", "utc": "2046-08-11T10:39:49Z", "ms": 2417596789190.1855 }, "end": { "local": "2046-08-12T13:33:39+03:00", "utc": "2046-08-12T10:33:39Z", "ms": 2417682818842.392 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-08-11T13:39:49+03:00", "utc": "2046-08-11T10:39:49Z", "ms": 2417596789190.1855 }, "end": { "local": "2046-08-12T13:33:39+03:00", "utc": "2046-08-12T10:33:39Z", "ms": 2417682818842.392 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-08-11", "window": { "start": { "local": "2046-08-11T06:20:33+03:00", "utc": "2046-08-11T03:20:33Z", "ms": 2417570432572.174 }, "end": { "local": "2046-08-11T06:20:33+03:00", "utc": "2046-08-11T03:20:33Z", "ms": 2417570432572.174 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-08-12", "window": { "start": { "local": "2046-08-12T06:21:08+03:00", "utc": "2046-08-12T03:21:08Z", "ms": 2417656868001.5957 }, "end": { "local": "2046-08-12T06:21:08+03:00", "utc": "2046-08-12T03:21:08Z", "ms": 2417656868001.5957 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:40 on Sat 11 Aug to 13:34 on Sun 12 Aug.", "fact": "2046-08-11T10:39:49Z → 2046-08-12T10:33:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 11th and 06:21 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 25951 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Giza, 2046: Sunday 12 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-12", "confidence": "determinate" } ], "quote": "In Giza, Putradā Ekādaśī 2046 falls on Sunday 12 August. Ekādaśī runs from 13:40 on Sat 11 Aug to 13:34 on Sun 12 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-08-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 573, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2046-08-12T13:33:39+03:00", "utc": "2046-08-12T10:33:39Z", "ms": 2417682818842.392 }, "end": { "local": "2046-08-13T13:58:00+03:00", "utc": "2046-08-13T10:58:00Z", "ms": 2417770679674.2183 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-08-12T13:33:39+03:00", "utc": "2046-08-12T10:33:39Z", "ms": 2417682818842.392 }, "end": { "local": "2046-08-13T13:58:00+03:00", "utc": "2046-08-13T10:58:00Z", "ms": 2417770679674.2183 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-08-12", "window": { "start": { "local": "2046-08-12T12:36:05+03:00", "utc": "2046-08-12T09:36:05Z", "ms": 2417679365429.5483 }, "end": { "local": "2046-08-12T13:24:05+03:00", "utc": "2046-08-12T10:24:05Z", "ms": 2417682245429.5483 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-08-13", "window": { "start": { "local": "2046-08-13T12:35:55+03:00", "utc": "2046-08-13T09:35:55Z", "ms": 2417765754606.7427 }, "end": { "local": "2046-08-13T13:23:55+03:00", "utc": "2046-08-13T10:23:55Z", "ms": 2417768634606.7427 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:34 on Sun 12 Aug to 13:58 on Mon 13 Aug.", "fact": "2046-08-12T10:33:39Z → 2046-08-13T10:58:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 12th, 12:36–13:24 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 573 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Giza, 2046: Monday 13 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "damodara-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-12", "confidence": "determinate" } ], "quote": "In Giza, Dāmodara Dvādaśī 2046 falls on Monday 13 August. Dvādaśī runs from 13:34 on Sun 12 Aug to 13:58 on Mon 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/pradosha-vrata?on=2046-08-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17187, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-08-13T13:58:00+03:00", "utc": "2046-08-13T10:58:00Z", "ms": 2417770679674.2183 }, "end": { "local": "2046-08-14T14:50:41+03:00", "utc": "2046-08-14T11:50:41Z", "ms": 2417860240576.4604 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-08-13T13:58:00+03:00", "utc": "2046-08-13T10:58:00Z", "ms": 2417770679674.2183 }, "end": { "local": "2046-08-14T14:50:41+03:00", "utc": "2046-08-14T11:50:41Z", "ms": 2417860240576.4604 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-08-13", "window": { "start": { "local": "2046-08-13T19:38:06+03:00", "utc": "2046-08-13T16:38:06Z", "ms": 2417791085918.3174 }, "end": { "local": "2046-08-13T21:04:00+03:00", "utc": "2046-08-13T18:04:00Z", "ms": 2417796239589.129 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2046-08-14", "window": { "start": { "local": "2046-08-14T19:37:08+03:00", "utc": "2046-08-14T16:37:08Z", "ms": 2417877428012.7427 }, "end": { "local": "2046-08-14T21:03:14+03:00", "utc": "2046-08-14T18:03:14Z", "ms": 2417882594072.669 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:58 on Mon 13 Aug to 14:51 on Tue 14 Aug.", "fact": "2046-08-13T10:58:00Z → 2046-08-14T11:50:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:38–21:04 on the 13th, 19:37–21:03 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 86 of 86 minutes on the 13th and 0 of 86 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 17187 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Monday 13 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": "2046-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-13", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Monday 13 August. Trayodaśī runs from 13:58 on Mon 13 Aug to 14:51 on Tue 14 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-16", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 5188, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-08-15T16:09:04+03:00", "utc": "2046-08-15T13:09:04Z", "ms": 2417951344230.313 }, "end": { "local": "2046-08-16T17:50:13+03:00", "utc": "2046-08-16T14:50:13Z", "ms": 2418043812537.867 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2046-08-16T04:57:00+03:00", "utc": "2046-08-16T01:57:00Z", "ms": 2417997419881.2783 }, "end": { "local": "2046-08-16T17:50:13+03:00", "utc": "2046-08-16T14:50:13Z", "ms": 2418043812537.867 } }, "kaala": "day", "days": [ { "local_date": "2046-08-15", "window": { "start": { "local": "2046-08-15T06:22:53+03:00", "utc": "2046-08-15T03:22:53Z", "ms": 2417916173462.1885 }, "end": { "local": "2046-08-16T06:23:28+03:00", "utc": "2046-08-16T03:23:28Z", "ms": 2418002608332.603 } }, "covered_min": 86, "window_min": 1441, "qualifies": true }, { "local_date": "2046-08-16", "window": { "start": { "local": "2046-08-16T06:23:28+03:00", "utc": "2046-08-16T03:23:28Z", "ms": 2418002608332.603 }, "end": { "local": "2046-08-17T06:24:03+03:00", "utc": "2046-08-17T03:24:03Z", "ms": 2418089043060.7197 } }, "covered_min": 687, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:09 on Wed 15 Aug to 17:50 on Thu 16 Aug. Its second half begins at 04:57 on Thu 16 Aug.", "fact": "2046-08-15T13:09:04Z → 2046-08-16T14:50:13Z · second half from 2046-08-16T01:57:00Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:23 on the 15th, and from 06:23 on the 16th.", "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 86 of 1441 minutes on the 15th and 687 of 1441 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 5188 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Giza, 2046: Thursday 16 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-16", "confidence": "boundary" } ], "quote": "In Giza, Rakṣā Bandhana (Rakhi) 2046 falls on Thursday 16 August. The second half of Pūrṇimā runs from 04:57 on Thu 16 Aug to 17:50 on Thu 16 Aug and falls on two days: 687 minutes of it on the 16th, 86 on the 15th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9933, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-08-15T16:09:04+03:00", "utc": "2046-08-15T13:09:04Z", "ms": 2417951344230.313 }, "end": { "local": "2046-08-16T17:50:13+03:00", "utc": "2046-08-16T14:50:13Z", "ms": 2418043812537.867 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2046-08-15T16:09:04+03:00", "utc": "2046-08-15T13:09:04Z", "ms": 2417951344230.313 }, "end": { "local": "2046-08-16T17:50:13+03:00", "utc": "2046-08-16T14:50:13Z", "ms": 2418043812537.867 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-08-15", "window": { "start": { "local": "2046-08-15T12:35:31+03:00", "utc": "2046-08-15T09:35:31Z", "ms": 2417938531314.652 }, "end": { "local": "2046-08-15T13:23:31+03:00", "utc": "2046-08-15T10:23:31Z", "ms": 2417941411314.652 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-08-16", "window": { "start": { "local": "2046-08-16T12:35:19+03:00", "utc": "2046-08-16T09:35:19Z", "ms": 2418024918870.2837 }, "end": { "local": "2046-08-16T13:23:19+03:00", "utc": "2046-08-16T10:23:19Z", "ms": 2418027798870.2837 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:09 on Wed 15 Aug to 17:50 on Thu 16 Aug.", "fact": "2046-08-15T13:09:04Z → 2046-08-16T14:50:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 15th, 12:35–13:23 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9933 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Giza, 2046: Thursday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-16", "confidence": "determinate" } ], "quote": "In Giza, Ṛṣi Tarpaṇa 2046 falls on Thursday 16 August. Pūrṇimā runs from 16:09 on Wed 15 Aug to 17:50 on Thu 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 408, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2046-08-17T19:50:38+03:00", "utc": "2046-08-17T16:50:38Z", "ms": 2418137438182.5034 }, "end": { "local": "2046-08-18T22:06:04+03:00", "utc": "2046-08-18T19:06:04Z", "ms": 2418231963975.091 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-17T19:50:38+03:00", "utc": "2046-08-17T16:50:38Z", "ms": 2418137438182.5034 }, "end": { "local": "2046-08-18T22:06:04+03:00", "utc": "2046-08-18T19:06:04Z", "ms": 2418231963975.091 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-08-17", "window": { "start": { "local": "2046-08-17T19:57:26+03:00", "utc": "2046-08-17T16:57:26Z", "ms": 2418137846255.509 }, "end": { "local": "2046-08-17T19:57:26+03:00", "utc": "2046-08-17T16:57:26Z", "ms": 2418137846255.509 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-08-18", "window": { "start": { "local": "2046-08-18T20:24:28+03:00", "utc": "2046-08-18T17:24:28Z", "ms": 2418225868315.8794 }, "end": { "local": "2046-08-18T20:24:28+03:00", "utc": "2046-08-18T17:24:28Z", "ms": 2418225868315.8794 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:51 on Fri 17 Aug to 22:06 on Sat 18 Aug.", "fact": "2046-08-17T16:50:38Z → 2046-08-18T19:06:04Z" }, { "step": "kaala", "text": "Moonrise is at 19:57 on the 17th and 20:24 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both moonrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 408 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Giza, 2046: Saturday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-18", "confidence": "determinate" } ], "quote": "In Giza, Aśūnya Śayana Vrata 2046 falls on Saturday 18 August. Dvitīyā runs from 19:51 on Fri 17 Aug to 22:06 on Sat 18 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31392, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2046-08-18T22:06:04+03:00", "utc": "2046-08-18T19:06:04Z", "ms": 2418231963975.091 }, "end": { "local": "2046-08-20T00:30:57+03:00", "utc": "2046-08-19T21:30:57Z", "ms": 2418327056773.6724 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-18T22:06:04+03:00", "utc": "2046-08-18T19:06:04Z", "ms": 2418231963975.091 }, "end": { "local": "2046-08-20T00:30:57+03:00", "utc": "2046-08-19T21:30:57Z", "ms": 2418327056773.6724 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-08-18", "window": { "start": { "local": "2046-08-18T12:34:52+03:00", "utc": "2046-08-18T09:34:52Z", "ms": 2418197692451.6694 }, "end": { "local": "2046-08-18T13:22:52+03:00", "utc": "2046-08-18T10:22:52Z", "ms": 2418200572451.6694 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-08-19", "window": { "start": { "local": "2046-08-19T12:34:39+03:00", "utc": "2046-08-19T09:34:39Z", "ms": 2418284078505.452 }, "end": { "local": "2046-08-19T13:22:39+03:00", "utc": "2046-08-19T10:22:39Z", "ms": 2418286958505.452 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:06 on Sat 18 Aug to 00:31 on Mon 20 Aug.", "fact": "2046-08-18T19:06:04Z → 2046-08-19T21:30:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 18th, 12:35–13:23 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31392 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Giza, 2046: Sunday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-19", "confidence": "determinate" } ], "quote": "In Giza, Kajjalī Tṛtīyā (Kajari Teej) 2046 falls on Sunday 19 August. Tṛtīyā runs from 22:06 on Sat 18 Aug to 00:31 on Mon 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17932, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-08-20T00:30:57+03:00", "utc": "2046-08-19T21:30:57Z", "ms": 2418327056773.6724 }, "end": { "local": "2046-08-21T02:58:07+03:00", "utc": "2046-08-20T23:58:07Z", "ms": 2418422287131.0913 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-20T00:30:57+03:00", "utc": "2046-08-19T21:30:57Z", "ms": 2418327056773.6724 }, "end": { "local": "2046-08-21T02:58:07+03:00", "utc": "2046-08-20T23:58:07Z", "ms": 2418422287131.0913 } }, "kaala": "sayahna", "days": [ { "local_date": "2046-08-19", "window": { "start": { "local": "2046-08-19T16:54:42+03:00", "utc": "2046-08-19T13:54:42Z", "ms": 2418299682352.2075 }, "end": { "local": "2046-08-19T19:32:05+03:00", "utc": "2046-08-19T16:32:05Z", "ms": 2418309124916.7114 } }, "covered_min": 0, "window_min": 157, "qualifies": false }, { "local_date": "2046-08-20", "window": { "start": { "local": "2046-08-20T16:53:59+03:00", "utc": "2046-08-20T13:53:59Z", "ms": 2418386038697.6157 }, "end": { "local": "2046-08-20T19:31:02+03:00", "utc": "2046-08-20T16:31:02Z", "ms": 2418395461771.253 } }, "covered_min": 157, "window_min": 157, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:31 on Mon 20 Aug to 02:58 on Tue 21 Aug.", "fact": "2046-08-19T21:30:57Z → 2046-08-20T23:58:07Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:55–19:32 on the 19th, 16:54–19:31 on the 20th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 157 minutes on the 19th and 157 of 157 on the 20th.", "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 17932 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Giza, 2046: Monday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-20", "confidence": "determinate" } ], "quote": "In Giza, Bahulā Caturthī 2046 falls on Monday 20 August. Caturthī runs from 00:31 on Mon 20 Aug to 02:58 on Tue 21 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-08-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13187, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-08-20T00:30:57+03:00", "utc": "2046-08-19T21:30:57Z", "ms": 2418327056773.6724 }, "end": { "local": "2046-08-21T02:58:07+03:00", "utc": "2046-08-20T23:58:07Z", "ms": 2418422287131.0913 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-20T00:30:57+03:00", "utc": "2046-08-19T21:30:57Z", "ms": 2418327056773.6724 }, "end": { "local": "2046-08-21T02:58:07+03:00", "utc": "2046-08-20T23:58:07Z", "ms": 2418422287131.0913 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-08-19", "window": { "start": { "local": "2046-08-19T20:51:09+03:00", "utc": "2046-08-19T17:51:09Z", "ms": 2418313869446.832 }, "end": { "local": "2046-08-19T20:51:09+03:00", "utc": "2046-08-19T17:51:09Z", "ms": 2418313869446.832 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-08-20", "window": { "start": { "local": "2046-08-20T21:18:35+03:00", "utc": "2046-08-20T18:18:35Z", "ms": 2418401915415.4727 }, "end": { "local": "2046-08-20T21:18:35+03:00", "utc": "2046-08-20T18:18:35Z", "ms": 2418401915415.4727 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:31 on Mon 20 Aug to 02:58 on Tue 21 Aug.", "fact": "2046-08-19T21:30:57Z → 2046-08-20T23:58:07Z" }, { "step": "kaala", "text": "Moonrise is at 20:51 on the 19th and 21:19 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 19th and is on the 20th.", "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 13187 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Monday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-20", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Monday 20 August. Caturthī runs from 00:31 on Mon 20 Aug to 02:58 on Tue 21 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-08-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18638, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2046-08-22T05:18:48+03:00", "utc": "2046-08-22T02:18:48Z", "ms": 2418517127669.3867 }, "end": { "local": "2046-08-23T07:23:00+03:00", "utc": "2046-08-23T04:23:00Z", "ms": 2418610980210.8467 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-22T05:18:48+03:00", "utc": "2046-08-22T02:18:48Z", "ms": 2418517127669.3867 }, "end": { "local": "2046-08-23T07:23:00+03:00", "utc": "2046-08-23T04:23:00Z", "ms": 2418610980210.8467 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-08-22", "window": { "start": { "local": "2046-08-22T12:33:54+03:00", "utc": "2046-08-22T09:33:54Z", "ms": 2418543233893.2354 }, "end": { "local": "2046-08-22T13:21:54+03:00", "utc": "2046-08-22T10:21:54Z", "ms": 2418546113893.2354 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-08-23", "window": { "start": { "local": "2046-08-23T12:33:38+03:00", "utc": "2046-08-23T09:33:38Z", "ms": 2418629618147.4033 }, "end": { "local": "2046-08-23T13:21:38+03:00", "utc": "2046-08-23T10:21:38Z", "ms": 2418632498147.4033 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:19 on Wed 22 Aug to 07:23 on Thu 23 Aug.", "fact": "2046-08-22T02:18:48Z → 2046-08-23T04:23:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 22nd, 12:34–13:22 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18638 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Giza, 2046: Wednesday 22 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": "2046-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-22", "confidence": "determinate" } ], "quote": "In Giza, Hala Ṣaṣṭhī 2046 falls on Wednesday 22 August. Ṣaṣṭhī runs from 05:19 on Wed 22 Aug to 07:23 on Thu 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12769, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2046-08-23T07:23:00+03:00", "utc": "2046-08-23T04:23:00Z", "ms": 2418610980210.8467 }, "end": { "local": "2046-08-24T09:00:33+03:00", "utc": "2046-08-24T06:00:33Z", "ms": 2418703232742.851 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-23T07:23:00+03:00", "utc": "2046-08-23T04:23:00Z", "ms": 2418610980210.8467 }, "end": { "local": "2046-08-24T09:00:33+03:00", "utc": "2046-08-24T06:00:33Z", "ms": 2418703232742.851 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-08-23", "window": { "start": { "local": "2046-08-23T12:33:38+03:00", "utc": "2046-08-23T09:33:38Z", "ms": 2418629618147.4033 }, "end": { "local": "2046-08-23T13:21:38+03:00", "utc": "2046-08-23T10:21:38Z", "ms": 2418632498147.4033 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-08-24", "window": { "start": { "local": "2046-08-24T12:33:22+03:00", "utc": "2046-08-24T09:33:22Z", "ms": 2418716001988.9873 }, "end": { "local": "2046-08-24T13:21:22+03:00", "utc": "2046-08-24T10:21:22Z", "ms": 2418718881988.9873 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:23 on Thu 23 Aug to 09:01 on Fri 24 Aug.", "fact": "2046-08-23T04:23:00Z → 2046-08-24T06:00:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 23rd, 12:33–13:21 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12769 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Giza, 2046: Thursday 23 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": "2046-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-23", "confidence": "determinate" } ], "quote": "In Giza, Śītalā Saptamī 2046 falls on Thursday 23 August. Saptamī runs from 07:23 on Thu 23 Aug to 09:01 on Fri 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27518, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2046-08-24T09:00:33+03:00", "utc": "2046-08-24T06:00:33Z", "ms": 2418703232742.851 }, "end": { "local": "2046-08-25T10:02:15+03:00", "utc": "2046-08-25T07:02:15Z", "ms": 2418793334930.5366 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-24T09:00:33+03:00", "utc": "2046-08-24T06:00:33Z", "ms": 2418703232742.851 }, "end": { "local": "2046-08-25T10:02:15+03:00", "utc": "2046-08-25T07:02:15Z", "ms": 2418793334930.5366 } }, "kaala": "nishita", "days": [ { "local_date": "2046-08-23", "window": { "start": { "local": "2046-08-24T00:33:55+03:00", "utc": "2046-08-23T21:33:55Z", "ms": 2418672835039.4893 }, "end": { "local": "2046-08-24T01:21:55+03:00", "utc": "2046-08-23T22:21:55Z", "ms": 2418675715039.4893 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-08-24", "window": { "start": { "local": "2046-08-25T00:33:39+03:00", "utc": "2046-08-24T21:33:39Z", "ms": 2418759218819.3584 }, "end": { "local": "2046-08-25T01:21:39+03:00", "utc": "2046-08-24T22:21:39Z", "ms": 2418762098819.3584 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:01 on Fri 24 Aug to 10:02 on Sat 25 Aug.", "fact": "2046-08-24T06:00:33Z → 2046-08-25T07:02:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:34–01:22 on the 23rd, 00:34–01:22 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27518 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Giza, 2046: Friday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-24", "confidence": "determinate" } ], "quote": "In Giza, Janmāṣṭamī 2046 falls on Friday 24 August. Aṣṭamī runs from 09:01 on Fri 24 Aug to 10:02 on Sat 25 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-08-28", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7726, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-08-27T09:53:35+03:00", "utc": "2046-08-27T06:53:35Z", "ms": 2418965614921.6343 }, "end": { "local": "2046-08-28T08:39:02+03:00", "utc": "2046-08-28T05:39:02Z", "ms": 2419047542017.0503 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-27T09:53:35+03:00", "utc": "2046-08-27T06:53:35Z", "ms": 2418965614921.6343 }, "end": { "local": "2046-08-28T08:39:02+03:00", "utc": "2046-08-28T05:39:02Z", "ms": 2419047542017.0503 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-08-27", "window": { "start": { "local": "2046-08-27T06:29:43+03:00", "utc": "2046-08-27T03:29:43Z", "ms": 2418953382936.4233 }, "end": { "local": "2046-08-27T06:29:43+03:00", "utc": "2046-08-27T03:29:43Z", "ms": 2418953382936.4233 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-08-28", "window": { "start": { "local": "2046-08-28T06:30:16+03:00", "utc": "2046-08-28T03:30:16Z", "ms": 2419039816244.761 }, "end": { "local": "2046-08-28T06:30:16+03:00", "utc": "2046-08-28T03:30:16Z", "ms": 2419039816244.761 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:54 on Mon 27 Aug to 08:39 on Tue 28 Aug.", "fact": "2046-08-27T06:53:35Z → 2046-08-28T05:39:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 27th and 06:30 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7726 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Giza, 2046: Tuesday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-28", "confidence": "determinate" } ], "quote": "In Giza, Ajā Ekādaśī 2046 falls on Tuesday 28 August. Ekādaśī runs from 09:54 on Mon 27 Aug to 08:39 on Tue 28 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-08-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-08-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25973, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-08-29T06:40:25+03:00", "utc": "2046-08-29T03:40:25Z", "ms": 2419126824755.6924 }, "end": { "local": "2046-08-30T04:03:18+03:00", "utc": "2046-08-30T01:03:18Z", "ms": 2419203797675.9395 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-29T06:40:25+03:00", "utc": "2046-08-29T03:40:25Z", "ms": 2419126824755.6924 }, "end": { "local": "2046-08-30T04:03:18+03:00", "utc": "2046-08-30T01:03:18Z", "ms": 2419203797675.9395 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-08-28", "window": { "start": { "local": "2046-08-28T19:22:11+03:00", "utc": "2046-08-28T16:22:11Z", "ms": 2419086130808.0234 }, "end": { "local": "2046-08-28T20:51:20+03:00", "utc": "2046-08-28T17:51:20Z", "ms": 2419091479958.983 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "2046-08-29", "window": { "start": { "local": "2046-08-29T19:21:02+03:00", "utc": "2046-08-29T16:21:02Z", "ms": 2419172461609.6406 }, "end": { "local": "2046-08-29T20:50:24+03:00", "utc": "2046-08-29T17:50:24Z", "ms": 2419177824398.238 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:40 on Wed 29 Aug to 04:03 on Thu 30 Aug.", "fact": "2046-08-29T03:40:25Z → 2046-08-30T01:03:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:22–20:51 on the 28th, 19:21–20:50 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 89 minutes on the 28th and 89 of 89 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 25973 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Wednesday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-29", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Wednesday 29 August. Trayodaśī runs from 06:40 on Wed 29 Aug to 04:03 on Thu 30 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14751, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-08-30T04:03:18+03:00", "utc": "2046-08-30T01:03:18Z", "ms": 2419203797675.9395 }, "end": { "local": "2046-08-31T00:55:19+03:00", "utc": "2046-08-30T21:55:19Z", "ms": 2419278918918.1377 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-30T04:03:18+03:00", "utc": "2046-08-30T01:03:18Z", "ms": 2419203797675.9395 }, "end": { "local": "2046-08-31T00:55:19+03:00", "utc": "2046-08-30T21:55:19Z", "ms": 2419278918918.1377 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-08-29", "window": { "start": { "local": "2046-08-29T19:21:02+03:00", "utc": "2046-08-29T16:21:02Z", "ms": 2419172461609.6406 }, "end": { "local": "2046-08-29T20:50:24+03:00", "utc": "2046-08-29T17:50:24Z", "ms": 2419177824398.238 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "2046-08-30", "window": { "start": { "local": "2046-08-30T19:19:52+03:00", "utc": "2046-08-30T16:19:52Z", "ms": 2419258791867.285 }, "end": { "local": "2046-08-30T20:49:28+03:00", "utc": "2046-08-30T17:49:28Z", "ms": 2419264168351.2905 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:03 on Thu 30 Aug to 00:55 on Fri 31 Aug.", "fact": "2046-08-30T01:03:18Z → 2046-08-30T21:55:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:21–20:50 on the 29th, 19:20–20:49 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 29th and 90 of 90 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14751 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Giza, 2046: Thursday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-30", "confidence": "determinate" } ], "quote": "In Giza, Aghora Caturdaśī 2046 falls on Thursday 30 August. Caturdaśī runs from 04:03 on Thu 30 Aug to 00:55 on Fri 31 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/shivaratri?on=2046-08-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1405, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-08-30T04:03:18+03:00", "utc": "2046-08-30T01:03:18Z", "ms": 2419203797675.9395 }, "end": { "local": "2046-08-31T00:55:19+03:00", "utc": "2046-08-30T21:55:19Z", "ms": 2419278918918.1377 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-30T04:03:18+03:00", "utc": "2046-08-30T01:03:18Z", "ms": 2419203797675.9395 }, "end": { "local": "2046-08-31T00:55:19+03:00", "utc": "2046-08-30T21:55:19Z", "ms": 2419278918918.1377 } }, "kaala": "nishita", "days": [ { "local_date": "2046-08-29", "window": { "start": { "local": "2046-08-30T00:32:12+03:00", "utc": "2046-08-29T21:32:12Z", "ms": 2419191132066.88 }, "end": { "local": "2046-08-30T01:20:12+03:00", "utc": "2046-08-29T22:20:12Z", "ms": 2419194012066.88 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-08-30", "window": { "start": { "local": "2046-08-31T00:31:54+03:00", "utc": "2046-08-30T21:31:54Z", "ms": 2419277513682.3057 }, "end": { "local": "2046-08-31T01:19:54+03:00", "utc": "2046-08-30T22:19:54Z", "ms": 2419280393682.3057 } }, "covered_min": 23, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:03 on Thu 30 Aug to 00:55 on Fri 31 Aug.", "fact": "2046-08-30T01:03:18Z → 2046-08-30T21:55:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 29th, 00:32–01:20 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 29th and 23 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 1405 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Thursday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-08-30", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Thursday 30 August. Caturdaśī runs from 04:03 on Thu 30 Aug to 00:55 on Fri 31 Aug and covers 23 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15893, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2046-08-31T21:25:32+03:00", "utc": "2046-08-31T18:25:32Z", "ms": 2419352732061.1323 }, "end": { "local": "2046-09-01T17:43:53+03:00", "utc": "2046-09-01T14:43:53Z", "ms": 2419425833031.649 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-08-31T21:25:32+03:00", "utc": "2046-08-31T18:25:32Z", "ms": 2419352732061.1323 }, "end": { "local": "2046-09-01T17:43:53+03:00", "utc": "2046-09-01T14:43:53Z", "ms": 2419425833031.649 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-08-31", "window": { "start": { "local": "2046-08-31T12:31:19+03:00", "utc": "2046-08-31T09:31:19Z", "ms": 2419320678550.825 }, "end": { "local": "2046-08-31T13:19:19+03:00", "utc": "2046-08-31T10:19:19Z", "ms": 2419323558550.825 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-09-01", "window": { "start": { "local": "2046-09-01T12:31:00+03:00", "utc": "2046-09-01T09:31:00Z", "ms": 2419407059602.04 }, "end": { "local": "2046-09-01T13:19:00+03:00", "utc": "2046-09-01T10:19:00Z", "ms": 2419409939602.04 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:26 on Fri 31 Aug to 17:44 on Sat 1 Sep.", "fact": "2046-08-31T18:25:32Z → 2046-09-01T14:43:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 31st, 12:31–13:19 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15893 s" }, { "step": "ruling", "text": "Rudra Vrata, Giza, 2046: Saturday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-01", "confidence": "determinate" } ], "quote": "In Giza, Rudra Vrata 2046 falls on Saturday 1 September. Pratipadā runs from 21:26 on Fri 31 Aug to 17:44 on Sat 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7442, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-09-03T10:26:19+03:00", "utc": "2046-09-03T07:26:19Z", "ms": 2419572378925.7925 }, "end": { "local": "2046-09-04T07:10:36+03:00", "utc": "2046-09-04T04:10:36Z", "ms": 2419647036421.005 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-03T10:26:19+03:00", "utc": "2046-09-03T07:26:19Z", "ms": 2419572378925.7925 }, "end": { "local": "2046-09-04T07:10:36+03:00", "utc": "2046-09-04T04:10:36Z", "ms": 2419647036421.005 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-09-03", "window": { "start": { "local": "2046-09-03T12:30:21+03:00", "utc": "2046-09-03T09:30:21Z", "ms": 2419579820840.6167 }, "end": { "local": "2046-09-03T13:18:21+03:00", "utc": "2046-09-03T10:18:21Z", "ms": 2419582700840.6167 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-09-04", "window": { "start": { "local": "2046-09-04T12:30:01+03:00", "utc": "2046-09-04T09:30:01Z", "ms": 2419666201053.798 }, "end": { "local": "2046-09-04T13:18:01+03:00", "utc": "2046-09-04T10:18:01Z", "ms": 2419669081053.798 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:26 on Mon 3 Sep to 07:11 on Tue 4 Sep.", "fact": "2046-09-03T07:26:19Z → 2046-09-04T04:10:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 3rd, 12:30–13:18 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7442 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Giza, 2046: Monday 3 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": "2046-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-03", "confidence": "determinate" } ], "quote": "In Giza, Gaṇeśa Caturthī 2046 falls on Monday 3 September. Caturthī runs from 10:26 on Mon 3 Sep to 07:11 on Tue 4 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2522, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2046-09-02T14:00:42+03:00", "utc": "2046-09-02T11:00:42Z", "ms": 2419498842145.7188 }, "end": { "local": "2046-09-03T10:26:19+03:00", "utc": "2046-09-03T07:26:19Z", "ms": 2419572378925.7925 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-02T14:00:42+03:00", "utc": "2046-09-02T11:00:42Z", "ms": 2419498842145.7188 }, "end": { "local": "2046-09-03T10:26:19+03:00", "utc": "2046-09-03T07:26:19Z", "ms": 2419572378925.7925 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-09-02", "window": { "start": { "local": "2046-09-02T12:30:40+03:00", "utc": "2046-09-02T09:30:40Z", "ms": 2419493440361.168 }, "end": { "local": "2046-09-02T13:18:40+03:00", "utc": "2046-09-02T10:18:40Z", "ms": 2419496320361.168 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-09-03", "window": { "start": { "local": "2046-09-03T12:30:21+03:00", "utc": "2046-09-03T09:30:21Z", "ms": 2419579820840.6167 }, "end": { "local": "2046-09-03T13:18:21+03:00", "utc": "2046-09-03T10:18:21Z", "ms": 2419582700840.6167 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:01 on Sun 2 Sep to 10:26 on Mon 3 Sep.", "fact": "2046-09-02T11:00:42Z → 2046-09-03T07:26:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 2nd, 12:30–13:18 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 2522 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Giza, 2046: Monday 3 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-02", "confidence": "determinate" } ], "quote": "In Giza, Haritālikā Vrata (Hartalika Teej) 2046 falls on Monday 3 September. Tṛtīyā runs from 14:01 on Sun 2 Sep to 10:26 on Mon 3 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19165, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2046-09-04T07:10:36+03:00", "utc": "2046-09-04T04:10:36Z", "ms": 2419647036421.005 }, "end": { "local": "2046-09-05T04:22:32+03:00", "utc": "2046-09-05T01:22:32Z", "ms": 2419723352174.6514 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-04T07:10:36+03:00", "utc": "2046-09-04T04:10:36Z", "ms": 2419647036421.005 }, "end": { "local": "2046-09-05T04:22:32+03:00", "utc": "2046-09-05T01:22:32Z", "ms": 2419723352174.6514 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-09-04", "window": { "start": { "local": "2046-09-04T12:30:01+03:00", "utc": "2046-09-04T09:30:01Z", "ms": 2419666201053.798 }, "end": { "local": "2046-09-04T13:18:01+03:00", "utc": "2046-09-04T10:18:01Z", "ms": 2419669081053.798 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-09-05", "window": { "start": { "local": "2046-09-05T12:29:41+03:00", "utc": "2046-09-05T09:29:41Z", "ms": 2419752581015.3765 }, "end": { "local": "2046-09-05T13:17:41+03:00", "utc": "2046-09-05T10:17:41Z", "ms": 2419755461015.3765 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:11 on Tue 4 Sep to 04:23 on Wed 5 Sep.", "fact": "2046-09-04T04:10:36Z → 2046-09-05T01:22:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 4th, 12:30–13:18 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 19165 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Giza, 2046: Tuesday 4 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-04", "confidence": "determinate" } ], "quote": "In Giza, Ṛṣi Pañcamī 2046 falls on Tuesday 4 September. Pañcamī runs from 07:11 on Tue 4 Sep to 04:23 on Wed 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29229, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2046-09-05T04:22:32+03:00", "utc": "2046-09-05T01:22:32Z", "ms": 2419723352174.6514 }, "end": { "local": "2046-09-06T02:09:35+03:00", "utc": "2046-09-05T23:09:35Z", "ms": 2419801774761.655 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-05T04:22:32+03:00", "utc": "2046-09-05T01:22:32Z", "ms": 2419723352174.6514 }, "end": { "local": "2046-09-06T02:09:35+03:00", "utc": "2046-09-05T23:09:35Z", "ms": 2419801774761.655 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-09-05", "window": { "start": { "local": "2046-09-05T12:29:41+03:00", "utc": "2046-09-05T09:29:41Z", "ms": 2419752581015.3765 }, "end": { "local": "2046-09-05T13:17:41+03:00", "utc": "2046-09-05T10:17:41Z", "ms": 2419755461015.3765 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-09-06", "window": { "start": { "local": "2046-09-06T12:29:21+03:00", "utc": "2046-09-06T09:29:21Z", "ms": 2419838960741.3345 }, "end": { "local": "2046-09-06T13:17:21+03:00", "utc": "2046-09-06T10:17:21Z", "ms": 2419841840741.3345 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 04:23 on Wed 5 Sep to 02:10 on Thu 6 Sep.", "fact": "2046-09-05T01:22:32Z → 2046-09-05T23:09:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 5th, 12:29–13:17 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29229 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Giza, 2046: Wednesday 5 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-05", "confidence": "determinate" } ], "quote": "In Giza, Sūrya Ṣaṣṭhī (Bhādrapada) 2046 falls on Wednesday 5 September. Ṣaṣṭhī runs from 04:23 on Wed 5 Sep to 02:10 on Thu 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37186, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2046-09-06T02:09:35+03:00", "utc": "2046-09-05T23:09:35Z", "ms": 2419801774761.655 }, "end": { "local": "2046-09-07T00:37:08+03:00", "utc": "2046-09-06T21:37:08Z", "ms": 2419882628017.564 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-06T02:09:35+03:00", "utc": "2046-09-05T23:09:35Z", "ms": 2419801774761.655 }, "end": { "local": "2046-09-07T00:37:08+03:00", "utc": "2046-09-06T21:37:08Z", "ms": 2419882628017.564 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-09-06", "window": { "start": { "local": "2046-09-06T12:29:21+03:00", "utc": "2046-09-06T09:29:21Z", "ms": 2419838960741.3345 }, "end": { "local": "2046-09-06T13:17:21+03:00", "utc": "2046-09-06T10:17:21Z", "ms": 2419841840741.3345 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-09-07", "window": { "start": { "local": "2046-09-07T12:29:00+03:00", "utc": "2046-09-07T09:29:00Z", "ms": 2419925340248.9087 }, "end": { "local": "2046-09-07T13:17:00+03:00", "utc": "2046-09-07T10:17:00Z", "ms": 2419928220248.9087 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:10 on Thu 6 Sep to 00:37 on Fri 7 Sep.", "fact": "2046-09-05T23:09:35Z → 2046-09-06T21:37:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 6th, 12:29–13:17 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37186 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Giza, 2046: Thursday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-06", "confidence": "determinate" } ], "quote": "In Giza, Muktābharaṇa Vrata 2046 falls on Thursday 6 September. Saptamī runs from 02:10 on Thu 6 Sep to 00:37 on Fri 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37859, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2046-09-07T00:37:08+03:00", "utc": "2046-09-06T21:37:08Z", "ms": 2419882628017.564 }, "end": { "local": "2046-09-07T23:47:59+03:00", "utc": "2046-09-07T20:47:59Z", "ms": 2419966079225.237 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-07T00:37:08+03:00", "utc": "2046-09-06T21:37:08Z", "ms": 2419882628017.564 }, "end": { "local": "2046-09-07T23:47:59+03:00", "utc": "2046-09-07T20:47:59Z", "ms": 2419966079225.237 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-09-06", "window": { "start": { "local": "2046-09-06T12:29:21+03:00", "utc": "2046-09-06T09:29:21Z", "ms": 2419838960741.3345 }, "end": { "local": "2046-09-06T13:17:21+03:00", "utc": "2046-09-06T10:17:21Z", "ms": 2419841840741.3345 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-09-07", "window": { "start": { "local": "2046-09-07T12:29:00+03:00", "utc": "2046-09-07T09:29:00Z", "ms": 2419925340248.9087 }, "end": { "local": "2046-09-07T13:17:00+03:00", "utc": "2046-09-07T10:17:00Z", "ms": 2419928220248.9087 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:37 on Fri 7 Sep to 23:48 on Fri 7 Sep.", "fact": "2046-09-06T21:37:08Z → 2046-09-07T20:47:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 6th, 12:29–13:17 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37859 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Giza, 2046: Friday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-07", "confidence": "determinate" } ], "quote": "In Giza, Rādhāṣṭamī 2046 falls on Friday 7 September. Aṣṭamī runs from 00:37 on Fri 7 Sep to 23:48 on Fri 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-09-10", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18740, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-09-10T00:16:16+03:00", "utc": "2046-09-09T21:16:16Z", "ms": 2420140576358.128 }, "end": { "local": "2046-09-11T01:25:32+03:00", "utc": "2046-09-10T22:25:32Z", "ms": 2420231131794.4395 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-10T00:16:16+03:00", "utc": "2046-09-09T21:16:16Z", "ms": 2420140576358.128 }, "end": { "local": "2046-09-11T01:25:32+03:00", "utc": "2046-09-10T22:25:32Z", "ms": 2420231131794.4395 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-09-10", "window": { "start": { "local": "2046-09-10T06:37:20+03:00", "utc": "2046-09-10T03:37:20Z", "ms": 2420163439738.4604 }, "end": { "local": "2046-09-10T06:37:20+03:00", "utc": "2046-09-10T03:37:20Z", "ms": 2420163439738.4604 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-09-11", "window": { "start": { "local": "2046-09-11T06:37:52+03:00", "utc": "2046-09-11T03:37:52Z", "ms": 2420249871766.6675 }, "end": { "local": "2046-09-11T06:37:52+03:00", "utc": "2046-09-11T03:37:52Z", "ms": 2420249871766.6675 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:16 on Mon 10 Sep to 01:26 on Tue 11 Sep.", "fact": "2046-09-09T21:16:16Z → 2046-09-10T22:25:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 10th and 06:38 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18740 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Giza, 2046: Monday 10 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": "2046-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-10", "confidence": "determinate" } ], "quote": "In Giza, Parivartanī Ekādaśī 2046 falls on Monday 10 September. Ekādaśī runs from 00:16 on Mon 10 Sep to 01:26 on Tue 11 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-09-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33844, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2046-09-11T01:25:32+03:00", "utc": "2046-09-10T22:25:32Z", "ms": 2420231131794.4395 }, "end": { "local": "2046-09-12T03:03:11+03:00", "utc": "2046-09-12T00:03:11Z", "ms": 2420323391274.132 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-11T01:25:32+03:00", "utc": "2046-09-10T22:25:32Z", "ms": 2420231131794.4395 }, "end": { "local": "2046-09-12T03:03:11+03:00", "utc": "2046-09-12T00:03:11Z", "ms": 2420323391274.132 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-09-11", "window": { "start": { "local": "2046-09-11T12:27:36+03:00", "utc": "2046-09-11T09:27:36Z", "ms": 2420270856476.304 }, "end": { "local": "2046-09-11T13:15:36+03:00", "utc": "2046-09-11T10:15:36Z", "ms": 2420273736476.304 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-09-12", "window": { "start": { "local": "2046-09-12T12:27:15+03:00", "utc": "2046-09-12T09:27:15Z", "ms": 2420357235184.916 }, "end": { "local": "2046-09-12T13:15:15+03:00", "utc": "2046-09-12T10:15:15Z", "ms": 2420360115184.916 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:26 on Tue 11 Sep to 03:03 on Wed 12 Sep.", "fact": "2046-09-10T22:25:32Z → 2046-09-12T00:03:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 11th, 12:27–13:15 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33844 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Giza, 2046: Tuesday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-11", "confidence": "determinate" } ], "quote": "In Giza, Vāmana Jayantī 2046 falls on Tuesday 11 September. Dvādaśī runs from 01:26 on Tue 11 Sep to 03:03 on Wed 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/pradosha-vrata?on=2046-09-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23126, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-09-12T03:03:11+03:00", "utc": "2046-09-12T00:03:11Z", "ms": 2420323391274.132 }, "end": { "local": "2046-09-13T05:02:17+03:00", "utc": "2046-09-13T02:02:17Z", "ms": 2420416936851.3813 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-12T03:03:11+03:00", "utc": "2046-09-12T00:03:11Z", "ms": 2420323391274.132 }, "end": { "local": "2046-09-13T05:02:17+03:00", "utc": "2046-09-13T02:02:17Z", "ms": 2420416936851.3813 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-09-11", "window": { "start": { "local": "2046-09-11T19:05:21+03:00", "utc": "2046-09-11T16:05:21Z", "ms": 2420294721185.941 }, "end": { "local": "2046-09-11T20:37:46+03:00", "utc": "2046-09-11T17:37:46Z", "ms": 2420300265530.351 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2046-09-12", "window": { "start": { "local": "2046-09-12T19:04:07+03:00", "utc": "2046-09-12T16:04:07Z", "ms": 2420381046600.8135 }, "end": { "local": "2046-09-12T20:36:45+03:00", "utc": "2046-09-12T17:36:45Z", "ms": 2420386605155.3687 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:03 on Wed 12 Sep to 05:02 on Thu 13 Sep.", "fact": "2046-09-12T00:03:11Z → 2046-09-13T02:02:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:05–20:38 on the 11th, 19:04–20:37 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 11th and 93 of 93 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23126 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Wednesday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-12", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Wednesday 12 September. Trayodaśī runs from 03:03 on Wed 12 Sep to 05:02 on Thu 13 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2209, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-09-13T05:02:17+03:00", "utc": "2046-09-13T02:02:17Z", "ms": 2420416936851.3813 }, "end": { "local": "2046-09-14T07:16:17+03:00", "utc": "2046-09-14T04:16:17Z", "ms": 2420511376755.024 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2046-09-13T05:02:17+03:00", "utc": "2046-09-13T02:02:17Z", "ms": 2420416936851.3813 }, "end": { "local": "2046-09-14T07:16:17+03:00", "utc": "2046-09-14T04:16:17Z", "ms": 2420511376755.024 } }, "kaala": "udaya-3", "days": [ { "local_date": "2046-09-13", "window": { "start": { "local": "2046-09-13T06:38:56+03:00", "utc": "2046-09-13T03:38:56Z", "ms": 2420422735759.976 }, "end": { "local": "2046-09-13T09:07:43+03:00", "utc": "2046-09-13T06:07:43Z", "ms": 2420431662974.6157 } }, "covered_min": 149, "window_min": 149, "qualifies": true }, { "local_date": "2046-09-14", "window": { "start": { "local": "2046-09-14T06:39:28+03:00", "utc": "2046-09-14T03:39:28Z", "ms": 2420509167756.109 }, "end": { "local": "2046-09-14T09:07:54+03:00", "utc": "2046-09-14T06:07:54Z", "ms": 2420518073587.364 } }, "covered_min": 37, "window_min": 148, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:02 on Thu 13 Sep to 07:16 on Fri 14 Sep.", "fact": "2046-09-13T02:02:17Z → 2046-09-14T04:16:17Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:39–09:08 on the 13th, 06:39–09:08 on the 14th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 149 of 149 minutes on the 13th and 37 of 148 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2209 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Giza, 2046: Thursday 13 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": "2046-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-13", "confidence": "determinate" } ], "quote": "In Giza, Ananta Caturdaśī 2046 falls on Thursday 13 September. Caturdaśī runs from 05:02 on Thu 13 Sep to 07:16 on Fri 14 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-09-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6805, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-09-18T16:54:36+03:00", "utc": "2046-09-18T13:54:36Z", "ms": 2420891676146.059 }, "end": { "local": "2046-09-19T19:03:47+03:00", "utc": "2046-09-19T16:03:47Z", "ms": 2420985826813.438 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-09-18T16:54:36+03:00", "utc": "2046-09-18T13:54:36Z", "ms": 2420891676146.059 }, "end": { "local": "2046-09-19T19:03:47+03:00", "utc": "2046-09-19T16:03:47Z", "ms": 2420985826813.438 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-09-18", "window": { "start": { "local": "2046-09-18T20:22:02+03:00", "utc": "2046-09-18T17:22:02Z", "ms": 2420904121773.8755 }, "end": { "local": "2046-09-18T20:22:02+03:00", "utc": "2046-09-18T17:22:02Z", "ms": 2420904121773.8755 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-09-19", "window": { "start": { "local": "2046-09-19T20:57:12+03:00", "utc": "2046-09-19T17:57:12Z", "ms": 2420992632290.01 }, "end": { "local": "2046-09-19T20:57:12+03:00", "utc": "2046-09-19T17:57:12Z", "ms": 2420992632290.01 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:55 on Tue 18 Sep to 19:04 on Wed 19 Sep.", "fact": "2046-09-18T13:54:36Z → 2046-09-19T16:03:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 18th and 20:57 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6805 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Tuesday 18 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": "2046-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-18", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Tuesday 18 September. Caturthī runs from 16:55 on Tue 18 Sep to 19:04 on Wed 19 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-09-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 382, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2046-09-20T20:54:00+03:00", "utc": "2046-09-20T17:54:00Z", "ms": 2421078840287.8457 }, "end": { "local": "2046-09-21T22:17:26+03:00", "utc": "2046-09-21T19:17:26Z", "ms": 2421170246489.624 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-09-20T20:54:00+03:00", "utc": "2046-09-20T17:54:00Z", "ms": 2421078840287.8457 }, "end": { "local": "2046-09-21T22:17:26+03:00", "utc": "2046-09-21T19:17:26Z", "ms": 2421170246489.624 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-09-20", "window": { "start": { "local": "2046-09-20T21:37:27+03:00", "utc": "2046-09-20T18:37:27Z", "ms": 2421081447414.7583 }, "end": { "local": "2046-09-20T21:37:27+03:00", "utc": "2046-09-20T18:37:27Z", "ms": 2421081447414.7583 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-09-21", "window": { "start": { "local": "2046-09-21T22:23:49+03:00", "utc": "2046-09-21T19:23:49Z", "ms": 2421170628532.5303 }, "end": { "local": "2046-09-21T22:23:49+03:00", "utc": "2046-09-21T19:23:49Z", "ms": 2421170628532.5303 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:54 on Thu 20 Sep to 22:17 on Fri 21 Sep.", "fact": "2046-09-20T17:54:00Z → 2046-09-21T19:17:26Z" }, { "step": "kaala", "text": "Moonrise is at 21:37 on the 20th and 22:24 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 382 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Giza, 2046: Thursday 20 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": "2046-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-20", "confidence": "determinate" } ], "quote": "In Giza, Candra Ṣaṣṭhī 2046 falls on Thursday 20 September. Ṣaṣṭhī runs from 20:54 on Thu 20 Sep to 22:17 on Fri 21 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 620, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2046-09-22T23:06:23+03:00", "utc": "2046-09-22T20:06:23Z", "ms": 2421259583041.6094 }, "end": { "local": "2046-09-23T23:14:22+03:00", "utc": "2046-09-23T20:14:22Z", "ms": 2421346462098.9766 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-09-22T23:06:23+03:00", "utc": "2046-09-22T20:06:23Z", "ms": 2421259583041.6094 }, "end": { "local": "2046-09-23T23:14:22+03:00", "utc": "2046-09-23T20:14:22Z", "ms": 2421346462098.9766 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-09-22", "window": { "start": { "local": "2046-09-22T23:16:43+03:00", "utc": "2046-09-22T20:16:43Z", "ms": 2421260202678.6733 }, "end": { "local": "2046-09-22T23:16:43+03:00", "utc": "2046-09-22T20:16:43Z", "ms": 2421260202678.6733 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-09-23", "window": { "start": { "local": "2046-09-24T00:15:41+03:00", "utc": "2046-09-23T21:15:41Z", "ms": 2421350141279.568 }, "end": { "local": "2046-09-24T00:15:41+03:00", "utc": "2046-09-23T21:15:41Z", "ms": 2421350141279.568 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:06 on Sat 22 Sep to 23:14 on Sun 23 Sep.", "fact": "2046-09-22T20:06:23Z → 2046-09-23T20:14:22Z" }, { "step": "kaala", "text": "Moonrise is at 23:17 on the 22nd and 00:16 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 620 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Giza, 2046: Saturday 22 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": "2046-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-22", "confidence": "determinate" } ], "quote": "In Giza, Mahālakṣmī Vrata Samāpana 2046 falls on Saturday 22 September. Aṣṭamī runs from 23:06 on Sat 22 Sep to 23:14 on Sun 23 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9586, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2046-09-22T23:06:23+03:00", "utc": "2046-09-22T20:06:23Z", "ms": 2421259583041.6094 }, "end": { "local": "2046-09-23T23:14:22+03:00", "utc": "2046-09-23T20:14:22Z", "ms": 2421346462098.9766 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-09-22T23:06:23+03:00", "utc": "2046-09-22T20:06:23Z", "ms": 2421259583041.6094 }, "end": { "local": "2046-09-23T23:14:22+03:00", "utc": "2046-09-23T20:14:22Z", "ms": 2421346462098.9766 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-09-22", "window": { "start": { "local": "2046-09-22T18:51:36+03:00", "utc": "2046-09-22T15:51:36Z", "ms": 2421244295523.0166 }, "end": { "local": "2046-09-22T20:26:37+03:00", "utc": "2046-09-22T17:26:37Z", "ms": 2421249997267.957 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2046-09-23", "window": { "start": { "local": "2046-09-23T18:50:21+03:00", "utc": "2046-09-23T15:50:21Z", "ms": 2421330620533.9487 }, "end": { "local": "2046-09-23T20:25:37+03:00", "utc": "2046-09-23T17:25:37Z", "ms": 2421336336668.0493 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:06 on Sat 22 Sep to 23:14 on Sun 23 Sep.", "fact": "2046-09-22T20:06:23Z → 2046-09-23T20:14:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:27 on the 22nd, 18:50–20:26 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 95 minutes on the 22nd and 95 of 95 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9586 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Giza, 2046: Sunday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-23", "confidence": "determinate" } ], "quote": "In Giza, Jitāṣṭamī (Jitiya) 2046 falls on Sunday 23 September. Aṣṭamī runs from 23:06 on Sat 22 Sep to 23:14 on Sun 23 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-09-26", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34330, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-09-25T21:13:48+03:00", "utc": "2046-09-25T18:13:48Z", "ms": 2421512027998.0923 }, "end": { "local": "2046-09-26T19:06:07+03:00", "utc": "2046-09-26T16:06:07Z", "ms": 2421590766736.7363 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-09-25T21:13:48+03:00", "utc": "2046-09-25T18:13:48Z", "ms": 2421512027998.0923 }, "end": { "local": "2046-09-26T19:06:07+03:00", "utc": "2046-09-26T16:06:07Z", "ms": 2421590766736.7363 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-09-26", "window": { "start": { "local": "2046-09-26T06:45:58+03:00", "utc": "2046-09-26T03:45:58Z", "ms": 2421546357939.4517 }, "end": { "local": "2046-09-26T06:45:58+03:00", "utc": "2046-09-26T03:45:58Z", "ms": 2421546357939.4517 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-09-27", "window": { "start": { "local": "2046-09-27T06:46:31+03:00", "utc": "2046-09-27T03:46:31Z", "ms": 2421632791432.684 }, "end": { "local": "2046-09-27T06:46:31+03:00", "utc": "2046-09-27T03:46:31Z", "ms": 2421632791432.684 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:14 on Tue 25 Sep to 19:06 on Wed 26 Sep.", "fact": "2046-09-25T18:13:48Z → 2046-09-26T16:06:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 26th and 06:47 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34330 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Giza, 2046: Wednesday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-26", "confidence": "determinate" } ], "quote": "In Giza, Indirā Ekādaśī 2046 falls on Wednesday 26 September. Ekādaśī runs from 21:14 on Tue 25 Sep to 19:06 on Wed 26 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-09-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-09-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8773, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-09-27T16:19:09+03:00", "utc": "2046-09-27T13:19:09Z", "ms": 2421667149465.636 }, "end": { "local": "2046-09-28T13:00:22+03:00", "utc": "2046-09-28T10:00:22Z", "ms": 2421741622284.786 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-09-27T16:19:09+03:00", "utc": "2046-09-27T13:19:09Z", "ms": 2421667149465.636 }, "end": { "local": "2046-09-28T13:00:22+03:00", "utc": "2046-09-28T10:00:22Z", "ms": 2421741622284.786 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-09-27", "window": { "start": { "local": "2046-09-27T18:45:22+03:00", "utc": "2046-09-27T15:45:22Z", "ms": 2421675922236.9517 }, "end": { "local": "2046-09-27T20:21:36+03:00", "utc": "2046-09-27T17:21:36Z", "ms": 2421681695956.6616 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2046-09-28", "window": { "start": { "local": "2046-09-28T18:44:08+03:00", "utc": "2046-09-28T15:44:08Z", "ms": 2421762248214.566 }, "end": { "local": "2046-09-28T20:20:36+03:00", "utc": "2046-09-28T17:20:36Z", "ms": 2421768036326.509 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:19 on Thu 27 Sep to 13:00 on Fri 28 Sep.", "fact": "2046-09-27T13:19:09Z → 2046-09-28T10:00:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:22 on the 27th, 18:44–20:21 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 27th and 0 of 96 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8773 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Thursday 27 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": "2046-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-27", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Thursday 27 September. Trayodaśī runs from 16:19 on Thu 27 Sep to 13:00 on Fri 28 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-09-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-09-28", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29348, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-09-28T13:00:22+03:00", "utc": "2046-09-28T10:00:22Z", "ms": 2421741622284.786 }, "end": { "local": "2046-09-29T09:19:01+03:00", "utc": "2046-09-29T06:19:01Z", "ms": 2421814741216.465 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-09-28T13:00:22+03:00", "utc": "2046-09-28T10:00:22Z", "ms": 2421741622284.786 }, "end": { "local": "2046-09-29T09:19:01+03:00", "utc": "2046-09-29T06:19:01Z", "ms": 2421814741216.465 } }, "kaala": "nishita", "days": [ { "local_date": "2046-09-27", "window": { "start": { "local": "2046-09-28T00:22:14+03:00", "utc": "2046-09-27T21:22:14Z", "ms": 2421696133685.8643 }, "end": { "local": "2046-09-28T01:10:14+03:00", "utc": "2046-09-27T22:10:14Z", "ms": 2421699013685.8643 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-09-28", "window": { "start": { "local": "2046-09-29T00:21:54+03:00", "utc": "2046-09-28T21:21:54Z", "ms": 2421782513634.3525 }, "end": { "local": "2046-09-29T01:09:54+03:00", "utc": "2046-09-28T22:09:54Z", "ms": 2421785393634.3525 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:00 on Fri 28 Sep to 09:19 on Sat 29 Sep.", "fact": "2046-09-28T10:00:22Z → 2046-09-29T06:19:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 27th, 00:22–01:10 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "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 29348 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Friday 28 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-28", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Friday 28 September. Caturdaśī runs from 13:00 on Fri 28 Sep to 09:19 on Sat 29 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16667, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2046-09-29T09:19:01+03:00", "utc": "2046-09-29T06:19:01Z", "ms": 2421814741216.465 }, "end": { "local": "2046-09-30T05:25:37+03:00", "utc": "2046-09-30T02:25:37Z", "ms": 2421887136924.5044 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-09-29T09:19:01+03:00", "utc": "2046-09-29T06:19:01Z", "ms": 2421814741216.465 }, "end": { "local": "2046-09-30T05:25:37+03:00", "utc": "2046-09-30T02:25:37Z", "ms": 2421887136924.5044 } }, "kaala": "aparahna", "days": [ { "local_date": "2046-09-29", "window": { "start": { "local": "2046-09-29T13:56:48+03:00", "utc": "2046-09-29T10:56:48Z", "ms": 2421831408300.4 }, "end": { "local": "2046-09-29T16:19:51+03:00", "utc": "2046-09-29T13:19:51Z", "ms": 2421839991382.487 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "2046-09-30", "window": { "start": { "local": "2046-09-30T13:56:18+03:00", "utc": "2046-09-30T10:56:18Z", "ms": 2421917777886.0015 }, "end": { "local": "2046-09-30T16:18:59+03:00", "utc": "2046-09-30T13:18:59Z", "ms": 2421926339448.619 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 09:19 on Sat 29 Sep to 05:26 on Sun 30 Sep.", "fact": "2046-09-29T06:19:01Z → 2046-09-30T02:25:37Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:57–16:20 on the 29th, 13:56–16:19 on the 30th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 143 of 143 minutes on the 29th and 0 of 143 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16667 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Giza, 2046: Saturday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-29", "confidence": "determinate" } ], "quote": "In Giza, Mahālaya Amāvāsyā 2046 falls on Saturday 29 September. Amāvasyā runs from 09:19 on Sat 29 Sep to 05:26 on Sun 30 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24920, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2046-09-30T05:25:37+03:00", "utc": "2046-09-30T02:25:37Z", "ms": 2421887136924.5044 }, "end": { "local": "2046-10-01T01:31:23+03:00", "utc": "2046-09-30T22:31:23Z", "ms": 2421959483370.1353 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-09-30T05:25:37+03:00", "utc": "2046-09-30T02:25:37Z", "ms": 2421887136924.5044 }, "end": { "local": "2046-10-01T01:31:23+03:00", "utc": "2046-09-30T22:31:23Z", "ms": 2421959483370.1353 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-09-30", "window": { "start": { "local": "2046-09-30T12:20:57+03:00", "utc": "2046-09-30T09:20:57Z", "ms": 2421912057104.693 }, "end": { "local": "2046-09-30T13:08:57+03:00", "utc": "2046-09-30T10:08:57Z", "ms": 2421914937104.693 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-10-01", "window": { "start": { "local": "2046-10-01T12:20:38+03:00", "utc": "2046-10-01T09:20:38Z", "ms": 2421998437725.986 }, "end": { "local": "2046-10-01T13:08:38+03:00", "utc": "2046-10-01T10:08:38Z", "ms": 2422001317725.986 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:26 on Sun 30 Sep to 01:31 on Mon 1 Oct.", "fact": "2046-09-30T02:25:37Z → 2046-09-30T22:31:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 30th, 12:21–13:09 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24920 s" }, { "step": "ruling", "text": "Navarātrārambha, Giza, 2046: Sunday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-09-30", "confidence": "determinate" } ], "quote": "In Giza, Navarātrārambha (Navratri) 2046 falls on Sunday 30 September. Pratipadā runs from 05:26 on Sun 30 Sep to 01:31 on Mon 1 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-10-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8922, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-10-02T18:26:08+03:00", "utc": "2046-10-02T15:26:08Z", "ms": 2422106767504.362 }, "end": { "local": "2046-10-03T15:36:42+03:00", "utc": "2046-10-03T12:36:42Z", "ms": 2422183001833.318 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-10-02T18:26:08+03:00", "utc": "2046-10-02T15:26:08Z", "ms": 2422106767504.362 }, "end": { "local": "2046-10-03T15:36:42+03:00", "utc": "2046-10-03T12:36:42Z", "ms": 2422183001833.318 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-10-02", "window": { "start": { "local": "2046-10-02T12:20:19+03:00", "utc": "2046-10-02T09:20:19Z", "ms": 2422084818638.538 }, "end": { "local": "2046-10-02T13:08:19+03:00", "utc": "2046-10-02T10:08:19Z", "ms": 2422087698638.538 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-10-03", "window": { "start": { "local": "2046-10-03T12:20:00+03:00", "utc": "2046-10-03T09:20:00Z", "ms": 2422171199858.131 }, "end": { "local": "2046-10-03T13:08:00+03:00", "utc": "2046-10-03T10:08:00Z", "ms": 2422174079858.131 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:26 on Tue 2 Oct to 15:37 on Wed 3 Oct.", "fact": "2046-10-02T15:26:08Z → 2046-10-03T12:36:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 2nd, 12:20–13:08 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8922 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Wednesday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-03", "confidence": "determinate" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Wednesday 3 October. Caturthī runs from 18:26 on Tue 2 Oct to 15:37 on Wed 3 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14328, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2046-10-05T12:07:32+03:00", "utc": "2046-10-05T09:07:32Z", "ms": 2422343252308.6636 }, "end": { "local": "2046-10-06T11:37:22+03:00", "utc": "2046-10-06T08:37:22Z", "ms": 2422427841927.0503 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-10-05T12:07:32+03:00", "utc": "2046-10-05T09:07:32Z", "ms": 2422343252308.6636 }, "end": { "local": "2046-10-06T11:37:22+03:00", "utc": "2046-10-06T08:37:22Z", "ms": 2422427841927.0503 } }, "kaala": "udaya-1", "days": [ { "local_date": "2046-10-05", "window": { "start": { "local": "2046-10-05T06:51:08+03:00", "utc": "2046-10-05T03:51:08Z", "ms": 2422324267522.2515 }, "end": { "local": "2046-10-05T07:38:06+03:00", "utc": "2046-10-05T04:38:06Z", "ms": 2422327085624.0527 } }, "covered_min": 0, "window_min": 47, "qualifies": false }, { "local_date": "2046-10-06", "window": { "start": { "local": "2046-10-06T06:51:43+03:00", "utc": "2046-10-06T03:51:43Z", "ms": 2422410703160.503 }, "end": { "local": "2046-10-06T07:38:34+03:00", "utc": "2046-10-06T04:38:34Z", "ms": 2422413514143.0806 } }, "covered_min": 47, "window_min": 47, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:08 on Fri 5 Oct to 11:37 on Sat 6 Oct.", "fact": "2046-10-05T09:07:32Z → 2046-10-06T08:37:22Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:51–07:38 on the 5th, 06:52–07:39 on the 6th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 47 minutes on the 5th and 47 of 47 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14328 s" }, { "step": "ruling", "text": "Durgā Saptamī, Giza, 2046: Saturday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-06", "confidence": "determinate" } ], "quote": "In Giza, Durgā Saptamī 2046 falls on Saturday 6 October. Saptamī runs from 12:08 on Fri 5 Oct to 11:37 on Sat 6 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1304, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2046-10-06T11:37:22+03:00", "utc": "2046-10-06T08:37:22Z", "ms": 2422427841927.0503 }, "end": { "local": "2046-10-07T11:57:04+03:00", "utc": "2046-10-07T08:57:04Z", "ms": 2422515424155.7886 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-10-06T11:37:22+03:00", "utc": "2046-10-06T08:37:22Z", "ms": 2422427841927.0503 }, "end": { "local": "2046-10-07T11:57:04+03:00", "utc": "2046-10-07T08:57:04Z", "ms": 2422515424155.7886 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-10-06", "window": { "start": { "local": "2046-10-06T12:19:06+03:00", "utc": "2046-10-06T09:19:06Z", "ms": 2422430345529.8345 }, "end": { "local": "2046-10-06T13:07:06+03:00", "utc": "2046-10-06T10:07:06Z", "ms": 2422433225529.8345 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-10-07", "window": { "start": { "local": "2046-10-07T12:18:48+03:00", "utc": "2046-10-07T09:18:48Z", "ms": 2422516728152.878 }, "end": { "local": "2046-10-07T13:06:48+03:00", "utc": "2046-10-07T10:06:48Z", "ms": 2422519608152.878 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:37 on Sat 6 Oct to 11:57 on Sun 7 Oct.", "fact": "2046-10-06T08:37:22Z → 2046-10-07T08:57:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 6th, 12:19–13:07 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 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 1304 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Giza, 2046: Saturday 6 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": "2046-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-07", "confidence": "boundary" } ], "quote": "In Giza, Mahāṣṭamī (Durga Ashtami) 2046 falls on Saturday 6 October. Aṣṭamī runs from 11:37 on Sat 6 Oct to 11:57 on Sun 7 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-07", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 280, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2046-10-07T11:57:04+03:00", "utc": "2046-10-07T08:57:04Z", "ms": 2422515424155.7886 }, "end": { "local": "2046-10-08T13:01:51+03:00", "utc": "2046-10-08T10:01:51Z", "ms": 2422605711032.4844 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-10-07T11:57:04+03:00", "utc": "2046-10-07T08:57:04Z", "ms": 2422515424155.7886 }, "end": { "local": "2046-10-08T13:01:51+03:00", "utc": "2046-10-08T10:01:51Z", "ms": 2422605711032.4844 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-10-07", "window": { "start": { "local": "2046-10-07T12:18:48+03:00", "utc": "2046-10-07T09:18:48Z", "ms": 2422516728152.878 }, "end": { "local": "2046-10-07T13:06:48+03:00", "utc": "2046-10-07T10:06:48Z", "ms": 2422519608152.878 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-10-08", "window": { "start": { "local": "2046-10-08T12:18:31+03:00", "utc": "2046-10-08T09:18:31Z", "ms": 2422603111174.834 }, "end": { "local": "2046-10-08T13:06:31+03:00", "utc": "2046-10-08T10:06:31Z", "ms": 2422605991174.834 } }, "covered_min": 43, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:57 on Sun 7 Oct to 13:02 on Mon 8 Oct.", "fact": "2046-10-07T08:57:04Z → 2046-10-08T10:01:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 7th, 12:19–13:07 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 43 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 280 s < 300 s" }, { "step": "ruling", "text": "Mahānavamī, Giza, 2046: Sunday 7 October.", "fact": "confidence: boundary (margin)" } ], "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": "2046-10-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-07", "confidence": "determinate" } ], "quote": "In Giza, Mahānavamī 2046 falls on Sunday 7 October. Navamī runs from 11:57 on Sun 7 Oct to 13:02 on Mon 8 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 43 minutes; by the rule the first midday is taken. It is 4 min 40 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-09", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 11298, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2046-10-08T13:01:51+03:00", "utc": "2046-10-08T10:01:51Z", "ms": 2422605711032.4844 }, "end": { "local": "2046-10-09T14:43:31+03:00", "utc": "2046-10-09T11:43:31Z", "ms": 2422698211463.9126 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2046-10-08T15:23:49+03:00", "utc": "2046-10-08T12:23:49Z", "ms": 2422614229342.321 }, "end": { "local": "2046-10-09T14:43:31+03:00", "utc": "2046-10-09T11:43:31Z", "ms": 2422698211463.9126 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2046-10-08T15:23:49+03:00", "utc": "2046-10-08T12:23:49Z", "ms": 2422614229342.321 }, "end": { "local": "2046-10-09T17:41:11+03:00", "utc": "2046-10-09T14:41:11Z", "ms": 2422708871053.1616 } } }, "kaala": "daytime", "days": [ { "local_date": "2046-10-08", "window": { "start": { "local": "2046-10-08T06:52:55+03:00", "utc": "2046-10-08T03:52:55Z", "ms": 2422583575286.399 }, "end": { "local": "2046-10-08T18:32:07+03:00", "utc": "2046-10-08T15:32:07Z", "ms": 2422625527063.269 } }, "covered_min": 188, "window_min": 699, "qualifies": true }, { "local_date": "2046-10-09", "window": { "start": { "local": "2046-10-09T06:53:32+03:00", "utc": "2046-10-09T03:53:32Z", "ms": 2422670011796.65 }, "end": { "local": "2046-10-09T18:30:57+03:00", "utc": "2046-10-09T15:30:57Z", "ms": 2422711857435.5894 } }, "covered_min": 470, "window_min": 697, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Daśamī runs from 13:02 on Mon 8 Oct to 14:44 on Tue 9 Oct, and Śravaṇa from 15:24 on Mon 8 Oct to 17:41 on Tue 9 Oct. They are together from 15:24 on Mon 8 Oct to 14:44 on Tue 9 Oct.", "fact": "2046-10-08T12:23:49Z → 2046-10-09T11:43:31Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:53–18:32 on the 8th, 06:54–18:31 on the 9th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 188 of 699 minutes on the 8th and 470 of 697 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 11298 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Giza, 2046: Tuesday 9 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2046-10-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-09", "confidence": "boundary" } ], "quote": "In Giza, Vijayā Daśamī (Dussehra) 2046 falls on Tuesday 9 October. Daśamī runs from 13:02 on Mon 8 Oct to 14:44 on Tue 9 Oct and is with Śravaṇa in the day time that day, for 470 minutes. They are together in the day time on the previous day too, for 188 minutes; the rule does not say which to take, and the day they share longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-10-10", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28200, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-10-09T14:43:31+03:00", "utc": "2046-10-09T11:43:31Z", "ms": 2422698211463.9126 }, "end": { "local": "2046-10-10T16:51:52+03:00", "utc": "2046-10-10T13:51:52Z", "ms": 2422792311829.211 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-10-09T14:43:31+03:00", "utc": "2046-10-09T11:43:31Z", "ms": 2422698211463.9126 }, "end": { "local": "2046-10-10T16:51:52+03:00", "utc": "2046-10-10T13:51:52Z", "ms": 2422792311829.211 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-10-09", "window": { "start": { "local": "2046-10-09T06:53:32+03:00", "utc": "2046-10-09T03:53:32Z", "ms": 2422670011796.65 }, "end": { "local": "2046-10-09T06:53:32+03:00", "utc": "2046-10-09T03:53:32Z", "ms": 2422670011796.65 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-10-10", "window": { "start": { "local": "2046-10-10T06:54:09+03:00", "utc": "2046-10-10T03:54:09Z", "ms": 2422756448620.845 }, "end": { "local": "2046-10-10T06:54:09+03:00", "utc": "2046-10-10T03:54:09Z", "ms": 2422756448620.845 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:44 on Tue 9 Oct to 16:52 on Wed 10 Oct.", "fact": "2046-10-09T11:43:31Z → 2046-10-10T13:51:52Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 9th and 06:54 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28200 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Giza, 2046: Wednesday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-10", "confidence": "determinate" } ], "quote": "In Giza, Pāśāṅkuśā Ekādaśī 2046 falls on Wednesday 10 October. Ekādaśī runs from 14:44 on Tue 9 Oct to 16:52 on Wed 10 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-10-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-10-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-12", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2857, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-10-11T19:16:17+03:00", "utc": "2046-10-11T16:16:17Z", "ms": 2422887376809.7715 }, "end": { "local": "2046-10-12T21:47:19+03:00", "utc": "2046-10-12T18:47:19Z", "ms": 2422982838525.135 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2046-10-11T19:16:17+03:00", "utc": "2046-10-11T16:16:17Z", "ms": 2422887376809.7715 }, "end": { "local": "2046-10-12T21:47:19+03:00", "utc": "2046-10-12T18:47:19Z", "ms": 2422982838525.135 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-10-11", "window": { "start": { "local": "2046-10-11T18:28:40+03:00", "utc": "2046-10-11T15:28:40Z", "ms": 2422884519908.778 }, "end": { "local": "2046-10-11T20:08:14+03:00", "utc": "2046-10-11T17:08:14Z", "ms": 2422890493688.8374 } }, "covered_min": 52, "window_min": 100, "qualifies": true }, { "local_date": "2046-10-12", "window": { "start": { "local": "2046-10-12T18:27:32+03:00", "utc": "2046-10-12T15:27:32Z", "ms": 2422970852069.71 }, "end": { "local": "2046-10-12T20:07:20+03:00", "utc": "2046-10-12T17:07:20Z", "ms": 2422976839940.0693 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:16 on Thu 11 Oct to 21:47 on Fri 12 Oct.", "fact": "2046-10-11T16:16:17Z → 2046-10-12T18:47:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–20:08 on the 11th, 18:28–20:07 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 52 of 100 minutes on the 11th and 100 of 100 on the 12th.", "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 2857 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Friday 12 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-12", "confidence": "boundary" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Friday 12 October. Trayodaśī runs from 19:16 on Thu 11 Oct to 21:47 on Fri 12 Oct and covers all of pradoṣa that evening. It also reaches the previous evening for 52 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/giza/festivals/2046/pradosha-vrata?on=2046-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40057, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-10-18T08:40:29+03:00", "utc": "2046-10-18T05:40:29Z", "ms": 2423454029251.1553 }, "end": { "local": "2046-10-19T10:04:41+03:00", "utc": "2046-10-19T07:04:41Z", "ms": 2423545481476.1455 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-18T08:40:29+03:00", "utc": "2046-10-18T05:40:29Z", "ms": 2423454029251.1553 }, "end": { "local": "2046-10-19T10:04:41+03:00", "utc": "2046-10-19T07:04:41Z", "ms": 2423545481476.1455 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-10-18", "window": { "start": { "local": "2046-10-18T20:21:52+03:00", "utc": "2046-10-18T17:21:52Z", "ms": 2423496111937.0425 }, "end": { "local": "2046-10-18T20:21:52+03:00", "utc": "2046-10-18T17:21:52Z", "ms": 2423496111937.0425 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-10-19", "window": { "start": { "local": "2046-10-19T21:12:19+03:00", "utc": "2046-10-19T18:12:19Z", "ms": 2423585538532.077 }, "end": { "local": "2046-10-19T21:12:19+03:00", "utc": "2046-10-19T18:12:19Z", "ms": 2423585538532.077 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:40 on Thu 18 Oct to 10:05 on Fri 19 Oct.", "fact": "2046-10-18T05:40:29Z → 2046-10-19T07:04:41Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 18th and 21:12 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 40057 s" }, { "step": "ruling", "text": "Karaka Caturthī, Giza, 2046: Thursday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-18", "confidence": "determinate" } ], "quote": "In Giza, Karaka Caturthī (Karwa Chauth) 2046 falls on Thursday 18 October. Caturthī runs from 08:40 on Thu 18 Oct to 10:05 on Fri 19 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-10-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40057, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-10-18T08:40:29+03:00", "utc": "2046-10-18T05:40:29Z", "ms": 2423454029251.1553 }, "end": { "local": "2046-10-19T10:04:41+03:00", "utc": "2046-10-19T07:04:41Z", "ms": 2423545481476.1455 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-18T08:40:29+03:00", "utc": "2046-10-18T05:40:29Z", "ms": 2423454029251.1553 }, "end": { "local": "2046-10-19T10:04:41+03:00", "utc": "2046-10-19T07:04:41Z", "ms": 2423545481476.1455 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-10-18", "window": { "start": { "local": "2046-10-18T20:21:52+03:00", "utc": "2046-10-18T17:21:52Z", "ms": 2423496111937.0425 }, "end": { "local": "2046-10-18T20:21:52+03:00", "utc": "2046-10-18T17:21:52Z", "ms": 2423496111937.0425 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-10-19", "window": { "start": { "local": "2046-10-19T21:12:19+03:00", "utc": "2046-10-19T18:12:19Z", "ms": 2423585538532.077 }, "end": { "local": "2046-10-19T21:12:19+03:00", "utc": "2046-10-19T18:12:19Z", "ms": 2423585538532.077 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:40 on Thu 18 Oct to 10:05 on Fri 19 Oct.", "fact": "2046-10-18T05:40:29Z → 2046-10-19T07:04:41Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 18th and 21:12 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 40057 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Thursday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-18", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Thursday 18 October. Caturthī runs from 08:40 on Thu 18 Oct to 10:05 on Fri 19 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-10-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37647, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2046-10-22T11:25:45+03:00", "utc": "2046-10-22T08:25:45Z", "ms": 2423809545243.9795 }, "end": { "local": "2046-10-23T10:39:46+03:00", "utc": "2046-10-23T07:39:46Z", "ms": 2423893185728.461 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-22T11:25:45+03:00", "utc": "2046-10-22T08:25:45Z", "ms": 2423809545243.9795 }, "end": { "local": "2046-10-23T10:39:46+03:00", "utc": "2046-10-23T07:39:46Z", "ms": 2423893185728.461 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-10-21", "window": { "start": { "local": "2046-10-21T23:08:58+03:00", "utc": "2046-10-21T20:08:58Z", "ms": 2423765337783.142 }, "end": { "local": "2046-10-21T23:08:58+03:00", "utc": "2046-10-21T20:08:58Z", "ms": 2423765337783.142 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-10-22", "window": { "start": { "local": "2046-10-23T00:12:19+03:00", "utc": "2046-10-22T21:12:19Z", "ms": 2423855538986.295 }, "end": { "local": "2046-10-23T00:12:19+03:00", "utc": "2046-10-22T21:12:19Z", "ms": 2423855538986.295 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:26 on Mon 22 Oct to 10:40 on Tue 23 Oct.", "fact": "2046-10-22T08:25:45Z → 2046-10-23T07:39:46Z" }, { "step": "kaala", "text": "Moonrise is at 23:09 on the 21st and 00:12 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37647 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Giza, 2046: Monday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-22", "confidence": "determinate" } ], "quote": "In Giza, Ahoyī Aṣṭamī 2046 falls on Monday 22 October. Aṣṭamī runs from 11:26 on Mon 22 Oct to 10:40 on Tue 23 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-10-25", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-25", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 149, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-10-25T07:06:35+03:00", "utc": "2046-10-25T04:06:35Z", "ms": 2424053195333.666 }, "end": { "local": "2046-10-26T03:24:32+02:00", "utc": "2046-10-26T01:24:32Z", "ms": 2424129872022.7456 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-25T07:06:35+03:00", "utc": "2046-10-25T04:06:35Z", "ms": 2424053195333.666 }, "end": { "local": "2046-10-26T03:24:32+02:00", "utc": "2046-10-26T01:24:32Z", "ms": 2424129872022.7456 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-10-25", "window": { "start": { "local": "2046-10-25T07:04:06+03:00", "utc": "2046-10-25T04:04:06Z", "ms": 2424053046074.1074 }, "end": { "local": "2046-10-25T07:04:06+03:00", "utc": "2046-10-25T04:04:06Z", "ms": 2424053046074.1074 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-10-26", "window": { "start": { "local": "2046-10-26T06:04:49+02:00", "utc": "2046-10-26T04:04:49Z", "ms": 2424139489252.348 }, "end": { "local": "2046-10-26T06:04:49+02:00", "utc": "2046-10-26T04:04:49Z", "ms": 2424139489252.348 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:07 on Thu 25 Oct to 03:25 on Fri 26 Oct.", "fact": "2046-10-25T04:06:35Z → 2046-10-26T01:24:32Z" }, { "step": "kaala", "text": "Sunrise is at 07:04 on the 25th and 06:05 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is not on the 26th.", "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 149 s < 300 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Giza, 2046: Thursday 25 October.", "fact": "confidence: boundary (margin)" } ], "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": "2046-10-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-25", "confidence": "boundary" } ], "quote": "In Giza, Ramā Ekādaśī 2046 falls on Thursday 25 October. Ekādaśī runs from 07:07 on Thu 25 Oct to 03:25 on Fri 26 Oct, and is current at sunrise on neither day. It is 2 min 29 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-10-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19034, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2046-10-26T03:24:32+02:00", "utc": "2046-10-26T01:24:32Z", "ms": 2424129872022.7456 }, "end": { "local": "2046-10-27T00:13:19+02:00", "utc": "2046-10-26T22:13:19Z", "ms": 2424204799244.0376 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-26T03:24:32+02:00", "utc": "2046-10-26T01:24:32Z", "ms": 2424129872022.7456 }, "end": { "local": "2046-10-27T00:13:19+02:00", "utc": "2046-10-26T22:13:19Z", "ms": 2424204799244.0376 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-10-25", "window": { "start": { "local": "2046-10-25T18:14:01+03:00", "utc": "2046-10-25T15:14:01Z", "ms": 2424093241183.7476 }, "end": { "local": "2046-10-25T19:56:48+03:00", "utc": "2046-10-25T16:56:48Z", "ms": 2424099407592.8945 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2046-10-26", "window": { "start": { "local": "2046-10-26T17:13:05+02:00", "utc": "2046-10-26T15:13:05Z", "ms": 2424179585349.4624 }, "end": { "local": "2046-10-26T18:56:05+02:00", "utc": "2046-10-26T16:56:05Z", "ms": 2424185765017.262 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:25 on Fri 26 Oct to 00:13 on Sat 27 Oct.", "fact": "2046-10-26T01:24:32Z → 2046-10-26T22:13:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:57 on the 25th, 17:13–18:56 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 25th and 103 of 103 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19034 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Giza, 2046: Friday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-26", "confidence": "determinate" } ], "quote": "In Giza, Govatsa Dvādaśī (Vasu Baras) 2046 falls on Friday 26 October. Dvādaśī runs from 03:25 on Fri 26 Oct to 00:13 on Sat 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6366, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-10-27T00:13:19+02:00", "utc": "2046-10-26T22:13:19Z", "ms": 2424204799244.0376 }, "end": { "local": "2046-10-27T20:41:30+02:00", "utc": "2046-10-27T18:41:30Z", "ms": 2424278489779.481 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-27T00:13:19+02:00", "utc": "2046-10-26T22:13:19Z", "ms": 2424204799244.0376 }, "end": { "local": "2046-10-27T20:41:30+02:00", "utc": "2046-10-27T18:41:30Z", "ms": 2424278489779.481 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-10-26", "window": { "start": { "local": "2046-10-26T17:13:05+02:00", "utc": "2046-10-26T15:13:05Z", "ms": 2424179585349.4624 }, "end": { "local": "2046-10-26T18:56:05+02:00", "utc": "2046-10-26T16:56:05Z", "ms": 2424185765017.262 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2046-10-27", "window": { "start": { "local": "2046-10-27T17:12:11+02:00", "utc": "2046-10-27T15:12:11Z", "ms": 2424265930595.601 }, "end": { "local": "2046-10-27T18:55:23+02:00", "utc": "2046-10-27T16:55:23Z", "ms": 2424272123434.049 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:13 on Sat 27 Oct to 20:41 on Sat 27 Oct.", "fact": "2046-10-26T22:13:19Z → 2046-10-27T18:41:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–18:56 on the 26th, 17:12–18:55 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 26th and 103 of 103 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6366 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Giza, 2046: Saturday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-27", "confidence": "determinate" } ], "quote": "In Giza, Yama Dīpadāna 2046 falls on Saturday 27 October. Trayodaśī runs from 00:13 on Sat 27 Oct to 20:41 on Sat 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/pradosha-vrata?on=2046-10-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6366, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-10-27T00:13:19+02:00", "utc": "2046-10-26T22:13:19Z", "ms": 2424204799244.0376 }, "end": { "local": "2046-10-27T20:41:30+02:00", "utc": "2046-10-27T18:41:30Z", "ms": 2424278489779.481 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-27T00:13:19+02:00", "utc": "2046-10-26T22:13:19Z", "ms": 2424204799244.0376 }, "end": { "local": "2046-10-27T20:41:30+02:00", "utc": "2046-10-27T18:41:30Z", "ms": 2424278489779.481 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-10-26", "window": { "start": { "local": "2046-10-26T17:13:05+02:00", "utc": "2046-10-26T15:13:05Z", "ms": 2424179585349.4624 }, "end": { "local": "2046-10-26T18:56:05+02:00", "utc": "2046-10-26T16:56:05Z", "ms": 2424185765017.262 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2046-10-27", "window": { "start": { "local": "2046-10-27T17:12:11+02:00", "utc": "2046-10-27T15:12:11Z", "ms": 2424265930595.601 }, "end": { "local": "2046-10-27T18:55:23+02:00", "utc": "2046-10-27T16:55:23Z", "ms": 2424272123434.049 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:13 on Sat 27 Oct to 20:41 on Sat 27 Oct.", "fact": "2046-10-26T22:13:19Z → 2046-10-27T18:41:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–18:56 on the 26th, 17:12–18:55 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 26th and 103 of 103 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6366 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Saturday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-27", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Saturday 27 October. Trayodaśī runs from 00:13 on Sat 27 Oct to 20:41 on Sat 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-10-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9224, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-10-27T20:41:30+02:00", "utc": "2046-10-27T18:41:30Z", "ms": 2424278489779.481 }, "end": { "local": "2046-10-28T16:59:06+02:00", "utc": "2046-10-28T14:59:06Z", "ms": 2424351546142.7427 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-27T20:41:30+02:00", "utc": "2046-10-27T18:41:30Z", "ms": 2424278489779.481 }, "end": { "local": "2046-10-28T16:59:06+02:00", "utc": "2046-10-28T14:59:06Z", "ms": 2424351546142.7427 } }, "kaala": "nishita", "days": [ { "local_date": "2046-10-27", "window": { "start": { "local": "2046-10-27T23:15:14+02:00", "utc": "2046-10-27T21:15:14Z", "ms": 2424287713739.7803 }, "end": { "local": "2046-10-28T00:03:14+02:00", "utc": "2046-10-27T22:03:14Z", "ms": 2424290593739.7803 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-10-28", "window": { "start": { "local": "2046-10-28T23:15:09+02:00", "utc": "2046-10-28T21:15:09Z", "ms": 2424374109134.136 }, "end": { "local": "2046-10-29T00:03:09+02:00", "utc": "2046-10-28T22:03:09Z", "ms": 2424376989134.136 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:41 on Sat 27 Oct to 16:59 on Sun 28 Oct.", "fact": "2046-10-27T18:41:30Z → 2046-10-28T14:59:06Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:15–00:03 on the 27th, 23:15–00:03 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9224 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Saturday 27 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": "2046-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-27", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Saturday 27 October. Caturdaśī runs from 20:41 on Sat 27 Oct to 16:59 on Sun 28 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27694, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-10-27T20:41:30+02:00", "utc": "2046-10-27T18:41:30Z", "ms": 2424278489779.481 }, "end": { "local": "2046-10-28T16:59:06+02:00", "utc": "2046-10-28T14:59:06Z", "ms": 2424351546142.7427 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-27T20:41:30+02:00", "utc": "2046-10-27T18:41:30Z", "ms": 2424278489779.481 }, "end": { "local": "2046-10-28T16:59:06+02:00", "utc": "2046-10-28T14:59:06Z", "ms": 2424351546142.7427 } }, "kaala": "arunodaya", "days": [ { "local_date": "2046-10-28", "window": { "start": { "local": "2046-10-28T04:23:04+02:00", "utc": "2046-10-28T02:23:04Z", "ms": 2424306184045.511 }, "end": { "local": "2046-10-28T06:06:17+02:00", "utc": "2046-10-28T04:06:17Z", "ms": 2424312376883.959 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2046-10-29", "window": { "start": { "local": "2046-10-29T04:23:35+02:00", "utc": "2046-10-29T02:23:35Z", "ms": 2424392615404.665 }, "end": { "local": "2046-10-29T06:07:01+02:00", "utc": "2046-10-29T04:07:01Z", "ms": 2424398821321.221 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:41 on Sat 27 Oct to 16:59 on Sun 28 Oct.", "fact": "2046-10-27T18:41:30Z → 2046-10-28T14:59:06Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:23–06:06 on the 28th, 04:24–06:07 on the 29th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 103 of 103 minutes on the 28th and 0 of 103 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27694 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Giza, 2046: Sunday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-28", "confidence": "determinate" } ], "quote": "In Giza, Naraka Caturdaśī (Choti Diwali) 2046 falls on Sunday 28 October. Caturdaśī runs from 20:41 on Sat 27 Oct to 16:59 on Sun 28 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 731, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2046-10-28T16:59:06+02:00", "utc": "2046-10-28T14:59:06Z", "ms": 2424351546142.7427 }, "end": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-28T16:59:06+02:00", "utc": "2046-10-28T14:59:06Z", "ms": 2424351546142.7427 }, "end": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-10-28", "window": { "start": { "local": "2046-10-28T17:11:17+02:00", "utc": "2046-10-28T15:11:17Z", "ms": 2424352276947.0513 }, "end": { "local": "2046-10-28T18:54:43+02:00", "utc": "2046-10-28T16:54:43Z", "ms": 2424358482863.6074 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2046-10-29", "window": { "start": { "local": "2046-10-29T17:10:24+02:00", "utc": "2046-10-29T15:10:24Z", "ms": 2424438624427.423 }, "end": { "local": "2046-10-29T18:54:03+02:00", "utc": "2046-10-29T16:54:03Z", "ms": 2424444843324.9346 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:59 on Sun 28 Oct to 13:17 on Mon 29 Oct.", "fact": "2046-10-28T14:59:06Z → 2046-10-29T11:17:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:55 on the 28th, 17:10–18:54 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 103 of 103 minutes on the 28th and 0 of 104 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 731 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Giza, 2046: Sunday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-28", "confidence": "determinate" } ], "quote": "In Giza, Lakṣmī Pūjā (Diwali) 2046 falls on Sunday 28 October. Amāvasyā runs from 16:59 on Sun 28 Oct to 13:17 on Mon 29 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22563, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2046-10-28T16:59:06+02:00", "utc": "2046-10-28T14:59:06Z", "ms": 2424351546142.7427 }, "end": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-28T16:59:06+02:00", "utc": "2046-10-28T14:59:06Z", "ms": 2424351546142.7427 }, "end": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 } }, "kaala": "nishita", "days": [ { "local_date": "2046-10-28", "window": { "start": { "local": "2046-10-28T23:15:09+02:00", "utc": "2046-10-28T21:15:09Z", "ms": 2424374109134.136 }, "end": { "local": "2046-10-29T00:03:09+02:00", "utc": "2046-10-28T22:03:09Z", "ms": 2424376989134.136 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-10-29", "window": { "start": { "local": "2046-10-29T23:15:05+02:00", "utc": "2046-10-29T21:15:05Z", "ms": 2424460505293.093 }, "end": { "local": "2046-10-30T00:03:05+02:00", "utc": "2046-10-29T22:03:05Z", "ms": 2424463385293.093 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:59 on Sun 28 Oct to 13:17 on Mon 29 Oct.", "fact": "2046-10-28T14:59:06Z → 2046-10-29T11:17:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:15–00:03 on the 28th, 23:15–00:03 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22563 s" }, { "step": "ruling", "text": "Kālī Pūjā, Giza, 2046: Sunday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-28", "confidence": "determinate" } ], "quote": "In Giza, Kālī Pūjā 2046 falls on Sunday 28 October. Amāvasyā runs from 16:59 on Sun 28 Oct to 13:17 on Mon 29 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13996, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 }, "end": { "local": "2046-10-30T09:47:02+02:00", "utc": "2046-10-30T07:47:02Z", "ms": 2424498422244.727 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 }, "end": { "local": "2046-10-30T09:47:02+02:00", "utc": "2046-10-30T07:47:02Z", "ms": 2424498422244.727 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-10-29", "window": { "start": { "local": "2046-10-29T17:10:24+02:00", "utc": "2046-10-29T15:10:24Z", "ms": 2424438624427.423 }, "end": { "local": "2046-10-29T18:54:03+02:00", "utc": "2046-10-29T16:54:03Z", "ms": 2424444843324.9346 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2046-10-30", "window": { "start": { "local": "2046-10-30T17:09:33+02:00", "utc": "2046-10-30T15:09:33Z", "ms": 2424524973059.5957 }, "end": { "local": "2046-10-30T18:53:25+02:00", "utc": "2046-10-30T16:53:25Z", "ms": 2424531204836.211 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:17 on Mon 29 Oct to 09:47 on Tue 30 Oct.", "fact": "2046-10-29T11:17:08Z → 2046-10-30T07:47:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:10–18:54 on the 29th, 17:10–18:53 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 104 of 104 minutes on the 29th and 0 of 104 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13996 s" }, { "step": "ruling", "text": "Bali Pūjā, Giza, 2046: Monday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-29", "confidence": "determinate" } ], "quote": "In Giza, Bali Pūjā 2046 falls on Monday 29 October. Pratipadā runs from 13:17 on Mon 29 Oct to 09:47 on Tue 30 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4465, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 }, "end": { "local": "2046-10-30T09:47:02+02:00", "utc": "2046-10-30T07:47:02Z", "ms": 2424498422244.727 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 }, "end": { "local": "2046-10-30T09:47:02+02:00", "utc": "2046-10-30T07:47:02Z", "ms": 2424498422244.727 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-10-29", "window": { "start": { "local": "2046-10-29T11:14:43+02:00", "utc": "2046-10-29T09:14:43Z", "ms": 2424417282874.3223 }, "end": { "local": "2046-10-29T12:02:43+02:00", "utc": "2046-10-29T10:02:43Z", "ms": 2424420162874.3223 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-10-30", "window": { "start": { "local": "2046-10-30T11:14:40+02:00", "utc": "2046-10-30T09:14:40Z", "ms": 2424503679609.1787 }, "end": { "local": "2046-10-30T12:02:40+02:00", "utc": "2046-10-30T10:02:40Z", "ms": 2424506559609.1787 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:17 on Mon 29 Oct to 09:47 on Tue 30 Oct.", "fact": "2046-10-29T11:17:08Z → 2046-10-30T07:47:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 29th, 11:15–12:03 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 0 of 48 on the 30th.", "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 4465 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Giza, 2046: Tuesday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-30", "confidence": "determinate" } ], "quote": "In Giza, Govardhana Pūjā 2046 falls on Tuesday 30 October. Pratipadā runs from 13:17 on Mon 29 Oct to 09:47 on Tue 30 Oct, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5257, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2046-10-30T09:47:02+02:00", "utc": "2046-10-30T07:47:02Z", "ms": 2424498422244.727 }, "end": { "local": "2046-10-31T06:40:08+02:00", "utc": "2046-10-31T04:40:08Z", "ms": 2424573608205.902 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-30T09:47:02+02:00", "utc": "2046-10-30T07:47:02Z", "ms": 2424498422244.727 }, "end": { "local": "2046-10-31T06:40:08+02:00", "utc": "2046-10-31T04:40:08Z", "ms": 2424573608205.902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-10-30", "window": { "start": { "local": "2046-10-30T11:14:40+02:00", "utc": "2046-10-30T09:14:40Z", "ms": 2424503679609.1787 }, "end": { "local": "2046-10-30T12:02:40+02:00", "utc": "2046-10-30T10:02:40Z", "ms": 2424506559609.1787 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-10-31", "window": { "start": { "local": "2046-10-31T11:14:37+02:00", "utc": "2046-10-31T09:14:37Z", "ms": 2424590077125.2847 }, "end": { "local": "2046-10-31T12:02:37+02:00", "utc": "2046-10-31T10:02:37Z", "ms": 2424592957125.2847 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 09:47 on Tue 30 Oct to 06:40 on Wed 31 Oct.", "fact": "2046-10-30T07:47:02Z → 2046-10-31T04:40:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 30th, 11:15–12:03 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5257 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Giza, 2046: Tuesday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-30", "confidence": "determinate" } ], "quote": "In Giza, Yama Dvitīyā (Bhai Dooj) 2046 falls on Tuesday 30 October. Dvitīyā runs from 09:47 on Tue 30 Oct to 06:40 on Wed 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-10-30", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 80, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 }, "end": { "local": "2046-10-30T09:47:02+02:00", "utc": "2046-10-30T07:47:02Z", "ms": 2424498422244.727 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-10-29T13:17:08+02:00", "utc": "2046-10-29T11:17:08Z", "ms": 2424424628228.373 }, "end": { "local": "2046-10-30T09:47:02+02:00", "utc": "2046-10-30T07:47:02Z", "ms": 2424498422244.727 } }, "kaala": "purvahna", "days": [ { "local_date": "2046-10-29", "window": { "start": { "local": "2046-10-29T06:07:01+02:00", "utc": "2046-10-29T04:07:01Z", "ms": 2424398821321.221 }, "end": { "local": "2046-10-29T09:48:09+02:00", "utc": "2046-10-29T07:48:09Z", "ms": 2424412089023.2886 } }, "covered_min": 0, "window_min": 221, "qualifies": false }, { "local_date": "2046-10-30", "window": { "start": { "local": "2046-10-30T06:07:46+02:00", "utc": "2046-10-30T04:07:46Z", "ms": 2424485266158.762 }, "end": { "local": "2046-10-30T09:48:22+02:00", "utc": "2046-10-30T07:48:22Z", "ms": 2424498501792.3735 } }, "covered_min": 219, "window_min": 221, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:17 on Mon 29 Oct to 09:47 on Tue 30 Oct.", "fact": "2046-10-29T11:17:08Z → 2046-10-30T07:47:02Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:07–09:48 on the 29th, 06:08–09:48 on the 30th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 221 minutes on the 29th and 219 of 221 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 80 s < 300 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Giza, 2046: Tuesday 30 October.", "fact": "confidence: boundary (margin)" } ], "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": "2046-10-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-10-30", "confidence": "boundary" } ], "quote": "In Giza, Dyūta Pratipad 2046 falls on Tuesday 30 October. Pratipadā runs from 13:17 on Mon 29 Oct to 09:47 on Tue 30 Oct and covers 219 of 221 minutes of pūrvāhṇa that forenoon. It is 1 min 20 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25654, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-11-01T04:07:02+02:00", "utc": "2046-11-01T02:07:02Z", "ms": 2424650821655.75 }, "end": { "local": "2046-11-02T02:16:46+02:00", "utc": "2046-11-02T00:16:46Z", "ms": 2424730605798.127 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-01T04:07:02+02:00", "utc": "2046-11-01T02:07:02Z", "ms": 2424650821655.75 }, "end": { "local": "2046-11-02T02:16:46+02:00", "utc": "2046-11-02T00:16:46Z", "ms": 2424730605798.127 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-11-01", "window": { "start": { "local": "2046-11-01T11:14:35+02:00", "utc": "2046-11-01T09:14:35Z", "ms": 2424676475427.66 }, "end": { "local": "2046-11-01T12:02:35+02:00", "utc": "2046-11-01T10:02:35Z", "ms": 2424679355427.66 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-11-02", "window": { "start": { "local": "2046-11-02T11:14:35+02:00", "utc": "2046-11-02T09:14:35Z", "ms": 2424762874521.535 }, "end": { "local": "2046-11-02T12:02:35+02:00", "utc": "2046-11-02T10:02:35Z", "ms": 2424765754521.535 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:07 on Thu 1 Nov to 02:17 on Fri 2 Nov.", "fact": "2046-11-01T02:07:02Z → 2046-11-02T00:16:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 1st, 11:15–12:03 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25654 s" }, { "step": "ruling", "text": "Nāga Caturthī, Giza, 2046: Thursday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-01", "confidence": "determinate" } ], "quote": "In Giza, Nāga Caturthī 2046 falls on Thursday 1 November. Caturthī runs from 04:07 on Thu 1 Nov to 02:17 on Fri 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-11-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25654, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-11-01T04:07:02+02:00", "utc": "2046-11-01T02:07:02Z", "ms": 2424650821655.75 }, "end": { "local": "2046-11-02T02:16:46+02:00", "utc": "2046-11-02T00:16:46Z", "ms": 2424730605798.127 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-01T04:07:02+02:00", "utc": "2046-11-01T02:07:02Z", "ms": 2424650821655.75 }, "end": { "local": "2046-11-02T02:16:46+02:00", "utc": "2046-11-02T00:16:46Z", "ms": 2424730605798.127 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-11-01", "window": { "start": { "local": "2046-11-01T11:14:35+02:00", "utc": "2046-11-01T09:14:35Z", "ms": 2424676475427.66 }, "end": { "local": "2046-11-01T12:02:35+02:00", "utc": "2046-11-01T10:02:35Z", "ms": 2424679355427.66 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-11-02", "window": { "start": { "local": "2046-11-02T11:14:35+02:00", "utc": "2046-11-02T09:14:35Z", "ms": 2424762874521.535 }, "end": { "local": "2046-11-02T12:02:35+02:00", "utc": "2046-11-02T10:02:35Z", "ms": 2424765754521.535 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:07 on Thu 1 Nov to 02:17 on Fri 2 Nov.", "fact": "2046-11-01T02:07:02Z → 2046-11-02T00:16:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 1st, 11:15–12:03 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25654 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Thursday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-01", "confidence": "determinate" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Thursday 1 November. Caturthī runs from 04:07 on Thu 1 Nov to 02:17 on Fri 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-11-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35921, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2046-11-03T01:15:54+02:00", "utc": "2046-11-02T23:15:54Z", "ms": 2424813353529.691 }, "end": { "local": "2046-11-04T01:07:26+02:00", "utc": "2046-11-03T23:07:26Z", "ms": 2424899245603.6187 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-03T01:15:54+02:00", "utc": "2046-11-02T23:15:54Z", "ms": 2424813353529.691 }, "end": { "local": "2046-11-04T01:07:26+02:00", "utc": "2046-11-03T23:07:26Z", "ms": 2424899245603.6187 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-11-03", "window": { "start": { "local": "2046-11-03T11:14:34+02:00", "utc": "2046-11-03T09:14:34Z", "ms": 2424849274412.5166 }, "end": { "local": "2046-11-03T12:02:34+02:00", "utc": "2046-11-03T10:02:34Z", "ms": 2424852154412.5166 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-11-04", "window": { "start": { "local": "2046-11-04T11:14:35+02:00", "utc": "2046-11-04T09:14:35Z", "ms": 2424935675106.5654 }, "end": { "local": "2046-11-04T12:02:35+02:00", "utc": "2046-11-04T10:02:35Z", "ms": 2424938555106.5654 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:16 on Sat 3 Nov to 01:07 on Sun 4 Nov.", "fact": "2046-11-02T23:15:54Z → 2046-11-03T23:07:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 3rd, 11:15–12:03 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35921 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Giza, 2046: Saturday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-03", "confidence": "determinate" } ], "quote": "In Giza, Sūrya Ṣaṣṭhī (Chhath) 2046 falls on Saturday 3 November. Ṣaṣṭhī runs from 01:16 on Sat 3 Nov to 01:07 on Sun 4 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28622, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2046-11-05T01:50:00+02:00", "utc": "2046-11-04T23:50:00Z", "ms": 2424988200264.083 }, "end": { "local": "2046-11-06T03:17:37+02:00", "utc": "2046-11-06T01:17:37Z", "ms": 2425079856639.1743 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-05T01:50:00+02:00", "utc": "2046-11-04T23:50:00Z", "ms": 2424988200264.083 }, "end": { "local": "2046-11-06T03:17:37+02:00", "utc": "2046-11-06T01:17:37Z", "ms": 2425079856639.1743 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-11-05", "window": { "start": { "local": "2046-11-05T11:14:37+02:00", "utc": "2046-11-05T09:14:37Z", "ms": 2425022076609.841 }, "end": { "local": "2046-11-05T12:02:37+02:00", "utc": "2046-11-05T10:02:37Z", "ms": 2425024956609.841 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-11-06", "window": { "start": { "local": "2046-11-06T11:14:39+02:00", "utc": "2046-11-06T09:14:39Z", "ms": 2425108478928.5117 }, "end": { "local": "2046-11-06T12:02:39+02:00", "utc": "2046-11-06T10:02:39Z", "ms": 2425111358928.5117 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:50 on Mon 5 Nov to 03:18 on Tue 6 Nov.", "fact": "2046-11-04T23:50:00Z → 2046-11-06T01:17:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 5th, 11:15–12:03 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 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: unstated → only-day · margin 28622 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Giza, 2046: Monday 5 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": "2046-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-05", "confidence": "determinate" } ], "quote": "In Giza, Gopāṣṭamī 2046 falls on Monday 5 November. Aṣṭamī runs from 01:50 on Mon 5 Nov to 03:18 on Tue 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3226, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2046-11-06T03:17:37+02:00", "utc": "2046-11-06T01:17:37Z", "ms": 2425079856639.1743 }, "end": { "local": "2046-11-07T05:20:11+02:00", "utc": "2046-11-07T03:20:11Z", "ms": 2425173611375.1294 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-06T03:17:37+02:00", "utc": "2046-11-06T01:17:37Z", "ms": 2425079856639.1743 }, "end": { "local": "2046-11-07T05:20:11+02:00", "utc": "2046-11-07T03:20:11Z", "ms": 2425173611375.1294 } }, "kaala": "purvahna", "days": [ { "local_date": "2046-11-06", "window": { "start": { "local": "2046-11-06T06:13:10+02:00", "utc": "2046-11-06T04:13:10Z", "ms": 2425090390142.013 }, "end": { "local": "2046-11-06T09:50:09+02:00", "utc": "2046-11-06T07:50:09Z", "ms": 2425103409333.012 } }, "covered_min": 217, "window_min": 217, "qualifies": true }, { "local_date": "2046-11-07", "window": { "start": { "local": "2046-11-07T06:13:58+02:00", "utc": "2046-11-07T04:13:58Z", "ms": 2425176837713.2017 }, "end": { "local": "2046-11-07T09:50:27+02:00", "utc": "2046-11-07T07:50:27Z", "ms": 2425189827283.4497 } }, "covered_min": 0, "window_min": 216, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 03:18 on Tue 6 Nov to 05:20 on Wed 7 Nov.", "fact": "2046-11-06T01:17:37Z → 2046-11-07T03:20:11Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:13–09:50 on the 6th, 06:14–09:50 on the 7th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 217 of 217 minutes on the 6th and 0 of 216 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3226 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Giza, 2046: Tuesday 6 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": "2046-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-06", "confidence": "determinate" } ], "quote": "In Giza, Akṣaya Navamī (Amla Navami) 2046 falls on Tuesday 6 November. Navamī runs from 03:18 on Tue 6 Nov to 05:20 on Wed 7 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21271, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2046-11-06T03:17:37+02:00", "utc": "2046-11-06T01:17:37Z", "ms": 2425079856639.1743 }, "end": { "local": "2046-11-07T05:20:11+02:00", "utc": "2046-11-07T03:20:11Z", "ms": 2425173611375.1294 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-06T03:17:37+02:00", "utc": "2046-11-06T01:17:37Z", "ms": 2425079856639.1743 }, "end": { "local": "2046-11-07T05:20:11+02:00", "utc": "2046-11-07T03:20:11Z", "ms": 2425173611375.1294 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-11-06", "window": { "start": { "local": "2046-11-06T11:14:39+02:00", "utc": "2046-11-06T09:14:39Z", "ms": 2425108478928.5117 }, "end": { "local": "2046-11-06T12:02:39+02:00", "utc": "2046-11-06T10:02:39Z", "ms": 2425111358928.5117 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-11-07", "window": { "start": { "local": "2046-11-07T11:14:42+02:00", "utc": "2046-11-07T09:14:42Z", "ms": 2425194882068.573 }, "end": { "local": "2046-11-07T12:02:42+02:00", "utc": "2046-11-07T10:02:42Z", "ms": 2425197762068.573 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 03:18 on Tue 6 Nov to 05:20 on Wed 7 Nov.", "fact": "2046-11-06T01:17:37Z → 2046-11-07T03:20:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 6th, 11:15–12:03 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 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 21271 s" }, { "step": "ruling", "text": "Durgā Navamī, Giza, 2046: Tuesday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-06", "confidence": "determinate" } ], "quote": "In Giza, Durgā Navamī 2046 falls on Tuesday 6 November. Navamī runs from 03:18 on Tue 6 Nov to 05:20 on Wed 7 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-11-09", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5425, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-11-08T07:45:11+02:00", "utc": "2046-11-08T05:45:11Z", "ms": 2425268710725.499 }, "end": { "local": "2046-11-09T10:19:35+02:00", "utc": "2046-11-09T08:19:35Z", "ms": 2425364375004.8086 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-08T07:45:11+02:00", "utc": "2046-11-08T05:45:11Z", "ms": 2425268710725.499 }, "end": { "local": "2046-11-09T10:19:35+02:00", "utc": "2046-11-09T08:19:35Z", "ms": 2425364375004.8086 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-11-08", "window": { "start": { "local": "2046-11-08T06:14:46+02:00", "utc": "2046-11-08T04:14:46Z", "ms": 2425263285566.191 }, "end": { "local": "2046-11-08T06:14:46+02:00", "utc": "2046-11-08T04:14:46Z", "ms": 2425263285566.191 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-11-09", "window": { "start": { "local": "2046-11-09T06:15:34+02:00", "utc": "2046-11-09T04:15:34Z", "ms": 2425349733686.4897 }, "end": { "local": "2046-11-09T06:15:34+02:00", "utc": "2046-11-09T04:15:34Z", "ms": 2425349733686.4897 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:45 on Thu 8 Nov to 10:20 on Fri 9 Nov.", "fact": "2046-11-08T05:45:11Z → 2046-11-09T08:19:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 8th and 06:16 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5425 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Giza, 2046: Friday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-09", "confidence": "determinate" } ], "quote": "In Giza, Prabodhinī Ekādaśī 2046 falls on Friday 9 November. Ekādaśī runs from 07:45 on Thu 8 Nov to 10:20 on Fri 9 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-11-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-11-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6445, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-11-10T12:51:56+02:00", "utc": "2046-11-10T10:51:56Z", "ms": 2425459915756.4844 }, "end": { "local": "2046-11-11T15:13:31+02:00", "utc": "2046-11-11T13:13:31Z", "ms": 2425554810690.8447 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-10T12:51:56+02:00", "utc": "2046-11-10T10:51:56Z", "ms": 2425459915756.4844 }, "end": { "local": "2046-11-11T15:13:31+02:00", "utc": "2046-11-11T13:13:31Z", "ms": 2425554810690.8447 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-11-10", "window": { "start": { "local": "2046-11-10T17:01:31+02:00", "utc": "2046-11-10T15:01:31Z", "ms": 2425474890884.757 }, "end": { "local": "2046-11-10T18:47:36+02:00", "utc": "2046-11-10T16:47:36Z", "ms": 2425481256189.1064 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2046-11-11", "window": { "start": { "local": "2046-11-11T17:00:55+02:00", "utc": "2046-11-11T15:00:55Z", "ms": 2425561255232.267 }, "end": { "local": "2046-11-11T18:47:12+02:00", "utc": "2046-11-11T16:47:12Z", "ms": 2425567631800.645 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:52 on Sat 10 Nov to 15:14 on Sun 11 Nov.", "fact": "2046-11-10T10:51:56Z → 2046-11-11T13:13:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:02–18:48 on the 10th, 17:01–18:47 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 10th and 0 of 106 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6445 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Saturday 10 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": "2046-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-10", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Saturday 10 November. Trayodaśī runs from 12:52 on Sat 10 Nov to 15:14 on Sun 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15070, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-11-12T17:18:43+02:00", "utc": "2046-11-12T15:18:43Z", "ms": 2425648722888.227 }, "end": { "local": "2046-11-13T19:04:33+02:00", "utc": "2046-11-13T17:04:33Z", "ms": 2425741473015.5635 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-12T17:18:43+02:00", "utc": "2046-11-12T15:18:43Z", "ms": 2425648722888.227 }, "end": { "local": "2046-11-13T19:04:33+02:00", "utc": "2046-11-13T17:04:33Z", "ms": 2425741473015.5635 } }, "kaala": "nishita", "days": [ { "local_date": "2046-11-12", "window": { "start": { "local": "2046-11-12T23:15:35+02:00", "utc": "2046-11-12T21:15:35Z", "ms": 2425670134787.4395 }, "end": { "local": "2046-11-13T00:03:35+02:00", "utc": "2046-11-12T22:03:35Z", "ms": 2425673014787.4395 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-11-13", "window": { "start": { "local": "2046-11-13T23:15:43+02:00", "utc": "2046-11-13T21:15:43Z", "ms": 2425756543049.832 }, "end": { "local": "2046-11-14T00:03:43+02:00", "utc": "2046-11-13T22:03:43Z", "ms": 2425759423049.832 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:19 on Mon 12 Nov to 19:05 on Tue 13 Nov.", "fact": "2046-11-12T15:18:43Z → 2046-11-13T17:04:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:16–00:04 on the 12th, 23:16–00:04 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15070 s" }, { "step": "ruling", "text": "Rāsayātrā, Giza, 2046: Monday 12 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": "2046-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-12", "confidence": "determinate" } ], "quote": "In Giza, Rāsayātrā 2046 falls on Monday 12 November. Pūrṇimā runs from 17:19 on Mon 12 Nov to 19:05 on Tue 13 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18933, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-11-12T17:18:43+02:00", "utc": "2046-11-12T15:18:43Z", "ms": 2425648722888.227 }, "end": { "local": "2046-11-13T19:04:33+02:00", "utc": "2046-11-13T17:04:33Z", "ms": 2425741473015.5635 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2046-11-12T17:18:43+02:00", "utc": "2046-11-12T15:18:43Z", "ms": 2425648722888.227 }, "end": { "local": "2046-11-13T19:04:33+02:00", "utc": "2046-11-13T17:04:33Z", "ms": 2425741473015.5635 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-11-12", "window": { "start": { "local": "2046-11-12T11:15:10+02:00", "utc": "2046-11-12T09:15:10Z", "ms": 2425626910272.8613 }, "end": { "local": "2046-11-12T12:03:10+02:00", "utc": "2046-11-12T10:03:10Z", "ms": 2425629790272.8613 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-11-13", "window": { "start": { "local": "2046-11-13T11:15:18+02:00", "utc": "2046-11-13T09:15:18Z", "ms": 2425713318443.95 }, "end": { "local": "2046-11-13T12:03:18+02:00", "utc": "2046-11-13T10:03:18Z", "ms": 2425716198443.95 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:19 on Mon 12 Nov to 19:05 on Tue 13 Nov.", "fact": "2046-11-12T15:18:43Z → 2046-11-13T17:04:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 12th, 11:15–12:03 on the 13th.", "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 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18933 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Giza, 2046: Tuesday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-13", "confidence": "determinate" } ], "quote": "In Giza, Kārtikī Pūrṇimā 2046 falls on Tuesday 13 November. Pūrṇimā runs from 17:19 on Mon 12 Nov to 19:05 on Tue 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-11-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9084, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-11-16T22:15:54+02:00", "utc": "2046-11-16T20:15:54Z", "ms": 2426012153963.3 }, "end": { "local": "2046-11-17T22:34:55+02:00", "utc": "2046-11-17T20:34:55Z", "ms": 2426099694858.826 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-11-16T22:15:54+02:00", "utc": "2046-11-16T20:15:54Z", "ms": 2426012153963.3 }, "end": { "local": "2046-11-17T22:34:55+02:00", "utc": "2046-11-17T20:34:55Z", "ms": 2426099694858.826 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-11-16", "window": { "start": { "local": "2046-11-16T19:04:03+02:00", "utc": "2046-11-16T17:04:03Z", "ms": 2426000642509.2188 }, "end": { "local": "2046-11-16T19:04:03+02:00", "utc": "2046-11-16T17:04:03Z", "ms": 2426000642509.2188 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-11-17", "window": { "start": { "local": "2046-11-17T20:03:30+02:00", "utc": "2046-11-17T18:03:30Z", "ms": 2426090610382.419 }, "end": { "local": "2046-11-17T20:03:30+02:00", "utc": "2046-11-17T18:03:30Z", "ms": 2426090610382.419 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:16 on Fri 16 Nov to 22:35 on Sat 17 Nov.", "fact": "2046-11-16T20:15:54Z → 2046-11-17T20:34:55Z" }, { "step": "kaala", "text": "Moonrise is at 19:04 on the 16th and 20:04 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9084 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Saturday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-17", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Saturday 17 November. Caturthī runs from 22:16 on Fri 16 Nov to 22:35 on Sat 17 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ekadashi?on=2046-11-24", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20042, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-11-23T14:51:02+02:00", "utc": "2046-11-23T12:51:02Z", "ms": 2426590262048.7573 }, "end": { "local": "2046-11-24T12:01:57+02:00", "utc": "2046-11-24T10:01:57Z", "ms": 2426666517055.888 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-11-23T14:51:02+02:00", "utc": "2046-11-23T12:51:02Z", "ms": 2426590262048.7573 }, "end": { "local": "2046-11-24T12:01:57+02:00", "utc": "2046-11-24T10:01:57Z", "ms": 2426666517055.888 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-11-23", "window": { "start": { "local": "2046-11-23T06:27:05+02:00", "utc": "2046-11-23T04:27:05Z", "ms": 2426560025061.5645 }, "end": { "local": "2046-11-23T06:27:05+02:00", "utc": "2046-11-23T04:27:05Z", "ms": 2426560025061.5645 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2046-11-24", "window": { "start": { "local": "2046-11-24T06:27:55+02:00", "utc": "2046-11-24T04:27:55Z", "ms": 2426646474737.7783 }, "end": { "local": "2046-11-24T06:27:55+02:00", "utc": "2046-11-24T04:27:55Z", "ms": 2426646474737.7783 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:51 on Fri 23 Nov to 12:02 on Sat 24 Nov.", "fact": "2046-11-23T12:51:02Z → 2046-11-24T10:01:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:27 on the 23rd and 06:28 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20042 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Giza, 2046: Saturday 24 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-24", "confidence": "determinate" } ], "quote": "In Giza, Utpannā Ekādaśī 2046 falls on Saturday 24 November. Ekādaśī runs from 14:51 on Fri 23 Nov to 12:02 on Sat 24 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-11-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-11-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28611, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-11-25T08:58:29+02:00", "utc": "2046-11-25T06:58:29Z", "ms": 2426741909217.214 }, "end": { "local": "2046-11-26T05:49:00+02:00", "utc": "2046-11-26T03:49:00Z", "ms": 2426816939963.7397 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-11-25T08:58:29+02:00", "utc": "2046-11-25T06:58:29Z", "ms": 2426741909217.214 }, "end": { "local": "2046-11-26T05:49:00+02:00", "utc": "2046-11-26T03:49:00Z", "ms": 2426816939963.7397 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-11-25", "window": { "start": { "local": "2046-11-25T16:55:20+02:00", "utc": "2046-11-25T14:55:20Z", "ms": 2426770520474.4004 }, "end": { "local": "2046-11-25T18:43:54+02:00", "utc": "2046-11-25T16:43:54Z", "ms": 2426777034232.006 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2046-11-26", "window": { "start": { "local": "2046-11-26T16:55:09+02:00", "utc": "2046-11-26T14:55:09Z", "ms": 2426856909014.6255 }, "end": { "local": "2046-11-26T18:43:51+02:00", "utc": "2046-11-26T16:43:51Z", "ms": 2426863430854.692 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:58 on Sun 25 Nov to 05:49 on Mon 26 Nov.", "fact": "2046-11-25T06:58:29Z → 2046-11-26T03:49:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:55–18:44 on the 25th, 16:55–18:44 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 25th and 0 of 109 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28611 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Sunday 25 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-25", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Sunday 25 November. Trayodaśī runs from 08:58 on Sun 25 Nov to 05:49 on Mon 26 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-11-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9369, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-11-26T05:49:00+02:00", "utc": "2046-11-26T03:49:00Z", "ms": 2426816939963.7397 }, "end": { "local": "2046-11-27T02:42:54+02:00", "utc": "2046-11-27T00:42:54Z", "ms": 2426892174428.5503 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-11-26T05:49:00+02:00", "utc": "2046-11-26T03:49:00Z", "ms": 2426816939963.7397 }, "end": { "local": "2046-11-27T02:42:54+02:00", "utc": "2046-11-27T00:42:54Z", "ms": 2426892174428.5503 } }, "kaala": "nishita", "days": [ { "local_date": "2046-11-25", "window": { "start": { "local": "2046-11-25T23:18:27+02:00", "utc": "2046-11-25T21:18:27Z", "ms": 2426793507065.4214 }, "end": { "local": "2046-11-26T00:06:27+02:00", "utc": "2046-11-25T22:06:27Z", "ms": 2426796387065.4214 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-11-26", "window": { "start": { "local": "2046-11-26T23:18:46+02:00", "utc": "2046-11-26T21:18:46Z", "ms": 2426879925914.874 }, "end": { "local": "2046-11-27T00:06:46+02:00", "utc": "2046-11-26T22:06:46Z", "ms": 2426882805914.874 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:49 on Mon 26 Nov to 02:43 on Tue 27 Nov.", "fact": "2046-11-26T03:49:00Z → 2046-11-27T00:42:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:18–00:06 on the 25th, 23:19–00:07 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9369 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Monday 26 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-11-26", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Monday 26 November. Caturdaśī runs from 05:49 on Mon 26 Nov to 02:43 on Tue 27 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-11-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-12-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19888, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-11-30T18:08:47+02:00", "utc": "2046-11-30T16:08:47Z", "ms": 2427206926753.612 }, "end": { "local": "2046-12-01T17:39:34+02:00", "utc": "2046-12-01T15:39:34Z", "ms": 2427291574475.4497 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-11-30T18:08:47+02:00", "utc": "2046-11-30T16:08:47Z", "ms": 2427206926753.612 }, "end": { "local": "2046-12-01T17:39:34+02:00", "utc": "2046-12-01T15:39:34Z", "ms": 2427291574475.4497 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-11-30", "window": { "start": { "local": "2046-11-30T11:19:44+02:00", "utc": "2046-11-30T09:19:44Z", "ms": 2427182384416.9966 }, "end": { "local": "2046-11-30T12:07:44+02:00", "utc": "2046-11-30T10:07:44Z", "ms": 2427185264416.9966 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-12-01", "window": { "start": { "local": "2046-12-01T11:20:07+02:00", "utc": "2046-12-01T09:20:07Z", "ms": 2427268806881.7 }, "end": { "local": "2046-12-01T12:08:07+02:00", "utc": "2046-12-01T10:08:07Z", "ms": 2427271686881.7 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:09 on Fri 30 Nov to 17:40 on Sat 1 Dec.", "fact": "2046-11-30T16:08:47Z → 2046-12-01T15:39:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 30th, 11:20–12:08 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "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 19888 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Saturday 1 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-01", "confidence": "determinate" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Saturday 1 December. Caturthī runs from 18:09 on Fri 30 Nov to 17:40 on Sat 1 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/vinayaka-chaturthi?on=2046-12-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19888, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2046-12-01T17:39:34+02:00", "utc": "2046-12-01T15:39:34Z", "ms": 2427291574475.4497 }, "end": { "local": "2046-12-02T17:59:05+02:00", "utc": "2046-12-02T15:59:05Z", "ms": 2427379144587.2197 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-01T17:39:34+02:00", "utc": "2046-12-01T15:39:34Z", "ms": 2427291574475.4497 }, "end": { "local": "2046-12-02T17:59:05+02:00", "utc": "2046-12-02T15:59:05Z", "ms": 2427379144587.2197 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-12-01", "window": { "start": { "local": "2046-12-01T11:20:07+02:00", "utc": "2046-12-01T09:20:07Z", "ms": 2427268806881.7 }, "end": { "local": "2046-12-01T12:08:07+02:00", "utc": "2046-12-01T10:08:07Z", "ms": 2427271686881.7 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-12-02", "window": { "start": { "local": "2046-12-02T11:20:30+02:00", "utc": "2046-12-02T09:20:30Z", "ms": 2427355229975.1104 }, "end": { "local": "2046-12-02T12:08:30+02:00", "utc": "2046-12-02T10:08:30Z", "ms": 2427358109975.1104 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:40 on Sat 1 Dec to 17:59 on Sun 2 Dec.", "fact": "2046-12-01T15:39:34Z → 2046-12-02T15:59:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 1st, 11:20–12:08 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19888 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Giza, 2046: Sunday 2 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-02", "confidence": "determinate" } ], "quote": "In Giza, Nāga Pañcamī (Mārgaśīrṣa) 2046 falls on Sunday 2 December. Pañcamī runs from 17:40 on Sat 1 Dec to 17:59 on Sun 2 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21035, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2046-12-02T17:59:05+02:00", "utc": "2046-12-02T15:59:05Z", "ms": 2427379144587.2197 }, "end": { "local": "2046-12-03T19:05:17+02:00", "utc": "2046-12-03T17:05:17Z", "ms": 2427469516933.37 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-02T17:59:05+02:00", "utc": "2046-12-02T15:59:05Z", "ms": 2427379144587.2197 }, "end": { "local": "2046-12-03T19:05:17+02:00", "utc": "2046-12-03T17:05:17Z", "ms": 2427469516933.37 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-12-02", "window": { "start": { "local": "2046-12-02T11:20:30+02:00", "utc": "2046-12-02T09:20:30Z", "ms": 2427355229975.1104 }, "end": { "local": "2046-12-02T12:08:30+02:00", "utc": "2046-12-02T10:08:30Z", "ms": 2427358109975.1104 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-12-03", "window": { "start": { "local": "2046-12-03T11:20:54+02:00", "utc": "2046-12-03T09:20:54Z", "ms": 2427441653672.634 }, "end": { "local": "2046-12-03T12:08:54+02:00", "utc": "2046-12-03T10:08:54Z", "ms": 2427444533672.634 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:59 on Sun 2 Dec to 19:05 on Mon 3 Dec.", "fact": "2046-12-02T15:59:05Z → 2046-12-03T17:05:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 2nd, 11:21–12:09 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21035 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Giza, 2046: Monday 3 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-03", "confidence": "determinate" } ], "quote": "In Giza, Campā Ṣaṣṭhī 2046 falls on Monday 3 December. Ṣaṣṭhī runs from 17:59 on Sun 2 Dec to 19:05 on Mon 3 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21035, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2046-12-02T17:59:05+02:00", "utc": "2046-12-02T15:59:05Z", "ms": 2427379144587.2197 }, "end": { "local": "2046-12-03T19:05:17+02:00", "utc": "2046-12-03T17:05:17Z", "ms": 2427469516933.37 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-02T17:59:05+02:00", "utc": "2046-12-02T15:59:05Z", "ms": 2427379144587.2197 }, "end": { "local": "2046-12-03T19:05:17+02:00", "utc": "2046-12-03T17:05:17Z", "ms": 2427469516933.37 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-12-02", "window": { "start": { "local": "2046-12-02T11:20:30+02:00", "utc": "2046-12-02T09:20:30Z", "ms": 2427355229975.1104 }, "end": { "local": "2046-12-02T12:08:30+02:00", "utc": "2046-12-02T10:08:30Z", "ms": 2427358109975.1104 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-12-03", "window": { "start": { "local": "2046-12-03T11:20:54+02:00", "utc": "2046-12-03T09:20:54Z", "ms": 2427441653672.634 }, "end": { "local": "2046-12-03T12:08:54+02:00", "utc": "2046-12-03T10:08:54Z", "ms": 2427444533672.634 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:59 on Sun 2 Dec to 19:05 on Mon 3 Dec.", "fact": "2046-12-02T15:59:05Z → 2046-12-03T17:05:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 2nd, 11:21–12:09 on the 3rd.", "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 2nd and 48 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 21035 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Giza, 2046: Monday 3 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-03", "confidence": "determinate" } ], "quote": "In Giza, Skanda Ṣaṣṭhī 2046 falls on Monday 3 December. Ṣaṣṭhī runs from 17:59 on Sun 2 Dec to 19:05 on Mon 3 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24983, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2046-12-03T19:05:17+02:00", "utc": "2046-12-03T17:05:17Z", "ms": 2427469516933.37 }, "end": { "local": "2046-12-04T20:51:34+02:00", "utc": "2046-12-04T18:51:34Z", "ms": 2427562293704.8457 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-03T19:05:17+02:00", "utc": "2046-12-03T17:05:17Z", "ms": 2427469516933.37 }, "end": { "local": "2046-12-04T20:51:34+02:00", "utc": "2046-12-04T18:51:34Z", "ms": 2427562293704.8457 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-12-03", "window": { "start": { "local": "2046-12-03T11:20:54+02:00", "utc": "2046-12-03T09:20:54Z", "ms": 2427441653672.634 }, "end": { "local": "2046-12-03T12:08:54+02:00", "utc": "2046-12-03T10:08:54Z", "ms": 2427444533672.634 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2046-12-04", "window": { "start": { "local": "2046-12-04T11:21:18+02:00", "utc": "2046-12-04T09:21:18Z", "ms": 2427528077949.5967 }, "end": { "local": "2046-12-04T12:09:18+02:00", "utc": "2046-12-04T10:09:18Z", "ms": 2427530957949.5967 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:05 on Mon 3 Dec to 20:52 on Tue 4 Dec.", "fact": "2046-12-03T17:05:17Z → 2046-12-04T18:51:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 3rd, 11:21–12:09 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 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: purvaviddha → only-day · margin 24983 s" }, { "step": "ruling", "text": "Mitra Saptamī, Giza, 2046: Tuesday 4 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-04", "confidence": "determinate" } ], "quote": "In Giza, Mitra Saptamī 2046 falls on Tuesday 4 December. Saptamī runs from 19:05 on Mon 3 Dec to 20:52 on Tue 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/ekadashi?on=2046-12-08", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 353, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-12-08T04:11:35+02:00", "utc": "2046-12-08T02:11:35Z", "ms": 2427847894690.726 }, "end": { "local": "2046-12-09T06:33:47+02:00", "utc": "2046-12-09T04:33:47Z", "ms": 2427942826609.8633 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-08T04:11:35+02:00", "utc": "2046-12-08T02:11:35Z", "ms": 2427847894690.726 }, "end": { "local": "2046-12-09T06:33:47+02:00", "utc": "2046-12-09T04:33:47Z", "ms": 2427942826609.8633 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-12-08", "window": { "start": { "local": "2046-12-08T06:38:56+02:00", "utc": "2046-12-08T04:38:56Z", "ms": 2427856736421.9956 }, "end": { "local": "2046-12-08T06:38:56+02:00", "utc": "2046-12-08T04:38:56Z", "ms": 2427856736421.9956 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-12-09", "window": { "start": { "local": "2046-12-09T06:39:39+02:00", "utc": "2046-12-09T04:39:39Z", "ms": 2427943179496.931 }, "end": { "local": "2046-12-09T06:39:39+02:00", "utc": "2046-12-09T04:39:39Z", "ms": 2427943179496.931 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:12 on Sat 8 Dec to 06:34 on Sun 9 Dec.", "fact": "2046-12-08T02:11:35Z → 2046-12-09T04:33:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 8th and 06:40 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 353 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Giza, 2046: Saturday 8 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": "2046-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-08", "confidence": "determinate" } ], "quote": "In Giza, Mokṣadā Ekādaśī 2046 falls on Saturday 8 December. Ekādaśī runs from 04:12 on Sat 8 Dec to 06:34 on Sun 9 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-12-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10100, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2046-12-09T06:33:47+02:00", "utc": "2046-12-09T04:33:47Z", "ms": 2427942826609.8633 }, "end": { "local": "2046-12-10T08:35:34+02:00", "utc": "2046-12-10T06:35:34Z", "ms": 2428036534366.7617 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-09T06:33:47+02:00", "utc": "2046-12-09T04:33:47Z", "ms": 2427942826609.8633 }, "end": { "local": "2046-12-10T08:35:34+02:00", "utc": "2046-12-10T06:35:34Z", "ms": 2428036534366.7617 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-12-09", "window": { "start": { "local": "2046-12-09T11:23:27+02:00", "utc": "2046-12-09T09:23:27Z", "ms": 2427960207144.0137 }, "end": { "local": "2046-12-09T12:11:27+02:00", "utc": "2046-12-09T10:11:27Z", "ms": 2427963087144.0137 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-12-10", "window": { "start": { "local": "2046-12-10T11:23:54+02:00", "utc": "2046-12-10T09:23:54Z", "ms": 2428046634363.6006 }, "end": { "local": "2046-12-10T12:11:54+02:00", "utc": "2046-12-10T10:11:54Z", "ms": 2428049514363.6006 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:34 on Sun 9 Dec to 08:36 on Mon 10 Dec.", "fact": "2046-12-09T04:33:47Z → 2046-12-10T06:35:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 9th, 11:24–12:12 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10100 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Giza, 2046: Sunday 9 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": "2046-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-09", "confidence": "determinate" } ], "quote": "In Giza, Akhaṇḍa Dvādaśī 2046 falls on Sunday 9 December. Dvādaśī runs from 06:34 on Sun 9 Dec to 08:36 on Mon 10 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/pradosha-vrata?on=2046-12-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24277, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-12-10T08:35:34+02:00", "utc": "2046-12-10T06:35:34Z", "ms": 2428036534366.7617 }, "end": { "local": "2046-12-11T10:11:04+02:00", "utc": "2046-12-11T08:11:04Z", "ms": 2428128663889.1294 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-10T08:35:34+02:00", "utc": "2046-12-10T06:35:34Z", "ms": 2428036534366.7617 }, "end": { "local": "2046-12-11T10:11:04+02:00", "utc": "2046-12-11T08:11:04Z", "ms": 2428128663889.1294 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-12-10", "window": { "start": { "local": "2046-12-10T16:55:27+02:00", "utc": "2046-12-10T14:55:27Z", "ms": 2428066526941.3184 }, "end": { "local": "2046-12-10T18:45:32+02:00", "utc": "2046-12-10T16:45:32Z", "ms": 2428073131782.2817 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "2046-12-11", "window": { "start": { "local": "2046-12-11T16:55:41+02:00", "utc": "2046-12-11T14:55:41Z", "ms": 2428152940714.3247 }, "end": { "local": "2046-12-11T18:45:49+02:00", "utc": "2046-12-11T16:45:49Z", "ms": 2428159549131.7847 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:36 on Mon 10 Dec to 10:11 on Tue 11 Dec.", "fact": "2046-12-10T06:35:34Z → 2046-12-11T08:11:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:55–18:46 on the 10th, 16:56–18:46 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 110 of 110 minutes on the 10th and 0 of 110 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24277 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Giza, 2046: Monday 10 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": "2046-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-10", "confidence": "determinate" } ], "quote": "In Giza, Śukla Pradoṣa Vrata 2046 falls on Monday 10 December. Trayodaśī runs from 08:36 on Mon 10 Dec to 10:11 on Tue 11 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18040, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2046-12-12T11:17:43+02:00", "utc": "2046-12-12T09:17:43Z", "ms": 2428219062779.19 }, "end": { "local": "2046-12-13T11:55:33+02:00", "utc": "2046-12-13T09:55:33Z", "ms": 2428307732814.459 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-12T11:17:43+02:00", "utc": "2046-12-12T09:17:43Z", "ms": 2428219062779.19 }, "end": { "local": "2046-12-13T11:55:33+02:00", "utc": "2046-12-13T09:55:33Z", "ms": 2428307732814.459 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-12-12", "window": { "start": { "local": "2046-12-12T16:55:56+02:00", "utc": "2046-12-12T14:55:56Z", "ms": 2428239356095.571 }, "end": { "local": "2046-12-12T18:46:08+02:00", "utc": "2046-12-12T16:46:08Z", "ms": 2428245967754.4385 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "2046-12-13", "window": { "start": { "local": "2046-12-13T16:56:13+02:00", "utc": "2046-12-13T14:56:13Z", "ms": 2428325773069.416 }, "end": { "local": "2046-12-13T18:46:28+02:00", "utc": "2046-12-13T16:46:28Z", "ms": 2428332387631.5684 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:18 on Wed 12 Dec to 11:56 on Thu 13 Dec.", "fact": "2046-12-12T09:17:43Z → 2046-12-13T09:55:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:56–18:46 on the 12th, 16:56–18:46 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 110 of 110 minutes on the 12th and 0 of 110 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18040 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Giza, 2046: Wednesday 12 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": "2046-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-12", "confidence": "determinate" } ], "quote": "In Giza, Dattātreyotpatti (Datta Jayanti) 2046 falls on Wednesday 12 December. Pūrṇimā runs from 11:18 on Wed 12 Dec to 11:56 on Thu 13 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/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": "/giza/festivals/2046/sankashta-chaturthi?on=2046-12-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31614, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-12-16T11:15:29+02:00", "utc": "2046-12-16T09:15:29Z", "ms": 2428564528787.5767 }, "end": { "local": "2046-12-17T10:18:39+02:00", "utc": "2046-12-17T08:18:39Z", "ms": 2428647519111.5894 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-16T11:15:29+02:00", "utc": "2046-12-16T09:15:29Z", "ms": 2428564528787.5767 }, "end": { "local": "2046-12-17T10:18:39+02:00", "utc": "2046-12-17T08:18:39Z", "ms": 2428647519111.5894 } }, "kaala": "moonrise", "days": [ { "local_date": "2046-12-16", "window": { "start": { "local": "2046-12-16T20:02:23+02:00", "utc": "2046-12-16T18:02:23Z", "ms": 2428596143199.386 }, "end": { "local": "2046-12-16T20:02:23+02:00", "utc": "2046-12-16T18:02:23Z", "ms": 2428596143199.386 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-12-17", "window": { "start": { "local": "2046-12-17T21:06:18+02:00", "utc": "2046-12-17T19:06:18Z", "ms": 2428686378216.862 }, "end": { "local": "2046-12-17T21:06:18+02:00", "utc": "2046-12-17T19:06:18Z", "ms": 2428686378216.862 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:15 on Sun 16 Dec to 10:19 on Mon 17 Dec.", "fact": "2046-12-16T09:15:29Z → 2046-12-17T08:18:39Z" }, { "step": "kaala", "text": "Moonrise is at 20:02 on the 16th and 21:06 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31614 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Giza, 2046: Sunday 16 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-16", "confidence": "determinate" } ], "quote": "In Giza, Saṅkaṣṭa Caturthī 2046 falls on Sunday 16 December. Caturthī runs from 11:15 on Sun 16 Dec to 10:19 on Mon 17 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/sankashta-chaturthi?on=2046-12-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/ekadashi?on=2046-12-23", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27700, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2046-12-22T23:06:22+02:00", "utc": "2046-12-22T21:06:22Z", "ms": 2429125582094.8784 }, "end": { "local": "2046-12-23T20:42:20+02:00", "utc": "2046-12-23T18:42:20Z", "ms": 2429203339675.256 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-22T23:06:22+02:00", "utc": "2046-12-22T21:06:22Z", "ms": 2429125582094.8784 }, "end": { "local": "2046-12-23T20:42:20+02:00", "utc": "2046-12-23T18:42:20Z", "ms": 2429203339675.256 } }, "kaala": "sunrise", "days": [ { "local_date": "2046-12-23", "window": { "start": { "local": "2046-12-23T06:48:02+02:00", "utc": "2046-12-23T04:48:02Z", "ms": 2429153282419.648 }, "end": { "local": "2046-12-23T06:48:02+02:00", "utc": "2046-12-23T04:48:02Z", "ms": 2429153282419.648 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2046-12-24", "window": { "start": { "local": "2046-12-24T06:48:30+02:00", "utc": "2046-12-24T04:48:30Z", "ms": 2429239709697.5757 }, "end": { "local": "2046-12-24T06:48:30+02:00", "utc": "2046-12-24T04:48:30Z", "ms": 2429239709697.5757 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:06 on Sat 22 Dec to 20:42 on Sun 23 Dec.", "fact": "2046-12-22T21:06:22Z → 2046-12-23T18:42:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 23rd and 06:48 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27700 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Giza, 2046: Sunday 23 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-23", "confidence": "determinate" } ], "quote": "In Giza, Saphalā Ekādaśī 2046 falls on Sunday 23 December. Ekādaśī runs from 23:06 on Sat 22 Dec to 20:42 on Sun 23 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/giza/festivals/2046/ekadashi?on=2046-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/pradosha-vrata?on=2046-12-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1832, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2046-12-24T18:20:50+02:00", "utc": "2046-12-24T16:20:50Z", "ms": 2429281250354.5684 }, "end": { "local": "2046-12-25T16:08:24+02:00", "utc": "2046-12-25T14:08:24Z", "ms": 2429359703652.83 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-24T18:20:50+02:00", "utc": "2046-12-24T16:20:50Z", "ms": 2429281250354.5684 }, "end": { "local": "2046-12-25T16:08:24+02:00", "utc": "2046-12-25T14:08:24Z", "ms": 2429359703652.83 } }, "kaala": "pradosha", "days": [ { "local_date": "2046-12-24", "window": { "start": { "local": "2046-12-24T17:00:59+02:00", "utc": "2046-12-24T15:00:59Z", "ms": 2429276459011.4917 }, "end": { "local": "2046-12-24T18:51:23+02:00", "utc": "2046-12-24T16:51:23Z", "ms": 2429283082560.585 } }, "covered_min": 31, "window_min": 110, "qualifies": true }, { "local_date": "2046-12-25", "window": { "start": { "local": "2046-12-25T17:01:33+02:00", "utc": "2046-12-25T15:01:33Z", "ms": 2429362893301.483 }, "end": { "local": "2046-12-25T18:51:56+02:00", "utc": "2046-12-25T16:51:56Z", "ms": 2429369515552.0713 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:21 on Mon 24 Dec to 16:08 on Tue 25 Dec.", "fact": "2046-12-24T16:20:50Z → 2046-12-25T14:08:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:01–18:51 on the 24th, 17:02–18:52 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 31 of 110 minutes on the 24th and 0 of 110 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1832 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Giza, 2046: Monday 24 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": "2046-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-24", "confidence": "determinate" } ], "quote": "In Giza, Kṛṣṇa Pradoṣa Vrata 2046 falls on Monday 24 December. Trayodaśī runs from 18:21 on Mon 24 Dec to 16:08 on Tue 25 Dec and covers 31 of 110 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/giza/festivals/2046/pradosha-vrata?on=2046-12-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/shivaratri?on=2046-12-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26583, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2046-12-25T16:08:24+02:00", "utc": "2046-12-25T14:08:24Z", "ms": 2429359703652.83 }, "end": { "local": "2046-12-26T14:12:03+02:00", "utc": "2046-12-26T12:12:03Z", "ms": 2429439122633.181 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-25T16:08:24+02:00", "utc": "2046-12-25T14:08:24Z", "ms": 2429359703652.83 }, "end": { "local": "2046-12-26T14:12:03+02:00", "utc": "2046-12-26T12:12:03Z", "ms": 2429439122633.181 } }, "kaala": "nishita", "days": [ { "local_date": "2046-12-25", "window": { "start": { "local": "2046-12-25T23:31:27+02:00", "utc": "2046-12-25T21:31:27Z", "ms": 2429386286741.1885 }, "end": { "local": "2046-12-26T00:19:27+02:00", "utc": "2046-12-25T22:19:27Z", "ms": 2429389166741.1885 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-12-26", "window": { "start": { "local": "2046-12-26T23:31:56+02:00", "utc": "2046-12-26T21:31:56Z", "ms": 2429472716065.2046 }, "end": { "local": "2046-12-27T00:19:56+02:00", "utc": "2046-12-26T22:19:56Z", "ms": 2429475596065.2046 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:08 on Tue 25 Dec to 14:12 on Wed 26 Dec.", "fact": "2046-12-25T14:08:24Z → 2046-12-26T12:12:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:31–00:19 on the 25th, 23:32–00:20 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26583 s" }, { "step": "ruling", "text": "Śivarātri, Giza, 2046: Tuesday 25 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2046-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-25", "confidence": "determinate" } ], "quote": "In Giza, Śivarātri 2046 falls on Tuesday 25 December. Caturdaśī runs from 16:08 on Tue 25 Dec to 14:12 on Wed 26 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/giza/festivals/2046/shivaratri?on=2046-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/giza/festivals/2046/vinayaka-chaturthi?on=2046-12-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360995", "year": 2046, "local_date": "2046-12-30", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 418, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2046-12-30T11:21:42+02:00", "utc": "2046-12-30T09:21:42Z", "ms": 2429774502433.509 }, "end": { "local": "2046-12-31T12:15:14+02:00", "utc": "2046-12-31T10:15:14Z", "ms": 2429864113752.025 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2046-12-30T11:21:42+02:00", "utc": "2046-12-30T09:21:42Z", "ms": 2429774502433.509 }, "end": { "local": "2046-12-31T12:15:14+02:00", "utc": "2046-12-31T10:15:14Z", "ms": 2429864113752.025 } }, "kaala": "madhyahna", "days": [ { "local_date": "2046-12-30", "window": { "start": { "local": "2046-12-30T11:33:43+02:00", "utc": "2046-12-30T09:33:43Z", "ms": 2429775223046.1924 }, "end": { "local": "2046-12-30T12:21:43+02:00", "utc": "2046-12-30T10:21:43Z", "ms": 2429778103046.1924 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2046-12-31", "window": { "start": { "local": "2046-12-31T11:34:12+02:00", "utc": "2046-12-31T09:34:12Z", "ms": 2429861652099.8467 }, "end": { "local": "2046-12-31T12:22:12+02:00", "utc": "2046-12-31T10:22:12Z", "ms": 2429864532099.8467 } }, "covered_min": 41, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:22 on Sun 30 Dec to 12:15 on Mon 31 Dec.", "fact": "2046-12-30T09:21:42Z → 2046-12-31T10:15:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 30th, 11:34–12:22 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 41 of 48 on the 31st.", "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 418 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Giza, 2046: Sunday 30 December.", "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": "2046-12-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2046-12-30", "confidence": "boundary" } ], "quote": "In Giza, Vināyaka Caturthī 2046 falls on Sunday 30 December. Caturthī runs from 11:22 on Sun 30 Dec to 12:15 on Mon 31 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 41 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/giza/festivals/2046/vinayaka-chaturthi?on=2046-12-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }