{ "id": "/valencia/festivals/1990", "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": 1990, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/valencia/festivals/1990/ekadashi?on=1990-01-07", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12824, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-01-06T13:00:30-04:00", "utc": "1990-01-06T17:00:30Z", "ms": 631645229888.3011 }, "end": { "local": "1990-01-07T10:25:26-04:00", "utc": "1990-01-07T14:25:26Z", "ms": 631722326341.2834 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-01-06T13:00:30-04:00", "utc": "1990-01-06T17:00:30Z", "ms": 631645229888.3011 }, "end": { "local": "1990-01-07T10:25:26-04:00", "utc": "1990-01-07T14:25:26Z", "ms": 631722326341.2834 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-01-06", "window": { "start": { "local": "1990-01-06T06:51:22-04:00", "utc": "1990-01-06T10:51:22Z", "ms": 631623082418.6122 }, "end": { "local": "1990-01-06T06:51:22-04:00", "utc": "1990-01-06T10:51:22Z", "ms": 631623082418.6122 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-01-07", "window": { "start": { "local": "1990-01-07T06:51:42-04:00", "utc": "1990-01-07T10:51:42Z", "ms": 631709502450.1979 }, "end": { "local": "1990-01-07T06:51:42-04:00", "utc": "1990-01-07T10:51:42Z", "ms": 631709502450.1979 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:00 on Sat 6 Jan to 10:25 on Sun 7 Jan.", "fact": "1990-01-06T17:00:30Z → 1990-01-07T14:25:26Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 6th and 06:52 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12824 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Valencia, 1990: Sunday 7 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-07", "confidence": "determinate" } ], "quote": "In Valencia, Putradā Ekādaśī 1990 falls on Sunday 7 January. Ekādaśī runs from 13:00 on Sat 6 Jan to 10:25 on Sun 7 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-01-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33024, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-01-08T07:48:02-04:00", "utc": "1990-01-08T11:48:02Z", "ms": 631799282133.8108 }, "end": { "local": "1990-01-09T05:15:30-04:00", "utc": "1990-01-09T09:15:30Z", "ms": 631876530026.3162 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-01-08T07:48:02-04:00", "utc": "1990-01-08T11:48:02Z", "ms": 631799282133.8108 }, "end": { "local": "1990-01-09T05:15:30-04:00", "utc": "1990-01-09T09:15:30Z", "ms": 631876530026.3162 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-01-07", "window": { "start": { "local": "1990-01-07T18:24:59-04:00", "utc": "1990-01-07T22:24:59Z", "ms": 631751099411.742 }, "end": { "local": "1990-01-07T20:04:36-04:00", "utc": "1990-01-08T00:04:36Z", "ms": 631757075706.9639 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1990-01-08", "window": { "start": { "local": "1990-01-08T18:25:31-04:00", "utc": "1990-01-08T22:25:31Z", "ms": 631837531307.6223 }, "end": { "local": "1990-01-08T20:05:06-04:00", "utc": "1990-01-09T00:05:06Z", "ms": 631843505790.4337 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:48 on Mon 8 Jan to 05:16 on Tue 9 Jan.", "fact": "1990-01-08T11:48:02Z → 1990-01-09T09:15:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–20:05 on the 7th, 18:26–20:05 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 7th and 100 of 100 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33024 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Monday 8 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-08", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Monday 8 January. Trayodaśī runs from 07:48 on Mon 8 Jan to 05:16 on Tue 9 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-01-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19987, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 }, "end": { "local": "1990-02-12T13:01:31-04:00", "utc": "1990-02-12T17:01:31Z", "ms": 634842091456.4164 } }, "span": { "of": "transit", "start": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 }, "end": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 } }, "kaala": "sunset-day", "days": [ { "local_date": "1990-01-13", "window": { "start": { "local": "1990-01-12T18:27:37-04:00", "utc": "1990-01-12T22:27:37Z", "ms": 632183256645.9801 }, "end": { "local": "1990-01-13T18:28:07-04:00", "utc": "1990-01-13T22:28:07Z", "ms": 632269687301.5149 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1990-01-14", "window": { "start": { "local": "1990-01-13T18:28:07-04:00", "utc": "1990-01-13T22:28:07Z", "ms": 632269687301.5149 }, "end": { "local": "1990-01-14T18:28:38-04:00", "utc": "1990-01-14T22:28:38Z", "ms": 632356117640.2084 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1990-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 00:01 on Sun 14 Jan.", "fact": "1990-01-14T04:01:14Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 18:28, and the day of the 14th ends at 18:29.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 19987 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Valencia, 1990: Saturday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1990-01-13", "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": "1990-01-12", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Valencia, Bhogi 1990 falls on Saturday 13 January. It is kept the day before Pongal, which falls on Sunday 14 January. The Sun enters Makara at 00:01 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19987, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 }, "end": { "local": "1990-02-12T13:01:31-04:00", "utc": "1990-02-12T17:01:31Z", "ms": 634842091456.4164 } }, "span": { "of": "transit", "start": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 }, "end": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 } }, "kaala": "sunset-day", "days": [ { "local_date": "1990-01-13", "window": { "start": { "local": "1990-01-12T18:27:37-04:00", "utc": "1990-01-12T22:27:37Z", "ms": 632183256645.9801 }, "end": { "local": "1990-01-13T18:28:07-04:00", "utc": "1990-01-13T22:28:07Z", "ms": 632269687301.5149 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1990-01-14", "window": { "start": { "local": "1990-01-13T18:28:07-04:00", "utc": "1990-01-13T22:28:07Z", "ms": 632269687301.5149 }, "end": { "local": "1990-01-14T18:28:38-04:00", "utc": "1990-01-14T22:28:38Z", "ms": 632356117640.2084 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 00:01 on Sun 14 Jan.", "fact": "1990-01-14T04:01:14Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 18:28, and the day of the 14th ends at 18:29.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 19987 s" }, { "step": "ruling", "text": "Pongal, Valencia, 1990: Sunday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1990-01-14", "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": "1990-01-13", "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, Pongal 1990 falls on Sunday 14 January. The Sun enters Makara at 00:01 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-14", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 74, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 }, "end": { "local": "1990-02-12T13:01:31-04:00", "utc": "1990-02-12T17:01:31Z", "ms": 634842091456.4164 } }, "span": { "of": "transit", "start": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 }, "end": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 } }, "kaala": "civil-day", "days": [ { "local_date": "1990-01-13", "window": { "start": { "local": "1990-01-13T00:00:00-04:00", "utc": "1990-01-13T04:00:00Z", "ms": 632203200000 }, "end": { "local": "1990-01-14T00:00:00-04:00", "utc": "1990-01-14T04:00:00Z", "ms": 632289600000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1990-01-14", "window": { "start": { "local": "1990-01-14T00:00:00-04:00", "utc": "1990-01-14T04:00:00Z", "ms": 632289600000 }, "end": { "local": "1990-01-15T00:00:00-04:00", "utc": "1990-01-15T04:00:00Z", "ms": 632376000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 00:01 on Sun 14 Jan.", "fact": "1990-01-14T04:01:14Z · 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 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 74 s < 300 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Valencia, 1990: Sunday 14 January.", "fact": "confidence: boundary (margin)" } ], "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": "1990-01-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-14", "confidence": "boundary" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1990-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1990-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Valencia, Makara Saṅkrānti 1990 falls on Sunday 14 January. The Sun enters Makara at 00:01 on Sun 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January. It is 1 min 14 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-01-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3834, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-01-13T22:18:16-04:00", "utc": "1990-01-14T02:18:16Z", "ms": 632283496210.9298 }, "end": { "local": "1990-01-14T22:47:38-04:00", "utc": "1990-01-15T02:47:38Z", "ms": 632371658214.4031 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-01-13T22:18:16-04:00", "utc": "1990-01-14T02:18:16Z", "ms": 632283496210.9298 }, "end": { "local": "1990-01-14T22:47:38-04:00", "utc": "1990-01-15T02:47:38Z", "ms": 632371658214.4031 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-01-13", "window": { "start": { "local": "1990-01-13T20:55:33-04:00", "utc": "1990-01-14T00:55:33Z", "ms": 632278532942.9081 }, "end": { "local": "1990-01-13T20:55:33-04:00", "utc": "1990-01-14T00:55:33Z", "ms": 632278532942.9081 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-01-14", "window": { "start": { "local": "1990-01-14T21:43:44-04:00", "utc": "1990-01-15T01:43:44Z", "ms": 632367824218.5126 }, "end": { "local": "1990-01-14T21:43:44-04:00", "utc": "1990-01-15T01:43:44Z", "ms": 632367824218.5126 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:18 on Sat 13 Jan to 22:48 on Sun 14 Jan.", "fact": "1990-01-14T02:18:16Z → 1990-01-15T02:47:38Z" }, { "step": "kaala", "text": "Moonrise is at 20:56 on the 13th and 21:44 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3834 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Sunday 14 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": "1990-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-14", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Sunday 14 January. Caturthī runs from 22:18 on Sat 13 Jan to 22:48 on Sun 14 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-01-14", "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/1990/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19987, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 }, "end": { "local": "1990-02-12T13:01:31-04:00", "utc": "1990-02-12T17:01:31Z", "ms": 634842091456.4164 } }, "span": { "of": "transit", "start": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 }, "end": { "local": "1990-01-14T00:01:14-04:00", "utc": "1990-01-14T04:01:14Z", "ms": 632289674348.8148 } }, "kaala": "sunset-day", "days": [ { "local_date": "1990-01-13", "window": { "start": { "local": "1990-01-12T18:27:37-04:00", "utc": "1990-01-12T22:27:37Z", "ms": 632183256645.9801 }, "end": { "local": "1990-01-13T18:28:07-04:00", "utc": "1990-01-13T22:28:07Z", "ms": 632269687301.5149 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1990-01-14", "window": { "start": { "local": "1990-01-13T18:28:07-04:00", "utc": "1990-01-13T22:28:07Z", "ms": 632269687301.5149 }, "end": { "local": "1990-01-14T18:28:38-04:00", "utc": "1990-01-14T22:28:38Z", "ms": 632356117640.2084 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1990-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 00:01 on Sun 14 Jan.", "fact": "1990-01-14T04:01:14Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 18:28, and the day of the 14th ends at 18:29.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 19987 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Valencia, 1990: Monday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1990-01-15", "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": "1990-01-14", "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, Mattu Pongal 1990 falls on Monday 15 January. It is kept the day after Pongal, which falls on Sunday 14 January. The Sun enters Makara at 00:01 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-01-22", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16089, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-01-21T11:22:55-04:00", "utc": "1990-01-21T15:22:55Z", "ms": 632935375427.2538 }, "end": { "local": "1990-01-22T13:17:18-04:00", "utc": "1990-01-22T17:17:18Z", "ms": 633028637926.81 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-01-21T11:22:55-04:00", "utc": "1990-01-21T15:22:55Z", "ms": 632935375427.2538 }, "end": { "local": "1990-01-22T13:17:18-04:00", "utc": "1990-01-22T17:17:18Z", "ms": 633028637926.81 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-01-21", "window": { "start": { "local": "1990-01-21T06:54:47-04:00", "utc": "1990-01-21T10:54:47Z", "ms": 632919286782.5973 }, "end": { "local": "1990-01-21T06:54:47-04:00", "utc": "1990-01-21T10:54:47Z", "ms": 632919286782.5973 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-01-22", "window": { "start": { "local": "1990-01-22T06:54:53-04:00", "utc": "1990-01-22T10:54:53Z", "ms": 633005692643.4446 }, "end": { "local": "1990-01-22T06:54:53-04:00", "utc": "1990-01-22T10:54:53Z", "ms": 633005692643.4446 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:23 on Sun 21 Jan to 13:17 on Mon 22 Jan.", "fact": "1990-01-21T15:22:55Z → 1990-01-22T17:17:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:55 on the 21st and 06:55 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16089 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Valencia, 1990: Monday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-22", "confidence": "determinate" } ], "quote": "In Valencia, Ṣaṭtilā Ekādaśī 1990 falls on Monday 22 January. Ekādaśī runs from 11:23 on Sun 21 Jan to 13:17 on Mon 22 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-01-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11109, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-01-23T14:40:16-04:00", "utc": "1990-01-23T18:40:16Z", "ms": 633120016220.5319 }, "end": { "local": "1990-01-24T15:28:10-04:00", "utc": "1990-01-24T19:28:10Z", "ms": 633209290274.3502 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-01-23T14:40:16-04:00", "utc": "1990-01-23T18:40:16Z", "ms": 633120016220.5319 }, "end": { "local": "1990-01-24T15:28:10-04:00", "utc": "1990-01-24T19:28:10Z", "ms": 633209290274.3502 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-01-23", "window": { "start": { "local": "1990-01-23T18:32:53-04:00", "utc": "1990-01-23T22:32:53Z", "ms": 633133972849.0261 }, "end": { "local": "1990-01-23T20:11:50-04:00", "utc": "1990-01-24T00:11:50Z", "ms": 633139909976.6729 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1990-01-24", "window": { "start": { "local": "1990-01-24T18:33:19-04:00", "utc": "1990-01-24T22:33:19Z", "ms": 633220398846.4926 }, "end": { "local": "1990-01-24T20:12:13-04:00", "utc": "1990-01-25T00:12:13Z", "ms": 633226332880.0533 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:40 on Tue 23 Jan to 15:28 on Wed 24 Jan.", "fact": "1990-01-23T18:40:16Z → 1990-01-24T19:28:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:12 on the 23rd, 18:33–20:12 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 23rd and 0 of 99 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11109 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Tuesday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-23", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Tuesday 23 January. Trayodaśī runs from 14:40 on Tue 23 Jan to 15:28 on Wed 24 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-01-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shivaratri?on=1990-01-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31184, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-01-24T15:28:10-04:00", "utc": "1990-01-24T19:28:10Z", "ms": 633209290274.3502 }, "end": { "local": "1990-01-25T15:40:41-04:00", "utc": "1990-01-25T19:40:41Z", "ms": 633296441210.9111 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-01-24T15:28:10-04:00", "utc": "1990-01-24T19:28:10Z", "ms": 633209290274.3502 }, "end": { "local": "1990-01-25T15:40:41-04:00", "utc": "1990-01-25T19:40:41Z", "ms": 633296441210.9111 } }, "kaala": "nishita", "days": [ { "local_date": "1990-01-24", "window": { "start": { "local": "1990-01-25T00:20:11-04:00", "utc": "1990-01-25T04:20:11Z", "ms": 633241211472.3455 }, "end": { "local": "1990-01-25T01:08:11-04:00", "utc": "1990-01-25T05:08:11Z", "ms": 633244091472.3455 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-01-25", "window": { "start": { "local": "1990-01-26T00:20:25-04:00", "utc": "1990-01-26T04:20:25Z", "ms": 633327625079.7935 }, "end": { "local": "1990-01-26T01:08:25-04:00", "utc": "1990-01-26T05:08:25Z", "ms": 633330505079.7935 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:28 on Wed 24 Jan to 15:41 on Thu 25 Jan.", "fact": "1990-01-24T19:28:10Z → 1990-01-25T19:40:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:20–01:08 on the 24th, 00:20–01:08 on the 25th.", "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 24th and 0 of 48 on the 25th.", "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 31184 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Wednesday 24 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-24", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Wednesday 24 January. Caturdaśī runs from 15:28 on Wed 24 Jan to 15:41 on Thu 25 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-01-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30789, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-01-24T15:28:10-04:00", "utc": "1990-01-24T19:28:10Z", "ms": 633209290274.3502 }, "end": { "local": "1990-01-25T15:40:41-04:00", "utc": "1990-01-25T19:40:41Z", "ms": 633296441210.9111 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-01-24T15:28:10-04:00", "utc": "1990-01-24T19:28:10Z", "ms": 633209290274.3502 }, "end": { "local": "1990-01-25T15:40:41-04:00", "utc": "1990-01-25T19:40:41Z", "ms": 633296441210.9111 } }, "kaala": "arunodaya", "days": [ { "local_date": "1990-01-24", "window": { "start": { "local": "1990-01-24T05:16:04-04:00", "utc": "1990-01-24T09:16:04Z", "ms": 633172564178.7299 }, "end": { "local": "1990-01-24T06:55:01-04:00", "utc": "1990-01-24T10:55:01Z", "ms": 633178501306.3766 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1990-01-25", "window": { "start": { "local": "1990-01-25T05:16:10-04:00", "utc": "1990-01-25T09:16:10Z", "ms": 633258970064.6375 }, "end": { "local": "1990-01-25T06:55:04-04:00", "utc": "1990-01-25T10:55:04Z", "ms": 633264904098.1982 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:28 on Wed 24 Jan to 15:41 on Thu 25 Jan.", "fact": "1990-01-24T19:28:10Z → 1990-01-25T19:40:41Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:16–06:55 on the 24th, 05:16–06:55 on the 25th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 99 minutes on the 24th and 99 of 99 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30789 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Valencia, 1990: Thursday 25 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": "1990-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-25", "confidence": "determinate" } ], "quote": "In Valencia, Yama Tarpaṇa 1990 falls on Thursday 25 January. Caturdaśī runs from 15:28 on Wed 24 Jan to 15:41 on Thu 25 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2405, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-01-29T11:41:08-04:00", "utc": "1990-01-29T15:41:08Z", "ms": 633627667624.2236 }, "end": { "local": "1990-01-30T09:51:57-04:00", "utc": "1990-01-30T13:51:57Z", "ms": 633707516807.0043 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-01-29T11:41:08-04:00", "utc": "1990-01-29T15:41:08Z", "ms": 633627667624.2236 }, "end": { "local": "1990-01-30T09:51:57-04:00", "utc": "1990-01-30T13:51:57Z", "ms": 633707516807.0043 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-01-29", "window": { "start": { "local": "1990-01-29T12:21:13-04:00", "utc": "1990-01-29T16:21:13Z", "ms": 633630072636.2229 }, "end": { "local": "1990-01-29T13:09:13-04:00", "utc": "1990-01-29T17:09:13Z", "ms": 633632952636.2229 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-01-30", "window": { "start": { "local": "1990-01-30T12:21:23-04:00", "utc": "1990-01-30T16:21:23Z", "ms": 633716482687.2864 }, "end": { "local": "1990-01-30T13:09:23-04:00", "utc": "1990-01-30T17:09:23Z", "ms": 633719362687.2864 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:41 on Mon 29 Jan to 09:52 on Tue 30 Jan.", "fact": "1990-01-29T15:41:08Z → 1990-01-30T13:51:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 29th, 12:21–13:09 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2405 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Valencia, 1990: Monday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-29", "confidence": "determinate" } ], "quote": "In Valencia, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1990 falls on Monday 29 January. Caturthī runs from 11:41 on Mon 29 Jan to 09:52 on Tue 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24853, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-01-29T11:41:08-04:00", "utc": "1990-01-29T15:41:08Z", "ms": 633627667624.2236 }, "end": { "local": "1990-01-30T09:51:57-04:00", "utc": "1990-01-30T13:51:57Z", "ms": 633707516807.0043 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-01-29T11:41:08-04:00", "utc": "1990-01-29T15:41:08Z", "ms": 633627667624.2236 }, "end": { "local": "1990-01-30T09:51:57-04:00", "utc": "1990-01-30T13:51:57Z", "ms": 633707516807.0043 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-01-29", "window": { "start": { "local": "1990-01-29T18:35:20-04:00", "utc": "1990-01-29T22:35:20Z", "ms": 633652520363.1631 }, "end": { "local": "1990-01-29T20:13:58-04:00", "utc": "1990-01-30T00:13:58Z", "ms": 633658437982.9813 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1990-01-30", "window": { "start": { "local": "1990-01-30T18:35:43-04:00", "utc": "1990-01-30T22:35:43Z", "ms": 633738942862.773 }, "end": { "local": "1990-01-30T20:14:17-04:00", "utc": "1990-01-31T00:14:17Z", "ms": 633744857024.3137 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:41 on Mon 29 Jan to 09:52 on Tue 30 Jan.", "fact": "1990-01-29T15:41:08Z → 1990-01-30T13:51:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:14 on the 29th, 18:36–20:14 on the 30th.", "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 29th and 0 of 99 on the 30th.", "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 24853 s" }, { "step": "ruling", "text": "Tila Caturthī, Valencia, 1990: Monday 29 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": "1990-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-29", "confidence": "determinate" } ], "quote": "In Valencia, Tila Caturthī 1990 falls on Monday 29 January. Caturthī runs from 11:41 on Mon 29 Jan to 09:52 on Tue 30 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8966, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1990-01-30T09:51:57-04:00", "utc": "1990-01-30T13:51:57Z", "ms": 633707516807.0043 }, "end": { "local": "1990-01-31T07:52:18-04:00", "utc": "1990-01-31T11:52:18Z", "ms": 633786738471.4253 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-01-30T09:51:57-04:00", "utc": "1990-01-30T13:51:57Z", "ms": 633707516807.0043 }, "end": { "local": "1990-01-31T07:52:18-04:00", "utc": "1990-01-31T11:52:18Z", "ms": 633786738471.4253 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-01-30", "window": { "start": { "local": "1990-01-30T12:21:23-04:00", "utc": "1990-01-30T16:21:23Z", "ms": 633716482687.2864 }, "end": { "local": "1990-01-30T13:09:23-04:00", "utc": "1990-01-30T17:09:23Z", "ms": 633719362687.2864 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-01-31", "window": { "start": { "local": "1990-01-31T12:21:32-04:00", "utc": "1990-01-31T16:21:32Z", "ms": 633802891902.8158 }, "end": { "local": "1990-01-31T13:09:32-04:00", "utc": "1990-01-31T17:09:32Z", "ms": 633805771902.8158 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:52 on Tue 30 Jan to 07:52 on Wed 31 Jan.", "fact": "1990-01-30T13:51:57Z → 1990-01-31T11:52:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 30th, 12:22–13:10 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8966 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Valencia, 1990: Tuesday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-30", "confidence": "determinate" } ], "quote": "In Valencia, Śrī Pañcamī 1990 falls on Tuesday 30 January. Pañcamī runs from 09:52 on Tue 30 Jan to 07:52 on Wed 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8966, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1990-01-30T09:51:57-04:00", "utc": "1990-01-30T13:51:57Z", "ms": 633707516807.0043 }, "end": { "local": "1990-01-31T07:52:18-04:00", "utc": "1990-01-31T11:52:18Z", "ms": 633786738471.4253 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-01-30T09:51:57-04:00", "utc": "1990-01-30T13:51:57Z", "ms": 633707516807.0043 }, "end": { "local": "1990-01-31T07:52:18-04:00", "utc": "1990-01-31T11:52:18Z", "ms": 633786738471.4253 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-01-30", "window": { "start": { "local": "1990-01-30T12:21:23-04:00", "utc": "1990-01-30T16:21:23Z", "ms": 633716482687.2864 }, "end": { "local": "1990-01-30T13:09:23-04:00", "utc": "1990-01-30T17:09:23Z", "ms": 633719362687.2864 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-01-31", "window": { "start": { "local": "1990-01-31T12:21:32-04:00", "utc": "1990-01-31T16:21:32Z", "ms": 633802891902.8158 }, "end": { "local": "1990-01-31T13:09:32-04:00", "utc": "1990-01-31T17:09:32Z", "ms": 633805771902.8158 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:52 on Tue 30 Jan to 07:52 on Wed 31 Jan.", "fact": "1990-01-30T13:51:57Z → 1990-01-31T11:52:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 30th, 12:22–13:10 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8966 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Valencia, 1990: Tuesday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-01-30", "confidence": "determinate" } ], "quote": "In Valencia, Vasanta Pañcamī 1990 falls on Tuesday 30 January. Pañcamī runs from 09:52 on Tue 30 Jan to 07:52 on Wed 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1786, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1990-02-01T05:46:10-04:00", "utc": "1990-02-01T09:46:10Z", "ms": 633865570196.2764 }, "end": { "local": "1990-02-02T03:37:04-04:00", "utc": "1990-02-02T07:37:04Z", "ms": 633944223828.1309 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-02-01T05:46:10-04:00", "utc": "1990-02-01T09:46:10Z", "ms": 633865570196.2764 }, "end": { "local": "1990-02-02T03:37:04-04:00", "utc": "1990-02-02T07:37:04Z", "ms": 633944223828.1309 } }, "kaala": "arunodaya", "days": [ { "local_date": "1990-02-01", "window": { "start": { "local": "1990-02-01T05:16:24-04:00", "utc": "1990-02-01T09:16:24Z", "ms": 633863783950.9305 }, "end": { "local": "1990-02-01T06:54:55-04:00", "utc": "1990-02-01T10:54:55Z", "ms": 633869694600.104 } }, "covered_min": 69, "window_min": 99, "qualifies": true }, { "local_date": "1990-02-02", "window": { "start": { "local": "1990-02-02T05:16:22-04:00", "utc": "1990-02-02T09:16:22Z", "ms": 633950182009.8539 }, "end": { "local": "1990-02-02T06:54:49-04:00", "utc": "1990-02-02T10:54:49Z", "ms": 633956089094.4149 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:46 on Thu 1 Feb to 03:37 on Fri 2 Feb.", "fact": "1990-02-01T09:46:10Z → 1990-02-02T07:37:04Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:16–06:55 on the 1st, 05:16–06:55 on the 2nd.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 69 of 99 minutes on the 1st and 0 of 98 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1786 s" }, { "step": "ruling", "text": "Ratha Saptamī, Valencia, 1990: Thursday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-01", "confidence": "determinate" } ], "quote": "In Valencia, Ratha Saptamī 1990 falls on Thursday 1 February. Saptamī runs from 05:46 on Thu 1 Feb to 03:37 on Fri 2 Feb and covers 69 of 99 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-02-05", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34244, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-02-04T21:23:43-04:00", "utc": "1990-02-05T01:23:43Z", "ms": 634181022719.8356 }, "end": { "local": "1990-02-05T19:34:36-04:00", "utc": "1990-02-05T23:34:36Z", "ms": 634260875975.4829 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-02-04T21:23:43-04:00", "utc": "1990-02-05T01:23:43Z", "ms": 634181022719.8356 }, "end": { "local": "1990-02-05T19:34:36-04:00", "utc": "1990-02-05T23:34:36Z", "ms": 634260875975.4829 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-02-05", "window": { "start": { "local": "1990-02-05T06:54:26-04:00", "utc": "1990-02-05T10:54:26Z", "ms": 634215266466.4863 }, "end": { "local": "1990-02-05T06:54:26-04:00", "utc": "1990-02-05T10:54:26Z", "ms": 634215266466.4863 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-02-06", "window": { "start": { "local": "1990-02-06T06:54:17-04:00", "utc": "1990-02-06T10:54:17Z", "ms": 634301656922.4531 }, "end": { "local": "1990-02-06T06:54:17-04:00", "utc": "1990-02-06T10:54:17Z", "ms": 634301656922.4531 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:24 on Sun 4 Feb to 19:35 on Mon 5 Feb.", "fact": "1990-02-05T01:23:43Z → 1990-02-05T23:34:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 5th and 06:54 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34244 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Valencia, 1990: Monday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-05", "confidence": "determinate" } ], "quote": "In Valencia, Jayā Ekādaśī 1990 falls on Monday 5 February. Ekādaśī runs from 21:24 on Sun 4 Feb to 19:35 on Mon 5 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17336, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1990-02-05T19:34:36-04:00", "utc": "1990-02-05T23:34:36Z", "ms": 634260875975.4829 }, "end": { "local": "1990-02-06T17:59:06-04:00", "utc": "1990-02-06T21:59:06Z", "ms": 634341545551.7134 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-02-05T19:34:36-04:00", "utc": "1990-02-05T23:34:36Z", "ms": 634260875975.4829 }, "end": { "local": "1990-02-06T17:59:06-04:00", "utc": "1990-02-06T21:59:06Z", "ms": 634341545551.7134 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-02-05", "window": { "start": { "local": "1990-02-05T12:22:05-04:00", "utc": "1990-02-05T16:22:05Z", "ms": 634234925417.9006 }, "end": { "local": "1990-02-05T13:10:05-04:00", "utc": "1990-02-05T17:10:05Z", "ms": 634237805417.9006 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-02-06", "window": { "start": { "local": "1990-02-06T12:22:10-04:00", "utc": "1990-02-06T16:22:10Z", "ms": 634321329629.556 }, "end": { "local": "1990-02-06T13:10:10-04:00", "utc": "1990-02-06T17:10:10Z", "ms": 634324209629.556 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:35 on Mon 5 Feb to 17:59 on Tue 6 Feb.", "fact": "1990-02-05T23:34:36Z → 1990-02-06T21:59:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 5th, 12:22–13:10 on the 6th.", "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 5th and 48 of 48 on the 6th.", "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 17336 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Valencia, 1990: Tuesday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-06", "confidence": "determinate" } ], "quote": "In Valencia, Bhīṣma Dvādaśī 1990 falls on Tuesday 6 February. Dvādaśī runs from 19:35 on Mon 5 Feb to 17:59 on Tue 6 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/pradosha-vrata?on=1990-02-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2337, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-02-06T17:59:06-04:00", "utc": "1990-02-06T21:59:06Z", "ms": 634341545551.7134 }, "end": { "local": "1990-02-07T16:41:15-04:00", "utc": "1990-02-07T20:41:15Z", "ms": 634423275258.8938 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-02-06T17:59:06-04:00", "utc": "1990-02-06T21:59:06Z", "ms": 634341545551.7134 }, "end": { "local": "1990-02-07T16:41:15-04:00", "utc": "1990-02-07T20:41:15Z", "ms": 634423275258.8938 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-02-06", "window": { "start": { "local": "1990-02-06T18:38:02-04:00", "utc": "1990-02-06T22:38:02Z", "ms": 634343882336.6589 }, "end": { "local": "1990-02-06T20:16:11-04:00", "utc": "1990-02-07T00:16:11Z", "ms": 634349770878.3481 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1990-02-07", "window": { "start": { "local": "1990-02-07T18:38:20-04:00", "utc": "1990-02-07T22:38:20Z", "ms": 634430299653.3477 }, "end": { "local": "1990-02-07T20:16:24-04:00", "utc": "1990-02-08T00:16:24Z", "ms": 634436184354.4913 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:59 on Tue 6 Feb to 16:41 on Wed 7 Feb.", "fact": "1990-02-06T21:59:06Z → 1990-02-07T20:41:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:16 on the 6th, 18:38–20:16 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 6th and 0 of 98 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2337 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Tuesday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-06", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Tuesday 6 February. Trayodaśī runs from 17:59 on Tue 6 Feb to 16:41 on Wed 7 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7527, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-02-08T15:45:23-04:00", "utc": "1990-02-08T19:45:23Z", "ms": 634506322792.6774 }, "end": { "local": "1990-02-09T15:15:44-04:00", "utc": "1990-02-09T19:15:44Z", "ms": 634590944011.1886 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1990-02-08T15:45:23-04:00", "utc": "1990-02-08T19:45:23Z", "ms": 634506322792.6774 }, "end": { "local": "1990-02-09T15:15:44-04:00", "utc": "1990-02-09T19:15:44Z", "ms": 634590944011.1886 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-02-08", "window": { "start": { "local": "1990-02-08T12:22:16-04:00", "utc": "1990-02-08T16:22:16Z", "ms": 634494135617.879 }, "end": { "local": "1990-02-08T13:10:16-04:00", "utc": "1990-02-08T17:10:16Z", "ms": 634497015617.879 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-02-09", "window": { "start": { "local": "1990-02-09T12:22:17-04:00", "utc": "1990-02-09T16:22:17Z", "ms": 634580537414.8662 }, "end": { "local": "1990-02-09T13:10:17-04:00", "utc": "1990-02-09T17:10:17Z", "ms": 634583417414.8662 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:45 on Thu 8 Feb to 15:16 on Fri 9 Feb.", "fact": "1990-02-08T19:45:23Z → 1990-02-09T19:15:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 8th, 12:22–13:10 on the 9th.", "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 8th and 48 of 48 on the 9th.", "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 7527 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Valencia, 1990: Friday 9 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": "1990-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-09", "confidence": "determinate" } ], "quote": "In Valencia, Māghī Pūrṇimā 1990 falls on Friday 9 February. Pūrṇimā runs from 15:45 on Thu 8 Feb to 15:16 on Fri 9 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-02-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11853, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-02-12T16:56:03-04:00", "utc": "1990-02-12T20:56:03Z", "ms": 634856163278.0697 }, "end": { "local": "1990-02-13T18:34:45-04:00", "utc": "1990-02-13T22:34:45Z", "ms": 634948484973.7311 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1990-02-12T16:56:03-04:00", "utc": "1990-02-12T20:56:03Z", "ms": 634856163278.0697 }, "end": { "local": "1990-02-13T18:34:45-04:00", "utc": "1990-02-13T22:34:45Z", "ms": 634948484973.7311 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-02-12", "window": { "start": { "local": "1990-02-12T21:06:54-04:00", "utc": "1990-02-13T01:06:54Z", "ms": 634871214171.7583 }, "end": { "local": "1990-02-12T21:06:54-04:00", "utc": "1990-02-13T01:06:54Z", "ms": 634871214171.7583 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-02-13", "window": { "start": { "local": "1990-02-13T21:52:18-04:00", "utc": "1990-02-14T01:52:18Z", "ms": 634960338222.9333 }, "end": { "local": "1990-02-13T21:52:18-04:00", "utc": "1990-02-14T01:52:18Z", "ms": 634960338222.9333 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:56 on Mon 12 Feb to 18:35 on Tue 13 Feb.", "fact": "1990-02-12T20:56:03Z → 1990-02-13T22:34:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:07 on the 12th and 21:52 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11853 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Monday 12 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-12", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Monday 12 February. Caturthī runs from 16:56 on Mon 12 Feb to 18:35 on Tue 13 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-02-12", "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/1990/ekadashi?on=1990-02-21", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2484, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-02-20T07:31:52-04:00", "utc": "1990-02-20T11:31:52Z", "ms": 635513511600.9386 }, "end": { "local": "1990-02-21T08:23:41-04:00", "utc": "1990-02-21T12:23:41Z", "ms": 635603021226.5336 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1990-02-20T07:31:52-04:00", "utc": "1990-02-20T11:31:52Z", "ms": 635513511600.9386 }, "end": { "local": "1990-02-21T08:23:41-04:00", "utc": "1990-02-21T12:23:41Z", "ms": 635603021226.5336 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-02-20", "window": { "start": { "local": "1990-02-20T06:50:28-04:00", "utc": "1990-02-20T10:50:28Z", "ms": 635511027998.9167 }, "end": { "local": "1990-02-20T06:50:28-04:00", "utc": "1990-02-20T10:50:28Z", "ms": 635511027998.9167 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-02-21", "window": { "start": { "local": "1990-02-21T06:50:06-04:00", "utc": "1990-02-21T10:50:06Z", "ms": 635597405537.6652 }, "end": { "local": "1990-02-21T06:50:06-04:00", "utc": "1990-02-21T10:50:06Z", "ms": 635597405537.6652 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:32 on Tue 20 Feb to 08:24 on Wed 21 Feb.", "fact": "1990-02-20T11:31:52Z → 1990-02-21T12:23:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 20th and 06:50 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2484 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Valencia, 1990: Wednesday 21 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": "1990-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-21", "confidence": "determinate" } ], "quote": "In Valencia, Vijayā Ekādaśī 1990 falls on Wednesday 21 February. Ekādaśī runs from 07:32 on Tue 20 Feb to 08:24 on Wed 21 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-02-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-02-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36554, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-02-22T08:32:12-04:00", "utc": "1990-02-22T12:32:12Z", "ms": 635689932279.4508 }, "end": { "local": "1990-02-23T07:57:32-04:00", "utc": "1990-02-23T11:57:32Z", "ms": 635774251621.7256 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1990-02-22T08:32:12-04:00", "utc": "1990-02-22T12:32:12Z", "ms": 635689932279.4508 }, "end": { "local": "1990-02-23T07:57:32-04:00", "utc": "1990-02-23T11:57:32Z", "ms": 635774251621.7256 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-02-22", "window": { "start": { "local": "1990-02-22T18:41:26-04:00", "utc": "1990-02-22T22:41:26Z", "ms": 635726485891.7249 }, "end": { "local": "1990-02-22T20:18:29-04:00", "utc": "1990-02-23T00:18:29Z", "ms": 635732308902.8175 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1990-02-23", "window": { "start": { "local": "1990-02-23T18:41:34-04:00", "utc": "1990-02-23T22:41:34Z", "ms": 635812893774.9064 }, "end": { "local": "1990-02-23T20:18:32-04:00", "utc": "1990-02-24T00:18:32Z", "ms": 635818712459.3197 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:32 on Thu 22 Feb to 07:58 on Fri 23 Feb.", "fact": "1990-02-22T12:32:12Z → 1990-02-23T11:57:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:18 on the 22nd, 18:42–20:19 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 22nd and 0 of 97 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36554 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Thursday 22 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": "1990-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-22", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Thursday 22 February. Trayodaśī runs from 08:32 on Thu 22 Feb to 07:58 on Fri 23 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-02-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20027, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-02-23T07:57:32-04:00", "utc": "1990-02-23T11:57:32Z", "ms": 635774251621.7256 }, "end": { "local": "1990-02-24T06:43:01-04:00", "utc": "1990-02-24T10:43:01Z", "ms": 635856180773.4911 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1990-02-23T07:57:32-04:00", "utc": "1990-02-23T11:57:32Z", "ms": 635774251621.7256 }, "end": { "local": "1990-02-24T06:43:01-04:00", "utc": "1990-02-24T10:43:01Z", "ms": 635856180773.4911 } }, "kaala": "nishita", "days": [ { "local_date": "1990-02-22", "window": { "start": { "local": "1990-02-23T00:21:22-04:00", "utc": "1990-02-23T04:21:22Z", "ms": 635746882183.322 }, "end": { "local": "1990-02-23T01:09:22-04:00", "utc": "1990-02-23T05:09:22Z", "ms": 635749762183.322 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-02-23", "window": { "start": { "local": "1990-02-24T00:21:14-04:00", "utc": "1990-02-24T04:21:14Z", "ms": 635833273841.4564 }, "end": { "local": "1990-02-24T01:09:14-04:00", "utc": "1990-02-24T05:09:14Z", "ms": 635836153841.4564 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:58 on Fri 23 Feb to 06:43 on Sat 24 Feb.", "fact": "1990-02-23T11:57:32Z → 1990-02-24T10:43:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:21–01:09 on the 22nd, 00:21–01:09 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 20027 s" }, { "step": "ruling", "text": "Mahāśivarātri, Valencia, 1990: Friday 23 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": "1990-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-23", "confidence": "determinate" } ], "quote": "In Valencia, Mahāśivarātri 1990 falls on Friday 23 February. Caturdaśī runs from 07:58 on Fri 23 Feb to 06:43 on Sat 24 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vinayaka-chaturthi?on=1990-02-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19451, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-02-27T21:20:00-04:00", "utc": "1990-02-28T01:20:00Z", "ms": 636168000025.3899 }, "end": { "local": "1990-02-28T18:32:48-04:00", "utc": "1990-02-28T22:32:48Z", "ms": 636244368122.118 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1990-02-27T21:20:00-04:00", "utc": "1990-02-28T01:20:00Z", "ms": 636168000025.3899 }, "end": { "local": "1990-02-28T18:32:48-04:00", "utc": "1990-02-28T22:32:48Z", "ms": 636244368122.118 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-02-27", "window": { "start": { "local": "1990-02-27T12:20:48-04:00", "utc": "1990-02-27T16:20:48Z", "ms": 636135648235.1797 }, "end": { "local": "1990-02-27T13:08:48-04:00", "utc": "1990-02-27T17:08:48Z", "ms": 636138528235.1797 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-02-28", "window": { "start": { "local": "1990-02-28T12:20:37-04:00", "utc": "1990-02-28T16:20:37Z", "ms": 636222037353.5193 }, "end": { "local": "1990-02-28T13:08:37-04:00", "utc": "1990-02-28T17:08:37Z", "ms": 636224917353.5193 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:20 on Tue 27 Feb to 18:33 on Wed 28 Feb.", "fact": "1990-02-28T01:20:00Z → 1990-02-28T22:32:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 27th, 12:21–13:09 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19451 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Wednesday 28 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": "1990-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-02-28", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Wednesday 28 February. Caturthī runs from 21:20 on Tue 27 Feb to 18:33 on Wed 28 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-02-28", "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/1990/ekadashi?on=1990-03-06", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 763, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-03-06T06:31:31-04:00", "utc": "1990-03-06T10:31:31Z", "ms": 636719490965.5552 }, "end": { "local": "1990-03-07T05:48:21-04:00", "utc": "1990-03-07T09:48:21Z", "ms": 636803300909.2358 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1990-03-06T06:31:31-04:00", "utc": "1990-03-06T10:31:31Z", "ms": 636719490965.5552 }, "end": { "local": "1990-03-07T05:48:21-04:00", "utc": "1990-03-07T09:48:21Z", "ms": 636803300909.2358 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-03-06", "window": { "start": { "local": "1990-03-06T06:44:14-04:00", "utc": "1990-03-06T10:44:14Z", "ms": 636720254421.535 }, "end": { "local": "1990-03-06T06:44:14-04:00", "utc": "1990-03-06T10:44:14Z", "ms": 636720254421.535 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-03-07", "window": { "start": { "local": "1990-03-07T06:43:44-04:00", "utc": "1990-03-07T10:43:44Z", "ms": 636806623526.8755 }, "end": { "local": "1990-03-07T06:43:44-04:00", "utc": "1990-03-07T10:43:44Z", "ms": 636806623526.8755 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:32 on Tue 6 Mar to 05:48 on Wed 7 Mar.", "fact": "1990-03-06T10:31:31Z → 1990-03-07T09:48:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 6th and 06:44 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 763 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Valencia, 1990: Tuesday 6 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-06", "confidence": "determinate" } ], "quote": "In Valencia, Āmalakī Ekādaśī 1990 falls on Tuesday 6 March. Ekādaśī runs from 06:32 on Tue 6 Mar to 05:48 on Wed 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-03-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-03-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33055, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-03-08T05:29:31-04:00", "utc": "1990-03-08T09:29:31Z", "ms": 636888570974.1334 }, "end": { "local": "1990-03-09T05:34:53-04:00", "utc": "1990-03-09T09:34:53Z", "ms": 636975293343.4507 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1990-03-08T05:29:31-04:00", "utc": "1990-03-08T09:29:31Z", "ms": 636888570974.1334 }, "end": { "local": "1990-03-09T05:34:53-04:00", "utc": "1990-03-09T09:34:53Z", "ms": 636975293343.4507 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-03-07", "window": { "start": { "local": "1990-03-07T18:42:31-04:00", "utc": "1990-03-07T22:42:31Z", "ms": 636849750723.2072 }, "end": { "local": "1990-03-07T20:18:36-04:00", "utc": "1990-03-08T00:18:36Z", "ms": 636855516251.865 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1990-03-08", "window": { "start": { "local": "1990-03-08T18:42:33-04:00", "utc": "1990-03-08T22:42:33Z", "ms": 636936152725.3496 }, "end": { "local": "1990-03-08T20:18:34-04:00", "utc": "1990-03-09T00:18:34Z", "ms": 636941913752.7185 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:30 on Thu 8 Mar to 05:35 on Fri 9 Mar.", "fact": "1990-03-08T09:29:31Z → 1990-03-09T09:34:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:19 on the 7th, 18:43–20:19 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 7th and 96 of 96 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33055 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Thursday 8 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-08", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Thursday 8 March. Trayodaśī runs from 05:30 on Thu 8 Mar to 05:35 on Fri 9 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-03-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33595, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-03-10T06:04:30-04:00", "utc": "1990-03-10T10:04:30Z", "ms": 637063469670.9183 }, "end": { "local": "1990-03-11T06:58:30-04:00", "utc": "1990-03-11T10:58:30Z", "ms": 637153109991.6724 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1990-03-10T06:04:30-04:00", "utc": "1990-03-10T10:04:30Z", "ms": 637063469670.9183 }, "end": { "local": "1990-03-11T06:58:30-04:00", "utc": "1990-03-11T10:58:30Z", "ms": 637153109991.6724 } }, "kaala": "sayahna", "days": [ { "local_date": "1990-03-10", "window": { "start": { "local": "1990-03-10T16:18:30-04:00", "utc": "1990-03-10T20:18:30Z", "ms": 637100310237.3461 }, "end": { "local": "1990-03-10T18:42:36-04:00", "utc": "1990-03-10T22:42:36Z", "ms": 637108955726.701 } }, "covered_min": 144, "window_min": 144, "qualifies": true }, { "local_date": "1990-03-11", "window": { "start": { "local": "1990-03-11T16:18:25-04:00", "utc": "1990-03-11T20:18:25Z", "ms": 637186704566.1823 }, "end": { "local": "1990-03-11T18:42:37-04:00", "utc": "1990-03-11T22:42:37Z", "ms": 637195356767.256 } }, "covered_min": 0, "window_min": 144, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:04 on Sat 10 Mar to 06:58 on Sun 11 Mar.", "fact": "1990-03-10T10:04:30Z → 1990-03-11T10:58:30Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:19–18:43 on the 10th, 16:18–18:43 on the 11th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 144 of 144 minutes on the 10th and 0 of 144 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33595 s" }, { "step": "ruling", "text": "Holikā Dahana, Valencia, 1990: Saturday 10 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": "1990-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-10", "confidence": "determinate" } ], "quote": "In Valencia, Holikā Dahana 1990 falls on Saturday 10 March. Pūrṇimā runs from 06:04 on Sat 10 Mar to 06:58 on Sun 11 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33595, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-03-10T06:04:30-04:00", "utc": "1990-03-10T10:04:30Z", "ms": 637063469670.9183 }, "end": { "local": "1990-03-11T06:58:30-04:00", "utc": "1990-03-11T10:58:30Z", "ms": 637153109991.6724 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1990-03-10T06:04:30-04:00", "utc": "1990-03-10T10:04:30Z", "ms": 637063469670.9183 }, "end": { "local": "1990-03-11T06:58:30-04:00", "utc": "1990-03-11T10:58:30Z", "ms": 637153109991.6724 } }, "kaala": "sayahna", "days": [ { "local_date": "1990-03-10", "window": { "start": { "local": "1990-03-10T16:18:30-04:00", "utc": "1990-03-10T20:18:30Z", "ms": 637100310237.3461 }, "end": { "local": "1990-03-10T18:42:36-04:00", "utc": "1990-03-10T22:42:36Z", "ms": 637108955726.701 } }, "covered_min": 144, "window_min": 144, "qualifies": true }, { "local_date": "1990-03-11", "window": { "start": { "local": "1990-03-11T16:18:25-04:00", "utc": "1990-03-11T20:18:25Z", "ms": 637186704566.1823 }, "end": { "local": "1990-03-11T18:42:37-04:00", "utc": "1990-03-11T22:42:37Z", "ms": 637195356767.256 } }, "covered_min": 0, "window_min": 144, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1990-03-10", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:04 on Sat 10 Mar to 06:58 on Sun 11 Mar.", "fact": "1990-03-10T10:04:30Z → 1990-03-11T10:58:30Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:19–18:43 on the 10th, 16:18–18:43 on the 11th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 144 of 144 minutes on the 10th and 0 of 144 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33595 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Saturday 10 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Valencia, 1990: Sunday 11 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": "1990-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-11", "confidence": "determinate" } ], "quote": "In Valencia, Holī 1990 falls on Sunday 11 March. It is kept the day after Holikā Dahana, which falls on Saturday 10 March. Pūrṇimā runs from 06:04 on Sat 10 Mar to 06:58 on Sun 11 Mar and covers all of sāyāhna on the 10th.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1014, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1990-03-11T06:58:30-04:00", "utc": "1990-03-11T10:58:30Z", "ms": 637153109991.6724 }, "end": { "local": "1990-03-12T08:16:54-04:00", "utc": "1990-03-12T12:16:54Z", "ms": 637244213746.5944 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-11T06:58:30-04:00", "utc": "1990-03-11T10:58:30Z", "ms": 637153109991.6724 }, "end": { "local": "1990-03-12T08:16:54-04:00", "utc": "1990-03-12T12:16:54Z", "ms": 637244213746.5944 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-03-11", "window": { "start": { "local": "1990-03-11T06:41:36-04:00", "utc": "1990-03-11T10:41:36Z", "ms": 637152095761.8871 }, "end": { "local": "1990-03-11T06:41:36-04:00", "utc": "1990-03-11T10:41:36Z", "ms": 637152095761.8871 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-03-12", "window": { "start": { "local": "1990-03-12T06:41:03-04:00", "utc": "1990-03-12T10:41:03Z", "ms": 637238462902.3723 }, "end": { "local": "1990-03-12T06:41:03-04:00", "utc": "1990-03-12T10:41:03Z", "ms": 637238462902.3723 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:58 on Sun 11 Mar to 08:17 on Mon 12 Mar.", "fact": "1990-03-11T10:58:30Z → 1990-03-12T12:16:54Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 11th and 06:41 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 1014 s" }, { "step": "ruling", "text": "Vasantotsava, Valencia, 1990: Monday 12 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-12", "confidence": "determinate" } ], "quote": "In Valencia, Vasantotsava 1990 falls on Monday 12 March. Pratipadā runs from 06:58 on Sun 11 Mar to 08:17 on Mon 12 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-03-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27915, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-03-14T12:02:10-04:00", "utc": "1990-03-14T16:02:10Z", "ms": 637430529931.7213 }, "end": { "local": "1990-03-15T14:22:00-04:00", "utc": "1990-03-15T18:22:00Z", "ms": 637525320493.6432 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-14T12:02:10-04:00", "utc": "1990-03-14T16:02:10Z", "ms": 637430529931.7213 }, "end": { "local": "1990-03-15T14:22:00-04:00", "utc": "1990-03-15T18:22:00Z", "ms": 637525320493.6432 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-03-14", "window": { "start": { "local": "1990-03-14T21:18:47-04:00", "utc": "1990-03-15T01:18:47Z", "ms": 637463927055.7468 }, "end": { "local": "1990-03-14T21:18:47-04:00", "utc": "1990-03-15T01:18:47Z", "ms": 637463927055.7468 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-03-15", "window": { "start": { "local": "1990-03-15T22:07:15-04:00", "utc": "1990-03-16T02:07:15Z", "ms": 637553235390.959 }, "end": { "local": "1990-03-15T22:07:15-04:00", "utc": "1990-03-16T02:07:15Z", "ms": 637553235390.959 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:02 on Wed 14 Mar to 14:22 on Thu 15 Mar.", "fact": "1990-03-14T16:02:10Z → 1990-03-15T18:22:00Z" }, { "step": "kaala", "text": "Moonrise is at 21:19 on the 14th and 22:07 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27915 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Wednesday 14 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": "1990-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-14", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Wednesday 14 March. Caturthī runs from 12:02 on Wed 14 Mar to 14:22 on Thu 15 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30500, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1990-03-18T21:32:29-04:00", "utc": "1990-03-19T01:32:29Z", "ms": 637810348555.8408 }, "end": { "local": "1990-03-19T23:20:20-04:00", "utc": "1990-03-20T03:20:20Z", "ms": 637903219869.6486 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-18T21:32:29-04:00", "utc": "1990-03-19T01:32:29Z", "ms": 637810348555.8408 }, "end": { "local": "1990-03-19T23:20:20-04:00", "utc": "1990-03-20T03:20:20Z", "ms": 637903219869.6486 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-03-18", "window": { "start": { "local": "1990-03-18T12:16:09-04:00", "utc": "1990-03-18T16:16:09Z", "ms": 637776968694.1458 }, "end": { "local": "1990-03-18T13:04:09-04:00", "utc": "1990-03-18T17:04:09Z", "ms": 637779848694.1458 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-03-19", "window": { "start": { "local": "1990-03-19T12:15:51-04:00", "utc": "1990-03-19T16:15:51Z", "ms": 637863351111.1416 }, "end": { "local": "1990-03-19T13:03:51-04:00", "utc": "1990-03-19T17:03:51Z", "ms": 637866231111.1416 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:32 on Sun 18 Mar to 23:20 on Mon 19 Mar.", "fact": "1990-03-19T01:32:29Z → 1990-03-20T03:20:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 18th, 12:16–13:04 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30500 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Valencia, 1990: Monday 19 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": "1990-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-19", "confidence": "determinate" } ], "quote": "In Valencia, Śītalāṣṭamī 1990 falls on Monday 19 March. Aṣṭamī runs from 21:32 on Sun 18 Mar to 23:20 on Mon 19 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-03-22", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20335, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-03-22T00:56:26-04:00", "utc": "1990-03-22T04:56:26Z", "ms": 638081786081.4366 }, "end": { "local": "1990-03-23T00:32:59-04:00", "utc": "1990-03-23T04:32:59Z", "ms": 638166779114.763 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-22T00:56:26-04:00", "utc": "1990-03-22T04:56:26Z", "ms": 638081786081.4366 }, "end": { "local": "1990-03-23T00:32:59-04:00", "utc": "1990-03-23T04:32:59Z", "ms": 638166779114.763 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-03-22", "window": { "start": { "local": "1990-03-22T06:35:21-04:00", "utc": "1990-03-22T10:35:21Z", "ms": 638102121094.6077 }, "end": { "local": "1990-03-22T06:35:21-04:00", "utc": "1990-03-22T10:35:21Z", "ms": 638102121094.6077 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-03-23", "window": { "start": { "local": "1990-03-23T06:34:46-04:00", "utc": "1990-03-23T10:34:46Z", "ms": 638188486128.0818 }, "end": { "local": "1990-03-23T06:34:46-04:00", "utc": "1990-03-23T10:34:46Z", "ms": 638188486128.0818 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:56 on Thu 22 Mar to 00:33 on Fri 23 Mar.", "fact": "1990-03-22T04:56:26Z → 1990-03-23T04:32:59Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 22nd and 06:35 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 not 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 20335 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Valencia, 1990: Thursday 22 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": "1990-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-22", "confidence": "determinate" } ], "quote": "In Valencia, Pāpamocanī Ekādaśī 1990 falls on Thursday 22 March. Ekādaśī runs from 00:56 on Thu 22 Mar to 00:33 on Fri 23 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-03-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4037, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-03-23T23:21:01-04:00", "utc": "1990-03-24T03:21:01Z", "ms": 638248861012.1802 }, "end": { "local": "1990-03-24T21:24:38-04:00", "utc": "1990-03-25T01:24:38Z", "ms": 638328277877.5515 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-23T23:21:01-04:00", "utc": "1990-03-24T03:21:01Z", "ms": 638248861012.1802 }, "end": { "local": "1990-03-24T21:24:38-04:00", "utc": "1990-03-25T01:24:38Z", "ms": 638328277877.5515 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-03-23", "window": { "start": { "local": "1990-03-23T18:42:33-04:00", "utc": "1990-03-23T22:42:33Z", "ms": 638232153197.2749 }, "end": { "local": "1990-03-23T20:17:26-04:00", "utc": "1990-03-24T00:17:26Z", "ms": 638237846252.3434 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1990-03-24", "window": { "start": { "local": "1990-03-24T18:42:32-04:00", "utc": "1990-03-24T22:42:32Z", "ms": 638318552127.8102 }, "end": { "local": "1990-03-24T20:17:21-04:00", "utc": "1990-03-25T00:17:21Z", "ms": 638324240652.3468 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:21 on Fri 23 Mar to 21:25 on Sat 24 Mar.", "fact": "1990-03-24T03:21:01Z → 1990-03-25T01:24:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:17 on the 23rd, 18:43–20:17 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 23rd and 95 of 95 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4037 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Saturday 24 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": "1990-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-24", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Saturday 24 March. Trayodaśī runs from 23:21 on Fri 23 Mar to 21:25 on Sat 24 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shivaratri?on=1990-03-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10166, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-03-24T21:24:38-04:00", "utc": "1990-03-25T01:24:38Z", "ms": 638328277877.5515 }, "end": { "local": "1990-03-25T18:50:46-04:00", "utc": "1990-03-25T22:50:46Z", "ms": 638405446250.2479 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-24T21:24:38-04:00", "utc": "1990-03-25T01:24:38Z", "ms": 638328277877.5515 }, "end": { "local": "1990-03-25T18:50:46-04:00", "utc": "1990-03-25T22:50:46Z", "ms": 638405446250.2479 } }, "kaala": "nishita", "days": [ { "local_date": "1990-03-24", "window": { "start": { "local": "1990-03-25T00:14:04-04:00", "utc": "1990-03-25T04:14:04Z", "ms": 638338444094.8225 }, "end": { "local": "1990-03-25T01:02:04-04:00", "utc": "1990-03-25T05:02:04Z", "ms": 638341324094.8225 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-03-25", "window": { "start": { "local": "1990-03-26T00:13:46-04:00", "utc": "1990-03-26T04:13:46Z", "ms": 638424826009.1879 }, "end": { "local": "1990-03-26T01:01:46-04:00", "utc": "1990-03-26T05:01:46Z", "ms": 638427706009.1879 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:25 on Sat 24 Mar to 18:51 on Sun 25 Mar.", "fact": "1990-03-25T01:24:38Z → 1990-03-25T22:50:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 24th, 00:14–01:02 on the 25th.", "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 24th and 0 of 48 on the 25th.", "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 10166 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Saturday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-24", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Saturday 24 March. Caturdaśī runs from 21:25 on Sat 24 Mar to 18:51 on Sun 25 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 831, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1990-03-26T15:48:19-04:00", "utc": "1990-03-26T19:48:19Z", "ms": 638480899151.0181 }, "end": { "local": "1990-03-27T12:27:18-04:00", "utc": "1990-03-27T16:27:18Z", "ms": 638555238034.6041 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-26T15:48:19-04:00", "utc": "1990-03-26T19:48:19Z", "ms": 638480899151.0181 }, "end": { "local": "1990-03-27T12:27:18-04:00", "utc": "1990-03-27T16:27:18Z", "ms": 638555238034.6041 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-03-26", "window": { "start": { "local": "1990-03-26T12:13:45-04:00", "utc": "1990-03-26T16:13:45Z", "ms": 638468025438.708 }, "end": { "local": "1990-03-26T13:01:45-04:00", "utc": "1990-03-26T17:01:45Z", "ms": 638470905438.708 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-03-27", "window": { "start": { "local": "1990-03-27T12:13:27-04:00", "utc": "1990-03-27T16:13:27Z", "ms": 638554407334.0293 }, "end": { "local": "1990-03-27T13:01:27-04:00", "utc": "1990-03-27T17:01:27Z", "ms": 638557287334.0293 } }, "covered_min": 14, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:48 on Mon 26 Mar to 12:27 on Tue 27 Mar.", "fact": "1990-03-26T19:48:19Z → 1990-03-27T16:27:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 26th, 12:13–13:01 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 14 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 831 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Valencia, 1990: Tuesday 27 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": "1990-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-27", "confidence": "determinate" } ], "quote": "In Valencia, Navarātrārambha (Caitra) (Chaitra Navratri) 1990 falls on Tuesday 27 March. Pratipadā runs from 15:48 on Mon 26 Mar to 12:27 on Tue 27 Mar and covers 14 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11696, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1990-03-28T08:58:13-04:00", "utc": "1990-03-28T12:58:13Z", "ms": 638629093054.9025 }, "end": { "local": "1990-03-29T05:31:30-04:00", "utc": "1990-03-29T09:31:30Z", "ms": 638703089897.8641 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-28T08:58:13-04:00", "utc": "1990-03-28T12:58:13Z", "ms": 638629093054.9025 }, "end": { "local": "1990-03-29T05:31:30-04:00", "utc": "1990-03-29T09:31:30Z", "ms": 638703089897.8641 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-03-28", "window": { "start": { "local": "1990-03-28T12:13:09-04:00", "utc": "1990-03-28T16:13:09Z", "ms": 638640789240.0386 }, "end": { "local": "1990-03-28T13:01:09-04:00", "utc": "1990-03-28T17:01:09Z", "ms": 638643669240.0386 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-03-29", "window": { "start": { "local": "1990-03-29T12:12:51-04:00", "utc": "1990-03-29T16:12:51Z", "ms": 638727171171.8549 }, "end": { "local": "1990-03-29T13:00:51-04:00", "utc": "1990-03-29T17:00:51Z", "ms": 638730051171.8549 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:58 on Wed 28 Mar to 05:31 on Thu 29 Mar.", "fact": "1990-03-28T12:58:13Z → 1990-03-29T09:31:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 28th, 12:13–13:01 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11696 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Valencia, 1990: Wednesday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-28", "confidence": "determinate" } ], "quote": "In Valencia, Gaurī Tṛtīyā (Gangaur) 1990 falls on Wednesday 28 March. Tṛtīyā runs from 08:58 on Wed 28 Mar to 05:31 on Thu 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11696, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1990-03-28T08:58:13-04:00", "utc": "1990-03-28T12:58:13Z", "ms": 638629093054.9025 }, "end": { "local": "1990-03-29T05:31:30-04:00", "utc": "1990-03-29T09:31:30Z", "ms": 638703089897.8641 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-28T08:58:13-04:00", "utc": "1990-03-28T12:58:13Z", "ms": 638629093054.9025 }, "end": { "local": "1990-03-29T05:31:30-04:00", "utc": "1990-03-29T09:31:30Z", "ms": 638703089897.8641 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-03-28", "window": { "start": { "local": "1990-03-28T12:13:09-04:00", "utc": "1990-03-28T16:13:09Z", "ms": 638640789240.0386 }, "end": { "local": "1990-03-28T13:01:09-04:00", "utc": "1990-03-28T17:01:09Z", "ms": 638643669240.0386 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-03-29", "window": { "start": { "local": "1990-03-29T12:12:51-04:00", "utc": "1990-03-29T16:12:51Z", "ms": 638727171171.8549 }, "end": { "local": "1990-03-29T13:00:51-04:00", "utc": "1990-03-29T17:00:51Z", "ms": 638730051171.8549 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:58 on Wed 28 Mar to 05:31 on Thu 29 Mar.", "fact": "1990-03-28T12:58:13Z → 1990-03-29T09:31:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 28th, 12:13–13:01 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11696 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Valencia, 1990: Wednesday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-28", "confidence": "determinate" } ], "quote": "In Valencia, Saubhāgya Śayana Vrata 1990 falls on Wednesday 28 March. Tṛtīyā runs from 08:58 on Wed 28 Mar to 05:31 on Thu 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vinayaka-chaturthi?on=1990-03-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24081, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-03-29T05:31:30-04:00", "utc": "1990-03-29T09:31:30Z", "ms": 638703089897.8641 }, "end": { "local": "1990-03-30T02:17:00-04:00", "utc": "1990-03-30T06:17:00Z", "ms": 638777819858.2479 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-29T05:31:30-04:00", "utc": "1990-03-29T09:31:30Z", "ms": 638703089897.8641 }, "end": { "local": "1990-03-30T02:17:00-04:00", "utc": "1990-03-30T06:17:00Z", "ms": 638777819858.2479 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-03-29", "window": { "start": { "local": "1990-03-29T12:12:51-04:00", "utc": "1990-03-29T16:12:51Z", "ms": 638727171171.8549 }, "end": { "local": "1990-03-29T13:00:51-04:00", "utc": "1990-03-29T17:00:51Z", "ms": 638730051171.8549 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-03-30", "window": { "start": { "local": "1990-03-30T12:12:33-04:00", "utc": "1990-03-30T16:12:33Z", "ms": 638813553145.011 }, "end": { "local": "1990-03-30T13:00:33-04:00", "utc": "1990-03-30T17:00:33Z", "ms": 638816433145.011 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:31 on Thu 29 Mar to 02:17 on Fri 30 Mar.", "fact": "1990-03-29T09:31:30Z → 1990-03-30T06:17:00Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24081 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Thursday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-29", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Thursday 29 March. Caturthī runs from 05:31 on Thu 29 Mar to 02:17 on Fri 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35733, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1990-03-30T02:17:00-04:00", "utc": "1990-03-30T06:17:00Z", "ms": 638777819858.2479 }, "end": { "local": "1990-03-30T23:23:30-04:00", "utc": "1990-03-31T03:23:30Z", "ms": 638853810294.3043 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-03-30T02:17:00-04:00", "utc": "1990-03-30T06:17:00Z", "ms": 638777819858.2479 }, "end": { "local": "1990-03-30T23:23:30-04:00", "utc": "1990-03-31T03:23:30Z", "ms": 638853810294.3043 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-03-30", "window": { "start": { "local": "1990-03-30T12:12:33-04:00", "utc": "1990-03-30T16:12:33Z", "ms": 638813553145.011 }, "end": { "local": "1990-03-30T13:00:33-04:00", "utc": "1990-03-30T17:00:33Z", "ms": 638816433145.011 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-03-31", "window": { "start": { "local": "1990-03-31T12:12:15-04:00", "utc": "1990-03-31T16:12:15Z", "ms": 638899935175.8069 }, "end": { "local": "1990-03-31T13:00:15-04:00", "utc": "1990-03-31T17:00:15Z", "ms": 638902815175.8069 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:17 on Fri 30 Mar to 23:24 on Fri 30 Mar.", "fact": "1990-03-30T06:17:00Z → 1990-03-31T03:23:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 30th, 12:12–13:00 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35733 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Valencia, 1990: Friday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-03-30", "confidence": "determinate" } ], "quote": "In Valencia, Lakṣmī Pañcamī 1990 falls on Friday 30 March. Pañcamī runs from 02:17 on Fri 30 Mar to 23:24 on Fri 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17469, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1990-04-01T19:06:24-04:00", "utc": "1990-04-01T23:06:24Z", "ms": 639011184318.9982 }, "end": { "local": "1990-04-02T17:50:48-04:00", "utc": "1990-04-02T21:50:48Z", "ms": 639093048395.0483 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-04-01T19:06:24-04:00", "utc": "1990-04-01T23:06:24Z", "ms": 639011184318.9982 }, "end": { "local": "1990-04-02T17:50:48-04:00", "utc": "1990-04-02T21:50:48Z", "ms": 639093048395.0483 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-04-01", "window": { "start": { "local": "1990-04-01T12:11:57-04:00", "utc": "1990-04-01T16:11:57Z", "ms": 638986317281.4303 }, "end": { "local": "1990-04-01T12:59:57-04:00", "utc": "1990-04-01T16:59:57Z", "ms": 638989197281.4303 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-04-02", "window": { "start": { "local": "1990-04-02T12:11:39-04:00", "utc": "1990-04-02T16:11:39Z", "ms": 639072699480.1382 }, "end": { "local": "1990-04-02T12:59:39-04:00", "utc": "1990-04-02T16:59:39Z", "ms": 639075579480.1382 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:06 on Sun 1 Apr to 17:51 on Mon 2 Apr.", "fact": "1990-04-01T23:06:24Z → 1990-04-02T21:50:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 1st, 12:12–13:00 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17469 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Valencia, 1990: Monday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-02", "confidence": "determinate" } ], "quote": "In Valencia, Bhavānī Utpatti 1990 falls on Monday 2 April. Aṣṭamī runs from 19:06 on Sun 1 Apr to 17:51 on Mon 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15147, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1990-04-02T17:50:48-04:00", "utc": "1990-04-02T21:50:48Z", "ms": 639093048395.0483 }, "end": { "local": "1990-04-03T17:11:49-04:00", "utc": "1990-04-03T21:11:49Z", "ms": 639177108525.2356 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-04-02T17:50:48-04:00", "utc": "1990-04-02T21:50:48Z", "ms": 639093048395.0483 }, "end": { "local": "1990-04-03T17:11:49-04:00", "utc": "1990-04-03T21:11:49Z", "ms": 639177108525.2356 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-04-02", "window": { "start": { "local": "1990-04-02T12:11:39-04:00", "utc": "1990-04-02T16:11:39Z", "ms": 639072699480.1382 }, "end": { "local": "1990-04-02T12:59:39-04:00", "utc": "1990-04-02T16:59:39Z", "ms": 639075579480.1382 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-04-03", "window": { "start": { "local": "1990-04-03T12:11:22-04:00", "utc": "1990-04-03T16:11:22Z", "ms": 639159081791.0388 }, "end": { "local": "1990-04-03T12:59:22-04:00", "utc": "1990-04-03T16:59:22Z", "ms": 639161961791.0388 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 17:51 on Mon 2 Apr to 17:12 on Tue 3 Apr.", "fact": "1990-04-02T21:50:48Z → 1990-04-03T21:11:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 2nd, 12:11–12:59 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15147 s" }, { "step": "ruling", "text": "Rāma Navamī, Valencia, 1990: Tuesday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-03", "confidence": "determinate" } ], "quote": "In Valencia, Rāma Navamī 1990 falls on Tuesday 3 April. Navamī runs from 17:51 on Mon 2 Apr to 17:12 on Tue 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-04-05", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38387, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-04-04T17:07:35-04:00", "utc": "1990-04-04T21:07:35Z", "ms": 639263255242.428 }, "end": { "local": "1990-04-05T17:34:45-04:00", "utc": "1990-04-05T21:34:45Z", "ms": 639351285302.9832 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-04-04T17:07:35-04:00", "utc": "1990-04-04T21:07:35Z", "ms": 639263255242.428 }, "end": { "local": "1990-04-05T17:34:45-04:00", "utc": "1990-04-05T21:34:45Z", "ms": 639351285302.9832 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-04-04", "window": { "start": { "local": "1990-04-04T06:27:48-04:00", "utc": "1990-04-04T10:27:48Z", "ms": 639224868072.0741 }, "end": { "local": "1990-04-04T06:27:48-04:00", "utc": "1990-04-04T10:27:48Z", "ms": 639224868072.0741 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-04-05", "window": { "start": { "local": "1990-04-05T06:27:14-04:00", "utc": "1990-04-05T10:27:14Z", "ms": 639311233961.7682 }, "end": { "local": "1990-04-05T06:27:14-04:00", "utc": "1990-04-05T10:27:14Z", "ms": 639311233961.7682 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:08 on Wed 4 Apr to 17:35 on Thu 5 Apr.", "fact": "1990-04-04T21:07:35Z → 1990-04-05T21:34:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:28 on the 4th and 06:27 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38387 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Valencia, 1990: Thursday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-05", "confidence": "determinate" } ], "quote": "In Valencia, Kāmadā Ekādaśī 1990 falls on Thursday 5 April. Ekādaśī runs from 17:08 on Wed 4 Apr to 17:35 on Thu 5 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-04-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-06", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 788, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-04-06T18:29:12-04:00", "utc": "1990-04-06T22:29:12Z", "ms": 639440951533.519 }, "end": { "local": "1990-04-07T19:46:50-04:00", "utc": "1990-04-07T23:46:50Z", "ms": 639532010485.1934 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-04-06T18:29:12-04:00", "utc": "1990-04-06T22:29:12Z", "ms": 639440951533.519 }, "end": { "local": "1990-04-07T19:46:50-04:00", "utc": "1990-04-07T23:46:50Z", "ms": 639532010485.1934 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-04-06", "window": { "start": { "local": "1990-04-06T18:42:19-04:00", "utc": "1990-04-06T22:42:19Z", "ms": 639441739128.8175 }, "end": { "local": "1990-04-06T20:16:09-04:00", "utc": "1990-04-07T00:16:09Z", "ms": 639447369432.3109 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1990-04-07", "window": { "start": { "local": "1990-04-07T18:42:19-04:00", "utc": "1990-04-07T22:42:19Z", "ms": 639528138711.6068 }, "end": { "local": "1990-04-07T20:16:05-04:00", "utc": "1990-04-08T00:16:05Z", "ms": 639533764617.4799 } }, "covered_min": 65, "window_min": 94, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:29 on Fri 6 Apr to 19:47 on Sat 7 Apr.", "fact": "1990-04-06T22:29:12Z → 1990-04-07T23:46:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:16 on the 6th, 18:42–20:16 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 6th and 65 of 94 on the 7th.", "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 788 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Friday 6 April.", "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": "1990-04-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-06", "confidence": "boundary" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Friday 6 April. Trayodaśī runs from 18:29 on Fri 6 Apr to 19:47 on Sat 7 Apr and covers all of pradoṣa that evening. It also reaches the next evening for 65 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/1990/pradosha-vrata?on=1990-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19842, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-04-06T18:29:12-04:00", "utc": "1990-04-06T22:29:12Z", "ms": 639440951533.519 }, "end": { "local": "1990-04-07T19:46:50-04:00", "utc": "1990-04-07T23:46:50Z", "ms": 639532010485.1934 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-04-06T18:29:12-04:00", "utc": "1990-04-06T22:29:12Z", "ms": 639440951533.519 }, "end": { "local": "1990-04-07T19:46:50-04:00", "utc": "1990-04-07T23:46:50Z", "ms": 639532010485.1934 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-04-06", "window": { "start": { "local": "1990-04-06T12:10:30-04:00", "utc": "1990-04-06T16:10:30Z", "ms": 639418229596.8665 }, "end": { "local": "1990-04-06T12:58:30-04:00", "utc": "1990-04-06T16:58:30Z", "ms": 639421109596.8665 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-04-07", "window": { "start": { "local": "1990-04-07T12:10:13-04:00", "utc": "1990-04-07T16:10:13Z", "ms": 639504612558.3125 }, "end": { "local": "1990-04-07T12:58:13-04:00", "utc": "1990-04-07T16:58:13Z", "ms": 639507492558.3125 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:29 on Fri 6 Apr to 19:47 on Sat 7 Apr.", "fact": "1990-04-06T22:29:12Z → 1990-04-07T23:46:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 6th, 12:10–12:58 on the 7th.", "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 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19842 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Valencia, 1990: Saturday 7 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": "1990-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-07", "confidence": "determinate" } ], "quote": "In Valencia, Anaṅga Trayodaśī 1990 falls on Saturday 7 April. Trayodaśī runs from 18:29 on Fri 6 Apr to 19:47 on Sat 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24518, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-04-07T19:46:50-04:00", "utc": "1990-04-07T23:46:50Z", "ms": 639532010485.1934 }, "end": { "local": "1990-04-08T21:24:13-04:00", "utc": "1990-04-09T01:24:13Z", "ms": 639624253029.5035 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-04-07T19:46:50-04:00", "utc": "1990-04-07T23:46:50Z", "ms": 639532010485.1934 }, "end": { "local": "1990-04-08T21:24:13-04:00", "utc": "1990-04-09T01:24:13Z", "ms": 639624253029.5035 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-04-07", "window": { "start": { "local": "1990-04-07T12:10:13-04:00", "utc": "1990-04-07T16:10:13Z", "ms": 639504612558.3125 }, "end": { "local": "1990-04-07T12:58:13-04:00", "utc": "1990-04-07T16:58:13Z", "ms": 639507492558.3125 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-04-08", "window": { "start": { "local": "1990-04-08T12:09:56-04:00", "utc": "1990-04-08T16:09:56Z", "ms": 639590995734.0835 }, "end": { "local": "1990-04-08T12:57:56-04:00", "utc": "1990-04-08T16:57:56Z", "ms": 639593875734.0835 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:47 on Sat 7 Apr to 21:24 on Sun 8 Apr.", "fact": "1990-04-07T23:46:50Z → 1990-04-09T01:24:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 7th, 12:10–12:58 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24518 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Valencia, 1990: Sunday 8 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": "1990-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-08", "confidence": "determinate" } ], "quote": "In Valencia, Viṣṇudamanaka Caturdaśī 1990 falls on Sunday 8 April. Caturdaśī runs from 19:47 on Sat 7 Apr to 21:24 on Sun 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30377, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-04-08T21:24:13-04:00", "utc": "1990-04-09T01:24:13Z", "ms": 639624253029.5035 }, "end": { "local": "1990-04-09T23:18:29-04:00", "utc": "1990-04-10T03:18:29Z", "ms": 639717508680.9949 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1990-04-08T21:24:13-04:00", "utc": "1990-04-09T01:24:13Z", "ms": 639624253029.5035 }, "end": { "local": "1990-04-09T23:18:29-04:00", "utc": "1990-04-10T03:18:29Z", "ms": 639717508680.9949 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-04-08", "window": { "start": { "local": "1990-04-08T12:09:56-04:00", "utc": "1990-04-08T16:09:56Z", "ms": 639590995734.0835 }, "end": { "local": "1990-04-08T12:57:56-04:00", "utc": "1990-04-08T16:57:56Z", "ms": 639593875734.0835 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-04-09", "window": { "start": { "local": "1990-04-09T12:09:39-04:00", "utc": "1990-04-09T16:09:39Z", "ms": 639677379144.8328 }, "end": { "local": "1990-04-09T12:57:39-04:00", "utc": "1990-04-09T16:57:39Z", "ms": 639680259144.8328 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:24 on Sun 8 Apr to 23:18 on Mon 9 Apr.", "fact": "1990-04-09T01:24:13Z → 1990-04-10T03:18:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 8th, 12:10–12:58 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30377 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Valencia, 1990: Monday 9 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": "1990-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-09", "confidence": "determinate" } ], "quote": "In Valencia, Caitrī Pūrṇimā 1990 falls on Monday 9 April. Pūrṇimā runs from 21:24 on Sun 8 Apr to 23:18 on Mon 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42925, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1990-04-13T18:26:54-04:00", "utc": "1990-04-13T22:26:54Z", "ms": 640045613915.0239 }, "end": { "local": "1990-05-14T15:19:01-04:00", "utc": "1990-05-14T19:19:01Z", "ms": 642712740813.8347 } }, "span": { "of": "transit", "start": { "local": "1990-04-13T18:26:54-04:00", "utc": "1990-04-13T22:26:54Z", "ms": 640045613915.0239 }, "end": { "local": "1990-04-13T18:26:54-04:00", "utc": "1990-04-13T22:26:54Z", "ms": 640045613915.0239 } }, "kaala": "day", "days": [ { "local_date": "1990-04-13", "window": { "start": { "local": "1990-04-13T06:22:51-04:00", "utc": "1990-04-13T10:22:51Z", "ms": 640002170734.8751 }, "end": { "local": "1990-04-14T06:22:19-04:00", "utc": "1990-04-14T10:22:19Z", "ms": 640088539386.0425 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1990-04-14", "window": { "start": { "local": "1990-04-14T06:22:19-04:00", "utc": "1990-04-14T10:22:19Z", "ms": 640088539386.0425 }, "end": { "local": "1990-04-15T06:21:48-04:00", "utc": "1990-04-15T10:21:48Z", "ms": 640174908457.318 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 18:27 on Fri 13 Apr.", "fact": "1990-04-13T22:26:54Z · 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 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 42925 s" }, { "step": "ruling", "text": "Vaiśākhī, Valencia, 1990: Friday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1990-04-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1990-04-13", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Valencia, Vaiśākhī 1990 falls on Friday 13 April. The Sun enters Meṣa at 18:27 on Fri 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-04-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33719, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-04-13T06:13:37-04:00", "utc": "1990-04-13T10:13:37Z", "ms": 640001616613.9661 }, "end": { "local": "1990-04-14T08:40:52-04:00", "utc": "1990-04-14T12:40:52Z", "ms": 640096851854.654 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-04-13T06:13:37-04:00", "utc": "1990-04-13T10:13:37Z", "ms": 640001616613.9661 }, "end": { "local": "1990-04-14T08:40:52-04:00", "utc": "1990-04-14T12:40:52Z", "ms": 640096851854.654 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-04-12", "window": { "start": { "local": "1990-04-12T20:51:37-04:00", "utc": "1990-04-13T00:51:37Z", "ms": 639967897290.0691 }, "end": { "local": "1990-04-12T20:51:37-04:00", "utc": "1990-04-13T00:51:37Z", "ms": 639967897290.0691 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-04-13", "window": { "start": { "local": "1990-04-13T21:42:38-04:00", "utc": "1990-04-14T01:42:38Z", "ms": 640057357642.7719 }, "end": { "local": "1990-04-13T21:42:38-04:00", "utc": "1990-04-14T01:42:38Z", "ms": 640057357642.7719 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:14 on Fri 13 Apr to 08:41 on Sat 14 Apr.", "fact": "1990-04-13T10:13:37Z → 1990-04-14T12:40:52Z" }, { "step": "kaala", "text": "Moonrise is at 20:52 on the 12th and 21:43 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33719 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Friday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-13", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Friday 13 April. Caturthī runs from 06:14 on Fri 13 Apr to 08:41 on Sat 14 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/ekadashi?on=1990-04-21", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24353, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-04-20T14:40:50-04:00", "utc": "1990-04-20T18:40:50Z", "ms": 640636850121.4568 }, "end": { "local": "1990-04-21T13:04:46-04:00", "utc": "1990-04-21T17:04:46Z", "ms": 640717485824.835 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-04-20T14:40:50-04:00", "utc": "1990-04-20T18:40:50Z", "ms": 640636850121.4568 }, "end": { "local": "1990-04-21T13:04:46-04:00", "utc": "1990-04-21T17:04:46Z", "ms": 640717485824.835 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-04-20", "window": { "start": { "local": "1990-04-20T06:19:21-04:00", "utc": "1990-04-20T10:19:21Z", "ms": 640606760837.692 }, "end": { "local": "1990-04-20T06:19:21-04:00", "utc": "1990-04-20T10:19:21Z", "ms": 640606760837.692 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-04-21", "window": { "start": { "local": "1990-04-21T06:18:53-04:00", "utc": "1990-04-21T10:18:53Z", "ms": 640693132853.2114 }, "end": { "local": "1990-04-21T06:18:53-04:00", "utc": "1990-04-21T10:18:53Z", "ms": 640693132853.2114 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:41 on Fri 20 Apr to 13:05 on Sat 21 Apr.", "fact": "1990-04-20T18:40:50Z → 1990-04-21T17:04:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 20th and 06:19 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24353 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Valencia, 1990: Saturday 21 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": "1990-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-21", "confidence": "determinate" } ], "quote": "In Valencia, Varūthinī Ekādaśī 1990 falls on Saturday 21 April. Ekādaśī runs from 14:41 on Fri 20 Apr to 13:05 on Sat 21 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-04-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28776, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-04-22T10:43:06-04:00", "utc": "1990-04-22T14:43:06Z", "ms": 640795385884.5448 }, "end": { "local": "1990-04-23T07:43:09-04:00", "utc": "1990-04-23T11:43:09Z", "ms": 640870988954.0138 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-04-22T10:43:06-04:00", "utc": "1990-04-22T14:43:06Z", "ms": 640795385884.5448 }, "end": { "local": "1990-04-23T07:43:09-04:00", "utc": "1990-04-23T11:43:09Z", "ms": 640870988954.0138 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-04-22", "window": { "start": { "local": "1990-04-22T18:42:42-04:00", "utc": "1990-04-22T22:42:42Z", "ms": 640824161567.4412 }, "end": { "local": "1990-04-22T20:15:24-04:00", "utc": "1990-04-23T00:15:24Z", "ms": 640829723833.0334 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1990-04-23", "window": { "start": { "local": "1990-04-23T18:42:46-04:00", "utc": "1990-04-23T22:42:46Z", "ms": 640910565622.802 }, "end": { "local": "1990-04-23T20:15:24-04:00", "utc": "1990-04-24T00:15:24Z", "ms": 640916123843.4427 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:43 on Sun 22 Apr to 07:43 on Mon 23 Apr.", "fact": "1990-04-22T14:43:06Z → 1990-04-23T11:43:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:15 on the 22nd, 18:43–20:15 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 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. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28776 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Sunday 22 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": "1990-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-22", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Sunday 22 April. Trayodaśī runs from 10:43 on Sun 22 Apr to 07:43 on Mon 23 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-04-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shivaratri?on=1990-04-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12012, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-04-23T07:43:09-04:00", "utc": "1990-04-23T11:43:09Z", "ms": 640870988954.0138 }, "end": { "local": "1990-04-24T04:14:21-04:00", "utc": "1990-04-24T08:14:21Z", "ms": 640944861025.9421 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-04-23T07:43:09-04:00", "utc": "1990-04-23T11:43:09Z", "ms": 640870988954.0138 }, "end": { "local": "1990-04-24T04:14:21-04:00", "utc": "1990-04-24T08:14:21Z", "ms": 640944861025.9421 } }, "kaala": "nishita", "days": [ { "local_date": "1990-04-22", "window": { "start": { "local": "1990-04-23T00:06:20-04:00", "utc": "1990-04-23T04:06:20Z", "ms": 640843580063.4124 }, "end": { "local": "1990-04-23T00:54:20-04:00", "utc": "1990-04-23T04:54:20Z", "ms": 640846460063.4124 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-04-23", "window": { "start": { "local": "1990-04-24T00:06:09-04:00", "utc": "1990-04-24T04:06:09Z", "ms": 640929968950.2048 }, "end": { "local": "1990-04-24T00:54:09-04:00", "utc": "1990-04-24T04:54:09Z", "ms": 640932848950.2048 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:43 on Mon 23 Apr to 04:14 on Tue 24 Apr.", "fact": "1990-04-23T11:43:09Z → 1990-04-24T08:14:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:06–00:54 on the 22nd, 00:06–00:54 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12012 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Monday 23 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": "1990-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-23", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Monday 23 April. Caturdaśī runs from 07:43 on Mon 23 Apr to 04:14 on Tue 24 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-04-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7077, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1990-04-26T16:45:03-04:00", "utc": "1990-04-26T20:45:03Z", "ms": 641162702800.1919 }, "end": { "local": "1990-04-27T13:12:06-04:00", "utc": "1990-04-27T17:12:06Z", "ms": 641236325829.1616 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-04-26T16:45:03-04:00", "utc": "1990-04-26T20:45:03Z", "ms": 641162702800.1919 }, "end": { "local": "1990-04-27T13:12:06-04:00", "utc": "1990-04-27T17:12:06Z", "ms": 641236325829.1616 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-04-26", "window": { "start": { "local": "1990-04-26T18:43:00-04:00", "utc": "1990-04-26T22:43:00Z", "ms": 641169779965.2324 }, "end": { "local": "1990-04-26T20:15:26-04:00", "utc": "1990-04-27T00:15:26Z", "ms": 641175326240.1774 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1990-04-27", "window": { "start": { "local": "1990-04-27T18:43:05-04:00", "utc": "1990-04-27T22:43:05Z", "ms": 641256185472.6367 }, "end": { "local": "1990-04-27T20:15:28-04:00", "utc": "1990-04-28T00:15:28Z", "ms": 641261727832.9315 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:45 on Thu 26 Apr to 13:12 on Fri 27 Apr.", "fact": "1990-04-26T20:45:03Z → 1990-04-27T17:12:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:15 on the 26th, 18:43–20:15 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 92 of 92 minutes on the 26th and 0 of 92 on the 27th.", "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 7077 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Valencia, 1990: Thursday 26 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": "1990-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-26", "confidence": "determinate" } ], "quote": "In Valencia, Paraśurāma Jayantī 1990 falls on Thursday 26 April. Tṛtīyā runs from 16:45 on Thu 26 Apr to 13:12 on Fri 27 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10013, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1990-04-26T16:45:03-04:00", "utc": "1990-04-26T20:45:03Z", "ms": 641162702800.1919 }, "end": { "local": "1990-04-27T13:12:06-04:00", "utc": "1990-04-27T17:12:06Z", "ms": 641236325829.1616 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-04-26T16:45:03-04:00", "utc": "1990-04-26T20:45:03Z", "ms": 641162702800.1919 }, "end": { "local": "1990-04-27T13:12:06-04:00", "utc": "1990-04-27T17:12:06Z", "ms": 641236325829.1616 } }, "kaala": "purvahna", "days": [ { "local_date": "1990-04-26", "window": { "start": { "local": "1990-04-26T06:16:42-04:00", "utc": "1990-04-26T10:16:42Z", "ms": 641125001501.6788 }, "end": { "local": "1990-04-26T10:25:28-04:00", "utc": "1990-04-26T14:25:28Z", "ms": 641139927656.1967 } }, "covered_min": 0, "window_min": 249, "qualifies": false }, { "local_date": "1990-04-27", "window": { "start": { "local": "1990-04-27T06:16:17-04:00", "utc": "1990-04-27T10:16:17Z", "ms": 641211377027.3192 }, "end": { "local": "1990-04-27T10:25:13-04:00", "utc": "1990-04-27T14:25:13Z", "ms": 641226313175.7584 } }, "covered_min": 249, "window_min": 249, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:45 on Thu 26 Apr to 13:12 on Fri 27 Apr.", "fact": "1990-04-26T20:45:03Z → 1990-04-27T17:12:06Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:17–10:25 on the 26th, 06:16–10:25 on the 27th.", "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 249 minutes on the 26th and 249 of 249 on the 27th.", "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 10013 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Valencia, 1990: Friday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-27", "confidence": "determinate" } ], "quote": "In Valencia, Akṣaya Tṛtīyā 1990 falls on Friday 27 April. Tṛtīyā runs from 16:45 on Thu 26 Apr to 13:12 on Fri 27 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7225, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1990-04-28T10:05:08-04:00", "utc": "1990-04-28T14:05:08Z", "ms": 641311507692.3081 }, "end": { "local": "1990-04-29T07:32:43-04:00", "utc": "1990-04-29T11:32:43Z", "ms": 641388763036.669 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-04-28T10:05:08-04:00", "utc": "1990-04-28T14:05:08Z", "ms": 641311507692.3081 }, "end": { "local": "1990-04-29T07:32:43-04:00", "utc": "1990-04-29T11:32:43Z", "ms": 641388763036.669 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-04-28", "window": { "start": { "local": "1990-04-28T12:05:32-04:00", "utc": "1990-04-28T16:05:32Z", "ms": 641318732258.892 }, "end": { "local": "1990-04-28T12:53:32-04:00", "utc": "1990-04-28T16:53:32Z", "ms": 641321612258.892 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-04-29", "window": { "start": { "local": "1990-04-29T12:05:24-04:00", "utc": "1990-04-29T16:05:24Z", "ms": 641405123765.4167 }, "end": { "local": "1990-04-29T12:53:24-04:00", "utc": "1990-04-29T16:53:24Z", "ms": 641408003765.4167 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:05 on Sat 28 Apr to 07:33 on Sun 29 Apr.", "fact": "1990-04-28T14:05:08Z → 1990-04-29T11:32:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 28th, 12:05–12:53 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7225 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Valencia, 1990: Saturday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-28", "confidence": "determinate" } ], "quote": "In Valencia, Śaṅkara Jayantī 1990 falls on Saturday 28 April. Pañcamī runs from 10:05 on Sat 28 Apr to 07:33 on Sun 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vinayaka-chaturthi?on=1990-04-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1105, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-04-27T13:12:06-04:00", "utc": "1990-04-27T17:12:06Z", "ms": 641236325829.1616 }, "end": { "local": "1990-04-28T10:05:08-04:00", "utc": "1990-04-28T14:05:08Z", "ms": 641311507692.3081 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-04-27T13:12:06-04:00", "utc": "1990-04-27T17:12:06Z", "ms": 641236325829.1616 }, "end": { "local": "1990-04-28T10:05:08-04:00", "utc": "1990-04-28T14:05:08Z", "ms": 641311507692.3081 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-04-27", "window": { "start": { "local": "1990-04-27T12:05:41-04:00", "utc": "1990-04-27T16:05:41Z", "ms": 641232341249.978 }, "end": { "local": "1990-04-27T12:53:41-04:00", "utc": "1990-04-27T16:53:41Z", "ms": 641235221249.978 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-04-28", "window": { "start": { "local": "1990-04-28T12:05:32-04:00", "utc": "1990-04-28T16:05:32Z", "ms": 641318732258.892 }, "end": { "local": "1990-04-28T12:53:32-04:00", "utc": "1990-04-28T16:53:32Z", "ms": 641321612258.892 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:12 on Fri 27 Apr to 10:05 on Sat 28 Apr.", "fact": "1990-04-27T17:12:06Z → 1990-04-28T14:05:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 27th, 12:06–12:54 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 1105 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Saturday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-27", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Saturday 28 April. Caturthī runs from 13:12 on Fri 27 Apr to 10:05 on Sat 28 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23041, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1990-04-30T05:41:15-04:00", "utc": "1990-04-30T09:41:15Z", "ms": 641468475090.5773 }, "end": { "local": "1990-05-01T04:34:20-04:00", "utc": "1990-05-01T08:34:20Z", "ms": 641550859503.438 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-04-30T05:41:15-04:00", "utc": "1990-04-30T09:41:15Z", "ms": 641468475090.5773 }, "end": { "local": "1990-05-01T04:34:20-04:00", "utc": "1990-05-01T08:34:20Z", "ms": 641550859503.438 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-04-30", "window": { "start": { "local": "1990-04-30T12:05:16-04:00", "utc": "1990-04-30T16:05:16Z", "ms": 641491515775.5051 }, "end": { "local": "1990-04-30T12:53:16-04:00", "utc": "1990-04-30T16:53:16Z", "ms": 641494395775.5051 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-05-01", "window": { "start": { "local": "1990-05-01T12:05:08-04:00", "utc": "1990-05-01T16:05:08Z", "ms": 641577908295.6069 }, "end": { "local": "1990-05-01T12:53:08-04:00", "utc": "1990-05-01T16:53:08Z", "ms": 641580788295.6069 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:41 on Mon 30 Apr to 04:34 on Tue 1 May.", "fact": "1990-04-30T09:41:15Z → 1990-05-01T08:34:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 30th, 12:05–12:53 on the 1st.", "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 30th and 0 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 23041 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Valencia, 1990: Monday 30 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": "1990-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-04-30", "confidence": "determinate" } ], "quote": "In Valencia, Gaṅgotpatti (Ganga Saptami) 1990 falls on Monday 30 April. Saptamī runs from 05:41 on Mon 30 Apr to 04:34 on Tue 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-05-05", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2607, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-05-04T05:29:45-04:00", "utc": "1990-05-04T09:29:45Z", "ms": 641813384504.4633 }, "end": { "local": "1990-05-05T06:56:52-04:00", "utc": "1990-05-05T10:56:52Z", "ms": 641905011823.0885 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-04T05:29:45-04:00", "utc": "1990-05-04T09:29:45Z", "ms": 641813384504.4633 }, "end": { "local": "1990-05-05T06:56:52-04:00", "utc": "1990-05-05T10:56:52Z", "ms": 641905011823.0885 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-05-04", "window": { "start": { "local": "1990-05-04T06:13:44-04:00", "utc": "1990-05-04T10:13:44Z", "ms": 641816023731.0767 }, "end": { "local": "1990-05-04T06:13:44-04:00", "utc": "1990-05-04T10:13:44Z", "ms": 641816023731.0767 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-05-05", "window": { "start": { "local": "1990-05-05T06:13:25-04:00", "utc": "1990-05-05T10:13:25Z", "ms": 641902404547.4789 }, "end": { "local": "1990-05-05T06:13:25-04:00", "utc": "1990-05-05T10:13:25Z", "ms": 641902404547.4789 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:30 on Fri 4 May to 06:57 on Sat 5 May.", "fact": "1990-05-04T09:29:45Z → 1990-05-05T10:56:52Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 4th and 06:13 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is on the 5th.", "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 2607 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Valencia, 1990: Saturday 5 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": "1990-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-05", "confidence": "determinate" } ], "quote": "In Valencia, Mohinī Ekādaśī 1990 falls on Saturday 5 May. Ekādaśī runs from 05:30 on Fri 4 May to 06:57 on Sat 5 May and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11879, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1990-05-05T06:56:52-04:00", "utc": "1990-05-05T10:56:52Z", "ms": 641905011823.0885 }, "end": { "local": "1990-05-06T08:46:40-04:00", "utc": "1990-05-06T12:46:40Z", "ms": 641997999913.7898 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-05T06:56:52-04:00", "utc": "1990-05-05T10:56:52Z", "ms": 641905011823.0885 }, "end": { "local": "1990-05-06T08:46:40-04:00", "utc": "1990-05-06T12:46:40Z", "ms": 641997999913.7898 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-05-05", "window": { "start": { "local": "1990-05-05T12:04:44-04:00", "utc": "1990-05-05T16:04:44Z", "ms": 641923483622.812 }, "end": { "local": "1990-05-05T12:52:44-04:00", "utc": "1990-05-05T16:52:44Z", "ms": 641926363622.812 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-05-06", "window": { "start": { "local": "1990-05-06T12:04:39-04:00", "utc": "1990-05-06T16:04:39Z", "ms": 642009878802.8279 }, "end": { "local": "1990-05-06T12:52:39-04:00", "utc": "1990-05-06T16:52:39Z", "ms": 642012758802.8279 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:57 on Sat 5 May to 08:47 on Sun 6 May.", "fact": "1990-05-05T10:56:52Z → 1990-05-06T12:46:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 5th, 12:05–12:53 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11879 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Valencia, 1990: Saturday 5 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": "1990-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-05", "confidence": "determinate" } ], "quote": "In Valencia, Paraśurāma Dvādaśī 1990 falls on Saturday 5 May. Dvādaśī runs from 06:57 on Sat 5 May to 08:47 on Sun 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11879, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1990-05-05T06:56:52-04:00", "utc": "1990-05-05T10:56:52Z", "ms": 641905011823.0885 }, "end": { "local": "1990-05-06T08:46:40-04:00", "utc": "1990-05-06T12:46:40Z", "ms": 641997999913.7898 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-05T06:56:52-04:00", "utc": "1990-05-05T10:56:52Z", "ms": 641905011823.0885 }, "end": { "local": "1990-05-06T08:46:40-04:00", "utc": "1990-05-06T12:46:40Z", "ms": 641997999913.7898 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-05-05", "window": { "start": { "local": "1990-05-05T12:04:44-04:00", "utc": "1990-05-05T16:04:44Z", "ms": 641923483622.812 }, "end": { "local": "1990-05-05T12:52:44-04:00", "utc": "1990-05-05T16:52:44Z", "ms": 641926363622.812 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-05-06", "window": { "start": { "local": "1990-05-06T12:04:39-04:00", "utc": "1990-05-06T16:04:39Z", "ms": 642009878802.8279 }, "end": { "local": "1990-05-06T12:52:39-04:00", "utc": "1990-05-06T16:52:39Z", "ms": 642012758802.8279 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:57 on Sat 5 May to 08:47 on Sun 6 May.", "fact": "1990-05-05T10:56:52Z → 1990-05-06T12:46:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 5th, 12:05–12:53 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11879 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Valencia, 1990: Saturday 5 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": "1990-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-05", "confidence": "determinate" } ], "quote": "In Valencia, Rukmiṇī Dvādaśī 1990 falls on Saturday 5 May. Dvādaśī runs from 06:57 on Sat 5 May to 08:47 on Sun 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/pradosha-vrata?on=1990-05-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28314, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-05-06T08:46:40-04:00", "utc": "1990-05-06T12:46:40Z", "ms": 641997999913.7898 }, "end": { "local": "1990-05-07T10:52:27-04:00", "utc": "1990-05-07T14:52:27Z", "ms": 642091947023.0758 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-06T08:46:40-04:00", "utc": "1990-05-06T12:46:40Z", "ms": 641997999913.7898 }, "end": { "local": "1990-05-07T10:52:27-04:00", "utc": "1990-05-07T14:52:27Z", "ms": 642091947023.0758 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-05-06", "window": { "start": { "local": "1990-05-06T18:44:12-04:00", "utc": "1990-05-06T22:44:12Z", "ms": 642033851526.1614 }, "end": { "local": "1990-05-06T20:16:00-04:00", "utc": "1990-05-07T00:16:00Z", "ms": 642039360434.5289 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1990-05-07", "window": { "start": { "local": "1990-05-07T18:44:21-04:00", "utc": "1990-05-07T22:44:21Z", "ms": 642120260732.8092 }, "end": { "local": "1990-05-07T20:16:06-04:00", "utc": "1990-05-08T00:16:06Z", "ms": 642125766146.7201 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:47 on Sun 6 May to 10:52 on Mon 7 May.", "fact": "1990-05-06T12:46:40Z → 1990-05-07T14:52:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:16 on the 6th, 18:44–20:16 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 6th and 0 of 92 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28314 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Sunday 6 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": "1990-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-06", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Sunday 6 May. Trayodaśī runs from 08:47 on Sun 6 May to 10:52 on Mon 7 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20151, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-05-07T10:52:27-04:00", "utc": "1990-05-07T14:52:27Z", "ms": 642091947023.0758 }, "end": { "local": "1990-05-08T13:08:39-04:00", "utc": "1990-05-08T17:08:39Z", "ms": 642186518980.7906 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-07T10:52:27-04:00", "utc": "1990-05-07T14:52:27Z", "ms": 642091947023.0758 }, "end": { "local": "1990-05-08T13:08:39-04:00", "utc": "1990-05-08T17:08:39Z", "ms": 642186518980.7906 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-05-07", "window": { "start": { "local": "1990-05-07T18:44:21-04:00", "utc": "1990-05-07T22:44:21Z", "ms": 642120260732.8092 }, "end": { "local": "1990-05-07T20:16:06-04:00", "utc": "1990-05-08T00:16:06Z", "ms": 642125766146.7201 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1990-05-08", "window": { "start": { "local": "1990-05-08T18:44:30-04:00", "utc": "1990-05-08T22:44:30Z", "ms": 642206670318.9333 }, "end": { "local": "1990-05-08T20:16:12-04:00", "utc": "1990-05-09T00:16:12Z", "ms": 642212172287.7533 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:52 on Mon 7 May to 13:09 on Tue 8 May.", "fact": "1990-05-07T14:52:27Z → 1990-05-08T17:08:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:16 on the 7th, 18:45–20:16 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 7th and 0 of 92 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20151 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Valencia, 1990: Monday 7 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": "1990-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-07", "confidence": "determinate" } ], "quote": "In Valencia, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1990 falls on Monday 7 May. Caturdaśī runs from 10:52 on Mon 7 May to 13:09 on Tue 8 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 968, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-05-08T13:08:39-04:00", "utc": "1990-05-08T17:08:39Z", "ms": 642186518980.7906 }, "end": { "local": "1990-05-09T15:30:46-04:00", "utc": "1990-05-09T19:30:46Z", "ms": 642281445849.8448 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-08T13:08:39-04:00", "utc": "1990-05-08T17:08:39Z", "ms": 642186518980.7906 }, "end": { "local": "1990-05-09T15:30:46-04:00", "utc": "1990-05-09T19:30:46Z", "ms": 642281445849.8448 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-05-08", "window": { "start": { "local": "1990-05-08T12:04:31-04:00", "utc": "1990-05-08T16:04:31Z", "ms": 642182670828.0374 }, "end": { "local": "1990-05-08T12:52:31-04:00", "utc": "1990-05-08T16:52:31Z", "ms": 642185550828.0374 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-05-09", "window": { "start": { "local": "1990-05-09T12:04:28-04:00", "utc": "1990-05-09T16:04:28Z", "ms": 642269067684.8977 }, "end": { "local": "1990-05-09T12:52:28-04:00", "utc": "1990-05-09T16:52:28Z", "ms": 642271947684.8977 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:09 on Tue 8 May to 15:31 on Wed 9 May.", "fact": "1990-05-08T17:08:39Z → 1990-05-09T19:30:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 8th, 12:04–12:52 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 968 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Valencia, 1990: Wednesday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-09", "confidence": "boundary" } ], "quote": "In Valencia, Buddha Pūrṇimā 1990 falls on Wednesday 9 May. Pūrṇimā runs from 13:09 on Tue 8 May to 15:31 on Wed 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 968, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-05-08T13:08:39-04:00", "utc": "1990-05-08T17:08:39Z", "ms": 642186518980.7906 }, "end": { "local": "1990-05-09T15:30:46-04:00", "utc": "1990-05-09T19:30:46Z", "ms": 642281445849.8448 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-08T13:08:39-04:00", "utc": "1990-05-08T17:08:39Z", "ms": 642186518980.7906 }, "end": { "local": "1990-05-09T15:30:46-04:00", "utc": "1990-05-09T19:30:46Z", "ms": 642281445849.8448 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-05-08", "window": { "start": { "local": "1990-05-08T12:04:31-04:00", "utc": "1990-05-08T16:04:31Z", "ms": 642182670828.0374 }, "end": { "local": "1990-05-08T12:52:31-04:00", "utc": "1990-05-08T16:52:31Z", "ms": 642185550828.0374 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-05-09", "window": { "start": { "local": "1990-05-09T12:04:28-04:00", "utc": "1990-05-09T16:04:28Z", "ms": 642269067684.8977 }, "end": { "local": "1990-05-09T12:52:28-04:00", "utc": "1990-05-09T16:52:28Z", "ms": 642271947684.8977 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:09 on Tue 8 May to 15:31 on Wed 9 May.", "fact": "1990-05-08T17:08:39Z → 1990-05-09T19:30:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 8th, 12:04–12:52 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 968 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Valencia, 1990: Wednesday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-09", "confidence": "determinate" } ], "quote": "In Valencia, Sampat Gaurī Vrata 1990 falls on Wednesday 9 May. Pūrṇimā runs from 13:09 on Tue 8 May to 15:31 on Wed 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-05-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4185, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-05-12T22:30:59-04:00", "utc": "1990-05-13T02:30:59Z", "ms": 642565859361.6556 }, "end": { "local": "1990-05-14T00:31:15-04:00", "utc": "1990-05-14T04:31:15Z", "ms": 642659474520.3174 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-12T22:30:59-04:00", "utc": "1990-05-13T02:30:59Z", "ms": 642565859361.6556 }, "end": { "local": "1990-05-14T00:31:15-04:00", "utc": "1990-05-14T04:31:15Z", "ms": 642659474520.3174 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-05-12", "window": { "start": { "local": "1990-05-12T21:21:15-04:00", "utc": "1990-05-13T01:21:15Z", "ms": 642561674695.5787 }, "end": { "local": "1990-05-12T21:21:15-04:00", "utc": "1990-05-13T01:21:15Z", "ms": 642561674695.5787 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-05-13", "window": { "start": { "local": "1990-05-13T22:11:24-04:00", "utc": "1990-05-14T02:11:24Z", "ms": 642651084361.7948 }, "end": { "local": "1990-05-13T22:11:24-04:00", "utc": "1990-05-14T02:11:24Z", "ms": 642651084361.7948 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:31 on Sat 12 May to 00:31 on Mon 14 May.", "fact": "1990-05-13T02:30:59Z → 1990-05-14T04:31:15Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 12th and 22:11 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4185 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Sunday 13 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": "1990-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-13", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Sunday 13 May. Caturthī runs from 22:31 on Sat 12 May to 00:31 on Mon 14 May and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-05-13", "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/1990/ekadashi?on=1990-05-20", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19706, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-05-20T00:41:42-04:00", "utc": "1990-05-20T04:41:42Z", "ms": 643178502104.7153 }, "end": { "local": "1990-05-20T22:11:02-04:00", "utc": "1990-05-21T02:11:02Z", "ms": 643255862248.6666 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-20T00:41:42-04:00", "utc": "1990-05-20T04:41:42Z", "ms": 643178502104.7153 }, "end": { "local": "1990-05-20T22:11:02-04:00", "utc": "1990-05-21T02:11:02Z", "ms": 643255862248.6666 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-05-20", "window": { "start": { "local": "1990-05-20T06:10:08-04:00", "utc": "1990-05-20T10:10:08Z", "ms": 643198208231.0416 }, "end": { "local": "1990-05-20T06:10:08-04:00", "utc": "1990-05-20T10:10:08Z", "ms": 643198208231.0416 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-05-21", "window": { "start": { "local": "1990-05-21T06:10:02-04:00", "utc": "1990-05-21T10:10:02Z", "ms": 643284601553.5746 }, "end": { "local": "1990-05-21T06:10:02-04:00", "utc": "1990-05-21T10:10:02Z", "ms": 643284601553.5746 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:42 on Sun 20 May to 22:11 on Sun 20 May.", "fact": "1990-05-20T04:41:42Z → 1990-05-21T02:11:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 20th and 06:10 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19706 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Valencia, 1990: Sunday 20 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-20", "confidence": "determinate" } ], "quote": "In Valencia, Aparā Ekādaśī 1990 falls on Sunday 20 May. Ekādaśī runs from 00:42 on Sun 20 May to 22:11 on Sun 20 May and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-05-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1055, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-05-21T19:04:43-04:00", "utc": "1990-05-21T23:04:43Z", "ms": 643331083447.3539 }, "end": { "local": "1990-05-22T15:31:39-04:00", "utc": "1990-05-22T19:31:39Z", "ms": 643404698918.6095 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-21T19:04:43-04:00", "utc": "1990-05-21T23:04:43Z", "ms": 643331083447.3539 }, "end": { "local": "1990-05-22T15:31:39-04:00", "utc": "1990-05-22T19:31:39Z", "ms": 643404698918.6095 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-05-21", "window": { "start": { "local": "1990-05-21T18:47:08-04:00", "utc": "1990-05-21T22:47:08Z", "ms": 643330028299.1749 }, "end": { "local": "1990-05-21T20:18:11-04:00", "utc": "1990-05-22T00:18:11Z", "ms": 643335490617.5092 } }, "covered_min": 73, "window_min": 91, "qualifies": true }, { "local_date": "1990-05-22", "window": { "start": { "local": "1990-05-22T18:47:23-04:00", "utc": "1990-05-22T22:47:23Z", "ms": 643416442766.8773 }, "end": { "local": "1990-05-22T20:18:22-04:00", "utc": "1990-05-23T00:18:22Z", "ms": 643421902481.1123 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:05 on Mon 21 May to 15:32 on Tue 22 May.", "fact": "1990-05-21T23:04:43Z → 1990-05-22T19:31:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:18 on the 21st, 18:47–20:18 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 73 of 91 minutes on the 21st and 0 of 91 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1055 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Monday 21 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-21", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Monday 21 May. Trayodaśī runs from 19:05 on Mon 21 May to 15:32 on Tue 22 May and covers 73 of 91 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-05-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shivaratri?on=1990-05-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30778, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-05-22T15:31:39-04:00", "utc": "1990-05-22T19:31:39Z", "ms": 643404698918.6095 }, "end": { "local": "1990-05-23T11:42:06-04:00", "utc": "1990-05-23T15:42:06Z", "ms": 643477325615.8235 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-22T15:31:39-04:00", "utc": "1990-05-22T19:31:39Z", "ms": 643404698918.6095 }, "end": { "local": "1990-05-23T11:42:06-04:00", "utc": "1990-05-23T15:42:06Z", "ms": 643477325615.8235 } }, "kaala": "nishita", "days": [ { "local_date": "1990-05-22", "window": { "start": { "local": "1990-05-23T00:04:37-04:00", "utc": "1990-05-23T04:04:37Z", "ms": 643435476695.2588 }, "end": { "local": "1990-05-23T00:52:37-04:00", "utc": "1990-05-23T04:52:37Z", "ms": 643438356695.2588 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-05-23", "window": { "start": { "local": "1990-05-24T00:04:42-04:00", "utc": "1990-05-24T04:04:42Z", "ms": 643521881926.9403 }, "end": { "local": "1990-05-24T00:52:42-04:00", "utc": "1990-05-24T04:52:42Z", "ms": 643524761926.9403 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:32 on Tue 22 May to 11:42 on Wed 23 May.", "fact": "1990-05-22T19:31:39Z → 1990-05-23T15:42:06Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 22nd, 00:05–00:53 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30778 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Tuesday 22 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-22", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Tuesday 22 May. Caturdaśī runs from 15:32 on Tue 22 May to 11:42 on Wed 23 May and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30476, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1990-05-26T00:25:52-04:00", "utc": "1990-05-26T04:25:52Z", "ms": 643695952186.2795 }, "end": { "local": "1990-05-26T21:20:58-04:00", "utc": "1990-05-27T01:20:58Z", "ms": 643771258052.2349 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-26T00:25:52-04:00", "utc": "1990-05-26T04:25:52Z", "ms": 643695952186.2795 }, "end": { "local": "1990-05-26T21:20:58-04:00", "utc": "1990-05-27T01:20:58Z", "ms": 643771258052.2349 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-05-25", "window": { "start": { "local": "1990-05-25T12:04:55-04:00", "utc": "1990-05-25T16:04:55Z", "ms": 643651495269.3545 }, "end": { "local": "1990-05-25T12:52:55-04:00", "utc": "1990-05-25T16:52:55Z", "ms": 643654375269.3545 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-05-26", "window": { "start": { "local": "1990-05-26T12:05:02-04:00", "utc": "1990-05-26T16:05:02Z", "ms": 643737901609.6696 }, "end": { "local": "1990-05-26T12:53:02-04:00", "utc": "1990-05-26T16:53:02Z", "ms": 643740781609.6696 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:26 on Sat 26 May to 21:21 on Sat 26 May.", "fact": "1990-05-26T04:25:52Z → 1990-05-27T01:20:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 25th, 12:05–12:53 on the 26th.", "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 25th and 48 of 48 on the 26th.", "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 30476 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Valencia, 1990: Saturday 26 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": "1990-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-26", "confidence": "determinate" } ], "quote": "In Valencia, Rambhā Tṛtīyā 1990 falls on Saturday 26 May. Tṛtīyā runs from 00:26 on Sat 26 May to 21:21 on Sat 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vinayaka-chaturthi?on=1990-05-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21548, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-05-26T21:20:58-04:00", "utc": "1990-05-27T01:20:58Z", "ms": 643771258052.2349 }, "end": { "local": "1990-05-27T18:52:16-04:00", "utc": "1990-05-27T22:52:16Z", "ms": 643848736477.5828 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-26T21:20:58-04:00", "utc": "1990-05-27T01:20:58Z", "ms": 643771258052.2349 }, "end": { "local": "1990-05-27T18:52:16-04:00", "utc": "1990-05-27T22:52:16Z", "ms": 643848736477.5828 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-05-26", "window": { "start": { "local": "1990-05-26T12:05:02-04:00", "utc": "1990-05-26T16:05:02Z", "ms": 643737901609.6696 }, "end": { "local": "1990-05-26T12:53:02-04:00", "utc": "1990-05-26T16:53:02Z", "ms": 643740781609.6696 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-05-27", "window": { "start": { "local": "1990-05-27T12:05:08-04:00", "utc": "1990-05-27T16:05:08Z", "ms": 643824308417.78 }, "end": { "local": "1990-05-27T12:53:08-04:00", "utc": "1990-05-27T16:53:08Z", "ms": 643827188417.78 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:21 on Sat 26 May to 18:52 on Sun 27 May.", "fact": "1990-05-27T01:20:58Z → 1990-05-27T22:52:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 26th, 12:05–12:53 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21548 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Sunday 27 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": "1990-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-27", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Sunday 27 May. Caturthī runs from 21:21 