{ "id": "/valencia/festivals/2099", "place": { "id": "3625549", "slug": "valencia", "name": "Valencia", "region": "Carabobo, Venezuela", "country": "VE", "lat": 10.16153, "lon": -68.00044, "elevation_m": 547, "tz": "America/Caracas" }, "year": 2099, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/valencia/festivals/2099/ekadashi?on=2099-01-02", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1255, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-01-02T06:29:19-04:00", "utc": "2099-01-02T10:29:19Z", "ms": 4071032959458.0967 }, "end": { "local": "2099-01-03T06:15:59-04:00", "utc": "2099-01-03T10:15:59Z", "ms": 4071118559282.0713 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-01-02T06:29:19-04:00", "utc": "2099-01-02T10:29:19Z", "ms": 4071032959458.0967 }, "end": { "local": "2099-01-03T06:15:59-04:00", "utc": "2099-01-03T10:15:59Z", "ms": 4071118559282.0713 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-01-02", "window": { "start": { "local": "2099-01-02T06:50:14-04:00", "utc": "2099-01-02T10:50:14Z", "ms": 4071034214036.991 }, "end": { "local": "2099-01-02T06:50:14-04:00", "utc": "2099-01-02T10:50:14Z", "ms": 4071034214036.991 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-01-03", "window": { "start": { "local": "2099-01-03T06:50:37-04:00", "utc": "2099-01-03T10:50:37Z", "ms": 4071120636746.627 }, "end": { "local": "2099-01-03T06:50:37-04:00", "utc": "2099-01-03T10:50:37Z", "ms": 4071120636746.627 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:29 on Fri 2 Jan to 06:16 on Sat 3 Jan.", "fact": "2099-01-02T10:29:19Z → 2099-01-03T10:15:59Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 2nd and 06:51 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 1255 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Valencia, 2099: Friday 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": "2099-01-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-02", "confidence": "determinate" } ], "quote": "In Valencia, Putradā Ekādaśī 2099 falls on Friday 2 January. Ekādaśī runs from 06:29 on Fri 2 Jan to 06:16 on Sat 3 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-01-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-01-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26164, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-01-04T05:10:57-04:00", "utc": "2099-01-04T09:10:57Z", "ms": 4071201057101.4707 }, "end": { "local": "2099-01-05T03:19:32-04:00", "utc": "2099-01-05T07:19:32Z", "ms": 4071280772437.4473 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-01-04T05:10:57-04:00", "utc": "2099-01-04T09:10:57Z", "ms": 4071201057101.4707 }, "end": { "local": "2099-01-05T03:19:32-04:00", "utc": "2099-01-05T07:19:32Z", "ms": 4071280772437.4473 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-01-03", "window": { "start": { "local": "2099-01-03T18:23:16-04:00", "utc": "2099-01-03T22:23:16Z", "ms": 4071162196226.034 }, "end": { "local": "2099-01-03T20:02:58-04:00", "utc": "2099-01-04T00:02:58Z", "ms": 4071168177887.7974 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2099-01-04", "window": { "start": { "local": "2099-01-04T18:23:48-04:00", "utc": "2099-01-04T22:23:48Z", "ms": 4071248628484.843 }, "end": { "local": "2099-01-04T20:03:29-04:00", "utc": "2099-01-05T00:03:29Z", "ms": 4071254608665.998 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:11 on Sun 4 Jan to 03:20 on Mon 5 Jan.", "fact": "2099-01-04T09:10:57Z → 2099-01-05T07:19:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–20:03 on the 3rd, 18:24–20:03 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 100 minutes on the 3rd and 100 of 100 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 26164 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Sunday 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": "2099-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-04", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Sunday 4 January. Trayodaśī runs from 05:11 on Sun 4 Jan to 03:20 on Mon 5 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-01-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33832, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-01-09T11:59:22-04:00", "utc": "2099-01-09T15:59:22Z", "ms": 4071657562332.2896 }, "end": { "local": "2099-01-10T08:55:18-04:00", "utc": "2099-01-10T12:55:18Z", "ms": 4071732917617.183 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-09T11:59:22-04:00", "utc": "2099-01-09T15:59:22Z", "ms": 4071657562332.2896 }, "end": { "local": "2099-01-10T08:55:18-04:00", "utc": "2099-01-10T12:55:18Z", "ms": 4071732917617.183 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-01-09", "window": { "start": { "local": "2099-01-09T21:23:15-04:00", "utc": "2099-01-10T01:23:15Z", "ms": 4071691394731.239 }, "end": { "local": "2099-01-09T21:23:15-04:00", "utc": "2099-01-10T01:23:15Z", "ms": 4071691394731.239 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-01-10", "window": { "start": { "local": "2099-01-10T22:19:45-04:00", "utc": "2099-01-11T02:19:45Z", "ms": 4071781184518.987 }, "end": { "local": "2099-01-10T22:19:45-04:00", "utc": "2099-01-11T02:19:45Z", "ms": 4071781184518.987 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:59 on Fri 9 Jan to 08:55 on Sat 10 Jan.", "fact": "2099-01-09T15:59:22Z → 2099-01-10T12:55:18Z" }, { "step": "kaala", "text": "Moonrise is at 21:23 on the 9th and 22:20 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33832 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Friday 9 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": "2099-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-09", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Friday 9 January. Caturthī runs from 11:59 on Fri 9 Jan to 08:55 on Sat 10 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-01-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15993, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 }, "end": { "local": "2099-02-13T11:53:57-04:00", "utc": "2099-02-13T15:53:57Z", "ms": 4074681237461.224 } }, "span": { "of": "transit", "start": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 }, "end": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 } }, "kaala": "sunset-day", "days": [ { "local_date": "2099-01-14", "window": { "start": { "local": "2099-01-13T18:28:32-04:00", "utc": "2099-01-13T22:28:32Z", "ms": 4072026511873.8223 }, "end": { "local": "2099-01-14T18:29:02-04:00", "utc": "2099-01-14T22:29:02Z", "ms": 4072112942130.911 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2099-01-15", "window": { "start": { "local": "2099-01-14T18:29:02-04:00", "utc": "2099-01-14T22:29:02Z", "ms": 4072112942130.911 }, "end": { "local": "2099-01-15T18:29:32-04:00", "utc": "2099-01-15T22:29:32Z", "ms": 4072199372048.4097 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2099-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 22:56 on Wed 14 Jan.", "fact": "2099-01-15T02:55:35Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:29, and the day of the 15th ends at 18:30.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 15993 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Thursday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Valencia, 2099: Wednesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2099-01-13", "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": "2099-01-13", "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 Valencia, Bhogi 2099 falls on Wednesday 14 January. It is kept the day before Pongal, which falls on Thursday 15 January. The Sun enters Makara at 22:56 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3865, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 }, "end": { "local": "2099-02-13T11:53:57-04:00", "utc": "2099-02-13T15:53:57Z", "ms": 4074681237461.224 } }, "span": { "of": "transit", "start": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 }, "end": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 } }, "kaala": "civil-day", "days": [ { "local_date": "2099-01-14", "window": { "start": { "local": "2099-01-14T00:00:00-04:00", "utc": "2099-01-14T04:00:00Z", "ms": 4072046400000 }, "end": { "local": "2099-01-15T00:00:00-04:00", "utc": "2099-01-15T04:00:00Z", "ms": 4072132800000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2099-01-15", "window": { "start": { "local": "2099-01-15T00:00:00-04:00", "utc": "2099-01-15T04:00:00Z", "ms": 4072132800000 }, "end": { "local": "2099-01-16T00:00:00-04:00", "utc": "2099-01-16T04:00:00Z", "ms": 4072219200000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 22:56 on Wed 14 Jan.", "fact": "2099-01-15T02:55:35Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Valencia.", "fact": "civil-day: midnight-to-midnight · America/Caracas" }, { "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 3865 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Valencia, 2099: Wednesday 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": "2099-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2099-01-14", "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": "2099-01-15", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Valencia, Makara Saṅkrānti 2099 falls on Wednesday 14 January. The Sun enters Makara at 22:56 on Wed 14 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 January.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15993, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 }, "end": { "local": "2099-02-13T11:53:57-04:00", "utc": "2099-02-13T15:53:57Z", "ms": 4074681237461.224 } }, "span": { "of": "transit", "start": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 }, "end": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 } }, "kaala": "sunset-day", "days": [ { "local_date": "2099-01-14", "window": { "start": { "local": "2099-01-13T18:28:32-04:00", "utc": "2099-01-13T22:28:32Z", "ms": 4072026511873.8223 }, "end": { "local": "2099-01-14T18:29:02-04:00", "utc": "2099-01-14T22:29:02Z", "ms": 4072112942130.911 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2099-01-15", "window": { "start": { "local": "2099-01-14T18:29:02-04:00", "utc": "2099-01-14T22:29:02Z", "ms": 4072112942130.911 }, "end": { "local": "2099-01-15T18:29:32-04:00", "utc": "2099-01-15T22:29:32Z", "ms": 4072199372048.4097 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 22:56 on Wed 14 Jan.", "fact": "2099-01-15T02:55:35Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:29, and the day of the 15th ends at 18:30.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 15993 s" }, { "step": "ruling", "text": "Pongal, Valencia, 2099: Thursday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2099-01-14", "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": "2099-01-14", "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 Valencia, Pongal 2099 falls on Thursday 15 January. The Sun enters Makara at 22:56 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15993, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 }, "end": { "local": "2099-02-13T11:53:57-04:00", "utc": "2099-02-13T15:53:57Z", "ms": 4074681237461.224 } }, "span": { "of": "transit", "start": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 }, "end": { "local": "2099-01-14T22:55:35-04:00", "utc": "2099-01-15T02:55:35Z", "ms": 4072128935011.509 } }, "kaala": "sunset-day", "days": [ { "local_date": "2099-01-14", "window": { "start": { "local": "2099-01-13T18:28:32-04:00", "utc": "2099-01-13T22:28:32Z", "ms": 4072026511873.8223 }, "end": { "local": "2099-01-14T18:29:02-04:00", "utc": "2099-01-14T22:29:02Z", "ms": 4072112942130.911 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2099-01-15", "window": { "start": { "local": "2099-01-14T18:29:02-04:00", "utc": "2099-01-14T22:29:02Z", "ms": 4072112942130.911 }, "end": { "local": "2099-01-15T18:29:32-04:00", "utc": "2099-01-15T22:29:32Z", "ms": 4072199372048.4097 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2099-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 22:56 on Wed 14 Jan.", "fact": "2099-01-15T02:55:35Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:29, and the day of the 15th ends at 18:30.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 15993 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Thursday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Valencia, 2099: Friday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2099-01-15", "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": "2099-01-15", "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 Valencia, Mattu Pongal 2099 falls on Friday 16 January. It is kept the day after Pongal, which falls on Thursday 15 January. The Sun enters Makara at 22:56 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-01-16", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24109, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-01-15T23:58:24-04:00", "utc": "2099-01-16T03:58:24Z", "ms": 4072219104128.237 }, "end": { "local": "2099-01-17T00:12:37-04:00", "utc": "2099-01-17T04:12:37Z", "ms": 4072306356857.6353 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-15T23:58:24-04:00", "utc": "2099-01-16T03:58:24Z", "ms": 4072219104128.237 }, "end": { "local": "2099-01-17T00:12:37-04:00", "utc": "2099-01-17T04:12:37Z", "ms": 4072306356857.6353 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-01-16", "window": { "start": { "local": "2099-01-16T06:54:16-04:00", "utc": "2099-01-16T10:54:16Z", "ms": 4072244055727.2266 }, "end": { "local": "2099-01-16T06:54:16-04:00", "utc": "2099-01-16T10:54:16Z", "ms": 4072244055727.2266 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-01-17", "window": { "start": { "local": "2099-01-17T06:54:26-04:00", "utc": "2099-01-17T10:54:26Z", "ms": 4072330466168.872 }, "end": { "local": "2099-01-17T06:54:26-04:00", "utc": "2099-01-17T10:54:26Z", "ms": 4072330466168.872 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:58 on Thu 15 Jan to 00:13 on Sat 17 Jan.", "fact": "2099-01-16T03:58:24Z → 2099-01-17T04:12:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 16th and 06:54 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 24109 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Valencia, 2099: Friday 16 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": "2099-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-16", "confidence": "determinate" } ], "quote": "In Valencia, Ṣaṭtilā Ekādaśī 2099 falls on Friday 16 January. Ekādaśī runs from 23:58 on Thu 15 Jan to 00:13 on Sat 17 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-01-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-01-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16944, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-01-18T00:52:07-04:00", "utc": "2099-01-18T04:52:07Z", "ms": 4072395127339.0264 }, "end": { "local": "2099-01-19T01:55:20-04:00", "utc": "2099-01-19T05:55:20Z", "ms": 4072485320265.767 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-18T00:52:07-04:00", "utc": "2099-01-18T04:52:07Z", "ms": 4072395127339.0264 }, "end": { "local": "2099-01-19T01:55:20-04:00", "utc": "2099-01-19T05:55:20Z", "ms": 4072485320265.767 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-01-17", "window": { "start": { "local": "2099-01-17T18:30:31-04:00", "utc": "2099-01-17T22:30:31Z", "ms": 4072372230760.085 }, "end": { "local": "2099-01-17T20:09:43-04:00", "utc": "2099-01-18T00:09:43Z", "ms": 4072378183408.8813 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2099-01-18", "window": { "start": { "local": "2099-01-18T18:31:00-04:00", "utc": "2099-01-18T22:31:00Z", "ms": 4072458659502.9727 }, "end": { "local": "2099-01-18T20:10:09-04:00", "utc": "2099-01-19T00:10:09Z", "ms": 4072464609447.4814 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:52 on Sun 18 Jan to 01:55 on Mon 19 Jan.", "fact": "2099-01-18T04:52:07Z → 2099-01-19T05:55:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:10 on the 17th, 18:31–20:10 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 17th and 99 of 99 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 16944 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Sunday 18 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": "2099-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-18", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Sunday 18 January. Trayodaśī runs from 00:52 on Sun 18 Jan to 01:55 on Mon 19 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-01-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6865, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-01-19T01:55:20-04:00", "utc": "2099-01-19T05:55:20Z", "ms": 4072485320265.767 }, "end": { "local": "2099-01-20T03:21:20-04:00", "utc": "2099-01-20T07:21:20Z", "ms": 4072576879581.6587 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-19T01:55:20-04:00", "utc": "2099-01-19T05:55:20Z", "ms": 4072485320265.767 }, "end": { "local": "2099-01-20T03:21:20-04:00", "utc": "2099-01-20T07:21:20Z", "ms": 4072576879581.6587 } }, "kaala": "arunodaya", "days": [ { "local_date": "2099-01-19", "window": { "start": { "local": "2099-01-19T05:15:34-04:00", "utc": "2099-01-19T09:15:34Z", "ms": 4072497334142.2783 }, "end": { "local": "2099-01-19T06:54:44-04:00", "utc": "2099-01-19T10:54:44Z", "ms": 4072503284086.787 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2099-01-20", "window": { "start": { "local": "2099-01-20T05:15:44-04:00", "utc": "2099-01-20T09:15:44Z", "ms": 4072583744375.2896 }, "end": { "local": "2099-01-20T06:54:52-04:00", "utc": "2099-01-20T10:54:52Z", "ms": 4072589691540.0776 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:55 on Mon 19 Jan to 03:21 on Tue 20 Jan.", "fact": "2099-01-19T05:55:20Z → 2099-01-20T07:21:20Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:16–06:55 on the 19th, 05:16–06:55 on the 20th.", "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 99 of 99 minutes on the 19th and 0 of 99 on the 20th.", "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 6865 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Valencia, 2099: Monday 19 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-19", "confidence": "determinate" } ], "quote": "In Valencia, Yama Tarpaṇa 2099 falls on Monday 19 January. Caturdaśī runs from 01:55 on Mon 19 Jan to 03:21 on Tue 20 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/shivaratri?on=2099-01-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2908, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-01-19T01:55:20-04:00", "utc": "2099-01-19T05:55:20Z", "ms": 4072485320265.767 }, "end": { "local": "2099-01-20T03:21:20-04:00", "utc": "2099-01-20T07:21:20Z", "ms": 4072576879581.6587 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-19T01:55:20-04:00", "utc": "2099-01-19T05:55:20Z", "ms": 4072485320265.767 }, "end": { "local": "2099-01-20T03:21:20-04:00", "utc": "2099-01-20T07:21:20Z", "ms": 4072576879581.6587 } }, "kaala": "nishita", "days": [ { "local_date": "2099-01-18", "window": { "start": { "local": "2099-01-19T00:18:52-04:00", "utc": "2099-01-19T04:18:52Z", "ms": 4072479531794.88 }, "end": { "local": "2099-01-19T01:06:52-04:00", "utc": "2099-01-19T05:06:52Z", "ms": 4072482411794.88 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-01-19", "window": { "start": { "local": "2099-01-20T00:19:10-04:00", "utc": "2099-01-20T04:19:10Z", "ms": 4072565949672.122 }, "end": { "local": "2099-01-20T01:07:10-04:00", "utc": "2099-01-20T05:07:10Z", "ms": 4072568829672.122 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:55 on Mon 19 Jan to 03:21 on Tue 20 Jan.", "fact": "2099-01-19T05:55:20Z → 2099-01-20T07:21:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:19–01:07 on the 18th, 00:19–01:07 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2908 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Monday 19 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": "2099-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-19", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 2099 falls on Monday 19 January. Caturdaśī runs from 01:55 on Mon 19 Jan to 03:21 on Tue 20 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 384, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-01-24T12:26:50-04:00", "utc": "2099-01-24T16:26:50Z", "ms": 4072955210053.2715 }, "end": { "local": "2099-01-25T15:12:50-04:00", "utc": "2099-01-25T19:12:50Z", "ms": 4073051569596.6333 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-24T12:26:50-04:00", "utc": "2099-01-24T16:26:50Z", "ms": 4072955210053.2715 }, "end": { "local": "2099-01-25T15:12:50-04:00", "utc": "2099-01-25T19:12:50Z", "ms": 4073051569596.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-01-24", "window": { "start": { "local": "2099-01-24T12:20:27-04:00", "utc": "2099-01-24T16:20:27Z", "ms": 4072954826501.6396 }, "end": { "local": "2099-01-24T13:08:27-04:00", "utc": "2099-01-24T17:08:27Z", "ms": 4072957706501.6396 } }, "covered_min": 42, "window_min": 48, "qualifies": true }, { "local_date": "2099-01-25", "window": { "start": { "local": "2099-01-25T12:20:40-04:00", "utc": "2099-01-25T16:20:40Z", "ms": 4073041240249.42 }, "end": { "local": "2099-01-25T13:08:40-04:00", "utc": "2099-01-25T17:08:40Z", "ms": 4073044120249.42 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:27 on Sat 24 Jan to 15:13 on Sun 25 Jan.", "fact": "2099-01-24T16:26:50Z → 2099-01-25T19:12:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 24th, 12:21–13:09 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 42 of 48 minutes on the 24th and 48 of 48 on the 25th.", "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 384 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Valencia, 2099: Saturday 24 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-24", "confidence": "determinate" } ], "quote": "In Valencia, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2099 falls on Saturday 24 January. Caturthī runs from 12:27 on Sat 24 Jan to 15:13 on Sun 25 Jan and covers 42 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12078, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-01-24T12:26:50-04:00", "utc": "2099-01-24T16:26:50Z", "ms": 4072955210053.2715 }, "end": { "local": "2099-01-25T15:12:50-04:00", "utc": "2099-01-25T19:12:50Z", "ms": 4073051569596.6333 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-24T12:26:50-04:00", "utc": "2099-01-24T16:26:50Z", "ms": 4072955210053.2715 }, "end": { "local": "2099-01-25T15:12:50-04:00", "utc": "2099-01-25T19:12:50Z", "ms": 4073051569596.6333 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-01-24", "window": { "start": { "local": "2099-01-24T18:33:42-04:00", "utc": "2099-01-24T22:33:42Z", "ms": 4072977221900.8135 }, "end": { "local": "2099-01-24T20:12:34-04:00", "utc": "2099-01-25T00:12:34Z", "ms": 4072983154100.516 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2099-01-25", "window": { "start": { "local": "2099-01-25T18:34:07-04:00", "utc": "2099-01-25T22:34:07Z", "ms": 4073063647100.2554 }, "end": { "local": "2099-01-25T20:12:56-04:00", "utc": "2099-01-26T00:12:56Z", "ms": 4073069576106.814 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:27 on Sat 24 Jan to 15:13 on Sun 25 Jan.", "fact": "2099-01-24T16:26:50Z → 2099-01-25T19:12:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:13 on the 24th, 18:34–20:13 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 99 of 99 minutes on the 24th and 0 of 99 on the 25th.", "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 12078 s" }, { "step": "ruling", "text": "Tila Caturthī, Valencia, 2099: Saturday 24 January.", "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": "2099-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-24", "confidence": "determinate" } ], "quote": "In Valencia, Tila Caturthī 2099 falls on Saturday 24 January. Caturthī runs from 12:27 on Sat 24 Jan to 15:13 on Sun 25 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7449, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2099-01-25T15:12:50-04:00", "utc": "2099-01-25T19:12:50Z", "ms": 4073051569596.6333 }, "end": { "local": "2099-01-26T17:52:50-04:00", "utc": "2099-01-26T21:52:50Z", "ms": 4073147570073.622 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-25T15:12:50-04:00", "utc": "2099-01-25T19:12:50Z", "ms": 4073051569596.6333 }, "end": { "local": "2099-01-26T17:52:50-04:00", "utc": "2099-01-26T21:52:50Z", "ms": 4073147570073.622 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-01-25", "window": { "start": { "local": "2099-01-25T12:20:40-04:00", "utc": "2099-01-25T16:20:40Z", "ms": 4073041240249.42 }, "end": { "local": "2099-01-25T13:08:40-04:00", "utc": "2099-01-25T17:08:40Z", "ms": 4073044120249.42 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-01-26", "window": { "start": { "local": "2099-01-26T12:20:53-04:00", "utc": "2099-01-26T16:20:53Z", "ms": 4073127653185.0293 }, "end": { "local": "2099-01-26T13:08:53-04:00", "utc": "2099-01-26T17:08:53Z", "ms": 4073130533185.0293 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:13 on Sun 25 Jan to 17:53 on Mon 26 Jan.", "fact": "2099-01-25T19:12:50Z → 2099-01-26T21:52:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 25th, 12:21–13:09 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7449 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Valencia, 2099: Monday 26 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-26", "confidence": "determinate" } ], "quote": "In Valencia, Śrī Pañcamī 2099 falls on Monday 26 January. Pañcamī runs from 15:13 on Sun 25 Jan to 17:53 on Mon 26 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7449, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2099-01-25T15:12:50-04:00", "utc": "2099-01-25T19:12:50Z", "ms": 4073051569596.6333 }, "end": { "local": "2099-01-26T17:52:50-04:00", "utc": "2099-01-26T21:52:50Z", "ms": 4073147570073.622 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-25T15:12:50-04:00", "utc": "2099-01-25T19:12:50Z", "ms": 4073051569596.6333 }, "end": { "local": "2099-01-26T17:52:50-04:00", "utc": "2099-01-26T21:52:50Z", "ms": 4073147570073.622 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-01-25", "window": { "start": { "local": "2099-01-25T12:20:40-04:00", "utc": "2099-01-25T16:20:40Z", "ms": 4073041240249.42 }, "end": { "local": "2099-01-25T13:08:40-04:00", "utc": "2099-01-25T17:08:40Z", "ms": 4073044120249.42 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-01-26", "window": { "start": { "local": "2099-01-26T12:20:53-04:00", "utc": "2099-01-26T16:20:53Z", "ms": 4073127653185.0293 }, "end": { "local": "2099-01-26T13:08:53-04:00", "utc": "2099-01-26T17:08:53Z", "ms": 4073130533185.0293 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:13 on Sun 25 Jan to 17:53 on Mon 26 Jan.", "fact": "2099-01-25T19:12:50Z → 2099-01-26T21:52:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 25th, 12:21–13:09 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7449 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Valencia, 2099: Monday 26 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-26", "confidence": "determinate" } ], "quote": "In Valencia, Vasanta Pañcamī 2099 falls on Monday 26 January. Pañcamī runs from 15:13 on Sun 25 Jan to 17:53 on Mon 26 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26063, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2099-01-27T20:13:42-04:00", "utc": "2099-01-28T00:13:42Z", "ms": 4073242422434.03 }, "end": { "local": "2099-01-28T22:02:10-04:00", "utc": "2099-01-29T02:02:10Z", "ms": 4073335329805.8286 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-27T20:13:42-04:00", "utc": "2099-01-28T00:13:42Z", "ms": 4073242422434.03 }, "end": { "local": "2099-01-28T22:02:10-04:00", "utc": "2099-01-29T02:02:10Z", "ms": 4073335329805.8286 } }, "kaala": "arunodaya", "days": [ { "local_date": "2099-01-28", "window": { "start": { "local": "2099-01-28T05:16:32-04:00", "utc": "2099-01-28T09:16:32Z", "ms": 4073274991577.456 }, "end": { "local": "2099-01-28T06:55:14-04:00", "utc": "2099-01-28T10:55:14Z", "ms": 4073280914012.724 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2099-01-29", "window": { "start": { "local": "2099-01-29T05:16:33-04:00", "utc": "2099-01-29T09:16:33Z", "ms": 4073361393066.752 }, "end": { "local": "2099-01-29T06:55:12-04:00", "utc": "2099-01-29T10:55:12Z", "ms": 4073367312127.646 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:14 on Tue 27 Jan to 22:02 on Wed 28 Jan.", "fact": "2099-01-28T00:13:42Z → 2099-01-29T02:02:10Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:17–06:55 on the 28th, 05:17–06:55 on the 29th.", "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 99 of 99 minutes on the 28th and 0 of 99 on the 29th.", "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 26063 s" }, { "step": "ruling", "text": "Ratha Saptamī, Valencia, 2099: Wednesday 28 January.", "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": "2099-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-01-28", "confidence": "determinate" } ], "quote": "In Valencia, Ratha Saptamī 2099 falls on Wednesday 28 January. Saptamī runs from 20:14 on Tue 27 Jan to 22:02 on Wed 28 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-02-01", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29662, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-01-31T22:40:39-04:00", "utc": "2099-02-01T02:40:39Z", "ms": 4073596838601.9097 }, "end": { "local": "2099-02-01T21:08:41-04:00", "utc": "2099-02-02T01:08:41Z", "ms": 4073677721329.424 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-01-31T22:40:39-04:00", "utc": "2099-02-01T02:40:39Z", "ms": 4073596838601.9097 }, "end": { "local": "2099-02-01T21:08:41-04:00", "utc": "2099-02-02T01:08:41Z", "ms": 4073677721329.424 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-02-01", "window": { "start": { "local": "2099-02-01T06:55:00-04:00", "utc": "2099-02-01T10:55:00Z", "ms": 4073626500253.5186 }, "end": { "local": "2099-02-01T06:55:00-04:00", "utc": "2099-02-01T10:55:00Z", "ms": 4073626500253.5186 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-02-02", "window": { "start": { "local": "2099-02-02T06:54:54-04:00", "utc": "2099-02-02T10:54:54Z", "ms": 4073712894245.684 }, "end": { "local": "2099-02-02T06:54:54-04:00", "utc": "2099-02-02T10:54:54Z", "ms": 4073712894245.684 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:41 on Sat 31 Jan to 21:09 on Sun 1 Feb.", "fact": "2099-02-01T02:40:39Z → 2099-02-02T01:08:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:55 on the 1st and 06:55 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 29662 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Valencia, 2099: Sunday 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": "2099-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-02-01", "confidence": "determinate" } ], "quote": "In Valencia, Jayā Ekādaśī 2099 falls on Sunday 1 February. Ekādaśī runs from 22:41 on Sat 31 Jan to 21:09 on Sun 1 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-02-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20431, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2099-02-01T21:08:41-04:00", "utc": "2099-02-02T01:08:41Z", "ms": 4073677721329.424 }, "end": { "local": "2099-02-02T18:50:31-04:00", "utc": "2099-02-02T22:50:31Z", "ms": 4073755831375.206 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-02-01T21:08:41-04:00", "utc": "2099-02-02T01:08:41Z", "ms": 4073677721329.424 }, "end": { "local": "2099-02-02T18:50:31-04:00", "utc": "2099-02-02T22:50:31Z", "ms": 4073755831375.206 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-02-01", "window": { "start": { "local": "2099-02-01T12:21:53-04:00", "utc": "2099-02-01T16:21:53Z", "ms": 4073646113441.336 }, "end": { "local": "2099-02-01T13:09:53-04:00", "utc": "2099-02-01T17:09:53Z", "ms": 4073648993441.336 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-02-02", "window": { "start": { "local": "2099-02-02T12:22:01-04:00", "utc": "2099-02-02T16:22:01Z", "ms": 4073732520575.543 }, "end": { "local": "2099-02-02T13:10:01-04:00", "utc": "2099-02-02T17:10:01Z", "ms": 4073735400575.543 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:09 on Sun 1 Feb to 18:51 on Mon 2 Feb.", "fact": "2099-02-02T01:08:41Z → 2099-02-02T22:50:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 1st, 12:22–13:10 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20431 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Valencia, 2099: Monday 2 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": "2099-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-02-02", "confidence": "determinate" } ], "quote": "In Valencia, Bhīṣma Dvādaśī 2099 falls on Monday 2 February. Dvādaśī runs from 21:09 on Sun 1 Feb to 18:51 on Mon 2 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/pradosha-vrata?on=2099-02-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 804, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-02-02T18:50:31-04:00", "utc": "2099-02-02T22:50:31Z", "ms": 4073755831375.206 }, "end": { "local": "2099-02-03T15:54:34-04:00", "utc": "2099-02-03T19:54:34Z", "ms": 4073831674357.7856 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-02-02T18:50:31-04:00", "utc": "2099-02-02T22:50:31Z", "ms": 4073755831375.206 }, "end": { "local": "2099-02-03T15:54:34-04:00", "utc": "2099-02-03T19:54:34Z", "ms": 4073831674357.7856 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-02-02", "window": { "start": { "local": "2099-02-02T18:37:07-04:00", "utc": "2099-02-02T22:37:07Z", "ms": 4073755026905.4023 }, "end": { "local": "2099-02-02T20:15:28-04:00", "utc": "2099-02-03T00:15:28Z", "ms": 4073760928281.8706 } }, "covered_min": 85, "window_min": 98, "qualifies": true }, { "local_date": "2099-02-03", "window": { "start": { "local": "2099-02-03T18:37:27-04:00", "utc": "2099-02-03T22:37:27Z", "ms": 4073841446541.2563 }, "end": { "local": "2099-02-03T20:15:44-04:00", "utc": "2099-02-04T00:15:44Z", "ms": 4073847344231.1416 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:51 on Mon 2 Feb to 15:55 on Tue 3 Feb.", "fact": "2099-02-02T22:50:31Z → 2099-02-03T19:54:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:15 on the 2nd, 18:37–20:16 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 85 of 98 minutes on the 2nd and 0 of 98 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 804 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Monday 2 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": "2099-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-02-02", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Monday 2 February. Trayodaśī runs from 18:51 on Mon 2 Feb to 15:55 on Tue 3 Feb and covers 85 of 98 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-02-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 525, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-02-04T12:30:58-04:00", "utc": "2099-02-04T16:30:58Z", "ms": 4073905857862.094 }, "end": { "local": "2099-02-05T08:50:40-04:00", "utc": "2099-02-05T12:50:40Z", "ms": 4073979040276.258 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2099-02-04T12:30:58-04:00", "utc": "2099-02-04T16:30:58Z", "ms": 4073905857862.094 }, "end": { "local": "2099-02-05T08:50:40-04:00", "utc": "2099-02-05T12:50:40Z", "ms": 4073979040276.258 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-02-04", "window": { "start": { "local": "2099-02-04T12:22:12-04:00", "utc": "2099-02-04T16:22:12Z", "ms": 4073905332376.634 }, "end": { "local": "2099-02-04T13:10:12-04:00", "utc": "2099-02-04T17:10:12Z", "ms": 4073908212376.634 } }, "covered_min": 39, "window_min": 48, "qualifies": true }, { "local_date": "2099-02-05", "window": { "start": { "local": "2099-02-05T12:22:17-04:00", "utc": "2099-02-05T16:22:17Z", "ms": 4073991737058.6006 }, "end": { "local": "2099-02-05T13:10:17-04:00", "utc": "2099-02-05T17:10:17Z", "ms": 4073994617058.6006 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:31 on Wed 4 Feb to 08:51 on Thu 5 Feb.", "fact": "2099-02-04T16:30:58Z → 2099-02-05T12:50:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 4th, 12:22–13:10 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 39 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 525 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Valencia, 2099: Wednesday 4 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": "2099-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-02-04", "confidence": "determinate" } ], "quote": "In Valencia, Māghī Pūrṇimā 2099 falls on Wednesday 4 February. Pūrṇimā runs from 12:31 on Wed 4 Feb to 08:51 on Thu 5 Feb and covers 39 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-02-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-02-07", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3468, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-02-07T21:59:28-04:00", "utc": "2099-02-08T01:59:28Z", "ms": 4074199167943.9824 }, "end": { "local": "2099-02-08T18:59:03-04:00", "utc": "2099-02-08T22:59:03Z", "ms": 4074274742726.3516 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2099-02-07T21:59:28-04:00", "utc": "2099-02-08T01:59:28Z", "ms": 4074199167943.9824 }, "end": { "local": "2099-02-08T18:59:03-04:00", "utc": "2099-02-08T22:59:03Z", "ms": 4074274742726.3516 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-02-07", "window": { "start": { "local": "2099-02-07T21:01:40-04:00", "utc": "2099-02-08T01:01:40Z", "ms": 4074195699765.921 }, "end": { "local": "2099-02-07T21:01:40-04:00", "utc": "2099-02-08T01:01:40Z", "ms": 4074195699765.921 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-02-08", "window": { "start": { "local": "2099-02-08T21:56:45-04:00", "utc": "2099-02-09T01:56:45Z", "ms": 4074285405215.46 }, "end": { "local": "2099-02-08T21:56:45-04:00", "utc": "2099-02-09T01:56:45Z", "ms": 4074285405215.46 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:59 on Sat 7 Feb to 18:59 on Sun 8 Feb.", "fact": "2099-02-08T01:59:28Z → 2099-02-08T22:59:03Z" }, { "step": "kaala", "text": "Moonrise is at 21:02 on the 7th and 21:57 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3468 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Saturday 7 February.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-02-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-02-07", "confidence": "boundary" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Saturday 7 February. Caturthī runs from 21:59 on Sat 7 Feb to 18:59 on Sun 8 Feb, and is current at moonrise on neither day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-02-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ekadashi?on=2099-02-15", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25623, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-02-14T13:59:30-04:00", "utc": "2099-02-14T17:59:30Z", "ms": 4074775170094.072 }, "end": { "local": "2099-02-15T15:18:35-04:00", "utc": "2099-02-15T19:18:35Z", "ms": 4074866314979.4834 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2099-02-14T13:59:30-04:00", "utc": "2099-02-14T17:59:30Z", "ms": 4074775170094.072 }, "end": { "local": "2099-02-15T15:18:35-04:00", "utc": "2099-02-15T19:18:35Z", "ms": 4074866314979.4834 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-02-14", "window": { "start": { "local": "2099-02-14T06:52:28-04:00", "utc": "2099-02-14T10:52:28Z", "ms": 4074749547574.688 }, "end": { "local": "2099-02-14T06:52:28-04:00", "utc": "2099-02-14T10:52:28Z", "ms": 4074749547574.688 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-02-15", "window": { "start": { "local": "2099-02-15T06:52:10-04:00", "utc": "2099-02-15T10:52:10Z", "ms": 4074835929596.4165 }, "end": { "local": "2099-02-15T06:52:10-04:00", "utc": "2099-02-15T10:52:10Z", "ms": 4074835929596.4165 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:00 on Sat 14 Feb to 15:19 on Sun 15 Feb.", "fact": "2099-02-14T17:59:30Z → 2099-02-15T19:18:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 14th and 06:52 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25623 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Valencia, 2099: Sunday 15 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": "2099-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-02-15", "confidence": "determinate" } ], "quote": "In Valencia, Vijayā Ekādaśī 2099 falls on Sunday 15 February. Ekādaśī runs from 14:00 on Sat 14 Feb to 15:19 on Sun 15 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-02-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-02-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-02-16", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1779, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-02-16T17:04:00-04:00", "utc": "2099-02-16T21:04:00Z", "ms": 4074959040267.682 }, "end": { "local": "2099-02-17T19:10:35-04:00", "utc": "2099-02-17T23:10:35Z", "ms": 4075053035073.0957 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2099-02-16T17:04:00-04:00", "utc": "2099-02-16T21:04:00Z", "ms": 4074959040267.682 }, "end": { "local": "2099-02-17T19:10:35-04:00", "utc": "2099-02-17T23:10:35Z", "ms": 4075053035073.0957 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-02-16", "window": { "start": { "local": "2099-02-16T18:40:45-04:00", "utc": "2099-02-16T22:40:45Z", "ms": 4074964845351.335 }, "end": { "local": "2099-02-16T20:18:11-04:00", "utc": "2099-02-17T00:18:11Z", "ms": 4074970691465.1147 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2099-02-17", "window": { "start": { "local": "2099-02-17T18:40:56-04:00", "utc": "2099-02-17T22:40:56Z", "ms": 4075051256466.3306 }, "end": { "local": "2099-02-17T20:18:18-04:00", "utc": "2099-02-18T00:18:18Z", "ms": 4075057098380.279 } }, "covered_min": 30, "window_min": 97, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:04 on Mon 16 Feb to 19:11 on Tue 17 Feb.", "fact": "2099-02-16T21:04:00Z → 2099-02-17T23:10:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:18 on the 16th, 18:41–20:18 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 16th and 30 of 97 on the 17th.", "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 1779 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Monday 16 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": "2099-02-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-02-16", "confidence": "boundary" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Monday 16 February. Trayodaśī runs from 17:04 on Mon 16 Feb to 19:11 on Tue 17 Feb and covers all of pradoṣa that evening. It also reaches the next evening for 30 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/valencia/festivals/2099/pradosha-vrata?on=2099-02-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10113, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-02-17T19:10:35-04:00", "utc": "2099-02-17T23:10:35Z", "ms": 4075053035073.0957 }, "end": { "local": "2099-02-18T21:33:26-04:00", "utc": "2099-02-19T01:33:26Z", "ms": 4075148005736.2603 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2099-02-17T19:10:35-04:00", "utc": "2099-02-17T23:10:35Z", "ms": 4075053035073.0957 }, "end": { "local": "2099-02-18T21:33:26-04:00", "utc": "2099-02-19T01:33:26Z", "ms": 4075148005736.2603 } }, "kaala": "nishita", "days": [ { "local_date": "2099-02-17", "window": { "start": { "local": "2099-02-18T00:22:04-04:00", "utc": "2099-02-18T04:22:04Z", "ms": 4075071723643.637 }, "end": { "local": "2099-02-18T01:10:04-04:00", "utc": "2099-02-18T05:10:04Z", "ms": 4075074603643.637 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-02-18", "window": { "start": { "local": "2099-02-19T00:21:58-04:00", "utc": "2099-02-19T04:21:58Z", "ms": 4075158118336.742 }, "end": { "local": "2099-02-19T01:09:58-04:00", "utc": "2099-02-19T05:09:58Z", "ms": 4075160998336.742 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:11 on Tue 17 Feb to 21:33 on Wed 18 Feb.", "fact": "2099-02-17T23:10:35Z → 2099-02-19T01:33:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 17th, 00:22–01:10 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 10113 s" }, { "step": "ruling", "text": "Mahāśivarātri, Valencia, 2099: Tuesday 17 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-02-17", "confidence": "determinate" } ], "quote": "In Valencia, Mahāśivarātri 2099 falls on Tuesday 17 February. Caturdaśī runs from 19:11 on Tue 17 Feb to 21:33 on Wed 18 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-02-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7146, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-02-23T08:03:44-04:00", "utc": "2099-02-23T12:03:44Z", "ms": 4075531424293.4443 }, "end": { "local": "2099-02-24T10:22:20-04:00", "utc": "2099-02-24T14:22:20Z", "ms": 4075626140042.332 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2099-02-23T08:03:44-04:00", "utc": "2099-02-23T12:03:44Z", "ms": 4075531424293.4443 }, "end": { "local": "2099-02-24T10:22:20-04:00", "utc": "2099-02-24T14:22:20Z", "ms": 4075626140042.332 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-02-23", "window": { "start": { "local": "2099-02-23T12:21:35-04:00", "utc": "2099-02-23T16:21:35Z", "ms": 4075546894500.0215 }, "end": { "local": "2099-02-23T13:09:35-04:00", "utc": "2099-02-23T17:09:35Z", "ms": 4075549774500.0215 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-02-24", "window": { "start": { "local": "2099-02-24T12:21:26-04:00", "utc": "2099-02-24T16:21:26Z", "ms": 4075633285742.459 }, "end": { "local": "2099-02-24T13:09:26-04:00", "utc": "2099-02-24T17:09:26Z", "ms": 4075636165742.459 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:04 on Mon 23 Feb to 10:22 on Tue 24 Feb.", "fact": "2099-02-23T12:03:44Z → 2099-02-24T14:22:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 23rd, 12:21–13:09 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "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 7146 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Monday 23 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-02-23", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Monday 23 February. Caturthī runs from 08:04 on Mon 23 Feb to 10:22 on Tue 24 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-02-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ekadashi?on=2099-03-03", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7924, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-03-02T11:23:18-04:00", "utc": "2099-03-02T15:23:18Z", "ms": 4076148198320.433 }, "end": { "local": "2099-03-03T08:57:46-04:00", "utc": "2099-03-03T12:57:46Z", "ms": 4076225866075.4766 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2099-03-02T11:23:18-04:00", "utc": "2099-03-02T15:23:18Z", "ms": 4076148198320.433 }, "end": { "local": "2099-03-03T08:57:46-04:00", "utc": "2099-03-03T12:57:46Z", "ms": 4076225866075.4766 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-03-02", "window": { "start": { "local": "2099-03-02T06:46:11-04:00", "utc": "2099-03-02T10:46:11Z", "ms": 4076131570913.3975 }, "end": { "local": "2099-03-02T06:46:11-04:00", "utc": "2099-03-02T10:46:11Z", "ms": 4076131570913.3975 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-03-03", "window": { "start": { "local": "2099-03-03T06:45:42-04:00", "utc": "2099-03-03T10:45:42Z", "ms": 4076217941884.344 }, "end": { "local": "2099-03-03T06:45:42-04:00", "utc": "2099-03-03T10:45:42Z", "ms": 4076217941884.344 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:23 on Mon 2 Mar to 08:58 on Tue 3 Mar.", "fact": "2099-03-02T15:23:18Z → 2099-03-03T12:57:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 2nd and 06:46 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 7924 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Valencia, 2099: Tuesday 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": "2099-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-03", "confidence": "determinate" } ], "quote": "In Valencia, Āmalakī Ekādaśī 2099 falls on Tuesday 3 March. Ekādaśī runs from 11:23 on Mon 2 Mar to 08:58 on Tue 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-03-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-03-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22362, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-03-04T05:57:37-04:00", "utc": "2099-03-04T09:57:37Z", "ms": 4076301456902.2104 }, "end": { "local": "2099-03-05T02:31:37-04:00", "utc": "2099-03-05T06:31:37Z", "ms": 4076375497214.373 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2099-03-04T05:57:37-04:00", "utc": "2099-03-04T09:57:37Z", "ms": 4076301456902.2104 }, "end": { "local": "2099-03-05T02:31:37-04:00", "utc": "2099-03-05T06:31:37Z", "ms": 4076375497214.373 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-03-03", "window": { "start": { "local": "2099-03-03T18:42:36-04:00", "utc": "2099-03-03T22:42:36Z", "ms": 4076260955599.457 }, "end": { "local": "2099-03-03T20:18:56-04:00", "utc": "2099-03-04T00:18:56Z", "ms": 4076266736497.5254 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2099-03-04", "window": { "start": { "local": "2099-03-04T18:42:39-04:00", "utc": "2099-03-04T22:42:39Z", "ms": 4076347359089.552 }, "end": { "local": "2099-03-04T20:18:56-04:00", "utc": "2099-03-05T00:18:56Z", "ms": 4076353135516.3276 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:58 on Wed 4 Mar to 02:32 on Thu 5 Mar.", "fact": "2099-03-04T09:57:37Z → 2099-03-05T06:31:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:19 on the 3rd, 18:43–20:19 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 96 minutes on the 3rd and 96 of 96 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 22362 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Wednesday 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": "2099-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-04", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Wednesday 4 March. Trayodaśī runs from 05:58 on Wed 4 Mar to 02:32 on Thu 5 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1137, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-03-05T22:49:34-04:00", "utc": "2099-03-06T02:49:34Z", "ms": 4076448573544.8037 }, "end": { "local": "2099-03-06T19:01:42-04:00", "utc": "2099-03-06T23:01:42Z", "ms": 4076521302114.6445 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2099-03-05T22:49:34-04:00", "utc": "2099-03-06T02:49:34Z", "ms": 4076448573544.8037 }, "end": { "local": "2099-03-06T19:01:42-04:00", "utc": "2099-03-06T23:01:42Z", "ms": 4076521302114.6445 } }, "kaala": "sayahna", "days": [ { "local_date": "2099-03-05", "window": { "start": { "local": "2099-03-05T16:19:06-04:00", "utc": "2099-03-05T20:19:06Z", "ms": 4076425146204.5825 }, "end": { "local": "2099-03-05T18:42:42-04:00", "utc": "2099-03-05T22:42:42Z", "ms": 4076433762183.1353 } }, "covered_min": 0, "window_min": 144, "qualifies": false }, { "local_date": "2099-03-06", "window": { "start": { "local": "2099-03-06T16:19:02-04:00", "utc": "2099-03-06T20:19:02Z", "ms": 4076511542276.2964 }, "end": { "local": "2099-03-06T18:42:45-04:00", "utc": "2099-03-06T22:42:45Z", "ms": 4076520164901.22 } }, "covered_min": 144, "window_min": 144, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:50 on Thu 5 Mar to 19:02 on Fri 6 Mar.", "fact": "2099-03-06T02:49:34Z → 2099-03-06T23:01:42Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:19–18:43 on the 5th, 16:19–18:43 on the 6th.", "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 144 minutes on the 5th and 144 of 144 on the 6th.", "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 1137 s" }, { "step": "ruling", "text": "Holikā Dahana, Valencia, 2099: Friday 6 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": "2099-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-06", "confidence": "determinate" } ], "quote": "In Valencia, Holikā Dahana 2099 falls on Friday 6 March. Pūrṇimā runs from 22:50 on Thu 5 Mar to 19:02 on Fri 6 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1137, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-03-05T22:49:34-04:00", "utc": "2099-03-06T02:49:34Z", "ms": 4076448573544.8037 }, "end": { "local": "2099-03-06T19:01:42-04:00", "utc": "2099-03-06T23:01:42Z", "ms": 4076521302114.6445 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2099-03-05T22:49:34-04:00", "utc": "2099-03-06T02:49:34Z", "ms": 4076448573544.8037 }, "end": { "local": "2099-03-06T19:01:42-04:00", "utc": "2099-03-06T23:01:42Z", "ms": 4076521302114.6445 } }, "kaala": "sayahna", "days": [ { "local_date": "2099-03-05", "window": { "start": { "local": "2099-03-05T16:19:06-04:00", "utc": "2099-03-05T20:19:06Z", "ms": 4076425146204.5825 }, "end": { "local": "2099-03-05T18:42:42-04:00", "utc": "2099-03-05T22:42:42Z", "ms": 4076433762183.1353 } }, "covered_min": 0, "window_min": 144, "qualifies": false }, { "local_date": "2099-03-06", "window": { "start": { "local": "2099-03-06T16:19:02-04:00", "utc": "2099-03-06T20:19:02Z", "ms": 4076511542276.2964 }, "end": { "local": "2099-03-06T18:42:45-04:00", "utc": "2099-03-06T22:42:45Z", "ms": 4076520164901.22 } }, "covered_min": 144, "window_min": 144, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2099-03-06", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:50 on Thu 5 Mar to 19:02 on Fri 6 Mar.", "fact": "2099-03-06T02:49:34Z → 2099-03-06T23:01:42Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:19–18:43 on the 5th, 16:19–18:43 on the 6th.", "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 144 minutes on the 5th and 144 of 144 on the 6th.", "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 1137 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Friday 6 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Valencia, 2099: Saturday 7 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": "2099-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-07", "confidence": "determinate" } ], "quote": "In Valencia, Holī 2099 falls on Saturday 7 March. It is kept the day after Holikā Dahana, which falls on Friday 6 March. Pūrṇimā runs from 22:50 on Thu 5 Mar to 19:02 on Fri 6 Mar and covers all of sāyāhna on the 6th.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30884, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2099-03-06T19:01:42-04:00", "utc": "2099-03-06T23:01:42Z", "ms": 4076521302114.6445 }, "end": { "local": "2099-03-07T15:18:25-04:00", "utc": "2099-03-07T19:18:25Z", "ms": 4076594304925.943 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-06T19:01:42-04:00", "utc": "2099-03-06T23:01:42Z", "ms": 4076521302114.6445 }, "end": { "local": "2099-03-07T15:18:25-04:00", "utc": "2099-03-07T19:18:25Z", "ms": 4076594304925.943 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-03-06", "window": { "start": { "local": "2099-03-06T06:44:12-04:00", "utc": "2099-03-06T10:44:12Z", "ms": 4076477051776.601 }, "end": { "local": "2099-03-06T06:44:12-04:00", "utc": "2099-03-06T10:44:12Z", "ms": 4076477051776.601 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-03-07", "window": { "start": { "local": "2099-03-07T06:43:41-04:00", "utc": "2099-03-07T10:43:41Z", "ms": 4076563420820.376 }, "end": { "local": "2099-03-07T06:43:41-04:00", "utc": "2099-03-07T10:43:41Z", "ms": 4076563420820.376 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:02 on Fri 6 Mar to 15:18 on Sat 7 Mar.", "fact": "2099-03-06T23:01:42Z → 2099-03-07T19:18:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 6th and 06:44 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30884 s" }, { "step": "ruling", "text": "Vasantotsava, Valencia, 2099: Saturday 7 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": "2099-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-07", "confidence": "determinate" } ], "quote": "In Valencia, Vasantotsava 2099 falls on Saturday 7 March. Pratipadā runs from 19:02 on Fri 6 Mar to 15:18 on Sat 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-03-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31274, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-03-09T08:45:27-04:00", "utc": "2099-03-09T12:45:27Z", "ms": 4076743527039.7295 }, "end": { "local": "2099-03-10T06:13:50-04:00", "utc": "2099-03-10T10:13:50Z", "ms": 4076820830108.0254 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-09T08:45:27-04:00", "utc": "2099-03-09T12:45:27Z", "ms": 4076743527039.7295 }, "end": { "local": "2099-03-10T06:13:50-04:00", "utc": "2099-03-10T10:13:50Z", "ms": 4076820830108.0254 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-03-08", "window": { "start": { "local": "2099-03-08T20:36:00-04:00", "utc": "2099-03-09T00:36:00Z", "ms": 4076699760157.505 }, "end": { "local": "2099-03-08T20:36:00-04:00", "utc": "2099-03-09T00:36:00Z", "ms": 4076699760157.505 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-03-09", "window": { "start": { "local": "2099-03-09T21:32:36-04:00", "utc": "2099-03-10T01:32:36Z", "ms": 4076789555990.0684 }, "end": { "local": "2099-03-09T21:32:36-04:00", "utc": "2099-03-10T01:32:36Z", "ms": 4076789555990.0684 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:45 on Mon 9 Mar to 06:14 on Tue 10 Mar.", "fact": "2099-03-09T12:45:27Z → 2099-03-10T10:13:50Z" }, { "step": "kaala", "text": "Moonrise is at 20:36 on the 8th and 21:33 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31274 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Monday 9 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": "2099-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-09", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Monday 9 March. Caturthī runs from 08:45 on Mon 9 Mar to 06:14 on Tue 10 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32167, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2099-03-13T02:54:57-04:00", "utc": "2099-03-13T06:54:57Z", "ms": 4077068096804.855 }, "end": { "local": "2099-03-14T03:21:18-04:00", "utc": "2099-03-14T07:21:18Z", "ms": 4077156078207.5957 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-13T02:54:57-04:00", "utc": "2099-03-13T06:54:57Z", "ms": 4077068096804.855 }, "end": { "local": "2099-03-14T03:21:18-04:00", "utc": "2099-03-14T07:21:18Z", "ms": 4077156078207.5957 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-03-13", "window": { "start": { "local": "2099-03-13T12:17:41-04:00", "utc": "2099-03-13T16:17:41Z", "ms": 4077101861245.998 }, "end": { "local": "2099-03-13T13:05:41-04:00", "utc": "2099-03-13T17:05:41Z", "ms": 4077104741245.998 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-03-14", "window": { "start": { "local": "2099-03-14T12:17:25-04:00", "utc": "2099-03-14T16:17:25Z", "ms": 4077188244815.7207 }, "end": { "local": "2099-03-14T13:05:25-04:00", "utc": "2099-03-14T17:05:25Z", "ms": 4077191124815.7207 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:55 on Fri 13 Mar to 03:21 on Sat 14 Mar.", "fact": "2099-03-13T06:54:57Z → 2099-03-14T07:21:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 13th, 12:17–13:05 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32167 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Valencia, 2099: Friday 13 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": "2099-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-13", "confidence": "determinate" } ], "quote": "In Valencia, Śītalāṣṭamī 2099 falls on Friday 13 March. Aṣṭamī runs from 02:55 on Fri 13 Mar to 03:21 on Sat 14 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-03-17", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1433, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-03-16T06:14:54-04:00", "utc": "2099-03-16T10:14:54Z", "ms": 4077339293571.8438 }, "end": { "local": "2099-03-17T08:27:01-04:00", "utc": "2099-03-17T12:27:01Z", "ms": 4077433620845.549 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-16T06:14:54-04:00", "utc": "2099-03-16T10:14:54Z", "ms": 4077339293571.8438 }, "end": { "local": "2099-03-17T08:27:01-04:00", "utc": "2099-03-17T12:27:01Z", "ms": 4077433620845.549 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-03-16", "window": { "start": { "local": "2099-03-16T06:38:47-04:00", "utc": "2099-03-16T10:38:47Z", "ms": 4077340726590.7607 }, "end": { "local": "2099-03-16T06:38:47-04:00", "utc": "2099-03-16T10:38:47Z", "ms": 4077340726590.7607 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-03-17", "window": { "start": { "local": "2099-03-17T06:38:13-04:00", "utc": "2099-03-17T10:38:13Z", "ms": 4077427092602.161 }, "end": { "local": "2099-03-17T06:38:13-04:00", "utc": "2099-03-17T10:38:13Z", "ms": 4077427092602.161 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:15 on Mon 16 Mar to 08:27 on Tue 17 Mar.", "fact": "2099-03-16T10:14:54Z → 2099-03-17T12:27:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 16th and 06:38 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 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1433 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Valencia, 2099: Tuesday 17 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": "2099-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-17", "confidence": "determinate" } ], "quote": "In Valencia, Pāpamocanī Ekādaśī 2099 falls on Tuesday 17 March. Ekādaśī runs from 06:15 on Mon 16 Mar to 08:27 on Tue 17 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-03-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-03-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18406, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-03-18T10:57:10-04:00", "utc": "2099-03-18T14:57:10Z", "ms": 4077529029790.236 }, "end": { "local": "2099-03-19T13:36:10-04:00", "utc": "2099-03-19T17:36:10Z", "ms": 4077624969620.1675 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-18T10:57:10-04:00", "utc": "2099-03-18T14:57:10Z", "ms": 4077529029790.236 }, "end": { "local": "2099-03-19T13:36:10-04:00", "utc": "2099-03-19T17:36:10Z", "ms": 4077624969620.1675 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-03-18", "window": { "start": { "local": "2099-03-18T18:42:56-04:00", "utc": "2099-03-18T22:42:56Z", "ms": 4077556975702.4277 }, "end": { "local": "2099-03-18T20:18:09-04:00", "utc": "2099-03-19T00:18:09Z", "ms": 4077562688823.8164 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "2099-03-19", "window": { "start": { "local": "2099-03-19T18:42:55-04:00", "utc": "2099-03-19T22:42:55Z", "ms": 4077643375324.722 }, "end": { "local": "2099-03-19T20:18:04-04:00", "utc": "2099-03-20T00:18:04Z", "ms": 4077649083901.9873 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:57 on Wed 18 Mar to 13:36 on Thu 19 Mar.", "fact": "2099-03-18T14:57:10Z → 2099-03-19T17:36:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:18 on the 18th, 18:43–20:18 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 95 of 95 minutes on the 18th and 0 of 95 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 18406 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Wednesday 18 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": "2099-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-18", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Wednesday 18 March. Trayodaśī runs from 10:57 on Wed 18 Mar to 13:36 on Thu 19 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-03-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28783, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-03-19T13:36:10-04:00", "utc": "2099-03-19T17:36:10Z", "ms": 4077624969620.1675 }, "end": { "local": "2099-03-20T16:15:42-04:00", "utc": "2099-03-20T20:15:42Z", "ms": 4077720941508.25 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-19T13:36:10-04:00", "utc": "2099-03-19T17:36:10Z", "ms": 4077624969620.1675 }, "end": { "local": "2099-03-20T16:15:42-04:00", "utc": "2099-03-20T20:15:42Z", "ms": 4077720941508.25 } }, "kaala": "nishita", "days": [ { "local_date": "2099-03-19", "window": { "start": { "local": "2099-03-20T00:15:42-04:00", "utc": "2099-03-20T04:15:42Z", "ms": 4077663342489.467 }, "end": { "local": "2099-03-20T01:03:42-04:00", "utc": "2099-03-20T05:03:42Z", "ms": 4077666222489.467 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-03-20", "window": { "start": { "local": "2099-03-21T00:15:25-04:00", "utc": "2099-03-21T04:15:25Z", "ms": 4077749724952.726 }, "end": { "local": "2099-03-21T01:03:25-04:00", "utc": "2099-03-21T05:03:25Z", "ms": 4077752604952.726 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:36 on Thu 19 Mar to 16:16 on Fri 20 Mar.", "fact": "2099-03-19T17:36:10Z → 2099-03-20T20:15:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 19th, 00:15–01:03 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28783 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Thursday 19 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-19", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 2099 falls on Thursday 19 March. Caturdaśī runs from 13:36 on Thu 19 Mar to 16:16 on Fri 20 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-03-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20710, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2099-03-21T18:48:35-04:00", "utc": "2099-03-21T22:48:35Z", "ms": 4077816514560.308 }, "end": { "local": "2099-03-22T21:08:40-04:00", "utc": "2099-03-23T01:08:40Z", "ms": 4077911320021.4536 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-21T18:48:35-04:00", "utc": "2099-03-21T22:48:35Z", "ms": 4077816514560.308 }, "end": { "local": "2099-03-22T21:08:40-04:00", "utc": "2099-03-23T01:08:40Z", "ms": 4077911320021.4536 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-03-21", "window": { "start": { "local": "2099-03-21T12:15:25-04:00", "utc": "2099-03-21T16:15:25Z", "ms": 4077792924648.6953 }, "end": { "local": "2099-03-21T13:03:25-04:00", "utc": "2099-03-21T17:03:25Z", "ms": 4077795804648.6953 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-03-22", "window": { "start": { "local": "2099-03-22T12:15:07-04:00", "utc": "2099-03-22T16:15:07Z", "ms": 4077879306964.0327 }, "end": { "local": "2099-03-22T13:03:07-04:00", "utc": "2099-03-22T17:03:07Z", "ms": 4077882186964.0327 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:49 on Sat 21 Mar to 21:09 on Sun 22 Mar.", "fact": "2099-03-21T22:48:35Z → 2099-03-23T01:08:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 21st, 12:15–13:03 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20710 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Valencia, 2099: Sunday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-22", "confidence": "determinate" } ], "quote": "In Valencia, Navarātrārambha (Caitra) (Chaitra Navratri) 2099 falls on Sunday 22 March. Pratipadā runs from 18:49 on Sat 21 Mar to 21:09 on Sun 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36465, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2099-03-23T23:10:34-04:00", "utc": "2099-03-24T03:10:34Z", "ms": 4078005034127.3413 }, "end": { "local": "2099-03-25T00:49:21-04:00", "utc": "2099-03-25T04:49:21Z", "ms": 4078097361462.643 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-23T23:10:34-04:00", "utc": "2099-03-24T03:10:34Z", "ms": 4078005034127.3413 }, "end": { "local": "2099-03-25T00:49:21-04:00", "utc": "2099-03-25T04:49:21Z", "ms": 4078097361462.643 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-03-23", "window": { "start": { "local": "2099-03-23T12:14:49-04:00", "utc": "2099-03-23T16:14:49Z", "ms": 4077965689202.9805 }, "end": { "local": "2099-03-23T13:02:49-04:00", "utc": "2099-03-23T17:02:49Z", "ms": 4077968569202.9805 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-03-24", "window": { "start": { "local": "2099-03-24T12:14:31-04:00", "utc": "2099-03-24T16:14:31Z", "ms": 4078052071382.9053 }, "end": { "local": "2099-03-24T13:02:31-04:00", "utc": "2099-03-24T17:02:31Z", "ms": 4078054951382.9053 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:11 on Mon 23 Mar to 00:49 on Wed 25 Mar.", "fact": "2099-03-24T03:10:34Z → 2099-03-25T04:49:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 23rd, 12:15–13:03 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36465 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Valencia, 2099: Tuesday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-24", "confidence": "determinate" } ], "quote": "In Valencia, Gaurī Tṛtīyā (Gangaur) 2099 falls on Tuesday 24 March. Tṛtīyā runs from 23:11 on Mon 23 Mar to 00:49 on Wed 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36465, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2099-03-23T23:10:34-04:00", "utc": "2099-03-24T03:10:34Z", "ms": 4078005034127.3413 }, "end": { "local": "2099-03-25T00:49:21-04:00", "utc": "2099-03-25T04:49:21Z", "ms": 4078097361462.643 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-23T23:10:34-04:00", "utc": "2099-03-24T03:10:34Z", "ms": 4078005034127.3413 }, "end": { "local": "2099-03-25T00:49:21-04:00", "utc": "2099-03-25T04:49:21Z", "ms": 4078097361462.643 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-03-23", "window": { "start": { "local": "2099-03-23T12:14:49-04:00", "utc": "2099-03-23T16:14:49Z", "ms": 4077965689202.9805 }, "end": { "local": "2099-03-23T13:02:49-04:00", "utc": "2099-03-23T17:02:49Z", "ms": 4077968569202.9805 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-03-24", "window": { "start": { "local": "2099-03-24T12:14:31-04:00", "utc": "2099-03-24T16:14:31Z", "ms": 4078052071382.9053 }, "end": { "local": "2099-03-24T13:02:31-04:00", "utc": "2099-03-24T17:02:31Z", "ms": 4078054951382.9053 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:11 on Mon 23 Mar to 00:49 on Wed 25 Mar.", "fact": "2099-03-24T03:10:34Z → 2099-03-25T04:49:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 23rd, 12:15–13:03 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36465 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Valencia, 2099: Tuesday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-24", "confidence": "determinate" } ], "quote": "In Valencia, Saubhāgya Śayana Vrata 2099 falls on Tuesday 24 March. Tṛtīyā runs from 23:11 on Mon 23 Mar to 00:49 on Wed 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-03-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36808, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-03-25T00:49:21-04:00", "utc": "2099-03-25T04:49:21Z", "ms": 4078097361462.643 }, "end": { "local": "2099-03-26T02:00:28-04:00", "utc": "2099-03-26T06:00:28Z", "ms": 4078188028059.859 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-25T00:49:21-04:00", "utc": "2099-03-25T04:49:21Z", "ms": 4078097361462.643 }, "end": { "local": "2099-03-26T02:00:28-04:00", "utc": "2099-03-26T06:00:28Z", "ms": 4078188028059.859 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-03-25", "window": { "start": { "local": "2099-03-25T12:14:14-04:00", "utc": "2099-03-25T16:14:14Z", "ms": 4078138453521.1465 }, "end": { "local": "2099-03-25T13:02:14-04:00", "utc": "2099-03-25T17:02:14Z", "ms": 4078141333521.1465 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-03-26", "window": { "start": { "local": "2099-03-26T12:13:56-04:00", "utc": "2099-03-26T16:13:56Z", "ms": 4078224835635.0786 }, "end": { "local": "2099-03-26T13:01:56-04:00", "utc": "2099-03-26T17:01:56Z", "ms": 4078227715635.0786 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:49 on Wed 25 Mar to 02:00 on Thu 26 Mar.", "fact": "2099-03-25T04:49:21Z → 2099-03-26T06:00:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 25th, 12:14–13:02 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36808 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Wednesday 25 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": "2099-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-25", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Wednesday 25 March. Caturthī runs from 00:49 on Wed 25 Mar to 02:00 on Thu 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-03-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34429, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2099-03-26T02:00:28-04:00", "utc": "2099-03-26T06:00:28Z", "ms": 4078188028059.859 }, "end": { "local": "2099-03-27T02:39:48-04:00", "utc": "2099-03-27T06:39:48Z", "ms": 4078276788431.3755 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-26T02:00:28-04:00", "utc": "2099-03-26T06:00:28Z", "ms": 4078188028059.859 }, "end": { "local": "2099-03-27T02:39:48-04:00", "utc": "2099-03-27T06:39:48Z", "ms": 4078276788431.3755 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-03-26", "window": { "start": { "local": "2099-03-26T12:13:56-04:00", "utc": "2099-03-26T16:13:56Z", "ms": 4078224835635.0786 }, "end": { "local": "2099-03-26T13:01:56-04:00", "utc": "2099-03-26T17:01:56Z", "ms": 4078227715635.0786 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-03-27", "window": { "start": { "local": "2099-03-27T12:13:38-04:00", "utc": "2099-03-27T16:13:38Z", "ms": 4078311217742.1953 }, "end": { "local": "2099-03-27T13:01:38-04:00", "utc": "2099-03-27T17:01:38Z", "ms": 4078314097742.1953 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:00 on Thu 26 Mar to 02:40 on Fri 27 Mar.", "fact": "2099-03-26T06:00:28Z → 2099-03-27T06:39:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 26th, 12:14–13:02 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34429 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Valencia, 2099: Thursday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-26", "confidence": "determinate" } ], "quote": "In Valencia, Lakṣmī Pañcamī 2099 falls on Thursday 26 March. Pañcamī runs from 02:00 on Thu 26 Mar to 02:40 on Fri 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36109, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2099-03-29T02:11:13-04:00", "utc": "2099-03-29T06:11:13Z", "ms": 4078447873107.719 }, "end": { "local": "2099-03-30T01:00:45-04:00", "utc": "2099-03-30T05:00:45Z", "ms": 4078530044739.5083 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-29T02:11:13-04:00", "utc": "2099-03-29T06:11:13Z", "ms": 4078447873107.719 }, "end": { "local": "2099-03-30T01:00:45-04:00", "utc": "2099-03-30T05:00:45Z", "ms": 4078530044739.5083 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-03-29", "window": { "start": { "local": "2099-03-29T12:13:02-04:00", "utc": "2099-03-29T16:13:02Z", "ms": 4078483982007.1484 }, "end": { "local": "2099-03-29T13:01:02-04:00", "utc": "2099-03-29T17:01:02Z", "ms": 4078486862007.1484 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-03-30", "window": { "start": { "local": "2099-03-30T12:12:44-04:00", "utc": "2099-03-30T16:12:44Z", "ms": 4078570364201.5654 }, "end": { "local": "2099-03-30T13:00:44-04:00", "utc": "2099-03-30T17:00:44Z", "ms": 4078573244201.5654 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:11 on Sun 29 Mar to 01:01 on Mon 30 Mar.", "fact": "2099-03-29T06:11:13Z → 2099-03-30T05:00:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 29th, 12:13–13:01 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36109 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Valencia, 2099: Sunday 29 March.", "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": "2099-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-29", "confidence": "determinate" } ], "quote": "In Valencia, Bhavānī Utpatti 2099 falls on Sunday 29 March. Aṣṭamī runs from 02:11 on Sun 29 Mar to 01:01 on Mon 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36798, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2099-03-30T01:00:45-04:00", "utc": "2099-03-30T05:00:45Z", "ms": 4078530044739.5083 }, "end": { "local": "2099-03-30T23:14:02-04:00", "utc": "2099-03-31T03:14:02Z", "ms": 4078610041786.1797 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-30T01:00:45-04:00", "utc": "2099-03-30T05:00:45Z", "ms": 4078530044739.5083 }, "end": { "local": "2099-03-30T23:14:02-04:00", "utc": "2099-03-31T03:14:02Z", "ms": 4078610041786.1797 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-03-29", "window": { "start": { "local": "2099-03-29T12:13:02-04:00", "utc": "2099-03-29T16:13:02Z", "ms": 4078483982007.1484 }, "end": { "local": "2099-03-29T13:01:02-04:00", "utc": "2099-03-29T17:01:02Z", "ms": 4078486862007.1484 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-03-30", "window": { "start": { "local": "2099-03-30T12:12:44-04:00", "utc": "2099-03-30T16:12:44Z", "ms": 4078570364201.5654 }, "end": { "local": "2099-03-30T13:00:44-04:00", "utc": "2099-03-30T17:00:44Z", "ms": 4078573244201.5654 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:01 on Mon 30 Mar to 23:14 on Mon 30 Mar.", "fact": "2099-03-30T05:00:45Z → 2099-03-31T03:14:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 29th, 12:13–13:01 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36798 s" }, { "step": "ruling", "text": "Rāma Navamī, Valencia, 2099: Monday 30 March.", "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": "2099-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-03-30", "confidence": "determinate" } ], "quote": "In Valencia, Rāma Navamī 2099 falls on Monday 30 March. Navamī runs from 01:01 on Mon 30 Mar to 23:14 on Mon 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-04-01", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34515, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-03-31T20:54:18-04:00", "utc": "2099-04-01T00:54:18Z", "ms": 4078688058375.832 }, "end": { "local": "2099-04-01T18:06:32-04:00", "utc": "2099-04-01T22:06:32Z", "ms": 4078764392142.405 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-03-31T20:54:18-04:00", "utc": "2099-04-01T00:54:18Z", "ms": 4078688058375.832 }, "end": { "local": "2099-04-01T18:06:32-04:00", "utc": "2099-04-01T22:06:32Z", "ms": 4078764392142.405 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-04-01", "window": { "start": { "local": "2099-04-01T06:29:33-04:00", "utc": "2099-04-01T10:29:33Z", "ms": 4078722573043.955 }, "end": { "local": "2099-04-01T06:29:33-04:00", "utc": "2099-04-01T10:29:33Z", "ms": 4078722573043.955 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-04-02", "window": { "start": { "local": "2099-04-02T06:28:59-04:00", "utc": "2099-04-02T10:28:59Z", "ms": 4078808938703.07 }, "end": { "local": "2099-04-02T06:28:59-04:00", "utc": "2099-04-02T10:28:59Z", "ms": 4078808938703.07 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:54 on Tue 31 Mar to 18:07 on Wed 1 Apr.", "fact": "2099-04-01T00:54:18Z → 2099-04-01T22:06:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 1st and 06:29 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 34515 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Valencia, 2099: Wednesday 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": "2099-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-01", "confidence": "determinate" } ], "quote": "In Valencia, Kāmadā Ekādaśī 2099 falls on Wednesday 1 April. Ekādaśī runs from 20:54 on Tue 31 Mar to 18:07 on Wed 1 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-04-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-04-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13535, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-04-02T14:57:09-04:00", "utc": "2099-04-02T18:57:09Z", "ms": 4078839428740.0537 }, "end": { "local": "2099-04-03T11:33:44-04:00", "utc": "2099-04-03T15:33:44Z", "ms": 4078913623685.835 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-04-02T14:57:09-04:00", "utc": "2099-04-02T18:57:09Z", "ms": 4078839428740.0537 }, "end": { "local": "2099-04-03T11:33:44-04:00", "utc": "2099-04-03T15:33:44Z", "ms": 4078913623685.835 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-04-02", "window": { "start": { "local": "2099-04-02T18:42:44-04:00", "utc": "2099-04-02T22:42:44Z", "ms": 4078852963829.286 }, "end": { "local": "2099-04-02T20:16:49-04:00", "utc": "2099-04-03T00:16:49Z", "ms": 4078858609255.422 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2099-04-03", "window": { "start": { "local": "2099-04-03T18:42:43-04:00", "utc": "2099-04-03T22:42:43Z", "ms": 4078939363178.031 }, "end": { "local": "2099-04-03T20:16:44-04:00", "utc": "2099-04-04T00:16:44Z", "ms": 4078945004159.0615 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:57 on Thu 2 Apr to 11:34 on Fri 3 Apr.", "fact": "2099-04-02T18:57:09Z → 2099-04-03T15:33:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:17 on the 2nd, 18:43–20:17 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 94 of 94 minutes on the 2nd and 0 of 94 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 13535 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Thursday 2 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": "2099-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-02", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Thursday 2 April. Trayodaśī runs from 14:57 on Thu 2 Apr to 11:34 on Fri 3 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-04-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2270, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-04-02T14:57:09-04:00", "utc": "2099-04-02T18:57:09Z", "ms": 4078839428740.0537 }, "end": { "local": "2099-04-03T11:33:44-04:00", "utc": "2099-04-03T15:33:44Z", "ms": 4078913623685.835 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-04-02T14:57:09-04:00", "utc": "2099-04-02T18:57:09Z", "ms": 4078839428740.0537 }, "end": { "local": "2099-04-03T11:33:44-04:00", "utc": "2099-04-03T15:33:44Z", "ms": 4078913623685.835 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-04-02", "window": { "start": { "local": "2099-04-02T12:11:51-04:00", "utc": "2099-04-02T16:11:51Z", "ms": 4078829511266.1777 }, "end": { "local": "2099-04-02T12:59:51-04:00", "utc": "2099-04-02T16:59:51Z", "ms": 4078832391266.1777 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-04-03", "window": { "start": { "local": "2099-04-03T12:11:34-04:00", "utc": "2099-04-03T16:11:34Z", "ms": 4078915893851.667 }, "end": { "local": "2099-04-03T12:59:34-04:00", "utc": "2099-04-03T16:59:34Z", "ms": 4078918773851.667 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:57 on Thu 2 Apr to 11:34 on Fri 3 Apr.", "fact": "2099-04-02T18:57:09Z → 2099-04-03T15:33:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 2nd, 12:12–13:00 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "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 2270 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Valencia, 2099: Friday 3 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": "2099-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-03", "confidence": "determinate" } ], "quote": "In Valencia, Anaṅga Trayodaśī 2099 falls on Friday 3 April. Trayodaśī runs from 14:57 on Thu 2 Apr to 11:34 on Fri 3 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2270, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-04-03T11:33:44-04:00", "utc": "2099-04-03T15:33:44Z", "ms": 4078913623685.835 }, "end": { "local": "2099-04-04T08:04:44-04:00", "utc": "2099-04-04T12:04:44Z", "ms": 4078987484370.084 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-04-03T11:33:44-04:00", "utc": "2099-04-03T15:33:44Z", "ms": 4078913623685.835 }, "end": { "local": "2099-04-04T08:04:44-04:00", "utc": "2099-04-04T12:04:44Z", "ms": 4078987484370.084 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-04-03", "window": { "start": { "local": "2099-04-03T12:11:34-04:00", "utc": "2099-04-03T16:11:34Z", "ms": 4078915893851.667 }, "end": { "local": "2099-04-03T12:59:34-04:00", "utc": "2099-04-03T16:59:34Z", "ms": 4078918773851.667 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-04-04", "window": { "start": { "local": "2099-04-04T12:11:17-04:00", "utc": "2099-04-04T16:11:17Z", "ms": 4079002276589.7744 }, "end": { "local": "2099-04-04T12:59:17-04:00", "utc": "2099-04-04T16:59:17Z", "ms": 4079005156589.7744 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:34 on Fri 3 Apr to 08:05 on Sat 4 Apr.", "fact": "2099-04-03T15:33:44Z → 2099-04-04T12:04:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 3rd, 12:11–12:59 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2270 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Valencia, 2099: Friday 3 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": "2099-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-03", "confidence": "determinate" } ], "quote": "In Valencia, Viṣṇudamanaka Caturdaśī 2099 falls on Friday 3 April. Caturdaśī runs from 11:34 on Fri 3 Apr to 08:05 on Sat 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14792, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-04-04T08:04:44-04:00", "utc": "2099-04-04T12:04:44Z", "ms": 4078987484370.084 }, "end": { "local": "2099-04-05T04:39:13-04:00", "utc": "2099-04-05T08:39:13Z", "ms": 4079061553091.9116 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2099-04-04T08:04:44-04:00", "utc": "2099-04-04T12:04:44Z", "ms": 4078987484370.084 }, "end": { "local": "2099-04-05T04:39:13-04:00", "utc": "2099-04-05T08:39:13Z", "ms": 4079061553091.9116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-04-04", "window": { "start": { "local": "2099-04-04T12:11:17-04:00", "utc": "2099-04-04T16:11:17Z", "ms": 4079002276589.7744 }, "end": { "local": "2099-04-04T12:59:17-04:00", "utc": "2099-04-04T16:59:17Z", "ms": 4079005156589.7744 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-04-05", "window": { "start": { "local": "2099-04-05T12:11:00-04:00", "utc": "2099-04-05T16:11:00Z", "ms": 4079088659503.65 }, "end": { "local": "2099-04-05T12:59:00-04:00", "utc": "2099-04-05T16:59:00Z", "ms": 4079091539503.65 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:05 on Sat 4 Apr to 04:39 on Sun 5 Apr.", "fact": "2099-04-04T12:04:44Z → 2099-04-05T08:39:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 4th, 12:11–12:59 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14792 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Valencia, 2099: Saturday 4 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": "2099-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-04", "confidence": "determinate" } ], "quote": "In Valencia, Caitrī Pūrṇimā 2099 falls on Saturday 4 April. Pūrṇimā runs from 08:05 on Sat 4 Apr to 04:39 on Sun 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-04-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3337, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-04-07T20:16:16-04:00", "utc": "2099-04-08T00:16:16Z", "ms": 4079290576048.7456 }, "end": { "local": "2099-04-08T18:35:27-04:00", "utc": "2099-04-08T22:35:27Z", "ms": 4079370926681.533 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-07T20:16:16-04:00", "utc": "2099-04-08T00:16:16Z", "ms": 4079290576048.7456 }, "end": { "local": "2099-04-08T18:35:27-04:00", "utc": "2099-04-08T22:35:27Z", "ms": 4079370926681.533 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-04-07", "window": { "start": { "local": "2099-04-07T21:11:53-04:00", "utc": "2099-04-08T01:11:53Z", "ms": 4079293913145.985 }, "end": { "local": "2099-04-07T21:11:53-04:00", "utc": "2099-04-08T01:11:53Z", "ms": 4079293913145.985 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-04-08", "window": { "start": { "local": "2099-04-08T22:12:22-04:00", "utc": "2099-04-09T02:12:22Z", "ms": 4079383941771.8506 }, "end": { "local": "2099-04-08T22:12:22-04:00", "utc": "2099-04-09T02:12:22Z", "ms": 4079383941771.8506 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:16 on Tue 7 Apr to 18:35 on Wed 8 Apr.", "fact": "2099-04-08T00:16:16Z → 2099-04-08T22:35:27Z" }, { "step": "kaala", "text": "Moonrise is at 21:12 on the 7th and 22:12 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "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 3337 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Tuesday 7 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": "2099-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-07", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Tuesday 7 April. Caturthī runs from 20:16 on Tue 7 Apr to 18:35 on Wed 8 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-04-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38461, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2099-04-14T17:03:28-04:00", "utc": "2099-04-14T21:03:28Z", "ms": 4079883807699.3457 }, "end": { "local": "2099-05-15T13:47:43-04:00", "utc": "2099-05-15T17:47:43Z", "ms": 4082550463017.7036 } }, "span": { "of": "transit", "start": { "local": "2099-04-14T17:03:28-04:00", "utc": "2099-04-14T21:03:28Z", "ms": 4079883807699.3457 }, "end": { "local": "2099-04-14T17:03:28-04:00", "utc": "2099-04-14T21:03:28Z", "ms": 4079883807699.3457 } }, "kaala": "day", "days": [ { "local_date": "2099-04-13", "window": { "start": { "local": "2099-04-13T06:22:57-04:00", "utc": "2099-04-13T10:22:57Z", "ms": 4079758977179.4883 }, "end": { "local": "2099-04-14T06:22:26-04:00", "utc": "2099-04-14T10:22:26Z", "ms": 4079845346392.955 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "2099-04-14", "window": { "start": { "local": "2099-04-14T06:22:26-04:00", "utc": "2099-04-14T10:22:26Z", "ms": 4079845346392.955 }, "end": { "local": "2099-04-15T06:21:56-04:00", "utc": "2099-04-15T10:21:56Z", "ms": 4079931716041.7695 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 17:03 on Tue 14 Apr.", "fact": "2099-04-14T21:03:28Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:23 on the 13th, and from 06:22 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 38461 s" }, { "step": "ruling", "text": "Vaiśākhī, Valencia, 2099: Tuesday 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": "2099-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2099-04-14", "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": "2099-04-14", "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 Valencia, Vaiśākhī 2099 falls on Tuesday 14 April. The Sun enters Meṣa at 17:03 on Tue 14 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-04-15", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13206, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-04-15T00:03:36-04:00", "utc": "2099-04-15T04:03:36Z", "ms": 4079909016132.46 }, "end": { "local": "2099-04-16T02:41:20-04:00", "utc": "2099-04-16T06:41:20Z", "ms": 4080004879762.5894 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-15T00:03:36-04:00", "utc": "2099-04-15T04:03:36Z", "ms": 4079909016132.46 }, "end": { "local": "2099-04-16T02:41:20-04:00", "utc": "2099-04-16T06:41:20Z", "ms": 4080004879762.5894 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-04-15", "window": { "start": { "local": "2099-04-15T06:21:56-04:00", "utc": "2099-04-15T10:21:56Z", "ms": 4079931716041.7695 }, "end": { "local": "2099-04-15T06:21:56-04:00", "utc": "2099-04-15T10:21:56Z", "ms": 4079931716041.7695 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-04-16", "window": { "start": { "local": "2099-04-16T06:21:26-04:00", "utc": "2099-04-16T10:21:26Z", "ms": 4080018086143.803 }, "end": { "local": "2099-04-16T06:21:26-04:00", "utc": "2099-04-16T10:21:26Z", "ms": 4080018086143.803 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:04 on Wed 15 Apr to 02:41 on Thu 16 Apr.", "fact": "2099-04-15T04:03:36Z → 2099-04-16T06:41:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 15th and 06:21 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13206 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Valencia, 2099: Wednesday 15 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": "2099-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-15", "confidence": "determinate" } ], "quote": "In Valencia, Varūthinī Ekādaśī 2099 falls on Wednesday 15 April. Ekādaśī runs from 00:04 on Wed 15 Apr to 02:41 on Thu 16 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-04-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-04-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32554, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-04-17T05:18:31-04:00", "utc": "2099-04-17T09:18:31Z", "ms": 4080100710858.997 }, "end": { "local": "2099-04-18T07:44:18-04:00", "utc": "2099-04-18T11:44:18Z", "ms": 4080195858317.7725 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-17T05:18:31-04:00", "utc": "2099-04-17T09:18:31Z", "ms": 4080100710858.997 }, "end": { "local": "2099-04-18T07:44:18-04:00", "utc": "2099-04-18T11:44:18Z", "ms": 4080195858317.7725 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-04-16", "window": { "start": { "local": "2099-04-16T18:42:52-04:00", "utc": "2099-04-16T22:42:52Z", "ms": 4080062572001.009 }, "end": { "local": "2099-04-16T20:15:57-04:00", "utc": "2099-04-17T00:15:57Z", "ms": 4080068156629.708 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2099-04-17", "window": { "start": { "local": "2099-04-17T18:42:55-04:00", "utc": "2099-04-17T22:42:55Z", "ms": 4080148974521.7715 }, "end": { "local": "2099-04-17T20:15:55-04:00", "utc": "2099-04-18T00:15:55Z", "ms": 4080154554955.6177 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:19 on Fri 17 Apr to 07:44 on Sat 18 Apr.", "fact": "2099-04-17T09:18:31Z → 2099-04-18T11:44:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:16 on the 16th, 18:43–20:16 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 16th and 93 of 93 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32554 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Friday 17 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": "2099-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-17", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Friday 17 April. Trayodaśī runs from 05:19 on Fri 17 Apr to 07:44 on Sat 18 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-04-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24517, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-04-18T07:44:18-04:00", "utc": "2099-04-18T11:44:18Z", "ms": 4080195858317.7725 }, "end": { "local": "2099-04-19T09:50:31-04:00", "utc": "2099-04-19T13:50:31Z", "ms": 4080289831370.3706 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-18T07:44:18-04:00", "utc": "2099-04-18T11:44:18Z", "ms": 4080195858317.7725 }, "end": { "local": "2099-04-19T09:50:31-04:00", "utc": "2099-04-19T13:50:31Z", "ms": 4080289831370.3706 } }, "kaala": "nishita", "days": [ { "local_date": "2099-04-17", "window": { "start": { "local": "2099-04-18T00:07:41-04:00", "utc": "2099-04-18T04:07:41Z", "ms": 4080168461148.6943 }, "end": { "local": "2099-04-18T00:55:41-04:00", "utc": "2099-04-18T04:55:41Z", "ms": 4080171341148.6943 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-04-18", "window": { "start": { "local": "2099-04-19T00:07:28-04:00", "utc": "2099-04-19T04:07:28Z", "ms": 4080254848348.0312 }, "end": { "local": "2099-04-19T00:55:28-04:00", "utc": "2099-04-19T04:55:28Z", "ms": 4080257728348.0312 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:44 on Sat 18 Apr to 09:51 on Sun 19 Apr.", "fact": "2099-04-18T11:44:18Z → 2099-04-19T13:50:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 17th, 00:07–00:55 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24517 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Saturday 18 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": "2099-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-18", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 2099 falls on Saturday 18 April. Caturdaśī runs from 07:44 on Sat 18 Apr to 09:51 on Sun 19 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17756, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2099-04-22T13:30:36-04:00", "utc": "2099-04-22T17:30:36Z", "ms": 4080562236418.6978 }, "end": { "local": "2099-04-23T13:47:21-04:00", "utc": "2099-04-23T17:47:21Z", "ms": 4080649640832.337 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-22T13:30:36-04:00", "utc": "2099-04-22T17:30:36Z", "ms": 4080562236418.6978 }, "end": { "local": "2099-04-23T13:47:21-04:00", "utc": "2099-04-23T17:47:21Z", "ms": 4080649640832.337 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-04-22", "window": { "start": { "local": "2099-04-22T18:43:12-04:00", "utc": "2099-04-22T22:43:12Z", "ms": 4080580991988.307 }, "end": { "local": "2099-04-22T20:15:52-04:00", "utc": "2099-04-23T00:15:52Z", "ms": 4080586551843.817 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2099-04-23", "window": { "start": { "local": "2099-04-23T18:43:16-04:00", "utc": "2099-04-23T22:43:16Z", "ms": 4080667396490.6904 }, "end": { "local": "2099-04-23T20:15:52-04:00", "utc": "2099-04-24T00:15:52Z", "ms": 4080672952317.728 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:31 on Wed 22 Apr to 13:47 on Thu 23 Apr.", "fact": "2099-04-22T17:30:36Z → 2099-04-23T17:47:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:16 on the 22nd, 18:43–20:16 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 93 of 93 minutes on the 22nd and 0 of 93 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17756 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Valencia, 2099: Wednesday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-22", "confidence": "determinate" } ], "quote": "In Valencia, Paraśurāma Jayantī 2099 falls on Wednesday 22 April. Tṛtīyā runs from 13:31 on Wed 22 Apr to 13:47 on Thu 23 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11028, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2099-04-22T13:30:36-04:00", "utc": "2099-04-22T17:30:36Z", "ms": 4080562236418.6978 }, "end": { "local": "2099-04-23T13:47:21-04:00", "utc": "2099-04-23T17:47:21Z", "ms": 4080649640832.337 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-22T13:30:36-04:00", "utc": "2099-04-22T17:30:36Z", "ms": 4080562236418.6978 }, "end": { "local": "2099-04-23T13:47:21-04:00", "utc": "2099-04-23T17:47:21Z", "ms": 4080649640832.337 } }, "kaala": "purvahna", "days": [ { "local_date": "2099-04-22", "window": { "start": { "local": "2099-04-22T06:18:37-04:00", "utc": "2099-04-22T10:18:37Z", "ms": 4080536317187.592 }, "end": { "local": "2099-04-22T10:26:49-04:00", "utc": "2099-04-22T14:26:49Z", "ms": 4080551208787.83 } }, "covered_min": 0, "window_min": 248, "qualifies": false }, { "local_date": "2099-04-23", "window": { "start": { "local": "2099-04-23T06:18:11-04:00", "utc": "2099-04-23T10:18:11Z", "ms": 4080622690904.6304 }, "end": { "local": "2099-04-23T10:26:33-04:00", "utc": "2099-04-23T14:26:33Z", "ms": 4080637592766.6504 } }, "covered_min": 248, "window_min": 248, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:31 on Wed 22 Apr to 13:47 on Thu 23 Apr.", "fact": "2099-04-22T17:30:36Z → 2099-04-23T17:47:21Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:19–10:27 on the 22nd, 06:18–10:27 on the 23rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 248 minutes on the 22nd and 248 of 248 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11028 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Valencia, 2099: Thursday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-23", "confidence": "determinate" } ], "quote": "In Valencia, Akṣaya Tṛtīyā 2099 falls on Thursday 23 April. Tṛtīyā runs from 13:31 on Wed 22 Apr to 13:47 on Thu 23 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-04-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2522, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-04-23T13:47:21-04:00", "utc": "2099-04-23T17:47:21Z", "ms": 4080649640832.337 }, "end": { "local": "2099-04-24T13:36:35-04:00", "utc": "2099-04-24T17:36:35Z", "ms": 4080735395066.799 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-23T13:47:21-04:00", "utc": "2099-04-23T17:47:21Z", "ms": 4080649640832.337 }, "end": { "local": "2099-04-24T13:36:35-04:00", "utc": "2099-04-24T17:36:35Z", "ms": 4080735395066.799 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-04-23", "window": { "start": { "local": "2099-04-23T12:06:44-04:00", "utc": "2099-04-23T16:06:44Z", "ms": 4080643603697.66 }, "end": { "local": "2099-04-23T12:54:44-04:00", "utc": "2099-04-23T16:54:44Z", "ms": 4080646483697.66 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-04-24", "window": { "start": { "local": "2099-04-24T12:06:33-04:00", "utc": "2099-04-24T16:06:33Z", "ms": 4080729993265.8174 }, "end": { "local": "2099-04-24T12:54:33-04:00", "utc": "2099-04-24T16:54:33Z", "ms": 4080732873265.8174 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:47 on Thu 23 Apr to 13:37 on Fri 24 Apr.", "fact": "2099-04-23T17:47:21Z → 2099-04-24T17:36:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 23rd, 12:07–12:55 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2522 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Friday 24 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": "2099-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-24", "confidence": "boundary" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Friday 24 April. Caturthī runs from 13:47 on Thu 23 Apr to 13:37 on Fri 24 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-04-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-25", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 298, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2099-04-24T13:36:35-04:00", "utc": "2099-04-24T17:36:35Z", "ms": 4080735395066.799 }, "end": { "local": "2099-04-25T12:59:21-04:00", "utc": "2099-04-25T16:59:21Z", "ms": 4080819561225.7256 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-24T13:36:35-04:00", "utc": "2099-04-24T17:36:35Z", "ms": 4080735395066.799 }, "end": { "local": "2099-04-25T12:59:21-04:00", "utc": "2099-04-25T16:59:21Z", "ms": 4080819561225.7256 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-04-24", "window": { "start": { "local": "2099-04-24T12:06:33-04:00", "utc": "2099-04-24T16:06:33Z", "ms": 4080729993265.8174 }, "end": { "local": "2099-04-24T12:54:33-04:00", "utc": "2099-04-24T16:54:33Z", "ms": 4080732873265.8174 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-04-25", "window": { "start": { "local": "2099-04-25T12:06:23-04:00", "utc": "2099-04-25T16:06:23Z", "ms": 4080816383300.001 }, "end": { "local": "2099-04-25T12:54:23-04:00", "utc": "2099-04-25T16:54:23Z", "ms": 4080819263300.001 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:37 on Fri 24 Apr to 12:59 on Sat 25 Apr.", "fact": "2099-04-24T17:36:35Z → 2099-04-25T16:59:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 24th, 12:06–12:54 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 298 s < 300 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Valencia, 2099: Saturday 25 April.", "fact": "confidence: boundary (margin)" } ], "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": "2099-04-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-25", "confidence": "boundary" } ], "quote": "In Valencia, Śaṅkara Jayantī 2099 falls on Saturday 25 April. Pañcamī runs from 13:37 on Fri 24 Apr to 12:59 on Sat 25 Apr and covers all of madhyāhna that midday. It is 4 min 58 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 570, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2099-04-26T11:56:44-04:00", "utc": "2099-04-26T15:56:44Z", "ms": 4080902203791.9463 }, "end": { "local": "2099-04-27T10:29:52-04:00", "utc": "2099-04-27T14:29:52Z", "ms": 4080983392293.513 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-26T11:56:44-04:00", "utc": "2099-04-26T15:56:44Z", "ms": 4080902203791.9463 }, "end": { "local": "2099-04-27T10:29:52-04:00", "utc": "2099-04-27T14:29:52Z", "ms": 4080983392293.513 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-04-26", "window": { "start": { "local": "2099-04-26T12:06:14-04:00", "utc": "2099-04-26T16:06:14Z", "ms": 4080902773807.647 }, "end": { "local": "2099-04-26T12:54:14-04:00", "utc": "2099-04-26T16:54:14Z", "ms": 4080905653807.647 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-04-27", "window": { "start": { "local": "2099-04-27T12:06:05-04:00", "utc": "2099-04-27T16:06:05Z", "ms": 4080989164796.249 }, "end": { "local": "2099-04-27T12:54:05-04:00", "utc": "2099-04-27T16:54:05Z", "ms": 4080992044796.249 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:57 on Sun 26 Apr to 10:30 on Mon 27 Apr.", "fact": "2099-04-26T15:56:44Z → 2099-04-27T14:29:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 26th, 12:06–12:54 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 570 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Valencia, 2099: Sunday 26 April.", "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": "2099-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-26", "confidence": "determinate" } ], "quote": "In Valencia, Gaṅgotpatti (Ganga Saptami) 2099 falls on Sunday 26 April. Saptamī runs from 11:57 on Sun 26 Apr to 10:30 on Mon 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-04-30", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8048, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-04-30T04:01:15-04:00", "utc": "2099-04-30T08:01:15Z", "ms": 4081219275170.9927 }, "end": { "local": "2099-05-01T01:18:33-04:00", "utc": "2099-05-01T05:18:33Z", "ms": 4081295913248.974 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-04-30T04:01:15-04:00", "utc": "2099-04-30T08:01:15Z", "ms": 4081219275170.9927 }, "end": { "local": "2099-05-01T01:18:33-04:00", "utc": "2099-05-01T05:18:33Z", "ms": 4081295913248.974 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-04-30", "window": { "start": { "local": "2099-04-30T06:15:24-04:00", "utc": "2099-04-30T10:15:24Z", "ms": 4081227323632.709 }, "end": { "local": "2099-04-30T06:15:24-04:00", "utc": "2099-04-30T10:15:24Z", "ms": 4081227323632.709 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-05-01", "window": { "start": { "local": "2099-05-01T06:15:02-04:00", "utc": "2099-05-01T10:15:02Z", "ms": 4081313702277.88 }, "end": { "local": "2099-05-01T06:15:02-04:00", "utc": "2099-05-01T10:15:02Z", "ms": 4081313702277.88 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:01 on Thu 30 Apr to 01:19 on Fri 1 May.", "fact": "2099-04-30T08:01:15Z → 2099-05-01T05:18:33Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 30th and 06:15 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8048 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Valencia, 2099: Thursday 30 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": "2099-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-04-30", "confidence": "determinate" } ], "quote": "In Valencia, Mohinī Ekādaśī 2099 falls on Thursday 30 April. Ekādaśī runs from 04:01 on Thu 30 Apr to 01:19 on Fri 1 May and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-04-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34381, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2099-05-01T01:18:33-04:00", "utc": "2099-05-01T05:18:33Z", "ms": 4081295913248.974 }, "end": { "local": "2099-05-01T22:26:35-04:00", "utc": "2099-05-02T02:26:35Z", "ms": 4081371995153.2197 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-01T01:18:33-04:00", "utc": "2099-05-01T05:18:33Z", "ms": 4081295913248.974 }, "end": { "local": "2099-05-01T22:26:35-04:00", "utc": "2099-05-02T02:26:35Z", "ms": 4081371995153.2197 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-04-30", "window": { "start": { "local": "2099-04-30T12:05:41-04:00", "utc": "2099-04-30T16:05:41Z", "ms": 4081248340727.8657 }, "end": { "local": "2099-04-30T12:53:41-04:00", "utc": "2099-04-30T16:53:41Z", "ms": 4081251220727.8657 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-05-01", "window": { "start": { "local": "2099-05-01T12:05:34-04:00", "utc": "2099-05-01T16:05:34Z", "ms": 4081334733723.1357 }, "end": { "local": "2099-05-01T12:53:34-04:00", "utc": "2099-05-01T16:53:34Z", "ms": 4081337613723.1357 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:19 on Fri 1 May to 22:27 on Fri 1 May.", "fact": "2099-05-01T05:18:33Z → 2099-05-02T02:26:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 30th, 12:06–12:54 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "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 34381 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Valencia, 2099: Friday 1 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": "2099-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-01", "confidence": "determinate" } ], "quote": "In Valencia, Paraśurāma Dvādaśī 2099 falls on Friday 1 May. Dvādaśī runs from 01:19 on Fri 1 May to 22:27 on Fri 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34381, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2099-05-01T01:18:33-04:00", "utc": "2099-05-01T05:18:33Z", "ms": 4081295913248.974 }, "end": { "local": "2099-05-01T22:26:35-04:00", "utc": "2099-05-02T02:26:35Z", "ms": 4081371995153.2197 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-01T01:18:33-04:00", "utc": "2099-05-01T05:18:33Z", "ms": 4081295913248.974 }, "end": { "local": "2099-05-01T22:26:35-04:00", "utc": "2099-05-02T02:26:35Z", "ms": 4081371995153.2197 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-04-30", "window": { "start": { "local": "2099-04-30T12:05:41-04:00", "utc": "2099-04-30T16:05:41Z", "ms": 4081248340727.8657 }, "end": { "local": "2099-04-30T12:53:41-04:00", "utc": "2099-04-30T16:53:41Z", "ms": 4081251220727.8657 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-05-01", "window": { "start": { "local": "2099-05-01T12:05:34-04:00", "utc": "2099-05-01T16:05:34Z", "ms": 4081334733723.1357 }, "end": { "local": "2099-05-01T12:53:34-04:00", "utc": "2099-05-01T16:53:34Z", "ms": 4081337613723.1357 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:19 on Fri 1 May to 22:27 on Fri 1 May.", "fact": "2099-05-01T05:18:33Z → 2099-05-02T02:26:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 30th, 12:06–12:54 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "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 34381 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Valencia, 2099: Friday 1 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": "2099-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-01", "confidence": "determinate" } ], "quote": "In Valencia, Rukmiṇī Dvādaśī 2099 falls on Friday 1 May. Dvādaśī runs from 01:19 on Fri 1 May to 22:27 on Fri 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2689, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-05-02T19:31:25-04:00", "utc": "2099-05-02T23:31:25Z", "ms": 4081447884750.8555 }, "end": { "local": "2099-05-03T16:40:07-04:00", "utc": "2099-05-03T20:40:07Z", "ms": 4081524007273.477 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-02T19:31:25-04:00", "utc": "2099-05-02T23:31:25Z", "ms": 4081447884750.8555 }, "end": { "local": "2099-05-03T16:40:07-04:00", "utc": "2099-05-03T20:40:07Z", "ms": 4081524007273.477 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-05-02", "window": { "start": { "local": "2099-05-02T18:44:13-04:00", "utc": "2099-05-02T22:44:13Z", "ms": 4081445052887.3984 }, "end": { "local": "2099-05-02T20:16:14-04:00", "utc": "2099-05-03T00:16:14Z", "ms": 4081450574050.8623 } }, "covered_min": 45, "window_min": 92, "qualifies": true }, { "local_date": "2099-05-03", "window": { "start": { "local": "2099-05-03T18:44:21-04:00", "utc": "2099-05-03T22:44:21Z", "ms": 4081531460985.652 }, "end": { "local": "2099-05-03T20:16:18-04:00", "utc": "2099-05-04T00:16:18Z", "ms": 4081536978498.672 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:31 on Sat 2 May to 16:40 on Sun 3 May.", "fact": "2099-05-02T23:31:25Z → 2099-05-03T20:40:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:16 on the 2nd, 18:44–20:16 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 45 of 92 minutes on the 2nd and 0 of 92 on the 3rd.", "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 2689 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Valencia, 2099: Saturday 2 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": "2099-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-02", "confidence": "determinate" } ], "quote": "In Valencia, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2099 falls on Saturday 2 May. Caturdaśī runs from 19:31 on Sat 2 May to 16:40 on Sun 3 May and covers 45 of 92 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/pradosha-vrata?on=2099-05-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2689, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-05-01T22:26:35-04:00", "utc": "2099-05-02T02:26:35Z", "ms": 4081371995153.2197 }, "end": { "local": "2099-05-02T19:31:25-04:00", "utc": "2099-05-02T23:31:25Z", "ms": 4081447884750.8555 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-01T22:26:35-04:00", "utc": "2099-05-02T02:26:35Z", "ms": 4081371995153.2197 }, "end": { "local": "2099-05-02T19:31:25-04:00", "utc": "2099-05-02T23:31:25Z", "ms": 4081447884750.8555 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-05-01", "window": { "start": { "local": "2099-05-01T18:44:05-04:00", "utc": "2099-05-01T22:44:05Z", "ms": 4081358645168.392 }, "end": { "local": "2099-05-01T20:16:10-04:00", "utc": "2099-05-02T00:16:10Z", "ms": 4081364170025.918 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2099-05-02", "window": { "start": { "local": "2099-05-02T18:44:13-04:00", "utc": "2099-05-02T22:44:13Z", "ms": 4081445052887.3984 }, "end": { "local": "2099-05-02T20:16:14-04:00", "utc": "2099-05-03T00:16:14Z", "ms": 4081450574050.8623 } }, "covered_min": 47, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:27 on Fri 1 May to 19:31 on Sat 2 May.", "fact": "2099-05-02T02:26:35Z → 2099-05-02T23:31:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:16 on the 1st, 18:44–20:16 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 1st and 47 of 92 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 2689 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Saturday 2 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": "2099-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-02", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Saturday 2 May. Trayodaśī runs from 22:27 on Fri 1 May to 19:31 on Sat 2 May and covers 47 of 92 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4041, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-05-03T16:40:07-04:00", "utc": "2099-05-03T20:40:07Z", "ms": 4081524007273.477 }, "end": { "local": "2099-05-04T14:00:37-04:00", "utc": "2099-05-04T18:00:37Z", "ms": 4081600836786.179 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-03T16:40:07-04:00", "utc": "2099-05-03T20:40:07Z", "ms": 4081524007273.477 }, "end": { "local": "2099-05-04T14:00:37-04:00", "utc": "2099-05-04T18:00:37Z", "ms": 4081600836786.179 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-05-03", "window": { "start": { "local": "2099-05-03T12:05:21-04:00", "utc": "2099-05-03T16:05:21Z", "ms": 4081507521299.5156 }, "end": { "local": "2099-05-03T12:53:21-04:00", "utc": "2099-05-03T16:53:21Z", "ms": 4081510401299.5156 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-05-04", "window": { "start": { "local": "2099-05-04T12:05:16-04:00", "utc": "2099-05-04T16:05:16Z", "ms": 4081593915900.8877 }, "end": { "local": "2099-05-04T12:53:16-04:00", "utc": "2099-05-04T16:53:16Z", "ms": 4081596795900.8877 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:40 on Sun 3 May to 14:01 on Mon 4 May.", "fact": "2099-05-03T20:40:07Z → 2099-05-04T18:00:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 3rd, 12:05–12:53 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4041 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Valencia, 2099: Monday 4 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": "2099-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-04", "confidence": "determinate" } ], "quote": "In Valencia, Buddha Pūrṇimā 2099 falls on Monday 4 May. Pūrṇimā runs from 16:40 on Sun 3 May to 14:01 on Mon 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4041, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-05-03T16:40:07-04:00", "utc": "2099-05-03T20:40:07Z", "ms": 4081524007273.477 }, "end": { "local": "2099-05-04T14:00:37-04:00", "utc": "2099-05-04T18:00:37Z", "ms": 4081600836786.179 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-03T16:40:07-04:00", "utc": "2099-05-03T20:40:07Z", "ms": 4081524007273.477 }, "end": { "local": "2099-05-04T14:00:37-04:00", "utc": "2099-05-04T18:00:37Z", "ms": 4081600836786.179 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-05-03", "window": { "start": { "local": "2099-05-03T12:05:21-04:00", "utc": "2099-05-03T16:05:21Z", "ms": 4081507521299.5156 }, "end": { "local": "2099-05-03T12:53:21-04:00", "utc": "2099-05-03T16:53:21Z", "ms": 4081510401299.5156 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-05-04", "window": { "start": { "local": "2099-05-04T12:05:16-04:00", "utc": "2099-05-04T16:05:16Z", "ms": 4081593915900.8877 }, "end": { "local": "2099-05-04T12:53:16-04:00", "utc": "2099-05-04T16:53:16Z", "ms": 4081596795900.8877 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:40 on Sun 3 May to 14:01 on Mon 4 May.", "fact": "2099-05-03T20:40:07Z → 2099-05-04T18:00:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 3rd, 12:05–12:53 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4041 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Valencia, 2099: Monday 4 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": "2099-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-04", "confidence": "determinate" } ], "quote": "In Valencia, Sampat Gaurī Vrata 2099 falls on Monday 4 May. Pūrṇimā runs from 16:40 on Sun 3 May to 14:01 on Mon 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-05-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36540, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-05-07T08:36:02-04:00", "utc": "2099-05-07T12:36:02Z", "ms": 4081840561900.4146 }, "end": { "local": "2099-05-08T08:04:02-04:00", "utc": "2099-05-08T12:04:02Z", "ms": 4081925042325.9727 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-07T08:36:02-04:00", "utc": "2099-05-07T12:36:02Z", "ms": 4081840561900.4146 }, "end": { "local": "2099-05-08T08:04:02-04:00", "utc": "2099-05-08T12:04:02Z", "ms": 4081925042325.9727 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-05-06", "window": { "start": { "local": "2099-05-06T20:55:16-04:00", "utc": "2099-05-07T00:55:16Z", "ms": 4081798516240.553 }, "end": { "local": "2099-05-06T20:55:16-04:00", "utc": "2099-05-07T00:55:16Z", "ms": 4081798516240.553 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-05-07", "window": { "start": { "local": "2099-05-07T21:55:02-04:00", "utc": "2099-05-08T01:55:02Z", "ms": 4081888502265.0225 }, "end": { "local": "2099-05-07T21:55:02-04:00", "utc": "2099-05-08T01:55:02Z", "ms": 4081888502265.0225 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:36 on Thu 7 May to 08:04 on Fri 8 May.", "fact": "2099-05-07T12:36:02Z → 2099-05-08T12:04:02Z" }, { "step": "kaala", "text": "Moonrise is at 20:55 on the 6th and 21:55 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36540 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Thursday 7 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": "2099-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-07", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Thursday 7 May. Caturthī runs from 08:36 on Thu 7 May to 08:04 on Fri 8 May and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ekadashi?on=2099-05-15", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34311, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-05-14T18:16:32-04:00", "utc": "2099-05-14T22:16:32Z", "ms": 4082480191790.2236 }, "end": { "local": "2099-05-15T20:39:20-04:00", "utc": "2099-05-16T00:39:20Z", "ms": 4082575159700.255 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-14T18:16:32-04:00", "utc": "2099-05-14T22:16:32Z", "ms": 4082480191790.2236 }, "end": { "local": "2099-05-15T20:39:20-04:00", "utc": "2099-05-16T00:39:20Z", "ms": 4082575159700.255 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-05-15", "window": { "start": { "local": "2099-05-15T06:11:20-04:00", "utc": "2099-05-15T10:11:20Z", "ms": 4082523080290.1924 }, "end": { "local": "2099-05-15T06:11:20-04:00", "utc": "2099-05-15T10:11:20Z", "ms": 4082523080290.1924 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-05-16", "window": { "start": { "local": "2099-05-16T06:11:10-04:00", "utc": "2099-05-16T10:11:10Z", "ms": 4082609470310.0195 }, "end": { "local": "2099-05-16T06:11:10-04:00", "utc": "2099-05-16T10:11:10Z", "ms": 4082609470310.0195 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:17 on Thu 14 May to 20:39 on Fri 15 May.", "fact": "2099-05-14T22:16:32Z → 2099-05-16T00:39:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 15th and 06:11 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34311 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Valencia, 2099: Friday 15 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": "2099-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-15", "confidence": "determinate" } ], "quote": "In Valencia, Aparā Ekādaśī 2099 falls on Friday 15 May. Ekādaśī runs from 18:17 on Thu 14 May to 20:39 on Fri 15 May and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-05-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-05-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8454, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-05-16T22:38:51-04:00", "utc": "2099-05-17T02:38:51Z", "ms": 4082668730547.6772 }, "end": { "local": "2099-05-18T00:07:06-04:00", "utc": "2099-05-18T04:07:06Z", "ms": 4082760426466.562 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-16T22:38:51-04:00", "utc": "2099-05-17T02:38:51Z", "ms": 4082668730547.6772 }, "end": { "local": "2099-05-18T00:07:06-04:00", "utc": "2099-05-18T04:07:06Z", "ms": 4082760426466.562 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-05-16", "window": { "start": { "local": "2099-05-16T18:46:41-04:00", "utc": "2099-05-16T22:46:41Z", "ms": 4082654801458.026 }, "end": { "local": "2099-05-16T20:17:56-04:00", "utc": "2099-05-17T00:17:56Z", "ms": 4082660276081.748 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2099-05-17", "window": { "start": { "local": "2099-05-17T18:46:55-04:00", "utc": "2099-05-17T22:46:55Z", "ms": 4082741214823.6353 }, "end": { "local": "2099-05-17T20:18:07-04:00", "utc": "2099-05-18T00:18:07Z", "ms": 4082746686549.361 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:39 on Sat 16 May to 00:07 on Mon 18 May.", "fact": "2099-05-17T02:38:51Z → 2099-05-18T04:07:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:18 on the 16th, 18:47–20:18 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 16th and 91 of 91 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8454 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Sunday 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": "2099-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-17", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Sunday 17 May. Trayodaśī runs from 22:39 on Sat 16 May to 00:07 on Mon 18 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-05-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-05-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-18", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 133, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-05-18T00:07:06-04:00", "utc": "2099-05-18T04:07:06Z", "ms": 4082760426466.562 }, "end": { "local": "2099-05-19T01:00:22-04:00", "utc": "2099-05-19T05:00:22Z", "ms": 4082850022258.743 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-18T00:07:06-04:00", "utc": "2099-05-18T04:07:06Z", "ms": 4082760426466.562 }, "end": { "local": "2099-05-19T01:00:22-04:00", "utc": "2099-05-19T05:00:22Z", "ms": 4082850022258.743 } }, "kaala": "nishita", "days": [ { "local_date": "2099-05-17", "window": { "start": { "local": "2099-05-18T00:04:54-04:00", "utc": "2099-05-18T04:04:54Z", "ms": 4082760293795.1055 }, "end": { "local": "2099-05-18T00:52:54-04:00", "utc": "2099-05-18T04:52:54Z", "ms": 4082763173795.1055 } }, "covered_min": 46, "window_min": 48, "qualifies": true }, { "local_date": "2099-05-18", "window": { "start": { "local": "2099-05-19T00:04:57-04:00", "utc": "2099-05-19T04:04:57Z", "ms": 4082846696852.5303 }, "end": { "local": "2099-05-19T00:52:57-04:00", "utc": "2099-05-19T04:52:57Z", "ms": 4082849576852.5303 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:07 on Mon 18 May to 01:00 on Tue 19 May.", "fact": "2099-05-18T04:07:06Z → 2099-05-19T05:00:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 17th, 00:05–00:53 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 46 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 133 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Monday 18 May.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-05-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-18", "confidence": "boundary" } ], "quote": "In Valencia, Śivarātri 2099 falls on Monday 18 May. Caturdaśī runs from 00:07 on Mon 18 May to 01:00 on Tue 19 May and covers all of niśītha that night. It also reaches the previous night for 46 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 13 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37326, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2099-05-22T00:21:31-04:00", "utc": "2099-05-22T04:21:31Z", "ms": 4083106891378.2324 }, "end": { "local": "2099-05-22T23:15:23-04:00", "utc": "2099-05-23T03:15:23Z", "ms": 4083189322768.4463 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-22T00:21:31-04:00", "utc": "2099-05-22T04:21:31Z", "ms": 4083106891378.2324 }, "end": { "local": "2099-05-22T23:15:23-04:00", "utc": "2099-05-23T03:15:23Z", "ms": 4083189322768.4463 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-05-21", "window": { "start": { "local": "2099-05-21T12:05:12-04:00", "utc": "2099-05-21T16:05:12Z", "ms": 4083062711872.4756 }, "end": { "local": "2099-05-21T12:53:12-04:00", "utc": "2099-05-21T16:53:12Z", "ms": 4083065591872.4756 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-05-22", "window": { "start": { "local": "2099-05-22T12:05:17-04:00", "utc": "2099-05-22T16:05:17Z", "ms": 4083149116667.7373 }, "end": { "local": "2099-05-22T12:53:17-04:00", "utc": "2099-05-22T16:53:17Z", "ms": 4083151996667.7373 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:22 on Fri 22 May to 23:15 on Fri 22 May.", "fact": "2099-05-22T04:21:31Z → 2099-05-23T03:15:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 21st, 12:05–12:53 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37326 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Valencia, 2099: Friday 22 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-22", "confidence": "determinate" } ], "quote": "In Valencia, Rambhā Tṛtīyā 2099 falls on Friday 22 May. Tṛtīyā runs from 00:22 on Fri 22 May to 23:15 on Fri 22 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-05-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32228, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-05-22T23:15:23-04:00", "utc": "2099-05-23T03:15:23Z", "ms": 4083189322768.4463 }, "end": { "local": "2099-05-23T21:50:30-04:00", "utc": "2099-05-24T01:50:30Z", "ms": 4083270630212.9307 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-22T23:15:23-04:00", "utc": "2099-05-23T03:15:23Z", "ms": 4083189322768.4463 }, "end": { "local": "2099-05-23T21:50:30-04:00", "utc": "2099-05-24T01:50:30Z", "ms": 4083270630212.9307 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-05-22", "window": { "start": { "local": "2099-05-22T12:05:17-04:00", "utc": "2099-05-22T16:05:17Z", "ms": 4083149116667.7373 }, "end": { "local": "2099-05-22T12:53:17-04:00", "utc": "2099-05-22T16:53:17Z", "ms": 4083151996667.7373 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-05-23", "window": { "start": { "local": "2099-05-23T12:05:22-04:00", "utc": "2099-05-23T16:05:22Z", "ms": 4083235521965.8022 }, "end": { "local": "2099-05-23T12:53:22-04:00", "utc": "2099-05-23T16:53:22Z", "ms": 4083238401965.8022 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:15 on Fri 22 May to 21:51 on Sat 23 May.", "fact": "2099-05-23T03:15:23Z → 2099-05-24T01:50:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 22nd, 12:05–12:53 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32228 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Saturday 23 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": "2099-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-23", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Saturday 23 May. Caturthī runs from 23:15 on Fri 22 May to 21:51 on Sat 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-05-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19602, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2099-05-24T20:11:02-04:00", "utc": "2099-05-25T00:11:02Z", "ms": 4083351062184.31 }, "end": { "local": "2099-05-25T18:20:16-04:00", "utc": "2099-05-25T22:20:16Z", "ms": 4083430815995.392 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-24T20:11:02-04:00", "utc": "2099-05-25T00:11:02Z", "ms": 4083351062184.31 }, "end": { "local": "2099-05-25T18:20:16-04:00", "utc": "2099-05-25T22:20:16Z", "ms": 4083430815995.392 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-05-24", "window": { "start": { "local": "2099-05-24T12:05:28-04:00", "utc": "2099-05-24T16:05:28Z", "ms": 4083321927752.4395 }, "end": { "local": "2099-05-24T12:53:28-04:00", "utc": "2099-05-24T16:53:28Z", "ms": 4083324807752.4395 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-05-25", "window": { "start": { "local": "2099-05-25T12:05:34-04:00", "utc": "2099-05-25T16:05:34Z", "ms": 4083408334013.251 }, "end": { "local": "2099-05-25T12:53:34-04:00", "utc": "2099-05-25T16:53:34Z", "ms": 4083411214013.251 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:11 on Sun 24 May to 18:20 on Mon 25 May.", "fact": "2099-05-25T00:11:02Z → 2099-05-25T22:20:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 24th, 12:06–12:54 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19602 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Valencia, 2099: Monday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-25", "confidence": "determinate" } ], "quote": "In Valencia, Araṇya Gaurī Vrata 2099 falls on Monday 25 May. Ṣaṣṭhī runs from 20:11 on Sun 24 May to 18:20 on Mon 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19602, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2099-05-24T20:11:02-04:00", "utc": "2099-05-25T00:11:02Z", "ms": 4083351062184.31 }, "end": { "local": "2099-05-25T18:20:16-04:00", "utc": "2099-05-25T22:20:16Z", "ms": 4083430815995.392 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-24T20:11:02-04:00", "utc": "2099-05-25T00:11:02Z", "ms": 4083351062184.31 }, "end": { "local": "2099-05-25T18:20:16-04:00", "utc": "2099-05-25T22:20:16Z", "ms": 4083430815995.392 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-05-24", "window": { "start": { "local": "2099-05-24T12:05:28-04:00", "utc": "2099-05-24T16:05:28Z", "ms": 4083321927752.4395 }, "end": { "local": "2099-05-24T12:53:28-04:00", "utc": "2099-05-24T16:53:28Z", "ms": 4083324807752.4395 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-05-25", "window": { "start": { "local": "2099-05-25T12:05:34-04:00", "utc": "2099-05-25T16:05:34Z", "ms": 4083408334013.251 }, "end": { "local": "2099-05-25T12:53:34-04:00", "utc": "2099-05-25T16:53:34Z", "ms": 4083411214013.251 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:11 on Sun 24 May to 18:20 on Mon 25 May.", "fact": "2099-05-25T00:11:02Z → 2099-05-25T22:20:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 24th, 12:06–12:54 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19602 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Valencia, 2099: Monday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-25", "confidence": "determinate" } ], "quote": "In Valencia, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2099 falls on Monday 25 May. Ṣaṣṭhī runs from 20:11 on Sun 24 May to 18:20 on Mon 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-05-30", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4733, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-05-29T09:46:00-04:00", "utc": "2099-05-29T13:46:00Z", "ms": 4083745559649.7363 }, "end": { "local": "2099-05-30T07:29:06-04:00", "utc": "2099-05-30T11:29:06Z", "ms": 4083823746212.8276 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-29T09:46:00-04:00", "utc": "2099-05-29T13:46:00Z", "ms": 4083745559649.7363 }, "end": { "local": "2099-05-30T07:29:06-04:00", "utc": "2099-05-30T11:29:06Z", "ms": 4083823746212.8276 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-05-29", "window": { "start": { "local": "2099-05-29T06:10:12-04:00", "utc": "2099-05-29T10:10:12Z", "ms": 4083732612190.3438 }, "end": { "local": "2099-05-29T06:10:12-04:00", "utc": "2099-05-29T10:10:12Z", "ms": 4083732612190.3438 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-05-30", "window": { "start": { "local": "2099-05-30T06:10:13-04:00", "utc": "2099-05-30T10:10:13Z", "ms": 4083819012975.855 }, "end": { "local": "2099-05-30T06:10:13-04:00", "utc": "2099-05-30T10:10:13Z", "ms": 4083819012975.855 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:46 on Fri 29 May to 07:29 on Sat 30 May.", "fact": "2099-05-29T13:46:00Z → 2099-05-30T11:29:06Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 29th and 06:10 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 4733 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Valencia, 2099: Saturday 30 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": "2099-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-30", "confidence": "determinate" } ], "quote": "In Valencia, Nirjalā Ekādaśī 2099 falls on Saturday 30 May. Ekādaśī runs from 09:46 on Fri 29 May to 07:29 on Sat 30 May and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-05-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16626, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2099-05-30T07:29:06-04:00", "utc": "2099-05-30T11:29:06Z", "ms": 4083823746212.8276 }, "end": { "local": "2099-05-31T05:14:41-04:00", "utc": "2099-05-31T09:14:41Z", "ms": 4083902080830.709 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-30T07:29:06-04:00", "utc": "2099-05-30T11:29:06Z", "ms": 4083823746212.8276 }, "end": { "local": "2099-05-31T05:14:41-04:00", "utc": "2099-05-31T09:14:41Z", "ms": 4083902080830.709 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-05-30", "window": { "start": { "local": "2099-05-30T12:06:12-04:00", "utc": "2099-05-30T16:06:12Z", "ms": 4083840371946.4946 }, "end": { "local": "2099-05-30T12:54:12-04:00", "utc": "2099-05-30T16:54:12Z", "ms": 4083843251946.4946 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-05-31", "window": { "start": { "local": "2099-05-31T12:06:21-04:00", "utc": "2099-05-31T16:06:21Z", "ms": 4083926780769.0527 }, "end": { "local": "2099-05-31T12:54:21-04:00", "utc": "2099-05-31T16:54:21Z", "ms": 4083929660769.0527 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:29 on Sat 30 May to 05:15 on Sun 31 May.", "fact": "2099-05-30T11:29:06Z → 2099-05-31T09:14:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 30th, 12:06–12:54 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16626 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Valencia, 2099: Saturday 30 May.", "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": "2099-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-30", "confidence": "determinate" } ], "quote": "In Valencia, Śrī Rāma Dvādaśī 2099 falls on Saturday 30 May. Dvādaśī runs from 07:29 on Sat 30 May to 05:15 on Sun 31 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/pradosha-vrata?on=2099-05-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24383, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-05-31T05:14:41-04:00", "utc": "2099-05-31T09:14:41Z", "ms": 4083902080830.709 }, "end": { "local": "2099-06-01T03:07:28-04:00", "utc": "2099-06-01T07:07:28Z", "ms": 4083980848355.711 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-05-31T05:14:41-04:00", "utc": "2099-05-31T09:14:41Z", "ms": 4083902080830.709 }, "end": { "local": "2099-06-01T03:07:28-04:00", "utc": "2099-06-01T07:07:28Z", "ms": 4083980848355.711 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-05-30", "window": { "start": { "local": "2099-05-30T18:50:11-04:00", "utc": "2099-05-30T22:50:11Z", "ms": 4083864610917.1343 }, "end": { "local": "2099-05-30T20:20:51-04:00", "utc": "2099-05-31T00:20:51Z", "ms": 4083870051391.087 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2099-05-31", "window": { "start": { "local": "2099-05-31T18:50:27-04:00", "utc": "2099-05-31T22:50:27Z", "ms": 4083951027066.324 }, "end": { "local": "2099-05-31T20:21:06-04:00", "utc": "2099-06-01T00:21:06Z", "ms": 4083956465680.193 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:15 on Sun 31 May to 03:07 on Mon 1 Jun.", "fact": "2099-05-31T09:14:41Z → 2099-06-01T07:07:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:21 on the 30th, 18:50–20:21 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 30th and 91 of 91 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 24383 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Sunday 31 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": "2099-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-05-31", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Sunday 31 May. Trayodaśī runs from 05:15 on Sun 31 May to 03:07 on Mon 1 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11845, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-06-02T01:13:21-04:00", "utc": "2099-06-02T05:13:21Z", "ms": 4084060400659.363 }, "end": { "local": "2099-06-02T23:39:00-04:00", "utc": "2099-06-03T03:39:00Z", "ms": 4084141139623.321 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-02T01:13:21-04:00", "utc": "2099-06-02T05:13:21Z", "ms": 4084060400659.363 }, "end": { "local": "2099-06-02T23:39:00-04:00", "utc": "2099-06-03T03:39:00Z", "ms": 4084141139623.321 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-06-01", "window": { "start": { "local": "2099-06-01T18:50:43-04:00", "utc": "2099-06-01T22:50:43Z", "ms": 4084037443280.204 }, "end": { "local": "2099-06-01T20:21:20-04:00", "utc": "2099-06-02T00:21:20Z", "ms": 4084042880117.9736 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2099-06-02", "window": { "start": { "local": "2099-06-02T18:51:00-04:00", "utc": "2099-06-02T22:51:00Z", "ms": 4084123859542.45 }, "end": { "local": "2099-06-02T20:21:35-04:00", "utc": "2099-06-03T00:21:35Z", "ms": 4084129294689.1387 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:13 on Tue 2 Jun to 23:39 on Tue 2 Jun.", "fact": "2099-06-02T05:13:21Z → 2099-06-03T03:39:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:21 on the 1st, 18:51–20:22 on the 2nd.", "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 91 minutes on the 1st and 91 of 91 on the 2nd.", "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 11845 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Valencia, 2099: Tuesday 2 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": "2099-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-02", "confidence": "determinate" } ], "quote": "In Valencia, Vaṭa Sāvitrī Vrata 2099 falls on Tuesday 2 June. Pūrṇimā runs from 01:13 on Tue 2 Jun to 23:39 on Tue 2 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-06-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1616, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-06-05T22:01:43-04:00", "utc": "2099-06-06T02:01:43Z", "ms": 4084394503308.575 }, "end": { "local": "2099-06-06T22:47:20-04:00", "utc": "2099-06-07T02:47:20Z", "ms": 4084483639780.3335 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-05T22:01:43-04:00", "utc": "2099-06-06T02:01:43Z", "ms": 4084394503308.575 }, "end": { "local": "2099-06-06T22:47:20-04:00", "utc": "2099-06-07T02:47:20Z", "ms": 4084483639780.3335 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-06-05", "window": { "start": { "local": "2099-06-05T21:31:44-04:00", "utc": "2099-06-06T01:31:44Z", "ms": 4084392703571.134 }, "end": { "local": "2099-06-05T21:31:44-04:00", "utc": "2099-06-06T01:31:44Z", "ms": 4084392703571.134 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-06-06", "window": { "start": { "local": "2099-06-06T22:20:24-04:00", "utc": "2099-06-07T02:20:24Z", "ms": 4084482023615.6484 }, "end": { "local": "2099-06-06T22:20:24-04:00", "utc": "2099-06-07T02:20:24Z", "ms": 4084482023615.6484 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:02 on Fri 5 Jun to 22:47 on Sat 6 Jun.", "fact": "2099-06-06T02:01:43Z → 2099-06-07T02:47:20Z" }, { "step": "kaala", "text": "Moonrise is at 21:32 on the 5th and 22:20 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1616 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Saturday 6 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": "2099-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-06", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Saturday 6 June. Caturthī runs from 22:02 on Fri 5 Jun to 22:47 on Sat 6 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-06-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ekadashi?on=2099-06-14", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19414, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-06-13T11:35:08-04:00", "utc": "2099-06-13T15:35:08Z", "ms": 4085048108437.1445 }, "end": { "local": "2099-06-14T13:04:01-04:00", "utc": "2099-06-14T17:04:01Z", "ms": 4085139841202.2446 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-13T11:35:08-04:00", "utc": "2099-06-13T15:35:08Z", "ms": 4085048108437.1445 }, "end": { "local": "2099-06-14T13:04:01-04:00", "utc": "2099-06-14T17:04:01Z", "ms": 4085139841202.2446 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-06-13", "window": { "start": { "local": "2099-06-13T06:11:34-04:00", "utc": "2099-06-13T10:11:34Z", "ms": 4085028694048.806 }, "end": { "local": "2099-06-13T06:11:34-04:00", "utc": "2099-06-13T10:11:34Z", "ms": 4085028694048.806 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-06-14", "window": { "start": { "local": "2099-06-14T06:11:44-04:00", "utc": "2099-06-14T10:11:44Z", "ms": 4085115104301.4565 }, "end": { "local": "2099-06-14T06:11:44-04:00", "utc": "2099-06-14T10:11:44Z", "ms": 4085115104301.4565 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:35 on Sat 13 Jun to 13:04 on Sun 14 Jun.", "fact": "2099-06-13T15:35:08Z → 2099-06-14T17:04:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 13th and 06:12 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19414 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Valencia, 2099: Sunday 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": "2099-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-14", "confidence": "determinate" } ], "quote": "In Valencia, Yoginī Ekādaśī 2099 falls on Sunday 14 June. Ekādaśī runs from 11:35 on Sat 13 Jun to 13:04 on Sun 14 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-06-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17817, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-06-15T13:52:13-04:00", "utc": "2099-06-15T17:52:13Z", "ms": 4085229133153.24 }, "end": { "local": "2099-06-16T13:57:44-04:00", "utc": "2099-06-16T17:57:44Z", "ms": 4085315863936.331 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-15T13:52:13-04:00", "utc": "2099-06-15T17:52:13Z", "ms": 4085229133153.24 }, "end": { "local": "2099-06-16T13:57:44-04:00", "utc": "2099-06-16T17:57:44Z", "ms": 4085315863936.331 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-06-15", "window": { "start": { "local": "2099-06-15T18:54:26-04:00", "utc": "2099-06-15T22:54:26Z", "ms": 4085247266439.7827 }, "end": { "local": "2099-06-15T20:24:48-04:00", "utc": "2099-06-16T00:24:48Z", "ms": 4085252687750.2715 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2099-06-16", "window": { "start": { "local": "2099-06-16T18:54:41-04:00", "utc": "2099-06-16T22:54:41Z", "ms": 4085333681201.8916 }, "end": { "local": "2099-06-16T20:25:02-04:00", "utc": "2099-06-17T00:25:02Z", "ms": 4085339102099.4253 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:52 on Mon 15 Jun to 13:58 on Tue 16 Jun.", "fact": "2099-06-15T17:52:13Z → 2099-06-16T17:57:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:25 on the 15th, 18:55–20:25 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 90 of 90 minutes on the 15th and 0 of 90 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 17817 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Monday 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": "2099-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-15", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Monday 15 June. Trayodaśī runs from 13:52 on Mon 15 Jun to 13:58 on Tue 16 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-06-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-06-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36706, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-06-16T13:57:44-04:00", "utc": "2099-06-16T17:57:44Z", "ms": 4085315863936.331 }, "end": { "local": "2099-06-17T13:22:42-04:00", "utc": "2099-06-17T17:22:42Z", "ms": 4085400161674.8374 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-16T13:57:44-04:00", "utc": "2099-06-16T17:57:44Z", "ms": 4085315863936.331 }, "end": { "local": "2099-06-17T13:22:42-04:00", "utc": "2099-06-17T17:22:42Z", "ms": 4085400161674.8374 } }, "kaala": "nishita", "days": [ { "local_date": "2099-06-16", "window": { "start": { "local": "2099-06-17T00:09:30-04:00", "utc": "2099-06-17T04:09:30Z", "ms": 4085352569567.6426 }, "end": { "local": "2099-06-17T00:57:30-04:00", "utc": "2099-06-17T04:57:30Z", "ms": 4085355449567.6426 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-06-17", "window": { "start": { "local": "2099-06-18T00:09:43-04:00", "utc": "2099-06-18T04:09:43Z", "ms": 4085438982843.283 }, "end": { "local": "2099-06-18T00:57:43-04:00", "utc": "2099-06-18T04:57:43Z", "ms": 4085441862843.283 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:58 on Tue 16 Jun to 13:23 on Wed 17 Jun.", "fact": "2099-06-16T17:57:44Z → 2099-06-17T17:22:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 16th, 00:10–00:58 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36706 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Tuesday 16 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": "2099-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-16", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 2099 falls on Tuesday 16 June. Caturdaśī runs from 13:58 on Tue 16 Jun to 13:23 on Wed 17 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5812, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2099-06-19T10:33:11-04:00", "utc": "2099-06-19T14:33:11Z", "ms": 4085562791052.3857 }, "end": { "local": "2099-06-20T08:33:10-04:00", "utc": "2099-06-20T12:33:10Z", "ms": 4085641990338.0596 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-19T10:33:11-04:00", "utc": "2099-06-19T14:33:11Z", "ms": 4085562791052.3857 }, "end": { "local": "2099-06-20T08:33:10-04:00", "utc": "2099-06-20T12:33:10Z", "ms": 4085641990338.0596 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-06-19", "window": { "start": { "local": "2099-06-19T12:10:03-04:00", "utc": "2099-06-19T16:10:03Z", "ms": 4085568603047.8105 }, "end": { "local": "2099-06-19T12:58:03-04:00", "utc": "2099-06-19T16:58:03Z", "ms": 4085571483047.8105 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-06-20", "window": { "start": { "local": "2099-06-20T12:10:16-04:00", "utc": "2099-06-20T16:10:16Z", "ms": 4085655016170.7344 }, "end": { "local": "2099-06-20T12:58:16-04:00", "utc": "2099-06-20T16:58:16Z", "ms": 4085657896170.7344 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:33 on Fri 19 Jun to 08:33 on Sat 20 Jun.", "fact": "2099-06-19T14:33:11Z → 2099-06-20T12:33:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 19th, 12:10–12:58 on the 20th.", "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 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 5812 s" }, { "step": "ruling", "text": "Rathayātrā, Valencia, 2099: Friday 19 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-19", "confidence": "determinate" } ], "quote": "In Valencia, Rathayātrā 2099 falls on Friday 19 June. Dvitīyā runs from 10:33 on Fri 19 Jun to 08:33 on Sat 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-06-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21051, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-06-21T06:19:38-04:00", "utc": "2099-06-21T10:19:38Z", "ms": 4085720378096.2856 }, "end": { "local": "2099-06-22T03:59:17-04:00", "utc": "2099-06-22T07:59:17Z", "ms": 4085798356613.1255 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-21T06:19:38-04:00", "utc": "2099-06-21T10:19:38Z", "ms": 4085720378096.2856 }, "end": { "local": "2099-06-22T03:59:17-04:00", "utc": "2099-06-22T07:59:17Z", "ms": 4085798356613.1255 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-06-21", "window": { "start": { "local": "2099-06-21T12:10:29-04:00", "utc": "2099-06-21T16:10:29Z", "ms": 4085741429254.7354 }, "end": { "local": "2099-06-21T12:58:29-04:00", "utc": "2099-06-21T16:58:29Z", "ms": 4085744309254.7354 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-06-22", "window": { "start": { "local": "2099-06-22T12:10:42-04:00", "utc": "2099-06-22T16:10:42Z", "ms": 4085827842271.3555 }, "end": { "local": "2099-06-22T12:58:42-04:00", "utc": "2099-06-22T16:58:42Z", "ms": 4085830722271.3555 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:20 on Sun 21 Jun to 03:59 on Mon 22 Jun.", "fact": "2099-06-21T10:19:38Z → 2099-06-22T07:59:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 21st, 12:11–12:59 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21051 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Sunday 21 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": "2099-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-21", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Sunday 21 June. Caturthī runs from 06:20 on Sun 21 Jun to 03:59 on Mon 22 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-06-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29486, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2099-06-22T03:59:17-04:00", "utc": "2099-06-22T07:59:17Z", "ms": 4085798356613.1255 }, "end": { "local": "2099-06-23T01:37:39-04:00", "utc": "2099-06-23T05:37:39Z", "ms": 4085876259127.6226 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-22T03:59:17-04:00", "utc": "2099-06-22T07:59:17Z", "ms": 4085798356613.1255 }, "end": { "local": "2099-06-23T01:37:39-04:00", "utc": "2099-06-23T05:37:39Z", "ms": 4085876259127.6226 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-06-22", "window": { "start": { "local": "2099-06-22T12:10:42-04:00", "utc": "2099-06-22T16:10:42Z", "ms": 4085827842271.3555 }, "end": { "local": "2099-06-22T12:58:42-04:00", "utc": "2099-06-22T16:58:42Z", "ms": 4085830722271.3555 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-06-23", "window": { "start": { "local": "2099-06-23T12:10:55-04:00", "utc": "2099-06-23T16:10:55Z", "ms": 4085914255193.15 }, "end": { "local": "2099-06-23T12:58:55-04:00", "utc": "2099-06-23T16:58:55Z", "ms": 4085917135193.15 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:59 on Mon 22 Jun to 01:38 on Tue 23 Jun.", "fact": "2099-06-22T07:59:17Z → 2099-06-23T05:37:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 22nd, 12:11–12:59 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29486 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Valencia, 2099: Monday 22 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-22", "confidence": "determinate" } ], "quote": "In Valencia, Skanda Pañcamī 2099 falls on Monday 22 June. Pañcamī runs from 03:59 on Mon 22 Jun to 01:38 on Tue 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29220, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2099-06-23T23:18:58-04:00", "utc": "2099-06-24T03:18:58Z", "ms": 4085954338271.556 }, "end": { "local": "2099-06-24T21:06:08-04:00", "utc": "2099-06-25T01:06:08Z", "ms": 4086032767885.0474 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-23T23:18:58-04:00", "utc": "2099-06-24T03:18:58Z", "ms": 4085954338271.556 }, "end": { "local": "2099-06-24T21:06:08-04:00", "utc": "2099-06-25T01:06:08Z", "ms": 4086032767885.0474 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-06-23", "window": { "start": { "local": "2099-06-23T12:10:55-04:00", "utc": "2099-06-23T16:10:55Z", "ms": 4085914255193.15 }, "end": { "local": "2099-06-23T12:58:55-04:00", "utc": "2099-06-23T16:58:55Z", "ms": 4085917135193.15 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-06-24", "window": { "start": { "local": "2099-06-24T12:11:08-04:00", "utc": "2099-06-24T16:11:08Z", "ms": 4086000667994.0327 }, "end": { "local": "2099-06-24T12:59:08-04:00", "utc": "2099-06-24T16:59:08Z", "ms": 4086003547994.0327 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:19 on Tue 23 Jun to 21:06 on Wed 24 Jun.", "fact": "2099-06-24T03:18:58Z → 2099-06-25T01:06:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 23rd, 12:11–12:59 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29220 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Valencia, 2099: Wednesday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-24", "confidence": "determinate" } ], "quote": "In Valencia, Vivasvat Saptamī 2099 falls on Wednesday 24 June. Saptamī runs from 23:19 on Tue 23 Jun to 21:06 on Wed 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-06-28", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26944, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-06-27T15:18:29-04:00", "utc": "2099-06-27T19:18:29Z", "ms": 4086271108500.606 }, "end": { "local": "2099-06-28T13:43:52-04:00", "utc": "2099-06-28T17:43:52Z", "ms": 4086351831608.335 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-27T15:18:29-04:00", "utc": "2099-06-27T19:18:29Z", "ms": 4086271108500.606 }, "end": { "local": "2099-06-28T13:43:52-04:00", "utc": "2099-06-28T17:43:52Z", "ms": 4086351831608.335 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-06-27", "window": { "start": { "local": "2099-06-27T06:14:33-04:00", "utc": "2099-06-27T10:14:33Z", "ms": 4086238472987.739 }, "end": { "local": "2099-06-27T06:14:33-04:00", "utc": "2099-06-27T10:14:33Z", "ms": 4086238472987.739 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-06-28", "window": { "start": { "local": "2099-06-28T06:14:48-04:00", "utc": "2099-06-28T10:14:48Z", "ms": 4086324887739.404 }, "end": { "local": "2099-06-28T06:14:48-04:00", "utc": "2099-06-28T10:14:48Z", "ms": 4086324887739.404 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:18 on Sat 27 Jun to 13:44 on Sun 28 Jun.", "fact": "2099-06-27T19:18:29Z → 2099-06-28T17:43:52Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 27th and 06:15 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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 26944 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Valencia, 2099: Sunday 28 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": "2099-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-28", "confidence": "determinate" } ], "quote": "In Valencia, Hariśayanī Ekādaśī 2099 falls on Sunday 28 June. Ekādaśī runs from 15:18 on Sat 27 Jun to 13:44 on Sun 28 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-06-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23640, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-06-29T12:23:16-04:00", "utc": "2099-06-29T16:23:16Z", "ms": 4086433395903.018 }, "end": { "local": "2099-06-30T11:20:04-04:00", "utc": "2099-06-30T15:20:04Z", "ms": 4086516003917.7764 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-06-29T12:23:16-04:00", "utc": "2099-06-29T16:23:16Z", "ms": 4086433395903.018 }, "end": { "local": "2099-06-30T11:20:04-04:00", "utc": "2099-06-30T15:20:04Z", "ms": 4086516003917.7764 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-06-29", "window": { "start": { "local": "2099-06-29T18:57:16-04:00", "utc": "2099-06-29T22:57:16Z", "ms": 4086457036132.9487 }, "end": { "local": "2099-06-29T20:27:40-04:00", "utc": "2099-06-30T00:27:40Z", "ms": 4086462460330.2275 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2099-06-30", "window": { "start": { "local": "2099-06-30T18:57:24-04:00", "utc": "2099-06-30T22:57:24Z", "ms": 4086543444360.932 }, "end": { "local": "2099-06-30T20:27:49-04:00", "utc": "2099-07-01T00:27:49Z", "ms": 4086548869471.8315 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:23 on Mon 29 Jun to 11:20 on Tue 30 Jun.", "fact": "2099-06-29T16:23:16Z → 2099-06-30T15:20:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:28 on the 29th, 18:57–20:28 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 29th and 0 of 90 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23640 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Monday 29 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": "2099-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-06-29", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Monday 29 June. Trayodaśī runs from 12:23 on Mon 29 Jun to 11:20 on Tue 30 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-06-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5644, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-07-01T10:38:28-04:00", "utc": "2099-07-01T14:38:28Z", "ms": 4086599908489.3726 }, "end": { "local": "2099-07-02T10:23:07-04:00", "utc": "2099-07-02T14:23:07Z", "ms": 4086685387148.848 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-07-01T10:38:28-04:00", "utc": "2099-07-01T14:38:28Z", "ms": 4086599908489.3726 }, "end": { "local": "2099-07-02T10:23:07-04:00", "utc": "2099-07-02T14:23:07Z", "ms": 4086685387148.848 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-07-01", "window": { "start": { "local": "2099-07-01T12:12:32-04:00", "utc": "2099-07-01T16:12:32Z", "ms": 4086605552331.175 }, "end": { "local": "2099-07-01T13:00:32-04:00", "utc": "2099-07-01T17:00:32Z", "ms": 4086608432331.175 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-07-02", "window": { "start": { "local": "2099-07-02T12:12:43-04:00", "utc": "2099-07-02T16:12:43Z", "ms": 4086691963393.449 }, "end": { "local": "2099-07-02T13:00:43-04:00", "utc": "2099-07-02T17:00:43Z", "ms": 4086694843393.449 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:38 on Wed 1 Jul to 10:23 on Thu 2 Jul.", "fact": "2099-07-01T14:38:28Z → 2099-07-02T14:23:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 1st, 12:13–13:01 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5644 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Valencia, 2099: Wednesday 1 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": "2099-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-01", "confidence": "determinate" } ], "quote": "In Valencia, Guru Pūrṇimā 2099 falls on Wednesday 1 July. Pūrṇimā runs from 10:38 on Wed 1 Jul to 10:23 on Thu 2 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20800, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-07-01T10:38:28-04:00", "utc": "2099-07-01T14:38:28Z", "ms": 4086599908489.3726 }, "end": { "local": "2099-07-02T10:23:07-04:00", "utc": "2099-07-02T14:23:07Z", "ms": 4086685387148.848 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-07-01T10:38:28-04:00", "utc": "2099-07-01T14:38:28Z", "ms": 4086599908489.3726 }, "end": { "local": "2099-07-02T10:23:07-04:00", "utc": "2099-07-02T14:23:07Z", "ms": 4086685387148.848 } }, "kaala": "sayahna", "days": [ { "local_date": "2099-07-01", "window": { "start": { "local": "2099-07-01T16:25:08-04:00", "utc": "2099-07-01T20:25:08Z", "ms": 4086620708114.2734 }, "end": { "local": "2099-07-01T18:57:32-04:00", "utc": "2099-07-01T22:57:32Z", "ms": 4086629851969.673 } }, "covered_min": 152, "window_min": 152, "qualifies": true }, { "local_date": "2099-07-02", "window": { "start": { "local": "2099-07-02T16:25:17-04:00", "utc": "2099-07-02T20:25:17Z", "ms": 4086707116724.415 }, "end": { "local": "2099-07-02T18:57:39-04:00", "utc": "2099-07-02T22:57:39Z", "ms": 4086716258945.059 } }, "covered_min": 0, "window_min": 152, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:38 on Wed 1 Jul to 10:23 on Thu 2 Jul.", "fact": "2099-07-01T14:38:28Z → 2099-07-02T14:23:07Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:25–18:58 on the 1st, 16:25–18:58 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 152 of 152 minutes on the 1st and 0 of 152 on the 2nd.", "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 20800 s" }, { "step": "ruling", "text": "Kokilā Vrata, Valencia, 2099: Wednesday 1 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": "2099-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-01", "confidence": "determinate" } ], "quote": "In Valencia, Kokilā Vrata 2099 falls on Wednesday 1 July. Pūrṇimā runs from 10:38 on Wed 1 Jul to 10:23 on Thu 2 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29943, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-07-01T10:38:28-04:00", "utc": "2099-07-01T14:38:28Z", "ms": 4086599908489.3726 }, "end": { "local": "2099-07-02T10:23:07-04:00", "utc": "2099-07-02T14:23:07Z", "ms": 4086685387148.848 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-07-01T10:38:28-04:00", "utc": "2099-07-01T14:38:28Z", "ms": 4086599908489.3726 }, "end": { "local": "2099-07-02T10:23:07-04:00", "utc": "2099-07-02T14:23:07Z", "ms": 4086685387148.848 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-07-01", "window": { "start": { "local": "2099-07-01T18:57:32-04:00", "utc": "2099-07-01T22:57:32Z", "ms": 4086629851969.673 }, "end": { "local": "2099-07-01T20:27:58-04:00", "utc": "2099-07-02T00:27:58Z", "ms": 4086635278085.9614 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2099-07-02", "window": { "start": { "local": "2099-07-02T18:57:39-04:00", "utc": "2099-07-02T22:57:39Z", "ms": 4086716258945.059 }, "end": { "local": "2099-07-02T20:28:06-04:00", "utc": "2099-07-03T00:28:06Z", "ms": 4086721686157.773 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:38 on Wed 1 Jul to 10:23 on Thu 2 Jul.", "fact": "2099-07-01T14:38:28Z → 2099-07-02T14:23:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:28 on the 1st, 18:58–20:28 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 90 of 90 minutes on the 1st and 0 of 90 on the 2nd.", "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 29943 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Valencia, 2099: Wednesday 1 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": "2099-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-01", "confidence": "determinate" } ], "quote": "In Valencia, Śiva Śayanotsava 2099 falls on Wednesday 1 July. Pūrṇimā runs from 10:38 on Wed 1 Jul to 10:23 on Thu 2 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5697, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-07-01T10:38:28-04:00", "utc": "2099-07-01T14:38:28Z", "ms": 4086599908489.3726 }, "end": { "local": "2099-07-02T10:23:07-04:00", "utc": "2099-07-02T14:23:07Z", "ms": 4086685387148.848 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2099-07-01T10:38:28-04:00", "utc": "2099-07-01T14:38:28Z", "ms": 4086599908489.3726 }, "end": { "local": "2099-07-02T10:23:07-04:00", "utc": "2099-07-02T14:23:07Z", "ms": 4086685387148.848 } }, "kaala": "udaya-3", "days": [ { "local_date": "2099-07-01", "window": { "start": { "local": "2099-07-01T06:15:33-04:00", "utc": "2099-07-01T10:15:33Z", "ms": 4086584132692.677 }, "end": { "local": "2099-07-01T08:47:57-04:00", "utc": "2099-07-01T12:47:57Z", "ms": 4086593276548.076 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "2099-07-02", "window": { "start": { "local": "2099-07-02T06:15:48-04:00", "utc": "2099-07-02T10:15:48Z", "ms": 4086670547841.839 }, "end": { "local": "2099-07-02T08:48:10-04:00", "utc": "2099-07-02T12:48:10Z", "ms": 4086679690062.483 } }, "covered_min": 152, "window_min": 152, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:38 on Wed 1 Jul to 10:23 on Thu 2 Jul.", "fact": "2099-07-01T14:38:28Z → 2099-07-02T14:23:07Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:16–08:48 on the 1st, 06:16–08:48 on the 2nd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 152 minutes on the 1st and 152 of 152 on the 2nd.", "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 5697 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Valencia, 2099: Thursday 2 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": "2099-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-02", "confidence": "determinate" } ], "quote": "In Valencia, Vyāsa Pūjā 2099 falls on Thursday 2 July. Pūrṇimā runs from 10:38 on Wed 1 Jul to 10:23 on Thu 2 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34268, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2099-07-03T10:38:19-04:00", "utc": "2099-07-03T14:38:19Z", "ms": 4086772699406.589 }, "end": { "local": "2099-07-04T11:27:09-04:00", "utc": "2099-07-04T15:27:09Z", "ms": 4086862028877.0967 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-07-03T10:38:19-04:00", "utc": "2099-07-03T14:38:19Z", "ms": 4086772699406.589 }, "end": { "local": "2099-07-04T11:27:09-04:00", "utc": "2099-07-04T15:27:09Z", "ms": 4086862028877.0967 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-07-03", "window": { "start": { "local": "2099-07-03T20:12:32-04:00", "utc": "2099-07-04T00:12:32Z", "ms": 4086807151737.937 }, "end": { "local": "2099-07-03T20:12:32-04:00", "utc": "2099-07-04T00:12:32Z", "ms": 4086807151737.937 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-07-04", "window": { "start": { "local": "2099-07-04T20:58:16-04:00", "utc": "2099-07-05T00:58:16Z", "ms": 4086896296390.9087 }, "end": { "local": "2099-07-04T20:58:16-04:00", "utc": "2099-07-05T00:58:16Z", "ms": 4086896296390.9087 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:38 on Fri 3 Jul to 11:27 on Sat 4 Jul.", "fact": "2099-07-03T14:38:19Z → 2099-07-04T15:27:09Z" }, { "step": "kaala", "text": "Moonrise is at 20:13 on the 3rd and 20:58 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 3rd and is not on the 4th.", "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 34268 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Valencia, 2099: Friday 3 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": "2099-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-03", "confidence": "determinate" } ], "quote": "In Valencia, Aśūnya Śayana Vrata (Āṣāḍha) 2099 falls on Friday 3 July. Dvitīyā runs from 10:38 on Fri 3 Jul to 11:27 on Sat 4 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-07-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27156, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-07-05T12:50:15-04:00", "utc": "2099-07-05T16:50:15Z", "ms": 4086953415380.343 }, "end": { "local": "2099-07-06T14:44:48-04:00", "utc": "2099-07-06T18:44:48Z", "ms": 4087046688420.044 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-07-05T12:50:15-04:00", "utc": "2099-07-05T16:50:15Z", "ms": 4086953415380.343 }, "end": { "local": "2099-07-06T14:44:48-04:00", "utc": "2099-07-06T18:44:48Z", "ms": 4087046688420.044 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-07-05", "window": { "start": { "local": "2099-07-05T21:39:33-04:00", "utc": "2099-07-06T01:39:33Z", "ms": 4086985173484.053 }, "end": { "local": "2099-07-05T21:39:33-04:00", "utc": "2099-07-06T01:39:33Z", "ms": 4086985173484.053 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-07-06", "window": { "start": { "local": "2099-07-06T22:17:24-04:00", "utc": "2099-07-07T02:17:24Z", "ms": 4087073844263.496 }, "end": { "local": "2099-07-06T22:17:24-04:00", "utc": "2099-07-07T02:17:24Z", "ms": 4087073844263.496 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:50 on Sun 5 Jul to 14:45 on Mon 6 Jul.", "fact": "2099-07-05T16:50:15Z → 2099-07-06T18:44:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:40 on the 5th and 22:17 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27156 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Sunday 5 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": "2099-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-05", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Sunday 5 July. Caturthī runs from 12:50 on Sun 5 Jul to 14:45 on Mon 6 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ekadashi?on=2099-07-13", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10992, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-07-13T03:01:59-04:00", "utc": "2099-07-13T07:01:59Z", "ms": 4087609318664.0186 }, "end": { "local": "2099-07-14T03:15:36-04:00", "utc": "2099-07-14T07:15:36Z", "ms": 4087696536274.415 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-07-13T03:01:59-04:00", "utc": "2099-07-13T07:01:59Z", "ms": 4087609318664.0186 }, "end": { "local": "2099-07-14T03:15:36-04:00", "utc": "2099-07-14T07:15:36Z", "ms": 4087696536274.415 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-07-13", "window": { "start": { "local": "2099-07-13T06:18:33-04:00", "utc": "2099-07-13T10:18:33Z", "ms": 4087621113426.706 }, "end": { "local": "2099-07-13T06:18:33-04:00", "utc": "2099-07-13T10:18:33Z", "ms": 4087621113426.706 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-07-14", "window": { "start": { "local": "2099-07-14T06:18:48-04:00", "utc": "2099-07-14T10:18:48Z", "ms": 4087707527867.206 }, "end": { "local": "2099-07-14T06:18:48-04:00", "utc": "2099-07-14T10:18:48Z", "ms": 4087707527867.206 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:02 on Mon 13 Jul to 03:16 on Tue 14 Jul.", "fact": "2099-07-13T07:01:59Z → 2099-07-14T07:15:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 13th and 06:19 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10992 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Valencia, 2099: Monday 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": "2099-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-13", "confidence": "determinate" } ], "quote": "In Valencia, Kāmikā Ekādaśī 2099 falls on Monday 13 July. Ekādaśī runs from 03:02 on Mon 13 Jul to 03:16 on Tue 14 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-07-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-07-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17678, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-07-15T02:41:37-04:00", "utc": "2099-07-15T06:41:37Z", "ms": 4087780897455.0024 }, "end": { "local": "2099-07-16T01:23:33-04:00", "utc": "2099-07-16T05:23:33Z", "ms": 4087862613409.9077 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-07-15T02:41:37-04:00", "utc": "2099-07-15T06:41:37Z", "ms": 4087780897455.0024 }, "end": { "local": "2099-07-16T01:23:33-04:00", "utc": "2099-07-16T05:23:33Z", "ms": 4087862613409.9077 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-07-14", "window": { "start": { "local": "2099-07-14T18:58:09-04:00", "utc": "2099-07-14T22:58:09Z", "ms": 4087753088571.0146 }, "end": { "local": "2099-07-14T20:28:56-04:00", "utc": "2099-07-15T00:28:56Z", "ms": 4087758535710.558 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2099-07-15", "window": { "start": { "local": "2099-07-15T18:58:06-04:00", "utc": "2099-07-15T22:58:06Z", "ms": 4087839486176.724 }, "end": { "local": "2099-07-15T20:28:56-04:00", "utc": "2099-07-16T00:28:56Z", "ms": 4087844935507.379 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:42 on Wed 15 Jul to 01:24 on Thu 16 Jul.", "fact": "2099-07-15T06:41:37Z → 2099-07-16T05:23:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:29 on the 14th, 18:58–20:29 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 91 minutes on the 14th and 91 of 91 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 17678 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Wednesday 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": "2099-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-15", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Wednesday 15 July. Trayodaśī runs from 02:42 on Wed 15 Jul to 01:24 on Thu 16 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-07-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-15", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1252, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-07-16T01:23:33-04:00", "utc": "2099-07-16T05:23:33Z", "ms": 4087862613409.9077 }, "end": { "local": "2099-07-16T23:27:53-04:00", "utc": "2099-07-17T03:27:53Z", "ms": 4087942072805.117 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-07-16T01:23:33-04:00", "utc": "2099-07-16T05:23:33Z", "ms": 4087862613409.9077 }, "end": { "local": "2099-07-16T23:27:53-04:00", "utc": "2099-07-17T03:27:53Z", "ms": 4087942072805.117 } }, "kaala": "nishita", "days": [ { "local_date": "2099-07-15", "window": { "start": { "local": "2099-07-16T00:14:41-04:00", "utc": "2099-07-16T04:14:41Z", "ms": 4087858481166.68 }, "end": { "local": "2099-07-16T01:02:41-04:00", "utc": "2099-07-16T05:02:41Z", "ms": 4087861361166.68 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-07-16", "window": { "start": { "local": "2099-07-17T00:14:46-04:00", "utc": "2099-07-17T04:14:46Z", "ms": 4087944886473.0303 }, "end": { "local": "2099-07-17T01:02:46-04:00", "utc": "2099-07-17T05:02:46Z", "ms": 4087947766473.0303 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:24 on Thu 16 Jul to 23:28 on Thu 16 Jul.", "fact": "2099-07-16T05:23:33Z → 2099-07-17T03:27:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:15–01:03 on the 15th, 00:15–01:03 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1252 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Wednesday 15 July.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-07-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-15", "confidence": "boundary" } ], "quote": "In Valencia, Śivarātri 2099 falls on Wednesday 15 July. Caturdaśī runs from 01:24 on Thu 16 Jul to 23:28 on Thu 16 Jul, and reaches niśītha on neither day.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-07-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 407, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-07-20T12:21:43-04:00", "utc": "2099-07-20T16:21:43Z", "ms": 4088247702515.6514 }, "end": { "local": "2099-07-21T09:27:13-04:00", "utc": "2099-07-21T13:27:13Z", "ms": 4088323633234.3184 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-07-20T12:21:43-04:00", "utc": "2099-07-20T16:21:43Z", "ms": 4088247702515.6514 }, "end": { "local": "2099-07-21T09:27:13-04:00", "utc": "2099-07-21T13:27:13Z", "ms": 4088323633234.3184 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-07-20", "window": { "start": { "local": "2099-07-20T12:14:56-04:00", "utc": "2099-07-20T16:14:56Z", "ms": 4088247295888.3545 }, "end": { "local": "2099-07-20T13:02:56-04:00", "utc": "2099-07-20T17:02:56Z", "ms": 4088250175888.3545 } }, "covered_min": 41, "window_min": 48, "qualifies": true }, { "local_date": "2099-07-21", "window": { "start": { "local": "2099-07-21T12:14:59-04:00", "utc": "2099-07-21T16:14:59Z", "ms": 4088333698549.4863 }, "end": { "local": "2099-07-21T13:02:59-04:00", "utc": "2099-07-21T17:02:59Z", "ms": 4088336578549.4863 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:22 on Mon 20 Jul to 09:27 on Tue 21 Jul.", "fact": "2099-07-20T16:21:43Z → 2099-07-21T13:27:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 20th, 12:15–13:03 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 41 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 407 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Monday 20 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": "2099-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-20", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Monday 20 July. Caturthī runs from 12:22 on Mon 20 Jul to 09:27 on Tue 21 Jul and covers 41 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-07-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ekadashi?on=2099-07-27", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30392, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-07-26T21:54:59-04:00", "utc": "2099-07-27T01:54:59Z", "ms": 4088800498633.4756 }, "end": { "local": "2099-07-27T21:17:18-04:00", "utc": "2099-07-28T01:17:18Z", "ms": 4088884637961.7915 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-07-26T21:54:59-04:00", "utc": "2099-07-27T01:54:59Z", "ms": 4088800498633.4756 }, "end": { "local": "2099-07-27T21:17:18-04:00", "utc": "2099-07-28T01:17:18Z", "ms": 4088884637961.7915 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-07-27", "window": { "start": { "local": "2099-07-27T06:21:31-04:00", "utc": "2099-07-27T10:21:31Z", "ms": 4088830890911.349 }, "end": { "local": "2099-07-27T06:21:31-04:00", "utc": "2099-07-27T10:21:31Z", "ms": 4088830890911.349 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-07-28", "window": { "start": { "local": "2099-07-28T06:21:41-04:00", "utc": "2099-07-28T10:21:41Z", "ms": 4088917300977.9673 }, "end": { "local": "2099-07-28T06:21:41-04:00", "utc": "2099-07-28T10:21:41Z", "ms": 4088917300977.9673 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:55 on Sun 26 Jul to 21:17 on Mon 27 Jul.", "fact": "2099-07-27T01:54:59Z → 2099-07-28T01:17:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 27th and 06:22 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30392 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Valencia, 2099: Monday 27 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": "2099-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-27", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Ekādaśī 2099 falls on Monday 27 July. Ekādaśī runs from 21:55 on Sun 26 Jul to 21:17 on Mon 27 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-07-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-07-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2179, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-07-28T21:04:02-04:00", "utc": "2099-07-29T01:04:02Z", "ms": 4088970242170.179 }, "end": { "local": "2099-07-29T21:16:15-04:00", "utc": "2099-07-30T01:16:15Z", "ms": 4089057375185.2144 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-07-28T21:04:02-04:00", "utc": "2099-07-29T01:04:02Z", "ms": 4088970242170.179 }, "end": { "local": "2099-07-29T21:16:15-04:00", "utc": "2099-07-30T01:16:15Z", "ms": 4089057375185.2144 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-07-28", "window": { "start": { "local": "2099-07-28T18:56:19-04:00", "utc": "2099-07-28T22:56:19Z", "ms": 4088962579448.397 }, "end": { "local": "2099-07-28T20:27:44-04:00", "utc": "2099-07-29T00:27:44Z", "ms": 4088968063607.4746 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2099-07-29", "window": { "start": { "local": "2099-07-29T18:56:05-04:00", "utc": "2099-07-29T22:56:05Z", "ms": 4089048965329.7197 }, "end": { "local": "2099-07-29T20:27:33-04:00", "utc": "2099-07-30T00:27:33Z", "ms": 4089054452605.5063 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:04 on Tue 28 Jul to 21:16 on Wed 29 Jul.", "fact": "2099-07-29T01:04:02Z → 2099-07-30T01:16:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:28 on the 28th, 18:56–20:28 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 91 minutes on the 28th and 91 of 91 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 2179 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Wednesday 29 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": "2099-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-07-29", "confidence": "boundary" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Wednesday 29 July. Trayodaśī runs from 21:04 on Tue 28 Jul to 21:16 on Wed 29 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-08-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29047, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-08-04T04:55:48-04:00", "utc": "2099-08-04T08:55:48Z", "ms": 4089516947637.8896 }, "end": { "local": "2099-08-05T07:29:16-04:00", "utc": "2099-08-05T11:29:16Z", "ms": 4089612556442.7666 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-04T04:55:48-04:00", "utc": "2099-08-04T08:55:48Z", "ms": 4089516947637.8896 }, "end": { "local": "2099-08-05T07:29:16-04:00", "utc": "2099-08-05T11:29:16Z", "ms": 4089612556442.7666 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-08-03", "window": { "start": { "local": "2099-08-03T20:51:40-04:00", "utc": "2099-08-04T00:51:40Z", "ms": 4089487900351.0396 }, "end": { "local": "2099-08-03T20:51:40-04:00", "utc": "2099-08-04T00:51:40Z", "ms": 4089487900351.0396 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-08-04", "window": { "start": { "local": "2099-08-04T21:26:27-04:00", "utc": "2099-08-05T01:26:27Z", "ms": 4089576386768.8955 }, "end": { "local": "2099-08-04T21:26:27-04:00", "utc": "2099-08-05T01:26:27Z", "ms": 4089576386768.8955 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:56 on Tue 4 Aug to 07:29 on Wed 5 Aug.", "fact": "2099-08-04T08:55:48Z → 2099-08-05T11:29:16Z" }, { "step": "kaala", "text": "Moonrise is at 20:52 on the 3rd and 21:26 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.", "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 29047 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Tuesday 4 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": "2099-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-04", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Tuesday 4 August. Caturthī runs from 04:56 on Tue 4 Aug to 07:29 on Wed 5 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-08-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ekadashi?on=2099-08-12", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32138, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-08-11T16:19:34-04:00", "utc": "2099-08-11T20:19:34Z", "ms": 4090162774178.813 }, "end": { "local": "2099-08-12T15:19:01-04:00", "utc": "2099-08-12T19:19:01Z", "ms": 4090245540966.511 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-11T16:19:34-04:00", "utc": "2099-08-11T20:19:34Z", "ms": 4090162774178.813 }, "end": { "local": "2099-08-12T15:19:01-04:00", "utc": "2099-08-12T19:19:01Z", "ms": 4090245540966.511 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-08-11", "window": { "start": { "local": "2099-08-11T06:23:19-04:00", "utc": "2099-08-11T10:23:19Z", "ms": 4090126998899.4775 }, "end": { "local": "2099-08-11T06:23:19-04:00", "utc": "2099-08-11T10:23:19Z", "ms": 4090126998899.4775 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-08-12", "window": { "start": { "local": "2099-08-12T06:23:23-04:00", "utc": "2099-08-12T10:23:23Z", "ms": 4090213402831.619 }, "end": { "local": "2099-08-12T06:23:23-04:00", "utc": "2099-08-12T10:23:23Z", "ms": 4090213402831.619 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:20 on Tue 11 Aug to 15:19 on Wed 12 Aug.", "fact": "2099-08-11T20:19:34Z → 2099-08-12T19:19:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 11th and 06:23 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 32138 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Valencia, 2099: Wednesday 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": "2099-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-12", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Ekādaśī 2099 falls on Wednesday 12 August. Ekādaśī runs from 16:20 on Tue 11 Aug to 15:19 on Wed 12 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-08-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-08-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19081, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-08-13T13:32:59-04:00", "utc": "2099-08-13T17:32:59Z", "ms": 4090325578834.2686 }, "end": { "local": "2099-08-14T11:08:07-04:00", "utc": "2099-08-14T15:08:07Z", "ms": 4090403286568.8633 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-13T13:32:59-04:00", "utc": "2099-08-13T17:32:59Z", "ms": 4090325578834.2686 }, "end": { "local": "2099-08-14T11:08:07-04:00", "utc": "2099-08-14T15:08:07Z", "ms": 4090403286568.8633 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-08-13", "window": { "start": { "local": "2099-08-13T18:51:00-04:00", "utc": "2099-08-13T22:51:00Z", "ms": 4090344660186.178 }, "end": { "local": "2099-08-13T20:23:20-04:00", "utc": "2099-08-14T00:23:20Z", "ms": 4090350200093.8 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2099-08-14", "window": { "start": { "local": "2099-08-14T18:50:34-04:00", "utc": "2099-08-14T22:50:34Z", "ms": 4090431034117.4277 }, "end": { "local": "2099-08-14T20:22:58-04:00", "utc": "2099-08-15T00:22:58Z", "ms": 4090436577865.006 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:33 on Thu 13 Aug to 11:08 on Fri 14 Aug.", "fact": "2099-08-13T17:32:59Z → 2099-08-14T15:08:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:23 on the 13th, 18:51–20:23 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 92 of 92 minutes on the 13th and 0 of 92 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 19081 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Thursday 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": "2099-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-13", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Thursday 13 August. Trayodaśī runs from 13:33 on Thu 13 Aug to 11:08 on Fri 14 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-08-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25908, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-08-14T11:08:07-04:00", "utc": "2099-08-14T15:08:07Z", "ms": 4090403286568.8633 }, "end": { "local": "2099-08-15T08:12:51-04:00", "utc": "2099-08-15T12:12:51Z", "ms": 4090479170892.37 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-14T11:08:07-04:00", "utc": "2099-08-14T15:08:07Z", "ms": 4090403286568.8633 }, "end": { "local": "2099-08-15T08:12:51-04:00", "utc": "2099-08-15T12:12:51Z", "ms": 4090479170892.37 } }, "kaala": "nishita", "days": [ { "local_date": "2099-08-13", "window": { "start": { "local": "2099-08-14T00:13:15-04:00", "utc": "2099-08-14T04:13:15Z", "ms": 4090363994839.7593 }, "end": { "local": "2099-08-14T01:01:15-04:00", "utc": "2099-08-14T05:01:15Z", "ms": 4090366874839.7593 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-08-14", "window": { "start": { "local": "2099-08-15T00:13:03-04:00", "utc": "2099-08-15T04:13:03Z", "ms": 4090450383170.846 }, "end": { "local": "2099-08-15T01:01:03-04:00", "utc": "2099-08-15T05:01:03Z", "ms": 4090453263170.846 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:08 on Fri 14 Aug to 08:13 on Sat 15 Aug.", "fact": "2099-08-14T15:08:07Z → 2099-08-15T12:12:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 13th, 00:13–01:01 on the 14th.", "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 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25908 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Friday 14 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": "2099-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-14", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 2099 falls on Friday 14 August. Caturdaśī runs from 11:08 on Fri 14 Aug to 08:13 on Sat 15 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20234, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2099-08-17T21:59:39-04:00", "utc": "2099-08-18T01:59:39Z", "ms": 4090701579498.4224 }, "end": { "local": "2099-08-18T18:37:25-04:00", "utc": "2099-08-18T22:37:25Z", "ms": 4090775845004.583 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-17T21:59:39-04:00", "utc": "2099-08-18T01:59:39Z", "ms": 4090701579498.4224 }, "end": { "local": "2099-08-18T18:37:25-04:00", "utc": "2099-08-18T22:37:25Z", "ms": 4090775845004.583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-08-17", "window": { "start": { "local": "2099-08-17T12:12:24-04:00", "utc": "2099-08-17T16:12:24Z", "ms": 4090666344262.2246 }, "end": { "local": "2099-08-17T13:00:24-04:00", "utc": "2099-08-17T17:00:24Z", "ms": 4090669224262.2246 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-08-18", "window": { "start": { "local": "2099-08-18T12:12:11-04:00", "utc": "2099-08-18T16:12:11Z", "ms": 4090752730720.499 }, "end": { "local": "2099-08-18T13:00:11-04:00", "utc": "2099-08-18T17:00:11Z", "ms": 4090755610720.499 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:00 on Mon 17 Aug to 18:37 on Tue 18 Aug.", "fact": "2099-08-18T01:59:39Z → 2099-08-18T22:37:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 17th, 12:12–13:00 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20234 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Valencia, 2099: Tuesday 18 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": "2099-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-18", "confidence": "determinate" } ], "quote": "In Valencia, Madhusravā Tṛtīyā (Hariyali Teej) 2099 falls on Tuesday 18 August. Tṛtīyā runs from 22:00 on Mon 17 Aug to 18:37 on Tue 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-08-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9026, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-08-18T18:37:25-04:00", "utc": "2099-08-18T22:37:25Z", "ms": 4090775845004.583 }, "end": { "local": "2099-08-19T15:30:23-04:00", "utc": "2099-08-19T19:30:23Z", "ms": 4090851022830.1724 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-18T18:37:25-04:00", "utc": "2099-08-18T22:37:25Z", "ms": 4090775845004.583 }, "end": { "local": "2099-08-19T15:30:23-04:00", "utc": "2099-08-19T19:30:23Z", "ms": 4090851022830.1724 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-08-18", "window": { "start": { "local": "2099-08-18T12:12:11-04:00", "utc": "2099-08-18T16:12:11Z", "ms": 4090752730720.499 }, "end": { "local": "2099-08-18T13:00:11-04:00", "utc": "2099-08-18T17:00:11Z", "ms": 4090755610720.499 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-08-19", "window": { "start": { "local": "2099-08-19T12:11:57-04:00", "utc": "2099-08-19T16:11:57Z", "ms": 4090839116676.0273 }, "end": { "local": "2099-08-19T12:59:57-04:00", "utc": "2099-08-19T16:59:57Z", "ms": 4090841996676.0273 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:37 on Tue 18 Aug to 15:30 on Wed 19 Aug.", "fact": "2099-08-18T22:37:25Z → 2099-08-19T19:30:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 18th, 12:12–13:00 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9026 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Wednesday 19 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": "2099-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-19", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Wednesday 19 August. Caturthī runs from 18:37 on Tue 18 Aug to 15:30 on Wed 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-08-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 852, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2099-08-19T15:30:23-04:00", "utc": "2099-08-19T19:30:23Z", "ms": 4090851022830.1724 }, "end": { "local": "2099-08-20T12:45:30-04:00", "utc": "2099-08-20T16:45:30Z", "ms": 4090927529859.816 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-19T15:30:23-04:00", "utc": "2099-08-19T19:30:23Z", "ms": 4090851022830.1724 }, "end": { "local": "2099-08-20T12:45:30-04:00", "utc": "2099-08-20T16:45:30Z", "ms": 4090927529859.816 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-08-19", "window": { "start": { "local": "2099-08-19T12:11:57-04:00", "utc": "2099-08-19T16:11:57Z", "ms": 4090839116676.0273 }, "end": { "local": "2099-08-19T12:59:57-04:00", "utc": "2099-08-19T16:59:57Z", "ms": 4090841996676.0273 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-08-20", "window": { "start": { "local": "2099-08-20T12:11:42-04:00", "utc": "2099-08-20T16:11:42Z", "ms": 4090925502138.116 }, "end": { "local": "2099-08-20T12:59:42-04:00", "utc": "2099-08-20T16:59:42Z", "ms": 4090928382138.116 } }, "covered_min": 34, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:30 on Wed 19 Aug to 12:45 on Thu 20 Aug.", "fact": "2099-08-19T19:30:23Z → 2099-08-20T16:45:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 19th, 12:12–13:00 on the 20th.", "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 19th and 34 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 852 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Valencia, 2099: Thursday 20 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": "2099-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-20", "confidence": "determinate" } ], "quote": "In Valencia, Nāga Pañcamī 2099 falls on Thursday 20 August. Pañcamī runs from 15:30 on Wed 19 Aug to 12:45 on Thu 20 Aug and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-08-26", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1805, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-08-25T06:53:43-04:00", "utc": "2099-08-25T10:53:43Z", "ms": 4091338422683.887 }, "end": { "local": "2099-08-26T07:24:32-04:00", "utc": "2099-08-26T11:24:32Z", "ms": 4091426672294.8237 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-25T06:53:43-04:00", "utc": "2099-08-25T10:53:43Z", "ms": 4091338422683.887 }, "end": { "local": "2099-08-26T07:24:32-04:00", "utc": "2099-08-26T11:24:32Z", "ms": 4091426672294.8237 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-08-25", "window": { "start": { "local": "2099-08-25T06:23:38-04:00", "utc": "2099-08-25T10:23:38Z", "ms": 4091336618008.0864 }, "end": { "local": "2099-08-25T06:23:38-04:00", "utc": "2099-08-25T10:23:38Z", "ms": 4091336618008.0864 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-08-26", "window": { "start": { "local": "2099-08-26T06:23:37-04:00", "utc": "2099-08-26T10:23:37Z", "ms": 4091423016575.6353 }, "end": { "local": "2099-08-26T06:23:37-04:00", "utc": "2099-08-26T10:23:37Z", "ms": 4091423016575.6353 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:54 on Tue 25 Aug to 07:25 on Wed 26 Aug.", "fact": "2099-08-25T10:53:43Z → 2099-08-26T11:24:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 25th and 06:24 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1805 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Valencia, 2099: Wednesday 26 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": "2099-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-26", "confidence": "determinate" } ], "quote": "In Valencia, Putradā Ekādaśī 2099 falls on Wednesday 26 August. Ekādaśī runs from 06:54 on Tue 25 Aug to 07:25 on Wed 26 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-08-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13453, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2099-08-26T07:24:32-04:00", "utc": "2099-08-26T11:24:32Z", "ms": 4091426672294.8237 }, "end": { "local": "2099-08-27T08:25:34-04:00", "utc": "2099-08-27T12:25:34Z", "ms": 4091516734413.901 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-26T07:24:32-04:00", "utc": "2099-08-26T11:24:32Z", "ms": 4091426672294.8237 }, "end": { "local": "2099-08-27T08:25:34-04:00", "utc": "2099-08-27T12:25:34Z", "ms": 4091516734413.901 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-08-26", "window": { "start": { "local": "2099-08-26T12:10:05-04:00", "utc": "2099-08-26T16:10:05Z", "ms": 4091443805232.5366 }, "end": { "local": "2099-08-26T12:58:05-04:00", "utc": "2099-08-26T16:58:05Z", "ms": 4091446685232.5366 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-08-27", "window": { "start": { "local": "2099-08-27T12:09:48-04:00", "utc": "2099-08-27T16:09:48Z", "ms": 4091530187609.701 }, "end": { "local": "2099-08-27T12:57:48-04:00", "utc": "2099-08-27T16:57:48Z", "ms": 4091533067609.701 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:25 on Wed 26 Aug to 08:26 on Thu 27 Aug.", "fact": "2099-08-26T11:24:32Z → 2099-08-27T12:25:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 26th, 12:10–12:58 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13453 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Valencia, 2099: Wednesday 26 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": "2099-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-26", "confidence": "determinate" } ], "quote": "In Valencia, Dāmodara Dvādaśī 2099 falls on Wednesday 26 August. Dvādaśī runs from 07:25 on Wed 26 Aug to 08:26 on Thu 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/pradosha-vrata?on=2099-08-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31776, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-08-27T08:25:34-04:00", "utc": "2099-08-27T12:25:34Z", "ms": 4091516734413.901 }, "end": { "local": "2099-08-28T09:53:50-04:00", "utc": "2099-08-28T13:53:50Z", "ms": 4091608430335.8486 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-27T08:25:34-04:00", "utc": "2099-08-27T12:25:34Z", "ms": 4091516734413.901 }, "end": { "local": "2099-08-28T09:53:50-04:00", "utc": "2099-08-28T13:53:50Z", "ms": 4091608430335.8486 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-08-27", "window": { "start": { "local": "2099-08-27T18:44:00-04:00", "utc": "2099-08-27T22:44:00Z", "ms": 4091553840397.7363 }, "end": { "local": "2099-08-27T20:17:17-04:00", "utc": "2099-08-28T00:17:17Z", "ms": 4091559436712.833 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2099-08-28", "window": { "start": { "local": "2099-08-28T18:43:26-04:00", "utc": "2099-08-28T22:43:26Z", "ms": 4091640206463.312 }, "end": { "local": "2099-08-28T20:16:47-04:00", "utc": "2099-08-29T00:16:47Z", "ms": 4091645806989.379 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:26 on Thu 27 Aug to 09:54 on Fri 28 Aug.", "fact": "2099-08-27T12:25:34Z → 2099-08-28T13:53:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:17 on the 27th, 18:43–20:17 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 93 of 93 minutes on the 27th and 0 of 93 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 31776 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Thursday 27 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": "2099-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-27", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Thursday 27 August. Trayodaśī runs from 08:26 on Thu 27 Aug to 09:54 on Fri 28 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1396, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-08-29T11:45:55-04:00", "utc": "2099-08-29T15:45:55Z", "ms": 4091701555316.2314 }, "end": { "local": "2099-08-30T13:57:50-04:00", "utc": "2099-08-30T17:57:50Z", "ms": 4091795870283.934 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2099-08-29T11:45:55-04:00", "utc": "2099-08-29T15:45:55Z", "ms": 4091701555316.2314 }, "end": { "local": "2099-08-30T13:57:50-04:00", "utc": "2099-08-30T17:57:50Z", "ms": 4091795870283.934 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-08-29", "window": { "start": { "local": "2099-08-29T12:09:11-04:00", "utc": "2099-08-29T16:09:11Z", "ms": 4091702951258.462 }, "end": { "local": "2099-08-29T12:57:11-04:00", "utc": "2099-08-29T16:57:11Z", "ms": 4091705831258.462 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-08-30", "window": { "start": { "local": "2099-08-30T12:08:53-04:00", "utc": "2099-08-30T16:08:53Z", "ms": 4091789332567.7188 }, "end": { "local": "2099-08-30T12:56:53-04:00", "utc": "2099-08-30T16:56:53Z", "ms": 4091792212567.7188 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:46 on Sat 29 Aug to 13:58 on Sun 30 Aug.", "fact": "2099-08-29T15:45:55Z → 2099-08-30T17:57:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 29th, 12:09–12:57 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "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 1396 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Valencia, 2099: Saturday 29 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2099-08-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-30", "confidence": "boundary" } ], "quote": "In Valencia, Ṛṣi Tarpaṇa 2099 falls on Saturday 29 August. Pūrṇimā runs from 11:46 on Sat 29 Aug to 13:58 on Sun 30 Aug 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/valencia/festivals/2099/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": "/valencia/festivals/2099/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-30", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 20027, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-08-29T11:45:55-04:00", "utc": "2099-08-29T15:45:55Z", "ms": 4091701555316.2314 }, "end": { "local": "2099-08-30T13:57:50-04:00", "utc": "2099-08-30T17:57:50Z", "ms": 4091795870283.934 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2099-08-30T00:49:41-04:00", "utc": "2099-08-30T04:49:41Z", "ms": 4091748580807.486 }, "end": { "local": "2099-08-30T13:57:50-04:00", "utc": "2099-08-30T17:57:50Z", "ms": 4091795870283.934 } }, "kaala": "day", "days": [ { "local_date": "2099-08-29", "window": { "start": { "local": "2099-08-29T06:23:30-04:00", "utc": "2099-08-29T10:23:30Z", "ms": 4091682210408.815 }, "end": { "local": "2099-08-30T06:23:28-04:00", "utc": "2099-08-30T10:23:28Z", "ms": 4091768607781.093 } }, "covered_min": 334, "window_min": 1440, "qualifies": true }, { "local_date": "2099-08-30", "window": { "start": { "local": "2099-08-30T06:23:28-04:00", "utc": "2099-08-30T10:23:28Z", "ms": 4091768607781.093 }, "end": { "local": "2099-08-31T06:23:25-04:00", "utc": "2099-08-31T10:23:25Z", "ms": 4091855004894.1123 } }, "covered_min": 454, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:46 on Sat 29 Aug to 13:58 on Sun 30 Aug. Its second half begins at 00:50 on Sun 30 Aug.", "fact": "2099-08-29T15:45:55Z → 2099-08-30T17:57:50Z · second half from 2099-08-30T04:49:41Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:24 on the 29th, and from 06:23 on the 30th.", "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 334 of 1440 minutes on the 29th and 454 of 1440 on the 30th.", "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 20027 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Valencia, 2099: Sunday 30 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": "2099-08-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-30", "confidence": "boundary" } ], "quote": "In Valencia, Rakṣā Bandhana (Rakhi) 2099 falls on Sunday 30 August. The second half of Pūrṇimā runs from 00:50 on Sun 30 Aug to 13:58 on Sun 30 Aug and falls on two days: 454 minutes of it on the 30th, 334 on the 29th; 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/valencia/festivals/2099/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": "/valencia/festivals/2099/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3645, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2099-08-31T16:24:43-04:00", "utc": "2099-08-31T20:24:43Z", "ms": 4091891082735.1885 }, "end": { "local": "2099-09-01T19:00:24-04:00", "utc": "2099-09-01T23:00:24Z", "ms": 4091986823788.466 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-08-31T16:24:43-04:00", "utc": "2099-08-31T20:24:43Z", "ms": 4091891082735.1885 }, "end": { "local": "2099-09-01T19:00:24-04:00", "utc": "2099-09-01T23:00:24Z", "ms": 4091986823788.466 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-08-31", "window": { "start": { "local": "2099-08-31T19:26:47-04:00", "utc": "2099-08-31T23:26:47Z", "ms": 4091902006640.6616 }, "end": { "local": "2099-08-31T19:26:47-04:00", "utc": "2099-08-31T23:26:47Z", "ms": 4091902006640.6616 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-09-01", "window": { "start": { "local": "2099-09-01T20:01:09-04:00", "utc": "2099-09-02T00:01:09Z", "ms": 4091990469124.282 }, "end": { "local": "2099-09-01T20:01:09-04:00", "utc": "2099-09-02T00:01:09Z", "ms": 4091990469124.282 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 16:25 on Mon 31 Aug to 19:00 on Tue 1 Sep.", "fact": "2099-08-31T20:24:43Z → 2099-09-01T23:00:24Z" }, { "step": "kaala", "text": "Moonrise is at 19:27 on the 31st and 20:01 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3645 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Valencia, 2099: Monday 31 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": "2099-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-08-31", "confidence": "determinate" } ], "quote": "In Valencia, Aśūnya Śayana Vrata 2099 falls on Monday 31 August. Dvitīyā runs from 16:25 on Mon 31 Aug to 19:00 on Tue 1 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21850, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2099-09-01T19:00:24-04:00", "utc": "2099-09-01T23:00:24Z", "ms": 4091986823788.466 }, "end": { "local": "2099-09-02T21:37:12-04:00", "utc": "2099-09-03T01:37:12Z", "ms": 4092082632187.9727 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-01T19:00:24-04:00", "utc": "2099-09-01T23:00:24Z", "ms": 4091986823788.466 }, "end": { "local": "2099-09-02T21:37:12-04:00", "utc": "2099-09-03T01:37:12Z", "ms": 4092082632187.9727 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-01", "window": { "start": { "local": "2099-09-01T12:08:14-04:00", "utc": "2099-09-01T16:08:14Z", "ms": 4091962094252.7754 }, "end": { "local": "2099-09-01T12:56:14-04:00", "utc": "2099-09-01T16:56:14Z", "ms": 4091964974252.7754 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-09-02", "window": { "start": { "local": "2099-09-02T12:07:55-04:00", "utc": "2099-09-02T16:07:55Z", "ms": 4092048474667.9785 }, "end": { "local": "2099-09-02T12:55:55-04:00", "utc": "2099-09-02T16:55:55Z", "ms": 4092051354667.9785 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:00 on Tue 1 Sep to 21:37 on Wed 2 Sep.", "fact": "2099-09-01T23:00:24Z → 2099-09-03T01:37:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 1st, 12:08–12:56 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "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 21850 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Valencia, 2099: Wednesday 2 September.", "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": "2099-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-02", "confidence": "determinate" } ], "quote": "In Valencia, Kajjalī Tṛtīyā (Kajari Teej) 2099 falls on Wednesday 2 September. Tṛtīyā runs from 19:00 on Tue 1 Sep to 21:37 on Wed 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10601, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-09-02T21:37:12-04:00", "utc": "2099-09-03T01:37:12Z", "ms": 4092082632187.9727 }, "end": { "local": "2099-09-04T00:05:57-04:00", "utc": "2099-09-04T04:05:57Z", "ms": 4092177957260.3345 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-02T21:37:12-04:00", "utc": "2099-09-03T01:37:12Z", "ms": 4092082632187.9727 }, "end": { "local": "2099-09-04T00:05:57-04:00", "utc": "2099-09-04T04:05:57Z", "ms": 4092177957260.3345 } }, "kaala": "sayahna", "days": [ { "local_date": "2099-09-02", "window": { "start": { "local": "2099-09-02T16:13:04-04:00", "utc": "2099-09-02T20:13:04Z", "ms": 4092063184423.2124 }, "end": { "local": "2099-09-02T18:40:31-04:00", "utc": "2099-09-02T22:40:31Z", "ms": 4092072030926.702 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "2099-09-03", "window": { "start": { "local": "2099-09-03T16:12:35-04:00", "utc": "2099-09-03T20:12:35Z", "ms": 4092149554812.4326 }, "end": { "local": "2099-09-03T18:39:55-04:00", "utc": "2099-09-03T22:39:55Z", "ms": 4092158394804.2075 } }, "covered_min": 147, "window_min": 147, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:37 on Wed 2 Sep to 00:06 on Fri 4 Sep.", "fact": "2099-09-03T01:37:12Z → 2099-09-04T04:05:57Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:41 on the 2nd, 16:13–18:40 on the 3rd.", "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 147 minutes on the 2nd and 147 of 147 on the 3rd.", "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 10601 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Valencia, 2099: Thursday 3 September.", "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": "2099-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-03", "confidence": "determinate" } ], "quote": "In Valencia, Bahulā Caturthī 2099 falls on Thursday 3 September. Caturthī runs from 21:37 on Wed 2 Sep to 00:06 on Fri 4 Sep and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-09-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3678, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-09-02T21:37:12-04:00", "utc": "2099-09-03T01:37:12Z", "ms": 4092082632187.9727 }, "end": { "local": "2099-09-04T00:05:57-04:00", "utc": "2099-09-04T04:05:57Z", "ms": 4092177957260.3345 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-02T21:37:12-04:00", "utc": "2099-09-03T01:37:12Z", "ms": 4092082632187.9727 }, "end": { "local": "2099-09-04T00:05:57-04:00", "utc": "2099-09-04T04:05:57Z", "ms": 4092177957260.3345 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-09-02", "window": { "start": { "local": "2099-09-02T20:35:54-04:00", "utc": "2099-09-03T00:35:54Z", "ms": 4092078954313.0166 }, "end": { "local": "2099-09-02T20:35:54-04:00", "utc": "2099-09-03T00:35:54Z", "ms": 4092078954313.0166 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-09-03", "window": { "start": { "local": "2099-09-03T21:12:09-04:00", "utc": "2099-09-04T01:12:09Z", "ms": 4092167528594.4873 }, "end": { "local": "2099-09-03T21:12:09-04:00", "utc": "2099-09-04T01:12:09Z", "ms": 4092167528594.4873 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:37 on Wed 2 Sep to 00:06 on Fri 4 Sep.", "fact": "2099-09-03T01:37:12Z → 2099-09-04T04:05:57Z" }, { "step": "kaala", "text": "Moonrise is at 20:36 on the 2nd and 21:12 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "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 3678 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Thursday 3 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": "2099-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-03", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Thursday 3 September. Caturthī runs from 21:37 on Wed 2 Sep to 00:06 on Fri 4 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-09-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29275, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2099-09-05T02:16:30-04:00", "utc": "2099-09-05T06:16:30Z", "ms": 4092272189504.1733 }, "end": { "local": "2099-09-06T03:58:39-04:00", "utc": "2099-09-06T07:58:39Z", "ms": 4092364718760.337 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-05T02:16:30-04:00", "utc": "2099-09-05T06:16:30Z", "ms": 4092272189504.1733 }, "end": { "local": "2099-09-06T03:58:39-04:00", "utc": "2099-09-06T07:58:39Z", "ms": 4092364718760.337 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-05", "window": { "start": { "local": "2099-09-05T12:06:54-04:00", "utc": "2099-09-05T16:06:54Z", "ms": 4092307614442.757 }, "end": { "local": "2099-09-05T12:54:54-04:00", "utc": "2099-09-05T16:54:54Z", "ms": 4092310494442.757 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-09-06", "window": { "start": { "local": "2099-09-06T12:06:34-04:00", "utc": "2099-09-06T16:06:34Z", "ms": 4092393993943.6523 }, "end": { "local": "2099-09-06T12:54:34-04:00", "utc": "2099-09-06T16:54:34Z", "ms": 4092396873943.6523 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:16 on Sat 5 Sep to 03:59 on Sun 6 Sep.", "fact": "2099-09-05T06:16:30Z → 2099-09-06T07:58:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 5th, 12:07–12:55 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 29275 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Valencia, 2099: Saturday 5 September.", "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": "2099-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-05", "confidence": "determinate" } ], "quote": "In Valencia, Hala Ṣaṣṭhī 2099 falls on Saturday 5 September. Ṣaṣṭhī runs from 02:16 on Sat 5 Sep to 03:59 on Sun 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25365, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2099-09-06T03:58:39-04:00", "utc": "2099-09-06T07:58:39Z", "ms": 4092364718760.337 }, "end": { "local": "2099-09-07T05:03:28-04:00", "utc": "2099-09-07T09:03:28Z", "ms": 4092455008295.673 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-06T03:58:39-04:00", "utc": "2099-09-06T07:58:39Z", "ms": 4092364718760.337 }, "end": { "local": "2099-09-07T05:03:28-04:00", "utc": "2099-09-07T09:03:28Z", "ms": 4092455008295.673 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-06", "window": { "start": { "local": "2099-09-06T12:06:34-04:00", "utc": "2099-09-06T16:06:34Z", "ms": 4092393993943.6523 }, "end": { "local": "2099-09-06T12:54:34-04:00", "utc": "2099-09-06T16:54:34Z", "ms": 4092396873943.6523 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-09-07", "window": { "start": { "local": "2099-09-07T12:06:13-04:00", "utc": "2099-09-07T16:06:13Z", "ms": 4092480373265.3955 }, "end": { "local": "2099-09-07T12:54:13-04:00", "utc": "2099-09-07T16:54:13Z", "ms": 4092483253265.3955 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:59 on Sun 6 Sep to 05:03 on Mon 7 Sep.", "fact": "2099-09-06T07:58:39Z → 2099-09-07T09:03:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 6th, 12:06–12:54 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 25365 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Valencia, 2099: Sunday 6 September.", "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": "2099-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-06", "confidence": "determinate" } ], "quote": "In Valencia, Śītalā Saptamī 2099 falls on Sunday 6 September. Saptamī runs from 03:59 on Sun 6 Sep to 05:03 on Mon 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14936, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2099-09-07T05:03:28-04:00", "utc": "2099-09-07T09:03:28Z", "ms": 4092455008295.673 }, "end": { "local": "2099-09-08T05:24:25-04:00", "utc": "2099-09-08T09:24:25Z", "ms": 4092542664808.7593 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-07T05:03:28-04:00", "utc": "2099-09-07T09:03:28Z", "ms": 4092455008295.673 }, "end": { "local": "2099-09-08T05:24:25-04:00", "utc": "2099-09-08T09:24:25Z", "ms": 4092542664808.7593 } }, "kaala": "nishita", "days": [ { "local_date": "2099-09-06", "window": { "start": { "local": "2099-09-07T00:06:32-04:00", "utc": "2099-09-07T04:06:32Z", "ms": 4092437191829.91 }, "end": { "local": "2099-09-07T00:54:32-04:00", "utc": "2099-09-07T04:54:32Z", "ms": 4092440071829.91 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-09-07", "window": { "start": { "local": "2099-09-08T00:06:11-04:00", "utc": "2099-09-08T04:06:11Z", "ms": 4092523571089.795 }, "end": { "local": "2099-09-08T00:54:11-04:00", "utc": "2099-09-08T04:54:11Z", "ms": 4092526451089.795 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:03 on Mon 7 Sep to 05:24 on Tue 8 Sep.", "fact": "2099-09-07T09:03:28Z → 2099-09-08T09:24:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:07–00:55 on the 6th, 00:06–00:54 on the 7th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14936 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Valencia, 2099: Monday 7 September.", "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": "2099-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-07", "confidence": "determinate" } ], "quote": "In Valencia, Janmāṣṭamī 2099 falls on Monday 7 September. Aṣṭamī runs from 05:03 on Mon 7 Sep to 05:24 on Tue 8 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-09-10", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9496, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-09-10T03:44:30-04:00", "utc": "2099-09-10T07:44:30Z", "ms": 4092709469802.061 }, "end": { "local": "2099-09-11T01:46:47-04:00", "utc": "2099-09-11T05:46:47Z", "ms": 4092788807339.2905 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-10T03:44:30-04:00", "utc": "2099-09-10T07:44:30Z", "ms": 4092709469802.061 }, "end": { "local": "2099-09-11T01:46:47-04:00", "utc": "2099-09-11T05:46:47Z", "ms": 4092788807339.2905 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-09-10", "window": { "start": { "local": "2099-09-10T06:22:45-04:00", "utc": "2099-09-10T10:22:45Z", "ms": 4092718965485.248 }, "end": { "local": "2099-09-10T06:22:45-04:00", "utc": "2099-09-10T10:22:45Z", "ms": 4092718965485.248 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-09-11", "window": { "start": { "local": "2099-09-11T06:22:41-04:00", "utc": "2099-09-11T10:22:41Z", "ms": 4092805360858.0337 }, "end": { "local": "2099-09-11T06:22:41-04:00", "utc": "2099-09-11T10:22:41Z", "ms": 4092805360858.0337 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:44 on Thu 10 Sep to 01:47 on Fri 11 Sep.", "fact": "2099-09-10T07:44:30Z → 2099-09-11T05:46:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 10th and 06:23 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 9496 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Valencia, 2099: Thursday 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": "2099-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-10", "confidence": "determinate" } ], "quote": "In Valencia, Ajā Ekādaśī 2099 falls on Thursday 10 September. Ekādaśī runs from 03:44 on Thu 10 Sep to 01:47 on Fri 11 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-09-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 308, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-09-12T20:03:38-04:00", "utc": "2099-09-13T00:03:38Z", "ms": 4092941017527.961 }, "end": { "local": "2099-09-13T16:34:30-04:00", "utc": "2099-09-13T20:34:30Z", "ms": 4093014869544.2905 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-12T20:03:38-04:00", "utc": "2099-09-13T00:03:38Z", "ms": 4092941017527.961 }, "end": { "local": "2099-09-13T16:34:30-04:00", "utc": "2099-09-13T20:34:30Z", "ms": 4093014869544.2905 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-09-12", "window": { "start": { "local": "2099-09-12T18:34:20-04:00", "utc": "2099-09-12T22:34:20Z", "ms": 4092935659527.9224 }, "end": { "local": "2099-09-12T20:08:45-04:00", "utc": "2099-09-13T00:08:45Z", "ms": 4092941325114.674 } }, "covered_min": 5, "window_min": 94, "qualifies": true }, { "local_date": "2099-09-13", "window": { "start": { "local": "2099-09-13T18:33:42-04:00", "utc": "2099-09-13T22:33:42Z", "ms": 4093022021536.501 }, "end": { "local": "2099-09-13T20:08:12-04:00", "utc": "2099-09-14T00:08:12Z", "ms": 4093027691551.8877 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:04 on Sat 12 Sep to 16:34 on Sun 13 Sep.", "fact": "2099-09-13T00:03:38Z → 2099-09-13T20:34:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:09 on the 12th, 18:34–20:08 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 5 of 94 minutes on the 12th and 0 of 95 on the 13th.", "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 308 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Valencia, 2099: Saturday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-09-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-12", "confidence": "determinate" } ], "quote": "In Valencia, Aghora Caturdaśī 2099 falls on Saturday 12 September. Caturdaśī runs from 20:04 on Sat 12 Sep to 16:34 on Sun 13 Sep and covers 5 of 94 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/pradosha-vrata?on=2099-09-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 308, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-09-11T23:10:39-04:00", "utc": "2099-09-12T03:10:39Z", "ms": 4092865838930.0225 }, "end": { "local": "2099-09-12T20:03:38-04:00", "utc": "2099-09-13T00:03:38Z", "ms": 4092941017527.961 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-11T23:10:39-04:00", "utc": "2099-09-12T03:10:39Z", "ms": 4092865838930.0225 }, "end": { "local": "2099-09-12T20:03:38-04:00", "utc": "2099-09-13T00:03:38Z", "ms": 4092941017527.961 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-09-11", "window": { "start": { "local": "2099-09-11T18:34:57-04:00", "utc": "2099-09-11T22:34:57Z", "ms": 4092849297425.201 }, "end": { "local": "2099-09-11T20:09:19-04:00", "utc": "2099-09-12T00:09:19Z", "ms": 4092854958590.918 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2099-09-12", "window": { "start": { "local": "2099-09-12T18:34:20-04:00", "utc": "2099-09-12T22:34:20Z", "ms": 4092935659527.9224 }, "end": { "local": "2099-09-12T20:08:45-04:00", "utc": "2099-09-13T00:08:45Z", "ms": 4092941325114.674 } }, "covered_min": 89, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:11 on Fri 11 Sep to 20:04 on Sat 12 Sep.", "fact": "2099-09-12T03:10:39Z → 2099-09-13T00:03:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:09 on the 11th, 18:34–20:09 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 94 minutes on the 11th and 89 of 94 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 308 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Saturday 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": "2099-09-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-12", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Saturday 12 September. Trayodaśī runs from 23:11 on Fri 11 Sep to 20:04 on Sat 12 Sep and covers 89 of 94 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-09-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14448, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-09-12T20:03:38-04:00", "utc": "2099-09-13T00:03:38Z", "ms": 4092941017527.961 }, "end": { "local": "2099-09-13T16:34:30-04:00", "utc": "2099-09-13T20:34:30Z", "ms": 4093014869544.2905 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-12T20:03:38-04:00", "utc": "2099-09-13T00:03:38Z", "ms": 4092941017527.961 }, "end": { "local": "2099-09-13T16:34:30-04:00", "utc": "2099-09-13T20:34:30Z", "ms": 4093014869544.2905 } }, "kaala": "nishita", "days": [ { "local_date": "2099-09-12", "window": { "start": { "local": "2099-09-13T00:04:25-04:00", "utc": "2099-09-13T04:04:25Z", "ms": 4092955465478.2393 }, "end": { "local": "2099-09-13T00:52:25-04:00", "utc": "2099-09-13T04:52:25Z", "ms": 4092958345478.2393 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-09-13", "window": { "start": { "local": "2099-09-14T00:04:04-04:00", "utc": "2099-09-14T04:04:04Z", "ms": 4093041844094.2 }, "end": { "local": "2099-09-14T00:52:04-04:00", "utc": "2099-09-14T04:52:04Z", "ms": 4093044724094.2 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:04 on Sat 12 Sep to 16:34 on Sun 13 Sep.", "fact": "2099-09-13T00:03:38Z → 2099-09-13T20:34:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 12th, 00:04–00:52 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14448 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Saturday 12 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": "2099-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-12", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 2099 falls on Saturday 12 September. Caturdaśī runs from 20:04 on Sat 12 Sep to 16:34 on Sun 13 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-15", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 59, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2099-09-14T12:52:44-04:00", "utc": "2099-09-14T16:52:44Z", "ms": 4093087963569.926 }, "end": { "local": "2099-09-15T09:08:06-04:00", "utc": "2099-09-15T13:08:06Z", "ms": 4093160886207.7607 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-14T12:52:44-04:00", "utc": "2099-09-14T16:52:44Z", "ms": 4093087963569.926 }, "end": { "local": "2099-09-15T09:08:06-04:00", "utc": "2099-09-15T13:08:06Z", "ms": 4093160886207.7607 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-14", "window": { "start": { "local": "2099-09-14T12:03:45-04:00", "utc": "2099-09-14T16:03:45Z", "ms": 4093085025060.461 }, "end": { "local": "2099-09-14T12:51:45-04:00", "utc": "2099-09-14T16:51:45Z", "ms": 4093087905060.461 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-09-15", "window": { "start": { "local": "2099-09-15T12:03:24-04:00", "utc": "2099-09-15T16:03:24Z", "ms": 4093171403596.7075 }, "end": { "local": "2099-09-15T12:51:24-04:00", "utc": "2099-09-15T16:51:24Z", "ms": 4093174283596.7075 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:53 on Mon 14 Sep to 09:08 on Tue 15 Sep.", "fact": "2099-09-14T16:52:44Z → 2099-09-15T13:08:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 14th, 12:03–12:51 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 59 s < 300 s" }, { "step": "ruling", "text": "Rudra Vrata, Valencia, 2099: Tuesday 15 September.", "fact": "confidence: boundary (margin)" } ], "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": "2099-09-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-14", "confidence": "determinate" } ], "quote": "In Valencia, Rudra Vrata 2099 falls on Tuesday 15 September. Pratipadā runs from 12:53 on Mon 14 Sep to 09:08 on Tue 15 Sep, and reaches madhyāhna on neither day. It is 0 min 59 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23559, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2099-09-16T05:30:23-04:00", "utc": "2099-09-16T09:30:23Z", "ms": 4093234222700.3945 }, "end": { "local": "2099-09-17T02:08:59-04:00", "utc": "2099-09-17T06:08:59Z", "ms": 4093308539009.8486 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-16T05:30:23-04:00", "utc": "2099-09-16T09:30:23Z", "ms": 4093234222700.3945 }, "end": { "local": "2099-09-17T02:08:59-04:00", "utc": "2099-09-17T06:08:59Z", "ms": 4093308539009.8486 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-16", "window": { "start": { "local": "2099-09-16T12:03:02-04:00", "utc": "2099-09-16T16:03:02Z", "ms": 4093257782106.316 }, "end": { "local": "2099-09-16T12:51:02-04:00", "utc": "2099-09-16T16:51:02Z", "ms": 4093260662106.316 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-09-17", "window": { "start": { "local": "2099-09-17T12:02:41-04:00", "utc": "2099-09-17T16:02:41Z", "ms": 4093344160604.9316 }, "end": { "local": "2099-09-17T12:50:41-04:00", "utc": "2099-09-17T16:50:41Z", "ms": 4093347040604.9316 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:30 on Wed 16 Sep to 02:09 on Thu 17 Sep.", "fact": "2099-09-16T09:30:23Z → 2099-09-17T06:08:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 16th, 12:03–12:51 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23559 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Valencia, 2099: Wednesday 16 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": "2099-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-16", "confidence": "determinate" } ], "quote": "In Valencia, Haritālikā Vrata (Hartalika Teej) 2099 falls on Wednesday 16 September. Tṛtīyā runs from 05:30 on Wed 16 Sep to 02:09 on Thu 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35622, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-09-17T02:08:59-04:00", "utc": "2099-09-17T06:08:59Z", "ms": 4093308539009.8486 }, "end": { "local": "2099-09-17T23:12:42-04:00", "utc": "2099-09-18T03:12:42Z", "ms": 4093384362023.1416 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-17T02:08:59-04:00", "utc": "2099-09-17T06:08:59Z", "ms": 4093308539009.8486 }, "end": { "local": "2099-09-17T23:12:42-04:00", "utc": "2099-09-18T03:12:42Z", "ms": 4093384362023.1416 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-17", "window": { "start": { "local": "2099-09-17T12:02:41-04:00", "utc": "2099-09-17T16:02:41Z", "ms": 4093344160604.9316 }, "end": { "local": "2099-09-17T12:50:41-04:00", "utc": "2099-09-17T16:50:41Z", "ms": 4093347040604.9316 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-09-18", "window": { "start": { "local": "2099-09-18T12:02:19-04:00", "utc": "2099-09-18T16:02:19Z", "ms": 4093430539109.1543 }, "end": { "local": "2099-09-18T12:50:19-04:00", "utc": "2099-09-18T16:50:19Z", "ms": 4093433419109.1543 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:09 on Thu 17 Sep to 23:13 on Thu 17 Sep.", "fact": "2099-09-17T06:08:59Z → 2099-09-18T03:12:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 17th, 12:02–12:50 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35622 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Valencia, 2099: Thursday 17 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": "2099-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-17", "confidence": "determinate" } ], "quote": "In Valencia, Gaṇeśa Caturthī 2099 falls on Thursday 17 September. Caturthī runs from 02:09 on Thu 17 Sep to 23:13 on Thu 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28736, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2099-09-17T23:12:42-04:00", "utc": "2099-09-18T03:12:42Z", "ms": 4093384362023.1416 }, "end": { "local": "2099-09-18T20:49:15-04:00", "utc": "2099-09-19T00:49:15Z", "ms": 4093462155477.913 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-17T23:12:42-04:00", "utc": "2099-09-18T03:12:42Z", "ms": 4093384362023.1416 }, "end": { "local": "2099-09-18T20:49:15-04:00", "utc": "2099-09-19T00:49:15Z", "ms": 4093462155477.913 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-17", "window": { "start": { "local": "2099-09-17T12:02:41-04:00", "utc": "2099-09-17T16:02:41Z", "ms": 4093344160604.9316 }, "end": { "local": "2099-09-17T12:50:41-04:00", "utc": "2099-09-17T16:50:41Z", "ms": 4093347040604.9316 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-09-18", "window": { "start": { "local": "2099-09-18T12:02:19-04:00", "utc": "2099-09-18T16:02:19Z", "ms": 4093430539109.1543 }, "end": { "local": "2099-09-18T12:50:19-04:00", "utc": "2099-09-18T16:50:19Z", "ms": 4093433419109.1543 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:13 on Thu 17 Sep to 20:49 on Fri 18 Sep.", "fact": "2099-09-18T03:12:42Z → 2099-09-19T00:49:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 17th, 12:02–12:50 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 28736 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Valencia, 2099: Friday 18 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": "2099-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-18", "confidence": "determinate" } ], "quote": "In Valencia, Ṛṣi Pañcamī 2099 falls on Friday 18 September. Pañcamī runs from 23:13 on Thu 17 Sep to 20:49 on Fri 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22493, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2099-09-18T20:49:15-04:00", "utc": "2099-09-19T00:49:15Z", "ms": 4093462155477.913 }, "end": { "local": "2099-09-19T19:04:51-04:00", "utc": "2099-09-19T23:04:51Z", "ms": 4093542291107.9155 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-18T20:49:15-04:00", "utc": "2099-09-19T00:49:15Z", "ms": 4093462155477.913 }, "end": { "local": "2099-09-19T19:04:51-04:00", "utc": "2099-09-19T23:04:51Z", "ms": 4093542291107.9155 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-18", "window": { "start": { "local": "2099-09-18T12:02:19-04:00", "utc": "2099-09-18T16:02:19Z", "ms": 4093430539109.1543 }, "end": { "local": "2099-09-18T12:50:19-04:00", "utc": "2099-09-18T16:50:19Z", "ms": 4093433419109.1543 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-09-19", "window": { "start": { "local": "2099-09-19T12:01:58-04:00", "utc": "2099-09-19T16:01:58Z", "ms": 4093516917636.702 }, "end": { "local": "2099-09-19T12:49:58-04:00", "utc": "2099-09-19T16:49:58Z", "ms": 4093519797636.702 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:49 on Fri 18 Sep to 19:05 on Sat 19 Sep.", "fact": "2099-09-19T00:49:15Z → 2099-09-19T23:04:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 18th, 12:02–12:50 on the 19th.", "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 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 22493 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Valencia, 2099: Saturday 19 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": "2099-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-19", "confidence": "determinate" } ], "quote": "In Valencia, Sūrya Ṣaṣṭhī (Bhādrapada) 2099 falls on Saturday 19 September. Ṣaṣṭhī runs from 20:49 on Fri 18 Sep to 19:05 on Sat 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18841, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2099-09-19T19:04:51-04:00", "utc": "2099-09-19T23:04:51Z", "ms": 4093542291107.9155 }, "end": { "local": "2099-09-20T18:03:37-04:00", "utc": "2099-09-20T22:03:37Z", "ms": 4093625017442.692 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-19T19:04:51-04:00", "utc": "2099-09-19T23:04:51Z", "ms": 4093542291107.9155 }, "end": { "local": "2099-09-20T18:03:37-04:00", "utc": "2099-09-20T22:03:37Z", "ms": 4093625017442.692 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-19", "window": { "start": { "local": "2099-09-19T12:01:58-04:00", "utc": "2099-09-19T16:01:58Z", "ms": 4093516917636.702 }, "end": { "local": "2099-09-19T12:49:58-04:00", "utc": "2099-09-19T16:49:58Z", "ms": 4093519797636.702 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-09-20", "window": { "start": { "local": "2099-09-20T12:01:36-04:00", "utc": "2099-09-20T16:01:36Z", "ms": 4093603296206.408 }, "end": { "local": "2099-09-20T12:49:36-04:00", "utc": "2099-09-20T16:49:36Z", "ms": 4093606176206.408 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:05 on Sat 19 Sep to 18:04 on Sun 20 Sep.", "fact": "2099-09-19T23:04:51Z → 2099-09-20T22:03:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 19th, 12:02–12:50 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18841 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Valencia, 2099: Sunday 20 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": "2099-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-20", "confidence": "determinate" } ], "quote": "In Valencia, Muktābharaṇa Vrata 2099 falls on Sunday 20 September. Saptamī runs from 19:05 on Sat 19 Sep to 18:04 on Sun 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17877, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2099-09-20T18:03:37-04:00", "utc": "2099-09-20T22:03:37Z", "ms": 4093625017442.692 }, "end": { "local": "2099-09-21T17:47:12-04:00", "utc": "2099-09-21T21:47:12Z", "ms": 4093710432177.599 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-20T18:03:37-04:00", "utc": "2099-09-20T22:03:37Z", "ms": 4093625017442.692 }, "end": { "local": "2099-09-21T17:47:12-04:00", "utc": "2099-09-21T21:47:12Z", "ms": 4093710432177.599 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-20", "window": { "start": { "local": "2099-09-20T12:01:36-04:00", "utc": "2099-09-20T16:01:36Z", "ms": 4093603296206.408 }, "end": { "local": "2099-09-20T12:49:36-04:00", "utc": "2099-09-20T16:49:36Z", "ms": 4093606176206.408 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-09-21", "window": { "start": { "local": "2099-09-21T12:01:15-04:00", "utc": "2099-09-21T16:01:15Z", "ms": 4093689674838.1113 }, "end": { "local": "2099-09-21T12:49:15-04:00", "utc": "2099-09-21T16:49:15Z", "ms": 4093692554838.1113 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:04 on Sun 20 Sep to 17:47 on Mon 21 Sep.", "fact": "2099-09-20T22:03:37Z → 2099-09-21T21:47:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 20th, 12:01–12:49 on the 21st.", "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 20th and 48 of 48 on the 21st.", "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 17877 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Valencia, 2099: Monday 21 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": "2099-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-21", "confidence": "determinate" } ], "quote": "In Valencia, Rādhāṣṭamī 2099 falls on Monday 21 September. Aṣṭamī runs from 18:04 on Sun 20 Sep to 17:47 on Mon 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-09-24", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33557, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-09-23T19:21:30-04:00", "utc": "2099-09-23T23:21:30Z", "ms": 4093888890328.342 }, "end": { "local": "2099-09-24T21:02:19-04:00", "utc": "2099-09-25T01:02:19Z", "ms": 4093981338961.8374 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-23T19:21:30-04:00", "utc": "2099-09-23T23:21:30Z", "ms": 4093888890328.342 }, "end": { "local": "2099-09-24T21:02:19-04:00", "utc": "2099-09-25T01:02:19Z", "ms": 4093981338961.8374 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-09-24", "window": { "start": { "local": "2099-09-24T06:21:40-04:00", "utc": "2099-09-24T10:21:40Z", "ms": 4093928499773.5327 }, "end": { "local": "2099-09-24T06:21:40-04:00", "utc": "2099-09-24T10:21:40Z", "ms": 4093928499773.5327 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-09-25", "window": { "start": { "local": "2099-09-25T06:21:36-04:00", "utc": "2099-09-25T10:21:36Z", "ms": 4094014895530.907 }, "end": { "local": "2099-09-25T06:21:36-04:00", "utc": "2099-09-25T10:21:36Z", "ms": 4094014895530.907 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:22 on Wed 23 Sep to 21:02 on Thu 24 Sep.", "fact": "2099-09-23T23:21:30Z → 2099-09-25T01:02:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 24th and 06:22 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not on the 25th.", "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 33557 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Valencia, 2099: Thursday 24 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": "2099-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-24", "confidence": "determinate" } ], "quote": "In Valencia, Parivartanī Ekādaśī 2099 falls on Thursday 24 September. Ekādaśī runs from 19:22 on Wed 23 Sep to 21:02 on Thu 24 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-09-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29648, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2099-09-24T21:02:19-04:00", "utc": "2099-09-25T01:02:19Z", "ms": 4093981338961.8374 }, "end": { "local": "2099-09-25T23:09:21-04:00", "utc": "2099-09-26T03:09:21Z", "ms": 4094075360518.4155 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-24T21:02:19-04:00", "utc": "2099-09-25T01:02:19Z", "ms": 4093981338961.8374 }, "end": { "local": "2099-09-25T23:09:21-04:00", "utc": "2099-09-26T03:09:21Z", "ms": 4094075360518.4155 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-09-24", "window": { "start": { "local": "2099-09-24T12:00:11-04:00", "utc": "2099-09-24T16:00:11Z", "ms": 4093948811315.3057 }, "end": { "local": "2099-09-24T12:48:11-04:00", "utc": "2099-09-24T16:48:11Z", "ms": 4093951691315.3057 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-09-25", "window": { "start": { "local": "2099-09-25T11:59:50-04:00", "utc": "2099-09-25T15:59:50Z", "ms": 4094035190407.953 }, "end": { "local": "2099-09-25T12:47:50-04:00", "utc": "2099-09-25T16:47:50Z", "ms": 4094038070407.953 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:02 on Thu 24 Sep to 23:09 on Fri 25 Sep.", "fact": "2099-09-25T01:02:19Z → 2099-09-26T03:09:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 24th, 12:00–12:48 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29648 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Valencia, 2099: Friday 25 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": "2099-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-25", "confidence": "determinate" } ], "quote": "In Valencia, Vāmana Jayantī 2099 falls on Friday 25 September. Dvādaśī runs from 21:02 on Thu 24 Sep to 23:09 on Fri 25 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/pradosha-vrata?on=2099-09-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11272, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-09-25T23:09:21-04:00", "utc": "2099-09-26T03:09:21Z", "ms": 4094075360518.4155 }, "end": { "local": "2099-09-27T01:34:27-04:00", "utc": "2099-09-27T05:34:27Z", "ms": 4094170467357.9673 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-25T23:09:21-04:00", "utc": "2099-09-26T03:09:21Z", "ms": 4094075360518.4155 }, "end": { "local": "2099-09-27T01:34:27-04:00", "utc": "2099-09-27T05:34:27Z", "ms": 4094170467357.9673 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-09-25", "window": { "start": { "local": "2099-09-25T18:26:05-04:00", "utc": "2099-09-25T22:26:05Z", "ms": 4094058365284.9985 }, "end": { "local": "2099-09-25T20:01:29-04:00", "utc": "2099-09-26T00:01:29Z", "ms": 4094064088773.0015 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2099-09-26", "window": { "start": { "local": "2099-09-26T18:25:28-04:00", "utc": "2099-09-26T22:25:28Z", "ms": 4094144727898.0044 }, "end": { "local": "2099-09-26T20:00:56-04:00", "utc": "2099-09-27T00:00:56Z", "ms": 4094150455849.8022 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:09 on Fri 25 Sep to 01:34 on Sun 27 Sep.", "fact": "2099-09-26T03:09:21Z → 2099-09-27T05:34:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–20:01 on the 25th, 18:25–20:01 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 0 of 95 minutes on the 25th and 95 of 95 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 11272 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Saturday 26 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": "2099-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-26", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Saturday 26 September. Trayodaśī runs from 23:09 on Fri 25 Sep to 01:34 on Sun 27 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-09-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7904, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-09-27T01:34:27-04:00", "utc": "2099-09-27T05:34:27Z", "ms": 4094170467357.9673 }, "end": { "local": "2099-09-28T04:09:40-04:00", "utc": "2099-09-28T08:09:40Z", "ms": 4094266179743.165 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2099-09-27T01:34:27-04:00", "utc": "2099-09-27T05:34:27Z", "ms": 4094170467357.9673 }, "end": { "local": "2099-09-28T04:09:40-04:00", "utc": "2099-09-28T08:09:40Z", "ms": 4094266179743.165 } }, "kaala": "udaya-3", "days": [ { "local_date": "2099-09-27", "window": { "start": { "local": "2099-09-27T06:21:28-04:00", "utc": "2099-09-27T10:21:28Z", "ms": 4094187687536.488 }, "end": { "local": "2099-09-27T08:46:08-04:00", "utc": "2099-09-27T12:46:08Z", "ms": 4094196368173.443 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "2099-09-28", "window": { "start": { "local": "2099-09-28T06:21:24-04:00", "utc": "2099-09-28T10:21:24Z", "ms": 4094274083826.145 }, "end": { "local": "2099-09-28T08:45:58-04:00", "utc": "2099-09-28T12:45:58Z", "ms": 4094282757816.934 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:34 on Sun 27 Sep to 04:10 on Mon 28 Sep.", "fact": "2099-09-27T05:34:27Z → 2099-09-28T08:09:40Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:21–08:46 on the 27th, 06:21–08:46 on the 28th.", "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 145 of 145 minutes on the 27th and 0 of 145 on the 28th.", "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 7904 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Valencia, 2099: Sunday 27 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": "2099-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-09-27", "confidence": "determinate" } ], "quote": "In Valencia, Ananta Caturdaśī 2099 falls on Sunday 27 September. Caturdaśī runs from 01:34 on Sun 27 Sep to 04:10 on Mon 28 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-10-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20547, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-10-02T13:50:55-04:00", "utc": "2099-10-02T17:50:55Z", "ms": 4094646655318.1704 }, "end": { "local": "2099-10-03T15:34:52-04:00", "utc": "2099-10-03T19:34:52Z", "ms": 4094739291754.4536 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-02T13:50:55-04:00", "utc": "2099-10-02T17:50:55Z", "ms": 4094646655318.1704 }, "end": { "local": "2099-10-03T15:34:52-04:00", "utc": "2099-10-03T19:34:52Z", "ms": 4094739291754.4536 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-10-02", "window": { "start": { "local": "2099-10-02T20:31:55-04:00", "utc": "2099-10-03T00:31:55Z", "ms": 4094670714560.342 }, "end": { "local": "2099-10-02T20:31:55-04:00", "utc": "2099-10-03T00:31:55Z", "ms": 4094670714560.342 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-10-03", "window": { "start": { "local": "2099-10-03T21:17:19-04:00", "utc": "2099-10-04T01:17:19Z", "ms": 4094759838945.8423 }, "end": { "local": "2099-10-03T21:17:19-04:00", "utc": "2099-10-04T01:17:19Z", "ms": 4094759838945.8423 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:51 on Fri 2 Oct to 15:35 on Sat 3 Oct.", "fact": "2099-10-02T17:50:55Z → 2099-10-03T19:34:52Z" }, { "step": "kaala", "text": "Moonrise is at 20:32 on the 2nd and 21:17 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 2nd and is not on the 3rd.", "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 20547 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Friday 2 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": "2099-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-02", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Friday 2 October. Caturthī runs from 13:51 on Fri 2 Oct to 15:35 on Sat 3 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-10-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19018, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2099-10-04T16:50:24-04:00", "utc": "2099-10-04T20:50:24Z", "ms": 4094830224344.559 }, "end": { "local": "2099-10-05T17:32:19-04:00", "utc": "2099-10-05T21:32:19Z", "ms": 4094919139204.4253 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-04T16:50:24-04:00", "utc": "2099-10-04T20:50:24Z", "ms": 4094830224344.559 }, "end": { "local": "2099-10-05T17:32:19-04:00", "utc": "2099-10-05T21:32:19Z", "ms": 4094919139204.4253 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-10-04", "window": { "start": { "local": "2099-10-04T22:07:23-04:00", "utc": "2099-10-05T02:07:23Z", "ms": 4094849242789.4424 }, "end": { "local": "2099-10-04T22:07:23-04:00", "utc": "2099-10-05T02:07:23Z", "ms": 4094849242789.4424 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-10-05", "window": { "start": { "local": "2099-10-05T23:01:54-04:00", "utc": "2099-10-06T03:01:54Z", "ms": 4094938914195.1855 }, "end": { "local": "2099-10-05T23:01:54-04:00", "utc": "2099-10-06T03:01:54Z", "ms": 4094938914195.1855 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:50 on Sun 4 Oct to 17:32 on Mon 5 Oct.", "fact": "2099-10-04T20:50:24Z → 2099-10-05T21:32:19Z" }, { "step": "kaala", "text": "Moonrise is at 22:07 on the 4th and 23:02 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 4th and is not on the 5th.", "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 19018 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Valencia, 2099: Sunday 4 October.", "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": "2099-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-04", "confidence": "determinate" } ], "quote": "In Valencia, Candra Ṣaṣṭhī 2099 falls on Sunday 4 October. Ṣaṣṭhī runs from 16:50 on Sun 4 Oct to 17:32 on Mon 5 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2583, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2099-10-06T17:36:27-04:00", "utc": "2099-10-06T21:36:27Z", "ms": 4095005787020.896 }, "end": { "local": "2099-10-07T17:00:16-04:00", "utc": "2099-10-07T21:00:16Z", "ms": 4095090015788.4697 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-06T17:36:27-04:00", "utc": "2099-10-06T21:36:27Z", "ms": 4095005787020.896 }, "end": { "local": "2099-10-07T17:00:16-04:00", "utc": "2099-10-07T21:00:16Z", "ms": 4095090015788.4697 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-10-06", "window": { "start": { "local": "2099-10-06T18:19:30-04:00", "utc": "2099-10-06T22:19:30Z", "ms": 4095008369772.596 }, "end": { "local": "2099-10-06T19:55:42-04:00", "utc": "2099-10-06T23:55:42Z", "ms": 4095014142173.111 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2099-10-07", "window": { "start": { "local": "2099-10-07T18:18:56-04:00", "utc": "2099-10-07T22:18:56Z", "ms": 4095094736086.4624 }, "end": { "local": "2099-10-07T19:55:13-04:00", "utc": "2099-10-07T23:55:13Z", "ms": 4095100512898.1704 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:36 on Tue 6 Oct to 17:00 on Wed 7 Oct.", "fact": "2099-10-06T21:36:27Z → 2099-10-07T21:00:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:56 on the 6th, 18:19–19:55 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 96 of 96 minutes on the 6th and 0 of 96 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2583 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Valencia, 2099: Tuesday 6 October.", "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": "2099-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-06", "confidence": "determinate" } ], "quote": "In Valencia, Jitāṣṭamī (Jitiya) 2099 falls on Tuesday 6 October. Aṣṭamī runs from 17:36 on Tue 6 Oct to 17:00 on Wed 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23002, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2099-10-06T17:36:27-04:00", "utc": "2099-10-06T21:36:27Z", "ms": 4095005787020.896 }, "end": { "local": "2099-10-07T17:00:16-04:00", "utc": "2099-10-07T21:00:16Z", "ms": 4095090015788.4697 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-06T17:36:27-04:00", "utc": "2099-10-06T21:36:27Z", "ms": 4095005787020.896 }, "end": { "local": "2099-10-07T17:00:16-04:00", "utc": "2099-10-07T21:00:16Z", "ms": 4095090015788.4697 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-10-06", "window": { "start": { "local": "2099-10-06T23:59:49-04:00", "utc": "2099-10-07T03:59:49Z", "ms": 4095028788677.3643 }, "end": { "local": "2099-10-06T23:59:49-04:00", "utc": "2099-10-07T03:59:49Z", "ms": 4095028788677.3643 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-10-07", "window": { "start": { "local": "2099-10-08T00:59:23-04:00", "utc": "2099-10-08T04:59:23Z", "ms": 4095118763270.1 }, "end": { "local": "2099-10-08T00:59:23-04:00", "utc": "2099-10-08T04:59:23Z", "ms": 4095118763270.1 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:36 on Tue 6 Oct to 17:00 on Wed 7 Oct.", "fact": "2099-10-06T21:36:27Z → 2099-10-07T21:00:16Z" }, { "step": "kaala", "text": "Moonrise is at 00:00 on the 6th and 00:59 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23002 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Valencia, 2099: Tuesday 6 October.", "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": "2099-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-06", "confidence": "determinate" } ], "quote": "In Valencia, Mahālakṣmī Vrata Samāpana 2099 falls on Tuesday 6 October. Aṣṭamī runs from 17:36 on Tue 6 Oct to 17:00 on Wed 7 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-10-10", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17685, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-10-09T13:47:09-04:00", "utc": "2099-10-09T17:47:09Z", "ms": 4095251228783.018 }, "end": { "local": "2099-10-10T11:15:47-04:00", "utc": "2099-10-10T15:15:47Z", "ms": 4095328547094.0312 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-09T13:47:09-04:00", "utc": "2099-10-09T17:47:09Z", "ms": 4095251228783.018 }, "end": { "local": "2099-10-10T11:15:47-04:00", "utc": "2099-10-10T15:15:47Z", "ms": 4095328547094.0312 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-10-09", "window": { "start": { "local": "2099-10-09T06:21:02-04:00", "utc": "2099-10-09T10:21:02Z", "ms": 4095224461986.1997 }, "end": { "local": "2099-10-09T06:21:02-04:00", "utc": "2099-10-09T10:21:02Z", "ms": 4095224461986.1997 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-10-10", "window": { "start": { "local": "2099-10-10T06:21:02-04:00", "utc": "2099-10-10T10:21:02Z", "ms": 4095310862227.635 }, "end": { "local": "2099-10-10T06:21:02-04:00", "utc": "2099-10-10T10:21:02Z", "ms": 4095310862227.635 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:47 on Fri 9 Oct to 11:16 on Sat 10 Oct.", "fact": "2099-10-09T17:47:09Z → 2099-10-10T15:15:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 9th and 06:21 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 17685 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Valencia, 2099: Saturday 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": "2099-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-10", "confidence": "determinate" } ], "quote": "In Valencia, Indirā Ekādaśī 2099 falls on Saturday 10 October. Ekādaśī runs from 13:47 on Fri 9 Oct to 11:16 on Sat 10 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-10-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-10-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32313, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-10-11T08:14:56-04:00", "utc": "2099-10-11T12:14:56Z", "ms": 4095404095851.2607 }, "end": { "local": "2099-10-12T04:51:54-04:00", "utc": "2099-10-12T08:51:54Z", "ms": 4095478314175.485 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-11T08:14:56-04:00", "utc": "2099-10-11T12:14:56Z", "ms": 4095404095851.2607 }, "end": { "local": "2099-10-12T04:51:54-04:00", "utc": "2099-10-12T08:51:54Z", "ms": 4095478314175.485 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-10-10", "window": { "start": { "local": "2099-10-10T18:17:18-04:00", "utc": "2099-10-10T22:17:18Z", "ms": 4095353838018.5195 }, "end": { "local": "2099-10-10T19:53:48-04:00", "utc": "2099-10-10T23:53:48Z", "ms": 4095359628004.399 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2099-10-11", "window": { "start": { "local": "2099-10-11T18:16:46-04:00", "utc": "2099-10-11T22:16:46Z", "ms": 4095440206397.3755 }, "end": { "local": "2099-10-11T19:53:21-04:00", "utc": "2099-10-11T23:53:21Z", "ms": 4095446000751.555 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:15 on Sun 11 Oct to 04:52 on Mon 12 Oct.", "fact": "2099-10-11T12:14:56Z → 2099-10-12T08:51:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:54 on the 10th, 18:17–19:53 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 10th and 97 of 97 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 32313 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Sunday 11 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": "2099-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-11", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Sunday 11 October. Trayodaśī runs from 08:15 on Sun 11 Oct to 04:52 on Mon 12 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-10-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-10-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1953, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-10-12T04:51:54-04:00", "utc": "2099-10-12T08:51:54Z", "ms": 4095478314175.485 }, "end": { "local": "2099-10-13T01:15:14-04:00", "utc": "2099-10-13T05:15:14Z", "ms": 4095551713511.7334 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-12T04:51:54-04:00", "utc": "2099-10-12T08:51:54Z", "ms": 4095478314175.485 }, "end": { "local": "2099-10-13T01:15:14-04:00", "utc": "2099-10-13T05:15:14Z", "ms": 4095551713511.7334 } }, "kaala": "nishita", "days": [ { "local_date": "2099-10-11", "window": { "start": { "local": "2099-10-11T23:54:55-04:00", "utc": "2099-10-12T03:54:55Z", "ms": 4095460495225.55 }, "end": { "local": "2099-10-12T00:42:55-04:00", "utc": "2099-10-12T04:42:55Z", "ms": 4095463375225.55 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-10-12", "window": { "start": { "local": "2099-10-12T23:54:41-04:00", "utc": "2099-10-13T03:54:41Z", "ms": 4095546880502.592 }, "end": { "local": "2099-10-13T00:42:41-04:00", "utc": "2099-10-13T04:42:41Z", "ms": 4095549760502.592 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:52 on Mon 12 Oct to 01:15 on Tue 13 Oct.", "fact": "2099-10-12T08:51:54Z → 2099-10-13T05:15:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:55–00:43 on the 11th, 23:55–00:43 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1953 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Monday 12 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": "2099-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-12", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 2099 falls on Monday 12 October. Caturdaśī runs from 04:52 on Mon 12 Oct to 01:15 on Tue 13 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20488, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2099-10-13T01:15:14-04:00", "utc": "2099-10-13T05:15:14Z", "ms": 4095551713511.7334 }, "end": { "local": "2099-10-13T21:34:17-04:00", "utc": "2099-10-14T01:34:17Z", "ms": 4095624857479.926 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-13T01:15:14-04:00", "utc": "2099-10-13T05:15:14Z", "ms": 4095551713511.7334 }, "end": { "local": "2099-10-13T21:34:17-04:00", "utc": "2099-10-14T01:34:17Z", "ms": 4095624857479.926 } }, "kaala": "aparahna", "days": [ { "local_date": "2099-10-12", "window": { "start": { "local": "2099-10-12T13:30:11-04:00", "utc": "2099-10-12T17:30:11Z", "ms": 4095509410827.3037 }, "end": { "local": "2099-10-12T15:53:13-04:00", "utc": "2099-10-12T19:53:13Z", "ms": 4095517993085.163 } }, "covered_min": 0, "window_min": 143, "qualifies": false }, { "local_date": "2099-10-13", "window": { "start": { "local": "2099-10-13T13:29:53-04:00", "utc": "2099-10-13T17:29:53Z", "ms": 4095595793188.8335 }, "end": { "local": "2099-10-13T15:52:49-04:00", "utc": "2099-10-13T19:52:49Z", "ms": 4095604369031.058 } }, "covered_min": 143, "window_min": 143, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 01:15 on Tue 13 Oct to 21:34 on Tue 13 Oct.", "fact": "2099-10-13T05:15:14Z → 2099-10-14T01:34:17Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:30–15:53 on the 12th, 13:30–15:53 on the 13th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 143 minutes on the 12th and 143 of 143 on the 13th.", "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 20488 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Valencia, 2099: Tuesday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-13", "confidence": "determinate" } ], "quote": "In Valencia, Mahālaya Amāvāsyā 2099 falls on Tuesday 13 October. Amāvasyā runs from 01:15 on Tue 13 Oct to 21:34 on Tue 13 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19011, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2099-10-13T21:34:17-04:00", "utc": "2099-10-14T01:34:17Z", "ms": 4095624857479.926 }, "end": { "local": "2099-10-14T17:59:03-04:00", "utc": "2099-10-14T21:59:03Z", "ms": 4095698342841.6387 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-13T21:34:17-04:00", "utc": "2099-10-14T01:34:17Z", "ms": 4095624857479.926 }, "end": { "local": "2099-10-14T17:59:03-04:00", "utc": "2099-10-14T21:59:03Z", "ms": 4095698342841.6387 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-10-13", "window": { "start": { "local": "2099-10-13T11:54:25-04:00", "utc": "2099-10-13T15:54:25Z", "ms": 4095590065267.7217 }, "end": { "local": "2099-10-13T12:42:25-04:00", "utc": "2099-10-13T16:42:25Z", "ms": 4095592945267.7217 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-10-14", "window": { "start": { "local": "2099-10-14T11:54:11-04:00", "utc": "2099-10-14T15:54:11Z", "ms": 4095676451376.532 }, "end": { "local": "2099-10-14T12:42:11-04:00", "utc": "2099-10-14T16:42:11Z", "ms": 4095679331376.532 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:34 on Tue 13 Oct to 17:59 on Wed 14 Oct.", "fact": "2099-10-14T01:34:17Z → 2099-10-14T21:59:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 13th, 11:54–12:42 on the 14th.", "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 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19011 s" }, { "step": "ruling", "text": "Navarātrārambha, Valencia, 2099: Wednesday 14 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-14", "confidence": "determinate" } ], "quote": "In Valencia, Navarātrārambha (Navratri) 2099 falls on Wednesday 14 October. Pratipadā runs from 21:34 on Tue 13 Oct to 17:59 on Wed 14 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-10-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 459, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-10-16T11:46:06-04:00", "utc": "2099-10-16T15:46:06Z", "ms": 4095848766466.6353 }, "end": { "local": "2099-10-17T09:27:39-04:00", "utc": "2099-10-17T13:27:39Z", "ms": 4095926859432.3643 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-16T11:46:06-04:00", "utc": "2099-10-16T15:46:06Z", "ms": 4095848766466.6353 }, "end": { "local": "2099-10-17T09:27:39-04:00", "utc": "2099-10-17T13:27:39Z", "ms": 4095926859432.3643 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-10-16", "window": { "start": { "local": "2099-10-16T11:53:45-04:00", "utc": "2099-10-16T15:53:45Z", "ms": 4095849225264.256 }, "end": { "local": "2099-10-16T12:41:45-04:00", "utc": "2099-10-16T16:41:45Z", "ms": 4095852105264.256 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-10-17", "window": { "start": { "local": "2099-10-17T11:53:33-04:00", "utc": "2099-10-17T15:53:33Z", "ms": 4095935613069.3438 }, "end": { "local": "2099-10-17T12:41:33-04:00", "utc": "2099-10-17T16:41:33Z", "ms": 4095938493069.3438 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:46 on Fri 16 Oct to 09:28 on Sat 17 Oct.", "fact": "2099-10-16T15:46:06Z → 2099-10-17T13:27:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 16th, 11:54–12:42 on the 17th.", "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 16th and 0 of 48 on the 17th.", "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 459 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Friday 16 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": "2099-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-16", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Friday 16 October. Caturthī runs from 11:46 on Fri 16 Oct to 09:28 on Sat 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-19", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 4, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2099-10-19T07:05:06-04:00", "utc": "2099-10-19T11:05:06Z", "ms": 4096091106120.9526 }, "end": { "local": "2099-10-20T07:08:51-04:00", "utc": "2099-10-20T11:08:51Z", "ms": 4096177731035.51 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-19T07:05:06-04:00", "utc": "2099-10-19T11:05:06Z", "ms": 4096091106120.9526 }, "end": { "local": "2099-10-20T07:08:51-04:00", "utc": "2099-10-20T11:08:51Z", "ms": 4096177731035.51 } }, "kaala": "udaya-1", "days": [ { "local_date": "2099-10-19", "window": { "start": { "local": "2099-10-19T06:21:26-04:00", "utc": "2099-10-19T10:21:26Z", "ms": 4096088485659.271 }, "end": { "local": "2099-10-19T07:08:52-04:00", "utc": "2099-10-19T11:08:52Z", "ms": 4096091331634.254 } }, "covered_min": 4, "window_min": 47, "qualifies": false }, { "local_date": "2099-10-20", "window": { "start": { "local": "2099-10-20T06:21:31-04:00", "utc": "2099-10-20T10:21:31Z", "ms": 4096174890806.788 }, "end": { "local": "2099-10-20T07:08:55-04:00", "utc": "2099-10-20T11:08:55Z", "ms": 4096177734712.374 } }, "covered_min": 47, "window_min": 47, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:05 on Mon 19 Oct to 07:09 on Tue 20 Oct.", "fact": "2099-10-19T11:05:06Z → 2099-10-20T11:08:51Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:21–07:09 on the 19th, 06:22–07:09 on the 20th.", "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 4 of 47 minutes on the 19th and 47 of 47 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither morning qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 4 s < 300 s" }, { "step": "ruling", "text": "Durgā Saptamī, Valencia, 2099: Monday 19 October.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "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": "2099-10-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-20", "confidence": "boundary" } ], "quote": "In Valencia, Durgā Saptamī 2099 falls on Monday 19 October. Saptamī runs from 07:05 on Mon 19 Oct to 07:09 on Tue 20 Oct, and reaches the first muhūrta after sunrise on neither day. It is 0 min 04 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13866, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2099-10-20T07:08:51-04:00", "utc": "2099-10-20T11:08:51Z", "ms": 4096177731035.51 }, "end": { "local": "2099-10-21T08:01:45-04:00", "utc": "2099-10-21T12:01:45Z", "ms": 4096267304787.8755 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-20T07:08:51-04:00", "utc": "2099-10-20T11:08:51Z", "ms": 4096177731035.51 }, "end": { "local": "2099-10-21T08:01:45-04:00", "utc": "2099-10-21T12:01:45Z", "ms": 4096267304787.8755 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-10-20", "window": { "start": { "local": "2099-10-20T11:53:00-04:00", "utc": "2099-10-20T15:53:00Z", "ms": 4096194780098.6836 }, "end": { "local": "2099-10-20T12:41:00-04:00", "utc": "2099-10-20T16:41:00Z", "ms": 4096197660098.6836 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-10-21", "window": { "start": { "local": "2099-10-21T11:52:50-04:00", "utc": "2099-10-21T15:52:50Z", "ms": 4096281170363.69 }, "end": { "local": "2099-10-21T12:40:50-04:00", "utc": "2099-10-21T16:40:50Z", "ms": 4096284050363.69 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:09 on Tue 20 Oct to 08:02 on Wed 21 Oct.", "fact": "2099-10-20T11:08:51Z → 2099-10-21T12:01:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 20th, 11:53–12:41 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13866 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Valencia, 2099: Tuesday 20 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": "2099-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-20", "confidence": "determinate" } ], "quote": "In Valencia, Mahāṣṭamī (Durga Ashtami) 2099 falls on Tuesday 20 October. Aṣṭamī runs from 07:09 on Tue 20 Oct to 08:02 on Wed 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8084, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2099-10-21T08:01:45-04:00", "utc": "2099-10-21T12:01:45Z", "ms": 4096267304787.8755 }, "end": { "local": "2099-10-22T09:37:57-04:00", "utc": "2099-10-22T13:37:57Z", "ms": 4096359477382.906 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-21T08:01:45-04:00", "utc": "2099-10-21T12:01:45Z", "ms": 4096267304787.8755 }, "end": { "local": "2099-10-22T09:37:57-04:00", "utc": "2099-10-22T13:37:57Z", "ms": 4096359477382.906 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-10-21", "window": { "start": { "local": "2099-10-21T11:52:50-04:00", "utc": "2099-10-21T15:52:50Z", "ms": 4096281170363.69 }, "end": { "local": "2099-10-21T12:40:50-04:00", "utc": "2099-10-21T16:40:50Z", "ms": 4096284050363.69 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-10-22", "window": { "start": { "local": "2099-10-22T11:52:41-04:00", "utc": "2099-10-22T15:52:41Z", "ms": 4096367561282.5386 }, "end": { "local": "2099-10-22T12:40:41-04:00", "utc": "2099-10-22T16:40:41Z", "ms": 4096370441282.5386 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:02 on Wed 21 Oct to 09:38 on Thu 22 Oct.", "fact": "2099-10-21T12:01:45Z → 2099-10-22T13:37:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 21st, 11:53–12:41 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8084 s" }, { "step": "ruling", "text": "Mahānavamī, Valencia, 2099: Wednesday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-21", "confidence": "determinate" } ], "quote": "In Valencia, Mahānavamī 2099 falls on Wednesday 21 October. Navamī runs from 08:02 on Wed 21 Oct to 09:38 on Thu 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7912, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2099-10-22T09:37:57-04:00", "utc": "2099-10-22T13:37:57Z", "ms": 4096359477382.906 }, "end": { "local": "2099-10-23T11:47:59-04:00", "utc": "2099-10-23T15:47:59Z", "ms": 4096453679365.9116 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2099-10-22T09:37:57-04:00", "utc": "2099-10-22T13:37:57Z", "ms": 4096359477382.906 }, "end": { "local": "2099-10-22T11:49:50-04:00", "utc": "2099-10-22T15:49:50Z", "ms": 4096367389663.36 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2099-10-21T09:38:51-04:00", "utc": "2099-10-21T13:38:51Z", "ms": 4096273131129.7515 }, "end": { "local": "2099-10-22T11:49:50-04:00", "utc": "2099-10-22T15:49:50Z", "ms": 4096367389663.36 } } }, "kaala": "daytime", "days": [ { "local_date": "2099-10-21", "window": { "start": { "local": "2099-10-21T06:21:37-04:00", "utc": "2099-10-21T10:21:37Z", "ms": 4096261296501.6147 }, "end": { "local": "2099-10-21T18:12:04-04:00", "utc": "2099-10-21T22:12:04Z", "ms": 4096303924225.765 } }, "covered_min": 0, "window_min": 710, "qualifies": false }, { "local_date": "2099-10-22", "window": { "start": { "local": "2099-10-22T06:21:43-04:00", "utc": "2099-10-22T10:21:43Z", "ms": 4096347702755.523 }, "end": { "local": "2099-10-22T18:11:40-04:00", "utc": "2099-10-22T22:11:40Z", "ms": 4096390299809.554 } }, "covered_min": 132, "window_min": 710, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 09:38 on Thu 22 Oct to 11:48 on Fri 23 Oct, and Śravaṇa from 09:39 on Wed 21 Oct to 11:50 on Thu 22 Oct. They are together from 09:38 on Thu 22 Oct to 11:50 on Thu 22 Oct.", "fact": "2099-10-22T13:37:57Z → 2099-10-22T15:49:50Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:22–18:12 on the 21st, 06:22–18:12 on the 22nd.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 710 minutes on the 21st and 132 of 710 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7912 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Valencia, 2099: Thursday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-22", "confidence": "determinate" } ], "quote": "In Valencia, Vijayā Daśamī (Dussehra) 2099 falls on Thursday 22 October. Daśamī runs from 09:38 on Thu 22 Oct to 11:48 on Fri 23 Oct and is with Śravaṇa in the day time that day, for 132 minutes.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-10-24", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19570, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-10-23T11:47:59-04:00", "utc": "2099-10-23T15:47:59Z", "ms": 4096453679365.9116 }, "end": { "local": "2099-10-24T14:20:01-04:00", "utc": "2099-10-24T18:20:01Z", "ms": 4096549200620.9746 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-23T11:47:59-04:00", "utc": "2099-10-23T15:47:59Z", "ms": 4096453679365.9116 }, "end": { "local": "2099-10-24T14:20:01-04:00", "utc": "2099-10-24T18:20:01Z", "ms": 4096549200620.9746 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-10-23", "window": { "start": { "local": "2099-10-23T06:21:50-04:00", "utc": "2099-10-23T10:21:50Z", "ms": 4096434109580.381 }, "end": { "local": "2099-10-23T06:21:50-04:00", "utc": "2099-10-23T10:21:50Z", "ms": 4096434109580.381 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-10-24", "window": { "start": { "local": "2099-10-24T06:21:57-04:00", "utc": "2099-10-24T10:21:57Z", "ms": 4096520516988.012 }, "end": { "local": "2099-10-24T06:21:57-04:00", "utc": "2099-10-24T10:21:57Z", "ms": 4096520516988.012 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:48 on Fri 23 Oct to 14:20 on Sat 24 Oct.", "fact": "2099-10-23T15:47:59Z → 2099-10-24T18:20:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 23rd and 06:22 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 19570 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Valencia, 2099: Saturday 24 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": "2099-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-24", "confidence": "determinate" } ], "quote": "In Valencia, Pāśāṅkuśā Ekādaśī 2099 falls on Saturday 24 October. Ekādaśī runs from 11:48 on Fri 23 Oct to 14:20 on Sat 24 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-10-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-10-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-10-25", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 379, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-10-25T17:01:36-04:00", "utc": "2099-10-25T21:01:36Z", "ms": 4096645296492.014 }, "end": { "local": "2099-10-26T19:41:29-04:00", "utc": "2099-10-26T23:41:29Z", "ms": 4096741289068.327 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2099-10-25T17:01:36-04:00", "utc": "2099-10-25T21:01:36Z", "ms": 4096645296492.014 }, "end": { "local": "2099-10-26T19:41:29-04:00", "utc": "2099-10-26T23:41:29Z", "ms": 4096741289068.327 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-10-25", "window": { "start": { "local": "2099-10-25T18:10:31-04:00", "utc": "2099-10-25T22:10:31Z", "ms": 4096649431253.1836 }, "end": { "local": "2099-10-25T19:48:05-04:00", "utc": "2099-10-25T23:48:05Z", "ms": 4096655284899.1724 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2099-10-26", "window": { "start": { "local": "2099-10-26T18:10:10-04:00", "utc": "2099-10-26T22:10:10Z", "ms": 4096735810031.7407 }, "end": { "local": "2099-10-26T19:47:48-04:00", "utc": "2099-10-26T23:47:48Z", "ms": 4096741667737.265 } }, "covered_min": 91, "window_min": 98, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:02 on Sun 25 Oct to 19:41 on Mon 26 Oct.", "fact": "2099-10-25T21:01:36Z → 2099-10-26T23:41:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:48 on the 25th, 18:10–19:48 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 98 of 98 minutes on the 25th and 91 of 98 on the 26th.", "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 379 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Sunday 25 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": "2099-10-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-10-25", "confidence": "boundary" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Sunday 25 October. Trayodaśī runs from 17:02 on Sun 25 Oct to 19:41 on Mon 26 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 91 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/valencia/festivals/2099/pradosha-vrata?on=2099-10-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30076, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-11-01T04:42:32-04:00", "utc": "2099-11-01T08:42:32Z", "ms": 4097205751598.321 }, "end": { "local": "2099-11-02T05:18:46-04:00", "utc": "2099-11-02T09:18:46Z", "ms": 4097294325566.5 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-01T04:42:32-04:00", "utc": "2099-11-01T08:42:32Z", "ms": 4097205751598.321 }, "end": { "local": "2099-11-02T05:18:46-04:00", "utc": "2099-11-02T09:18:46Z", "ms": 4097294325566.5 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-10-31", "window": { "start": { "local": "2099-10-31T20:04:14-04:00", "utc": "2099-11-01T00:04:14Z", "ms": 4097174653703.1426 }, "end": { "local": "2099-10-31T20:04:14-04:00", "utc": "2099-11-01T00:04:14Z", "ms": 4097174653703.1426 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-11-01", "window": { "start": { "local": "2099-11-01T20:57:29-04:00", "utc": "2099-11-02T00:57:29Z", "ms": 4097264249283.5654 }, "end": { "local": "2099-11-01T20:57:29-04:00", "utc": "2099-11-02T00:57:29Z", "ms": 4097264249283.5654 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:43 on Sun 1 Nov to 05:19 on Mon 2 Nov.", "fact": "2099-11-01T08:42:32Z → 2099-11-02T09:18:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:04 on the 31st and 20:57 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 31st and is on the 1st.", "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 30076 s" }, { "step": "ruling", "text": "Karaka Caturthī, Valencia, 2099: Sunday 1 November.", "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": "2099-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-01", "confidence": "determinate" } ], "quote": "In Valencia, Karaka Caturthī (Karwa Chauth) 2099 falls on Sunday 1 November. Caturthī runs from 04:43 on Sun 1 Nov to 05:19 on Mon 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-11-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30076, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-11-01T04:42:32-04:00", "utc": "2099-11-01T08:42:32Z", "ms": 4097205751598.321 }, "end": { "local": "2099-11-02T05:18:46-04:00", "utc": "2099-11-02T09:18:46Z", "ms": 4097294325566.5 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-01T04:42:32-04:00", "utc": "2099-11-01T08:42:32Z", "ms": 4097205751598.321 }, "end": { "local": "2099-11-02T05:18:46-04:00", "utc": "2099-11-02T09:18:46Z", "ms": 4097294325566.5 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-10-31", "window": { "start": { "local": "2099-10-31T20:04:14-04:00", "utc": "2099-11-01T00:04:14Z", "ms": 4097174653703.1426 }, "end": { "local": "2099-10-31T20:04:14-04:00", "utc": "2099-11-01T00:04:14Z", "ms": 4097174653703.1426 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-11-01", "window": { "start": { "local": "2099-11-01T20:57:29-04:00", "utc": "2099-11-02T00:57:29Z", "ms": 4097264249283.5654 }, "end": { "local": "2099-11-01T20:57:29-04:00", "utc": "2099-11-02T00:57:29Z", "ms": 4097264249283.5654 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:43 on Sun 1 Nov to 05:19 on Mon 2 Nov.", "fact": "2099-11-01T08:42:32Z → 2099-11-02T09:18:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:04 on the 31st and 20:57 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 31st and is on the 1st.", "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 30076 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Sunday 1 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": "2099-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-01", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Sunday 1 November. Caturthī runs from 04:43 on Sun 1 Nov to 05:19 on Mon 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-11-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8022, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2099-11-05T04:19:55-04:00", "utc": "2099-11-05T08:19:55Z", "ms": 4097549994712.54 }, "end": { "local": "2099-11-06T03:00:58-04:00", "utc": "2099-11-06T07:00:58Z", "ms": 4097631657920.7173 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-05T04:19:55-04:00", "utc": "2099-11-05T08:19:55Z", "ms": 4097549994712.54 }, "end": { "local": "2099-11-06T03:00:58-04:00", "utc": "2099-11-06T07:00:58Z", "ms": 4097631657920.7173 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-11-04", "window": { "start": { "local": "2099-11-04T23:50:23-04:00", "utc": "2099-11-05T03:50:23Z", "ms": 4097533823245.946 }, "end": { "local": "2099-11-04T23:50:23-04:00", "utc": "2099-11-05T03:50:23Z", "ms": 4097533823245.946 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-11-05", "window": { "start": { "local": "2099-11-06T00:47:16-04:00", "utc": "2099-11-06T04:47:16Z", "ms": 4097623635735.1616 }, "end": { "local": "2099-11-06T00:47:16-04:00", "utc": "2099-11-06T04:47:16Z", "ms": 4097623635735.1616 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:20 on Thu 5 Nov to 03:01 on Fri 6 Nov.", "fact": "2099-11-05T08:19:55Z → 2099-11-06T07:00:58Z" }, { "step": "kaala", "text": "Moonrise is at 23:50 on the 4th and 00:47 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 4th and is on the 5th.", "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 8022 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Valencia, 2099: Thursday 5 November.", "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": "2099-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-05", "confidence": "determinate" } ], "quote": "In Valencia, Ahoyī Aṣṭamī 2099 falls on Thursday 5 November. Aṣṭamī runs from 04:20 on Thu 5 Nov to 03:01 on Fri 6 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-11-08", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26981, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-11-07T22:55:24-04:00", "utc": "2099-11-08T02:55:24Z", "ms": 4097789723728.974 }, "end": { "local": "2099-11-08T20:14:04-04:00", "utc": "2099-11-09T00:14:04Z", "ms": 4097866444053.5645 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-07T22:55:24-04:00", "utc": "2099-11-08T02:55:24Z", "ms": 4097789723728.974 }, "end": { "local": "2099-11-08T20:14:04-04:00", "utc": "2099-11-09T00:14:04Z", "ms": 4097866444053.5645 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-11-08", "window": { "start": { "local": "2099-11-08T06:25:05-04:00", "utc": "2099-11-08T10:25:05Z", "ms": 4097816704888.603 }, "end": { "local": "2099-11-08T06:25:05-04:00", "utc": "2099-11-08T10:25:05Z", "ms": 4097816704888.603 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-11-09", "window": { "start": { "local": "2099-11-09T06:25:23-04:00", "utc": "2099-11-09T10:25:23Z", "ms": 4097903122825.915 }, "end": { "local": "2099-11-09T06:25:23-04:00", "utc": "2099-11-09T10:25:23Z", "ms": 4097903122825.915 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:55 on Sat 7 Nov to 20:14 on Sun 8 Nov.", "fact": "2099-11-08T02:55:24Z → 2099-11-09T00:14:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 8th and 06:25 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 26981 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Valencia, 2099: Sunday 8 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": "2099-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-08", "confidence": "determinate" } ], "quote": "In Valencia, Ramā Ekādaśī 2099 falls on Sunday 8 November. Ekādaśī runs from 22:55 on Sat 7 Nov to 20:14 on Sun 8 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-11-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-08", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1719, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2099-11-08T20:14:04-04:00", "utc": "2099-11-09T00:14:04Z", "ms": 4097866444053.5645 }, "end": { "local": "2099-11-09T17:13:27-04:00", "utc": "2099-11-09T21:13:27Z", "ms": 4097942007368.739 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-08T20:14:04-04:00", "utc": "2099-11-09T00:14:04Z", "ms": 4097866444053.5645 }, "end": { "local": "2099-11-09T17:13:27-04:00", "utc": "2099-11-09T21:13:27Z", "ms": 4097942007368.739 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-11-08", "window": { "start": { "local": "2099-11-08T18:06:58-04:00", "utc": "2099-11-08T22:06:58Z", "ms": 4097858817949.5605 }, "end": { "local": "2099-11-08T19:45:25-04:00", "utc": "2099-11-08T23:45:25Z", "ms": 4097864725266.4077 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2099-11-09", "window": { "start": { "local": "2099-11-09T18:06:50-04:00", "utc": "2099-11-09T22:06:50Z", "ms": 4097945210165.8696 }, "end": { "local": "2099-11-09T19:45:21-04:00", "utc": "2099-11-09T23:45:21Z", "ms": 4097951121002.5776 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:14 on Sun 8 Nov to 17:13 on Mon 9 Nov.", "fact": "2099-11-09T00:14:04Z → 2099-11-09T21:13:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:45 on the 8th, 18:07–19:45 on the 9th.", "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 98 minutes on the 8th and 0 of 99 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 1719 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Valencia, 2099: Sunday 8 November.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2099-11-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-08", "confidence": "determinate" } ], "quote": "In Valencia, Govatsa Dvādaśī (Vasu Baras) 2099 falls on Sunday 8 November. Dvādaśī runs from 20:14 on Sun 8 Nov to 17:13 on Mon 9 Nov, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3203, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-11-09T17:13:27-04:00", "utc": "2099-11-09T21:13:27Z", "ms": 4097942007368.739 }, "end": { "local": "2099-11-10T14:00:27-04:00", "utc": "2099-11-10T18:00:27Z", "ms": 4098016826925.3267 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-09T17:13:27-04:00", "utc": "2099-11-09T21:13:27Z", "ms": 4097942007368.739 }, "end": { "local": "2099-11-10T14:00:27-04:00", "utc": "2099-11-10T18:00:27Z", "ms": 4098016826925.3267 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-11-09", "window": { "start": { "local": "2099-11-09T18:06:50-04:00", "utc": "2099-11-09T22:06:50Z", "ms": 4097945210165.8696 }, "end": { "local": "2099-11-09T19:45:21-04:00", "utc": "2099-11-09T23:45:21Z", "ms": 4097951121002.5776 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2099-11-10", "window": { "start": { "local": "2099-11-10T18:06:43-04:00", "utc": "2099-11-10T22:06:43Z", "ms": 4098031603433.8857 }, "end": { "local": "2099-11-10T19:45:18-04:00", "utc": "2099-11-10T23:45:18Z", "ms": 4098037517739.478 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:13 on Mon 9 Nov to 14:00 on Tue 10 Nov.", "fact": "2099-11-09T21:13:27Z → 2099-11-10T18:00:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:45 on the 9th, 18:07–19:45 on the 10th.", "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 9th and 0 of 99 on the 10th.", "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 3203 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Valencia, 2099: Monday 9 November.", "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": "2099-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-09", "confidence": "determinate" } ], "quote": "In Valencia, Yama Dīpadāna 2099 falls on Monday 9 November. Trayodaśī runs from 17:13 on Mon 9 Nov to 14:00 on Tue 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/pradosha-vrata?on=2099-11-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3203, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-11-09T17:13:27-04:00", "utc": "2099-11-09T21:13:27Z", "ms": 4097942007368.739 }, "end": { "local": "2099-11-10T14:00:27-04:00", "utc": "2099-11-10T18:00:27Z", "ms": 4098016826925.3267 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-09T17:13:27-04:00", "utc": "2099-11-09T21:13:27Z", "ms": 4097942007368.739 }, "end": { "local": "2099-11-10T14:00:27-04:00", "utc": "2099-11-10T18:00:27Z", "ms": 4098016826925.3267 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-11-09", "window": { "start": { "local": "2099-11-09T18:06:50-04:00", "utc": "2099-11-09T22:06:50Z", "ms": 4097945210165.8696 }, "end": { "local": "2099-11-09T19:45:21-04:00", "utc": "2099-11-09T23:45:21Z", "ms": 4097951121002.5776 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2099-11-10", "window": { "start": { "local": "2099-11-10T18:06:43-04:00", "utc": "2099-11-10T22:06:43Z", "ms": 4098031603433.8857 }, "end": { "local": "2099-11-10T19:45:18-04:00", "utc": "2099-11-10T23:45:18Z", "ms": 4098037517739.478 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:13 on Mon 9 Nov to 14:00 on Tue 10 Nov.", "fact": "2099-11-09T21:13:27Z → 2099-11-10T18:00:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:45 on the 9th, 18:07–19:45 on the 10th.", "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 9th and 0 of 99 on the 10th.", "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 3203 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Monday 9 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": "2099-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-09", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Monday 9 November. Trayodaśī runs from 17:13 on Mon 9 Nov to 14:00 on Tue 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-11-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-11-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35515, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-11-10T14:00:27-04:00", "utc": "2099-11-10T18:00:27Z", "ms": 4098016826925.3267 }, "end": { "local": "2099-11-11T10:43:20-04:00", "utc": "2099-11-11T14:43:20Z", "ms": 4098091400319.57 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-10T14:00:27-04:00", "utc": "2099-11-10T18:00:27Z", "ms": 4098016826925.3267 }, "end": { "local": "2099-11-11T10:43:20-04:00", "utc": "2099-11-11T14:43:20Z", "ms": 4098091400319.57 } }, "kaala": "nishita", "days": [ { "local_date": "2099-11-10", "window": { "start": { "local": "2099-11-10T23:52:22-04:00", "utc": "2099-11-11T03:52:22Z", "ms": 4098052342079.856 }, "end": { "local": "2099-11-11T00:40:22-04:00", "utc": "2099-11-11T04:40:22Z", "ms": 4098055222079.856 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-11-11", "window": { "start": { "local": "2099-11-11T23:52:29-04:00", "utc": "2099-11-12T03:52:29Z", "ms": 4098138749212.948 }, "end": { "local": "2099-11-12T00:40:29-04:00", "utc": "2099-11-12T04:40:29Z", "ms": 4098141629212.948 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:00 on Tue 10 Nov to 10:43 on Wed 11 Nov.", "fact": "2099-11-10T18:00:27Z → 2099-11-11T14:43:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 10th, 23:52–00:40 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35515 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Tuesday 10 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": "2099-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-10", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 2099 falls on Tuesday 10 November. Caturdaśī runs from 14:00 on Tue 10 Nov to 10:43 on Wed 11 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15440, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-11-10T14:00:27-04:00", "utc": "2099-11-10T18:00:27Z", "ms": 4098016826925.3267 }, "end": { "local": "2099-11-11T10:43:20-04:00", "utc": "2099-11-11T14:43:20Z", "ms": 4098091400319.57 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-10T14:00:27-04:00", "utc": "2099-11-10T18:00:27Z", "ms": 4098016826925.3267 }, "end": { "local": "2099-11-11T10:43:20-04:00", "utc": "2099-11-11T14:43:20Z", "ms": 4098091400319.57 } }, "kaala": "arunodaya", "days": [ { "local_date": "2099-11-10", "window": { "start": { "local": "2099-11-10T04:47:11-04:00", "utc": "2099-11-10T08:47:11Z", "ms": 4097983630604.473 }, "end": { "local": "2099-11-10T06:25:41-04:00", "utc": "2099-11-10T10:25:41Z", "ms": 4097989541441.181 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2099-11-11", "window": { "start": { "local": "2099-11-11T04:47:26-04:00", "utc": "2099-11-11T08:47:26Z", "ms": 4098070046420.234 }, "end": { "local": "2099-11-11T06:26:01-04:00", "utc": "2099-11-11T10:26:01Z", "ms": 4098075960725.826 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:00 on Tue 10 Nov to 10:43 on Wed 11 Nov.", "fact": "2099-11-10T18:00:27Z → 2099-11-11T14:43:20Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:47–06:26 on the 10th, 04:47–06:26 on the 11th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 99 minutes on the 10th and 99 of 99 on the 11th.", "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 15440 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Valencia, 2099: Wednesday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-11", "confidence": "determinate" } ], "quote": "In Valencia, Naraka Caturdaśī (Choti Diwali) 2099 falls on Wednesday 11 November. Caturdaśī runs from 14:00 on Tue 10 Nov to 10:43 on Wed 11 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26597, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2099-11-11T10:43:20-04:00", "utc": "2099-11-11T14:43:20Z", "ms": 4098091400319.57 }, "end": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-11T10:43:20-04:00", "utc": "2099-11-11T14:43:20Z", "ms": 4098091400319.57 }, "end": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-11-11", "window": { "start": { "local": "2099-11-11T18:06:38-04:00", "utc": "2099-11-11T22:06:38Z", "ms": 4098117997756.719 }, "end": { "local": "2099-11-11T19:45:15-04:00", "utc": "2099-11-11T23:45:15Z", "ms": 4098123915478.3804 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2099-11-12", "window": { "start": { "local": "2099-11-12T18:06:33-04:00", "utc": "2099-11-12T22:06:33Z", "ms": 4098204393135.7295 }, "end": { "local": "2099-11-12T19:45:14-04:00", "utc": "2099-11-12T23:45:14Z", "ms": 4098210314218.82 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 10:43 on Wed 11 Nov to 07:32 on Thu 12 Nov.", "fact": "2099-11-11T14:43:20Z → 2099-11-12T11:31:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:45 on the 11th, 18:07–19:45 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 99 of 99 minutes on the 11th and 0 of 99 on the 12th.", "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 26597 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Valencia, 2099: Wednesday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-11", "confidence": "determinate" } ], "quote": "In Valencia, Lakṣmī Pūjā (Diwali) 2099 falls on Wednesday 11 November. Amāvasyā runs from 10:43 on Wed 11 Nov to 07:32 on Thu 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24661, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2099-11-11T10:43:20-04:00", "utc": "2099-11-11T14:43:20Z", "ms": 4098091400319.57 }, "end": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-11T10:43:20-04:00", "utc": "2099-11-11T14:43:20Z", "ms": 4098091400319.57 }, "end": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 } }, "kaala": "nishita", "days": [ { "local_date": "2099-11-10", "window": { "start": { "local": "2099-11-10T23:52:22-04:00", "utc": "2099-11-11T03:52:22Z", "ms": 4098052342079.856 }, "end": { "local": "2099-11-11T00:40:22-04:00", "utc": "2099-11-11T04:40:22Z", "ms": 4098055222079.856 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-11-11", "window": { "start": { "local": "2099-11-11T23:52:29-04:00", "utc": "2099-11-12T03:52:29Z", "ms": 4098138749212.948 }, "end": { "local": "2099-11-12T00:40:29-04:00", "utc": "2099-11-12T04:40:29Z", "ms": 4098141629212.948 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 10:43 on Wed 11 Nov to 07:32 on Thu 12 Nov.", "fact": "2099-11-11T14:43:20Z → 2099-11-12T11:31:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 10th, 23:52–00:40 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24661 s" }, { "step": "ruling", "text": "Kālī Pūjā, Valencia, 2099: Wednesday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-11", "confidence": "determinate" } ], "quote": "In Valencia, Kālī Pūjā 2099 falls on Wednesday 11 November. Amāvasyā runs from 10:43 on Wed 11 Nov to 07:32 on Thu 12 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15657, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 }, "end": { "local": "2099-11-13T04:35:01-04:00", "utc": "2099-11-13T08:35:01Z", "ms": 4098242100946.0044 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 }, "end": { "local": "2099-11-13T04:35:01-04:00", "utc": "2099-11-13T08:35:01Z", "ms": 4098242100946.0044 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-11-12", "window": { "start": { "local": "2099-11-12T11:52:27-04:00", "utc": "2099-11-12T15:52:27Z", "ms": 4098181946902.4536 }, "end": { "local": "2099-11-12T12:40:27-04:00", "utc": "2099-11-12T16:40:27Z", "ms": 4098184826902.4536 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-11-13", "window": { "start": { "local": "2099-11-13T11:52:35-04:00", "utc": "2099-11-13T15:52:35Z", "ms": 4098268355414.991 }, "end": { "local": "2099-11-13T12:40:35-04:00", "utc": "2099-11-13T16:40:35Z", "ms": 4098271235414.991 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:32 on Thu 12 Nov to 04:35 on Fri 13 Nov.", "fact": "2099-11-12T11:31:30Z → 2099-11-13T08:35:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 12th, 11:53–12:41 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15657 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Valencia, 2099: Thursday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-12", "confidence": "determinate" } ], "quote": "In Valencia, Govardhana Pūjā 2099 falls on Thursday 12 November. Pratipadā runs from 07:32 on Thu 12 Nov to 04:35 on Fri 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31787, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 }, "end": { "local": "2099-11-13T04:35:01-04:00", "utc": "2099-11-13T08:35:01Z", "ms": 4098242100946.0044 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 }, "end": { "local": "2099-11-13T04:35:01-04:00", "utc": "2099-11-13T08:35:01Z", "ms": 4098242100946.0044 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-11-11", "window": { "start": { "local": "2099-11-11T18:06:38-04:00", "utc": "2099-11-11T22:06:38Z", "ms": 4098117997756.719 }, "end": { "local": "2099-11-11T19:45:15-04:00", "utc": "2099-11-11T23:45:15Z", "ms": 4098123915478.3804 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2099-11-12", "window": { "start": { "local": "2099-11-12T18:06:33-04:00", "utc": "2099-11-12T22:06:33Z", "ms": 4098204393135.7295 }, "end": { "local": "2099-11-12T19:45:14-04:00", "utc": "2099-11-12T23:45:14Z", "ms": 4098210314218.82 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:32 on Thu 12 Nov to 04:35 on Fri 13 Nov.", "fact": "2099-11-12T11:31:30Z → 2099-11-13T08:35:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:45 on the 11th, 18:07–19:45 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 99 minutes on the 11th and 99 of 99 on the 12th.", "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 31787 s" }, { "step": "ruling", "text": "Bali Pūjā, Valencia, 2099: Thursday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-12", "confidence": "determinate" } ], "quote": "In Valencia, Bali Pūjā 2099 falls on Thursday 12 November. Pratipadā runs from 07:32 on Thu 12 Nov to 04:35 on Fri 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3910, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 }, "end": { "local": "2099-11-13T04:35:01-04:00", "utc": "2099-11-13T08:35:01Z", "ms": 4098242100946.0044 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-12T07:31:30-04:00", "utc": "2099-11-12T11:31:30Z", "ms": 4098166290307.613 }, "end": { "local": "2099-11-13T04:35:01-04:00", "utc": "2099-11-13T08:35:01Z", "ms": 4098242100946.0044 } }, "kaala": "purvahna", "days": [ { "local_date": "2099-11-12", "window": { "start": { "local": "2099-11-12T06:26:21-04:00", "utc": "2099-11-12T10:26:21Z", "ms": 4098162380669.1777 }, "end": { "local": "2099-11-12T10:19:45-04:00", "utc": "2099-11-12T14:19:45Z", "ms": 4098176384824.695 } }, "covered_min": 168, "window_min": 233, "qualifies": true }, { "local_date": "2099-11-13", "window": { "start": { "local": "2099-11-13T06:26:41-04:00", "utc": "2099-11-13T10:26:41Z", "ms": 4098248801258.9053 }, "end": { "local": "2099-11-13T10:19:57-04:00", "utc": "2099-11-13T14:19:57Z", "ms": 4098262797362.9624 } }, "covered_min": 0, "window_min": 233, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:32 on Thu 12 Nov to 04:35 on Fri 13 Nov.", "fact": "2099-11-12T11:31:30Z → 2099-11-13T08:35:01Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:26–10:20 on the 12th, 06:27–10:20 on the 13th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 168 of 233 minutes on the 12th and 0 of 233 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3910 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Valencia, 2099: Thursday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-12", "confidence": "determinate" } ], "quote": "In Valencia, Dyūta Pratipad 2099 falls on Thursday 12 November. Pratipadā runs from 07:32 on Thu 12 Nov to 04:35 on Fri 13 Nov and covers 168 of 233 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26254, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2099-11-13T04:35:01-04:00", "utc": "2099-11-13T08:35:01Z", "ms": 4098242100946.0044 }, "end": { "local": "2099-11-14T02:04:07-04:00", "utc": "2099-11-14T06:04:07Z", "ms": 4098319447302.565 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-13T04:35:01-04:00", "utc": "2099-11-13T08:35:01Z", "ms": 4098242100946.0044 }, "end": { "local": "2099-11-14T02:04:07-04:00", "utc": "2099-11-14T06:04:07Z", "ms": 4098319447302.565 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-11-13", "window": { "start": { "local": "2099-11-13T11:52:35-04:00", "utc": "2099-11-13T15:52:35Z", "ms": 4098268355414.991 }, "end": { "local": "2099-11-13T12:40:35-04:00", "utc": "2099-11-13T16:40:35Z", "ms": 4098271235414.991 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-11-14", "window": { "start": { "local": "2099-11-14T11:52:45-04:00", "utc": "2099-11-14T15:52:45Z", "ms": 4098354764771.9463 }, "end": { "local": "2099-11-14T12:40:45-04:00", "utc": "2099-11-14T16:40:45Z", "ms": 4098357644771.9463 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:35 on Fri 13 Nov to 02:04 on Sat 14 Nov.", "fact": "2099-11-13T08:35:01Z → 2099-11-14T06:04:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 13th, 11:53–12:41 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26254 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Valencia, 2099: Friday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2099-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-13", "confidence": "determinate" } ], "quote": "In Valencia, Yama Dvitīyā (Bhai Dooj) 2099 falls on Friday 13 November. Dvitīyā runs from 04:35 on Fri 13 Nov to 02:04 on Sat 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36954, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-11-15T00:08:35-04:00", "utc": "2099-11-15T04:08:35Z", "ms": 4098398915347.591 }, "end": { "local": "2099-11-15T22:56:49-04:00", "utc": "2099-11-16T02:56:49Z", "ms": 4098481008585.9663 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-15T00:08:35-04:00", "utc": "2099-11-15T04:08:35Z", "ms": 4098398915347.591 }, "end": { "local": "2099-11-15T22:56:49-04:00", "utc": "2099-11-16T02:56:49Z", "ms": 4098481008585.9663 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-11-14", "window": { "start": { "local": "2099-11-14T11:52:45-04:00", "utc": "2099-11-14T15:52:45Z", "ms": 4098354764771.9463 }, "end": { "local": "2099-11-14T12:40:45-04:00", "utc": "2099-11-14T16:40:45Z", "ms": 4098357644771.9463 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-11-15", "window": { "start": { "local": "2099-11-15T11:52:55-04:00", "utc": "2099-11-15T15:52:55Z", "ms": 4098441174966.014 }, "end": { "local": "2099-11-15T12:40:55-04:00", "utc": "2099-11-15T16:40:55Z", "ms": 4098444054966.014 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:09 on Sun 15 Nov to 22:57 on Sun 15 Nov.", "fact": "2099-11-15T04:08:35Z → 2099-11-16T02:56:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 14th, 11:53–12:41 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36954 s" }, { "step": "ruling", "text": "Nāga Caturthī, Valencia, 2099: Sunday 15 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": "2099-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-15", "confidence": "determinate" } ], "quote": "In Valencia, Nāga Caturthī 2099 falls on Sunday 15 November. Caturthī runs from 00:09 on Sun 15 Nov to 22:57 on Sun 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-11-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36954, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-11-15T00:08:35-04:00", "utc": "2099-11-15T04:08:35Z", "ms": 4098398915347.591 }, "end": { "local": "2099-11-15T22:56:49-04:00", "utc": "2099-11-16T02:56:49Z", "ms": 4098481008585.9663 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-15T00:08:35-04:00", "utc": "2099-11-15T04:08:35Z", "ms": 4098398915347.591 }, "end": { "local": "2099-11-15T22:56:49-04:00", "utc": "2099-11-16T02:56:49Z", "ms": 4098481008585.9663 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-11-14", "window": { "start": { "local": "2099-11-14T11:52:45-04:00", "utc": "2099-11-14T15:52:45Z", "ms": 4098354764771.9463 }, "end": { "local": "2099-11-14T12:40:45-04:00", "utc": "2099-11-14T16:40:45Z", "ms": 4098357644771.9463 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-11-15", "window": { "start": { "local": "2099-11-15T11:52:55-04:00", "utc": "2099-11-15T15:52:55Z", "ms": 4098441174966.014 }, "end": { "local": "2099-11-15T12:40:55-04:00", "utc": "2099-11-15T16:40:55Z", "ms": 4098444054966.014 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:09 on Sun 15 Nov to 22:57 on Sun 15 Nov.", "fact": "2099-11-15T04:08:35Z → 2099-11-16T02:56:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 14th, 11:53–12:41 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36954 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Sunday 15 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": "2099-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-15", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Sunday 15 November. Caturthī runs from 00:09 on Sun 15 Nov to 22:57 on Sun 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35615, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2099-11-16T22:34:41-04:00", "utc": "2099-11-17T02:34:41Z", "ms": 4098566080914.164 }, "end": { "local": "2099-11-17T23:04:22-04:00", "utc": "2099-11-18T03:04:22Z", "ms": 4098654262408.8696 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-16T22:34:41-04:00", "utc": "2099-11-17T02:34:41Z", "ms": 4098566080914.164 }, "end": { "local": "2099-11-17T23:04:22-04:00", "utc": "2099-11-18T03:04:22Z", "ms": 4098654262408.8696 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-11-16", "window": { "start": { "local": "2099-11-16T11:53:06-04:00", "utc": "2099-11-16T15:53:06Z", "ms": 4098527585989.8154 }, "end": { "local": "2099-11-16T12:41:06-04:00", "utc": "2099-11-16T16:41:06Z", "ms": 4098530465989.8154 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-11-17", "window": { "start": { "local": "2099-11-17T11:53:18-04:00", "utc": "2099-11-17T15:53:18Z", "ms": 4098613997835.9707 }, "end": { "local": "2099-11-17T12:41:18-04:00", "utc": "2099-11-17T16:41:18Z", "ms": 4098616877835.9707 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:35 on Mon 16 Nov to 23:04 on Tue 17 Nov.", "fact": "2099-11-17T02:34:41Z → 2099-11-18T03:04:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 16th, 11:53–12:41 on the 17th.", "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 16th and 48 of 48 on the 17th.", "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 35615 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Valencia, 2099: Tuesday 17 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": "2099-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-17", "confidence": "determinate" } ], "quote": "In Valencia, Sūrya Ṣaṣṭhī (Chhath) 2099 falls on Tuesday 17 November. Ṣaṣṭhī runs from 22:35 on Mon 16 Nov to 23:04 on Tue 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34227, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2099-11-19T00:23:16-04:00", "utc": "2099-11-19T04:23:16Z", "ms": 4098745395782.019 }, "end": { "local": "2099-11-20T02:23:31-04:00", "utc": "2099-11-20T06:23:31Z", "ms": 4098839011030.378 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-19T00:23:16-04:00", "utc": "2099-11-19T04:23:16Z", "ms": 4098745395782.019 }, "end": { "local": "2099-11-20T02:23:31-04:00", "utc": "2099-11-20T06:23:31Z", "ms": 4098839011030.378 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-11-19", "window": { "start": { "local": "2099-11-19T11:53:44-04:00", "utc": "2099-11-19T15:53:44Z", "ms": 4098786823965.2466 }, "end": { "local": "2099-11-19T12:41:44-04:00", "utc": "2099-11-19T16:41:44Z", "ms": 4098789703965.2466 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-11-20", "window": { "start": { "local": "2099-11-20T11:53:58-04:00", "utc": "2099-11-20T15:53:58Z", "ms": 4098873238232.5527 }, "end": { "local": "2099-11-20T12:41:58-04:00", "utc": "2099-11-20T16:41:58Z", "ms": 4098876118232.5527 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:23 on Thu 19 Nov to 02:24 on Fri 20 Nov.", "fact": "2099-11-19T04:23:16Z → 2099-11-20T06:23:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 19th, 11:54–12:42 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34227 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Valencia, 2099: Thursday 19 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": "2099-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-19", "confidence": "determinate" } ], "quote": "In Valencia, Gopāṣṭamī 2099 falls on Thursday 19 November. Aṣṭamī runs from 00:23 on Thu 19 Nov to 02:24 on Fri 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5823, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2099-11-20T02:23:31-04:00", "utc": "2099-11-20T06:23:31Z", "ms": 4098839011030.378 }, "end": { "local": "2099-11-21T04:52:44-04:00", "utc": "2099-11-21T08:52:44Z", "ms": 4098934364409.883 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-20T02:23:31-04:00", "utc": "2099-11-20T06:23:31Z", "ms": 4098839011030.378 }, "end": { "local": "2099-11-21T04:52:44-04:00", "utc": "2099-11-21T08:52:44Z", "ms": 4098934364409.883 } }, "kaala": "purvahna", "days": [ { "local_date": "2099-11-20", "window": { "start": { "local": "2099-11-20T06:29:22-04:00", "utc": "2099-11-20T10:29:22Z", "ms": 4098853762324.923 }, "end": { "local": "2099-11-20T10:21:46-04:00", "utc": "2099-11-20T14:21:46Z", "ms": 4098867706263.343 } }, "covered_min": 232, "window_min": 232, "qualifies": true }, { "local_date": "2099-11-21", "window": { "start": { "local": "2099-11-21T06:29:48-04:00", "utc": "2099-11-21T10:29:48Z", "ms": 4098940187583.962 }, "end": { "local": "2099-11-21T10:22:05-04:00", "utc": "2099-11-21T14:22:05Z", "ms": 4098954124721.539 } }, "covered_min": 0, "window_min": 232, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:24 on Fri 20 Nov to 04:53 on Sat 21 Nov.", "fact": "2099-11-20T06:23:31Z → 2099-11-21T08:52:44Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:29–10:22 on the 20th, 06:30–10:22 on the 21st.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 232 of 232 minutes on the 20th and 0 of 232 on the 21st.", "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 5823 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Valencia, 2099: Friday 20 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": "2099-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-20", "confidence": "determinate" } ], "quote": "In Valencia, Akṣaya Navamī (Amla Navami) 2099 falls on Friday 20 November. Navamī runs from 02:24 on Fri 20 Nov to 04:53 on Sat 21 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25289, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2099-11-20T02:23:31-04:00", "utc": "2099-11-20T06:23:31Z", "ms": 4098839011030.378 }, "end": { "local": "2099-11-21T04:52:44-04:00", "utc": "2099-11-21T08:52:44Z", "ms": 4098934364409.883 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-20T02:23:31-04:00", "utc": "2099-11-20T06:23:31Z", "ms": 4098839011030.378 }, "end": { "local": "2099-11-21T04:52:44-04:00", "utc": "2099-11-21T08:52:44Z", "ms": 4098934364409.883 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-11-20", "window": { "start": { "local": "2099-11-20T11:53:58-04:00", "utc": "2099-11-20T15:53:58Z", "ms": 4098873238232.5527 }, "end": { "local": "2099-11-20T12:41:58-04:00", "utc": "2099-11-20T16:41:58Z", "ms": 4098876118232.5527 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-11-21", "window": { "start": { "local": "2099-11-21T11:54:13-04:00", "utc": "2099-11-21T15:54:13Z", "ms": 4098959653290.3276 }, "end": { "local": "2099-11-21T12:42:13-04:00", "utc": "2099-11-21T16:42:13Z", "ms": 4098962533290.3276 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:24 on Fri 20 Nov to 04:53 on Sat 21 Nov.", "fact": "2099-11-20T06:23:31Z → 2099-11-21T08:52:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 20th, 11:54–12:42 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25289 s" }, { "step": "ruling", "text": "Durgā Navamī, Valencia, 2099: Friday 20 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": "2099-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-20", "confidence": "determinate" } ], "quote": "In Valencia, Durgā Navamī 2099 falls on Friday 20 November. Navamī runs from 02:24 on Fri 20 Nov to 04:53 on Sat 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-11-23", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3934, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-11-22T07:35:48-04:00", "utc": "2099-11-22T11:35:48Z", "ms": 4099030547515.113 }, "end": { "local": "2099-11-23T10:17:20-04:00", "utc": "2099-11-23T14:17:20Z", "ms": 4099126639535.5293 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-22T07:35:48-04:00", "utc": "2099-11-22T11:35:48Z", "ms": 4099030547515.113 }, "end": { "local": "2099-11-23T10:17:20-04:00", "utc": "2099-11-23T14:17:20Z", "ms": 4099126639535.5293 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-11-22", "window": { "start": { "local": "2099-11-22T06:30:13-04:00", "utc": "2099-11-22T10:30:13Z", "ms": 4099026613361.057 }, "end": { "local": "2099-11-22T06:30:13-04:00", "utc": "2099-11-22T10:30:13Z", "ms": 4099026613361.057 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-11-23", "window": { "start": { "local": "2099-11-23T06:30:40-04:00", "utc": "2099-11-23T10:30:40Z", "ms": 4099113039640.242 }, "end": { "local": "2099-11-23T06:30:40-04:00", "utc": "2099-11-23T10:30:40Z", "ms": 4099113039640.242 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:36 on Sun 22 Nov to 10:17 on Mon 23 Nov.", "fact": "2099-11-22T11:35:48Z → 2099-11-23T14:17:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 22nd and 06:31 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3934 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Valencia, 2099: Monday 23 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": "2099-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-23", "confidence": "determinate" } ], "quote": "In Valencia, Prabodhinī Ekādaśī 2099 falls on Monday 23 November. Ekādaśī runs from 07:36 on Sun 22 Nov to 10:17 on Mon 23 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-11-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12001, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-11-24T12:44:13-04:00", "utc": "2099-11-24T16:44:13Z", "ms": 4099221852868.5576 }, "end": { "local": "2099-11-25T14:47:07-04:00", "utc": "2099-11-25T18:47:07Z", "ms": 4099315627383.883 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-24T12:44:13-04:00", "utc": "2099-11-24T16:44:13Z", "ms": 4099221852868.5576 }, "end": { "local": "2099-11-25T14:47:07-04:00", "utc": "2099-11-25T18:47:07Z", "ms": 4099315627383.883 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-11-24", "window": { "start": { "local": "2099-11-24T18:07:00-04:00", "utc": "2099-11-24T22:07:00Z", "ms": 4099241219816.788 }, "end": { "local": "2099-11-24T19:46:16-04:00", "utc": "2099-11-24T23:46:16Z", "ms": 4099247176326.2876 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2099-11-25", "window": { "start": { "local": "2099-11-25T18:07:09-04:00", "utc": "2099-11-25T22:07:09Z", "ms": 4099327628825.1953 }, "end": { "local": "2099-11-25T19:46:28-04:00", "utc": "2099-11-25T23:46:28Z", "ms": 4099333587824.7305 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:44 on Tue 24 Nov to 14:47 on Wed 25 Nov.", "fact": "2099-11-24T16:44:13Z → 2099-11-25T18:47:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:46 on the 24th, 18:07–19:46 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 99 of 99 minutes on the 24th and 0 of 99 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 12001 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Tuesday 24 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": "2099-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-24", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Tuesday 24 November. Trayodaśī runs from 12:44 on Tue 24 Nov to 14:47 on Wed 25 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-11-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23518, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-11-26T16:20:56-04:00", "utc": "2099-11-26T20:20:56Z", "ms": 4099407656407.7627 }, "end": { "local": "2099-11-27T17:24:16-04:00", "utc": "2099-11-27T21:24:16Z", "ms": 4099497855964.002 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-26T16:20:56-04:00", "utc": "2099-11-26T20:20:56Z", "ms": 4099407656407.7627 }, "end": { "local": "2099-11-27T17:24:16-04:00", "utc": "2099-11-27T21:24:16Z", "ms": 4099497855964.002 } }, "kaala": "nishita", "days": [ { "local_date": "2099-11-26", "window": { "start": { "local": "2099-11-26T23:55:54-04:00", "utc": "2099-11-27T03:55:54Z", "ms": 4099434954147.939 }, "end": { "local": "2099-11-27T00:43:54-04:00", "utc": "2099-11-27T04:43:54Z", "ms": 4099437834147.939 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-11-27", "window": { "start": { "local": "2099-11-27T23:56:14-04:00", "utc": "2099-11-28T03:56:14Z", "ms": 4099521373937.88 }, "end": { "local": "2099-11-28T00:44:14-04:00", "utc": "2099-11-28T04:44:14Z", "ms": 4099524253937.88 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:21 on Thu 26 Nov to 17:24 on Fri 27 Nov.", "fact": "2099-11-26T20:20:56Z → 2099-11-27T21:24:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:56–00:44 on the 26th, 23:56–00:44 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23518 s" }, { "step": "ruling", "text": "Rāsayātrā, Valencia, 2099: Thursday 26 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": "2099-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-26", "confidence": "determinate" } ], "quote": "In Valencia, Rāsayātrā 2099 falls on Thursday 26 November. Pūrṇimā runs from 16:21 on Thu 26 Nov to 17:24 on Fri 27 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13036, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-11-26T16:20:56-04:00", "utc": "2099-11-26T20:20:56Z", "ms": 4099407656407.7627 }, "end": { "local": "2099-11-27T17:24:16-04:00", "utc": "2099-11-27T21:24:16Z", "ms": 4099497855964.002 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2099-11-26T16:20:56-04:00", "utc": "2099-11-26T20:20:56Z", "ms": 4099407656407.7627 }, "end": { "local": "2099-11-27T17:24:16-04:00", "utc": "2099-11-27T21:24:16Z", "ms": 4099497855964.002 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-11-26", "window": { "start": { "local": "2099-11-26T11:55:40-04:00", "utc": "2099-11-26T15:55:40Z", "ms": 4099391740090.008 }, "end": { "local": "2099-11-26T12:43:40-04:00", "utc": "2099-11-26T16:43:40Z", "ms": 4099394620090.008 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-11-27", "window": { "start": { "local": "2099-11-27T11:56:00-04:00", "utc": "2099-11-27T15:56:00Z", "ms": 4099478159673.4062 }, "end": { "local": "2099-11-27T12:44:00-04:00", "utc": "2099-11-27T16:44:00Z", "ms": 4099481039673.4062 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:21 on Thu 26 Nov to 17:24 on Fri 27 Nov.", "fact": "2099-11-26T20:20:56Z → 2099-11-27T21:24:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 26th, 11:56–12:44 on the 27th.", "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 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13036 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Valencia, 2099: Friday 27 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": "2099-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-27", "confidence": "determinate" } ], "quote": "In Valencia, Kārtikī Pūrṇimā 2099 falls on Friday 27 November. Pūrṇimā runs from 16:21 on Thu 26 Nov to 17:24 on Fri 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-11-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10610, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-11-30T17:50:22-04:00", "utc": "2099-11-30T21:50:22Z", "ms": 4099758621844.675 }, "end": { "local": "2099-12-01T17:14:15-04:00", "utc": "2099-12-01T21:14:15Z", "ms": 4099842855221.2363 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-11-30T17:50:22-04:00", "utc": "2099-11-30T21:50:22Z", "ms": 4099758621844.675 }, "end": { "local": "2099-12-01T17:14:15-04:00", "utc": "2099-12-01T21:14:15Z", "ms": 4099842855221.2363 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-11-30", "window": { "start": { "local": "2099-11-30T20:47:12-04:00", "utc": "2099-12-01T00:47:12Z", "ms": 4099769231780.2803 }, "end": { "local": "2099-11-30T20:47:12-04:00", "utc": "2099-12-01T00:47:12Z", "ms": 4099769231780.2803 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-12-01", "window": { "start": { "local": "2099-12-01T21:45:44-04:00", "utc": "2099-12-02T01:45:44Z", "ms": 4099859143974.596 }, "end": { "local": "2099-12-01T21:45:44-04:00", "utc": "2099-12-02T01:45:44Z", "ms": 4099859143974.596 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:50 on Mon 30 Nov to 17:14 on Tue 1 Dec.", "fact": "2099-11-30T21:50:22Z → 2099-12-01T21:14:15Z" }, { "step": "kaala", "text": "Moonrise is at 20:47 on the 30th and 21:46 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 30th and is not on the 1st.", "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 10610 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Monday 30 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": "2099-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-11-30", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Monday 30 November. Caturthī runs from 17:50 on Mon 30 Nov to 17:14 on Tue 1 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/ekadashi?on=2099-12-07", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3330, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-12-07T07:32:59-04:00", "utc": "2099-12-07T11:32:59Z", "ms": 4100326379424.022 }, "end": { "local": "2099-12-08T05:04:13-04:00", "utc": "2099-12-08T09:04:13Z", "ms": 4100403852522.051 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-07T07:32:59-04:00", "utc": "2099-12-07T11:32:59Z", "ms": 4100326379424.022 }, "end": { "local": "2099-12-08T05:04:13-04:00", "utc": "2099-12-08T09:04:13Z", "ms": 4100403852522.051 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-12-07", "window": { "start": { "local": "2099-12-07T06:37:30-04:00", "utc": "2099-12-07T10:37:30Z", "ms": 4100323049665.4087 }, "end": { "local": "2099-12-07T06:37:30-04:00", "utc": "2099-12-07T10:37:30Z", "ms": 4100323049665.4087 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-12-08", "window": { "start": { "local": "2099-12-08T06:38:01-04:00", "utc": "2099-12-08T10:38:01Z", "ms": 4100409481032.785 }, "end": { "local": "2099-12-08T06:38:01-04:00", "utc": "2099-12-08T10:38:01Z", "ms": 4100409481032.785 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:33 on Mon 7 Dec to 05:04 on Tue 8 Dec.", "fact": "2099-12-07T11:32:59Z → 2099-12-08T09:04:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 7th and 06:38 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 3330 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Valencia, 2099: Monday 7 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": "2099-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-07", "confidence": "determinate" } ], "quote": "In Valencia, Utpannā Ekādaśī 2099 falls on Monday 7 December. Ekādaśī runs from 07:33 on Mon 7 Dec to 05:04 on Tue 8 Dec, and is current at sunrise on neither day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-12-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/pradosha-vrata?on=2099-12-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14503, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-12-09T02:28:33-04:00", "utc": "2099-12-09T06:28:33Z", "ms": 4100480912764.037 }, "end": { "local": "2099-12-09T23:52:25-04:00", "utc": "2099-12-10T03:52:25Z", "ms": 4100557945474.855 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-09T02:28:33-04:00", "utc": "2099-12-09T06:28:33Z", "ms": 4100480912764.037 }, "end": { "local": "2099-12-09T23:52:25-04:00", "utc": "2099-12-10T03:52:25Z", "ms": 4100557945474.855 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-12-08", "window": { "start": { "local": "2099-12-08T18:10:36-04:00", "utc": "2099-12-08T22:10:36Z", "ms": 4100451035571.443 }, "end": { "local": "2099-12-08T19:50:19-04:00", "utc": "2099-12-08T23:50:19Z", "ms": 4100457019164.684 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2099-12-09", "window": { "start": { "local": "2099-12-09T18:10:58-04:00", "utc": "2099-12-09T22:10:58Z", "ms": 4100537457850.7207 }, "end": { "local": "2099-12-09T19:50:43-04:00", "utc": "2099-12-09T23:50:43Z", "ms": 4100543442682.9263 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:29 on Wed 9 Dec to 23:52 on Wed 9 Dec.", "fact": "2099-12-09T06:28:33Z → 2099-12-10T03:52:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:50 on the 8th, 18:11–19:51 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 8th and 100 of 100 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14503 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 2099: Wednesday 9 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": "2099-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-09", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 2099 falls on Wednesday 9 December. Trayodaśī runs from 02:29 on Wed 9 Dec to 23:52 on Wed 9 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/shivaratri?on=2099-12-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 515, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2099-12-09T23:52:25-04:00", "utc": "2099-12-10T03:52:25Z", "ms": 4100557945474.855 }, "end": { "local": "2099-12-10T21:23:40-04:00", "utc": "2099-12-11T01:23:40Z", "ms": 4100635420473.581 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-09T23:52:25-04:00", "utc": "2099-12-10T03:52:25Z", "ms": 4100557945474.855 }, "end": { "local": "2099-12-10T21:23:40-04:00", "utc": "2099-12-11T01:23:40Z", "ms": 4100635420473.581 } }, "kaala": "nishita", "days": [ { "local_date": "2099-12-09", "window": { "start": { "local": "2099-12-10T00:01:01-04:00", "utc": "2099-12-10T04:01:01Z", "ms": 4100558460971.492 }, "end": { "local": "2099-12-10T00:49:01-04:00", "utc": "2099-12-10T04:49:01Z", "ms": 4100561340971.492 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-12-10", "window": { "start": { "local": "2099-12-11T00:01:28-04:00", "utc": "2099-12-11T04:01:28Z", "ms": 4100644888317.586 }, "end": { "local": "2099-12-11T00:49:28-04:00", "utc": "2099-12-11T04:49:28Z", "ms": 4100647768317.586 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:52 on Wed 9 Dec to 21:24 on Thu 10 Dec.", "fact": "2099-12-10T03:52:25Z → 2099-12-11T01:23:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:01–00:49 on the 9th, 00:01–00:49 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 515 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 2099: Wednesday 9 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": "2099-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-09", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 2099 falls on Wednesday 9 December. Caturdaśī runs from 23:52 on Wed 9 Dec to 21:24 on Thu 10 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/2099/shivaratri?on=2099-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/vinayaka-chaturthi?on=2099-12-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10140, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-12-14T15:40:05-04:00", "utc": "2099-12-14T19:40:05Z", "ms": 4100960404989.684 }, "end": { "local": "2099-12-15T15:55:39-04:00", "utc": "2099-12-15T19:55:39Z", "ms": 4101047738974.4614 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-14T15:40:05-04:00", "utc": "2099-12-14T19:40:05Z", "ms": 4100960404989.684 }, "end": { "local": "2099-12-15T15:55:39-04:00", "utc": "2099-12-15T19:55:39Z", "ms": 4101047738974.4614 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-12-14", "window": { "start": { "local": "2099-12-14T12:03:05-04:00", "utc": "2099-12-14T16:03:05Z", "ms": 4100947385488.586 }, "end": { "local": "2099-12-14T12:51:05-04:00", "utc": "2099-12-14T16:51:05Z", "ms": 4100950265488.586 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-12-15", "window": { "start": { "local": "2099-12-15T12:03:34-04:00", "utc": "2099-12-15T16:03:34Z", "ms": 4101033814472.153 }, "end": { "local": "2099-12-15T12:51:34-04:00", "utc": "2099-12-15T16:51:34Z", "ms": 4101036694472.153 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:40 on Mon 14 Dec to 15:56 on Tue 15 Dec.", "fact": "2099-12-14T19:40:05Z → 2099-12-15T19:55:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 14th, 12:04–12:52 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10140 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 2099: Tuesday 15 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": "2099-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-15", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 2099 falls on Tuesday 15 December. Caturthī runs from 15:40 on Mon 14 Dec to 15:56 on Tue 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/vinayaka-chaturthi?on=2099-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11045, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2099-12-15T15:55:39-04:00", "utc": "2099-12-15T19:55:39Z", "ms": 4101047738974.4614 }, "end": { "local": "2099-12-16T16:58:45-04:00", "utc": "2099-12-16T20:58:45Z", "ms": 4101137925074.3286 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-15T15:55:39-04:00", "utc": "2099-12-15T19:55:39Z", "ms": 4101047738974.4614 }, "end": { "local": "2099-12-16T16:58:45-04:00", "utc": "2099-12-16T20:58:45Z", "ms": 4101137925074.3286 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-12-15", "window": { "start": { "local": "2099-12-15T12:03:34-04:00", "utc": "2099-12-15T16:03:34Z", "ms": 4101033814472.153 }, "end": { "local": "2099-12-15T12:51:34-04:00", "utc": "2099-12-15T16:51:34Z", "ms": 4101036694472.153 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-12-16", "window": { "start": { "local": "2099-12-16T12:04:04-04:00", "utc": "2099-12-16T16:04:04Z", "ms": 4101120243678.962 }, "end": { "local": "2099-12-16T12:52:04-04:00", "utc": "2099-12-16T16:52:04Z", "ms": 4101123123678.962 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:56 on Tue 15 Dec to 16:59 on Wed 16 Dec.", "fact": "2099-12-15T19:55:39Z → 2099-12-16T20:58:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 15th, 12:04–12:52 on the 16th.", "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 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11045 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Valencia, 2099: Wednesday 16 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": "2099-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-16", "confidence": "determinate" } ], "quote": "In Valencia, Nāga Pañcamī (Mārgaśīrṣa) 2099 falls on Wednesday 16 December. Pañcamī runs from 15:56 on Tue 15 Dec to 16:59 on Wed 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14801, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2099-12-16T16:58:45-04:00", "utc": "2099-12-16T20:58:45Z", "ms": 4101137925074.3286 }, "end": { "local": "2099-12-17T18:45:13-04:00", "utc": "2099-12-17T22:45:13Z", "ms": 4101230712973.9224 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-16T16:58:45-04:00", "utc": "2099-12-16T20:58:45Z", "ms": 4101137925074.3286 }, "end": { "local": "2099-12-17T18:45:13-04:00", "utc": "2099-12-17T22:45:13Z", "ms": 4101230712973.9224 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-12-16", "window": { "start": { "local": "2099-12-16T12:04:04-04:00", "utc": "2099-12-16T16:04:04Z", "ms": 4101120243678.962 }, "end": { "local": "2099-12-16T12:52:04-04:00", "utc": "2099-12-16T16:52:04Z", "ms": 4101123123678.962 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-12-17", "window": { "start": { "local": "2099-12-17T12:04:33-04:00", "utc": "2099-12-17T16:04:33Z", "ms": 4101206673073.711 }, "end": { "local": "2099-12-17T12:52:33-04:00", "utc": "2099-12-17T16:52:33Z", "ms": 4101209553073.711 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:59 on Wed 16 Dec to 18:45 on Thu 17 Dec.", "fact": "2099-12-16T20:58:45Z → 2099-12-17T22:45:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 16th, 12:05–12:53 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14801 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Valencia, 2099: Thursday 17 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": "2099-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-17", "confidence": "determinate" } ], "quote": "In Valencia, Campā Ṣaṣṭhī 2099 falls on Thursday 17 December. Ṣaṣṭhī runs from 16:59 on Wed 16 Dec to 18:45 on Thu 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14801, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2099-12-16T16:58:45-04:00", "utc": "2099-12-16T20:58:45Z", "ms": 4101137925074.3286 }, "end": { "local": "2099-12-17T18:45:13-04:00", "utc": "2099-12-17T22:45:13Z", "ms": 4101230712973.9224 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-16T16:58:45-04:00", "utc": "2099-12-16T20:58:45Z", "ms": 4101137925074.3286 }, "end": { "local": "2099-12-17T18:45:13-04:00", "utc": "2099-12-17T22:45:13Z", "ms": 4101230712973.9224 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-12-16", "window": { "start": { "local": "2099-12-16T12:04:04-04:00", "utc": "2099-12-16T16:04:04Z", "ms": 4101120243678.962 }, "end": { "local": "2099-12-16T12:52:04-04:00", "utc": "2099-12-16T16:52:04Z", "ms": 4101123123678.962 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-12-17", "window": { "start": { "local": "2099-12-17T12:04:33-04:00", "utc": "2099-12-17T16:04:33Z", "ms": 4101206673073.711 }, "end": { "local": "2099-12-17T12:52:33-04:00", "utc": "2099-12-17T16:52:33Z", "ms": 4101209553073.711 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:59 on Wed 16 Dec to 18:45 on Thu 17 Dec.", "fact": "2099-12-16T20:58:45Z → 2099-12-17T22:45:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 16th, 12:05–12:53 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14801 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Valencia, 2099: Thursday 17 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": "2099-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-17", "confidence": "determinate" } ], "quote": "In Valencia, Skanda Ṣaṣṭhī 2099 falls on Thursday 17 December. Ṣaṣṭhī runs from 16:59 on Wed 16 Dec to 18:45 on Thu 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21160, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2099-12-17T18:45:13-04:00", "utc": "2099-12-17T22:45:13Z", "ms": 4101230712973.9224 }, "end": { "local": "2099-12-18T21:05:25-04:00", "utc": "2099-12-19T01:05:25Z", "ms": 4101325525235.5405 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-17T18:45:13-04:00", "utc": "2099-12-17T22:45:13Z", "ms": 4101230712973.9224 }, "end": { "local": "2099-12-18T21:05:25-04:00", "utc": "2099-12-19T01:05:25Z", "ms": 4101325525235.5405 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-12-17", "window": { "start": { "local": "2099-12-17T12:04:33-04:00", "utc": "2099-12-17T16:04:33Z", "ms": 4101206673073.711 }, "end": { "local": "2099-12-17T12:52:33-04:00", "utc": "2099-12-17T16:52:33Z", "ms": 4101209553073.711 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2099-12-18", "window": { "start": { "local": "2099-12-18T12:05:03-04:00", "utc": "2099-12-18T16:05:03Z", "ms": 4101293102621.5693 }, "end": { "local": "2099-12-18T12:53:03-04:00", "utc": "2099-12-18T16:53:03Z", "ms": 4101295982621.5693 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:45 on Thu 17 Dec to 21:05 on Fri 18 Dec.", "fact": "2099-12-17T22:45:13Z → 2099-12-19T01:05:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 17th, 12:05–12:53 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21160 s" }, { "step": "ruling", "text": "Mitra Saptamī, Valencia, 2099: Friday 18 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": "2099-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-18", "confidence": "determinate" } ], "quote": "In Valencia, Mitra Saptamī 2099 falls on Friday 18 December. Saptamī runs from 18:45 on Thu 17 Dec to 21:05 on Fri 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/ekadashi?on=2099-12-23", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 781, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2099-12-22T04:56:33-04:00", "utc": "2099-12-22T08:56:33Z", "ms": 4101612993179.3193 }, "end": { "local": "2099-12-23T06:58:45-04:00", "utc": "2099-12-23T10:58:45Z", "ms": 4101706725291.5337 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-22T04:56:33-04:00", "utc": "2099-12-22T08:56:33Z", "ms": 4101612993179.3193 }, "end": { "local": "2099-12-23T06:58:45-04:00", "utc": "2099-12-23T10:58:45Z", "ms": 4101706725291.5337 } }, "kaala": "sunrise", "days": [ { "local_date": "2099-12-22", "window": { "start": { "local": "2099-12-22T06:45:15-04:00", "utc": "2099-12-22T10:45:15Z", "ms": 4101619515360.1655 }, "end": { "local": "2099-12-22T06:45:15-04:00", "utc": "2099-12-22T10:45:15Z", "ms": 4101619515360.1655 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2099-12-23", "window": { "start": { "local": "2099-12-23T06:45:45-04:00", "utc": "2099-12-23T10:45:45Z", "ms": 4101705944548.561 }, "end": { "local": "2099-12-23T06:45:45-04:00", "utc": "2099-12-23T10:45:45Z", "ms": 4101705944548.561 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:57 on Tue 22 Dec to 06:59 on Wed 23 Dec.", "fact": "2099-12-22T08:56:33Z → 2099-12-23T10:58:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 22nd and 06:46 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 781 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Valencia, 2099: Wednesday 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": "2099-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-23", "confidence": "determinate" } ], "quote": "In Valencia, Mokṣadā Ekādaśī 2099 falls on Wednesday 23 December. Ekādaśī runs from 04:57 on Tue 22 Dec to 06:59 on Wed 23 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/ekadashi?on=2099-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13339, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2099-12-23T06:58:45-04:00", "utc": "2099-12-23T10:58:45Z", "ms": 4101706725291.5337 }, "end": { "local": "2099-12-24T08:25:42-04:00", "utc": "2099-12-24T12:25:42Z", "ms": 4101798342411.3755 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-23T06:58:45-04:00", "utc": "2099-12-23T10:58:45Z", "ms": 4101706725291.5337 }, "end": { "local": "2099-12-24T08:25:42-04:00", "utc": "2099-12-24T12:25:42Z", "ms": 4101798342411.3755 } }, "kaala": "madhyahna", "days": [ { "local_date": "2099-12-23", "window": { "start": { "local": "2099-12-23T12:07:31-04:00", "utc": "2099-12-23T16:07:31Z", "ms": 4101725251467.3457 }, "end": { "local": "2099-12-23T12:55:31-04:00", "utc": "2099-12-23T16:55:31Z", "ms": 4101728131467.3457 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2099-12-24", "window": { "start": { "local": "2099-12-24T12:08:01-04:00", "utc": "2099-12-24T16:08:01Z", "ms": 4101811681226.0337 }, "end": { "local": "2099-12-24T12:56:01-04:00", "utc": "2099-12-24T16:56:01Z", "ms": 4101814561226.0337 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:59 on Wed 23 Dec to 08:26 on Thu 24 Dec.", "fact": "2099-12-23T10:58:45Z → 2099-12-24T12:25:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 23rd, 12:08–12:56 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13339 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Valencia, 2099: Wednesday 23 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": "2099-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-23", "confidence": "determinate" } ], "quote": "In Valencia, Akhaṇḍa Dvādaśī 2099 falls on Wednesday 23 December. Dvādaśī runs from 06:59 on Wed 23 Dec to 08:26 on Thu 24 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/pradosha-vrata?on=2099-12-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32664, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2099-12-24T08:25:42-04:00", "utc": "2099-12-24T12:25:42Z", "ms": 4101798342411.3755 }, "end": { "local": "2099-12-25T09:13:56-04:00", "utc": "2099-12-25T13:13:56Z", "ms": 4101887635704.3877 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-24T08:25:42-04:00", "utc": "2099-12-24T12:25:42Z", "ms": 4101798342411.3755 }, "end": { "local": "2099-12-25T09:13:56-04:00", "utc": "2099-12-25T13:13:56Z", "ms": 4101887635704.3877 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-12-24", "window": { "start": { "local": "2099-12-24T18:17:49-04:00", "utc": "2099-12-24T22:17:49Z", "ms": 4101833869142.726 }, "end": { "local": "2099-12-24T19:57:40-04:00", "utc": "2099-12-24T23:57:40Z", "ms": 4101839860138.6147 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2099-12-25", "window": { "start": { "local": "2099-12-25T18:18:20-04:00", "utc": "2099-12-25T22:18:20Z", "ms": 4101920300201.3003 }, "end": { "local": "2099-12-25T19:58:11-04:00", "utc": "2099-12-25T23:58:11Z", "ms": 4101926290764.676 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:26 on Thu 24 Dec to 09:14 on Fri 25 Dec.", "fact": "2099-12-24T12:25:42Z → 2099-12-25T13:13:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:58 on the 24th, 18:18–19:58 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 100 of 100 minutes on the 24th and 0 of 100 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 32664 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 2099: Thursday 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": "2099-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-24", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 2099 falls on Thursday 24 December. Trayodaśī runs from 08:26 on Thu 24 Dec to 09:14 on Fri 25 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/pradosha-vrata?on=2099-12-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/2099/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32077, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2099-12-26T09:24:14-04:00", "utc": "2099-12-26T13:24:14Z", "ms": 4101974654470.585 }, "end": { "local": "2099-12-27T09:00:32-04:00", "utc": "2099-12-27T13:00:32Z", "ms": 4102059632068.23 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-26T09:24:14-04:00", "utc": "2099-12-26T13:24:14Z", "ms": 4101974654470.585 }, "end": { "local": "2099-12-27T09:00:32-04:00", "utc": "2099-12-27T13:00:32Z", "ms": 4102059632068.23 } }, "kaala": "pradosha", "days": [ { "local_date": "2099-12-26", "window": { "start": { "local": "2099-12-26T18:18:52-04:00", "utc": "2099-12-26T22:18:52Z", "ms": 4102006731530.2256 }, "end": { "local": "2099-12-26T19:58:42-04:00", "utc": "2099-12-26T23:58:42Z", "ms": 4102012721556.1895 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2099-12-27", "window": { "start": { "local": "2099-12-27T18:19:23-04:00", "utc": "2099-12-27T22:19:23Z", "ms": 4102093163098.36 }, "end": { "local": "2099-12-27T19:59:12-04:00", "utc": "2099-12-27T23:59:12Z", "ms": 4102099152482.481 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:24 on Sat 26 Dec to 09:01 on Sun 27 Dec.", "fact": "2099-12-26T13:24:14Z → 2099-12-27T13:00:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:59 on the 26th, 18:19–19:59 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 100 of 100 minutes on the 26th and 0 of 100 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 32077 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Valencia, 2099: Saturday 26 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": "2099-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-26", "confidence": "determinate" } ], "quote": "In Valencia, Dattātreyotpatti (Datta Jayanti) 2099 falls on Saturday 26 December. Pūrṇimā runs from 09:24 on Sat 26 Dec to 09:01 on Sun 27 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/2099/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": "/valencia/festivals/2099/sankashta-chaturthi?on=2099-12-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 2099, "local_date": "2099-12-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22146, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2099-12-30T05:23:50-04:00", "utc": "2099-12-30T09:23:50Z", "ms": 4102305830284.682 }, "end": { "local": "2099-12-31T03:42:21-04:00", "utc": "2099-12-31T07:42:21Z", "ms": 4102386141215.0664 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2099-12-30T05:23:50-04:00", "utc": "2099-12-30T09:23:50Z", "ms": 4102305830284.682 }, "end": { "local": "2099-12-31T03:42:21-04:00", "utc": "2099-12-31T07:42:21Z", "ms": 4102386141215.0664 } }, "kaala": "moonrise", "days": [ { "local_date": "2099-12-29", "window": { "start": { "local": "2099-12-29T20:36:34-04:00", "utc": "2099-12-30T00:36:34Z", "ms": 4102274193922.8403 }, "end": { "local": "2099-12-29T20:36:34-04:00", "utc": "2099-12-30T00:36:34Z", "ms": 4102274193922.8403 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2099-12-30", "window": { "start": { "local": "2099-12-30T21:33:15-04:00", "utc": "2099-12-31T01:33:15Z", "ms": 4102363995077.4795 }, "end": { "local": "2099-12-30T21:33:15-04:00", "utc": "2099-12-31T01:33:15Z", "ms": 4102363995077.4795 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:24 on Wed 30 Dec to 03:42 on Thu 31 Dec.", "fact": "2099-12-30T09:23:50Z → 2099-12-31T07:42:21Z" }, { "step": "kaala", "text": "Moonrise is at 20:37 on the 29th and 21:33 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22146 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 2099: Wednesday 30 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": "2099-12-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2099-12-30", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 2099 falls on Wednesday 30 December. Caturthī runs from 05:24 on Wed 30 Dec to 03:42 on Thu 31 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/2099/sankashta-chaturthi?on=2099-12-30", "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" } }