on Sat 26 May to 18:52 on Sun 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-05-27", "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/1990/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11706, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1990-05-28T17:06:43-04:00", "utc": "1990-05-28T21:06:43Z", "ms": 643928803146.3688 }, "end": { "local": "1990-05-29T16:08:29-04:00", "utc": "1990-05-29T20:08:29Z", "ms": 644011708994.2448 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-28T17:06:43-04:00", "utc": "1990-05-28T21:06:43Z", "ms": 643928803146.3688 }, "end": { "local": "1990-05-29T16:08:29-04:00", "utc": "1990-05-29T20:08:29Z", "ms": 644011708994.2448 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-05-28", "window": { "start": { "local": "1990-05-28T12:05:16-04:00", "utc": "1990-05-28T16:05:16Z", "ms": 643910715676.9822 }, "end": { "local": "1990-05-28T12:53:16-04:00", "utc": "1990-05-28T16:53:16Z", "ms": 643913595676.9822 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-05-29", "window": { "start": { "local": "1990-05-29T12:05:23-04:00", "utc": "1990-05-29T16:05:23Z", "ms": 643997123371.2539 }, "end": { "local": "1990-05-29T12:53:23-04:00", "utc": "1990-05-29T16:53:23Z", "ms": 644000003371.2539 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:07 on Mon 28 May to 16:08 on Tue 29 May.", "fact": "1990-05-28T21:06:43Z → 1990-05-29T20:08:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 28th, 12:05–12:53 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11706 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Valencia, 1990: Tuesday 29 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": "1990-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-29", "confidence": "determinate" } ], "quote": "In Valencia, Araṇya Gaurī Vrata 1990 falls on Tuesday 29 May. Ṣaṣṭhī runs from 17:07 on Mon 28 May to 16:08 on Tue 29 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11706, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1990-05-28T17:06:43-04:00", "utc": "1990-05-28T21:06:43Z", "ms": 643928803146.3688 }, "end": { "local": "1990-05-29T16:08:29-04:00", "utc": "1990-05-29T20:08:29Z", "ms": 644011708994.2448 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-05-28T17:06:43-04:00", "utc": "1990-05-28T21:06:43Z", "ms": 643928803146.3688 }, "end": { "local": "1990-05-29T16:08:29-04:00", "utc": "1990-05-29T20:08:29Z", "ms": 644011708994.2448 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-05-28", "window": { "start": { "local": "1990-05-28T12:05:16-04:00", "utc": "1990-05-28T16:05:16Z", "ms": 643910715676.9822 }, "end": { "local": "1990-05-28T12:53:16-04:00", "utc": "1990-05-28T16:53:16Z", "ms": 643913595676.9822 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-05-29", "window": { "start": { "local": "1990-05-29T12:05:23-04:00", "utc": "1990-05-29T16:05:23Z", "ms": 643997123371.2539 }, "end": { "local": "1990-05-29T12:53:23-04:00", "utc": "1990-05-29T16:53:23Z", "ms": 644000003371.2539 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:07 on Mon 28 May to 16:08 on Tue 29 May.", "fact": "1990-05-28T21:06:43Z → 1990-05-29T20:08:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 28th, 12:05–12:53 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11706 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Valencia, 1990: Tuesday 29 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": "1990-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-05-29", "confidence": "determinate" } ], "quote": "In Valencia, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1990 falls on Tuesday 29 May. Ṣaṣṭhī runs from 17:07 on Mon 28 May to 16:08 on Tue 29 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-06-03", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30489, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-06-02T19:34:21-04:00", "utc": "1990-06-02T23:34:21Z", "ms": 644369660634.5847 }, "end": { "local": "1990-06-03T21:41:40-04:00", "utc": "1990-06-04T01:41:40Z", "ms": 644463700015.893 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-02T19:34:21-04:00", "utc": "1990-06-02T23:34:21Z", "ms": 644369660634.5847 }, "end": { "local": "1990-06-03T21:41:40-04:00", "utc": "1990-06-04T01:41:40Z", "ms": 644463700015.893 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-06-03", "window": { "start": { "local": "1990-06-03T06:09:45-04:00", "utc": "1990-06-03T10:09:45Z", "ms": 644407784937.8677 }, "end": { "local": "1990-06-03T06:09:45-04:00", "utc": "1990-06-03T10:09:45Z", "ms": 644407784937.8677 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-06-04", "window": { "start": { "local": "1990-06-04T06:09:49-04:00", "utc": "1990-06-04T10:09:49Z", "ms": 644494188683.2523 }, "end": { "local": "1990-06-04T06:09:49-04:00", "utc": "1990-06-04T10:09:49Z", "ms": 644494188683.2523 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:34 on Sat 2 Jun to 21:42 on Sun 3 Jun.", "fact": "1990-06-02T23:34:21Z → 1990-06-04T01:41:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 3rd and 06:10 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30489 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Valencia, 1990: Sunday 3 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": "1990-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-03", "confidence": "determinate" } ], "quote": "In Valencia, Nirjalā Ekādaśī 1990 falls on Sunday 3 June. Ekādaśī runs from 19:34 on Sat 2 Jun to 21:42 on Sun 3 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-06-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31652, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1990-06-03T21:41:40-04:00", "utc": "1990-06-04T01:41:40Z", "ms": 644463700015.893 }, "end": { "local": "1990-06-05T00:01:16-04:00", "utc": "1990-06-05T04:01:16Z", "ms": 644558476360.0842 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-03T21:41:40-04:00", "utc": "1990-06-04T01:41:40Z", "ms": 644463700015.893 }, "end": { "local": "1990-06-05T00:01:16-04:00", "utc": "1990-06-05T04:01:16Z", "ms": 644558476360.0842 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-06-03", "window": { "start": { "local": "1990-06-03T12:06:08-04:00", "utc": "1990-06-03T16:06:08Z", "ms": 644429167836.4172 }, "end": { "local": "1990-06-03T12:54:08-04:00", "utc": "1990-06-03T16:54:08Z", "ms": 644432047836.4172 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-06-04", "window": { "start": { "local": "1990-06-04T12:06:18-04:00", "utc": "1990-06-04T16:06:18Z", "ms": 644515577823.0793 }, "end": { "local": "1990-06-04T12:54:18-04:00", "utc": "1990-06-04T16:54:18Z", "ms": 644518457823.0793 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:42 on Sun 3 Jun to 00:01 on Tue 5 Jun.", "fact": "1990-06-04T01:41:40Z → 1990-06-05T04:01:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 3rd, 12:06–12:54 on the 4th.", "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 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: purvaviddha → only-day · margin 31652 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Valencia, 1990: Monday 4 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-04", "confidence": "determinate" } ], "quote": "In Valencia, Śrī Rāma Dvādaśī 1990 falls on Monday 4 June. Dvādaśī runs from 21:42 on Sun 3 Jun to 00:01 on Tue 5 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/pradosha-vrata?on=1990-06-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13197, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-06-05T00:01:16-04:00", "utc": "1990-06-05T04:01:16Z", "ms": 644558476360.0842 }, "end": { "local": "1990-06-06T02:25:07-04:00", "utc": "1990-06-06T06:25:07Z", "ms": 644653507045.3772 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-05T00:01:16-04:00", "utc": "1990-06-05T04:01:16Z", "ms": 644558476360.0842 }, "end": { "local": "1990-06-06T02:25:07-04:00", "utc": "1990-06-06T06:25:07Z", "ms": 644653507045.3772 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-06-04", "window": { "start": { "local": "1990-06-04T18:50:47-04:00", "utc": "1990-06-04T22:50:47Z", "ms": 644539846962.9065 }, "end": { "local": "1990-06-04T20:21:20-04:00", "utc": "1990-06-05T00:21:20Z", "ms": 644545279780.0397 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1990-06-05", "window": { "start": { "local": "1990-06-05T18:51:03-04:00", "utc": "1990-06-05T22:51:03Z", "ms": 644626263185.7327 }, "end": { "local": "1990-06-05T20:21:35-04:00", "utc": "1990-06-06T00:21:35Z", "ms": 644631694514.3303 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:01 on Tue 5 Jun to 02:25 on Wed 6 Jun.", "fact": "1990-06-05T04:01:16Z → 1990-06-06T06:25:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:21 on the 4th, 18:51–20:22 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 4th and 91 of 91 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13197 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Tuesday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-05", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Tuesday 5 June. Trayodaśī runs from 00:01 on Tue 5 Jun to 02:25 on Wed 6 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30295, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-06-07T04:46:45-04:00", "utc": "1990-06-07T08:46:45Z", "ms": 644748404798.312 }, "end": { "local": "1990-06-08T07:01:07-04:00", "utc": "1990-06-08T11:01:07Z", "ms": 644842867075.6508 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-07T04:46:45-04:00", "utc": "1990-06-07T08:46:45Z", "ms": 644748404798.312 }, "end": { "local": "1990-06-08T07:01:07-04:00", "utc": "1990-06-08T11:01:07Z", "ms": 644842867075.6508 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-06-06", "window": { "start": { "local": "1990-06-06T18:51:19-04:00", "utc": "1990-06-06T22:51:19Z", "ms": 644712679383.8113 }, "end": { "local": "1990-06-06T20:21:49-04:00", "utc": "1990-06-07T00:21:49Z", "ms": 644718109312.2495 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1990-06-07", "window": { "start": { "local": "1990-06-07T18:51:36-04:00", "utc": "1990-06-07T22:51:36Z", "ms": 644799095537.3402 }, "end": { "local": "1990-06-07T20:22:04-04:00", "utc": "1990-06-08T00:22:04Z", "ms": 644804524154.893 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:47 on Thu 7 Jun to 07:01 on Fri 8 Jun.", "fact": "1990-06-07T08:46:45Z → 1990-06-08T11:01:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:22 on the 6th, 18:52–20:22 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 90 minutes on the 6th and 90 of 90 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30295 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Valencia, 1990: Thursday 7 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-07", "confidence": "determinate" } ], "quote": "In Valencia, Vaṭa Sāvitrī Vrata 1990 falls on Thursday 7 June. Pūrṇimā runs from 04:47 on Thu 7 Jun to 07:01 on Fri 8 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-06-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32650, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-06-11T12:19:28-04:00", "utc": "1990-06-11T16:19:28Z", "ms": 645121168245.1552 }, "end": { "local": "1990-06-12T13:22:59-04:00", "utc": "1990-06-12T17:22:59Z", "ms": 645211378662.4387 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-11T12:19:28-04:00", "utc": "1990-06-11T16:19:28Z", "ms": 645121168245.1552 }, "end": { "local": "1990-06-12T13:22:59-04:00", "utc": "1990-06-12T17:22:59Z", "ms": 645211378662.4387 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-06-11", "window": { "start": { "local": "1990-06-11T21:43:24-04:00", "utc": "1990-06-12T01:43:24Z", "ms": 645155004499.0701 }, "end": { "local": "1990-06-11T21:43:24-04:00", "utc": "1990-06-12T01:43:24Z", "ms": 645155004499.0701 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-06-12", "window": { "start": { "local": "1990-06-12T22:27:08-04:00", "utc": "1990-06-13T02:27:08Z", "ms": 645244028252.8762 }, "end": { "local": "1990-06-12T22:27:08-04:00", "utc": "1990-06-13T02:27:08Z", "ms": 645244028252.8762 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:19 on Mon 11 Jun to 13:23 on Tue 12 Jun.", "fact": "1990-06-11T16:19:28Z → 1990-06-12T17:22:59Z" }, { "step": "kaala", "text": "Moonrise is at 21:43 on the 11th and 22:27 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 11th and is not on the 12th.", "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 32650 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Monday 11 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": "1990-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-11", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Monday 11 June. Caturthī runs from 12:19 on Mon 11 Jun to 13:23 on Tue 12 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-06-11", "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/1990/ekadashi?on=1990-06-18", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5107, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-06-18T07:43:43-04:00", "utc": "1990-06-18T11:43:43Z", "ms": 645709422820.5812 }, "end": { "local": "1990-06-19T04:46:49-04:00", "utc": "1990-06-19T08:46:49Z", "ms": 645785209159.9491 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-18T07:43:43-04:00", "utc": "1990-06-18T11:43:43Z", "ms": 645709422820.5812 }, "end": { "local": "1990-06-19T04:46:49-04:00", "utc": "1990-06-19T08:46:49Z", "ms": 645785209159.9491 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-06-18", "window": { "start": { "local": "1990-06-18T06:11:44-04:00", "utc": "1990-06-18T10:11:44Z", "ms": 645703904450.0139 }, "end": { "local": "1990-06-18T06:11:44-04:00", "utc": "1990-06-18T10:11:44Z", "ms": 645703904450.0139 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-06-19", "window": { "start": { "local": "1990-06-19T06:11:57-04:00", "utc": "1990-06-19T10:11:57Z", "ms": 645790316591.109 }, "end": { "local": "1990-06-19T06:11:57-04:00", "utc": "1990-06-19T10:11:57Z", "ms": 645790316591.109 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:44 on Mon 18 Jun to 04:47 on Tue 19 Jun.", "fact": "1990-06-18T11:43:43Z → 1990-06-19T08:46:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 18th and 06:12 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 5107 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Valencia, 1990: Monday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-18", "confidence": "determinate" } ], "quote": "In Valencia, Yoginī Ekādaśī 1990 falls on Monday 18 June. Ekādaśī runs from 07:44 on Mon 18 Jun to 04:47 on Tue 19 Jun, and is current at sunrise on neither day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-06-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5510, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-06-20T01:28:21-04:00", "utc": "1990-06-20T05:28:21Z", "ms": 645859700828.1001 }, "end": { "local": "1990-06-20T21:57:01-04:00", "utc": "1990-06-21T01:57:01Z", "ms": 645933421440.7386 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-20T01:28:21-04:00", "utc": "1990-06-20T05:28:21Z", "ms": 645859700828.1001 }, "end": { "local": "1990-06-20T21:57:01-04:00", "utc": "1990-06-21T01:57:01Z", "ms": 645933421440.7386 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-06-19", "window": { "start": { "local": "1990-06-19T18:54:38-04:00", "utc": "1990-06-19T22:54:38Z", "ms": 645836078302.3455 }, "end": { "local": "1990-06-19T20:24:58-04:00", "utc": "1990-06-20T00:24:58Z", "ms": 645841498413.6343 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1990-06-20", "window": { "start": { "local": "1990-06-20T18:54:52-04:00", "utc": "1990-06-20T22:54:52Z", "ms": 645922491919.2534 }, "end": { "local": "1990-06-20T20:25:12-04:00", "utc": "1990-06-21T00:25:12Z", "ms": 645927911937.9911 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:28 on Wed 20 Jun to 21:57 on Wed 20 Jun.", "fact": "1990-06-20T05:28:21Z → 1990-06-21T01:57:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:25 on the 19th, 18:55–20:25 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 19th and 90 of 90 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5510 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Wednesday 20 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": "1990-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-20", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Wednesday 20 June. Trayodaśī runs from 01:28 on Wed 20 Jun to 21:57 on Wed 20 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-06-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shivaratri?on=1990-06-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7956, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-06-20T21:57:01-04:00", "utc": "1990-06-21T01:57:01Z", "ms": 645933421440.7386 }, "end": { "local": "1990-06-21T18:22:26-04:00", "utc": "1990-06-21T22:22:26Z", "ms": 646006946325.9431 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-20T21:57:01-04:00", "utc": "1990-06-21T01:57:01Z", "ms": 645933421440.7386 }, "end": { "local": "1990-06-21T18:22:26-04:00", "utc": "1990-06-21T22:22:26Z", "ms": 646006946325.9431 } }, "kaala": "nishita", "days": [ { "local_date": "1990-06-20", "window": { "start": { "local": "1990-06-21T00:09:37-04:00", "utc": "1990-06-21T04:09:37Z", "ms": 645941376989.5198 }, "end": { "local": "1990-06-21T00:57:37-04:00", "utc": "1990-06-21T04:57:37Z", "ms": 645944256989.5198 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-06-21", "window": { "start": { "local": "1990-06-22T00:09:50-04:00", "utc": "1990-06-22T04:09:50Z", "ms": 646027790248.5732 }, "end": { "local": "1990-06-22T00:57:50-04:00", "utc": "1990-06-22T04:57:50Z", "ms": 646030670248.5732 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:57 on Wed 20 Jun to 18:22 on Thu 21 Jun.", "fact": "1990-06-21T01:57:01Z → 1990-06-21T22:22:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 20th, 00:10–00:58 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7956 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Wednesday 20 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-20", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Wednesday 20 June. Caturdaśī runs from 21:57 on Wed 20 Jun to 18:22 on Thu 21 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-06-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1602, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1990-06-23T11:43:27-04:00", "utc": "1990-06-23T15:43:27Z", "ms": 646155807349.7125 }, "end": { "local": "1990-06-24T08:58:31-04:00", "utc": "1990-06-24T12:58:31Z", "ms": 646232310763.408 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-23T11:43:27-04:00", "utc": "1990-06-23T15:43:27Z", "ms": 646155807349.7125 }, "end": { "local": "1990-06-24T08:58:31-04:00", "utc": "1990-06-24T12:58:31Z", "ms": 646232310763.408 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-06-23", "window": { "start": { "local": "1990-06-23T12:10:10-04:00", "utc": "1990-06-23T16:10:10Z", "ms": 646157409677.4487 }, "end": { "local": "1990-06-23T12:58:10-04:00", "utc": "1990-06-23T16:58:10Z", "ms": 646160289677.4487 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-06-24", "window": { "start": { "local": "1990-06-24T12:10:23-04:00", "utc": "1990-06-24T16:10:23Z", "ms": 646243822596.2546 }, "end": { "local": "1990-06-24T12:58:23-04:00", "utc": "1990-06-24T16:58:23Z", "ms": 646246702596.2546 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 11:43 on Sat 23 Jun to 08:59 on Sun 24 Jun.", "fact": "1990-06-23T15:43:27Z → 1990-06-24T12:58:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 23rd, 12:10–12:58 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1602 s" }, { "step": "ruling", "text": "Rathayātrā, Valencia, 1990: Saturday 23 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": "1990-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-23", "confidence": "determinate" } ], "quote": "In Valencia, Rathayātrā 1990 falls on Saturday 23 June. Dvitīyā runs from 11:43 on Sat 23 Jun to 08:59 on Sun 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vinayaka-chaturthi?on=1990-06-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19343, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-06-25T06:48:12-04:00", "utc": "1990-06-25T10:48:12Z", "ms": 646310892304.1052 }, "end": { "local": "1990-06-26T05:19:17-04:00", "utc": "1990-06-26T09:19:17Z", "ms": 646391957394.9329 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-25T06:48:12-04:00", "utc": "1990-06-25T10:48:12Z", "ms": 646310892304.1052 }, "end": { "local": "1990-06-26T05:19:17-04:00", "utc": "1990-06-26T09:19:17Z", "ms": 646391957394.9329 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-06-25", "window": { "start": { "local": "1990-06-25T12:10:35-04:00", "utc": "1990-06-25T16:10:35Z", "ms": 646330235400.9839 }, "end": { "local": "1990-06-25T12:58:35-04:00", "utc": "1990-06-25T16:58:35Z", "ms": 646333115400.9839 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-06-26", "window": { "start": { "local": "1990-06-26T12:10:48-04:00", "utc": "1990-06-26T16:10:48Z", "ms": 646416648064.3091 }, "end": { "local": "1990-06-26T12:58:48-04:00", "utc": "1990-06-26T16:58:48Z", "ms": 646419528064.3091 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:48 on Mon 25 Jun to 05:19 on Tue 26 Jun.", "fact": "1990-06-25T10:48:12Z → 1990-06-26T09:19:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 25th, 12:11–12:59 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 19343 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Monday 25 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": "1990-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-25", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Monday 25 June. Caturthī runs from 06:48 on Mon 25 Jun to 05:19 on Tue 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-06-25", "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/1990/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24691, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1990-06-26T05:19:17-04:00", "utc": "1990-06-26T09:19:17Z", "ms": 646391957394.9329 }, "end": { "local": "1990-06-27T04:36:07-04:00", "utc": "1990-06-27T08:36:07Z", "ms": 646475766670.0073 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-26T05:19:17-04:00", "utc": "1990-06-26T09:19:17Z", "ms": 646391957394.9329 }, "end": { "local": "1990-06-27T04:36:07-04:00", "utc": "1990-06-27T08:36:07Z", "ms": 646475766670.0073 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-06-26", "window": { "start": { "local": "1990-06-26T12:10:48-04:00", "utc": "1990-06-26T16:10:48Z", "ms": 646416648064.3091 }, "end": { "local": "1990-06-26T12:58:48-04:00", "utc": "1990-06-26T16:58:48Z", "ms": 646419528064.3091 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-06-27", "window": { "start": { "local": "1990-06-27T12:11:01-04:00", "utc": "1990-06-27T16:11:01Z", "ms": 646503060560.4169 }, "end": { "local": "1990-06-27T12:59:01-04:00", "utc": "1990-06-27T16:59:01Z", "ms": 646505940560.4169 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:19 on Tue 26 Jun to 04:36 on Wed 27 Jun.", "fact": "1990-06-26T09:19:17Z → 1990-06-27T08:36:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 26th, 12:11–12:59 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: paraviddha → only-day · margin 24691 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Valencia, 1990: Tuesday 26 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": "1990-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-26", "confidence": "determinate" } ], "quote": "In Valencia, Skanda Pañcamī 1990 falls on Tuesday 26 June. Pañcamī runs from 05:19 on Tue 26 Jun to 04:36 on Wed 27 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24188, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1990-06-28T04:39:54-04:00", "utc": "1990-06-28T08:39:54Z", "ms": 646562393932.5469 }, "end": { "local": "1990-06-29T05:28:17-04:00", "utc": "1990-06-29T09:28:17Z", "ms": 646651697319.4926 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-06-28T04:39:54-04:00", "utc": "1990-06-28T08:39:54Z", "ms": 646562393932.5469 }, "end": { "local": "1990-06-29T05:28:17-04:00", "utc": "1990-06-29T09:28:17Z", "ms": 646651697319.4926 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-06-28", "window": { "start": { "local": "1990-06-28T12:11:13-04:00", "utc": "1990-06-28T16:11:13Z", "ms": 646589472864.9204 }, "end": { "local": "1990-06-28T12:59:13-04:00", "utc": "1990-06-28T16:59:13Z", "ms": 646592352864.9204 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-06-29", "window": { "start": { "local": "1990-06-29T12:11:25-04:00", "utc": "1990-06-29T16:11:25Z", "ms": 646675884954.6931 }, "end": { "local": "1990-06-29T12:59:25-04:00", "utc": "1990-06-29T16:59:25Z", "ms": 646678764954.6931 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:40 on Thu 28 Jun to 05:28 on Fri 29 Jun.", "fact": "1990-06-28T08:39:54Z → 1990-06-29T09:28:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 28th, 12:11–12:59 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24188 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Valencia, 1990: Thursday 28 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": "1990-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-06-28", "confidence": "determinate" } ], "quote": "In Valencia, Vivasvat Saptamī 1990 falls on Thursday 28 June. Saptamī runs from 04:40 on Thu 28 Jun to 05:28 on Fri 29 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-07-03", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17537, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-07-02T11:07:18-04:00", "utc": "1990-07-02T15:07:18Z", "ms": 646931237855.6552 }, "end": { "local": "1990-07-03T13:30:14-04:00", "utc": "1990-07-03T17:30:14Z", "ms": 647026214012.2043 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-07-02T11:07:18-04:00", "utc": "1990-07-02T15:07:18Z", "ms": 646931237855.6552 }, "end": { "local": "1990-07-03T13:30:14-04:00", "utc": "1990-07-03T17:30:14Z", "ms": 647026214012.2043 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-07-02", "window": { "start": { "local": "1990-07-02T06:15:01-04:00", "utc": "1990-07-02T10:15:01Z", "ms": 646913700733.6917 }, "end": { "local": "1990-07-02T06:15:01-04:00", "utc": "1990-07-02T10:15:01Z", "ms": 646913700733.6917 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-07-03", "window": { "start": { "local": "1990-07-03T06:15:16-04:00", "utc": "1990-07-03T10:15:16Z", "ms": 647000115967.2356 }, "end": { "local": "1990-07-03T06:15:16-04:00", "utc": "1990-07-03T10:15:16Z", "ms": 647000115967.2356 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:07 on Mon 2 Jul to 13:30 on Tue 3 Jul.", "fact": "1990-07-02T15:07:18Z → 1990-07-03T17:30:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 2nd and 06:15 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 17537 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Valencia, 1990: Tuesday 3 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-03", "confidence": "determinate" } ], "quote": "In Valencia, Hariśayanī Ekādaśī 1990 falls on Tuesday 3 July. Ekādaśī runs from 11:07 on Mon 2 Jul to 13:30 on Tue 3 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-07-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3444, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-07-04T15:50:32-04:00", "utc": "1990-07-04T19:50:32Z", "ms": 647121031544.5183 }, "end": { "local": "1990-07-05T17:59:53-04:00", "utc": "1990-07-05T21:59:53Z", "ms": 647215193090.9447 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-07-04T15:50:32-04:00", "utc": "1990-07-04T19:50:32Z", "ms": 647121031544.5183 }, "end": { "local": "1990-07-05T17:59:53-04:00", "utc": "1990-07-05T21:59:53Z", "ms": 647215193090.9447 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-07-04", "window": { "start": { "local": "1990-07-04T18:57:12-04:00", "utc": "1990-07-04T22:57:12Z", "ms": 647132231652.5221 }, "end": { "local": "1990-07-04T20:27:40-04:00", "utc": "1990-07-05T00:27:40Z", "ms": 647137660300.1782 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1990-07-05", "window": { "start": { "local": "1990-07-05T18:57:17-04:00", "utc": "1990-07-05T22:57:17Z", "ms": 647218637116.5344 }, "end": { "local": "1990-07-05T20:27:47-04:00", "utc": "1990-07-06T00:27:47Z", "ms": 647224067071.3185 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:51 on Wed 4 Jul to 18:00 on Thu 5 Jul.", "fact": "1990-07-04T19:50:32Z → 1990-07-05T21:59:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:28 on the 4th, 18:57–20:28 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 4th and 0 of 90 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3444 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Wednesday 4 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": "1990-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-04", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Wednesday 4 July. Trayodaśī runs from 15:51 on Wed 4 Jul to 18:00 on Thu 5 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-07-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31983, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-07-06T19:52:14-04:00", "utc": "1990-07-06T23:52:14Z", "ms": 647308333812.439 }, "end": { "local": "1990-07-07T21:23:29-04:00", "utc": "1990-07-08T01:23:29Z", "ms": 647400209036.0781 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-07-06T19:52:14-04:00", "utc": "1990-07-06T23:52:14Z", "ms": 647308333812.439 }, "end": { "local": "1990-07-07T21:23:29-04:00", "utc": "1990-07-08T01:23:29Z", "ms": 647400209036.0781 } }, "kaala": "udaya-3", "days": [ { "local_date": "1990-07-07", "window": { "start": { "local": "1990-07-07T06:16:17-04:00", "utc": "1990-07-07T10:16:17Z", "ms": 647345777015.6831 }, "end": { "local": "1990-07-07T08:48:31-04:00", "utc": "1990-07-07T12:48:31Z", "ms": 647354910804.5387 } }, "covered_min": 152, "window_min": 152, "qualifies": true }, { "local_date": "1990-07-08", "window": { "start": { "local": "1990-07-08T06:16:32-04:00", "utc": "1990-07-08T10:16:32Z", "ms": 647432192205.6874 }, "end": { "local": "1990-07-08T08:48:44-04:00", "utc": "1990-07-08T12:48:44Z", "ms": 647441323627.7883 } }, "covered_min": 0, "window_min": 152, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:52 on Fri 6 Jul to 21:23 on Sat 7 Jul.", "fact": "1990-07-06T23:52:14Z → 1990-07-08T01:23:29Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:16–08:49 on the 7th, 06:17–08:49 on the 8th.", "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 152 of 152 minutes on the 7th and 0 of 152 on the 8th.", "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 31983 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Valencia, 1990: Saturday 7 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-07", "confidence": "determinate" } ], "quote": "In Valencia, Vyāsa Pūjā 1990 falls on Saturday 7 July. Pūrṇimā runs from 19:52 on Fri 6 Jul to 21:23 on Sat 7 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24692, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-07-06T19:52:14-04:00", "utc": "1990-07-06T23:52:14Z", "ms": 647308333812.439 }, "end": { "local": "1990-07-07T21:23:29-04:00", "utc": "1990-07-08T01:23:29Z", "ms": 647400209036.0781 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-07-06T19:52:14-04:00", "utc": "1990-07-06T23:52:14Z", "ms": 647308333812.439 }, "end": { "local": "1990-07-07T21:23:29-04:00", "utc": "1990-07-08T01:23:29Z", "ms": 647400209036.0781 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-07-06", "window": { "start": { "local": "1990-07-06T12:12:42-04:00", "utc": "1990-07-06T16:12:42Z", "ms": 647280761833.5579 }, "end": { "local": "1990-07-06T13:00:42-04:00", "utc": "1990-07-06T17:00:42Z", "ms": 647283641833.5579 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-07-07", "window": { "start": { "local": "1990-07-07T12:12:51-04:00", "utc": "1990-07-07T16:12:51Z", "ms": 647367171487.822 }, "end": { "local": "1990-07-07T13:00:51-04:00", "utc": "1990-07-07T17:00:51Z", "ms": 647370051487.822 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:52 on Fri 6 Jul to 21:23 on Sat 7 Jul.", "fact": "1990-07-06T23:52:14Z → 1990-07-08T01:23:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 6th, 12:13–13:01 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24692 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Valencia, 1990: Saturday 7 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-07", "confidence": "determinate" } ], "quote": "In Valencia, Guru Pūrṇimā 1990 falls on Saturday 7 July. Pūrṇimā runs from 19:52 on Fri 6 Jul to 21:23 on Sat 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3292, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-07-06T19:52:14-04:00", "utc": "1990-07-06T23:52:14Z", "ms": 647308333812.439 }, "end": { "local": "1990-07-07T21:23:29-04:00", "utc": "1990-07-08T01:23:29Z", "ms": 647400209036.0781 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-07-06T19:52:14-04:00", "utc": "1990-07-06T23:52:14Z", "ms": 647308333812.439 }, "end": { "local": "1990-07-07T21:23:29-04:00", "utc": "1990-07-08T01:23:29Z", "ms": 647400209036.0781 } }, "kaala": "sayahna", "days": [ { "local_date": "1990-07-06", "window": { "start": { "local": "1990-07-06T16:25:06-04:00", "utc": "1990-07-06T20:25:06Z", "ms": 647295905867.244 }, "end": { "local": "1990-07-06T18:57:22-04:00", "utc": "1990-07-06T22:57:22Z", "ms": 647305041889.7014 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "1990-07-07", "window": { "start": { "local": "1990-07-07T16:25:12-04:00", "utc": "1990-07-07T20:25:12Z", "ms": 647382312171.1053 }, "end": { "local": "1990-07-07T18:57:26-04:00", "utc": "1990-07-07T22:57:26Z", "ms": 647391445959.9609 } }, "covered_min": 152, "window_min": 152, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:52 on Fri 6 Jul to 21:23 on Sat 7 Jul.", "fact": "1990-07-06T23:52:14Z → 1990-07-08T01:23:29Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:25–18:57 on the 6th, 16:25–18:57 on the 7th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 152 minutes on the 6th and 152 of 152 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3292 s" }, { "step": "ruling", "text": "Kokilā Vrata, Valencia, 1990: Saturday 7 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": "1990-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-07", "confidence": "determinate" } ], "quote": "In Valencia, Kokilā Vrata 1990 falls on Saturday 7 July. Pūrṇimā runs from 19:52 on Fri 6 Jul to 21:23 on Sat 7 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-07", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2139, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-07-06T19:52:14-04:00", "utc": "1990-07-06T23:52:14Z", "ms": 647308333812.439 }, "end": { "local": "1990-07-07T21:23:29-04:00", "utc": "1990-07-08T01:23:29Z", "ms": 647400209036.0781 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1990-07-06T19:52:14-04:00", "utc": "1990-07-06T23:52:14Z", "ms": 647308333812.439 }, "end": { "local": "1990-07-07T21:23:29-04:00", "utc": "1990-07-08T01:23:29Z", "ms": 647400209036.0781 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-07-06", "window": { "start": { "local": "1990-07-06T18:57:22-04:00", "utc": "1990-07-06T22:57:22Z", "ms": 647305041889.7014 }, "end": { "local": "1990-07-06T20:27:53-04:00", "utc": "1990-07-07T00:27:53Z", "ms": 647310473239.8323 } }, "covered_min": 36, "window_min": 91, "qualifies": true }, { "local_date": "1990-07-07", "window": { "start": { "local": "1990-07-07T18:57:26-04:00", "utc": "1990-07-07T22:57:26Z", "ms": 647391445959.9609 }, "end": { "local": "1990-07-07T20:27:59-04:00", "utc": "1990-07-08T00:27:59Z", "ms": 647396878792.7245 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:52 on Fri 6 Jul to 21:23 on Sat 7 Jul.", "fact": "1990-07-06T23:52:14Z → 1990-07-08T01:23:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:28 on the 6th, 18:57–20:28 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 36 of 91 minutes on the 6th and 91 of 91 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "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 2139 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Valencia, 1990: Saturday 7 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-07-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-07", "confidence": "boundary" } ], "quote": "In Valencia, Śiva Śayanotsava 1990 falls on Saturday 7 July. Pūrṇimā runs from 19:52 on Fri 6 Jul to 21:23 on Sat 7 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 36 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/1990/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/1990/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10039, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1990-07-08T22:31:05-04:00", "utc": "1990-07-09T02:31:05Z", "ms": 647490664707.3531 }, "end": { "local": "1990-07-09T23:13:24-04:00", "utc": "1990-07-10T03:13:24Z", "ms": 647579604456.869 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-07-08T22:31:05-04:00", "utc": "1990-07-09T02:31:05Z", "ms": 647490664707.3531 }, "end": { "local": "1990-07-09T23:13:24-04:00", "utc": "1990-07-10T03:13:24Z", "ms": 647579604456.869 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-07-08", "window": { "start": { "local": "1990-07-08T19:41:08-04:00", "utc": "1990-07-08T23:41:08Z", "ms": 647480468265.5604 }, "end": { "local": "1990-07-08T19:41:08-04:00", "utc": "1990-07-08T23:41:08Z", "ms": 647480468265.5604 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-07-09", "window": { "start": { "local": "1990-07-09T20:26:06-04:00", "utc": "1990-07-10T00:26:06Z", "ms": 647569565658.3615 }, "end": { "local": "1990-07-09T20:26:06-04:00", "utc": "1990-07-10T00:26:06Z", "ms": 647569565658.3615 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 22:31 on Sun 8 Jul to 23:13 on Mon 9 Jul.", "fact": "1990-07-09T02:31:05Z → 1990-07-10T03:13:24Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 8th and 20:26 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10039 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Valencia, 1990: Monday 9 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": "1990-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-09", "confidence": "determinate" } ], "quote": "In Valencia, Aśūnya Śayana Vrata (Āṣāḍha) 1990 falls on Monday 9 July. Dvitīyā runs from 22:31 on Sun 8 Jul to 23:13 on Mon 9 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-07-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5310, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-07-10T23:29:24-04:00", "utc": "1990-07-11T03:29:24Z", "ms": 647666963589.4628 }, "end": { "local": "1990-07-11T23:18:15-04:00", "utc": "1990-07-12T03:18:15Z", "ms": 647752695495.2892 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-07-10T23:29:24-04:00", "utc": "1990-07-11T03:29:24Z", "ms": 647666963589.4628 }, "end": { "local": "1990-07-11T23:18:15-04:00", "utc": "1990-07-12T03:18:15Z", "ms": 647752695495.2892 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-07-10", "window": { "start": { "local": "1990-07-10T21:08:43-04:00", "utc": "1990-07-11T01:08:43Z", "ms": 647658522561.0978 }, "end": { "local": "1990-07-10T21:08:43-04:00", "utc": "1990-07-11T01:08:43Z", "ms": 647658522561.0978 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-07-11", "window": { "start": { "local": "1990-07-11T21:49:45-04:00", "utc": "1990-07-12T01:49:45Z", "ms": 647747385037.5399 }, "end": { "local": "1990-07-11T21:49:45-04:00", "utc": "1990-07-12T01:49:45Z", "ms": 647747385037.5399 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:29 on Tue 10 Jul to 23:18 on Wed 11 Jul.", "fact": "1990-07-11T03:29:24Z → 1990-07-12T03:18:15Z" }, { "step": "kaala", "text": "Moonrise is at 21:09 on the 10th and 21:50 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5310 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Wednesday 11 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": "1990-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-11", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Wednesday 11 July. Caturthī runs from 23:29 on Tue 10 Jul to 23:18 on Wed 11 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-07-11", "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/1990/ekadashi?on=1990-07-18", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13905, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-07-17T13:02:13-04:00", "utc": "1990-07-17T17:02:13Z", "ms": 648234133041.2366 }, "end": { "local": "1990-07-18T10:10:42-04:00", "utc": "1990-07-18T14:10:42Z", "ms": 648310242201.8289 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-07-17T13:02:13-04:00", "utc": "1990-07-17T17:02:13Z", "ms": 648234133041.2366 }, "end": { "local": "1990-07-18T10:10:42-04:00", "utc": "1990-07-18T14:10:42Z", "ms": 648310242201.8289 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-07-17", "window": { "start": { "local": "1990-07-17T06:18:44-04:00", "utc": "1990-07-17T10:18:44Z", "ms": 648209923863.2158 }, "end": { "local": "1990-07-17T06:18:44-04:00", "utc": "1990-07-17T10:18:44Z", "ms": 648209923863.2158 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-07-18", "window": { "start": { "local": "1990-07-18T06:18:58-04:00", "utc": "1990-07-18T10:18:58Z", "ms": 648296337618.2001 }, "end": { "local": "1990-07-18T06:18:58-04:00", "utc": "1990-07-18T10:18:58Z", "ms": 648296337618.2001 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:02 on Tue 17 Jul to 10:11 on Wed 18 Jul.", "fact": "1990-07-17T17:02:13Z → 1990-07-18T14:10:42Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 17th and 06:19 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13905 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Valencia, 1990: Wednesday 18 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-18", "confidence": "determinate" } ], "quote": "In Valencia, Kāmikā Ekādaśī 1990 falls on Wednesday 18 July. Ekādaśī runs from 13:02 on Tue 17 Jul to 10:11 on Wed 18 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-07-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28039, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-07-19T07:12:46-04:00", "utc": "1990-07-19T11:12:46Z", "ms": 648385965575.9188 }, "end": { "local": "1990-07-20T04:15:32-04:00", "utc": "1990-07-20T08:15:32Z", "ms": 648461732488.2808 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-07-19T07:12:46-04:00", "utc": "1990-07-19T11:12:46Z", "ms": 648385965575.9188 }, "end": { "local": "1990-07-20T04:15:32-04:00", "utc": "1990-07-20T08:15:32Z", "ms": 648461732488.2808 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-07-18", "window": { "start": { "local": "1990-07-18T18:57:22-04:00", "utc": "1990-07-18T22:57:22Z", "ms": 648341841655.6929 }, "end": { "local": "1990-07-18T20:28:16-04:00", "utc": "1990-07-19T00:28:16Z", "ms": 648347296252.5375 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1990-07-19", "window": { "start": { "local": "1990-07-19T18:57:17-04:00", "utc": "1990-07-19T22:57:17Z", "ms": 648428236595.3971 }, "end": { "local": "1990-07-19T20:28:14-04:00", "utc": "1990-07-20T00:28:14Z", "ms": 648433693633.9563 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:13 on Thu 19 Jul to 04:16 on Fri 20 Jul.", "fact": "1990-07-19T11:12:46Z → 1990-07-20T08:15:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:28 on the 18th, 18:57–20:28 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 18th and 91 of 91 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 28039 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Thursday 19 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-19", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Thursday 19 July. Trayodaśī runs from 07:13 on Thu 19 Jul to 04:16 on Fri 20 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shivaratri?on=1990-07-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1461, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-07-20T04:15:32-04:00", "utc": "1990-07-20T08:15:32Z", "ms": 648461732488.2808 }, "end": { "local": "1990-07-21T01:26:45-04:00", "utc": "1990-07-21T05:26:45Z", "ms": 648538004695.5809 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-07-20T04:15:32-04:00", "utc": "1990-07-20T08:15:32Z", "ms": 648461732488.2808 }, "end": { "local": "1990-07-21T01:26:45-04:00", "utc": "1990-07-21T05:26:45Z", "ms": 648538004695.5809 } }, "kaala": "nishita", "days": [ { "local_date": "1990-07-19", "window": { "start": { "local": "1990-07-20T00:14:20-04:00", "utc": "1990-07-20T04:14:20Z", "ms": 648447260489.994 }, "end": { "local": "1990-07-20T01:02:20-04:00", "utc": "1990-07-20T05:02:20Z", "ms": 648450140489.994 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-07-20", "window": { "start": { "local": "1990-07-21T00:14:24-04:00", "utc": "1990-07-21T04:14:24Z", "ms": 648533664038.8353 }, "end": { "local": "1990-07-21T01:02:24-04:00", "utc": "1990-07-21T05:02:24Z", "ms": 648536544038.8353 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:16 on Fri 20 Jul to 01:27 on Sat 21 Jul.", "fact": "1990-07-20T08:15:32Z → 1990-07-21T05:26:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 19th, 00:14–01:02 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1461 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Friday 20 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-20", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Friday 20 July. Caturdaśī runs from 04:16 on Fri 20 Jul to 01:27 on Sat 21 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-07-20", "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/1990/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18413, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1990-07-23T19:09:00-04:00", "utc": "1990-07-23T23:09:00Z", "ms": 648774540386.6461 }, "end": { "local": "1990-07-24T18:09:20-04:00", "utc": "1990-07-24T22:09:20Z", "ms": 648857359946.9169 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-07-23T19:09:00-04:00", "utc": "1990-07-23T23:09:00Z", "ms": 648774540386.6461 }, "end": { "local": "1990-07-24T18:09:20-04:00", "utc": "1990-07-24T22:09:20Z", "ms": 648857359946.9169 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-07-23", "window": { "start": { "local": "1990-07-23T12:14:25-04:00", "utc": "1990-07-23T16:14:25Z", "ms": 648749665258.5793 }, "end": { "local": "1990-07-23T13:02:25-04:00", "utc": "1990-07-23T17:02:25Z", "ms": 648752545258.5793 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-07-24", "window": { "start": { "local": "1990-07-24T12:14:27-04:00", "utc": "1990-07-24T16:14:27Z", "ms": 648836066663.6394 }, "end": { "local": "1990-07-24T13:02:27-04:00", "utc": "1990-07-24T17:02:27Z", "ms": 648838946663.6394 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:09 on Mon 23 Jul to 18:09 on Tue 24 Jul.", "fact": "1990-07-23T23:09:00Z → 1990-07-24T22:09:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 23rd, 12:14–13:02 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18413 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Valencia, 1990: Tuesday 24 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-24", "confidence": "determinate" } ], "quote": "In Valencia, Madhusravā Tṛtīyā (Hariyali Teej) 1990 falls on Tuesday 24 July. Tṛtīyā runs from 19:09 on Mon 23 Jul to 18:09 on Tue 24 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vinayaka-chaturthi?on=1990-07-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17315, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-07-24T18:09:20-04:00", "utc": "1990-07-24T22:09:20Z", "ms": 648857359946.9169 }, "end": { "local": "1990-07-25T17:51:02-04:00", "utc": "1990-07-25T21:51:02Z", "ms": 648942662457.7675 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-07-24T18:09:20-04:00", "utc": "1990-07-24T22:09:20Z", "ms": 648857359946.9169 }, "end": { "local": "1990-07-25T17:51:02-04:00", "utc": "1990-07-25T21:51:02Z", "ms": 648942662457.7675 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-07-24", "window": { "start": { "local": "1990-07-24T12:14:27-04:00", "utc": "1990-07-24T16:14:27Z", "ms": 648836066663.6394 }, "end": { "local": "1990-07-24T13:02:27-04:00", "utc": "1990-07-24T17:02:27Z", "ms": 648838946663.6394 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-07-25", "window": { "start": { "local": "1990-07-25T12:14:27-04:00", "utc": "1990-07-25T16:14:27Z", "ms": 648922467469.7788 }, "end": { "local": "1990-07-25T13:02:27-04:00", "utc": "1990-07-25T17:02:27Z", "ms": 648925347469.7788 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:09 on Tue 24 Jul to 17:51 on Wed 25 Jul.", "fact": "1990-07-24T22:09:20Z → 1990-07-25T21:51:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 24th, 12:14–13:02 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 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17315 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Wednesday 25 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": "1990-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-25", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Wednesday 25 July. Caturthī runs from 18:09 on Tue 24 Jul to 17:51 on Wed 25 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-07-25", "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/1990/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17315, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1990-07-25T17:51:02-04:00", "utc": "1990-07-25T21:51:02Z", "ms": 648942662457.7675 }, "end": { "local": "1990-07-26T18:15:30-04:00", "utc": "1990-07-26T22:15:30Z", "ms": 649030530409.8694 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-07-25T17:51:02-04:00", "utc": "1990-07-25T21:51:02Z", "ms": 648942662457.7675 }, "end": { "local": "1990-07-26T18:15:30-04:00", "utc": "1990-07-26T22:15:30Z", "ms": 649030530409.8694 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-07-25", "window": { "start": { "local": "1990-07-25T12:14:27-04:00", "utc": "1990-07-25T16:14:27Z", "ms": 648922467469.7788 }, "end": { "local": "1990-07-25T13:02:27-04:00", "utc": "1990-07-25T17:02:27Z", "ms": 648925347469.7788 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-07-26", "window": { "start": { "local": "1990-07-26T12:14:28-04:00", "utc": "1990-07-26T16:14:28Z", "ms": 649008867669.2947 }, "end": { "local": "1990-07-26T13:02:28-04:00", "utc": "1990-07-26T17:02:28Z", "ms": 649011747669.2947 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:51 on Wed 25 Jul to 18:16 on Thu 26 Jul.", "fact": "1990-07-25T21:51:02Z → 1990-07-26T22:15:30Z" }, { "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": "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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17315 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Valencia, 1990: Thursday 26 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-07-26", "confidence": "determinate" } ], "quote": "In Valencia, Nāga Pañcamī 1990 falls on Thursday 26 July. Pañcamī runs from 17:51 on Wed 25 Jul to 18:16 on Thu 26 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-08-01", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1423, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-08-01T03:47:48-04:00", "utc": "1990-08-01T07:47:48Z", "ms": 649496867839.8202 }, "end": { "local": "1990-08-02T05:58:03-04:00", "utc": "1990-08-02T09:58:03Z", "ms": 649591082501.7478 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-08-01T03:47:48-04:00", "utc": "1990-08-01T07:47:48Z", "ms": 649496867839.8202 }, "end": { "local": "1990-08-02T05:58:03-04:00", "utc": "1990-08-02T09:58:03Z", "ms": 649591082501.7478 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-08-01", "window": { "start": { "local": "1990-08-01T06:21:37-04:00", "utc": "1990-08-01T10:21:37Z", "ms": 649506096765.8292 }, "end": { "local": "1990-08-01T06:21:37-04:00", "utc": "1990-08-01T10:21:37Z", "ms": 649506096765.8292 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-08-02", "window": { "start": { "local": "1990-08-02T06:21:45-04:00", "utc": "1990-08-02T10:21:45Z", "ms": 649592505220.242 }, "end": { "local": "1990-08-02T06:21:45-04:00", "utc": "1990-08-02T10:21:45Z", "ms": 649592505220.242 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:48 on Wed 1 Aug to 05:58 on Thu 2 Aug.", "fact": "1990-08-01T07:47:48Z → 1990-08-02T09:58:03Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 1st and 06:22 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 1423 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Valencia, 1990: Wednesday 1 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": "1990-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-01", "confidence": "determinate" } ], "quote": "In Valencia, Putradā Ekādaśī 1990 falls on Wednesday 1 August. Ekādaśī runs from 03:48 on Wed 1 Aug to 05:58 on Thu 2 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-08-01", "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/1990/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15989, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1990-08-02T05:58:03-04:00", "utc": "1990-08-02T09:58:03Z", "ms": 649591082501.7478 }, "end": { "local": "1990-08-03T07:47:38-04:00", "utc": "1990-08-03T11:47:38Z", "ms": 649684058243.8114 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-08-02T05:58:03-04:00", "utc": "1990-08-02T09:58:03Z", "ms": 649591082501.7478 }, "end": { "local": "1990-08-03T07:47:38-04:00", "utc": "1990-08-03T11:47:38Z", "ms": 649684058243.8114 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-02", "window": { "start": { "local": "1990-08-02T12:14:12-04:00", "utc": "1990-08-02T16:14:12Z", "ms": 649613651759.491 }, "end": { "local": "1990-08-02T13:02:12-04:00", "utc": "1990-08-02T17:02:12Z", "ms": 649616531759.491 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-03", "window": { "start": { "local": "1990-08-03T12:14:07-04:00", "utc": "1990-08-03T16:14:07Z", "ms": 649700047008.1602 }, "end": { "local": "1990-08-03T13:02:07-04:00", "utc": "1990-08-03T17:02:07Z", "ms": 649702927008.1602 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:58 on Thu 2 Aug to 07:48 on Fri 3 Aug.", "fact": "1990-08-02T09:58:03Z → 1990-08-03T11:47:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 2nd, 12:14–13:02 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15989 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Valencia, 1990: Thursday 2 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "damodara-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-02", "confidence": "determinate" } ], "quote": "In Valencia, Dāmodara Dvādaśī 1990 falls on Thursday 2 August. Dvādaśī runs from 05:58 on Thu 2 Aug to 07:48 on Fri 3 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/pradosha-vrata?on=1990-08-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35057, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-08-03T07:47:38-04:00", "utc": "1990-08-03T11:47:38Z", "ms": 649684058243.8114 }, "end": { "local": "1990-08-04T09:09:45-04:00", "utc": "1990-08-04T13:09:45Z", "ms": 649775385004.9 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-08-03T07:47:38-04:00", "utc": "1990-08-03T11:47:38Z", "ms": 649684058243.8114 }, "end": { "local": "1990-08-04T09:09:45-04:00", "utc": "1990-08-04T13:09:45Z", "ms": 649775385004.9 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-08-03", "window": { "start": { "local": "1990-08-03T18:54:21-04:00", "utc": "1990-08-03T22:54:21Z", "ms": 649724060767.8865 }, "end": { "local": "1990-08-03T20:26:02-04:00", "utc": "1990-08-04T00:26:02Z", "ms": 649729562112.0249 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1990-08-04", "window": { "start": { "local": "1990-08-04T18:54:02-04:00", "utc": "1990-08-04T22:54:02Z", "ms": 649810442440.1514 }, "end": { "local": "1990-08-04T20:25:47-04:00", "utc": "1990-08-05T00:25:47Z", "ms": 649815947184.3313 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:48 on Fri 3 Aug to 09:10 on Sat 4 Aug.", "fact": "1990-08-03T11:47:38Z → 1990-08-04T13:09:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:26 on the 3rd, 18:54–20:26 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 3rd and 0 of 92 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 35057 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Friday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-03", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Friday 3 August. Trayodaśī runs from 07:48 on Fri 3 Aug to 09:10 on Sat 4 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 14231, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-08-05T10:00:40-04:00", "utc": "1990-08-05T14:00:40Z", "ms": 649864840032.1678 }, "end": { "local": "1990-08-06T10:19:25-04:00", "utc": "1990-08-06T14:19:25Z", "ms": 649952365426.728 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1990-08-05T22:14:02-04:00", "utc": "1990-08-06T02:14:02Z", "ms": 649908842108.2242 }, "end": { "local": "1990-08-06T10:19:25-04:00", "utc": "1990-08-06T14:19:25Z", "ms": 649952365426.728 } }, "kaala": "day", "days": [ { "local_date": "1990-08-05", "window": { "start": { "local": "1990-08-05T06:22:08-04:00", "utc": "1990-08-05T10:22:08Z", "ms": 649851728021.501 }, "end": { "local": "1990-08-06T06:22:15-04:00", "utc": "1990-08-06T10:22:15Z", "ms": 649938134767.2212 } }, "covered_min": 488, "window_min": 1440, "qualifies": true }, { "local_date": "1990-08-06", "window": { "start": { "local": "1990-08-06T06:22:15-04:00", "utc": "1990-08-06T10:22:15Z", "ms": 649938134767.2212 }, "end": { "local": "1990-08-07T06:22:21-04:00", "utc": "1990-08-07T10:22:21Z", "ms": 650024541088.3524 } }, "covered_min": 237, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:01 on Sun 5 Aug to 10:19 on Mon 6 Aug. Its second half begins at 22:14 on Sun 5 Aug.", "fact": "1990-08-05T14:00:40Z → 1990-08-06T14:19:25Z · second half from 1990-08-06T02:14:02Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:22 on the 5th, and from 06:22 on the 6th.", "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 488 of 1440 minutes on the 5th and 237 of 1440 on the 6th.", "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 14231 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Valencia, 1990: Sunday 5 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": "1990-08-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-05", "confidence": "boundary" } ], "quote": "In Valencia, Rakṣā Bandhana (Rakhi) 1990 falls on Sunday 5 August. The second half of Pūrṇimā runs from 22:14 on Sun 5 Aug to 10:19 on Mon 6 Aug and falls on two days: 488 minutes of it on the 5th, 237 on the 6th; 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/1990/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/1990/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6864, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-08-05T10:00:40-04:00", "utc": "1990-08-05T14:00:40Z", "ms": 649864840032.1678 }, "end": { "local": "1990-08-06T10:19:25-04:00", "utc": "1990-08-06T14:19:25Z", "ms": 649952365426.728 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1990-08-05T10:00:40-04:00", "utc": "1990-08-05T14:00:40Z", "ms": 649864840032.1678 }, "end": { "local": "1990-08-06T10:19:25-04:00", "utc": "1990-08-06T14:19:25Z", "ms": 649952365426.728 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-05", "window": { "start": { "local": "1990-08-05T12:13:56-04:00", "utc": "1990-08-05T16:13:56Z", "ms": 649872835673.9741 }, "end": { "local": "1990-08-05T13:01:56-04:00", "utc": "1990-08-05T17:01:56Z", "ms": 649875715673.9741 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-06", "window": { "start": { "local": "1990-08-06T12:13:49-04:00", "utc": "1990-08-06T16:13:49Z", "ms": 649959229102.9324 }, "end": { "local": "1990-08-06T13:01:49-04:00", "utc": "1990-08-06T17:01:49Z", "ms": 649962109102.9324 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:01 on Sun 5 Aug to 10:19 on Mon 6 Aug.", "fact": "1990-08-05T14:00:40Z → 1990-08-06T14:19:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 5th, 12:14–13:02 on the 6th.", "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 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: unstated → only-day · margin 6864 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Valencia, 1990: Sunday 5 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-05", "confidence": "determinate" } ], "quote": "In Valencia, Ṛṣi Tarpaṇa 1990 falls on Sunday 5 August. Pūrṇimā runs from 10:01 on Sun 5 Aug to 10:19 on Mon 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34878, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1990-08-07T10:07:10-04:00", "utc": "1990-08-07T14:07:10Z", "ms": 650038030074.2155 }, "end": { "local": "1990-08-08T09:26:28-04:00", "utc": "1990-08-08T13:26:28Z", "ms": 650121988492.6273 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-07T10:07:10-04:00", "utc": "1990-08-07T14:07:10Z", "ms": 650038030074.2155 }, "end": { "local": "1990-08-08T09:26:28-04:00", "utc": "1990-08-08T13:26:28Z", "ms": 650121988492.6273 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-08-07", "window": { "start": { "local": "1990-08-07T19:48:28-04:00", "utc": "1990-08-07T23:48:28Z", "ms": 650072907930.0483 }, "end": { "local": "1990-08-07T19:48:28-04:00", "utc": "1990-08-07T23:48:28Z", "ms": 650072907930.0483 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-08-08", "window": { "start": { "local": "1990-08-08T20:29:47-04:00", "utc": "1990-08-09T00:29:47Z", "ms": 650161787044.0267 }, "end": { "local": "1990-08-08T20:29:47-04:00", "utc": "1990-08-09T00:29:47Z", "ms": 650161787044.0267 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:07 on Tue 7 Aug to 09:26 on Wed 8 Aug.", "fact": "1990-08-07T14:07:10Z → 1990-08-08T13:26:28Z" }, { "step": "kaala", "text": "Moonrise is at 19:48 on the 7th and 20:30 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34878 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Valencia, 1990: Tuesday 7 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": "1990-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-07", "confidence": "determinate" } ], "quote": "In Valencia, Aśūnya Śayana Vrata 1990 falls on Tuesday 7 August. Dvitīyā runs from 10:07 on Tue 7 Aug to 09:26 on Wed 8 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10026, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1990-08-08T09:26:28-04:00", "utc": "1990-08-08T13:26:28Z", "ms": 650121988492.6273 }, "end": { "local": "1990-08-09T08:20:44-04:00", "utc": "1990-08-09T12:20:44Z", "ms": 650204444373.5061 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-08T09:26:28-04:00", "utc": "1990-08-08T13:26:28Z", "ms": 650121988492.6273 }, "end": { "local": "1990-08-09T08:20:44-04:00", "utc": "1990-08-09T12:20:44Z", "ms": 650204444373.5061 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-08", "window": { "start": { "local": "1990-08-08T12:13:34-04:00", "utc": "1990-08-08T16:13:34Z", "ms": 650132014190.3527 }, "end": { "local": "1990-08-08T13:01:34-04:00", "utc": "1990-08-08T17:01:34Z", "ms": 650134894190.3527 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-09", "window": { "start": { "local": "1990-08-09T12:13:26-04:00", "utc": "1990-08-09T16:13:26Z", "ms": 650218405866.4106 }, "end": { "local": "1990-08-09T13:01:26-04:00", "utc": "1990-08-09T17:01:26Z", "ms": 650221285866.4106 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:26 on Wed 8 Aug to 08:21 on Thu 9 Aug.", "fact": "1990-08-08T13:26:28Z → 1990-08-09T12:20:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 8th, 12:13–13:01 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10026 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Valencia, 1990: Wednesday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-08", "confidence": "determinate" } ], "quote": "In Valencia, Kajjalī Tṛtīyā (Kajari Teej) 1990 falls on Wednesday 8 August. Tṛtīyā runs from 09:26 on Wed 8 Aug to 08:21 on Thu 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28898, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-08-09T08:20:44-04:00", "utc": "1990-08-09T12:20:44Z", "ms": 650204444373.5061 }, "end": { "local": "1990-08-10T06:53:42-04:00", "utc": "1990-08-10T10:53:42Z", "ms": 650285622342.066 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-09T08:20:44-04:00", "utc": "1990-08-09T12:20:44Z", "ms": 650204444373.5061 }, "end": { "local": "1990-08-10T06:53:42-04:00", "utc": "1990-08-10T10:53:42Z", "ms": 650285622342.066 } }, "kaala": "sayahna", "days": [ { "local_date": "1990-08-09", "window": { "start": { "local": "1990-08-09T16:22:22-04:00", "utc": "1990-08-09T20:22:22Z", "ms": 650233341903.55 }, "end": { "local": "1990-08-09T18:52:19-04:00", "utc": "1990-08-09T22:52:19Z", "ms": 650242339261.643 } }, "covered_min": 150, "window_min": 150, "qualifies": true }, { "local_date": "1990-08-10", "window": { "start": { "local": "1990-08-10T16:22:05-04:00", "utc": "1990-08-10T20:22:05Z", "ms": 650319724637.6316 }, "end": { "local": "1990-08-10T18:51:56-04:00", "utc": "1990-08-10T22:51:56Z", "ms": 650328716411.5332 } }, "covered_min": 0, "window_min": 150, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:21 on Thu 9 Aug to 06:54 on Fri 10 Aug.", "fact": "1990-08-09T12:20:44Z → 1990-08-10T10:53:42Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:22–18:52 on the 9th, 16:22–18:52 on the 10th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 150 of 150 minutes on the 9th and 0 of 150 on the 10th.", "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 28898 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Valencia, 1990: Thursday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-09", "confidence": "determinate" } ], "quote": "In Valencia, Bahulā Caturthī 1990 falls on Thursday 9 August. Caturthī runs from 08:21 on Thu 9 Aug to 06:54 on Fri 10 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-08-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34944, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-08-09T08:20:44-04:00", "utc": "1990-08-09T12:20:44Z", "ms": 650204444373.5061 }, "end": { "local": "1990-08-10T06:53:42-04:00", "utc": "1990-08-10T10:53:42Z", "ms": 650285622342.066 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-09T08:20:44-04:00", "utc": "1990-08-09T12:20:44Z", "ms": 650204444373.5061 }, "end": { "local": "1990-08-10T06:53:42-04:00", "utc": "1990-08-10T10:53:42Z", "ms": 650285622342.066 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-08-08", "window": { "start": { "local": "1990-08-08T20:29:47-04:00", "utc": "1990-08-09T00:29:47Z", "ms": 650161787044.0267 }, "end": { "local": "1990-08-08T20:29:47-04:00", "utc": "1990-08-09T00:29:47Z", "ms": 650161787044.0267 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-08-09", "window": { "start": { "local": "1990-08-09T21:11:18-04:00", "utc": "1990-08-10T01:11:18Z", "ms": 650250677946.2396 }, "end": { "local": "1990-08-09T21:11:18-04:00", "utc": "1990-08-10T01:11:18Z", "ms": 650250677946.2396 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:21 on Thu 9 Aug to 06:54 on Fri 10 Aug.", "fact": "1990-08-09T12:20:44Z → 1990-08-10T10:53:42Z" }, { "step": "kaala", "text": "Moonrise is at 20:30 on the 8th and 21:11 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 34944 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Thursday 9 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": "1990-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-09", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Thursday 9 August. Caturthī runs from 08:21 on Thu 9 Aug to 06:54 on Fri 10 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25439, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1990-08-11T05:09:09-04:00", "utc": "1990-08-11T09:09:09Z", "ms": 650365748783.7166 }, "end": { "local": "1990-08-12T03:10:41-04:00", "utc": "1990-08-12T07:10:41Z", "ms": 650445041259.1205 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-11T05:09:09-04:00", "utc": "1990-08-11T09:09:09Z", "ms": 650365748783.7166 }, "end": { "local": "1990-08-12T03:10:41-04:00", "utc": "1990-08-12T07:10:41Z", "ms": 650445041259.1205 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-11", "window": { "start": { "local": "1990-08-11T12:13:08-04:00", "utc": "1990-08-11T16:13:08Z", "ms": 650391187531.3984 }, "end": { "local": "1990-08-11T13:01:08-04:00", "utc": "1990-08-11T17:01:08Z", "ms": 650394067531.3984 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-12", "window": { "start": { "local": "1990-08-12T12:12:58-04:00", "utc": "1990-08-12T16:12:58Z", "ms": 650477577540.1849 }, "end": { "local": "1990-08-12T13:00:58-04:00", "utc": "1990-08-12T17:00:58Z", "ms": 650480457540.1849 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:09 on Sat 11 Aug to 03:11 on Sun 12 Aug.", "fact": "1990-08-11T09:09:09Z → 1990-08-12T07:10:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 11th, 12:13–13:01 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25439 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Valencia, 1990: Saturday 11 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-11", "confidence": "determinate" } ], "quote": "In Valencia, Hala Ṣaṣṭhī 1990 falls on Saturday 11 August. Ṣaṣṭhī runs from 05:09 on Sat 11 Aug to 03:11 on Sun 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32536, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1990-08-12T03:10:41-04:00", "utc": "1990-08-12T07:10:41Z", "ms": 650445041259.1205 }, "end": { "local": "1990-08-13T01:01:45-04:00", "utc": "1990-08-13T05:01:45Z", "ms": 650523705443.7318 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-12T03:10:41-04:00", "utc": "1990-08-12T07:10:41Z", "ms": 650445041259.1205 }, "end": { "local": "1990-08-13T01:01:45-04:00", "utc": "1990-08-13T05:01:45Z", "ms": 650523705443.7318 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-12", "window": { "start": { "local": "1990-08-12T12:12:58-04:00", "utc": "1990-08-12T16:12:58Z", "ms": 650477577540.1849 }, "end": { "local": "1990-08-12T13:00:58-04:00", "utc": "1990-08-12T17:00:58Z", "ms": 650480457540.1849 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-13", "window": { "start": { "local": "1990-08-13T12:12:47-04:00", "utc": "1990-08-13T16:12:47Z", "ms": 650563967012.7778 }, "end": { "local": "1990-08-13T13:00:47-04:00", "utc": "1990-08-13T17:00:47Z", "ms": 650566847012.7778 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:11 on Sun 12 Aug to 01:02 on Mon 13 Aug.", "fact": "1990-08-12T07:10:41Z → 1990-08-13T05:01:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 12th, 12:13–13:01 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32536 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Valencia, 1990: Sunday 12 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-12", "confidence": "determinate" } ], "quote": "In Valencia, Śītalā Saptamī 1990 falls on Sunday 12 August. Saptamī runs from 03:11 on Sun 12 Aug to 01:02 on Mon 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-13", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 46, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1990-08-13T01:01:45-04:00", "utc": "1990-08-13T05:01:45Z", "ms": 650523705443.7318 }, "end": { "local": "1990-08-13T22:45:38-04:00", "utc": "1990-08-14T02:45:38Z", "ms": 650601938180.9043 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-13T01:01:45-04:00", "utc": "1990-08-13T05:01:45Z", "ms": 650523705443.7318 }, "end": { "local": "1990-08-13T22:45:38-04:00", "utc": "1990-08-14T02:45:38Z", "ms": 650601938180.9043 } }, "kaala": "nishita", "days": [ { "local_date": "1990-08-12", "window": { "start": { "local": "1990-08-13T00:12:59-04:00", "utc": "1990-08-13T04:12:59Z", "ms": 650520779473.0237 }, "end": { "local": "1990-08-13T01:00:59-04:00", "utc": "1990-08-13T05:00:59Z", "ms": 650523659473.0237 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-08-13", "window": { "start": { "local": "1990-08-14T00:12:49-04:00", "utc": "1990-08-14T04:12:49Z", "ms": 650607168749.4899 }, "end": { "local": "1990-08-14T01:00:49-04:00", "utc": "1990-08-14T05:00:49Z", "ms": 650610048749.4899 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:02 on Mon 13 Aug to 22:46 on Mon 13 Aug.", "fact": "1990-08-13T05:01:45Z → 1990-08-14T02:45:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 12th, 00:13–01:01 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither night qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 46 s < 300 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Valencia, 1990: Monday 13 August.", "fact": "confidence: boundary (margin)" } ], "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": "1990-08-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-13", "confidence": "boundary" } ], "quote": "In Valencia, Janmāṣṭamī 1990 falls on Monday 13 August. Aṣṭamī runs from 01:02 on Mon 13 Aug to 22:46 on Mon 13 Aug, and reaches niśītha on neither day. It is 0 min 46 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-08-16", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33874, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-08-15T18:04:59-04:00", "utc": "1990-08-15T22:04:59Z", "ms": 650757899382.4596 }, "end": { "local": "1990-08-16T15:47:34-04:00", "utc": "1990-08-16T19:47:34Z", "ms": 650836053536.863 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-15T18:04:59-04:00", "utc": "1990-08-15T22:04:59Z", "ms": 650757899382.4596 }, "end": { "local": "1990-08-16T15:47:34-04:00", "utc": "1990-08-16T19:47:34Z", "ms": 650836053536.863 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-08-15", "window": { "start": { "local": "1990-08-15T06:22:57-04:00", "utc": "1990-08-15T10:22:57Z", "ms": 650715776892.4335 }, "end": { "local": "1990-08-15T06:22:57-04:00", "utc": "1990-08-15T10:22:57Z", "ms": 650715776892.4335 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-08-16", "window": { "start": { "local": "1990-08-16T06:23:00-04:00", "utc": "1990-08-16T10:23:00Z", "ms": 650802179592.0332 }, "end": { "local": "1990-08-16T06:23:00-04:00", "utc": "1990-08-16T10:23:00Z", "ms": 650802179592.0332 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:05 on Wed 15 Aug to 15:48 on Thu 16 Aug.", "fact": "1990-08-15T22:04:59Z → 1990-08-16T19:47:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 15th and 06:23 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33874 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Valencia, 1990: Thursday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-16", "confidence": "determinate" } ], "quote": "In Valencia, Ajā Ekādaśī 1990 falls on Thursday 16 August. Ekādaśī runs from 18:05 on Wed 15 Aug to 15:48 on Thu 16 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-08-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18692, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-08-17T13:37:25-04:00", "utc": "1990-08-17T17:37:25Z", "ms": 650914645151.7915 }, "end": { "local": "1990-08-18T11:39:11-04:00", "utc": "1990-08-18T15:39:11Z", "ms": 650993951397.2246 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-17T13:37:25-04:00", "utc": "1990-08-17T17:37:25Z", "ms": 650914645151.7915 }, "end": { "local": "1990-08-18T11:39:11-04:00", "utc": "1990-08-18T15:39:11Z", "ms": 650993951397.2246 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-08-17", "window": { "start": { "local": "1990-08-17T18:48:58-04:00", "utc": "1990-08-17T22:48:58Z", "ms": 650933337521.6428 }, "end": { "local": "1990-08-17T20:21:30-04:00", "utc": "1990-08-18T00:21:30Z", "ms": 650938890364.7683 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1990-08-18", "window": { "start": { "local": "1990-08-18T18:48:29-04:00", "utc": "1990-08-18T22:48:29Z", "ms": 651019709420.2621 }, "end": { "local": "1990-08-18T20:21:06-04:00", "utc": "1990-08-19T00:21:06Z", "ms": 651025266217.9626 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:37 on Fri 17 Aug to 11:39 on Sat 18 Aug.", "fact": "1990-08-17T17:37:25Z → 1990-08-18T15:39:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:22 on the 17th, 18:48–20:21 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 93 of 93 minutes on the 17th and 0 of 93 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 18692 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Friday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-17", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Friday 17 August. Trayodaśī runs from 13:37 on Fri 17 Aug to 11:39 on Sat 18 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-08-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25758, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-08-18T11:39:11-04:00", "utc": "1990-08-18T15:39:11Z", "ms": 650993951397.2246 }, "end": { "local": "1990-08-19T09:57:56-04:00", "utc": "1990-08-19T13:57:56Z", "ms": 651074276293.3035 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-18T11:39:11-04:00", "utc": "1990-08-18T15:39:11Z", "ms": 650993951397.2246 }, "end": { "local": "1990-08-19T09:57:56-04:00", "utc": "1990-08-19T13:57:56Z", "ms": 651074276293.3035 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-08-18", "window": { "start": { "local": "1990-08-18T18:48:29-04:00", "utc": "1990-08-18T22:48:29Z", "ms": 651019709420.2621 }, "end": { "local": "1990-08-18T20:21:06-04:00", "utc": "1990-08-19T00:21:06Z", "ms": 651025266217.9626 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1990-08-19", "window": { "start": { "local": "1990-08-19T18:48:01-04:00", "utc": "1990-08-19T22:48:01Z", "ms": 651106080718.492 }, "end": { "local": "1990-08-19T20:20:42-04:00", "utc": "1990-08-20T00:20:42Z", "ms": 651111641500.6599 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:39 on Sat 18 Aug to 09:58 on Sun 19 Aug.", "fact": "1990-08-18T15:39:11Z → 1990-08-19T13:57:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:21 on the 18th, 18:48–20:21 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 18th and 0 of 93 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25758 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Valencia, 1990: Saturday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-18", "confidence": "determinate" } ], "quote": "In Valencia, Aghora Caturdaśī 1990 falls on Saturday 18 August. Caturdaśī runs from 11:39 on Sat 18 Aug to 09:58 on Sun 19 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/shivaratri?on=1990-08-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32289, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-08-18T11:39:11-04:00", "utc": "1990-08-18T15:39:11Z", "ms": 650993951397.2246 }, "end": { "local": "1990-08-19T09:57:56-04:00", "utc": "1990-08-19T13:57:56Z", "ms": 651074276293.3035 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-18T11:39:11-04:00", "utc": "1990-08-18T15:39:11Z", "ms": 650993951397.2246 }, "end": { "local": "1990-08-19T09:57:56-04:00", "utc": "1990-08-19T13:57:56Z", "ms": 651074276293.3035 } }, "kaala": "nishita", "days": [ { "local_date": "1990-08-17", "window": { "start": { "local": "1990-08-18T00:12:01-04:00", "utc": "1990-08-18T04:12:01Z", "ms": 650952720683.3635 }, "end": { "local": "1990-08-18T01:00:01-04:00", "utc": "1990-08-18T05:00:01Z", "ms": 650955600683.3635 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-08-18", "window": { "start": { "local": "1990-08-19T00:11:47-04:00", "utc": "1990-08-19T04:11:47Z", "ms": 651039107411.6394 }, "end": { "local": "1990-08-19T00:59:47-04:00", "utc": "1990-08-19T04:59:47Z", "ms": 651041987411.6394 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:39 on Sat 18 Aug to 09:58 on Sun 19 Aug.", "fact": "1990-08-18T15:39:11Z → 1990-08-19T13:57:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 17th, 00:12–01:00 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 32289 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Saturday 18 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": "1990-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-18", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Saturday 18 August. Caturdaśī runs from 11:39 on Sat 18 Aug to 09:58 on Sun 19 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12739, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1990-08-20T08:39:00-04:00", "utc": "1990-08-20T12:39:00Z", "ms": 651155940260.2747 }, "end": { "local": "1990-08-21T07:47:40-04:00", "utc": "1990-08-21T11:47:40Z", "ms": 651239259875.273 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-20T08:39:00-04:00", "utc": "1990-08-20T12:39:00Z", "ms": 651155940260.2747 }, "end": { "local": "1990-08-21T07:47:40-04:00", "utc": "1990-08-21T11:47:40Z", "ms": 651239259875.273 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-20", "window": { "start": { "local": "1990-08-20T12:11:19-04:00", "utc": "1990-08-20T16:11:19Z", "ms": 651168679006.8528 }, "end": { "local": "1990-08-20T12:59:19-04:00", "utc": "1990-08-20T16:59:19Z", "ms": 651171559006.8528 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-21", "window": { "start": { "local": "1990-08-21T12:11:04-04:00", "utc": "1990-08-21T16:11:04Z", "ms": 651255064479.4915 }, "end": { "local": "1990-08-21T12:59:04-04:00", "utc": "1990-08-21T16:59:04Z", "ms": 651257944479.4915 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:39 on Mon 20 Aug to 07:48 on Tue 21 Aug.", "fact": "1990-08-20T12:39:00Z → 1990-08-21T11:47:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 20th, 12:11–12:59 on the 21st.", "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 20th and 0 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: purvaviddha → only-day · margin 12739 s" }, { "step": "ruling", "text": "Rudra Vrata, Valencia, 1990: Monday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-20", "confidence": "determinate" } ], "quote": "In Valencia, Rudra Vrata 1990 falls on Monday 20 August. Pratipadā runs from 08:39 on Mon 20 Aug to 07:48 on Tue 21 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15923, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1990-08-22T07:28:36-04:00", "utc": "1990-08-22T11:28:36Z", "ms": 651324516204.0571 }, "end": { "local": "1990-08-23T07:45:11-04:00", "utc": "1990-08-23T11:45:11Z", "ms": 651411911296.549 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-22T07:28:36-04:00", "utc": "1990-08-22T11:28:36Z", "ms": 651324516204.0571 }, "end": { "local": "1990-08-23T07:45:11-04:00", "utc": "1990-08-23T11:45:11Z", "ms": 651411911296.549 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-22", "window": { "start": { "local": "1990-08-22T12:10:49-04:00", "utc": "1990-08-22T16:10:49Z", "ms": 651341449487.3341 }, "end": { "local": "1990-08-22T12:58:49-04:00", "utc": "1990-08-22T16:58:49Z", "ms": 651344329487.3341 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-23", "window": { "start": { "local": "1990-08-23T12:10:34-04:00", "utc": "1990-08-23T16:10:34Z", "ms": 651427834040.3171 }, "end": { "local": "1990-08-23T12:58:34-04:00", "utc": "1990-08-23T16:58:34Z", "ms": 651430714040.3171 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:29 on Wed 22 Aug to 07:45 on Thu 23 Aug.", "fact": "1990-08-22T11:28:36Z → 1990-08-23T11:45:11Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15923 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Valencia, 1990: Wednesday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-22", "confidence": "determinate" } ], "quote": "In Valencia, Haritālikā Vrata (Hartalika Teej) 1990 falls on Wednesday 22 August. Tṛtīyā runs from 07:29 on Wed 22 Aug to 07:45 on Thu 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12703, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-08-23T07:45:11-04:00", "utc": "1990-08-23T11:45:11Z", "ms": 651411911296.549 }, "end": { "local": "1990-08-24T08:38:36-04:00", "utc": "1990-08-24T12:38:36Z", "ms": 651501515550.2441 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-23T07:45:11-04:00", "utc": "1990-08-23T11:45:11Z", "ms": 651411911296.549 }, "end": { "local": "1990-08-24T08:38:36-04:00", "utc": "1990-08-24T12:38:36Z", "ms": 651501515550.2441 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-23", "window": { "start": { "local": "1990-08-23T12:10:34-04:00", "utc": "1990-08-23T16:10:34Z", "ms": 651427834040.3171 }, "end": { "local": "1990-08-23T12:58:34-04:00", "utc": "1990-08-23T16:58:34Z", "ms": 651430714040.3171 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-24", "window": { "start": { "local": "1990-08-24T12:10:18-04:00", "utc": "1990-08-24T16:10:18Z", "ms": 651514218149.4355 }, "end": { "local": "1990-08-24T12:58:18-04:00", "utc": "1990-08-24T16:58:18Z", "ms": 651517098149.4355 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:45 on Thu 23 Aug to 08:39 on Fri 24 Aug.", "fact": "1990-08-23T11:45:11Z → 1990-08-24T12:38:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 23rd, 12:10–12:58 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12703 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Valencia, 1990: Thursday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-23", "confidence": "determinate" } ], "quote": "In Valencia, Gaṇeśa Caturthī 1990 falls on Thursday 23 August. Caturthī runs from 07:45 on Thu 23 Aug to 08:39 on Fri 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7388, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1990-08-24T08:38:36-04:00", "utc": "1990-08-24T12:38:36Z", "ms": 651501515550.2441 }, "end": { "local": "1990-08-25T10:06:54-04:00", "utc": "1990-08-25T14:06:54Z", "ms": 651593214229.0625 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-24T08:38:36-04:00", "utc": "1990-08-24T12:38:36Z", "ms": 651501515550.2441 }, "end": { "local": "1990-08-25T10:06:54-04:00", "utc": "1990-08-25T14:06:54Z", "ms": 651593214229.0625 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-24", "window": { "start": { "local": "1990-08-24T12:10:18-04:00", "utc": "1990-08-24T16:10:18Z", "ms": 651514218149.4355 }, "end": { "local": "1990-08-24T12:58:18-04:00", "utc": "1990-08-24T16:58:18Z", "ms": 651517098149.4355 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-25", "window": { "start": { "local": "1990-08-25T12:10:02-04:00", "utc": "1990-08-25T16:10:02Z", "ms": 651600601826.7119 }, "end": { "local": "1990-08-25T12:58:02-04:00", "utc": "1990-08-25T16:58:02Z", "ms": 651603481826.7119 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:39 on Fri 24 Aug to 10:07 on Sat 25 Aug.", "fact": "1990-08-24T12:38:36Z → 1990-08-25T14:06:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 24th, 12:10–12:58 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 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 7388 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Valencia, 1990: Friday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-24", "confidence": "determinate" } ], "quote": "In Valencia, Ṛṣi Pañcamī 1990 falls on Friday 24 August. Pañcamī runs from 08:39 on Fri 24 Aug to 10:07 on Sat 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 317, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1990-08-25T10:06:54-04:00", "utc": "1990-08-25T14:06:54Z", "ms": 651593214229.0625 }, "end": { "local": "1990-08-26T12:04:28-04:00", "utc": "1990-08-26T16:04:28Z", "ms": 651686668467.4788 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-25T10:06:54-04:00", "utc": "1990-08-25T14:06:54Z", "ms": 651593214229.0625 }, "end": { "local": "1990-08-26T12:04:28-04:00", "utc": "1990-08-26T16:04:28Z", "ms": 651686668467.4788 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-25", "window": { "start": { "local": "1990-08-25T12:10:02-04:00", "utc": "1990-08-25T16:10:02Z", "ms": 651600601826.7119 }, "end": { "local": "1990-08-25T12:58:02-04:00", "utc": "1990-08-25T16:58:02Z", "ms": 651603481826.7119 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-26", "window": { "start": { "local": "1990-08-26T12:09:45-04:00", "utc": "1990-08-26T16:09:45Z", "ms": 651686985085.1313 }, "end": { "local": "1990-08-26T12:57:45-04:00", "utc": "1990-08-26T16:57:45Z", "ms": 651689865085.1313 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:07 on Sat 25 Aug to 12:04 on Sun 26 Aug.", "fact": "1990-08-25T14:06:54Z → 1990-08-26T16:04:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 25th, 12:10–12:58 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 317 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Valencia, 1990: Saturday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-26", "confidence": "determinate" } ], "quote": "In Valencia, Sūrya Ṣaṣṭhī (Bhādrapada) 1990 falls on Saturday 25 August. Ṣaṣṭhī runs from 10:07 on Sat 25 Aug to 12:04 on Sun 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 317, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1990-08-26T12:04:28-04:00", "utc": "1990-08-26T16:04:28Z", "ms": 651686668467.4788 }, "end": { "local": "1990-08-27T14:21:51-04:00", "utc": "1990-08-27T18:21:51Z", "ms": 651781310664.754 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-26T12:04:28-04:00", "utc": "1990-08-26T16:04:28Z", "ms": 651686668467.4788 }, "end": { "local": "1990-08-27T14:21:51-04:00", "utc": "1990-08-27T18:21:51Z", "ms": 651781310664.754 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-26", "window": { "start": { "local": "1990-08-26T12:09:45-04:00", "utc": "1990-08-26T16:09:45Z", "ms": 651686985085.1313 }, "end": { "local": "1990-08-26T12:57:45-04:00", "utc": "1990-08-26T16:57:45Z", "ms": 651689865085.1313 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-08-27", "window": { "start": { "local": "1990-08-27T12:09:28-04:00", "utc": "1990-08-27T16:09:28Z", "ms": 651773367938.648 }, "end": { "local": "1990-08-27T12:57:28-04:00", "utc": "1990-08-27T16:57:28Z", "ms": 651776247938.648 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:04 on Sun 26 Aug to 14:22 on Mon 27 Aug.", "fact": "1990-08-26T16:04:28Z → 1990-08-27T18:21:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 26th, 12:09–12:57 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 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 317 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Valencia, 1990: Sunday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-26", "confidence": "determinate" } ], "quote": "In Valencia, Muktābharaṇa Vrata 1990 falls on Sunday 26 August. Saptamī runs from 12:04 on Sun 26 Aug to 14:22 on Mon 27 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5063, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1990-08-27T14:21:51-04:00", "utc": "1990-08-27T18:21:51Z", "ms": 651781310664.754 }, "end": { "local": "1990-08-28T16:46:30-04:00", "utc": "1990-08-28T20:46:30Z", "ms": 651876390136.8197 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-27T14:21:51-04:00", "utc": "1990-08-27T18:21:51Z", "ms": 651781310664.754 }, "end": { "local": "1990-08-28T16:46:30-04:00", "utc": "1990-08-28T20:46:30Z", "ms": 651876390136.8197 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-27", "window": { "start": { "local": "1990-08-27T12:09:28-04:00", "utc": "1990-08-27T16:09:28Z", "ms": 651773367938.648 }, "end": { "local": "1990-08-27T12:57:28-04:00", "utc": "1990-08-27T16:57:28Z", "ms": 651776247938.648 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-08-28", "window": { "start": { "local": "1990-08-28T12:09:10-04:00", "utc": "1990-08-28T16:09:10Z", "ms": 651859750401.7915 }, "end": { "local": "1990-08-28T12:57:10-04:00", "utc": "1990-08-28T16:57:10Z", "ms": 651862630401.7915 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:22 on Mon 27 Aug to 16:47 on Tue 28 Aug.", "fact": "1990-08-27T18:21:51Z → 1990-08-28T20:46:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 27th, 12:09–12:57 on the 28th.", "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 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5063 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Valencia, 1990: Tuesday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-28", "confidence": "determinate" } ], "quote": "In Valencia, Rādhāṣṭamī 1990 falls on Tuesday 28 August. Aṣṭamī runs from 14:22 on Mon 27 Aug to 16:47 on Tue 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-08-31", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28407, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-08-30T21:02:25-04:00", "utc": "1990-08-31T01:02:25Z", "ms": 652064544719.7144 }, "end": { "local": "1990-08-31T22:29:26-04:00", "utc": "1990-09-01T02:29:26Z", "ms": 652156166430.5203 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-30T21:02:25-04:00", "utc": "1990-08-31T01:02:25Z", "ms": 652064544719.7144 }, "end": { "local": "1990-08-31T22:29:26-04:00", "utc": "1990-09-01T02:29:26Z", "ms": 652156166430.5203 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-08-31", "window": { "start": { "local": "1990-08-31T06:22:57-04:00", "utc": "1990-08-31T10:22:57Z", "ms": 652098176503.3279 }, "end": { "local": "1990-08-31T06:22:57-04:00", "utc": "1990-08-31T10:22:57Z", "ms": 652098176503.3279 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-09-01", "window": { "start": { "local": "1990-09-01T06:22:54-04:00", "utc": "1990-09-01T10:22:54Z", "ms": 652184573738.6848 }, "end": { "local": "1990-09-01T06:22:54-04:00", "utc": "1990-09-01T10:22:54Z", "ms": 652184573738.6848 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:02 on Thu 30 Aug to 22:29 on Fri 31 Aug.", "fact": "1990-08-31T01:02:25Z → 1990-09-01T02:29:26Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 31st and 06:23 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28407 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Valencia, 1990: Friday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-08-31", "confidence": "determinate" } ], "quote": "In Valencia, Parivartanī Ekādaśī 1990 falls on Friday 31 August. Ekādaśī runs from 21:02 on Thu 30 Aug to 22:29 on Fri 31 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34391, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1990-08-31T22:29:26-04:00", "utc": "1990-09-01T02:29:26Z", "ms": 652156166430.5203 }, "end": { "local": "1990-09-01T23:18:28-04:00", "utc": "1990-09-02T03:18:28Z", "ms": 652245507602.5452 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-08-31T22:29:26-04:00", "utc": "1990-09-01T02:29:26Z", "ms": 652156166430.5203 }, "end": { "local": "1990-09-01T23:18:28-04:00", "utc": "1990-09-02T03:18:28Z", "ms": 652245507602.5452 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-08-31", "window": { "start": { "local": "1990-08-31T12:08:16-04:00", "utc": "1990-08-31T16:08:16Z", "ms": 652118895608.0891 }, "end": { "local": "1990-08-31T12:56:16-04:00", "utc": "1990-08-31T16:56:16Z", "ms": 652121775608.0891 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-09-01", "window": { "start": { "local": "1990-09-01T12:07:57-04:00", "utc": "1990-09-01T16:07:57Z", "ms": 652205276672.8081 }, "end": { "local": "1990-09-01T12:55:57-04:00", "utc": "1990-09-01T16:55:57Z", "ms": 652208156672.8081 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:29 on Fri 31 Aug to 23:18 on Sat 1 Sep.", "fact": "1990-09-01T02:29:26Z → 1990-09-02T03:18:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 31st, 12:08–12:56 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34391 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Valencia, 1990: Saturday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-01", "confidence": "determinate" } ], "quote": "In Valencia, Vāmana Jayantī 1990 falls on Saturday 1 September. Dvādaśī runs from 22:29 on Fri 31 Aug to 23:18 on Sat 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/pradosha-vrata?on=1990-09-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11033, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-09-01T23:18:28-04:00", "utc": "1990-09-02T03:18:28Z", "ms": 652245507602.5452 }, "end": { "local": "1990-09-02T23:26:29-04:00", "utc": "1990-09-03T03:26:29Z", "ms": 652332389037.9773 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-09-01T23:18:28-04:00", "utc": "1990-09-02T03:18:28Z", "ms": 652245507602.5452 }, "end": { "local": "1990-09-02T23:26:29-04:00", "utc": "1990-09-03T03:26:29Z", "ms": 652332389037.9773 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-09-01", "window": { "start": { "local": "1990-09-01T18:41:00-04:00", "utc": "1990-09-01T22:41:00Z", "ms": 652228859606.9313 }, "end": { "local": "1990-09-01T20:14:34-04:00", "utc": "1990-09-02T00:14:34Z", "ms": 652234474422.3477 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1990-09-02", "window": { "start": { "local": "1990-09-02T18:40:24-04:00", "utc": "1990-09-02T22:40:24Z", "ms": 652315224142.603 }, "end": { "local": "1990-09-02T20:14:03-04:00", "utc": "1990-09-03T00:14:03Z", "ms": 652320843253.072 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:18 on Sat 1 Sep to 23:26 on Sun 2 Sep.", "fact": "1990-09-02T03:18:28Z → 1990-09-03T03:26:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:15 on the 1st, 18:40–20:14 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 1st and 94 of 94 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11033 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Sunday 2 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": "1990-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-02", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Sunday 2 September. Trayodaśī runs from 23:18 on Sat 1 Sep to 23:26 on Sun 2 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-09-02", "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/1990/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24978, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-09-02T23:26:29-04:00", "utc": "1990-09-03T03:26:29Z", "ms": 652332389037.9773 }, "end": { "local": "1990-09-03T22:54:17-04:00", "utc": "1990-09-04T02:54:17Z", "ms": 652416857051.3411 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1990-09-02T23:26:29-04:00", "utc": "1990-09-03T03:26:29Z", "ms": 652332389037.9773 }, "end": { "local": "1990-09-03T22:54:17-04:00", "utc": "1990-09-04T02:54:17Z", "ms": 652416857051.3411 } }, "kaala": "udaya-3", "days": [ { "local_date": "1990-09-03", "window": { "start": { "local": "1990-09-03T06:22:47-04:00", "utc": "1990-09-03T10:22:47Z", "ms": 652357367471.1204 }, "end": { "local": "1990-09-03T08:50:12-04:00", "utc": "1990-09-03T12:50:12Z", "ms": 652366211645.4109 } }, "covered_min": 147, "window_min": 147, "qualifies": true }, { "local_date": "1990-09-04", "window": { "start": { "local": "1990-09-04T06:22:44-04:00", "utc": "1990-09-04T10:22:44Z", "ms": 652443764001.8374 }, "end": { "local": "1990-09-04T08:50:02-04:00", "utc": "1990-09-04T12:50:02Z", "ms": 652452601647.5269 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:26 on Sun 2 Sep to 22:54 on Mon 3 Sep.", "fact": "1990-09-03T03:26:29Z → 1990-09-04T02:54:17Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:23–08:50 on the 3rd, 06:23–08:50 on the 4th.", "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 147 of 147 minutes on the 3rd and 0 of 147 on the 4th.", "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 24978 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Valencia, 1990: Monday 3 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": "1990-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-03", "confidence": "determinate" } ], "quote": "In Valencia, Ananta Caturdaśī 1990 falls on Monday 3 September. Caturdaśī runs from 23:26 on Sun 2 Sep to 22:54 on Mon 3 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-09-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17596, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-09-07T15:43:52-04:00", "utc": "1990-09-07T19:43:52Z", "ms": 652736631984.2787 }, "end": { "local": "1990-09-08T13:15:34-04:00", "utc": "1990-09-08T17:15:34Z", "ms": 652814133720.3688 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-07T15:43:52-04:00", "utc": "1990-09-07T19:43:52Z", "ms": 652736631984.2787 }, "end": { "local": "1990-09-08T13:15:34-04:00", "utc": "1990-09-08T17:15:34Z", "ms": 652814133720.3688 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-09-07", "window": { "start": { "local": "1990-09-07T20:37:08-04:00", "utc": "1990-09-08T00:37:08Z", "ms": 652754227977.286 }, "end": { "local": "1990-09-07T20:37:08-04:00", "utc": "1990-09-08T00:37:08Z", "ms": 652754227977.286 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-09-08", "window": { "start": { "local": "1990-09-08T21:26:33-04:00", "utc": "1990-09-09T01:26:33Z", "ms": 652843592832.422 }, "end": { "local": "1990-09-08T21:26:33-04:00", "utc": "1990-09-09T01:26:33Z", "ms": 652843592832.422 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:44 on Fri 7 Sep to 13:16 on Sat 8 Sep.", "fact": "1990-09-07T19:43:52Z → 1990-09-08T17:15:34Z" }, { "step": "kaala", "text": "Moonrise is at 20:37 on the 7th and 21:27 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 17596 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Friday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-07", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Friday 7 September. Caturthī runs from 15:44 on Fri 7 Sep to 13:16 on Sat 8 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35850, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1990-09-09T10:44:57-04:00", "utc": "1990-09-09T14:44:57Z", "ms": 652891497461.3494 }, "end": { "local": "1990-09-10T08:17:48-04:00", "utc": "1990-09-10T12:17:48Z", "ms": 652969067636.9248 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-09T10:44:57-04:00", "utc": "1990-09-09T14:44:57Z", "ms": 652891497461.3494 }, "end": { "local": "1990-09-10T08:17:48-04:00", "utc": "1990-09-10T12:17:48Z", "ms": 652969067636.9248 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-09-08", "window": { "start": { "local": "1990-09-08T21:26:33-04:00", "utc": "1990-09-09T01:26:33Z", "ms": 652843592832.422 }, "end": { "local": "1990-09-08T21:26:33-04:00", "utc": "1990-09-09T01:26:33Z", "ms": 652843592832.422 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-09-09", "window": { "start": { "local": "1990-09-09T22:20:17-04:00", "utc": "1990-09-10T02:20:17Z", "ms": 652933217216.0565 }, "end": { "local": "1990-09-09T22:20:17-04:00", "utc": "1990-09-10T02:20:17Z", "ms": 652933217216.0565 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:45 on Sun 9 Sep to 08:18 on Mon 10 Sep.", "fact": "1990-09-09T14:44:57Z → 1990-09-10T12:17:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:27 on the 8th and 22:20 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35850 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Valencia, 1990: Sunday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-09", "confidence": "determinate" } ], "quote": "In Valencia, Candra Ṣaṣṭhī 1990 falls on Sunday 9 September. Ṣaṣṭhī runs from 10:45 on Sun 9 Sep to 08:18 on Mon 10 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27708, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1990-09-11T05:58:40-04:00", "utc": "1990-09-11T09:58:40Z", "ms": 653047120078.3362 }, "end": { "local": "1990-09-12T03:50:59-04:00", "utc": "1990-09-12T07:50:59Z", "ms": 653125859116.8779 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-11T05:58:40-04:00", "utc": "1990-09-11T09:58:40Z", "ms": 653047120078.3362 }, "end": { "local": "1990-09-12T03:50:59-04:00", "utc": "1990-09-12T07:50:59Z", "ms": 653125859116.8779 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-09-10", "window": { "start": { "local": "1990-09-10T18:35:30-04:00", "utc": "1990-09-10T22:35:30Z", "ms": 653006130368.9769 }, "end": { "local": "1990-09-10T20:09:44-04:00", "utc": "1990-09-11T00:09:44Z", "ms": 653011784350.7167 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1990-09-11", "window": { "start": { "local": "1990-09-11T18:34:53-04:00", "utc": "1990-09-11T22:34:53Z", "ms": 653092492755.7407 }, "end": { "local": "1990-09-11T20:09:11-04:00", "utc": "1990-09-12T00:09:11Z", "ms": 653098151149.978 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:59 on Tue 11 Sep to 03:51 on Wed 12 Sep.", "fact": "1990-09-11T09:58:40Z → 1990-09-12T07:50:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:10 on the 10th, 18:35–20:09 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 94 minutes on the 10th and 94 of 94 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27708 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Valencia, 1990: Tuesday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-11", "confidence": "determinate" } ], "quote": "In Valencia, Jitāṣṭamī (Jitiya) 1990 falls on Tuesday 11 September. Aṣṭamī runs from 05:59 on Tue 11 Sep to 03:51 on Wed 12 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12696, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1990-09-11T05:58:40-04:00", "utc": "1990-09-11T09:58:40Z", "ms": 653047120078.3362 }, "end": { "local": "1990-09-12T03:50:59-04:00", "utc": "1990-09-12T07:50:59Z", "ms": 653125859116.8779 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-11T05:58:40-04:00", "utc": "1990-09-11T09:58:40Z", "ms": 653047120078.3362 }, "end": { "local": "1990-09-12T03:50:59-04:00", "utc": "1990-09-12T07:50:59Z", "ms": 653125859116.8779 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-09-10", "window": { "start": { "local": "1990-09-10T23:18:18-04:00", "utc": "1990-09-11T03:18:18Z", "ms": 653023098169.181 }, "end": { "local": "1990-09-10T23:18:18-04:00", "utc": "1990-09-11T03:18:18Z", "ms": 653023098169.181 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-09-11", "window": { "start": { "local": "1990-09-12T00:19:23-04:00", "utc": "1990-09-12T04:19:23Z", "ms": 653113163251.9791 }, "end": { "local": "1990-09-12T00:19:23-04:00", "utc": "1990-09-12T04:19:23Z", "ms": 653113163251.9791 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:59 on Tue 11 Sep to 03:51 on Wed 12 Sep.", "fact": "1990-09-11T09:58:40Z → 1990-09-12T07:50:59Z" }, { "step": "kaala", "text": "Moonrise is at 23:18 on the 10th and 00:19 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12696 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Valencia, 1990: Tuesday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-11", "confidence": "determinate" } ], "quote": "In Valencia, Mahālakṣmī Vrata Samāpana 1990 falls on Tuesday 11 September. Aṣṭamī runs from 05:59 on Tue 11 Sep to 03:51 on Wed 12 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-09-14", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21810, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-09-14T00:18:32-04:00", "utc": "1990-09-14T04:18:32Z", "ms": 653285911815.8229 }, "end": { "local": "1990-09-14T22:56:31-04:00", "utc": "1990-09-15T02:56:31Z", "ms": 653367391254.5184 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-14T00:18:32-04:00", "utc": "1990-09-14T04:18:32Z", "ms": 653285911815.8229 }, "end": { "local": "1990-09-14T22:56:31-04:00", "utc": "1990-09-15T02:56:31Z", "ms": 653367391254.5184 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-09-14", "window": { "start": { "local": "1990-09-14T06:22:02-04:00", "utc": "1990-09-14T10:22:02Z", "ms": 653307721540.7146 }, "end": { "local": "1990-09-14T06:22:02-04:00", "utc": "1990-09-14T10:22:02Z", "ms": 653307721540.7146 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-09-15", "window": { "start": { "local": "1990-09-15T06:21:57-04:00", "utc": "1990-09-15T10:21:57Z", "ms": 653394116918.5001 }, "end": { "local": "1990-09-15T06:21:57-04:00", "utc": "1990-09-15T10:21:57Z", "ms": 653394116918.5001 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:19 on Fri 14 Sep to 22:57 on Fri 14 Sep.", "fact": "1990-09-14T04:18:32Z → 1990-09-15T02:56:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 14th and 06:22 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21810 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Valencia, 1990: Friday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-14", "confidence": "determinate" } ], "quote": "In Valencia, Indirā Ekādaśī 1990 falls on Friday 14 September. Ekādaśī runs from 00:19 on Fri 14 Sep to 22:57 on Fri 14 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-09-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3675, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-09-15T21:52:20-04:00", "utc": "1990-09-16T01:52:20Z", "ms": 653449939636.7643 }, "end": { "local": "1990-09-16T21:07:39-04:00", "utc": "1990-09-17T01:07:39Z", "ms": 653533658515.3088 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-15T21:52:20-04:00", "utc": "1990-09-16T01:52:20Z", "ms": 653449939636.7643 }, "end": { "local": "1990-09-16T21:07:39-04:00", "utc": "1990-09-17T01:07:39Z", "ms": 653533658515.3088 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-09-15", "window": { "start": { "local": "1990-09-15T18:32:21-04:00", "utc": "1990-09-15T22:32:21Z", "ms": 653437941321.1151 }, "end": { "local": "1990-09-15T20:06:57-04:00", "utc": "1990-09-16T00:06:57Z", "ms": 653443617450.4496 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1990-09-16", "window": { "start": { "local": "1990-09-16T18:31:43-04:00", "utc": "1990-09-16T22:31:43Z", "ms": 653524303320.1213 }, "end": { "local": "1990-09-16T20:06:24-04:00", "utc": "1990-09-17T00:06:24Z", "ms": 653529983900.4274 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:52 on Sat 15 Sep to 21:08 on Sun 16 Sep.", "fact": "1990-09-16T01:52:20Z → 1990-09-17T01:07:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:07 on the 15th, 18:32–20:06 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 15th and 95 of 95 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3675 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Sunday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-16", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Sunday 16 September. Trayodaśī runs from 21:52 on Sat 15 Sep to 21:08 on Sun 16 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-09-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shivaratri?on=1990-09-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10507, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-09-16T21:07:39-04:00", "utc": "1990-09-17T01:07:39Z", "ms": 653533658515.3088 }, "end": { "local": "1990-09-17T20:44:44-04:00", "utc": "1990-09-18T00:44:44Z", "ms": 653618684205.8698 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-16T21:07:39-04:00", "utc": "1990-09-17T01:07:39Z", "ms": 653533658515.3088 }, "end": { "local": "1990-09-17T20:44:44-04:00", "utc": "1990-09-18T00:44:44Z", "ms": 653618684205.8698 } }, "kaala": "nishita", "days": [ { "local_date": "1990-09-16", "window": { "start": { "local": "1990-09-17T00:02:45-04:00", "utc": "1990-09-17T04:02:45Z", "ms": 653544165496.2689 }, "end": { "local": "1990-09-17T00:50:45-04:00", "utc": "1990-09-17T04:50:45Z", "ms": 653547045496.2689 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-09-17", "window": { "start": { "local": "1990-09-18T00:02:24-04:00", "utc": "1990-09-18T04:02:24Z", "ms": 653630544188.8601 }, "end": { "local": "1990-09-18T00:50:24-04:00", "utc": "1990-09-18T04:50:24Z", "ms": 653633424188.8601 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:08 on Sun 16 Sep to 20:45 on Mon 17 Sep.", "fact": "1990-09-17T01:07:39Z → 1990-09-18T00:44:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 16th, 00:02–00:50 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 10507 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Sunday 16 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": "1990-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-16", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Sunday 16 September. Caturdaśī runs from 21:08 on Sun 16 Sep to 20:45 on Mon 17 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-09-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16770, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1990-09-17T20:44:44-04:00", "utc": "1990-09-18T00:44:44Z", "ms": 653618684205.8698 }, "end": { "local": "1990-09-18T20:46:21-04:00", "utc": "1990-09-19T00:46:21Z", "ms": 653705181068.683 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-17T20:44:44-04:00", "utc": "1990-09-18T00:44:44Z", "ms": 653618684205.8698 }, "end": { "local": "1990-09-18T20:46:21-04:00", "utc": "1990-09-19T00:46:21Z", "ms": 653705181068.683 } }, "kaala": "aparahna", "days": [ { "local_date": "1990-09-17", "window": { "start": { "local": "1990-09-17T13:39:22-04:00", "utc": "1990-09-17T17:39:22Z", "ms": 653593162249.942 }, "end": { "local": "1990-09-17T16:05:14-04:00", "utc": "1990-09-17T20:05:14Z", "ms": 653601913775.7839 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1990-09-18", "window": { "start": { "local": "1990-09-18T13:38:58-04:00", "utc": "1990-09-18T17:38:58Z", "ms": 653679537601.4105 }, "end": { "local": "1990-09-18T16:04:42-04:00", "utc": "1990-09-18T20:04:42Z", "ms": 653688282443.1826 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 20:45 on Mon 17 Sep to 20:46 on Tue 18 Sep.", "fact": "1990-09-18T00:44:44Z → 1990-09-19T00:46:21Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:39–16:05 on the 17th, 13:39–16:05 on the 18th.", "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 146 minutes on the 17th and 146 of 146 on the 18th.", "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 16770 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Valencia, 1990: Tuesday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-18", "confidence": "determinate" } ], "quote": "In Valencia, Mahālaya Amāvāsyā 1990 falls on Tuesday 18 September. Amāvasyā runs from 20:45 on Mon 17 Sep to 20:46 on Tue 18 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28576, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1990-09-18T20:46:21-04:00", "utc": "1990-09-19T00:46:21Z", "ms": 653705181068.683 }, "end": { "local": "1990-09-19T21:15:16-04:00", "utc": "1990-09-20T01:15:16Z", "ms": 653793316367.9949 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-18T20:46:21-04:00", "utc": "1990-09-19T00:46:21Z", "ms": 653705181068.683 }, "end": { "local": "1990-09-19T21:15:16-04:00", "utc": "1990-09-20T01:15:16Z", "ms": 653793316367.9949 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-09-18", "window": { "start": { "local": "1990-09-18T12:02:05-04:00", "utc": "1990-09-18T16:02:05Z", "ms": 653673725180.5245 }, "end": { "local": "1990-09-18T12:50:05-04:00", "utc": "1990-09-18T16:50:05Z", "ms": 653676605180.5245 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-09-19", "window": { "start": { "local": "1990-09-19T12:01:44-04:00", "utc": "1990-09-19T16:01:44Z", "ms": 653760103902.7286 }, "end": { "local": "1990-09-19T12:49:44-04:00", "utc": "1990-09-19T16:49:44Z", "ms": 653762983902.7286 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:46 on Tue 18 Sep to 21:15 on Wed 19 Sep.", "fact": "1990-09-19T00:46:21Z → 1990-09-20T01:15:16Z" }, { "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": "Pratipadā 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28576 s" }, { "step": "ruling", "text": "Navarātrārambha, Valencia, 1990: Wednesday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-19", "confidence": "determinate" } ], "quote": "In Valencia, Navarātrārambha (Navratri) 1990 falls on Wednesday 19 September. Pratipadā runs from 20:46 on Tue 18 Sep to 21:15 on Wed 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vinayaka-chaturthi?on=1990-09-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37350, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-09-21T23:41:52-04:00", "utc": "1990-09-22T03:41:52Z", "ms": 653974911932.1761 }, "end": { "local": "1990-09-23T01:37:49-04:00", "utc": "1990-09-23T05:37:49Z", "ms": 654068268933.9679 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-21T23:41:52-04:00", "utc": "1990-09-22T03:41:52Z", "ms": 653974911932.1761 }, "end": { "local": "1990-09-23T01:37:49-04:00", "utc": "1990-09-23T05:37:49Z", "ms": 654068268933.9679 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-09-22", "window": { "start": { "local": "1990-09-22T12:00:40-04:00", "utc": "1990-09-22T16:00:40Z", "ms": 654019240411.5648 }, "end": { "local": "1990-09-22T12:48:40-04:00", "utc": "1990-09-22T16:48:40Z", "ms": 654022120411.5648 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-09-23", "window": { "start": { "local": "1990-09-23T12:00:19-04:00", "utc": "1990-09-23T16:00:19Z", "ms": 654105619420.521 }, "end": { "local": "1990-09-23T12:48:19-04:00", "utc": "1990-09-23T16:48:19Z", "ms": 654108499420.521 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:42 on Fri 21 Sep to 01:38 on Sun 23 Sep.", "fact": "1990-09-22T03:41:52Z → 1990-09-23T05:37:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 22nd, 12:00–12:48 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37350 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Saturday 22 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-22", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Saturday 22 September. Caturthī runs from 23:42 on Fri 21 Sep to 01:38 on Sun 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-26", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 283, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1990-09-25T06:25:56-04:00", "utc": "1990-09-25T10:25:56Z", "ms": 654258355726.0477 }, "end": { "local": "1990-09-26T08:55:35-04:00", "utc": "1990-09-26T12:55:35Z", "ms": 654353734971.9542 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-25T06:25:56-04:00", "utc": "1990-09-25T10:25:56Z", "ms": 654258355726.0477 }, "end": { "local": "1990-09-26T08:55:35-04:00", "utc": "1990-09-26T12:55:35Z", "ms": 654353734971.9542 } }, "kaala": "udaya-1", "days": [ { "local_date": "1990-09-25", "window": { "start": { "local": "1990-09-25T06:21:13-04:00", "utc": "1990-09-25T10:21:13Z", "ms": 654258072726.4292 }, "end": { "local": "1990-09-25T07:09:32-04:00", "utc": "1990-09-25T11:09:32Z", "ms": 654260972070.5624 } }, "covered_min": 44, "window_min": 48, "qualifies": false }, { "local_date": "1990-09-26", "window": { "start": { "local": "1990-09-26T06:21:09-04:00", "utc": "1990-09-26T10:21:09Z", "ms": 654344468834.2811 }, "end": { "local": "1990-09-26T07:09:26-04:00", "utc": "1990-09-26T11:09:26Z", "ms": 654347365952.8435 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:26 on Tue 25 Sep to 08:56 on Wed 26 Sep.", "fact": "1990-09-25T10:25:56Z → 1990-09-26T12:55:35Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:21–07:10 on the 25th, 06:21–07:09 on the 26th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 44 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 283 s < 300 s" }, { "step": "ruling", "text": "Durgā Saptamī, Valencia, 1990: Wednesday 26 September.", "fact": "confidence: boundary (margin)" } ], "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": "1990-09-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-26", "confidence": "boundary" } ], "quote": "In Valencia, Durgā Saptamī 1990 falls on Wednesday 26 September. Saptamī runs from 06:26 on Tue 25 Sep to 08:56 on Wed 26 Sep and covers all of the first muhūrta after sunrise that morning. It is 4 min 43 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2930, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1990-09-26T08:55:35-04:00", "utc": "1990-09-26T12:55:35Z", "ms": 654353734971.9542 }, "end": { "local": "1990-09-27T11:10:07-04:00", "utc": "1990-09-27T15:10:07Z", "ms": 654448207218.0948 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-26T08:55:35-04:00", "utc": "1990-09-26T12:55:35Z", "ms": 654353734971.9542 }, "end": { "local": "1990-09-27T11:10:07-04:00", "utc": "1990-09-27T15:10:07Z", "ms": 654448207218.0948 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-09-26", "window": { "start": { "local": "1990-09-26T11:59:17-04:00", "utc": "1990-09-26T15:59:17Z", "ms": 654364757223.499 }, "end": { "local": "1990-09-26T12:47:17-04:00", "utc": "1990-09-26T16:47:17Z", "ms": 654367637223.499 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-09-27", "window": { "start": { "local": "1990-09-27T11:58:57-04:00", "utc": "1990-09-27T15:58:57Z", "ms": 654451136814.0657 }, "end": { "local": "1990-09-27T12:46:57-04:00", "utc": "1990-09-27T16:46:57Z", "ms": 654454016814.0657 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:56 on Wed 26 Sep to 11:10 on Thu 27 Sep.", "fact": "1990-09-26T12:55:35Z → 1990-09-27T15:10:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 26th, 11:59–12:47 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2930 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Valencia, 1990: Wednesday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-26", "confidence": "boundary" } ], "quote": "In Valencia, Mahāṣṭamī (Durga Ashtami) 1990 falls on Wednesday 26 September. Aṣṭamī runs from 08:56 on Wed 26 Sep to 11:10 on Thu 27 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 538, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1990-09-27T11:10:07-04:00", "utc": "1990-09-27T15:10:07Z", "ms": 654448207218.0948 }, "end": { "local": "1990-09-28T12:55:35-04:00", "utc": "1990-09-28T16:55:35Z", "ms": 654540935072.0137 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-27T11:10:07-04:00", "utc": "1990-09-27T15:10:07Z", "ms": 654448207218.0948 }, "end": { "local": "1990-09-28T12:55:35-04:00", "utc": "1990-09-28T16:55:35Z", "ms": 654540935072.0137 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-09-27", "window": { "start": { "local": "1990-09-27T11:58:57-04:00", "utc": "1990-09-27T15:58:57Z", "ms": 654451136814.0657 }, "end": { "local": "1990-09-27T12:46:57-04:00", "utc": "1990-09-27T16:46:57Z", "ms": 654454016814.0657 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-09-28", "window": { "start": { "local": "1990-09-28T11:58:37-04:00", "utc": "1990-09-28T15:58:37Z", "ms": 654537516599.2161 }, "end": { "local": "1990-09-28T12:46:37-04:00", "utc": "1990-09-28T16:46:37Z", "ms": 654540396599.2161 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:10 on Thu 27 Sep to 12:56 on Fri 28 Sep.", "fact": "1990-09-27T15:10:07Z → 1990-09-28T16:55:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 27th, 11:59–12:47 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 538 s" }, { "step": "ruling", "text": "Mahānavamī, Valencia, 1990: Thursday 27 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-27", "confidence": "boundary" } ], "quote": "In Valencia, Mahānavamī 1990 falls on Thursday 27 September. Navamī runs from 11:10 on Thu 27 Sep to 12:56 on Fri 28 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9733, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1990-09-28T12:55:35-04:00", "utc": "1990-09-28T16:55:35Z", "ms": 654540935072.0137 }, "end": { "local": "1990-09-29T14:00:50-04:00", "utc": "1990-09-29T18:00:50Z", "ms": 654631250416.87 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1990-09-29T09:03:11-04:00", "utc": "1990-09-29T13:03:11Z", "ms": 654613391036.5283 }, "end": { "local": "1990-09-29T14:00:50-04:00", "utc": "1990-09-29T18:00:50Z", "ms": 654631250416.87 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1990-09-29T09:03:11-04:00", "utc": "1990-09-29T13:03:11Z", "ms": 654613391036.5283 }, "end": { "local": "1990-09-30T10:08:03-04:00", "utc": "1990-09-30T14:08:03Z", "ms": 654703682767.0194 } } }, "kaala": "daytime", "days": [ { "local_date": "1990-09-28", "window": { "start": { "local": "1990-09-28T06:21:02-04:00", "utc": "1990-09-28T10:21:02Z", "ms": 654517261546.9614 }, "end": { "local": "1990-09-28T18:24:12-04:00", "utc": "1990-09-28T22:24:12Z", "ms": 654560651651.4707 } }, "covered_min": 0, "window_min": 723, "qualifies": false }, { "local_date": "1990-09-29", "window": { "start": { "local": "1990-09-29T06:20:58-04:00", "utc": "1990-09-29T10:20:58Z", "ms": 654603658187.095 }, "end": { "local": "1990-09-29T18:23:35-04:00", "utc": "1990-09-29T22:23:35Z", "ms": 654647015011.9418 } }, "covered_min": 298, "window_min": 723, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 12:56 on Fri 28 Sep to 14:01 on Sat 29 Sep, and Śravaṇa from 09:03 on Sat 29 Sep to 10:08 on Sun 30 Sep. They are together from 09:03 on Sat 29 Sep to 14:01 on Sat 29 Sep.", "fact": "1990-09-29T13:03:11Z → 1990-09-29T18:00:50Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:21–18:24 on the 28th, 06:21–18:24 on the 29th.", "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 723 minutes on the 28th and 298 of 723 on the 29th.", "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 9733 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Valencia, 1990: Saturday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-29", "confidence": "determinate" } ], "quote": "In Valencia, Vijayā Daśamī (Dussehra) 1990 falls on Saturday 29 September. Daśamī runs from 12:56 on Fri 28 Sep to 14:01 on Sat 29 Sep and is with Śravaṇa in the day time that day, for 298 minutes.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-09-30", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27592, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-09-29T14:00:50-04:00", "utc": "1990-09-29T18:00:50Z", "ms": 654631250416.87 }, "end": { "local": "1990-09-30T14:19:05-04:00", "utc": "1990-09-30T18:19:05Z", "ms": 654718744839.621 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-09-29T14:00:50-04:00", "utc": "1990-09-29T18:00:50Z", "ms": 654631250416.87 }, "end": { "local": "1990-09-30T14:19:05-04:00", "utc": "1990-09-30T18:19:05Z", "ms": 654718744839.621 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-09-29", "window": { "start": { "local": "1990-09-29T06:20:58-04:00", "utc": "1990-09-29T10:20:58Z", "ms": 654603658187.095 }, "end": { "local": "1990-09-29T06:20:58-04:00", "utc": "1990-09-29T10:20:58Z", "ms": 654603658187.095 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-09-30", "window": { "start": { "local": "1990-09-30T06:20:55-04:00", "utc": "1990-09-30T10:20:55Z", "ms": 654690055040.8666 }, "end": { "local": "1990-09-30T06:20:55-04:00", "utc": "1990-09-30T10:20:55Z", "ms": 654690055040.8666 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:01 on Sat 29 Sep to 14:19 on Sun 30 Sep.", "fact": "1990-09-29T18:00:50Z → 1990-09-30T18:19:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 29th and 06:21 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27592 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Valencia, 1990: Sunday 30 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": "1990-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-09-30", "confidence": "determinate" } ], "quote": "In Valencia, Pāśāṅkuśā Ekādaśī 1990 falls on Sunday 30 September. Ekādaśī runs from 14:01 on Sat 29 Sep to 14:19 on Sun 30 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-09-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-10-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16444, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-10-01T13:48:18-04:00", "utc": "1990-10-01T17:48:18Z", "ms": 654803298241.9005 }, "end": { "local": "1990-10-02T12:30:54-04:00", "utc": "1990-10-02T16:30:54Z", "ms": 654885053580.368 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1990-10-01T13:48:18-04:00", "utc": "1990-10-01T17:48:18Z", "ms": 654803298241.9005 }, "end": { "local": "1990-10-02T12:30:54-04:00", "utc": "1990-10-02T16:30:54Z", "ms": 654885053580.368 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-10-01", "window": { "start": { "local": "1990-10-01T18:22:23-04:00", "utc": "1990-10-01T22:22:23Z", "ms": 654819742534.4128 }, "end": { "local": "1990-10-01T19:58:10-04:00", "utc": "1990-10-01T23:58:10Z", "ms": 654825490125.4607 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1990-10-02", "window": { "start": { "local": "1990-10-02T18:21:47-04:00", "utc": "1990-10-02T22:21:47Z", "ms": 654906106745.9906 }, "end": { "local": "1990-10-02T19:57:39-04:00", "utc": "1990-10-02T23:57:39Z", "ms": 654911858790.6064 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:48 on Mon 1 Oct to 12:31 on Tue 2 Oct.", "fact": "1990-10-01T17:48:18Z → 1990-10-02T16:30:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:58 on the 1st, 18:22–19:58 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 96 of 96 minutes on the 1st and 0 of 96 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16444 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Monday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-01", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Monday 1 October. Trayodaśī runs from 13:48 on Mon 1 Oct to 12:31 on Tue 2 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-06", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 5028, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-10-06T22:50:47-04:00", "utc": "1990-10-07T02:50:47Z", "ms": 655267847208.5057 }, "end": { "local": "1990-10-07T19:46:46-04:00", "utc": "1990-10-07T23:46:46Z", "ms": 655343205620.0079 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-06T22:50:47-04:00", "utc": "1990-10-07T02:50:47Z", "ms": 655267847208.5057 }, "end": { "local": "1990-10-07T19:46:46-04:00", "utc": "1990-10-07T23:46:46Z", "ms": 655343205620.0079 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-10-06", "window": { "start": { "local": "1990-10-06T20:12:10-04:00", "utc": "1990-10-07T00:12:10Z", "ms": 655258329630.4373 }, "end": { "local": "1990-10-06T20:12:10-04:00", "utc": "1990-10-07T00:12:10Z", "ms": 655258329630.4373 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-10-07", "window": { "start": { "local": "1990-10-07T21:10:34-04:00", "utc": "1990-10-08T01:10:34Z", "ms": 655348233739.7291 }, "end": { "local": "1990-10-07T21:10:34-04:00", "utc": "1990-10-08T01:10:34Z", "ms": 655348233739.7291 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:51 on Sat 6 Oct to 19:47 on Sun 7 Oct.", "fact": "1990-10-07T02:50:47Z → 1990-10-07T23:46:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:12 on the 6th and 21:11 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 not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 5028 s" }, { "step": "ruling", "text": "Karaka Caturthī, Valencia, 1990: Saturday 6 October.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1990-10-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-06", "confidence": "boundary" } ], "quote": "In Valencia, Karaka Caturthī (Karwa Chauth) 1990 falls on Saturday 6 October. Caturthī runs from 22:51 on Sat 6 Oct to 19:47 on Sun 7 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-10-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-06", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 5028, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-10-06T22:50:47-04:00", "utc": "1990-10-07T02:50:47Z", "ms": 655267847208.5057 }, "end": { "local": "1990-10-07T19:46:46-04:00", "utc": "1990-10-07T23:46:46Z", "ms": 655343205620.0079 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-06T22:50:47-04:00", "utc": "1990-10-07T02:50:47Z", "ms": 655267847208.5057 }, "end": { "local": "1990-10-07T19:46:46-04:00", "utc": "1990-10-07T23:46:46Z", "ms": 655343205620.0079 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-10-06", "window": { "start": { "local": "1990-10-06T20:12:10-04:00", "utc": "1990-10-07T00:12:10Z", "ms": 655258329630.4373 }, "end": { "local": "1990-10-06T20:12:10-04:00", "utc": "1990-10-07T00:12:10Z", "ms": 655258329630.4373 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-10-07", "window": { "start": { "local": "1990-10-07T21:10:34-04:00", "utc": "1990-10-08T01:10:34Z", "ms": 655348233739.7291 }, "end": { "local": "1990-10-07T21:10:34-04:00", "utc": "1990-10-08T01:10:34Z", "ms": 655348233739.7291 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:51 on Sat 6 Oct to 19:47 on Sun 7 Oct.", "fact": "1990-10-07T02:50:47Z → 1990-10-07T23:46:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:12 on the 6th and 21:11 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 not on the 7th.", "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 5028 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Saturday 6 October.", "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": "1990-10-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-06", "confidence": "boundary" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Saturday 6 October. Caturthī runs from 22:51 on Sat 6 Oct to 19:47 on Sun 7 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37782, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1990-10-10T12:23:15-04:00", "utc": "1990-10-10T16:23:15Z", "ms": 655575794506.4739 }, "end": { "local": "1990-10-11T10:46:36-04:00", "utc": "1990-10-11T14:46:36Z", "ms": 655656395986.1543 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-10T12:23:15-04:00", "utc": "1990-10-10T16:23:15Z", "ms": 655575794506.4739 }, "end": { "local": "1990-10-11T10:46:36-04:00", "utc": "1990-10-11T14:46:36Z", "ms": 655656395986.1543 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-10-09", "window": { "start": { "local": "1990-10-09T23:15:21-04:00", "utc": "1990-10-10T03:15:21Z", "ms": 655528520671.7174 }, "end": { "local": "1990-10-09T23:15:21-04:00", "utc": "1990-10-10T03:15:21Z", "ms": 655528520671.7174 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-10-10", "window": { "start": { "local": "1990-10-11T00:16:54-04:00", "utc": "1990-10-11T04:16:54Z", "ms": 655618613611.09 }, "end": { "local": "1990-10-11T00:16:54-04:00", "utc": "1990-10-11T04:16:54Z", "ms": 655618613611.09 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:23 on Wed 10 Oct to 10:47 on Thu 11 Oct.", "fact": "1990-10-10T16:23:15Z → 1990-10-11T14:46:36Z" }, { "step": "kaala", "text": "Moonrise is at 23:15 on the 9th and 00:17 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37782 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Valencia, 1990: Wednesday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-10", "confidence": "determinate" } ], "quote": "In Valencia, Ahoyī Aṣṭamī 1990 falls on Wednesday 10 October. Aṣṭamī runs from 12:23 on Wed 10 Oct to 10:47 on Thu 11 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-10-14", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8490, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-10-13T08:57:17-04:00", "utc": "1990-10-13T12:57:17Z", "ms": 655822637428.885 }, "end": { "local": "1990-10-14T08:42:15-04:00", "utc": "1990-10-14T12:42:15Z", "ms": 655908134889.2976 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-13T08:57:17-04:00", "utc": "1990-10-13T12:57:17Z", "ms": 655822637428.885 }, "end": { "local": "1990-10-14T08:42:15-04:00", "utc": "1990-10-14T12:42:15Z", "ms": 655908134889.2976 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-10-13", "window": { "start": { "local": "1990-10-13T06:20:43-04:00", "utc": "1990-10-13T10:20:43Z", "ms": 655813242974.639 }, "end": { "local": "1990-10-13T06:20:43-04:00", "utc": "1990-10-13T10:20:43Z", "ms": 655813242974.639 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-10-14", "window": { "start": { "local": "1990-10-14T06:20:45-04:00", "utc": "1990-10-14T10:20:45Z", "ms": 655899644955.3431 }, "end": { "local": "1990-10-14T06:20:45-04:00", "utc": "1990-10-14T10:20:45Z", "ms": 655899644955.3431 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:57 on Sat 13 Oct to 08:42 on Sun 14 Oct.", "fact": "1990-10-13T12:57:17Z → 1990-10-14T12:42:15Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 13th and 06:21 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 8490 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Valencia, 1990: Sunday 14 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": "1990-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-14", "confidence": "determinate" } ], "quote": "In Valencia, Ramā Ekādaśī 1990 falls on Sunday 14 October. Ekādaśī runs from 08:57 on Sat 13 Oct to 08:42 on Sun 14 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-10-14", "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/1990/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33794, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1990-10-14T08:42:15-04:00", "utc": "1990-10-14T12:42:15Z", "ms": 655908134889.2976 }, "end": { "local": "1990-10-15T08:51:27-04:00", "utc": "1990-10-15T12:51:27Z", "ms": 655995086928.7819 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-14T08:42:15-04:00", "utc": "1990-10-14T12:42:15Z", "ms": 655908134889.2976 }, "end": { "local": "1990-10-15T08:51:27-04:00", "utc": "1990-10-15T12:51:27Z", "ms": 655995086928.7819 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-10-14", "window": { "start": { "local": "1990-10-14T18:15:11-04:00", "utc": "1990-10-14T22:15:11Z", "ms": 655942510826.7349 }, "end": { "local": "1990-10-14T19:51:56-04:00", "utc": "1990-10-14T23:51:56Z", "ms": 655948315707.2695 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1990-10-15", "window": { "start": { "local": "1990-10-15T18:14:41-04:00", "utc": "1990-10-15T22:14:41Z", "ms": 656028881363.0929 }, "end": { "local": "1990-10-15T19:51:31-04:00", "utc": "1990-10-15T23:51:31Z", "ms": 656034690569.6644 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:42 on Sun 14 Oct to 08:51 on Mon 15 Oct.", "fact": "1990-10-14T12:42:15Z → 1990-10-15T12:51:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:52 on the 14th, 18:15–19:52 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 14th and 0 of 97 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33794 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Valencia, 1990: Sunday 14 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-14", "confidence": "determinate" } ], "quote": "In Valencia, Govatsa Dvādaśī (Vasu Baras) 1990 falls on Sunday 14 October. Dvādaśī runs from 08:42 on Sun 14 Oct to 08:51 on Mon 15 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31827, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-10-15T08:51:27-04:00", "utc": "1990-10-15T12:51:27Z", "ms": 655995086928.7819 }, "end": { "local": "1990-10-16T09:23:45-04:00", "utc": "1990-10-16T13:23:45Z", "ms": 656083425488.6326 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-15T08:51:27-04:00", "utc": "1990-10-15T12:51:27Z", "ms": 655995086928.7819 }, "end": { "local": "1990-10-16T09:23:45-04:00", "utc": "1990-10-16T13:23:45Z", "ms": 656083425488.6326 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-10-15", "window": { "start": { "local": "1990-10-15T18:14:41-04:00", "utc": "1990-10-15T22:14:41Z", "ms": 656028881363.0929 }, "end": { "local": "1990-10-15T19:51:31-04:00", "utc": "1990-10-15T23:51:31Z", "ms": 656034690569.6644 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1990-10-16", "window": { "start": { "local": "1990-10-16T18:14:13-04:00", "utc": "1990-10-16T22:14:13Z", "ms": 656115252540.316 }, "end": { "local": "1990-10-16T19:51:06-04:00", "utc": "1990-10-16T23:51:06Z", "ms": 656121066056.4137 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:51 on Mon 15 Oct to 09:24 on Tue 16 Oct.", "fact": "1990-10-15T12:51:27Z → 1990-10-16T13:23:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:52 on the 15th, 18:14–19:51 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 97 of 97 minutes on the 15th and 0 of 97 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31827 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Valencia, 1990: Monday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-15", "confidence": "determinate" } ], "quote": "In Valencia, Yama Dīpadāna 1990 falls on Monday 15 October. Trayodaśī runs from 08:51 on Mon 15 Oct to 09:24 on Tue 16 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/pradosha-vrata?on=1990-10-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31827, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-10-15T08:51:27-04:00", "utc": "1990-10-15T12:51:27Z", "ms": 655995086928.7819 }, "end": { "local": "1990-10-16T09:23:45-04:00", "utc": "1990-10-16T13:23:45Z", "ms": 656083425488.6326 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-15T08:51:27-04:00", "utc": "1990-10-15T12:51:27Z", "ms": 655995086928.7819 }, "end": { "local": "1990-10-16T09:23:45-04:00", "utc": "1990-10-16T13:23:45Z", "ms": 656083425488.6326 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-10-15", "window": { "start": { "local": "1990-10-15T18:14:41-04:00", "utc": "1990-10-15T22:14:41Z", "ms": 656028881363.0929 }, "end": { "local": "1990-10-15T19:51:31-04:00", "utc": "1990-10-15T23:51:31Z", "ms": 656034690569.6644 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1990-10-16", "window": { "start": { "local": "1990-10-16T18:14:13-04:00", "utc": "1990-10-16T22:14:13Z", "ms": 656115252540.316 }, "end": { "local": "1990-10-16T19:51:06-04:00", "utc": "1990-10-16T23:51:06Z", "ms": 656121066056.4137 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:51 on Mon 15 Oct to 09:24 on Tue 16 Oct.", "fact": "1990-10-15T12:51:27Z → 1990-10-16T13:23:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:52 on the 15th, 18:14–19:51 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 97 of 97 minutes on the 15th and 0 of 97 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 31827 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Monday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-15", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Monday 15 October. Trayodaśī runs from 08:51 on Mon 15 Oct to 09:24 on Tue 16 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-10-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shivaratri?on=1990-10-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31320, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-10-16T09:23:45-04:00", "utc": "1990-10-16T13:23:45Z", "ms": 656083425488.6326 }, "end": { "local": "1990-10-17T10:18:47-04:00", "utc": "1990-10-17T14:18:47Z", "ms": 656173127028.0854 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-16T09:23:45-04:00", "utc": "1990-10-16T13:23:45Z", "ms": 656083425488.6326 }, "end": { "local": "1990-10-17T10:18:47-04:00", "utc": "1990-10-17T14:18:47Z", "ms": 656173127028.0854 } }, "kaala": "nishita", "days": [ { "local_date": "1990-10-15", "window": { "start": { "local": "1990-10-15T23:53:46-04:00", "utc": "1990-10-16T03:53:46Z", "ms": 656049225887.7361 }, "end": { "local": "1990-10-16T00:41:46-04:00", "utc": "1990-10-16T04:41:46Z", "ms": 656052105887.7361 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-10-16", "window": { "start": { "local": "1990-10-16T23:53:33-04:00", "utc": "1990-10-17T03:53:33Z", "ms": 656135613225.6823 }, "end": { "local": "1990-10-17T00:41:33-04:00", "utc": "1990-10-17T04:41:33Z", "ms": 656138493225.6823 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:24 on Tue 16 Oct to 10:19 on Wed 17 Oct.", "fact": "1990-10-16T13:23:45Z → 1990-10-17T14:18:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 15th, 23:54–00:42 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 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31320 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Tuesday 16 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": "1990-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-16", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Tuesday 16 October. Caturdaśī runs from 09:24 on Tue 16 Oct to 10:19 on Wed 17 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-10-16", "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/1990/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10975, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-10-16T09:23:45-04:00", "utc": "1990-10-16T13:23:45Z", "ms": 656083425488.6326 }, "end": { "local": "1990-10-17T10:18:47-04:00", "utc": "1990-10-17T14:18:47Z", "ms": 656173127028.0854 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-16T09:23:45-04:00", "utc": "1990-10-16T13:23:45Z", "ms": 656083425488.6326 }, "end": { "local": "1990-10-17T10:18:47-04:00", "utc": "1990-10-17T14:18:47Z", "ms": 656173127028.0854 } }, "kaala": "arunodaya", "days": [ { "local_date": "1990-10-16", "window": { "start": { "local": "1990-10-16T04:44:01-04:00", "utc": "1990-10-16T08:44:01Z", "ms": 656066641205.8077 }, "end": { "local": "1990-10-16T06:20:50-04:00", "utc": "1990-10-16T10:20:50Z", "ms": 656072450412.3793 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1990-10-17", "window": { "start": { "local": "1990-10-17T04:44:00-04:00", "utc": "1990-10-17T08:44:00Z", "ms": 656153040394.9508 }, "end": { "local": "1990-10-17T06:20:54-04:00", "utc": "1990-10-17T10:20:54Z", "ms": 656158853911.0485 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:24 on Tue 16 Oct to 10:19 on Wed 17 Oct.", "fact": "1990-10-16T13:23:45Z → 1990-10-17T14:18:47Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:44–06:21 on the 16th, 04:44–06:21 on the 17th.", "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 97 minutes on the 16th and 97 of 97 on the 17th.", "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 10975 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Valencia, 1990: Wednesday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-17", "confidence": "determinate" } ], "quote": "In Valencia, Naraka Caturdaśī (Choti Diwali) 1990 falls on Wednesday 17 October. Caturdaśī runs from 09:24 on Tue 16 Oct to 10:19 on Wed 17 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23796, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1990-10-17T10:18:47-04:00", "utc": "1990-10-17T14:18:47Z", "ms": 656173127028.0854 }, "end": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-17T10:18:47-04:00", "utc": "1990-10-17T14:18:47Z", "ms": 656173127028.0854 }, "end": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-10-17", "window": { "start": { "local": "1990-10-17T18:13:44-04:00", "utc": "1990-10-17T22:13:44Z", "ms": 656201624376.5338 }, "end": { "local": "1990-10-17T19:50:42-04:00", "utc": "1990-10-17T23:50:42Z", "ms": 656207442184.5869 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1990-10-18", "window": { "start": { "local": "1990-10-18T18:13:17-04:00", "utc": "1990-10-18T22:13:17Z", "ms": 656287996889.4674 }, "end": { "local": "1990-10-18T19:50:19-04:00", "utc": "1990-10-18T23:50:19Z", "ms": 656293818970.8304 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 10:19 on Wed 17 Oct to 11:37 on Thu 18 Oct.", "fact": "1990-10-17T14:18:47Z → 1990-10-18T15:36:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:51 on the 17th, 18:13–19:50 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 97 of 97 minutes on the 17th and 0 of 97 on the 18th.", "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 23796 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Valencia, 1990: Wednesday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-17", "confidence": "determinate" } ], "quote": "In Valencia, Lakṣmī Pūjā (Diwali) 1990 falls on Wednesday 17 October. Amāvasyā runs from 10:19 on Wed 17 Oct to 11:37 on Thu 18 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34634, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1990-10-17T10:18:47-04:00", "utc": "1990-10-17T14:18:47Z", "ms": 656173127028.0854 }, "end": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-17T10:18:47-04:00", "utc": "1990-10-17T14:18:47Z", "ms": 656173127028.0854 }, "end": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 } }, "kaala": "nishita", "days": [ { "local_date": "1990-10-16", "window": { "start": { "local": "1990-10-16T23:53:33-04:00", "utc": "1990-10-17T03:53:33Z", "ms": 656135613225.6823 }, "end": { "local": "1990-10-17T00:41:33-04:00", "utc": "1990-10-17T04:41:33Z", "ms": 656138493225.6823 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-10-17", "window": { "start": { "local": "1990-10-17T23:53:21-04:00", "utc": "1990-10-18T03:53:21Z", "ms": 656222001156.7329 }, "end": { "local": "1990-10-18T00:41:21-04:00", "utc": "1990-10-18T04:41:21Z", "ms": 656224881156.7329 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 10:19 on Wed 17 Oct to 11:37 on Thu 18 Oct.", "fact": "1990-10-17T14:18:47Z → 1990-10-18T15:36:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 16th, 23:53–00:41 on the 17th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34634 s" }, { "step": "ruling", "text": "Kālī Pūjā, Valencia, 1990: Wednesday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-17", "confidence": "determinate" } ], "quote": "In Valencia, Kālī Pūjā 1990 falls on Wednesday 17 October. Amāvasyā runs from 10:19 on Wed 17 Oct to 11:37 on Thu 18 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 986, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 }, "end": { "local": "1990-10-19T13:17:35-04:00", "utc": "1990-10-19T17:17:35Z", "ms": 656356654815.3018 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 }, "end": { "local": "1990-10-19T13:17:35-04:00", "utc": "1990-10-19T17:17:35Z", "ms": 656356654815.3018 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-10-18", "window": { "start": { "local": "1990-10-18T11:53:07-04:00", "utc": "1990-10-18T15:53:07Z", "ms": 656265187413.1997 }, "end": { "local": "1990-10-18T12:41:07-04:00", "utc": "1990-10-18T16:41:07Z", "ms": 656268067413.1997 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-10-19", "window": { "start": { "local": "1990-10-19T11:52:56-04:00", "utc": "1990-10-19T15:52:56Z", "ms": 656351576298.1156 }, "end": { "local": "1990-10-19T12:40:56-04:00", "utc": "1990-10-19T16:40:56Z", "ms": 656354456298.1156 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:37 on Thu 18 Oct to 13:18 on Fri 19 Oct.", "fact": "1990-10-18T15:36:41Z → 1990-10-19T17:17:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 18th, 11:53–12:41 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 986 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Valencia, 1990: Thursday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-18", "confidence": "determinate" } ], "quote": "In Valencia, Govardhana Pūjā 1990 falls on Thursday 18 October. Pratipadā runs from 11:37 on Thu 18 Oct to 13:18 on Fri 19 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17715, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 }, "end": { "local": "1990-10-19T13:17:35-04:00", "utc": "1990-10-19T17:17:35Z", "ms": 656356654815.3018 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 }, "end": { "local": "1990-10-19T13:17:35-04:00", "utc": "1990-10-19T17:17:35Z", "ms": 656356654815.3018 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-10-18", "window": { "start": { "local": "1990-10-18T18:13:17-04:00", "utc": "1990-10-18T22:13:17Z", "ms": 656287996889.4674 }, "end": { "local": "1990-10-18T19:50:19-04:00", "utc": "1990-10-18T23:50:19Z", "ms": 656293818970.8304 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1990-10-19", "window": { "start": { "local": "1990-10-19T18:12:50-04:00", "utc": "1990-10-19T22:12:50Z", "ms": 656374370096.5414 }, "end": { "local": "1990-10-19T19:49:56-04:00", "utc": "1990-10-19T23:49:56Z", "ms": 656380196431.4768 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:37 on Thu 18 Oct to 13:18 on Fri 19 Oct.", "fact": "1990-10-18T15:36:41Z → 1990-10-19T17:17:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:50 on the 18th, 18:13–19:50 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 97 of 97 minutes on the 18th and 0 of 97 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17715 s" }, { "step": "ruling", "text": "Bali Pūjā, Valencia, 1990: Thursday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-18", "confidence": "determinate" } ], "quote": "In Valencia, Bali Pūjā 1990 falls on Thursday 18 October. Pratipadā runs from 11:37 on Thu 18 Oct to 13:18 on Fri 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4697, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 }, "end": { "local": "1990-10-19T13:17:35-04:00", "utc": "1990-10-19T17:17:35Z", "ms": 656356654815.3018 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-18T11:36:41-04:00", "utc": "1990-10-18T15:36:41Z", "ms": 656264201293.0765 }, "end": { "local": "1990-10-19T13:17:35-04:00", "utc": "1990-10-19T17:17:35Z", "ms": 656356654815.3018 } }, "kaala": "purvahna", "days": [ { "local_date": "1990-10-18", "window": { "start": { "local": "1990-10-18T06:20:58-04:00", "utc": "1990-10-18T10:20:58Z", "ms": 656245257936.9319 }, "end": { "local": "1990-10-18T10:18:24-04:00", "utc": "1990-10-18T14:18:24Z", "ms": 656259504254.4437 } }, "covered_min": 0, "window_min": 237, "qualifies": false }, { "local_date": "1990-10-19", "window": { "start": { "local": "1990-10-19T06:21:02-04:00", "utc": "1990-10-19T10:21:02Z", "ms": 656331662499.6898 }, "end": { "local": "1990-10-19T10:18:18-04:00", "utc": "1990-10-19T14:18:18Z", "ms": 656345898365.307 } }, "covered_min": 237, "window_min": 237, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:37 on Thu 18 Oct to 13:18 on Fri 19 Oct.", "fact": "1990-10-18T15:36:41Z → 1990-10-19T17:17:35Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:21–10:18 on the 18th, 06:21–10:18 on the 19th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 237 minutes on the 18th and 237 of 237 on the 19th.", "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 4697 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Valencia, 1990: Friday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-19", "confidence": "determinate" } ], "quote": "In Valencia, Dyūta Pratipad 1990 falls on Friday 19 October. Pratipadā runs from 11:37 on Thu 18 Oct to 13:18 on Fri 19 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2199, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1990-10-19T13:17:35-04:00", "utc": "1990-10-19T17:17:35Z", "ms": 656356654815.3018 }, "end": { "local": "1990-10-20T15:20:35-04:00", "utc": "1990-10-20T19:20:35Z", "ms": 656450434650.4185 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-19T13:17:35-04:00", "utc": "1990-10-19T17:17:35Z", "ms": 656356654815.3018 }, "end": { "local": "1990-10-20T15:20:35-04:00", "utc": "1990-10-20T19:20:35Z", "ms": 656450434650.4185 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-10-19", "window": { "start": { "local": "1990-10-19T11:52:56-04:00", "utc": "1990-10-19T15:52:56Z", "ms": 656351576298.1156 }, "end": { "local": "1990-10-19T12:40:56-04:00", "utc": "1990-10-19T16:40:56Z", "ms": 656354456298.1156 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-10-20", "window": { "start": { "local": "1990-10-20T11:52:46-04:00", "utc": "1990-10-20T15:52:46Z", "ms": 656437965811.7675 }, "end": { "local": "1990-10-20T12:40:46-04:00", "utc": "1990-10-20T16:40:46Z", "ms": 656440845811.7675 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 13:18 on Fri 19 Oct to 15:21 on Sat 20 Oct.", "fact": "1990-10-19T17:17:35Z → 1990-10-20T19:20:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 19th, 11:53–12:41 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 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2199 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Valencia, 1990: Saturday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-19", "confidence": "determinate" } ], "quote": "In Valencia, Yama Dvitīyā (Bhai Dooj) 1990 falls on Saturday 20 October. Dvitīyā runs from 13:18 on Fri 19 Oct to 15:21 on Sat 20 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18127, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-10-21T17:42:43-04:00", "utc": "1990-10-21T21:42:43Z", "ms": 656545363287.0702 }, "end": { "local": "1990-10-22T20:18:02-04:00", "utc": "1990-10-23T00:18:02Z", "ms": 656641081972.805 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-21T17:42:43-04:00", "utc": "1990-10-21T21:42:43Z", "ms": 656545363287.0702 }, "end": { "local": "1990-10-22T20:18:02-04:00", "utc": "1990-10-23T00:18:02Z", "ms": 656641081972.805 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-10-21", "window": { "start": { "local": "1990-10-21T11:52:36-04:00", "utc": "1990-10-21T15:52:36Z", "ms": 656524355967.1437 }, "end": { "local": "1990-10-21T12:40:36-04:00", "utc": "1990-10-21T16:40:36Z", "ms": 656527235967.1437 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-10-22", "window": { "start": { "local": "1990-10-22T11:52:27-04:00", "utc": "1990-10-22T15:52:27Z", "ms": 656610746777.041 }, "end": { "local": "1990-10-22T12:40:27-04:00", "utc": "1990-10-22T16:40:27Z", "ms": 656613626777.041 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:43 on Sun 21 Oct to 20:18 on Mon 22 Oct.", "fact": "1990-10-21T21:42:43Z → 1990-10-23T00:18:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 21st, 11:52–12:40 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18127 s" }, { "step": "ruling", "text": "Nāga Caturthī, Valencia, 1990: Monday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-22", "confidence": "determinate" } ], "quote": "In Valencia, Nāga Caturthī 1990 falls on Monday 22 October. Caturthī runs from 17:43 on Sun 21 Oct to 20:18 on Mon 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/vinayaka-chaturthi?on=1990-10-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18127, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-10-21T17:42:43-04:00", "utc": "1990-10-21T21:42:43Z", "ms": 656545363287.0702 }, "end": { "local": "1990-10-22T20:18:02-04:00", "utc": "1990-10-23T00:18:02Z", "ms": 656641081972.805 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-21T17:42:43-04:00", "utc": "1990-10-21T21:42:43Z", "ms": 656545363287.0702 }, "end": { "local": "1990-10-22T20:18:02-04:00", "utc": "1990-10-23T00:18:02Z", "ms": 656641081972.805 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-10-21", "window": { "start": { "local": "1990-10-21T11:52:36-04:00", "utc": "1990-10-21T15:52:36Z", "ms": 656524355967.1437 }, "end": { "local": "1990-10-21T12:40:36-04:00", "utc": "1990-10-21T16:40:36Z", "ms": 656527235967.1437 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-10-22", "window": { "start": { "local": "1990-10-22T11:52:27-04:00", "utc": "1990-10-22T15:52:27Z", "ms": 656610746777.041 }, "end": { "local": "1990-10-22T12:40:27-04:00", "utc": "1990-10-22T16:40:27Z", "ms": 656613626777.041 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:43 on Sun 21 Oct to 20:18 on Mon 22 Oct.", "fact": "1990-10-21T21:42:43Z → 1990-10-23T00:18:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 21st, 11:52–12:40 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18127 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Monday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-22", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Monday 22 October. Caturthī runs from 17:43 on Sun 21 Oct to 20:18 on Mon 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37007, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1990-10-23T22:57:05-04:00", "utc": "1990-10-24T02:57:05Z", "ms": 656737025198.0199 }, "end": { "local": "1990-10-25T01:27:28-04:00", "utc": "1990-10-25T05:27:28Z", "ms": 656832448069.9469 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-23T22:57:05-04:00", "utc": "1990-10-24T02:57:05Z", "ms": 656737025198.0199 }, "end": { "local": "1990-10-25T01:27:28-04:00", "utc": "1990-10-25T05:27:28Z", "ms": 656832448069.9469 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-10-23", "window": { "start": { "local": "1990-10-23T11:52:18-04:00", "utc": "1990-10-23T15:52:18Z", "ms": 656697138254.0918 }, "end": { "local": "1990-10-23T12:40:18-04:00", "utc": "1990-10-23T16:40:18Z", "ms": 656700018254.0918 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-10-24", "window": { "start": { "local": "1990-10-24T11:52:10-04:00", "utc": "1990-10-24T15:52:10Z", "ms": 656783530410.7769 }, "end": { "local": "1990-10-24T12:40:10-04:00", "utc": "1990-10-24T16:40:10Z", "ms": 656786410410.7769 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:57 on Tue 23 Oct to 01:27 on Thu 25 Oct.", "fact": "1990-10-24T02:57:05Z → 1990-10-25T05:27:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 23rd, 11:52–12:40 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37007 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Valencia, 1990: Wednesday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-24", "confidence": "determinate" } ], "quote": "In Valencia, Sūrya Ṣaṣṭhī (Chhath) 1990 falls on Wednesday 24 October. Ṣaṣṭhī runs from 22:57 on Tue 23 Oct to 01:27 on Thu 25 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24284, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1990-10-26T03:35:14-04:00", "utc": "1990-10-26T07:35:14Z", "ms": 656926514359.4998 }, "end": { "local": "1990-10-27T05:07:07-04:00", "utc": "1990-10-27T09:07:07Z", "ms": 657018427428.284 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-26T03:35:14-04:00", "utc": "1990-10-26T07:35:14Z", "ms": 656926514359.4998 }, "end": { "local": "1990-10-27T05:07:07-04:00", "utc": "1990-10-27T09:07:07Z", "ms": 657018427428.284 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-10-26", "window": { "start": { "local": "1990-10-26T11:51:57-04:00", "utc": "1990-10-26T15:51:57Z", "ms": 656956316812.3011 }, "end": { "local": "1990-10-26T12:39:57-04:00", "utc": "1990-10-26T16:39:57Z", "ms": 656959196812.3011 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-10-27", "window": { "start": { "local": "1990-10-27T11:51:51-04:00", "utc": "1990-10-27T15:51:51Z", "ms": 657042711081.5187 }, "end": { "local": "1990-10-27T12:39:51-04:00", "utc": "1990-10-27T16:39:51Z", "ms": 657045591081.5187 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:35 on Fri 26 Oct to 05:07 on Sat 27 Oct.", "fact": "1990-10-26T07:35:14Z → 1990-10-27T09:07:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 26th, 11:52–12:40 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24284 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Valencia, 1990: Friday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-26", "confidence": "determinate" } ], "quote": "In Valencia, Gopāṣṭamī 1990 falls on Friday 26 October. Aṣṭamī runs from 03:35 on Fri 26 Oct to 05:07 on Sat 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1766, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1990-10-27T05:07:07-04:00", "utc": "1990-10-27T09:07:07Z", "ms": 657018427428.284 }, "end": { "local": "1990-10-28T05:52:43-04:00", "utc": "1990-10-28T09:52:43Z", "ms": 657107563416.1548 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-27T05:07:07-04:00", "utc": "1990-10-27T09:07:07Z", "ms": 657018427428.284 }, "end": { "local": "1990-10-28T05:52:43-04:00", "utc": "1990-10-28T09:52:43Z", "ms": 657107563416.1548 } }, "kaala": "purvahna", "days": [ { "local_date": "1990-10-27", "window": { "start": { "local": "1990-10-27T06:21:59-04:00", "utc": "1990-10-27T10:21:59Z", "ms": 657022919375.2432 }, "end": { "local": "1990-10-27T10:17:54-04:00", "utc": "1990-10-27T14:17:54Z", "ms": 657037073846.0935 } }, "covered_min": 236, "window_min": 236, "qualifies": true }, { "local_date": "1990-10-28", "window": { "start": { "local": "1990-10-28T06:22:09-04:00", "utc": "1990-10-28T10:22:09Z", "ms": 657109329151.9213 }, "end": { "local": "1990-10-28T10:17:54-04:00", "utc": "1990-10-28T14:17:54Z", "ms": 657123473770.1453 } }, "covered_min": 0, "window_min": 236, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:07 on Sat 27 Oct to 05:53 on Sun 28 Oct.", "fact": "1990-10-27T09:07:07Z → 1990-10-28T09:52:43Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:22–10:18 on the 27th, 06:22–10:18 on the 28th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 236 of 236 minutes on the 27th and 0 of 236 on the 28th.", "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 1766 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Valencia, 1990: Saturday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-27", "confidence": "determinate" } ], "quote": "In Valencia, Akṣaya Navamī (Amla Navami) 1990 falls on Saturday 27 October. Navamī runs from 05:07 on Sat 27 Oct to 05:53 on Sun 28 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21543, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1990-10-27T05:07:07-04:00", "utc": "1990-10-27T09:07:07Z", "ms": 657018427428.284 }, "end": { "local": "1990-10-28T05:52:43-04:00", "utc": "1990-10-28T09:52:43Z", "ms": 657107563416.1548 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-27T05:07:07-04:00", "utc": "1990-10-27T09:07:07Z", "ms": 657018427428.284 }, "end": { "local": "1990-10-28T05:52:43-04:00", "utc": "1990-10-28T09:52:43Z", "ms": 657107563416.1548 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-10-27", "window": { "start": { "local": "1990-10-27T11:51:51-04:00", "utc": "1990-10-27T15:51:51Z", "ms": 657042711081.5187 }, "end": { "local": "1990-10-27T12:39:51-04:00", "utc": "1990-10-27T16:39:51Z", "ms": 657045591081.5187 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-10-28", "window": { "start": { "local": "1990-10-28T11:51:46-04:00", "utc": "1990-10-28T15:51:46Z", "ms": 657129106079.2573 }, "end": { "local": "1990-10-28T12:39:46-04:00", "utc": "1990-10-28T16:39:46Z", "ms": 657131986079.2573 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:07 on Sat 27 Oct to 05:53 on Sun 28 Oct.", "fact": "1990-10-27T09:07:07Z → 1990-10-28T09:52:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 27th, 11:52–12:40 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21543 s" }, { "step": "ruling", "text": "Durgā Navamī, Valencia, 1990: Saturday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-27", "confidence": "determinate" } ], "quote": "In Valencia, Durgā Navamī 1990 falls on Saturday 27 October. Navamī runs from 05:07 on Sat 27 Oct to 05:53 on Sun 28 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-10-29", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2176, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-10-29T05:46:04-04:00", "utc": "1990-10-29T09:46:04Z", "ms": 657193563823.1327 }, "end": { "local": "1990-10-30T04:46:06-04:00", "utc": "1990-10-30T08:46:06Z", "ms": 657276365701.5726 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-29T05:46:04-04:00", "utc": "1990-10-29T09:46:04Z", "ms": 657193563823.1327 }, "end": { "local": "1990-10-30T04:46:06-04:00", "utc": "1990-10-30T08:46:06Z", "ms": 657276365701.5726 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-10-29", "window": { "start": { "local": "1990-10-29T06:22:20-04:00", "utc": "1990-10-29T10:22:20Z", "ms": 657195739546.6685 }, "end": { "local": "1990-10-29T06:22:20-04:00", "utc": "1990-10-29T10:22:20Z", "ms": 657195739546.6685 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-10-30", "window": { "start": { "local": "1990-10-30T06:22:31-04:00", "utc": "1990-10-30T10:22:31Z", "ms": 657282150567.2097 }, "end": { "local": "1990-10-30T06:22:31-04:00", "utc": "1990-10-30T10:22:31Z", "ms": 657282150567.2097 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:46 on Mon 29 Oct to 04:46 on Tue 30 Oct.", "fact": "1990-10-29T09:46:04Z → 1990-10-30T08:46:06Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 29th and 06:23 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2176 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Valencia, 1990: Monday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-29", "confidence": "determinate" } ], "quote": "In Valencia, Prabodhinī Ekādaśī 1990 falls on Monday 29 October. Ekādaśī runs from 05:46 on Mon 29 Oct to 04:46 on Tue 30 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-10-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-10-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16628, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-10-31T02:56:16-04:00", "utc": "1990-10-31T06:56:16Z", "ms": 657356175851.9945 }, "end": { "local": "1990-11-01T00:23:32-04:00", "utc": "1990-11-01T04:23:32Z", "ms": 657433412352.604 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-10-31T02:56:16-04:00", "utc": "1990-10-31T06:56:16Z", "ms": 657356175851.9945 }, "end": { "local": "1990-11-01T00:23:32-04:00", "utc": "1990-11-01T04:23:32Z", "ms": 657433412352.604 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-10-30", "window": { "start": { "local": "1990-10-30T18:08:46-04:00", "utc": "1990-10-30T22:08:46Z", "ms": 657324526052.3467 }, "end": { "local": "1990-10-30T19:46:38-04:00", "utc": "1990-10-30T23:46:38Z", "ms": 657330397541.5879 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1990-10-31", "window": { "start": { "local": "1990-10-31T18:08:29-04:00", "utc": "1990-10-31T22:08:29Z", "ms": 657410908914.5894 }, "end": { "local": "1990-10-31T19:46:24-04:00", "utc": "1990-10-31T23:46:24Z", "ms": 657416784328.4579 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:56 on Wed 31 Oct to 00:24 on Thu 1 Nov.", "fact": "1990-10-31T06:56:16Z → 1990-11-01T04:23:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:47 on the 30th, 18:08–19:46 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 98 minutes on the 30th and 98 of 98 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 16628 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Wednesday 31 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": "1990-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-10-31", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Wednesday 31 October. Trayodaśī runs from 02:56 on Wed 31 Oct to 00:24 on Thu 1 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9263, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-11-01T21:17:17-04:00", "utc": "1990-11-02T01:17:17Z", "ms": 657508637452.9213 }, "end": { "local": "1990-11-02T17:48:17-04:00", "utc": "1990-11-02T21:48:17Z", "ms": 657582497061.1998 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-11-01T21:17:17-04:00", "utc": "1990-11-02T01:17:17Z", "ms": 657508637452.9213 }, "end": { "local": "1990-11-02T17:48:17-04:00", "utc": "1990-11-02T21:48:17Z", "ms": 657582497061.1998 } }, "kaala": "nishita", "days": [ { "local_date": "1990-11-01", "window": { "start": { "local": "1990-11-01T23:51:40-04:00", "utc": "1990-11-02T03:51:40Z", "ms": 657517900080.5065 }, "end": { "local": "1990-11-02T00:39:40-04:00", "utc": "1990-11-02T04:39:40Z", "ms": 657520780080.5065 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-11-02", "window": { "start": { "local": "1990-11-02T23:51:39-04:00", "utc": "1990-11-03T03:51:39Z", "ms": 657604299242.4802 }, "end": { "local": "1990-11-03T00:39:39-04:00", "utc": "1990-11-03T04:39:39Z", "ms": 657607179242.4802 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:17 on Thu 1 Nov to 17:48 on Fri 2 Nov.", "fact": "1990-11-02T01:17:17Z → 1990-11-02T21:48:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 1st, 23:52–00:40 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9263 s" }, { "step": "ruling", "text": "Rāsayātrā, Valencia, 1990: Thursday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-01", "confidence": "determinate" } ], "quote": "In Valencia, Rāsayātrā 1990 falls on Thursday 1 November. Pūrṇimā runs from 21:17 on Thu 1 Nov to 17:48 on Fri 2 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18525, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-11-01T21:17:17-04:00", "utc": "1990-11-02T01:17:17Z", "ms": 657508637452.9213 }, "end": { "local": "1990-11-02T17:48:17-04:00", "utc": "1990-11-02T21:48:17Z", "ms": 657582497061.1998 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1990-11-01T21:17:17-04:00", "utc": "1990-11-02T01:17:17Z", "ms": 657508637452.9213 }, "end": { "local": "1990-11-02T17:48:17-04:00", "utc": "1990-11-02T21:48:17Z", "ms": 657582497061.1998 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-11-01", "window": { "start": { "local": "1990-11-01T11:51:34-04:00", "utc": "1990-11-01T15:51:34Z", "ms": 657474693606.3074 }, "end": { "local": "1990-11-01T12:39:34-04:00", "utc": "1990-11-01T16:39:34Z", "ms": 657477573606.3074 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-11-02", "window": { "start": { "local": "1990-11-02T11:51:32-04:00", "utc": "1990-11-02T15:51:32Z", "ms": 657561092438.0743 }, "end": { "local": "1990-11-02T12:39:32-04:00", "utc": "1990-11-02T16:39:32Z", "ms": 657563972438.0743 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:17 on Thu 1 Nov to 17:48 on Fri 2 Nov.", "fact": "1990-11-02T01:17:17Z → 1990-11-02T21:48:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 1st, 11:52–12:40 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 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18525 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Valencia, 1990: Friday 2 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": "1990-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-02", "confidence": "determinate" } ], "quote": "In Valencia, Kārtikī Pūrṇimā 1990 falls on Friday 2 November. Pūrṇimā runs from 21:17 on Thu 1 Nov to 17:48 on Fri 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-11-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24300, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-11-05T06:57:27-04:00", "utc": "1990-11-05T10:57:27Z", "ms": 657802646956.2473 }, "end": { "local": "1990-11-06T03:47:50-04:00", "utc": "1990-11-06T07:47:50Z", "ms": 657877670363.7352 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-05T06:57:27-04:00", "utc": "1990-11-05T10:57:27Z", "ms": 657802646956.2473 }, "end": { "local": "1990-11-06T03:47:50-04:00", "utc": "1990-11-06T07:47:50Z", "ms": 657877670363.7352 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-11-04", "window": { "start": { "local": "1990-11-04T19:57:36-04:00", "utc": "1990-11-04T23:57:36Z", "ms": 657763055572.8268 }, "end": { "local": "1990-11-04T19:57:36-04:00", "utc": "1990-11-04T23:57:36Z", "ms": 657763055572.8268 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-11-05", "window": { "start": { "local": "1990-11-05T21:02:51-04:00", "utc": "1990-11-06T01:02:51Z", "ms": 657853370500.8986 }, "end": { "local": "1990-11-05T21:02:51-04:00", "utc": "1990-11-06T01:02:51Z", "ms": 657853370500.8986 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:57 on Mon 5 Nov to 03:48 on Tue 6 Nov.", "fact": "1990-11-05T10:57:27Z → 1990-11-06T07:47:50Z" }, { "step": "kaala", "text": "Moonrise is at 19:58 on the 4th and 21:03 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24300 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Monday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-05", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Monday 5 November. Caturthī runs from 06:57 on Mon 5 Nov to 03:48 on Tue 6 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/ekadashi?on=1990-11-12", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31142, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-11-11T20:53:40-04:00", "utc": "1990-11-12T00:53:40Z", "ms": 658371219772.261 }, "end": { "local": "1990-11-12T21:47:12-04:00", "utc": "1990-11-13T01:47:12Z", "ms": 658460832048.6173 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-11T20:53:40-04:00", "utc": "1990-11-12T00:53:40Z", "ms": 658371219772.261 }, "end": { "local": "1990-11-12T21:47:12-04:00", "utc": "1990-11-13T01:47:12Z", "ms": 658460832048.6173 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-11-12", "window": { "start": { "local": "1990-11-12T06:25:54-04:00", "utc": "1990-11-12T10:25:54Z", "ms": 658405554144.7814 }, "end": { "local": "1990-11-12T06:25:54-04:00", "utc": "1990-11-12T10:25:54Z", "ms": 658405554144.7814 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-11-13", "window": { "start": { "local": "1990-11-13T06:26:15-04:00", "utc": "1990-11-13T10:26:15Z", "ms": 658491974542.7968 }, "end": { "local": "1990-11-13T06:26:15-04:00", "utc": "1990-11-13T10:26:15Z", "ms": 658491974542.7968 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:54 on Sun 11 Nov to 21:47 on Mon 12 Nov.", "fact": "1990-11-12T00:53:40Z → 1990-11-13T01:47:12Z" }, { "step": "kaala", "text": "Sunrise is at 06:26 on the 12th and 06:26 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31142 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Valencia, 1990: Monday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-12", "confidence": "determinate" } ], "quote": "In Valencia, Utpannā Ekādaśī 1990 falls on Monday 12 November. Ekādaśī runs from 20:54 on Sun 11 Nov to 21:47 on Mon 12 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-11-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12102, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-11-13T23:06:41-04:00", "utc": "1990-11-14T03:06:41Z", "ms": 658552000597.5243 }, "end": { "local": "1990-11-15T00:48:09-04:00", "utc": "1990-11-15T04:48:09Z", "ms": 658644488532.7517 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-13T23:06:41-04:00", "utc": "1990-11-14T03:06:41Z", "ms": 658552000597.5243 }, "end": { "local": "1990-11-15T00:48:09-04:00", "utc": "1990-11-15T04:48:09Z", "ms": 658644488532.7517 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-11-13", "window": { "start": { "local": "1990-11-13T18:06:16-04:00", "utc": "1990-11-13T22:06:16Z", "ms": 658533975615.5544 }, "end": { "local": "1990-11-13T19:44:58-04:00", "utc": "1990-11-13T23:44:58Z", "ms": 658539898279.6163 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1990-11-14", "window": { "start": { "local": "1990-11-14T18:06:13-04:00", "utc": "1990-11-14T22:06:13Z", "ms": 658620372672.4261 }, "end": { "local": "1990-11-14T19:44:59-04:00", "utc": "1990-11-14T23:44:59Z", "ms": 658626298621.8647 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:07 on Tue 13 Nov to 00:48 on Thu 15 Nov.", "fact": "1990-11-14T03:06:41Z → 1990-11-15T04:48:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:45 on the 13th, 18:06–19:45 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 13th and 99 of 99 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 12102 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Wednesday 14 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": "1990-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-14", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Wednesday 14 November. Trayodaśī runs from 23:07 on Tue 13 Nov to 00:48 on Thu 15 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-11-14", "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/1990/shivaratri?on=1990-11-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 454, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-11-15T00:48:09-04:00", "utc": "1990-11-15T04:48:09Z", "ms": 658644488532.7517 }, "end": { "local": "1990-11-16T02:48:22-04:00", "utc": "1990-11-16T06:48:22Z", "ms": 658738102000.8453 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-15T00:48:09-04:00", "utc": "1990-11-15T04:48:09Z", "ms": 658644488532.7517 }, "end": { "local": "1990-11-16T02:48:22-04:00", "utc": "1990-11-16T06:48:22Z", "ms": 658738102000.8453 } }, "kaala": "nishita", "days": [ { "local_date": "1990-11-14", "window": { "start": { "local": "1990-11-14T23:52:35-04:00", "utc": "1990-11-15T03:52:35Z", "ms": 658641154982.8208 }, "end": { "local": "1990-11-15T00:40:35-04:00", "utc": "1990-11-15T04:40:35Z", "ms": 658644034982.8208 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-11-15", "window": { "start": { "local": "1990-11-15T23:52:45-04:00", "utc": "1990-11-16T03:52:45Z", "ms": 658727565212.1458 }, "end": { "local": "1990-11-16T00:40:45-04:00", "utc": "1990-11-16T04:40:45Z", "ms": 658730445212.1458 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:48 on Thu 15 Nov to 02:48 on Fri 16 Nov.", "fact": "1990-11-15T04:48:09Z → 1990-11-16T06:48:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 14th, 23:53–00:41 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 454 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Thursday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-15", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Thursday 15 November. Caturdaśī runs from 00:48 on Thu 15 Nov to 02:48 on Fri 16 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-11-15", "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/1990/vinayaka-chaturthi?on=1990-11-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 667, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-11-20T12:52:44-04:00", "utc": "1990-11-20T16:52:44Z", "ms": 659119963673.518 }, "end": { "local": "1990-11-21T15:28:03-04:00", "utc": "1990-11-21T19:28:03Z", "ms": 659215683183.1089 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-20T12:52:44-04:00", "utc": "1990-11-20T16:52:44Z", "ms": 659119963673.518 }, "end": { "local": "1990-11-21T15:28:03-04:00", "utc": "1990-11-21T19:28:03Z", "ms": 659215683183.1089 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-11-20", "window": { "start": { "local": "1990-11-20T11:53:36-04:00", "utc": "1990-11-20T15:53:36Z", "ms": 659116416229.0249 }, "end": { "local": "1990-11-20T12:41:36-04:00", "utc": "1990-11-20T16:41:36Z", "ms": 659119296229.0249 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-11-21", "window": { "start": { "local": "1990-11-21T11:53:51-04:00", "utc": "1990-11-21T15:53:51Z", "ms": 659202831118.9097 }, "end": { "local": "1990-11-21T12:41:51-04:00", "utc": "1990-11-21T16:41:51Z", "ms": 659205711118.9097 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:53 on Tue 20 Nov to 15:28 on Wed 21 Nov.", "fact": "1990-11-20T16:52:44Z → 1990-11-21T19:28:03Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 667 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Wednesday 21 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": "1990-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-21", "confidence": "boundary" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Wednesday 21 November. Caturthī runs from 12:53 on Tue 20 Nov to 15:28 on Wed 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-11-21", "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/1990/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9972, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1990-11-21T15:28:03-04:00", "utc": "1990-11-21T19:28:03Z", "ms": 659215683183.1089 }, "end": { "local": "1990-11-22T17:47:18-04:00", "utc": "1990-11-22T21:47:18Z", "ms": 659310438152.2098 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-21T15:28:03-04:00", "utc": "1990-11-21T19:28:03Z", "ms": 659215683183.1089 }, "end": { "local": "1990-11-22T17:47:18-04:00", "utc": "1990-11-22T21:47:18Z", "ms": 659310438152.2098 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-11-21", "window": { "start": { "local": "1990-11-21T11:53:51-04:00", "utc": "1990-11-21T15:53:51Z", "ms": 659202831118.9097 }, "end": { "local": "1990-11-21T12:41:51-04:00", "utc": "1990-11-21T16:41:51Z", "ms": 659205711118.9097 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-11-22", "window": { "start": { "local": "1990-11-22T11:54:07-04:00", "utc": "1990-11-22T15:54:07Z", "ms": 659289246799.1409 }, "end": { "local": "1990-11-22T12:42:07-04:00", "utc": "1990-11-22T16:42:07Z", "ms": 659292126799.1409 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:28 on Wed 21 Nov to 17:47 on Thu 22 Nov.", "fact": "1990-11-21T19:28:03Z → 1990-11-22T21:47:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 21st, 11:54–12:42 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9972 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Valencia, 1990: Thursday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-22", "confidence": "determinate" } ], "quote": "In Valencia, Nāga Pañcamī (Mārgaśīrṣa) 1990 falls on Thursday 22 November. Pañcamī runs from 15:28 on Wed 21 Nov to 17:47 on Thu 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18311, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1990-11-22T17:47:18-04:00", "utc": "1990-11-22T21:47:18Z", "ms": 659310438152.2098 }, "end": { "local": "1990-11-23T19:38:57-04:00", "utc": "1990-11-23T23:38:57Z", "ms": 659403537030.137 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-22T17:47:18-04:00", "utc": "1990-11-22T21:47:18Z", "ms": 659310438152.2098 }, "end": { "local": "1990-11-23T19:38:57-04:00", "utc": "1990-11-23T23:38:57Z", "ms": 659403537030.137 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-11-22", "window": { "start": { "local": "1990-11-22T11:54:07-04:00", "utc": "1990-11-22T15:54:07Z", "ms": 659289246799.1409 }, "end": { "local": "1990-11-22T12:42:07-04:00", "utc": "1990-11-22T16:42:07Z", "ms": 659292126799.1409 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-11-23", "window": { "start": { "local": "1990-11-23T11:54:23-04:00", "utc": "1990-11-23T15:54:23Z", "ms": 659375663256.2133 }, "end": { "local": "1990-11-23T12:42:23-04:00", "utc": "1990-11-23T16:42:23Z", "ms": 659378543256.2133 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:47 on Thu 22 Nov to 19:39 on Fri 23 Nov.", "fact": "1990-11-22T21:47:18Z → 1990-11-23T23:38:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 22nd, 11:54–12:42 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18311 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Valencia, 1990: Friday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-23", "confidence": "determinate" } ], "quote": "In Valencia, Campā Ṣaṣṭhī 1990 falls on Friday 23 November. Ṣaṣṭhī runs from 17:47 on Thu 22 Nov to 19:39 on Fri 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18311, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1990-11-22T17:47:18-04:00", "utc": "1990-11-22T21:47:18Z", "ms": 659310438152.2098 }, "end": { "local": "1990-11-23T19:38:57-04:00", "utc": "1990-11-23T23:38:57Z", "ms": 659403537030.137 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-22T17:47:18-04:00", "utc": "1990-11-22T21:47:18Z", "ms": 659310438152.2098 }, "end": { "local": "1990-11-23T19:38:57-04:00", "utc": "1990-11-23T23:38:57Z", "ms": 659403537030.137 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-11-22", "window": { "start": { "local": "1990-11-22T11:54:07-04:00", "utc": "1990-11-22T15:54:07Z", "ms": 659289246799.1409 }, "end": { "local": "1990-11-22T12:42:07-04:00", "utc": "1990-11-22T16:42:07Z", "ms": 659292126799.1409 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-11-23", "window": { "start": { "local": "1990-11-23T11:54:23-04:00", "utc": "1990-11-23T15:54:23Z", "ms": 659375663256.2133 }, "end": { "local": "1990-11-23T12:42:23-04:00", "utc": "1990-11-23T16:42:23Z", "ms": 659378543256.2133 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:47 on Thu 22 Nov to 19:39 on Fri 23 Nov.", "fact": "1990-11-22T21:47:18Z → 1990-11-23T23:38:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 22nd, 11:54–12:42 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18311 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Valencia, 1990: Friday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-23", "confidence": "determinate" } ], "quote": "In Valencia, Skanda Ṣaṣṭhī 1990 falls on Friday 23 November. Ṣaṣṭhī runs from 17:47 on Thu 22 Nov to 19:39 on Fri 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24994, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1990-11-23T19:38:57-04:00", "utc": "1990-11-23T23:38:57Z", "ms": 659403537030.137 }, "end": { "local": "1990-11-24T20:52:08-04:00", "utc": "1990-11-25T00:52:08Z", "ms": 659494327600.698 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-23T19:38:57-04:00", "utc": "1990-11-23T23:38:57Z", "ms": 659403537030.137 }, "end": { "local": "1990-11-24T20:52:08-04:00", "utc": "1990-11-25T00:52:08Z", "ms": 659494327600.698 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-11-23", "window": { "start": { "local": "1990-11-23T11:54:23-04:00", "utc": "1990-11-23T15:54:23Z", "ms": 659375663256.2133 }, "end": { "local": "1990-11-23T12:42:23-04:00", "utc": "1990-11-23T16:42:23Z", "ms": 659378543256.2133 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-11-24", "window": { "start": { "local": "1990-11-24T11:54:40-04:00", "utc": "1990-11-24T15:54:40Z", "ms": 659462080475.9038 }, "end": { "local": "1990-11-24T12:42:40-04:00", "utc": "1990-11-24T16:42:40Z", "ms": 659464960475.9038 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:39 on Fri 23 Nov to 20:52 on Sat 24 Nov.", "fact": "1990-11-23T23:38:57Z → 1990-11-25T00:52:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 23rd, 11:55–12:43 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24994 s" }, { "step": "ruling", "text": "Mitra Saptamī, Valencia, 1990: Saturday 24 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-24", "confidence": "determinate" } ], "quote": "In Valencia, Mitra Saptamī 1990 falls on Saturday 24 November. Saptamī runs from 19:39 on Fri 23 Nov to 20:52 on Sat 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/ekadashi?on=1990-11-28", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39402, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-11-27T19:35:49-04:00", "utc": "1990-11-27T23:35:49Z", "ms": 659748948619.514 }, "end": { "local": "1990-11-28T17:30:09-04:00", "utc": "1990-11-28T21:30:09Z", "ms": 659827808784.6313 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-27T19:35:49-04:00", "utc": "1990-11-27T23:35:49Z", "ms": 659748948619.514 }, "end": { "local": "1990-11-28T17:30:09-04:00", "utc": "1990-11-28T21:30:09Z", "ms": 659827808784.6313 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-11-28", "window": { "start": { "local": "1990-11-28T06:32:31-04:00", "utc": "1990-11-28T10:32:31Z", "ms": 659788350696.7682 }, "end": { "local": "1990-11-28T06:32:31-04:00", "utc": "1990-11-28T10:32:31Z", "ms": 659788350696.7682 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-11-29", "window": { "start": { "local": "1990-11-29T06:33:00-04:00", "utc": "1990-11-29T10:33:00Z", "ms": 659874779614.8766 }, "end": { "local": "1990-11-29T06:33:00-04:00", "utc": "1990-11-29T10:33:00Z", "ms": 659874779614.8766 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:36 on Tue 27 Nov to 17:30 on Wed 28 Nov.", "fact": "1990-11-27T23:35:49Z → 1990-11-28T21:30:09Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 28th and 06:33 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39402 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Valencia, 1990: Wednesday 28 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": "1990-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-28", "confidence": "determinate" } ], "quote": "In Valencia, Mokṣadā Ekādaśī 1990 falls on Wednesday 28 November. Ekādaśī runs from 19:36 on Tue 27 Nov to 17:30 on Wed 28 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-11-28", "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/1990/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7119, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1990-11-28T17:30:09-04:00", "utc": "1990-11-28T21:30:09Z", "ms": 659827808784.6313 }, "end": { "local": "1990-11-29T14:42:56-04:00", "utc": "1990-11-29T18:42:56Z", "ms": 659904176281.5013 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-28T17:30:09-04:00", "utc": "1990-11-28T21:30:09Z", "ms": 659827808784.6313 }, "end": { "local": "1990-11-29T14:42:56-04:00", "utc": "1990-11-29T18:42:56Z", "ms": 659904176281.5013 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-11-28", "window": { "start": { "local": "1990-11-28T11:55:57-04:00", "utc": "1990-11-28T15:55:57Z", "ms": 659807756678.1945 }, "end": { "local": "1990-11-28T12:43:57-04:00", "utc": "1990-11-28T16:43:57Z", "ms": 659810636678.1945 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1990-11-29", "window": { "start": { "local": "1990-11-29T11:56:17-04:00", "utc": "1990-11-29T15:56:17Z", "ms": 659894177481.8997 }, "end": { "local": "1990-11-29T12:44:17-04:00", "utc": "1990-11-29T16:44:17Z", "ms": 659897057481.8997 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:30 on Wed 28 Nov to 14:43 on Thu 29 Nov.", "fact": "1990-11-28T21:30:09Z → 1990-11-29T18:42:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 28th, 11:56–12:44 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7119 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Valencia, 1990: Thursday 29 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-29", "confidence": "determinate" } ], "quote": "In Valencia, Akhaṇḍa Dvādaśī 1990 falls on Thursday 29 November. Dvādaśī runs from 17:30 on Wed 28 Nov to 14:43 on Thu 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/pradosha-vrata?on=1990-11-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12279, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-11-29T14:42:56-04:00", "utc": "1990-11-29T18:42:56Z", "ms": 659904176281.5013 }, "end": { "local": "1990-11-30T11:23:19-04:00", "utc": "1990-11-30T15:23:19Z", "ms": 659978598710.2668 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-11-29T14:42:56-04:00", "utc": "1990-11-29T18:42:56Z", "ms": 659904176281.5013 }, "end": { "local": "1990-11-30T11:23:19-04:00", "utc": "1990-11-30T15:23:19Z", "ms": 659978598710.2668 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-11-29", "window": { "start": { "local": "1990-11-29T18:07:35-04:00", "utc": "1990-11-29T22:07:35Z", "ms": 659916455348.9229 }, "end": { "local": "1990-11-29T19:47:02-04:00", "utc": "1990-11-29T23:47:02Z", "ms": 659922422488.4124 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1990-11-30", "window": { "start": { "local": "1990-11-30T18:07:49-04:00", "utc": "1990-11-30T22:07:49Z", "ms": 660002869016.6593 }, "end": { "local": "1990-11-30T19:47:18-04:00", "utc": "1990-11-30T23:47:18Z", "ms": 660008838283.3108 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:43 on Thu 29 Nov to 11:23 on Fri 30 Nov.", "fact": "1990-11-29T18:42:56Z → 1990-11-30T15:23:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:47 on the 29th, 18:08–19:47 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 99 of 99 minutes on the 29th and 0 of 99 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 12279 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Thursday 29 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-11-29", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Thursday 29 November. Trayodaśī runs from 14:43 on Thu 29 Nov to 11:23 on Fri 30 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-11-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28925, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1990-12-01T07:41:48-04:00", "utc": "1990-12-01T11:41:48Z", "ms": 660051708478.8083 }, "end": { "local": "1990-12-02T03:49:40-04:00", "utc": "1990-12-02T07:49:40Z", "ms": 660124179874.4873 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-12-01T07:41:48-04:00", "utc": "1990-12-01T11:41:48Z", "ms": 660051708478.8083 }, "end": { "local": "1990-12-02T03:49:40-04:00", "utc": "1990-12-02T07:49:40Z", "ms": 660124179874.4873 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-11-30", "window": { "start": { "local": "1990-11-30T18:07:49-04:00", "utc": "1990-11-30T22:07:49Z", "ms": 660002869016.6593 }, "end": { "local": "1990-11-30T19:47:18-04:00", "utc": "1990-11-30T23:47:18Z", "ms": 660008838283.3108 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1990-12-01", "window": { "start": { "local": "1990-12-01T18:08:04-04:00", "utc": "1990-12-01T22:08:04Z", "ms": 660089283652.809 }, "end": { "local": "1990-12-01T19:47:35-04:00", "utc": "1990-12-01T23:47:35Z", "ms": 660095254960.2205 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:42 on Sat 1 Dec to 03:50 on Sun 2 Dec.", "fact": "1990-12-01T11:41:48Z → 1990-12-02T07:49:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:47 on the 30th, 18:08–19:48 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 99 minutes on the 30th and 100 of 100 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28925 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Valencia, 1990: Saturday 1 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-12-01", "confidence": "determinate" } ], "quote": "In Valencia, Dattātreyotpatti (Datta Jayanti) 1990 falls on Saturday 1 December. Pūrṇimā runs from 07:42 on Sat 1 Dec to 03:50 on Sun 2 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/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/1990/sankashta-chaturthi?on=1990-12-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13931, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-12-04T17:01:12-04:00", "utc": "1990-12-04T21:01:12Z", "ms": 660344471714.6097 }, "end": { "local": "1990-12-05T14:14:58-04:00", "utc": "1990-12-05T18:14:58Z", "ms": 660420898132.3242 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-12-04T17:01:12-04:00", "utc": "1990-12-04T21:01:12Z", "ms": 660344471714.6097 }, "end": { "local": "1990-12-05T14:14:58-04:00", "utc": "1990-12-05T18:14:58Z", "ms": 660420898132.3242 } }, "kaala": "moonrise", "days": [ { "local_date": "1990-12-04", "window": { "start": { "local": "1990-12-04T20:53:23-04:00", "utc": "1990-12-05T00:53:23Z", "ms": 660358402840.9285 }, "end": { "local": "1990-12-04T20:53:23-04:00", "utc": "1990-12-05T00:53:23Z", "ms": 660358402840.9285 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1990-12-05", "window": { "start": { "local": "1990-12-05T21:54:40-04:00", "utc": "1990-12-06T01:54:40Z", "ms": 660448480385.556 }, "end": { "local": "1990-12-05T21:54:40-04:00", "utc": "1990-12-06T01:54:40Z", "ms": 660448480385.556 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:01 on Tue 4 Dec to 14:15 on Wed 5 Dec.", "fact": "1990-12-04T21:01:12Z → 1990-12-05T18:14:58Z" }, { "step": "kaala", "text": "Moonrise is at 20:53 on the 4th and 21:55 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13931 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1990: Tuesday 4 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": "1990-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-12-04", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1990 falls on Tuesday 4 December. Caturthī runs from 17:01 on Tue 4 Dec to 14:15 on Wed 5 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/sankashta-chaturthi?on=1990-12-04", "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/1990/ekadashi?on=1990-12-12", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20929, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-12-11T12:27:58-04:00", "utc": "1990-12-11T16:27:58Z", "ms": 660932877742.0157 }, "end": { "local": "1990-12-12T14:21:59-04:00", "utc": "1990-12-12T18:21:59Z", "ms": 661026119431.5289 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-12-11T12:27:58-04:00", "utc": "1990-12-11T16:27:58Z", "ms": 660932877742.0157 }, "end": { "local": "1990-12-12T14:21:59-04:00", "utc": "1990-12-12T18:21:59Z", "ms": 661026119431.5289 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-12-11", "window": { "start": { "local": "1990-12-11T06:39:08-04:00", "utc": "1990-12-11T10:39:08Z", "ms": 660911948338.8722 }, "end": { "local": "1990-12-11T06:39:08-04:00", "utc": "1990-12-11T10:39:08Z", "ms": 660911948338.8722 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-12-12", "window": { "start": { "local": "1990-12-12T06:39:40-04:00", "utc": "1990-12-12T10:39:40Z", "ms": 660998380052.9951 }, "end": { "local": "1990-12-12T06:39:40-04:00", "utc": "1990-12-12T10:39:40Z", "ms": 660998380052.9951 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:28 on Tue 11 Dec to 14:22 on Wed 12 Dec.", "fact": "1990-12-11T16:27:58Z → 1990-12-12T18:21:59Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 11th and 06:40 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 20929 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Valencia, 1990: Wednesday 12 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": "1990-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-12-12", "confidence": "determinate" } ], "quote": "In Valencia, Saphalā Ekādaśī 1990 falls on Wednesday 12 December. Ekādaśī runs from 12:28 on Tue 11 Dec to 14:22 on Wed 12 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-12-12", "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/1990/pradosha-vrata?on=1990-12-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-12-13", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2772, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-12-13T16:37:07-04:00", "utc": "1990-12-13T20:37:07Z", "ms": 661120627322.9088 }, "end": { "local": "1990-12-14T19:06:13-04:00", "utc": "1990-12-14T23:06:13Z", "ms": 661215972588.6982 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-12-13T16:37:07-04:00", "utc": "1990-12-13T20:37:07Z", "ms": 661120627322.9088 }, "end": { "local": "1990-12-14T19:06:13-04:00", "utc": "1990-12-14T23:06:13Z", "ms": 661215972588.6982 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-12-13", "window": { "start": { "local": "1990-12-13T18:12:10-04:00", "utc": "1990-12-13T22:12:10Z", "ms": 661126329588.3104 }, "end": { "local": "1990-12-13T19:51:58-04:00", "utc": "1990-12-13T23:51:58Z", "ms": 661132318101.8572 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "1990-12-14", "window": { "start": { "local": "1990-12-14T18:12:35-04:00", "utc": "1990-12-14T22:12:35Z", "ms": 661212755282.6544 }, "end": { "local": "1990-12-14T19:52:25-04:00", "utc": "1990-12-14T23:52:25Z", "ms": 661218744583.322 } }, "covered_min": 54, "window_min": 100, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:37 on Thu 13 Dec to 19:06 on Fri 14 Dec.", "fact": "1990-12-13T20:37:07Z → 1990-12-14T23:06:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–19:52 on the 13th, 18:13–19:52 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 100 of 100 minutes on the 13th and 54 of 100 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2772 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1990: Thursday 13 December.", "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": "1990-12-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-12-13", "confidence": "boundary" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1990 falls on Thursday 13 December. Trayodaśī runs from 16:37 on Thu 13 Dec to 19:06 on Fri 14 Dec and covers all of pradoṣa that evening. It also reaches the next evening for 54 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/1990/pradosha-vrata?on=1990-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/shivaratri?on=1990-12-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8428, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1990-12-14T19:06:13-04:00", "utc": "1990-12-14T23:06:13Z", "ms": 661215972588.6982 }, "end": { "local": "1990-12-15T21:42:56-04:00", "utc": "1990-12-16T01:42:56Z", "ms": 661311775718.7609 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-12-14T19:06:13-04:00", "utc": "1990-12-14T23:06:13Z", "ms": 661215972588.6982 }, "end": { "local": "1990-12-15T21:42:56-04:00", "utc": "1990-12-16T01:42:56Z", "ms": 661311775718.7609 } }, "kaala": "nishita", "days": [ { "local_date": "1990-12-14", "window": { "start": { "local": "1990-12-15T00:02:55-04:00", "utc": "1990-12-15T04:02:55Z", "ms": 661233775160.158 }, "end": { "local": "1990-12-15T00:50:55-04:00", "utc": "1990-12-15T04:50:55Z", "ms": 661236655160.158 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-12-15", "window": { "start": { "local": "1990-12-16T00:03:24-04:00", "utc": "1990-12-16T04:03:24Z", "ms": 661320204081.9363 }, "end": { "local": "1990-12-16T00:51:24-04:00", "utc": "1990-12-16T04:51:24Z", "ms": 661323084081.9363 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:06 on Fri 14 Dec to 21:43 on Sat 15 Dec.", "fact": "1990-12-14T23:06:13Z → 1990-12-16T01:42:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 14th, 00:03–00:51 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8428 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1990: Friday 14 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": "1990-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-12-14", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1990 falls on Friday 14 December. Caturdaśī runs from 19:06 on Fri 14 Dec to 21:43 on Sat 15 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1990/shivaratri?on=1990-12-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/vinayaka-chaturthi?on=1990-12-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9696, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1990-12-20T07:35:10-04:00", "utc": "1990-12-20T11:35:10Z", "ms": 661692910084.565 }, "end": { "local": "1990-12-21T09:24:31-04:00", "utc": "1990-12-21T13:24:31Z", "ms": 661785870749.7606 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-12-20T07:35:10-04:00", "utc": "1990-12-20T11:35:10Z", "ms": 661692910084.565 }, "end": { "local": "1990-12-21T09:24:31-04:00", "utc": "1990-12-21T13:24:31Z", "ms": 661785870749.7606 } }, "kaala": "madhyahna", "days": [ { "local_date": "1990-12-20", "window": { "start": { "local": "1990-12-20T12:05:36-04:00", "utc": "1990-12-20T16:05:36Z", "ms": 661709136376.5781 }, "end": { "local": "1990-12-20T12:53:36-04:00", "utc": "1990-12-20T16:53:36Z", "ms": 661712016376.5781 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1990-12-21", "window": { "start": { "local": "1990-12-21T12:06:06-04:00", "utc": "1990-12-21T16:06:06Z", "ms": 661795566349.8411 }, "end": { "local": "1990-12-21T12:54:06-04:00", "utc": "1990-12-21T16:54:06Z", "ms": 661798446349.8411 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:35 on Thu 20 Dec to 09:25 on Fri 21 Dec.", "fact": "1990-12-20T11:35:10Z → 1990-12-21T13:24:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 20th, 12:06–12:54 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9696 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1990: Thursday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-12-20", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1990 falls on Thursday 20 December. Caturthī runs from 07:35 on Thu 20 Dec to 09:25 on Fri 21 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1990/vinayaka-chaturthi?on=1990-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/ekadashi?on=1990-12-27", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1792, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1990-12-27T07:17:07-04:00", "utc": "1990-12-27T11:17:07Z", "ms": 662296626680.7007 }, "end": { "local": "1990-12-28T04:34:39-04:00", "utc": "1990-12-28T08:34:39Z", "ms": 662373279013.3854 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-12-27T07:17:07-04:00", "utc": "1990-12-27T11:17:07Z", "ms": 662296626680.7007 }, "end": { "local": "1990-12-28T04:34:39-04:00", "utc": "1990-12-28T08:34:39Z", "ms": 662373279013.3854 } }, "kaala": "sunrise", "days": [ { "local_date": "1990-12-27", "window": { "start": { "local": "1990-12-27T06:47:14-04:00", "utc": "1990-12-27T10:47:14Z", "ms": 662294834269.203 }, "end": { "local": "1990-12-27T06:47:14-04:00", "utc": "1990-12-27T10:47:14Z", "ms": 662294834269.203 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1990-12-28", "window": { "start": { "local": "1990-12-28T06:47:41-04:00", "utc": "1990-12-28T10:47:41Z", "ms": 662381261427.2966 }, "end": { "local": "1990-12-28T06:47:41-04:00", "utc": "1990-12-28T10:47:41Z", "ms": 662381261427.2966 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:17 on Thu 27 Dec to 04:35 on Fri 28 Dec.", "fact": "1990-12-27T11:17:07Z → 1990-12-28T08:34:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 27th and 06:48 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 not on the 28th.", "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 1792 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Valencia, 1990: Thursday 27 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1990-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-12-27", "confidence": "determinate" } ], "quote": "In Valencia, Putradā Ekādaśī 1990 falls on Thursday 27 December. Ekādaśī runs from 07:17 on Thu 27 Dec to 04:35 on Fri 28 Dec, and is current at sunrise on neither day.", "cite": "https://ahargana.org/valencia/festivals/1990/ekadashi?on=1990-12-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1990/pradosha-vrata?on=1990-12-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1990, "local_date": "1990-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6844, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1990-12-29T01:23:57-04:00", "utc": "1990-12-29T05:23:57Z", "ms": 662448236815.6461 }, "end": { "local": "1990-12-29T21:53:53-04:00", "utc": "1990-12-30T01:53:53Z", "ms": 662522032817.1108 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1990-12-29T01:23:57-04:00", "utc": "1990-12-29T05:23:57Z", "ms": 662448236815.6461 }, "end": { "local": "1990-12-29T21:53:53-04:00", "utc": "1990-12-30T01:53:53Z", "ms": 662522032817.1108 } }, "kaala": "pradosha", "days": [ { "local_date": "1990-12-28", "window": { "start": { "local": "1990-12-28T18:19:29-04:00", "utc": "1990-12-28T22:19:29Z", "ms": 662422768780.9501 }, "end": { "local": "1990-12-28T19:59:18-04:00", "utc": "1990-12-28T23:59:18Z", "ms": 662428758010.8479 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1990-12-29", "window": { "start": { "local": "1990-12-29T18:20:01-04:00", "utc": "1990-12-29T22:20:01Z", "ms": 662509200723.3557 }, "end": { "local": "1990-12-29T19:59:49-04:00", "utc": "1990-12-29T23:59:49Z", "ms": 662515189157.0751 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:24 on Sat 29 Dec to 21:54 on Sat 29 Dec.", "fact": "1990-12-29T05:23:57Z → 1990-12-30T01:53:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:59 on the 28th, 18:20–20:00 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 100 minutes on the 28th and 100 of 100 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 6844 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1990: Saturday 29 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": "1990-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1990-12-29", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1990 falls on Saturday 29 December. Trayodaśī runs from 01:24 on Sat 29 Dec to 21:54 on Sat 29 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1990/pradosha-vrata?on=1990-12-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }