{ "id": "/valencia/festivals/1986", "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": 1986, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/valencia/festivals/1986/ekadashi?on=1986-01-06", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 29115, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-01-05T22:46:06-04:00", "utc": "1986-01-06T02:46:06Z", "ms": 505363565980.992 }, "end": { "local": "1986-01-06T20:07:49-04:00", "utc": "1986-01-07T00:07:49Z", "ms": 505440469394.5625 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-05T22:46:06-04:00", "utc": "1986-01-06T02:46:06Z", "ms": 505363565980.992 }, "end": { "local": "1986-01-06T20:07:49-04:00", "utc": "1986-01-07T00:07:49Z", "ms": 505440469394.5625 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-01-06", "window": { "start": { "local": "1986-01-06T06:51:21-04:00", "utc": "1986-01-06T10:51:21Z", "ms": 505392681476.7244 }, "end": { "local": "1986-01-06T06:51:21-04:00", "utc": "1986-01-06T10:51:21Z", "ms": 505392681476.7244 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-01-07", "window": { "start": { "local": "1986-01-07T06:51:42-04:00", "utc": "1986-01-07T10:51:42Z", "ms": 505479101674.6731 }, "end": { "local": "1986-01-07T06:51:42-04:00", "utc": "1986-01-07T10:51:42Z", "ms": 505479101674.6731 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-01-07", "start": { "local": "1986-01-07T06:51:42-04:00", "utc": "1986-01-07T10:51:42Z", "ms": 505479101674.6731 }, "end": { "local": "1986-01-07T09:10:21-04:00", "utc": "1986-01-07T13:10:21Z", "ms": 505487420973.8438 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-01-07T17:14:38-04:00", "utc": "1986-01-07T21:14:38Z", "ms": 505516478235.48224 }, "hari_vasara_end": { "local": "1986-01-07T01:24:32-04:00", "utc": "1986-01-07T05:24:32Z", "ms": 505459471604.7924 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:46 on Sun 5 Jan to 20:08 on Mon 6 Jan.", "fact": "1986-01-06T02:46:06Z → 1986-01-07T00:07:49Z" }, { "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 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": "one day qualifies → only-day · margin 29115 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Valencia, 1986: Monday 6 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-06", "confidence": "determinate" } ], "quote": "In Valencia, Saphalā Ekādaśī 1986 falls on Monday 6 January. Ekādaśī runs from 22:46 on Sun 5 Jan to 20:08 on Mon 6 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-01-06", "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/1986/pradosha-vrata?on=1986-01-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-07", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 4220, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-01-07T17:14:38-04:00", "utc": "1986-01-07T21:14:38Z", "ms": 505516478235.48224 }, "end": { "local": "1986-01-08T14:13:27-04:00", "utc": "1986-01-08T18:13:27Z", "ms": 505592006585.5688 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-07T17:14:38-04:00", "utc": "1986-01-07T21:14:38Z", "ms": 505516478235.48224 }, "end": { "local": "1986-01-08T14:13:27-04:00", "utc": "1986-01-08T18:13:27Z", "ms": 505592006585.5688 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-01-07", "window": { "start": { "local": "1986-01-07T18:24:58-04:00", "utc": "1986-01-07T22:24:58Z", "ms": 505520698170.52655 }, "end": { "local": "1986-01-07T20:04:35-04:00", "utc": "1986-01-08T00:04:35Z", "ms": 505526674554.2926 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "1986-01-08", "window": { "start": { "local": "1986-01-08T18:25:30-04:00", "utc": "1986-01-08T22:25:30Z", "ms": 505607130259.9224 }, "end": { "local": "1986-01-08T20:05:05-04:00", "utc": "1986-01-09T00:05:05Z", "ms": 505613104834.991 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:15 on Tue 7 Jan to 14:13 on Wed 8 Jan.", "fact": "1986-01-07T21:14:38Z → 1986-01-08T18:13:27Z" }, { "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 100 of 100 minutes on the 7th and 0 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": "one day qualifies → only-day · margin 4220 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Tuesday 7 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": "1986-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-07", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Tuesday 7 January. Trayodaśī runs from 17:15 on Tue 7 Jan to 14:13 on Wed 8 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-01-07", "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/1986/shivaratri?on=1986-01-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-08", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 36088, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-01-08T14:13:27-04:00", "utc": "1986-01-08T18:13:27Z", "ms": 505592006585.5688 }, "end": { "local": "1986-01-09T11:12:38-04:00", "utc": "1986-01-09T15:12:38Z", "ms": 505667557711.1577 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-08T14:13:27-04:00", "utc": "1986-01-08T18:13:27Z", "ms": 505592006585.5688 }, "end": { "local": "1986-01-09T11:12:38-04:00", "utc": "1986-01-09T15:12:38Z", "ms": 505667557711.1577 } }, "kaala": "nishita", "days": [ { "local_date": "1986-01-08", "window": { "start": { "local": "1986-01-09T00:14:55-04:00", "utc": "1986-01-09T04:14:55Z", "ms": 505628094916.42975 }, "end": { "local": "1986-01-09T01:02:55-04:00", "utc": "1986-01-09T05:02:55Z", "ms": 505630974916.42975 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-01-09", "window": { "start": { "local": "1986-01-10T00:15:20-04:00", "utc": "1986-01-10T04:15:20Z", "ms": 505714519696.2708 }, "end": { "local": "1986-01-10T01:03:20-04:00", "utc": "1986-01-10T05:03:20Z", "ms": 505717399696.2708 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:13 on Wed 8 Jan to 11:13 on Thu 9 Jan.", "fact": "1986-01-08T18:13:27Z → 1986-01-09T15:12:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:15–01:03 on the 8th, 00:15–01:03 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 36088 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Wednesday 8 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": "1986-01-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-08", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Wednesday 8 January. Caturdaśī runs from 14:13 on Wed 8 Jan to 11:13 on Thu 9 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-01-08", "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/1986/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 17540, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-02-12T12:19:06-04:00", "utc": "1986-02-12T16:19:06Z", "ms": 508609145661.87024 } }, "span": { "of": "transit", "start": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 } }, "kaala": "sunset-day", "days": [ { "local_date": "1986-01-13", "window": { "start": { "local": "1986-01-12T18:27:36-04:00", "utc": "1986-01-12T22:27:36Z", "ms": 505952856480.9006 }, "end": { "local": "1986-01-13T18:28:07-04:00", "utc": "1986-01-13T22:28:07Z", "ms": 506039287331.52783 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-13T18:28:07-04:00", "utc": "1986-01-13T22:28:07Z", "ms": 506039287331.52783 }, "end": { "local": "1986-01-14T18:28:38-04:00", "utc": "1986-01-14T22:28:38Z", "ms": 506125717838.308 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1986-01-14", "days": -1 }, "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:20 on Mon 13 Jan.", "fact": "1986-01-14T03:20:27Z · 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 17540 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Valencia, 1986: Monday 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": "1986-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1986-01-12", "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": "1986-01-12", "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 1986 falls on Monday 13 January. It is kept the day before Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 23:20 on Mon 13 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 midnight, or counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 2373, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-02-12T12:19:06-04:00", "utc": "1986-02-12T16:19:06Z", "ms": 508609145661.87024 } }, "span": { "of": "transit", "start": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 } }, "kaala": "civil-day", "days": [ { "local_date": "1986-01-13", "window": { "start": { "local": "1986-01-13T00:00:00-04:00", "utc": "1986-01-13T04:00:00Z", "ms": 505972800000 }, "end": { "local": "1986-01-14T00:00:00-04:00", "utc": "1986-01-14T04:00:00Z", "ms": 506059200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-14T00:00:00-04:00", "utc": "1986-01-14T04:00:00Z", "ms": 506059200000 }, "end": { "local": "1986-01-15T00:00:00-04:00", "utc": "1986-01-15T04:00:00Z", "ms": 506145600000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:20 on Mon 13 Jan.", "fact": "1986-01-14T03:20:27Z · 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 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 midnight → only-day · margin 2373 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Valencia, 1986: Monday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1986-01-13", "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": "1986-01-14", "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 1986 falls on Monday 13 January. The Sun enters Makara at 23:20 on Mon 13 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 January.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vinayaka-chaturthi?on=1986-01-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 35314, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-01-13T02:28:12-04:00", "utc": "1986-01-13T06:28:12Z", "ms": 505981692350.00397 }, "end": { "local": "1986-01-14T01:53:10-04:00", "utc": "1986-01-14T05:53:10Z", "ms": 506065989813.6184 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-13T02:28:12-04:00", "utc": "1986-01-13T06:28:12Z", "ms": 505981692350.00397 }, "end": { "local": "1986-01-14T01:53:10-04:00", "utc": "1986-01-14T05:53:10Z", "ms": 506065989813.6184 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-01-13", "window": { "start": { "local": "1986-01-13T12:16:46-04:00", "utc": "1986-01-13T16:16:46Z", "ms": 506017006001.92566 }, "end": { "local": "1986-01-13T13:04:46-04:00", "utc": "1986-01-13T17:04:46Z", "ms": 506019886001.92566 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-14T12:17:08-04:00", "utc": "1986-01-14T16:17:08Z", "ms": 506103428212.9077 }, "end": { "local": "1986-01-14T13:05:08-04:00", "utc": "1986-01-14T17:05:08Z", "ms": 506106308212.9077 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:28 on Mon 13 Jan to 01:53 on Tue 14 Jan.", "fact": "1986-01-13T06:28:12Z → 1986-01-14T05:53:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 13th, 12:17–13:05 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 35314 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Monday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-13", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Monday 13 January. Caturthī runs from 02:28 on Mon 13 Jan to 01:53 on Tue 14 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-14", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 17540, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-02-12T12:19:06-04:00", "utc": "1986-02-12T16:19:06Z", "ms": 508609145661.87024 } }, "span": { "of": "transit", "start": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 } }, "kaala": "sunset-day", "days": [ { "local_date": "1986-01-13", "window": { "start": { "local": "1986-01-12T18:27:36-04:00", "utc": "1986-01-12T22:27:36Z", "ms": 505952856480.9006 }, "end": { "local": "1986-01-13T18:28:07-04:00", "utc": "1986-01-13T22:28:07Z", "ms": 506039287331.52783 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-13T18:28:07-04:00", "utc": "1986-01-13T22:28:07Z", "ms": 506039287331.52783 }, "end": { "local": "1986-01-14T18:28:38-04:00", "utc": "1986-01-14T22:28:38Z", "ms": 506125717838.308 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:20 on Mon 13 Jan.", "fact": "1986-01-14T03:20:27Z · 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 17540 s" }, { "step": "ruling", "text": "Pongal, Valencia, 1986: Tuesday 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": "1986-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1986-01-13", "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": "1986-01-13", "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 1986 falls on Tuesday 14 January. The Sun enters Makara at 23:20 on Mon 13 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 midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-15", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 17540, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-02-12T12:19:06-04:00", "utc": "1986-02-12T16:19:06Z", "ms": 508609145661.87024 } }, "span": { "of": "transit", "start": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-01-13T23:20:27-04:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 } }, "kaala": "sunset-day", "days": [ { "local_date": "1986-01-13", "window": { "start": { "local": "1986-01-12T18:27:36-04:00", "utc": "1986-01-12T22:27:36Z", "ms": 505952856480.9006 }, "end": { "local": "1986-01-13T18:28:07-04:00", "utc": "1986-01-13T22:28:07Z", "ms": 506039287331.52783 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-13T18:28:07-04:00", "utc": "1986-01-13T22:28:07Z", "ms": 506039287331.52783 }, "end": { "local": "1986-01-14T18:28:38-04:00", "utc": "1986-01-14T22:28:38Z", "ms": 506125717838.308 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1986-01-14", "days": 1 }, "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:20 on Mon 13 Jan.", "fact": "1986-01-14T03:20:27Z · 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 17540 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Valencia, 1986: Wednesday 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": "1986-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1986-01-14", "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": "1986-01-14", "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 1986 falls on Wednesday 15 January. It is kept the day after Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 23:20 on Mon 13 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 midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-01-21", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-21", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 21551, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-01-20T12:53:52-04:00", "utc": "1986-01-20T16:53:52Z", "ms": 506624032061.96136 }, "end": { "local": "1986-01-21T15:24:16-04:00", "utc": "1986-01-21T19:24:16Z", "ms": 506719456134.6427 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-20T12:53:52-04:00", "utc": "1986-01-20T16:53:52Z", "ms": 506624032061.96136 }, "end": { "local": "1986-01-21T15:24:16-04:00", "utc": "1986-01-21T19:24:16Z", "ms": 506719456134.6427 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-01-20", "window": { "start": { "local": "1986-01-20T06:54:41-04:00", "utc": "1986-01-20T10:54:41Z", "ms": 506602481070.9919 }, "end": { "local": "1986-01-20T06:54:41-04:00", "utc": "1986-01-20T10:54:41Z", "ms": 506602481070.9919 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-01-21", "window": { "start": { "local": "1986-01-21T06:54:48-04:00", "utc": "1986-01-21T10:54:48Z", "ms": 506688887897.09155 }, "end": { "local": "1986-01-21T06:54:48-04:00", "utc": "1986-01-21T10:54:48Z", "ms": 506688887897.09155 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-01-22", "start": { "local": "1986-01-22T06:54:54-04:00", "utc": "1986-01-22T10:54:54Z", "ms": 506775293683.7771 }, "end": { "local": "1986-01-22T09:14:24-04:00", "utc": "1986-01-22T13:14:24Z", "ms": 506783664265.08276 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-01-22T17:29:54-04:00", "utc": "1986-01-22T21:29:54Z", "ms": 506813394108.27026 }, "hari_vasara_end": { "local": "1986-01-21T21:55:41-04:00", "utc": "1986-01-22T01:55:41Z", "ms": 506742940628.04956 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:54 on Mon 20 Jan to 15:24 on Tue 21 Jan.", "fact": "1986-01-20T16:53:52Z → 1986-01-21T19:24:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:55 on the 20th and 06:55 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": "one day qualifies → only-day · margin 21551 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Valencia, 1986: Tuesday 21 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-21", "confidence": "determinate" } ], "quote": "In Valencia, Putradā Ekādaśī 1986 falls on Tuesday 21 January. Ekādaśī runs from 12:54 on Mon 20 Jan to 15:24 on Tue 21 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-01-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-22", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1861, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-01-22T17:29:54-04:00", "utc": "1986-01-22T21:29:54Z", "ms": 506813394108.27026 }, "end": { "local": "1986-01-23T19:03:54-04:00", "utc": "1986-01-23T23:03:54Z", "ms": 506905434458.5572 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-22T17:29:54-04:00", "utc": "1986-01-22T21:29:54Z", "ms": 506813394108.27026 }, "end": { "local": "1986-01-23T19:03:54-04:00", "utc": "1986-01-23T23:03:54Z", "ms": 506905434458.5572 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-01-22", "window": { "start": { "local": "1986-01-22T18:32:27-04:00", "utc": "1986-01-22T22:32:27Z", "ms": 506817146590.3055 }, "end": { "local": "1986-01-22T20:11:27-04:00", "utc": "1986-01-23T00:11:27Z", "ms": 506823086835.50415 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1986-01-23", "window": { "start": { "local": "1986-01-23T18:32:53-04:00", "utc": "1986-01-23T22:32:53Z", "ms": 506903572974.8701 }, "end": { "local": "1986-01-23T20:11:50-04:00", "utc": "1986-01-24T00:11:50Z", "ms": 506909510196.0111 } }, "covered_min": 31, "window_min": 99, "qualifies": true } ], "decided_by": "greater-coverage", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:30 on Wed 22 Jan to 19:04 on Thu 23 Jan.", "fact": "1986-01-22T21:29:54Z → 1986-01-23T23:03:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:11 on the 22nd, 18:33–20:12 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 22nd and 31 of 99 on the 23rd.", "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 1861 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Wednesday 22 January.", "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": "1986-01-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-22", "confidence": "boundary" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Wednesday 22 January. Trayodaśī runs from 17:30 on Wed 22 Jan to 19:04 on Thu 23 Jan and covers all of pradoṣa that evening. It also reaches the next evening for 31 minutes; the rule does not say which to take, and the one covered longer is ruled. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-01-22", "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/1986/sankashta-chaturthi?on=1986-01-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-01-28", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 6923, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-01-28T19:13:37-04:00", "utc": "1986-01-28T23:13:37Z", "ms": 507338017137.3118 }, "end": { "local": "1986-01-29T18:09:01-04:00", "utc": "1986-01-29T22:09:01Z", "ms": 507420540700.7934 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-01-28T19:13:37-04:00", "utc": "1986-01-28T23:13:37Z", "ms": 507338017137.3118 }, "end": { "local": "1986-01-29T18:09:01-04:00", "utc": "1986-01-29T22:09:01Z", "ms": 507420540700.7934 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-01-28", "window": { "start": { "local": "1986-01-28T21:09:00-04:00", "utc": "1986-01-29T01:09:00Z", "ms": 507344939876.4313 }, "end": { "local": "1986-01-28T21:09:00-04:00", "utc": "1986-01-29T01:09:00Z", "ms": 507344939876.4313 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-01-29", "window": { "start": { "local": "1986-01-29T22:00:01-04:00", "utc": "1986-01-30T02:00:01Z", "ms": 507434401113.0632 }, "end": { "local": "1986-01-29T22:00:01-04:00", "utc": "1986-01-30T02:00:01Z", "ms": 507434401113.0632 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:14 on Tue 28 Jan to 18:09 on Wed 29 Jan.", "fact": "1986-01-28T23:13:37Z → 1986-01-29T22:09:01Z" }, { "step": "kaala", "text": "Moonrise is at 21:09 on the 28th and 22:00 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 6923 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Tuesday 28 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": "1986-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-28", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Tuesday 28 January. Caturthī runs from 19:14 on Tue 28 Jan to 18:09 on Wed 29 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-01-28", "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/1986/ekadashi?on=1986-02-04", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-04", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1842, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-02-04T07:25:17-04:00", "utc": "1986-02-04T11:25:17Z", "ms": 507900317198.743 }, "end": { "local": "1986-02-05T05:07:04-04:00", "utc": "1986-02-05T09:07:04Z", "ms": 507978423999.30164 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-04T07:25:17-04:00", "utc": "1986-02-04T11:25:17Z", "ms": 507900317198.743 }, "end": { "local": "1986-02-05T05:07:04-04:00", "utc": "1986-02-05T09:07:04Z", "ms": 507978423999.30164 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-02-04", "window": { "start": { "local": "1986-02-04T06:54:35-04:00", "utc": "1986-02-04T10:54:35Z", "ms": 507898475299.1871 }, "end": { "local": "1986-02-04T06:54:35-04:00", "utc": "1986-02-04T10:54:35Z", "ms": 507898475299.1871 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-02-05", "window": { "start": { "local": "1986-02-05T06:54:27-04:00", "utc": "1986-02-05T10:54:27Z", "ms": 507984866884.7186 }, "end": { "local": "1986-02-05T06:54:27-04:00", "utc": "1986-02-05T10:54:27Z", "ms": 507984866884.7186 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "basis": { "kind": "stated-fallback", "source": { "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." } }, "parana": { "local_date": "1986-02-05", "start": { "local": "1986-02-05T13:56:25-04:00", "utc": "1986-02-05T17:56:25Z", "ms": 508010185021.5084 }, "end": { "local": "1986-02-05T16:17:04-04:00", "utc": "1986-02-05T20:17:04Z", "ms": 508018624400.43835 }, "basis": "aparahna", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-02-06T02:48:11-04:00", "utc": "1986-02-06T06:48:11Z", "ms": 508056491080.682 }, "hari_vasara_end": { "local": "1986-02-05T10:32:21-04:00", "utc": "1986-02-05T14:32:21Z", "ms": 507997940769.6467 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:25 on Tue 4 Feb to 05:07 on Wed 5 Feb.", "fact": "1986-02-04T11:25:17Z → 1986-02-05T09:07:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:55 on the 4th and 06:54 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 not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The source says what then (p. 105): the day the tithi falls on.", "fact": "no day qualifies → tithi-day, stated: Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105 · margin 1842 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Valencia, 1986: Tuesday 4 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-04", "confidence": "determinate" } ], "quote": "In Valencia, Ṣaṭtilā Ekādaśī 1986 falls on Tuesday 4 February. Ekādaśī runs from 07:25 on Tue 4 Feb to 05:07 on Wed 5 Feb, and is current at sunrise on neither day. For that case the source takes the day the tithi falls on (Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105).", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-02-04", "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/1986/pradosha-vrata?on=1986-02-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 15521, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-02-06T02:48:11-04:00", "utc": "1986-02-06T06:48:11Z", "ms": 508056491080.682 }, "end": { "local": "1986-02-07T00:34:51-04:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-06T02:48:11-04:00", "utc": "1986-02-06T06:48:11Z", "ms": 508056491080.682 }, "end": { "local": "1986-02-07T00:34:51-04:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-02-05", "window": { "start": { "local": "1986-02-05T18:37:44-04:00", "utc": "1986-02-05T22:37:44Z", "ms": 508027063779.3683 }, "end": { "local": "1986-02-05T20:15:56-04:00", "utc": "1986-02-06T00:15:56Z", "ms": 508032956276.11383 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1986-02-06", "window": { "start": { "local": "1986-02-06T18:38:02-04:00", "utc": "1986-02-06T22:38:02Z", "ms": 508113481929.9878 }, "end": { "local": "1986-02-06T20:16:11-04:00", "utc": "1986-02-07T00:16:11Z", "ms": 508119370628.1944 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:48 on Thu 6 Feb to 00:35 on Fri 7 Feb.", "fact": "1986-02-06T06:48:11Z → 1986-02-07T04:34:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:16 on the 5th, 18:38–20:16 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 5th and 98 of 98 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 15521 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Thursday 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": "1986-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-06", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Thursday 6 February. Trayodaśī runs from 02:48 on Thu 6 Feb to 00:35 on Fri 7 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-02-06", "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/1986/shivaratri?on=1986-02-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 767, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-02-07T00:34:51-04:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "end": { "local": "1986-02-07T22:34:31-04:00", "utc": "1986-02-08T02:34:31Z", "ms": 508214070743.4959 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-07T00:34:51-04:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "end": { "local": "1986-02-07T22:34:31-04:00", "utc": "1986-02-08T02:34:31Z", "ms": 508214070743.4959 } }, "kaala": "nishita", "days": [ { "local_date": "1986-02-06", "window": { "start": { "local": "1986-02-07T00:22:05-04:00", "utc": "1986-02-07T04:22:05Z", "ms": 508134124548.2625 }, "end": { "local": "1986-02-07T01:10:05-04:00", "utc": "1986-02-07T05:10:05Z", "ms": 508137004548.2625 } }, "covered_min": 35, "window_min": 48, "qualifies": true }, { "local_date": "1986-02-07", "window": { "start": { "local": "1986-02-08T00:22:08-04:00", "utc": "1986-02-08T04:22:08Z", "ms": 508220527663.7097 }, "end": { "local": "1986-02-08T01:10:08-04:00", "utc": "1986-02-08T05:10:08Z", "ms": 508223407663.7097 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:35 on Fri 7 Feb to 22:35 on Fri 7 Feb.", "fact": "1986-02-07T04:34:51Z → 1986-02-08T02:34:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 6th, 00:22–01:10 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 35 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 767 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Thursday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-06", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Thursday 6 February. Caturdaśī runs from 00:35 on Fri 7 Feb to 22:35 on Fri 7 Feb and covers 35 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-02-06", "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/1986/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-07", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 16867, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-02-07T00:34:51-04:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "end": { "local": "1986-02-07T22:34:31-04:00", "utc": "1986-02-08T02:34:31Z", "ms": 508214070743.4959 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-07T00:34:51-04:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "end": { "local": "1986-02-07T22:34:31-04:00", "utc": "1986-02-08T02:34:31Z", "ms": 508214070743.4959 } }, "kaala": "arunodaya", "days": [ { "local_date": "1986-02-07", "window": { "start": { "local": "1986-02-07T05:15:58-04:00", "utc": "1986-02-07T09:15:58Z", "ms": 508151758468.3306 }, "end": { "local": "1986-02-07T06:54:07-04:00", "utc": "1986-02-07T10:54:07Z", "ms": 508157647166.53723 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1986-02-08", "window": { "start": { "local": "1986-02-08T05:15:51-04:00", "utc": "1986-02-08T09:15:51Z", "ms": 508238151019.6255 }, "end": { "local": "1986-02-08T06:53:56-04:00", "utc": "1986-02-08T10:53:56Z", "ms": 508244035876.32214 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:35 on Fri 7 Feb to 22:35 on Fri 7 Feb.", "fact": "1986-02-07T04:34:51Z → 1986-02-08T02:34:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:16–06:54 on the 7th, 05:16–06:54 on the 8th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 98 of 98 minutes on the 7th and 0 of 98 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 16867 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Valencia, 1986: Friday 7 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-07", "confidence": "determinate" } ], "quote": "In Valencia, Yama Tarpaṇa 1986 falls on Friday 7 February. Caturdaśī runs from 00:35 on Fri 7 Feb to 22:35 on Fri 7 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-12", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22269, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-02-11T19:21:28-04:00", "utc": "1986-02-11T23:21:28Z", "ms": 508548088457.5811 }, "end": { "local": "1986-02-12T20:14:58-04:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-11T19:21:28-04:00", "utc": "1986-02-11T23:21:28Z", "ms": 508548088457.5811 }, "end": { "local": "1986-02-12T20:14:58-04:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-11", "window": { "start": { "local": "1986-02-11T12:22:20-04:00", "utc": "1986-02-11T16:22:20Z", "ms": 508522939768.12756 }, "end": { "local": "1986-02-11T13:10:20-04:00", "utc": "1986-02-11T17:10:20Z", "ms": 508525819768.12756 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-02-12", "window": { "start": { "local": "1986-02-12T12:22:19-04:00", "utc": "1986-02-12T16:22:19Z", "ms": 508609339425.527 }, "end": { "local": "1986-02-12T13:10:19-04:00", "utc": "1986-02-12T17:10:19Z", "ms": 508612219425.527 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:21 on Tue 11 Feb to 20:15 on Wed 12 Feb.", "fact": "1986-02-11T23:21:28Z → 1986-02-13T00:14:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 11th, 12:22–13:10 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 22269 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Valencia, 1986: Wednesday 12 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-12", "confidence": "determinate" } ], "quote": "In Valencia, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1986 falls on Wednesday 12 February. Caturthī runs from 19:21 on Tue 11 Feb to 20:15 on Wed 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-12", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 144, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-02-11T19:21:28-04:00", "utc": "1986-02-11T23:21:28Z", "ms": 508548088457.5811 }, "end": { "local": "1986-02-12T20:14:58-04:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-11T19:21:28-04:00", "utc": "1986-02-11T23:21:28Z", "ms": 508548088457.5811 }, "end": { "local": "1986-02-12T20:14:58-04:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-02-11", "window": { "start": { "local": "1986-02-11T18:39:23-04:00", "utc": "1986-02-11T22:39:23Z", "ms": 508545563161.1104 }, "end": { "local": "1986-02-11T20:17:12-04:00", "utc": "1986-02-12T00:17:12Z", "ms": 508551432254.8165 } }, "covered_min": 56, "window_min": 98, "qualifies": true }, { "local_date": "1986-02-12", "window": { "start": { "local": "1986-02-12T18:39:37-04:00", "utc": "1986-02-12T22:39:37Z", "ms": 508631977487.14764 }, "end": { "local": "1986-02-12T20:17:23-04:00", "utc": "1986-02-13T00:17:23Z", "ms": 508637842548.9762 } }, "covered_min": 95, "window_min": 98, "qualifies": true } ], "decided_by": "greater-coverage", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:21 on Tue 11 Feb to 20:15 on Wed 12 Feb.", "fact": "1986-02-11T23:21:28Z → 1986-02-13T00:14:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:17 on the 11th, 18:40–20:17 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 56 of 98 minutes on the 11th and 95 of 98 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 144 s < 300 s" }, { "step": "ruling", "text": "Tila Caturthī, Valencia, 1986: Wednesday 12 February.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-11", "confidence": "boundary" } ], "quote": "In Valencia, Tila Caturthī 1986 falls on Wednesday 12 February. Caturthī runs from 19:21 on Tue 11 Feb to 20:15 on Wed 12 Feb and covers 95 of 98 minutes of pradoṣa that evening. It also reaches the previous evening for 56 minutes; the rule does not say which to take, and the one covered longer is ruled. It is 2 min 24 s from a threshold. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 25479, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-02-12T20:14:58-04:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "end": { "local": "1986-02-13T21:50:42-04:00", "utc": "1986-02-14T01:50:42Z", "ms": 508729841963.9339 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-12T20:14:58-04:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "end": { "local": "1986-02-13T21:50:42-04:00", "utc": "1986-02-14T01:50:42Z", "ms": 508729841963.9339 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-12", "window": { "start": { "local": "1986-02-12T12:22:19-04:00", "utc": "1986-02-12T16:22:19Z", "ms": 508609339425.527 }, "end": { "local": "1986-02-12T13:10:19-04:00", "utc": "1986-02-12T17:10:19Z", "ms": 508612219425.527 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-02-13", "window": { "start": { "local": "1986-02-13T12:22:18-04:00", "utc": "1986-02-13T16:22:18Z", "ms": 508695738312.6597 }, "end": { "local": "1986-02-13T13:10:18-04:00", "utc": "1986-02-13T17:10:18Z", "ms": 508698618312.6597 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:15 on Wed 12 Feb to 21:51 on Thu 13 Feb.", "fact": "1986-02-13T00:14:58Z → 1986-02-14T01:50:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 12th, 12:22–13:10 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 25479 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Valencia, 1986: Thursday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-13", "confidence": "determinate" } ], "quote": "In Valencia, Śrī Pañcamī 1986 falls on Thursday 13 February. Pañcamī runs from 20:15 on Wed 12 Feb to 21:51 on Thu 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 25479, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-02-12T20:14:58-04:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "end": { "local": "1986-02-13T21:50:42-04:00", "utc": "1986-02-14T01:50:42Z", "ms": 508729841963.9339 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-12T20:14:58-04:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "end": { "local": "1986-02-13T21:50:42-04:00", "utc": "1986-02-14T01:50:42Z", "ms": 508729841963.9339 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-12", "window": { "start": { "local": "1986-02-12T12:22:19-04:00", "utc": "1986-02-12T16:22:19Z", "ms": 508609339425.527 }, "end": { "local": "1986-02-12T13:10:19-04:00", "utc": "1986-02-12T17:10:19Z", "ms": 508612219425.527 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-02-13", "window": { "start": { "local": "1986-02-13T12:22:18-04:00", "utc": "1986-02-13T16:22:18Z", "ms": 508695738312.6597 }, "end": { "local": "1986-02-13T13:10:18-04:00", "utc": "1986-02-13T17:10:18Z", "ms": 508698618312.6597 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:15 on Wed 12 Feb to 21:51 on Thu 13 Feb.", "fact": "1986-02-13T00:14:58Z → 1986-02-14T01:50:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 12th, 12:22–13:10 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 25479 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Valencia, 1986: Thursday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-13", "confidence": "determinate" } ], "quote": "In Valencia, Vasanta Pañcamī 1986 falls on Thursday 13 February. Pañcamī runs from 20:15 on Wed 12 Feb to 21:51 on Thu 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-15", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 9577, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-02-15T00:01:21-04:00", "utc": "1986-02-15T04:01:21Z", "ms": 508824080993.4906 }, "end": { "local": "1986-02-16T02:34:43-04:00", "utc": "1986-02-16T06:34:43Z", "ms": 508919683067.2104 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-15T00:01:21-04:00", "utc": "1986-02-15T04:01:21Z", "ms": 508824080993.4906 }, "end": { "local": "1986-02-16T02:34:43-04:00", "utc": "1986-02-16T06:34:43Z", "ms": 508919683067.2104 } }, "kaala": "arunodaya", "days": [ { "local_date": "1986-02-15", "window": { "start": { "local": "1986-02-15T05:14:34-04:00", "utc": "1986-02-15T09:14:34Z", "ms": 508842874074.2499 }, "end": { "local": "1986-02-15T06:52:11-04:00", "utc": "1986-02-15T10:52:11Z", "ms": 508848730973.68646 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1986-02-16", "window": { "start": { "local": "1986-02-16T05:14:20-04:00", "utc": "1986-02-16T09:14:20Z", "ms": 508929259669.4916 }, "end": { "local": "1986-02-16T06:51:52-04:00", "utc": "1986-02-16T10:51:52Z", "ms": 508935112441.3725 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:01 on Sat 15 Feb to 02:35 on Sun 16 Feb.", "fact": "1986-02-15T04:01:21Z → 1986-02-16T06:34:43Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:15–06:52 on the 15th, 05:14–06:52 on the 16th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 98 of 98 minutes on the 15th and 0 of 98 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 9577 s" }, { "step": "ruling", "text": "Ratha Saptamī, Valencia, 1986: Saturday 15 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-15", "confidence": "determinate" } ], "quote": "In Valencia, Ratha Saptamī 1986 falls on Saturday 15 February. Saptamī runs from 00:01 on Sat 15 Feb to 02:35 on Sun 16 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-02-20", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-20", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 10947, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-02-19T09:53:18-04:00", "utc": "1986-02-19T13:53:18Z", "ms": 509205198483.1311 }, "end": { "local": "1986-02-20T11:25:47-04:00", "utc": "1986-02-20T15:25:47Z", "ms": 509297147008.1221 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-19T09:53:18-04:00", "utc": "1986-02-19T13:53:18Z", "ms": 509205198483.1311 }, "end": { "local": "1986-02-20T11:25:47-04:00", "utc": "1986-02-20T15:25:47Z", "ms": 509297147008.1221 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-02-19", "window": { "start": { "local": "1986-02-19T06:50:52-04:00", "utc": "1986-02-19T10:50:52Z", "ms": 509194251878.2481 }, "end": { "local": "1986-02-19T06:50:52-04:00", "utc": "1986-02-19T10:50:52Z", "ms": 509194251878.2481 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-02-20", "window": { "start": { "local": "1986-02-20T06:50:30-04:00", "utc": "1986-02-20T10:50:30Z", "ms": 509280630098.30896 }, "end": { "local": "1986-02-20T06:50:30-04:00", "utc": "1986-02-20T10:50:30Z", "ms": 509280630098.30896 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-02-21", "start": { "local": "1986-02-21T06:50:08-04:00", "utc": "1986-02-21T10:50:08Z", "ms": 509367007555.9619 }, "end": { "local": "1986-02-21T09:12:22-04:00", "utc": "1986-02-21T13:12:22Z", "ms": 509375541731.9633 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-02-21T12:18:04-04:00", "utc": "1986-02-21T16:18:04Z", "ms": 509386684197.9343 }, "hari_vasara_end": { "local": "1986-02-20T17:38:51-04:00", "utc": "1986-02-20T21:38:51Z", "ms": 509319531305.57513 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:53 on Wed 19 Feb to 11:26 on Thu 20 Feb.", "fact": "1986-02-19T13:53:18Z → 1986-02-20T15:25:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 19th and 06:51 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 10947 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Valencia, 1986: Thursday 20 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-20", "confidence": "determinate" } ], "quote": "In Valencia, Jayā Ekādaśī 1986 falls on Thursday 20 February. Ekādaśī runs from 09:53 on Wed 19 Feb to 11:26 on Thu 20 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-20", "confidence": "boundary", "boundary_reasons": [ "margin" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 219, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-02-20T11:25:47-04:00", "utc": "1986-02-20T15:25:47Z", "ms": 509297147008.1221 }, "end": { "local": "1986-02-21T12:18:04-04:00", "utc": "1986-02-21T16:18:04Z", "ms": 509386684197.9343 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-20T11:25:47-04:00", "utc": "1986-02-20T15:25:47Z", "ms": 509297147008.1221 }, "end": { "local": "1986-02-21T12:18:04-04:00", "utc": "1986-02-21T16:18:04Z", "ms": 509386684197.9343 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-20", "window": { "start": { "local": "1986-02-20T12:21:50-04:00", "utc": "1986-02-20T16:21:50Z", "ms": 509300509853.0436 }, "end": { "local": "1986-02-20T13:09:50-04:00", "utc": "1986-02-20T17:09:50Z", "ms": 509303389853.0436 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-02-21", "window": { "start": { "local": "1986-02-21T12:21:43-04:00", "utc": "1986-02-21T16:21:43Z", "ms": 509386902995.96533 }, "end": { "local": "1986-02-21T13:09:43-04:00", "utc": "1986-02-21T17:09:43Z", "ms": 509389782995.96533 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:26 on Thu 20 Feb to 12:18 on Fri 21 Feb.", "fact": "1986-02-20T15:25:47Z → 1986-02-21T16:18:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 20th, 12:22–13:10 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 219 s < 300 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Valencia, 1986: Thursday 20 February.", "fact": "confidence: boundary (margin)" } ], "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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-20", "confidence": "determinate" } ], "quote": "In Valencia, Bhīṣma Dvādaśī 1986 falls on Thursday 20 February. Dvādaśī runs from 11:26 on Thu 20 Feb to 12:18 on Fri 21 Feb and covers all of madhyāhna that midday. It is 3 min 39 s from a threshold. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/pradosha-vrata?on=1986-02-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-21", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22330, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-02-21T12:18:04-04:00", "utc": "1986-02-21T16:18:04Z", "ms": 509386684197.9343 }, "end": { "local": "1986-02-22T12:29:17-04:00", "utc": "1986-02-22T16:29:17Z", "ms": 509473756531.96704 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-21T12:18:04-04:00", "utc": "1986-02-21T16:18:04Z", "ms": 509386684197.9343 }, "end": { "local": "1986-02-22T12:29:17-04:00", "utc": "1986-02-22T16:29:17Z", "ms": 509473756531.96704 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-02-21", "window": { "start": { "local": "1986-02-21T18:41:18-04:00", "utc": "1986-02-21T22:41:18Z", "ms": 509409678435.9688 }, "end": { "local": "1986-02-21T20:18:26-04:00", "utc": "1986-02-22T00:18:26Z", "ms": 509415505880.8666 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1986-02-22", "window": { "start": { "local": "1986-02-22T18:41:27-04:00", "utc": "1986-02-22T22:41:27Z", "ms": 509496086705.4331 }, "end": { "local": "1986-02-22T20:18:30-04:00", "utc": "1986-02-23T00:18:30Z", "ms": 509501909847.48883 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:18 on Fri 21 Feb to 12:29 on Sat 22 Feb.", "fact": "1986-02-21T16:18:04Z → 1986-02-22T16:29:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:18 on the 21st, 18:41–20:18 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 97 of 97 minutes on the 21st and 0 of 97 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": "one day qualifies → only-day · margin 22330 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Friday 21 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-21", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Friday 21 February. Trayodaśī runs from 12:18 on Fri 21 Feb to 12:29 on Sat 22 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-02-21", "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/1986/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-23", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1154, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-02-23T12:02:14-04:00", "utc": "1986-02-23T16:02:14Z", "ms": 509558533842.1679 }, "end": { "local": "1986-02-24T11:02:14-04:00", "utc": "1986-02-24T15:02:14Z", "ms": 509641333641.87506 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-23T12:02:14-04:00", "utc": "1986-02-23T16:02:14Z", "ms": 509558533842.1679 }, "end": { "local": "1986-02-24T11:02:14-04:00", "utc": "1986-02-24T15:02:14Z", "ms": 509641333641.87506 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-23", "window": { "start": { "local": "1986-02-23T12:21:27-04:00", "utc": "1986-02-23T16:21:27Z", "ms": 509559687350.9083 }, "end": { "local": "1986-02-23T13:09:27-04:00", "utc": "1986-02-23T17:09:27Z", "ms": 509562567350.9083 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-02-24", "window": { "start": { "local": "1986-02-24T12:21:19-04:00", "utc": "1986-02-24T16:21:19Z", "ms": 509646078601.0067 }, "end": { "local": "1986-02-24T13:09:19-04:00", "utc": "1986-02-24T17:09:19Z", "ms": 509648958601.0067 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:02 on Sun 23 Feb to 11:02 on Mon 24 Feb.", "fact": "1986-02-23T16:02:14Z → 1986-02-24T15:02:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 23rd, 12:21–13:09 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 1154 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Valencia, 1986: Sunday 23 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-23", "confidence": "determinate" } ], "quote": "In Valencia, Māghī Pūrṇimā 1986 falls on Sunday 23 February. Pūrṇimā runs from 12:02 on Sun 23 Feb to 11:02 on Mon 24 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-02-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-02-27", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 21914, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-02-27T05:50:50-04:00", "utc": "1986-02-27T09:50:50Z", "ms": 509881849915.1669 }, "end": { "local": "1986-02-28T03:44:16-04:00", "utc": "1986-02-28T07:44:16Z", "ms": 509960655556.1134 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-02-27T05:50:50-04:00", "utc": "1986-02-27T09:50:50Z", "ms": 509881849915.1669 }, "end": { "local": "1986-02-28T03:44:16-04:00", "utc": "1986-02-28T07:44:16Z", "ms": 509960655556.1134 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-02-26", "window": { "start": { "local": "1986-02-26T20:45:41-04:00", "utc": "1986-02-27T00:45:41Z", "ms": 509849140654.8852 }, "end": { "local": "1986-02-26T20:45:41-04:00", "utc": "1986-02-27T00:45:41Z", "ms": 509849140654.8852 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-02-27", "window": { "start": { "local": "1986-02-27T21:39:02-04:00", "utc": "1986-02-28T01:39:02Z", "ms": 509938742006.5579 }, "end": { "local": "1986-02-27T21:39:02-04:00", "utc": "1986-02-28T01:39:02Z", "ms": 509938742006.5579 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:51 on Thu 27 Feb to 03:44 on Fri 28 Feb.", "fact": "1986-02-27T09:50:50Z → 1986-02-28T07:44:16Z" }, { "step": "kaala", "text": "Moonrise is at 20:46 on the 26th and 21:39 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 21914 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Thursday 27 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-27", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Thursday 27 February. Caturthī runs from 05:51 on Thu 27 Feb to 03:44 on Fri 28 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/ekadashi?on=1986-03-06", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 26120, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-03-05T15:35:01-04:00", "utc": "1986-03-05T19:35:01Z", "ms": 510435300633.61395 }, "end": { "local": "1986-03-06T13:59:35-04:00", "utc": "1986-03-06T17:59:35Z", "ms": 510515975352.566 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-05T15:35:01-04:00", "utc": "1986-03-05T19:35:01Z", "ms": 510435300633.61395 }, "end": { "local": "1986-03-06T13:59:35-04:00", "utc": "1986-03-06T17:59:35Z", "ms": 510515975352.566 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-03-05", "window": { "start": { "local": "1986-03-05T06:44:46-04:00", "utc": "1986-03-05T10:44:46Z", "ms": 510403485967.8407 }, "end": { "local": "1986-03-05T06:44:46-04:00", "utc": "1986-03-05T10:44:46Z", "ms": 510403485967.8407 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-03-06", "window": { "start": { "local": "1986-03-06T06:44:16-04:00", "utc": "1986-03-06T10:44:16Z", "ms": 510489855624.4925 }, "end": { "local": "1986-03-06T06:44:16-04:00", "utc": "1986-03-06T10:44:16Z", "ms": 510489855624.4925 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-03-07", "start": { "local": "1986-03-07T06:43:45-04:00", "utc": "1986-03-07T10:43:45Z", "ms": 510576224837.8423 }, "end": { "local": "1986-03-07T09:07:30-04:00", "utc": "1986-03-07T13:07:30Z", "ms": 510584850043.3761 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-03-07T12:39:02-04:00", "utc": "1986-03-07T16:39:02Z", "ms": 510597542030.0529 }, "hari_vasara_end": { "local": "1986-03-06T19:39:27-04:00", "utc": "1986-03-06T23:39:27Z", "ms": 510536367021.93774 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:35 on Wed 5 Mar to 14:00 on Thu 6 Mar.", "fact": "1986-03-05T19:35:01Z → 1986-03-06T17:59:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 5th and 06:44 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 26120 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Valencia, 1986: Thursday 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-06", "confidence": "determinate" } ], "quote": "In Valencia, Vijayā Ekādaśī 1986 falls on Thursday 6 March. Ekādaśī runs from 15:35 on Wed 5 Mar to 14:00 on Thu 6 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-03-06", "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/1986/pradosha-vrata?on=1986-03-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-07", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 21809, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-03-07T12:39:02-04:00", "utc": "1986-03-07T16:39:02Z", "ms": 510597542030.0529 }, "end": { "local": "1986-03-08T11:37:39-04:00", "utc": "1986-03-08T15:37:39Z", "ms": 510680259361.5549 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-07T12:39:02-04:00", "utc": "1986-03-07T16:39:02Z", "ms": 510597542030.0529 }, "end": { "local": "1986-03-08T11:37:39-04:00", "utc": "1986-03-08T15:37:39Z", "ms": 510680259361.5549 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-03-07", "window": { "start": { "local": "1986-03-07T18:42:31-04:00", "utc": "1986-03-07T22:42:31Z", "ms": 510619350865.5112 }, "end": { "local": "1986-03-07T20:18:37-04:00", "utc": "1986-03-08T00:18:37Z", "ms": 510625116567.1052 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1986-03-08", "window": { "start": { "local": "1986-03-08T18:42:33-04:00", "utc": "1986-03-08T22:42:33Z", "ms": 510705753028.0233 }, "end": { "local": "1986-03-08T20:18:34-04:00", "utc": "1986-03-09T00:18:34Z", "ms": 510711514225.98004 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:39 on Fri 7 Mar to 11:38 on Sat 8 Mar.", "fact": "1986-03-07T16:39:02Z → 1986-03-08T15:37:39Z" }, { "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 96 of 96 minutes on the 7th and 0 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": "one day qualifies → only-day · margin 21809 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Friday 7 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": "1986-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-07", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Friday 7 March. Trayodaśī runs from 12:39 on Fri 7 Mar to 11:38 on Sat 8 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-08", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 35617, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-03-08T11:37:39-04:00", "utc": "1986-03-08T15:37:39Z", "ms": 510680259361.5549 }, "end": { "local": "1986-03-09T11:00:15-04:00", "utc": "1986-03-09T15:00:15Z", "ms": 510764414739.7569 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-08T11:37:39-04:00", "utc": "1986-03-08T15:37:39Z", "ms": 510680259361.5549 }, "end": { "local": "1986-03-09T11:00:15-04:00", "utc": "1986-03-09T15:00:15Z", "ms": 510764414739.7569 } }, "kaala": "nishita", "days": [ { "local_date": "1986-03-07", "window": { "start": { "local": "1986-03-08T00:18:52-04:00", "utc": "1986-03-08T04:18:52Z", "ms": 510639532246.4888 }, "end": { "local": "1986-03-08T01:06:52-04:00", "utc": "1986-03-08T05:06:52Z", "ms": 510642412246.4888 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-03-08", "window": { "start": { "local": "1986-03-09T00:18:38-04:00", "utc": "1986-03-09T04:18:38Z", "ms": 510725917520.36096 }, "end": { "local": "1986-03-09T01:06:38-04:00", "utc": "1986-03-09T05:06:38Z", "ms": 510728797520.36096 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:38 on Sat 8 Mar to 11:00 on Sun 9 Mar.", "fact": "1986-03-08T15:37:39Z → 1986-03-09T15:00:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:19–01:07 on the 7th, 00:19–01:07 on the 8th.", "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 7th and 48 of 48 on the 8th.", "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": "one day qualifies → only-day · margin 35617 s" }, { "step": "ruling", "text": "Mahāśivarātri, Valencia, 1986: Saturday 8 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-08", "confidence": "determinate" } ], "quote": "In Valencia, Mahāśivarātri 1986 falls on Saturday 8 March. Caturdaśī runs from 11:38 on Sat 8 Mar to 11:00 on Sun 9 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vinayaka-chaturthi?on=1986-03-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-14", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 2549, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-03-13T13:48:04-04:00", "utc": "1986-03-13T17:48:04Z", "ms": 511120084207.61725 }, "end": { "local": "1986-03-14T15:52:05-04:00", "utc": "1986-03-14T19:52:05Z", "ms": 511213925040.24536 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-13T13:48:04-04:00", "utc": "1986-03-13T17:48:04Z", "ms": 511120084207.61725 }, "end": { "local": "1986-03-14T15:52:05-04:00", "utc": "1986-03-14T19:52:05Z", "ms": 511213925040.24536 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-03-13", "window": { "start": { "local": "1986-03-13T12:17:36-04:00", "utc": "1986-03-13T16:17:36Z", "ms": 511114655551.0366 }, "end": { "local": "1986-03-13T13:05:36-04:00", "utc": "1986-03-13T17:05:36Z", "ms": 511117535551.0366 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-03-14", "window": { "start": { "local": "1986-03-14T12:17:19-04:00", "utc": "1986-03-14T16:17:19Z", "ms": 511201039082.1831 }, "end": { "local": "1986-03-14T13:05:19-04:00", "utc": "1986-03-14T17:05:19Z", "ms": 511203919082.1831 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:48 on Thu 13 Mar to 15:52 on Fri 14 Mar.", "fact": "1986-03-13T17:48:04Z → 1986-03-14T19:52:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 13th, 12:17–13:05 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 2549 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Friday 14 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-14", "confidence": "boundary" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Friday 14 March. Caturthī runs from 13:48 on Thu 13 Mar to 15:52 on Fri 14 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-03-14", "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/1986/ekadashi?on=1986-03-21", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-21", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 6663, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-03-21T04:27:28-04:00", "utc": "1986-03-21T08:27:28Z", "ms": 511777648276.1345 }, "end": { "local": "1986-03-22T04:44:21-04:00", "utc": "1986-03-22T08:44:21Z", "ms": 511865060832.2471 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-21T04:27:28-04:00", "utc": "1986-03-21T08:27:28Z", "ms": 511777648276.1345 }, "end": { "local": "1986-03-22T04:44:21-04:00", "utc": "1986-03-22T08:44:21Z", "ms": 511865060832.2471 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-03-21", "window": { "start": { "local": "1986-03-21T06:35:58-04:00", "utc": "1986-03-21T10:35:58Z", "ms": 511785358472.8067 }, "end": { "local": "1986-03-21T06:35:58-04:00", "utc": "1986-03-21T10:35:58Z", "ms": 511785358472.8067 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-03-22", "window": { "start": { "local": "1986-03-22T06:35:23-04:00", "utc": "1986-03-22T10:35:23Z", "ms": 511871723493.20807 }, "end": { "local": "1986-03-22T06:35:23-04:00", "utc": "1986-03-22T10:35:23Z", "ms": 511871723493.20807 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-03-22", "start": { "local": "1986-03-22T13:51:43-04:00", "utc": "1986-03-22T17:51:43Z", "ms": 511897902704.7896 }, "end": { "local": "1986-03-22T16:17:09-04:00", "utc": "1986-03-22T20:17:09Z", "ms": 511906629108.65015 }, "basis": "aparahna", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-03-23T04:15:42-04:00", "utc": "1986-03-23T08:15:42Z", "ms": 511949742324.7893 }, "hari_vasara_end": { "local": "1986-03-22T10:37:11-04:00", "utc": "1986-03-22T14:37:11Z", "ms": 511886231205.3826 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:27 on Fri 21 Mar to 04:44 on Sat 22 Mar.", "fact": "1986-03-21T08:27:28Z → 1986-03-22T08:44:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:36 on the 21st and 06:35 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 6663 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Valencia, 1986: Friday 21 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-21", "confidence": "determinate" } ], "quote": "In Valencia, Āmalakī Ekādaśī 1986 falls on Friday 21 March. Ekādaśī runs from 04:27 on Fri 21 Mar to 04:44 on Sat 22 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-03-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-23", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 24446, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-03-23T04:15:42-04:00", "utc": "1986-03-23T08:15:42Z", "ms": 511949742324.7893 }, "end": { "local": "1986-03-24T03:04:53-04:00", "utc": "1986-03-24T07:04:53Z", "ms": 512031893332.966 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-23T04:15:42-04:00", "utc": "1986-03-23T08:15:42Z", "ms": 511949742324.7893 }, "end": { "local": "1986-03-24T03:04:53-04:00", "utc": "1986-03-24T07:04:53Z", "ms": 512031893332.966 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-03-22", "window": { "start": { "local": "1986-03-22T18:42:36-04:00", "utc": "1986-03-22T22:42:36Z", "ms": 511915355512.5107 }, "end": { "local": "1986-03-22T20:17:33-04:00", "utc": "1986-03-23T00:17:33Z", "ms": 511921053232.8517 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1986-03-23", "window": { "start": { "local": "1986-03-23T18:42:34-04:00", "utc": "1986-03-23T22:42:34Z", "ms": 512001754351.185 }, "end": { "local": "1986-03-23T20:17:28-04:00", "utc": "1986-03-24T00:17:28Z", "ms": 512007447539.5149 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:16 on Sun 23 Mar to 03:05 on Mon 24 Mar.", "fact": "1986-03-23T08:15:42Z → 1986-03-24T07:04:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:18 on the 22nd, 18:43–20:17 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 22nd and 95 of 95 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 24446 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Sunday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-23", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Sunday 23 March. Trayodaśī runs from 04:16 on Sun 23 Mar to 03:05 on Mon 24 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-25", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 15555, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-03-25T01:17:47-04:00", "utc": "1986-03-25T05:17:47Z", "ms": 512111866728.46625 }, "end": { "local": "1986-03-25T23:01:47-04:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-25T01:17:47-04:00", "utc": "1986-03-25T05:17:47Z", "ms": 512111866728.46625 }, "end": { "local": "1986-03-25T23:01:47-04:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 } }, "kaala": "sayahna", "days": [ { "local_date": "1986-03-24", "window": { "start": { "local": "1986-03-24T16:16:53-04:00", "utc": "1986-03-24T20:16:53Z", "ms": 512079413140.968 }, "end": { "local": "1986-03-24T18:42:33-04:00", "utc": "1986-03-24T22:42:33Z", "ms": 512088153110.29517 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1986-03-25", "window": { "start": { "local": "1986-03-25T16:16:45-04:00", "utc": "1986-03-25T20:16:45Z", "ms": 512165805062.0692 }, "end": { "local": "1986-03-25T18:42:32-04:00", "utc": "1986-03-25T22:42:32Z", "ms": 512174551811.38043 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:18 on Tue 25 Mar to 23:02 on Tue 25 Mar.", "fact": "1986-03-25T05:17:47Z → 1986-03-26T03:01:47Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:43 on the 24th, 16:17–18:43 on the 25th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 146 minutes on the 24th and 146 of 146 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 15555 s" }, { "step": "ruling", "text": "Holikā Dahana, Valencia, 1986: Tuesday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-25", "confidence": "determinate" } ], "quote": "In Valencia, Holikā Dahana 1986 falls on Tuesday 25 March. Pūrṇimā runs from 01:18 on Tue 25 Mar to 23:02 on Tue 25 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-26", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 15555, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-03-25T01:17:47-04:00", "utc": "1986-03-25T05:17:47Z", "ms": 512111866728.46625 }, "end": { "local": "1986-03-25T23:01:47-04:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-25T01:17:47-04:00", "utc": "1986-03-25T05:17:47Z", "ms": 512111866728.46625 }, "end": { "local": "1986-03-25T23:01:47-04:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 } }, "kaala": "sayahna", "days": [ { "local_date": "1986-03-24", "window": { "start": { "local": "1986-03-24T16:16:53-04:00", "utc": "1986-03-24T20:16:53Z", "ms": 512079413140.968 }, "end": { "local": "1986-03-24T18:42:33-04:00", "utc": "1986-03-24T22:42:33Z", "ms": 512088153110.29517 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1986-03-25", "window": { "start": { "local": "1986-03-25T16:16:45-04:00", "utc": "1986-03-25T20:16:45Z", "ms": 512165805062.0692 }, "end": { "local": "1986-03-25T18:42:32-04:00", "utc": "1986-03-25T22:42:32Z", "ms": 512174551811.38043 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1986-03-25", "days": 1 }, "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:18 on Tue 25 Mar to 23:02 on Tue 25 Mar.", "fact": "1986-03-25T05:17:47Z → 1986-03-26T03:01:47Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:43 on the 24th, 16:17–18:43 on the 25th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 146 minutes on the 24th and 146 of 146 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 15555 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 25 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Valencia, 1986: Wednesday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-26", "confidence": "determinate" } ], "quote": "In Valencia, Holī 1986 falls on Wednesday 26 March. It is kept the day after Holikā Dahana, which falls on Tuesday 25 March. Pūrṇimā runs from 01:18 on Tue 25 Mar to 23:02 on Tue 25 Mar and covers all of sāyāhna on the 25th.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-26", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 27076, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-03-25T23:01:47-04:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 }, "end": { "local": "1986-03-26T20:25:01-04:00", "utc": "1986-03-27T00:25:01Z", "ms": 512267100524.2695 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-03-25T23:01:47-04:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 }, "end": { "local": "1986-03-26T20:25:01-04:00", "utc": "1986-03-27T00:25:01Z", "ms": 512267100524.2695 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-03-26", "window": { "start": { "local": "1986-03-26T06:33:03-04:00", "utc": "1986-03-26T10:33:03Z", "ms": 512217182844.881 }, "end": { "local": "1986-03-26T06:33:03-04:00", "utc": "1986-03-26T10:33:03Z", "ms": 512217182844.881 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-03-27", "window": { "start": { "local": "1986-03-27T06:32:28-04:00", "utc": "1986-03-27T10:32:28Z", "ms": 512303547630.41956 }, "end": { "local": "1986-03-27T06:32:28-04:00", "utc": "1986-03-27T10:32:28Z", "ms": 512303547630.41956 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:02 on Tue 25 Mar to 20:25 on Wed 26 Mar.", "fact": "1986-03-26T03:01:47Z → 1986-03-27T00:25:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 26th and 06:32 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 27076 s" }, { "step": "ruling", "text": "Vasantotsava, Valencia, 1986: Wednesday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-26", "confidence": "determinate" } ], "quote": "In Valencia, Vasantotsava 1986 falls on Wednesday 26 March. Pratipadā runs from 23:02 on Tue 25 Mar to 20:25 on Wed 26 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-03-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-03-28", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 24095, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-03-28T14:41:31-04:00", "utc": "1986-03-28T18:41:31Z", "ms": 512419290709.44495 }, "end": { "local": "1986-03-29T11:49:48-04:00", "utc": "1986-03-29T15:49:48Z", "ms": 512495387601.1207 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-03-28T14:41:31-04:00", "utc": "1986-03-28T18:41:31Z", "ms": 512419290709.44495 }, "end": { "local": "1986-03-29T11:49:48-04:00", "utc": "1986-03-29T15:49:48Z", "ms": 512495387601.1207 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-03-28", "window": { "start": { "local": "1986-03-28T21:23:06-04:00", "utc": "1986-03-29T01:23:06Z", "ms": 512443385752.0348 }, "end": { "local": "1986-03-28T21:23:06-04:00", "utc": "1986-03-29T01:23:06Z", "ms": 512443385752.0348 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-03-29", "window": { "start": { "local": "1986-03-29T22:25:05-04:00", "utc": "1986-03-30T02:25:05Z", "ms": 512533505293.1738 }, "end": { "local": "1986-03-29T22:25:05-04:00", "utc": "1986-03-30T02:25:05Z", "ms": 512533505293.1738 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:42 on Fri 28 Mar to 11:50 on Sat 29 Mar.", "fact": "1986-03-28T18:41:31Z → 1986-03-29T15:49:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:23 on the 28th and 22:25 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 24095 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Friday 28 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": "1986-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-28", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Friday 28 March. Caturthī runs from 14:42 on Fri 28 Mar to 11:50 on Sat 29 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-03-28", "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/1986/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-01", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 27882, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-04-01T04:27:15-04:00", "utc": "1986-04-01T08:27:15Z", "ms": 512728035297.767 }, "end": { "local": "1986-04-02T02:38:16-04:00", "utc": "1986-04-02T06:38:16Z", "ms": 512807896125.41113 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-01T04:27:15-04:00", "utc": "1986-04-01T08:27:15Z", "ms": 512728035297.767 }, "end": { "local": "1986-04-02T02:38:16-04:00", "utc": "1986-04-02T06:38:16Z", "ms": 512807896125.41113 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-01", "window": { "start": { "local": "1986-04-01T12:11:58-04:00", "utc": "1986-04-01T16:11:58Z", "ms": 512755917739.4977 }, "end": { "local": "1986-04-01T12:59:58-04:00", "utc": "1986-04-01T16:59:58Z", "ms": 512758797739.4977 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-02", "window": { "start": { "local": "1986-04-02T12:11:40-04:00", "utc": "1986-04-02T16:11:40Z", "ms": 512842299916.9603 }, "end": { "local": "1986-04-02T12:59:40-04:00", "utc": "1986-04-02T16:59:40Z", "ms": 512845179916.9603 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:27 on Tue 1 Apr to 02:38 on Wed 2 Apr.", "fact": "1986-04-01T08:27:15Z → 1986-04-02T06:38:16Z" }, { "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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 27882 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Valencia, 1986: Tuesday 1 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-01", "confidence": "determinate" } ], "quote": "In Valencia, Śītalāṣṭamī 1986 falls on Tuesday 1 April. Aṣṭamī runs from 04:27 on Tue 1 Apr to 02:38 on Wed 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-04-04", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-04", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22436, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-04-04T00:13:53-04:00", "utc": "1986-04-04T04:13:53Z", "ms": 512972033251.3159 }, "end": { "local": "1986-04-04T23:41:14-04:00", "utc": "1986-04-05T03:41:14Z", "ms": 513056474129.2251 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-04T00:13:53-04:00", "utc": "1986-04-04T04:13:53Z", "ms": 512972033251.3159 }, "end": { "local": "1986-04-04T23:41:14-04:00", "utc": "1986-04-05T03:41:14Z", "ms": 513056474129.2251 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-04-04", "window": { "start": { "local": "1986-04-04T06:27:49-04:00", "utc": "1986-04-04T10:27:49Z", "ms": 512994469169.895 }, "end": { "local": "1986-04-04T06:27:49-04:00", "utc": "1986-04-04T10:27:49Z", "ms": 512994469169.895 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-04-05", "window": { "start": { "local": "1986-04-05T06:27:15-04:00", "utc": "1986-04-05T10:27:15Z", "ms": 513080835116.3734 }, "end": { "local": "1986-04-05T06:27:15-04:00", "utc": "1986-04-05T10:27:15Z", "ms": 513080835116.3734 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-04-05", "start": { "local": "1986-04-05T06:27:15-04:00", "utc": "1986-04-05T10:27:15Z", "ms": 513080835116.3734 }, "end": { "local": "1986-04-05T08:54:16-04:00", "utc": "1986-04-05T12:54:16Z", "ms": 513089656029.7812 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-04-05T23:36:04-04:00", "utc": "1986-04-06T03:36:04Z", "ms": 513142563811.4521 }, "hari_vasara_end": { "local": "1986-04-05T05:39:57-04:00", "utc": "1986-04-05T09:39:57Z", "ms": 513077996549.78186 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:14 on Fri 4 Apr to 23:41 on Fri 4 Apr.", "fact": "1986-04-04T04:13:53Z → 1986-04-05T03:41:14Z" }, { "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 on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 22436 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Valencia, 1986: Friday 4 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-04", "confidence": "determinate" } ], "quote": "In Valencia, Pāpamocanī Ekādaśī 1986 falls on Friday 4 April. Ekādaśī runs from 00:14 on Fri 4 Apr to 23:41 on Fri 4 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-04-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 11989, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-04-05T23:36:04-04:00", "utc": "1986-04-06T03:36:04Z", "ms": 513142563811.4521 }, "end": { "local": "1986-04-06T23:58:51-04:00", "utc": "1986-04-07T03:58:51Z", "ms": 513230330803.3758 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-05T23:36:04-04:00", "utc": "1986-04-06T03:36:04Z", "ms": 513142563811.4521 }, "end": { "local": "1986-04-06T23:58:51-04:00", "utc": "1986-04-07T03:58:51Z", "ms": 513230330803.3758 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-04-05", "window": { "start": { "local": "1986-04-05T18:42:20-04:00", "utc": "1986-04-05T22:42:20Z", "ms": 513124939683.4123 }, "end": { "local": "1986-04-05T20:16:15-04:00", "utc": "1986-04-06T00:16:15Z", "ms": 513130574565.5194 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1986-04-06", "window": { "start": { "local": "1986-04-06T18:42:19-04:00", "utc": "1986-04-06T22:42:19Z", "ms": 513211339233.05646 }, "end": { "local": "1986-04-06T20:16:10-04:00", "utc": "1986-04-07T00:16:10Z", "ms": 513216969700.26624 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:36 on Sat 5 Apr to 23:59 on Sun 6 Apr.", "fact": "1986-04-06T03:36:04Z → 1986-04-07T03:58:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:16 on the 5th, 18:42–20:16 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 5th and 94 of 94 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 11989 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Sunday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-06", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Sunday 6 April. Trayodaśī runs from 23:36 on Sat 5 Apr to 23:59 on Sun 6 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-04-06", "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/1986/shivaratri?on=1986-04-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-06", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 494, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-04-06T23:58:51-04:00", "utc": "1986-04-07T03:58:51Z", "ms": 513230330803.3758 }, "end": { "local": "1986-04-08T00:49:42-04:00", "utc": "1986-04-08T04:49:42Z", "ms": 513319782234.7493 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-06T23:58:51-04:00", "utc": "1986-04-07T03:58:51Z", "ms": 513230330803.3758 }, "end": { "local": "1986-04-08T00:49:42-04:00", "utc": "1986-04-08T04:49:42Z", "ms": 513319782234.7493 } }, "kaala": "nishita", "days": [ { "local_date": "1986-04-06", "window": { "start": { "local": "1986-04-07T00:10:13-04:00", "utc": "1986-04-07T04:10:13Z", "ms": 513231013485.09314 }, "end": { "local": "1986-04-07T00:58:13-04:00", "utc": "1986-04-07T04:58:13Z", "ms": 513233893485.09314 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-07", "window": { "start": { "local": "1986-04-08T00:09:57-04:00", "utc": "1986-04-08T04:09:57Z", "ms": 513317396699.85474 }, "end": { "local": "1986-04-08T00:57:57-04:00", "utc": "1986-04-08T04:57:57Z", "ms": 513320276699.85474 } }, "covered_min": 40, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:59 on Sun 6 Apr to 00:50 on Tue 8 Apr.", "fact": "1986-04-07T03:58:51Z → 1986-04-08T04:49:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 6th, 00:10–00:58 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 6th and 40 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 494 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Sunday 6 April.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-06", "confidence": "boundary" } ], "quote": "In Valencia, Śivarātri 1986 falls on Sunday 6 April. Caturdaśī runs from 23:59 on Sun 6 Apr to 00:50 on Tue 8 Apr and covers all of niśītha that night. It also reaches the next night for 40 minutes; the rule does not say which to take, and the one covered longer is ruled. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-04-06", "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/1986/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-09", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 29812, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-04-09T02:08:08-04:00", "utc": "1986-04-09T06:08:08Z", "ms": 513410887681.1562 }, "end": { "local": "1986-04-10T03:52:32-04:00", "utc": "1986-04-10T07:52:32Z", "ms": 513503552132.39453 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-09T02:08:08-04:00", "utc": "1986-04-09T06:08:08Z", "ms": 513410887681.1562 }, "end": { "local": "1986-04-10T03:52:32-04:00", "utc": "1986-04-10T07:52:32Z", "ms": 513503552132.39453 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-09", "window": { "start": { "local": "1986-04-09T12:09:40-04:00", "utc": "1986-04-09T16:09:40Z", "ms": 513446980194.6908 }, "end": { "local": "1986-04-09T12:57:40-04:00", "utc": "1986-04-09T16:57:40Z", "ms": 513449860194.6908 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-10", "window": { "start": { "local": "1986-04-10T12:09:24-04:00", "utc": "1986-04-10T16:09:24Z", "ms": 513533363995.7398 }, "end": { "local": "1986-04-10T12:57:24-04:00", "utc": "1986-04-10T16:57:24Z", "ms": 513536243995.7398 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:08 on Wed 9 Apr to 03:53 on Thu 10 Apr.", "fact": "1986-04-09T06:08:08Z → 1986-04-10T07:52:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 9th, 12:09–12:57 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 29812 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Valencia, 1986: Wednesday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-09", "confidence": "determinate" } ], "quote": "In Valencia, Navarātrārambha (Caitra) (Chaitra Navratri) 1986 falls on Wednesday 9 April. Pratipadā runs from 02:08 on Wed 9 Apr to 03:53 on Thu 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 13478, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-04-11T05:59:42-04:00", "utc": "1986-04-11T09:59:42Z", "ms": 513597582202.6735 }, "end": { "local": "1986-04-12T08:24:14-04:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-11T05:59:42-04:00", "utc": "1986-04-11T09:59:42Z", "ms": 513597582202.6735 }, "end": { "local": "1986-04-12T08:24:14-04:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-11", "window": { "start": { "local": "1986-04-11T12:09:08-04:00", "utc": "1986-04-11T16:09:08Z", "ms": 513619748066.1267 }, "end": { "local": "1986-04-11T12:57:08-04:00", "utc": "1986-04-11T16:57:08Z", "ms": 513622628066.1267 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-12", "window": { "start": { "local": "1986-04-12T12:08:52-04:00", "utc": "1986-04-12T16:08:52Z", "ms": 513706132419.81665 }, "end": { "local": "1986-04-12T12:56:52-04:00", "utc": "1986-04-12T16:56:52Z", "ms": 513709012419.81665 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:00 on Fri 11 Apr to 08:24 on Sat 12 Apr.", "fact": "1986-04-11T09:59:42Z → 1986-04-12T12:24:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 11th, 12:09–12:57 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 13478 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Valencia, 1986: Friday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-11", "confidence": "determinate" } ], "quote": "In Valencia, Gaurī Tṛtīyā (Gangaur) 1986 falls on Friday 11 April. Tṛtīyā runs from 06:00 on Fri 11 Apr to 08:24 on Sat 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 13478, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-04-11T05:59:42-04:00", "utc": "1986-04-11T09:59:42Z", "ms": 513597582202.6735 }, "end": { "local": "1986-04-12T08:24:14-04:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-11T05:59:42-04:00", "utc": "1986-04-11T09:59:42Z", "ms": 513597582202.6735 }, "end": { "local": "1986-04-12T08:24:14-04:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-11", "window": { "start": { "local": "1986-04-11T12:09:08-04:00", "utc": "1986-04-11T16:09:08Z", "ms": 513619748066.1267 }, "end": { "local": "1986-04-11T12:57:08-04:00", "utc": "1986-04-11T16:57:08Z", "ms": 513622628066.1267 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-12", "window": { "start": { "local": "1986-04-12T12:08:52-04:00", "utc": "1986-04-12T16:08:52Z", "ms": 513706132419.81665 }, "end": { "local": "1986-04-12T12:56:52-04:00", "utc": "1986-04-12T16:56:52Z", "ms": 513709012419.81665 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:00 on Fri 11 Apr to 08:24 on Sat 12 Apr.", "fact": "1986-04-11T09:59:42Z → 1986-04-12T12:24:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 11th, 12:09–12:57 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 13478 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Valencia, 1986: Friday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-11", "confidence": "determinate" } ], "quote": "In Valencia, Saubhāgya Śayana Vrata 1986 falls on Friday 11 April. Tṛtīyā runs from 06:00 on Fri 11 Apr to 08:24 on Sat 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vinayaka-chaturthi?on=1986-04-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-12", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 4222, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-04-12T08:24:14-04:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 }, "end": { "local": "1986-04-13T10:58:15-04:00", "utc": "1986-04-13T14:58:15Z", "ms": 513788295042.13544 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-12T08:24:14-04:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 }, "end": { "local": "1986-04-13T10:58:15-04:00", "utc": "1986-04-13T14:58:15Z", "ms": 513788295042.13544 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-12", "window": { "start": { "local": "1986-04-12T12:08:52-04:00", "utc": "1986-04-12T16:08:52Z", "ms": 513706132419.81665 }, "end": { "local": "1986-04-12T12:56:52-04:00", "utc": "1986-04-12T16:56:52Z", "ms": 513709012419.81665 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-13", "window": { "start": { "local": "1986-04-13T12:08:37-04:00", "utc": "1986-04-13T16:08:37Z", "ms": 513792517070.7173 }, "end": { "local": "1986-04-13T12:56:37-04:00", "utc": "1986-04-13T16:56:37Z", "ms": 513795397070.7173 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:24 on Sat 12 Apr to 10:58 on Sun 13 Apr.", "fact": "1986-04-12T12:24:14Z → 1986-04-13T14:58:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 12th, 12:09–12:57 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 4222 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Saturday 12 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-12", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Saturday 12 April. Caturthī runs from 08:24 on Sat 12 Apr to 10:58 on Sun 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-04-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 40737, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1986-04-13T17:41:50-04:00", "utc": "1986-04-13T21:41:50Z", "ms": 513812509888.06366 }, "end": { "local": "1986-05-14T14:35:06-04:00", "utc": "1986-05-14T18:35:06Z", "ms": 516479705589.7814 } }, "span": { "of": "transit", "start": { "local": "1986-04-13T17:41:50-04:00", "utc": "1986-04-13T21:41:50Z", "ms": 513812509888.06366 }, "end": { "local": "1986-04-13T17:41:50-04:00", "utc": "1986-04-13T21:41:50Z", "ms": 513812509888.06366 } }, "kaala": "day", "days": [ { "local_date": "1986-04-12", "window": { "start": { "local": "1986-04-12T06:23:24-04:00", "utc": "1986-04-12T10:23:24Z", "ms": 513685404384.39453 }, "end": { "local": "1986-04-13T06:22:53-04:00", "utc": "1986-04-13T10:22:53Z", "ms": 513771772729.5527 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "1986-04-13", "window": { "start": { "local": "1986-04-13T06:22:53-04:00", "utc": "1986-04-13T10:22:53Z", "ms": 513771772729.5527 }, "end": { "local": "1986-04-14T06:22:21-04:00", "utc": "1986-04-14T10:22:21Z", "ms": 513858141454.48865 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 17:42 on Sun 13 Apr.", "fact": "1986-04-13T21:41:50Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:23 on the 12th, and from 06:23 on the 13th.", "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 12th.", "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 40737 s" }, { "step": "ruling", "text": "Vaiśākhī, Valencia, 1986: Sunday 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": "1986-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1986-04-13", "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": "1986-04-13", "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 1986 falls on Sunday 13 April. The Sun enters Meṣa at 17:42 on Sun 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 2112, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-04-13T10:58:15-04:00", "utc": "1986-04-13T14:58:15Z", "ms": 513788295042.13544 }, "end": { "local": "1986-04-14T13:31:34-04:00", "utc": "1986-04-14T17:31:34Z", "ms": 513883894256.8131 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-13T10:58:15-04:00", "utc": "1986-04-13T14:58:15Z", "ms": 513788295042.13544 }, "end": { "local": "1986-04-14T13:31:34-04:00", "utc": "1986-04-14T17:31:34Z", "ms": 513883894256.8131 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-13", "window": { "start": { "local": "1986-04-13T12:08:37-04:00", "utc": "1986-04-13T16:08:37Z", "ms": 513792517070.7173 }, "end": { "local": "1986-04-13T12:56:37-04:00", "utc": "1986-04-13T16:56:37Z", "ms": 513795397070.7173 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-14", "window": { "start": { "local": "1986-04-14T12:08:22-04:00", "utc": "1986-04-14T16:08:22Z", "ms": 513878902032.69635 }, "end": { "local": "1986-04-14T12:56:22-04:00", "utc": "1986-04-14T16:56:22Z", "ms": 513881782032.69635 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:58 on Sun 13 Apr to 13:32 on Mon 14 Apr.", "fact": "1986-04-13T14:58:15Z → 1986-04-14T17:31:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 13th, 12:08–12:56 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 2112 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Valencia, 1986: Sunday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-13", "confidence": "determinate" } ], "quote": "In Valencia, Lakṣmī Pañcamī 1986 falls on Sunday 13 April. Pañcamī runs from 10:58 on Sun 13 Apr to 13:32 on Mon 14 Apr 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/1986/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/1986/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-17", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 17589, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-04-16T17:49:02-04:00", "utc": "1986-04-16T21:49:02Z", "ms": 514072142442.09717 }, "end": { "local": "1986-04-17T19:10:44-04:00", "utc": "1986-04-17T23:10:44Z", "ms": 514163443840.3661 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-16T17:49:02-04:00", "utc": "1986-04-16T21:49:02Z", "ms": 514072142442.09717 }, "end": { "local": "1986-04-17T19:10:44-04:00", "utc": "1986-04-17T23:10:44Z", "ms": 514163443840.3661 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-16", "window": { "start": { "local": "1986-04-16T12:07:53-04:00", "utc": "1986-04-16T16:07:53Z", "ms": 514051672945.1542 }, "end": { "local": "1986-04-16T12:55:53-04:00", "utc": "1986-04-16T16:55:53Z", "ms": 514054552945.1542 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-17", "window": { "start": { "local": "1986-04-17T12:07:39-04:00", "utc": "1986-04-17T16:07:39Z", "ms": 514138058923.38513 }, "end": { "local": "1986-04-17T12:55:39-04:00", "utc": "1986-04-17T16:55:39Z", "ms": 514140938923.38513 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:49 on Wed 16 Apr to 19:11 on Thu 17 Apr.", "fact": "1986-04-16T21:49:02Z → 1986-04-17T23:10:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 16th, 12:08–12:56 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 17589 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Valencia, 1986: Thursday 17 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-17", "confidence": "determinate" } ], "quote": "In Valencia, Bhavānī Utpatti 1986 falls on Thursday 17 April. Aṣṭamī runs from 17:49 on Wed 16 Apr to 19:11 on Thu 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-18", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22505, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1986-04-17T19:10:44-04:00", "utc": "1986-04-17T23:10:44Z", "ms": 514163443840.3661 }, "end": { "local": "1986-04-18T19:49:46-04:00", "utc": "1986-04-18T23:49:46Z", "ms": 514252186442.9129 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-17T19:10:44-04:00", "utc": "1986-04-17T23:10:44Z", "ms": 514163443840.3661 }, "end": { "local": "1986-04-18T19:49:46-04:00", "utc": "1986-04-18T23:49:46Z", "ms": 514252186442.9129 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-17", "window": { "start": { "local": "1986-04-17T12:07:39-04:00", "utc": "1986-04-17T16:07:39Z", "ms": 514138058923.38513 }, "end": { "local": "1986-04-17T12:55:39-04:00", "utc": "1986-04-17T16:55:39Z", "ms": 514140938923.38513 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-18", "window": { "start": { "local": "1986-04-18T12:07:25-04:00", "utc": "1986-04-18T16:07:25Z", "ms": 514224445268.1315 }, "end": { "local": "1986-04-18T12:55:25-04:00", "utc": "1986-04-18T16:55:25Z", "ms": 514227325268.1315 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Navamī runs from 19:11 on Thu 17 Apr to 19:50 on Fri 18 Apr.", "fact": "1986-04-17T23:10:44Z → 1986-04-18T23:49:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 17th, 12:07–12:55 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 22505 s" }, { "step": "ruling", "text": "Rāma Navamī, Valencia, 1986: Friday 18 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-18", "confidence": "determinate" } ], "quote": "In Valencia, Rāma Navamī 1986 falls on Friday 18 April. Navamī runs from 19:11 on Thu 17 Apr to 19:50 on Fri 18 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-04-20", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-20", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 38243, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-04-19T19:42:00-04:00", "utc": "1986-04-19T23:42:00Z", "ms": 514338119586.82025 }, "end": { "local": "1986-04-20T18:46:57-04:00", "utc": "1986-04-20T22:46:57Z", "ms": 514421216643.5308 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-19T19:42:00-04:00", "utc": "1986-04-19T23:42:00Z", "ms": 514338119586.82025 }, "end": { "local": "1986-04-20T18:46:57-04:00", "utc": "1986-04-20T22:46:57Z", "ms": 514421216643.5308 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-04-20", "window": { "start": { "local": "1986-04-20T06:19:23-04:00", "utc": "1986-04-20T10:19:23Z", "ms": 514376362774.5451 }, "end": { "local": "1986-04-20T06:19:23-04:00", "utc": "1986-04-20T10:19:23Z", "ms": 514376362774.5451 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-04-21", "window": { "start": { "local": "1986-04-21T06:18:55-04:00", "utc": "1986-04-21T10:18:55Z", "ms": 514462734658.1123 }, "end": { "local": "1986-04-21T06:18:55-04:00", "utc": "1986-04-21T10:18:55Z", "ms": 514462734658.1123 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-04-21", "start": { "local": "1986-04-21T06:18:55-04:00", "utc": "1986-04-21T10:18:55Z", "ms": 514462734658.1123 }, "end": { "local": "1986-04-21T08:47:39-04:00", "utc": "1986-04-21T12:47:39Z", "ms": 514471659452.5042 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-04-21T17:07:30-04:00", "utc": "1986-04-21T21:07:30Z", "ms": 514501650382.94305 }, "hari_vasara_end": { "local": "1986-04-21T00:22:05-04:00", "utc": "1986-04-21T04:22:05Z", "ms": 514441325078.3839 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:42 on Sat 19 Apr to 18:47 on Sun 20 Apr.", "fact": "1986-04-19T23:42:00Z → 1986-04-20T22:46:57Z" }, { "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 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": "one day qualifies → only-day · margin 38243 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Valencia, 1986: Sunday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-20", "confidence": "determinate" } ], "quote": "In Valencia, Kāmadā Ekādaśī 1986 falls on Sunday 20 April. Ekādaśī runs from 19:42 on Sat 19 Apr to 18:47 on Sun 20 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-04-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-21", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 5708, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-04-21T17:07:30-04:00", "utc": "1986-04-21T21:07:30Z", "ms": 514501650382.94305 }, "end": { "local": "1986-04-22T14:49:10-04:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-21T17:07:30-04:00", "utc": "1986-04-21T21:07:30Z", "ms": 514501650382.94305 }, "end": { "local": "1986-04-22T14:49:10-04:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-04-21", "window": { "start": { "local": "1986-04-21T18:42:39-04:00", "utc": "1986-04-21T22:42:39Z", "ms": 514507358630.07184 }, "end": { "local": "1986-04-21T20:15:25-04:00", "utc": "1986-04-22T00:15:25Z", "ms": 514512925088.3023 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1986-04-22", "window": { "start": { "local": "1986-04-22T18:42:42-04:00", "utc": "1986-04-22T22:42:42Z", "ms": 514593762132.3455 }, "end": { "local": "1986-04-22T20:15:25-04:00", "utc": "1986-04-23T00:15:25Z", "ms": 514599324517.39734 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:08 on Mon 21 Apr to 14:49 on Tue 22 Apr.", "fact": "1986-04-21T21:07:30Z → 1986-04-22T18:49:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:15 on the 21st, 18:43–20:15 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 93 of 93 minutes on the 21st and 0 of 93 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 5708 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Monday 21 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-21", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Monday 21 April. Trayodaśī runs from 17:08 on Mon 21 Apr to 14:49 on Tue 22 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-04-21", "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/1986/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-22", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 6876, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-04-21T17:07:30-04:00", "utc": "1986-04-21T21:07:30Z", "ms": 514501650382.94305 }, "end": { "local": "1986-04-22T14:49:10-04:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-21T17:07:30-04:00", "utc": "1986-04-21T21:07:30Z", "ms": 514501650382.94305 }, "end": { "local": "1986-04-22T14:49:10-04:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-21", "window": { "start": { "local": "1986-04-21T12:06:47-04:00", "utc": "1986-04-21T16:06:47Z", "ms": 514483606644.09204 }, "end": { "local": "1986-04-21T12:54:47-04:00", "utc": "1986-04-21T16:54:47Z", "ms": 514486486644.09204 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-22", "window": { "start": { "local": "1986-04-22T12:06:35-04:00", "utc": "1986-04-22T16:06:35Z", "ms": 514569994599.5729 }, "end": { "local": "1986-04-22T12:54:35-04:00", "utc": "1986-04-22T16:54:35Z", "ms": 514572874599.5729 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:08 on Mon 21 Apr to 14:49 on Tue 22 Apr.", "fact": "1986-04-21T21:07:30Z → 1986-04-22T18:49:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 21st, 12:07–12:55 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 6876 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Valencia, 1986: Tuesday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-22", "confidence": "determinate" } ], "quote": "In Valencia, Anaṅga Trayodaśī 1986 falls on Tuesday 22 April. Trayodaśī runs from 17:08 on Mon 21 Apr to 14:49 on Tue 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-23", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 426, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-04-22T14:49:10-04:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 }, "end": { "local": "1986-04-23T11:59:17-04:00", "utc": "1986-04-23T15:59:17Z", "ms": 514655957433.34186 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-22T14:49:10-04:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 }, "end": { "local": "1986-04-23T11:59:17-04:00", "utc": "1986-04-23T15:59:17Z", "ms": 514655957433.34186 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-22", "window": { "start": { "local": "1986-04-22T12:06:35-04:00", "utc": "1986-04-22T16:06:35Z", "ms": 514569994599.5729 }, "end": { "local": "1986-04-22T12:54:35-04:00", "utc": "1986-04-22T16:54:35Z", "ms": 514572874599.5729 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-23", "window": { "start": { "local": "1986-04-23T12:06:23-04:00", "utc": "1986-04-23T16:06:23Z", "ms": 514656382996.202 }, "end": { "local": "1986-04-23T12:54:23-04:00", "utc": "1986-04-23T16:54:23Z", "ms": 514659262996.202 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "basis": { "kind": "stated-fallback", "source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:49 on Tue 22 Apr to 11:59 on Wed 23 Apr.", "fact": "1986-04-22T18:49:10Z → 1986-04-23T15:59:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 22nd, 12:06–12:54 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The source says what then (p. 101): the second day.", "fact": "no day qualifies → second-day, stated: Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 101 · margin 426 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Valencia, 1986: Wednesday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-23", "confidence": "determinate" } ], "quote": "In Valencia, Viṣṇudamanaka Caturdaśī 1986 falls on Wednesday 23 April. Caturdaśī runs from 14:49 on Tue 22 Apr to 11:59 on Wed 23 Apr, and reaches madhyāhna on neither day. For that case the source takes the second day (Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 101).", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-23", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 426, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-04-23T11:59:17-04:00", "utc": "1986-04-23T15:59:17Z", "ms": 514655957433.34186 }, "end": { "local": "1986-04-24T08:46:22-04:00", "utc": "1986-04-24T12:46:22Z", "ms": 514730781703.555 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-23T11:59:17-04:00", "utc": "1986-04-23T15:59:17Z", "ms": 514655957433.34186 }, "end": { "local": "1986-04-24T08:46:22-04:00", "utc": "1986-04-24T12:46:22Z", "ms": 514730781703.555 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-23", "window": { "start": { "local": "1986-04-23T12:06:23-04:00", "utc": "1986-04-23T16:06:23Z", "ms": 514656382996.202 }, "end": { "local": "1986-04-23T12:54:23-04:00", "utc": "1986-04-23T16:54:23Z", "ms": 514659262996.202 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-24", "window": { "start": { "local": "1986-04-24T12:06:12-04:00", "utc": "1986-04-24T16:06:12Z", "ms": 514742771850.19507 }, "end": { "local": "1986-04-24T12:54:12-04:00", "utc": "1986-04-24T16:54:12Z", "ms": 514745651850.19507 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:59 on Wed 23 Apr to 08:46 on Thu 24 Apr.", "fact": "1986-04-23T15:59:17Z → 1986-04-24T12:46:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 23rd, 12:06–12:54 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 426 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Valencia, 1986: Wednesday 23 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-23", "confidence": "determinate" } ], "quote": "In Valencia, Caitrī Pūrṇimā 1986 falls on Wednesday 23 April. Pūrṇimā runs from 11:59 on Wed 23 Apr to 08:46 on Thu 24 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-04-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-04-26", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 4020, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-04-26T22:21:21-04:00", "utc": "1986-04-27T02:21:21Z", "ms": 514952480930.77515 }, "end": { "local": "1986-04-27T19:08:01-04:00", "utc": "1986-04-27T23:08:01Z", "ms": 515027281137.45435 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-04-26T22:21:21-04:00", "utc": "1986-04-27T02:21:21Z", "ms": 514952480930.77515 }, "end": { "local": "1986-04-27T19:08:01-04:00", "utc": "1986-04-27T23:08:01Z", "ms": 515027281137.45435 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-04-26", "window": { "start": { "local": "1986-04-26T21:14:21-04:00", "utc": "1986-04-27T01:14:21Z", "ms": 514948460609.4968 }, "end": { "local": "1986-04-26T21:14:21-04:00", "utc": "1986-04-27T01:14:21Z", "ms": 514948460609.4968 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-04-27", "window": { "start": { "local": "1986-04-27T22:21:00-04:00", "utc": "1986-04-28T02:21:00Z", "ms": 515038860094.26086 }, "end": { "local": "1986-04-27T22:21:00-04:00", "utc": "1986-04-28T02:21:00Z", "ms": 515038860094.26086 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:21 on Sat 26 Apr to 19:08 on Sun 27 Apr.", "fact": "1986-04-27T02:21:21Z → 1986-04-27T23:08:01Z" }, { "step": "kaala", "text": "Moonrise is at 21:14 on the 26th and 22:21 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies, and the source does not say what then. The day the tithi falls on is taken, as a boundary.", "fact": "no day qualifies → tithi-day, the ruleset's fallback · margin 4020 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Saturday 26 April.", "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": "1986-04-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-26", "confidence": "boundary" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Saturday 26 April. Caturthī runs from 22:21 on Sat 26 Apr to 19:08 on Sun 27 Apr, and is current at moonrise on neither day. The rule does not say what then; the day Caturthī falls on is taken. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/ekadashi?on=1986-05-04", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-04", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 14847, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-05-03T10:21:31-04:00", "utc": "1986-05-03T14:21:31Z", "ms": 515514090815.25916 }, "end": { "local": "1986-05-04T11:01:45-04:00", "utc": "1986-05-04T15:01:45Z", "ms": 515602904716.2385 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-03T10:21:31-04:00", "utc": "1986-05-03T14:21:31Z", "ms": 515514090815.25916 }, "end": { "local": "1986-05-04T11:01:45-04:00", "utc": "1986-05-04T15:01:45Z", "ms": 515602904716.2385 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-05-03", "window": { "start": { "local": "1986-05-03T06:14:04-04:00", "utc": "1986-05-03T10:14:04Z", "ms": 515499243688.576 }, "end": { "local": "1986-05-03T06:14:04-04:00", "utc": "1986-05-03T10:14:04Z", "ms": 515499243688.576 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-05-04", "window": { "start": { "local": "1986-05-04T06:13:44-04:00", "utc": "1986-05-04T10:13:44Z", "ms": 515585623818.8876 }, "end": { "local": "1986-05-04T06:13:44-04:00", "utc": "1986-05-04T10:13:44Z", "ms": 515585623818.8876 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-05-05", "start": { "local": "1986-05-05T06:13:25-04:00", "utc": "1986-05-05T10:13:25Z", "ms": 515672004680.5473 }, "end": { "local": "1986-05-05T08:43:32-04:00", "utc": "1986-05-05T12:43:32Z", "ms": 515681012124.30304 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-05-05T12:13:41-04:00", "utc": "1986-05-05T16:13:41Z", "ms": 515693620714.117 }, "hari_vasara_end": { "local": "1986-05-04T17:19:44-04:00", "utc": "1986-05-04T21:19:44Z", "ms": 515625583715.7081 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:22 on Sat 3 May to 11:02 on Sun 4 May.", "fact": "1986-05-03T14:21:31Z → 1986-05-04T15:01:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 3rd and 06:14 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is 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": "one day qualifies → only-day · margin 14847 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Valencia, 1986: Sunday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-04", "confidence": "determinate" } ], "quote": "In Valencia, Varūthinī Ekādaśī 1986 falls on Sunday 4 May. Ekādaśī runs from 10:22 on Sat 3 May to 11:02 on Sun 4 May and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-05-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-05", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 17502, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-05-05T12:13:41-04:00", "utc": "1986-05-05T16:13:41Z", "ms": 515693620714.117 }, "end": { "local": "1986-05-06T13:52:29-04:00", "utc": "1986-05-06T17:52:29Z", "ms": 515785948893.7336 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-05T12:13:41-04:00", "utc": "1986-05-05T16:13:41Z", "ms": 515693620714.117 }, "end": { "local": "1986-05-06T13:52:29-04:00", "utc": "1986-05-06T17:52:29Z", "ms": 515785948893.7336 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-05-05", "window": { "start": { "local": "1986-05-05T18:44:02-04:00", "utc": "1986-05-05T22:44:02Z", "ms": 515717041899.3259 }, "end": { "local": "1986-05-05T20:15:54-04:00", "utc": "1986-05-06T00:15:54Z", "ms": 515722554483.60223 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1986-05-06", "window": { "start": { "local": "1986-05-06T18:44:11-04:00", "utc": "1986-05-06T22:44:11Z", "ms": 515803450840.6865 }, "end": { "local": "1986-05-06T20:16:00-04:00", "utc": "1986-05-07T00:16:00Z", "ms": 515808959879.0356 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:14 on Mon 5 May to 13:52 on Tue 6 May.", "fact": "1986-05-05T16:13:41Z → 1986-05-06T17:52:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:16 on the 5th, 18:44–20:16 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 5th and 0 of 92 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 17502 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Monday 5 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-05", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Monday 5 May. Trayodaśī runs from 12:14 on Mon 5 May to 13:52 on Tue 6 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-05-05", "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/1986/shivaratri?on=1986-05-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 29491, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-05-06T13:52:29-04:00", "utc": "1986-05-06T17:52:29Z", "ms": 515785948893.7336 }, "end": { "local": "1986-05-07T15:52:55-04:00", "utc": "1986-05-07T19:52:55Z", "ms": 515879575008.7445 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-06T13:52:29-04:00", "utc": "1986-05-06T17:52:29Z", "ms": 515785948893.7336 }, "end": { "local": "1986-05-07T15:52:55-04:00", "utc": "1986-05-07T19:52:55Z", "ms": 515879575008.7445 } }, "kaala": "nishita", "days": [ { "local_date": "1986-05-06", "window": { "start": { "local": "1986-05-07T00:04:30-04:00", "utc": "1986-05-07T04:04:30Z", "ms": 515822669734.4956 }, "end": { "local": "1986-05-07T00:52:30-04:00", "utc": "1986-05-07T04:52:30Z", "ms": 515825549734.4956 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-05-07", "window": { "start": { "local": "1986-05-08T00:04:26-04:00", "utc": "1986-05-08T04:04:26Z", "ms": 515909065952.56976 }, "end": { "local": "1986-05-08T00:52:26-04:00", "utc": "1986-05-08T04:52:26Z", "ms": 515911945952.56976 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:52 on Tue 6 May to 15:53 on Wed 7 May.", "fact": "1986-05-06T17:52:29Z → 1986-05-07T19:52:55Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 6th, 00:04–00:52 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 29491 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Tuesday 6 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-06", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Tuesday 6 May. Caturdaśī runs from 13:52 on Tue 6 May to 15:53 on Wed 7 May and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-05-06", "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/1986/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 16320, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-05-10T23:09:11-04:00", "utc": "1986-05-11T03:09:11Z", "ms": 516164951374.12177 }, "end": { "local": "1986-05-12T01:39:32-04:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-10T23:09:11-04:00", "utc": "1986-05-11T03:09:11Z", "ms": 516164951374.12177 }, "end": { "local": "1986-05-12T01:39:32-04:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 } }, "kaala": "purvahna", "days": [ { "local_date": "1986-05-11", "window": { "start": { "local": "1986-05-11T06:11:46-04:00", "utc": "1986-05-11T10:11:46Z", "ms": 516190305584.08704 }, "end": { "local": "1986-05-11T10:22:51-04:00", "utc": "1986-05-11T14:22:51Z", "ms": 516205370841.64185 } }, "covered_min": 251, "window_min": 251, "qualifies": true }, { "local_date": "1986-05-12", "window": { "start": { "local": "1986-05-12T06:11:32-04:00", "utc": "1986-05-12T10:11:32Z", "ms": 516276691735.6224 }, "end": { "local": "1986-05-12T10:22:45-04:00", "utc": "1986-05-12T14:22:45Z", "ms": 516291765347.04877 } }, "covered_min": 0, "window_min": 251, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:09 on Sat 10 May to 01:40 on Mon 12 May.", "fact": "1986-05-11T03:09:11Z → 1986-05-12T05:39:32Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:12–10:23 on the 11th, 06:12–10:23 on the 12th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 251 of 251 minutes on the 11th and 0 of 251 on the 12th.", "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": "one day qualifies → only-day · margin 16320 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Valencia, 1986: Sunday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-11", "confidence": "determinate" } ], "quote": "In Valencia, Akṣaya Tṛtīyā 1986 falls on Sunday 11 May. Tṛtīyā runs from 23:09 on Sat 10 May to 01:40 on Mon 12 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 10366, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-05-10T23:09:11-04:00", "utc": "1986-05-11T03:09:11Z", "ms": 516164951374.12177 }, "end": { "local": "1986-05-12T01:39:32-04:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-10T23:09:11-04:00", "utc": "1986-05-11T03:09:11Z", "ms": 516164951374.12177 }, "end": { "local": "1986-05-12T01:39:32-04:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-05-10", "window": { "start": { "local": "1986-05-10T18:44:51-04:00", "utc": "1986-05-10T22:44:51Z", "ms": 516149090502.4569 }, "end": { "local": "1986-05-10T20:16:26-04:00", "utc": "1986-05-11T00:16:26Z", "ms": 516154585846.67426 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1986-05-11", "window": { "start": { "local": "1986-05-11T18:45:01-04:00", "utc": "1986-05-11T22:45:01Z", "ms": 516235501356.7515 }, "end": { "local": "1986-05-11T20:16:33-04:00", "utc": "1986-05-12T00:16:33Z", "ms": 516240993407.26764 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:09 on Sat 10 May to 01:40 on Mon 12 May.", "fact": "1986-05-11T03:09:11Z → 1986-05-12T05:39:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:16 on the 10th, 18:45–20:17 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 92 minutes on the 10th and 92 of 92 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 10366 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Valencia, 1986: Sunday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-11", "confidence": "determinate" } ], "quote": "In Valencia, Paraśurāma Jayantī 1986 falls on Sunday 11 May. Tṛtīyā runs from 23:09 on Sat 10 May to 01:40 on Mon 12 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vinayaka-chaturthi?on=1986-05-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-12", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 29032, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-05-12T01:39:32-04:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 }, "end": { "local": "1986-05-13T04:00:29-04:00", "utc": "1986-05-13T08:00:29Z", "ms": 516355229036.82697 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-12T01:39:32-04:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 }, "end": { "local": "1986-05-13T04:00:29-04:00", "utc": "1986-05-13T08:00:29Z", "ms": 516355229036.82697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-12", "window": { "start": { "local": "1986-05-12T12:04:22-04:00", "utc": "1986-05-12T16:04:22Z", "ms": 516297862152.76196 }, "end": { "local": "1986-05-12T12:52:22-04:00", "utc": "1986-05-12T16:52:22Z", "ms": 516300742152.76196 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-05-13", "window": { "start": { "local": "1986-05-13T12:04:21-04:00", "utc": "1986-05-13T16:04:21Z", "ms": 516384261395.35315 }, "end": { "local": "1986-05-13T12:52:21-04:00", "utc": "1986-05-13T16:52:21Z", "ms": 516387141395.35315 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:40 on Mon 12 May to 04:00 on Tue 13 May.", "fact": "1986-05-12T05:39:32Z → 1986-05-13T08:00:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 12th, 12:04–12:52 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 29032 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Monday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-12", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Monday 12 May. Caturthī runs from 01:40 on Mon 12 May to 04:00 on Tue 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 21637, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-05-13T04:00:29-04:00", "utc": "1986-05-13T08:00:29Z", "ms": 516355229036.82697 }, "end": { "local": "1986-05-14T06:03:44-04:00", "utc": "1986-05-14T10:03:44Z", "ms": 516449024308.0617 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-13T04:00:29-04:00", "utc": "1986-05-13T08:00:29Z", "ms": 516355229036.82697 }, "end": { "local": "1986-05-14T06:03:44-04:00", "utc": "1986-05-14T10:03:44Z", "ms": 516449024308.0617 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-13", "window": { "start": { "local": "1986-05-13T12:04:21-04:00", "utc": "1986-05-13T16:04:21Z", "ms": 516384261395.35315 }, "end": { "local": "1986-05-13T12:52:21-04:00", "utc": "1986-05-13T16:52:21Z", "ms": 516387141395.35315 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-05-14", "window": { "start": { "local": "1986-05-14T12:04:21-04:00", "utc": "1986-05-14T16:04:21Z", "ms": 516470661194.26355 }, "end": { "local": "1986-05-14T12:52:21-04:00", "utc": "1986-05-14T16:52:21Z", "ms": 516473541194.26355 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:00 on Tue 13 May to 06:04 on Wed 14 May.", "fact": "1986-05-13T08:00:29Z → 1986-05-14T10:03:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 13th, 12:04–12:52 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 21637 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Valencia, 1986: Tuesday 13 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-13", "confidence": "determinate" } ], "quote": "In Valencia, Śaṅkara Jayantī 1986 falls on Tuesday 13 May. Pañcamī runs from 04:00 on Tue 13 May to 06:04 on Wed 14 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-15", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 12063, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-05-15T07:40:42-04:00", "utc": "1986-05-15T11:40:42Z", "ms": 516541241590.79297 }, "end": { "local": "1986-05-16T08:43:20-04:00", "utc": "1986-05-16T12:43:20Z", "ms": 516631399710.1787 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-15T07:40:42-04:00", "utc": "1986-05-15T11:40:42Z", "ms": 516541241590.79297 }, "end": { "local": "1986-05-16T08:43:20-04:00", "utc": "1986-05-16T12:43:20Z", "ms": 516631399710.1787 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-15", "window": { "start": { "local": "1986-05-15T12:04:22-04:00", "utc": "1986-05-15T16:04:22Z", "ms": 516557061545.1254 }, "end": { "local": "1986-05-15T12:52:22-04:00", "utc": "1986-05-15T16:52:22Z", "ms": 516559941545.1254 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-05-16", "window": { "start": { "local": "1986-05-16T12:04:22-04:00", "utc": "1986-05-16T16:04:22Z", "ms": 516643462443.2117 }, "end": { "local": "1986-05-16T12:52:22-04:00", "utc": "1986-05-16T16:52:22Z", "ms": 516646342443.2117 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:41 on Thu 15 May to 08:43 on Fri 16 May.", "fact": "1986-05-15T11:40:42Z → 1986-05-16T12:43:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 15th, 12:04–12:52 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 12063 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Valencia, 1986: Thursday 15 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-15", "confidence": "determinate" } ], "quote": "In Valencia, Gaṅgotpatti (Ganga Saptami) 1986 falls on Thursday 15 May. Saptamī runs from 07:41 on Thu 15 May to 08:43 on Fri 16 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-05-19", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-19", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1796, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-05-19T07:33:19-04:00", "utc": "1986-05-19T11:33:19Z", "ms": 516886398837.7641 }, "end": { "local": "1986-05-20T05:40:13-04:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-19T07:33:19-04:00", "utc": "1986-05-19T11:33:19Z", "ms": 516886398837.7641 }, "end": { "local": "1986-05-20T05:40:13-04:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-05-19", "window": { "start": { "local": "1986-05-19T06:10:16-04:00", "utc": "1986-05-19T10:10:16Z", "ms": 516881416474.9134 }, "end": { "local": "1986-05-19T06:10:16-04:00", "utc": "1986-05-19T10:10:16Z", "ms": 516881416474.9134 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-05-20", "window": { "start": { "local": "1986-05-20T06:10:09-04:00", "utc": "1986-05-20T10:10:09Z", "ms": 516967808833.20026 }, "end": { "local": "1986-05-20T06:10:09-04:00", "utc": "1986-05-20T10:10:09Z", "ms": 516967808833.20026 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "basis": { "kind": "stated-fallback", "source": { "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." } }, "parana": { "local_date": "1986-05-20", "start": { "local": "1986-05-20T13:44:12-04:00", "utc": "1986-05-20T17:44:12Z", "ms": 516995051922.9629 }, "end": { "local": "1986-05-20T16:15:33-04:00", "utc": "1986-05-20T20:15:33Z", "ms": 517004132952.8838 }, "basis": "aparahna", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-05-21T03:07:25-04:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 }, "hari_vasara_end": { "local": "1986-05-20T11:02:01-04:00", "utc": "1986-05-20T15:02:01Z", "ms": 516985321283.3148 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:33 on Mon 19 May to 05:40 on Tue 20 May.", "fact": "1986-05-19T11:33:19Z → 1986-05-20T09:40:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 19th and 06:10 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The source says what then (p. 105): the day the tithi falls on.", "fact": "no day qualifies → tithi-day, stated: Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105 · margin 1796 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Valencia, 1986: Monday 19 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-19", "confidence": "determinate" } ], "quote": "In Valencia, Mohinī Ekādaśī 1986 falls on Monday 19 May. Ekādaśī runs from 07:33 on Mon 19 May to 05:40 on Tue 20 May, and is current at sunrise on neither day. For that case the source takes the day the tithi falls on (Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105).", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-20", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 23058, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-05-20T05:40:13-04:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "end": { "local": "1986-05-21T03:07:25-04:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-20T05:40:13-04:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "end": { "local": "1986-05-21T03:07:25-04:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-20", "window": { "start": { "local": "1986-05-20T12:04:31-04:00", "utc": "1986-05-20T16:04:31Z", "ms": 516989071408.00244 }, "end": { "local": "1986-05-20T12:52:31-04:00", "utc": "1986-05-20T16:52:31Z", "ms": 516991951408.00244 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-05-21", "window": { "start": { "local": "1986-05-21T12:04:35-04:00", "utc": "1986-05-21T16:04:35Z", "ms": 517075474968.4682 }, "end": { "local": "1986-05-21T12:52:35-04:00", "utc": "1986-05-21T16:52:35Z", "ms": 517078354968.4682 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:40 on Tue 20 May to 03:07 on Wed 21 May.", "fact": "1986-05-20T09:40:13Z → 1986-05-21T07:07:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 20th, 12:05–12:53 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 23058 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Valencia, 1986: Tuesday 20 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-20", "confidence": "determinate" } ], "quote": "In Valencia, Paraśurāma Dvādaśī 1986 falls on Tuesday 20 May. Dvādaśī runs from 05:40 on Tue 20 May to 03:07 on Wed 21 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-20", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 23058, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-05-20T05:40:13-04:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "end": { "local": "1986-05-21T03:07:25-04:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-20T05:40:13-04:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "end": { "local": "1986-05-21T03:07:25-04:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-20", "window": { "start": { "local": "1986-05-20T12:04:31-04:00", "utc": "1986-05-20T16:04:31Z", "ms": 516989071408.00244 }, "end": { "local": "1986-05-20T12:52:31-04:00", "utc": "1986-05-20T16:52:31Z", "ms": 516991951408.00244 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-05-21", "window": { "start": { "local": "1986-05-21T12:04:35-04:00", "utc": "1986-05-21T16:04:35Z", "ms": 517075474968.4682 }, "end": { "local": "1986-05-21T12:52:35-04:00", "utc": "1986-05-21T16:52:35Z", "ms": 517078354968.4682 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:40 on Tue 20 May to 03:07 on Wed 21 May.", "fact": "1986-05-20T09:40:13Z → 1986-05-21T07:07:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 20th, 12:05–12:53 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 23058 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Valencia, 1986: Tuesday 20 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-20", "confidence": "determinate" } ], "quote": "In Valencia, Rukmiṇī Dvādaśī 1986 falls on Tuesday 20 May. Dvādaśī runs from 05:40 on Tue 20 May to 03:07 on Wed 21 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/pradosha-vrata?on=1986-05-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-21", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 13402, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-05-21T03:07:25-04:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 }, "end": { "local": "1986-05-22T00:01:32-04:00", "utc": "1986-05-22T04:01:32Z", "ms": 517118492106.86633 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-21T03:07:25-04:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 }, "end": { "local": "1986-05-22T00:01:32-04:00", "utc": "1986-05-22T04:01:32Z", "ms": 517118492106.86633 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-05-20", "window": { "start": { "local": "1986-05-20T18:46:54-04:00", "utc": "1986-05-20T22:46:54Z", "ms": 517013213982.8047 }, "end": { "local": "1986-05-20T20:17:59-04:00", "utc": "1986-05-21T00:17:59Z", "ms": 517018679047.95135 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1986-05-21", "window": { "start": { "local": "1986-05-21T18:47:08-04:00", "utc": "1986-05-21T22:47:08Z", "ms": 517099627965.53186 }, "end": { "local": "1986-05-21T20:18:10-04:00", "utc": "1986-05-22T00:18:10Z", "ms": 517105090355.54877 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:07 on Wed 21 May to 00:02 on Thu 22 May.", "fact": "1986-05-21T07:07:25Z → 1986-05-22T04:01:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:18 on the 20th, 18:47–20:18 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 20th and 91 of 91 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 13402 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Wednesday 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": "1986-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-21", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Wednesday 21 May. Trayodaśī runs from 03:07 on Wed 21 May to 00:02 on Thu 22 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-05-21", "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/1986/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-22", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 748, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-05-22T00:01:32-04:00", "utc": "1986-05-22T04:01:32Z", "ms": 517118492106.86633 }, "end": { "local": "1986-05-22T20:30:50-04:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-22T00:01:32-04:00", "utc": "1986-05-22T04:01:32Z", "ms": 517118492106.86633 }, "end": { "local": "1986-05-22T20:30:50-04:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-05-21", "window": { "start": { "local": "1986-05-21T18:47:08-04:00", "utc": "1986-05-21T22:47:08Z", "ms": 517099627965.53186 }, "end": { "local": "1986-05-21T20:18:10-04:00", "utc": "1986-05-22T00:18:10Z", "ms": 517105090355.54877 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1986-05-22", "window": { "start": { "local": "1986-05-22T18:47:22-04:00", "utc": "1986-05-22T22:47:22Z", "ms": 517186042205.8207 }, "end": { "local": "1986-05-22T20:18:22-04:00", "utc": "1986-05-23T00:18:22Z", "ms": 517191501990.66833 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:02 on Thu 22 May to 20:31 on Thu 22 May.", "fact": "1986-05-22T04:01:32Z → 1986-05-23T00:30:50Z" }, { "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": "Caturdaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 21st and 91 of 91 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 748 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Valencia, 1986: Thursday 22 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-22", "confidence": "determinate" } ], "quote": "In Valencia, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1986 falls on Thursday 22 May. Caturdaśī runs from 00:02 on Thu 22 May to 20:31 on Thu 22 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-23", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 13920, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-05-22T20:30:50-04:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "end": { "local": "1986-05-23T16:44:44-04:00", "utc": "1986-05-23T20:44:44Z", "ms": 517265084067.2855 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-22T20:30:50-04:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "end": { "local": "1986-05-23T16:44:44-04:00", "utc": "1986-05-23T20:44:44Z", "ms": 517265084067.2855 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-22", "window": { "start": { "local": "1986-05-22T12:04:39-04:00", "utc": "1986-05-22T16:04:39Z", "ms": 517161879048.23975 }, "end": { "local": "1986-05-22T12:52:39-04:00", "utc": "1986-05-22T16:52:39Z", "ms": 517164759048.23975 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-05-23", "window": { "start": { "local": "1986-05-23T12:04:44-04:00", "utc": "1986-05-23T16:04:44Z", "ms": 517248283643.5313 }, "end": { "local": "1986-05-23T12:52:44-04:00", "utc": "1986-05-23T16:52:44Z", "ms": 517251163643.5313 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:31 on Thu 22 May to 16:45 on Fri 23 May.", "fact": "1986-05-23T00:30:50Z → 1986-05-23T20:44:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 22nd, 12:05–12:53 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 13920 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Valencia, 1986: Friday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-23", "confidence": "determinate" } ], "quote": "In Valencia, Buddha Pūrṇimā 1986 falls on Friday 23 May. Pūrṇimā runs from 20:31 on Thu 22 May to 16:45 on Fri 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-23", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 13920, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-05-22T20:30:50-04:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "end": { "local": "1986-05-23T16:44:44-04:00", "utc": "1986-05-23T20:44:44Z", "ms": 517265084067.2855 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-22T20:30:50-04:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "end": { "local": "1986-05-23T16:44:44-04:00", "utc": "1986-05-23T20:44:44Z", "ms": 517265084067.2855 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-22", "window": { "start": { "local": "1986-05-22T12:04:39-04:00", "utc": "1986-05-22T16:04:39Z", "ms": 517161879048.23975 }, "end": { "local": "1986-05-22T12:52:39-04:00", "utc": "1986-05-22T16:52:39Z", "ms": 517164759048.23975 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-05-23", "window": { "start": { "local": "1986-05-23T12:04:44-04:00", "utc": "1986-05-23T16:04:44Z", "ms": 517248283643.5313 }, "end": { "local": "1986-05-23T12:52:44-04:00", "utc": "1986-05-23T16:52:44Z", "ms": 517251163643.5313 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:31 on Thu 22 May to 16:45 on Fri 23 May.", "fact": "1986-05-23T00:30:50Z → 1986-05-23T20:44:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 22nd, 12:05–12:53 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 13920 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Valencia, 1986: Friday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-23", "confidence": "determinate" } ], "quote": "In Valencia, Sampat Gaurī Vrata 1986 falls on Friday 23 May. Pūrṇimā runs from 20:31 on Thu 22 May to 16:45 on Fri 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-05-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-05-26", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 15533, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-05-26T05:36:24-04:00", "utc": "1986-05-26T09:36:24Z", "ms": 517484184399.5019 }, "end": { "local": "1986-05-27T02:31:11-04:00", "utc": "1986-05-27T06:31:11Z", "ms": 517559470673.63153 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-26T05:36:24-04:00", "utc": "1986-05-26T09:36:24Z", "ms": 517484184399.5019 }, "end": { "local": "1986-05-27T02:31:11-04:00", "utc": "1986-05-27T06:31:11Z", "ms": 517559470673.63153 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-05-25", "window": { "start": { "local": "1986-05-25T21:08:10-04:00", "utc": "1986-05-26T01:08:10Z", "ms": 517453689836.7743 }, "end": { "local": "1986-05-25T21:08:10-04:00", "utc": "1986-05-26T01:08:10Z", "ms": 517453689836.7743 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-05-26", "window": { "start": { "local": "1986-05-26T22:12:17-04:00", "utc": "1986-05-27T02:12:17Z", "ms": 517543937338.0972 }, "end": { "local": "1986-05-26T22:12:17-04:00", "utc": "1986-05-27T02:12:17Z", "ms": 517543937338.0972 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:36 on Mon 26 May to 02:31 on Tue 27 May.", "fact": "1986-05-26T09:36:24Z → 1986-05-27T06:31:11Z" }, { "step": "kaala", "text": "Moonrise is at 21:08 on the 25th and 22:12 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.", "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": "one day qualifies → only-day · margin 15533 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Monday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-26", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Monday 26 May. Caturthī runs from 05:36 on Mon 26 May to 02:31 on Tue 27 May and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/ekadashi?on=1986-06-02", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-02", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 20825, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-06-01T22:36:45-04:00", "utc": "1986-06-02T02:36:45Z", "ms": 518063805492.0132 }, "end": { "local": "1986-06-03T00:22:39-04:00", "utc": "1986-06-03T04:22:39Z", "ms": 518156558689.977 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-01T22:36:45-04:00", "utc": "1986-06-02T02:36:45Z", "ms": 518063805492.0132 }, "end": { "local": "1986-06-03T00:22:39-04:00", "utc": "1986-06-03T04:22:39Z", "ms": 518156558689.977 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-06-02", "window": { "start": { "local": "1986-06-02T06:09:40-04:00", "utc": "1986-06-02T10:09:40Z", "ms": 518090980331.5518 }, "end": { "local": "1986-06-02T06:09:40-04:00", "utc": "1986-06-02T10:09:40Z", "ms": 518090980331.5518 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-06-03", "window": { "start": { "local": "1986-06-03T06:09:43-04:00", "utc": "1986-06-03T10:09:43Z", "ms": 518177383438.55927 }, "end": { "local": "1986-06-03T06:09:43-04:00", "utc": "1986-06-03T10:09:43Z", "ms": 518177383438.55927 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-06-03", "start": { "local": "1986-06-03T06:55:11-04:00", "utc": "1986-06-03T10:55:11Z", "ms": 518180110823.9426 }, "end": { "local": "1986-06-03T08:41:53-04:00", "utc": "1986-06-03T12:41:53Z", "ms": 518186512526.22046 }, "basis": "hari-vasara", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-06-04T02:32:47-04:00", "utc": "1986-06-04T06:32:47Z", "ms": 518250767225.83966 }, "hari_vasara_end": { "local": "1986-06-03T06:55:11-04:00", "utc": "1986-06-03T10:55:11Z", "ms": 518180110823.9426 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:37 on Sun 1 Jun to 00:23 on Tue 3 Jun.", "fact": "1986-06-02T02:36:45Z → 1986-06-03T04:22:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 2nd and 06:10 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 20825 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Valencia, 1986: Monday 2 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-02", "confidence": "determinate" } ], "quote": "In Valencia, Aparā Ekādaśī 1986 falls on Monday 2 June. Ekādaśī runs from 22:37 on Sun 1 Jun to 00:23 on Tue 3 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-06-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-04", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22304, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-06-04T02:32:47-04:00", "utc": "1986-06-04T06:32:47Z", "ms": 518250767225.83966 }, "end": { "local": "1986-06-05T04:57:52-04:00", "utc": "1986-06-05T08:57:52Z", "ms": 518345871603.38196 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-04T02:32:47-04:00", "utc": "1986-06-04T06:32:47Z", "ms": 518250767225.83966 }, "end": { "local": "1986-06-05T04:57:52-04:00", "utc": "1986-06-05T08:57:52Z", "ms": 518345871603.38196 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-06-03", "window": { "start": { "local": "1986-06-03T18:50:29-04:00", "utc": "1986-06-03T22:50:29Z", "ms": 518223028876.8652 }, "end": { "local": "1986-06-03T20:21:03-04:00", "utc": "1986-06-04T00:21:03Z", "ms": 518228463326.604 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1986-06-04", "window": { "start": { "local": "1986-06-04T18:50:45-04:00", "utc": "1986-06-04T22:50:45Z", "ms": 518309445222.6601 }, "end": { "local": "1986-06-04T20:21:18-04:00", "utc": "1986-06-05T00:21:18Z", "ms": 518314878092.8466 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:33 on Wed 4 Jun to 04:58 on Thu 5 Jun.", "fact": "1986-06-04T06:32:47Z → 1986-06-05T08:57:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:21 on the 3rd, 18:51–20:21 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 3rd and 91 of 91 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 22304 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Wednesday 4 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-04", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Wednesday 4 June. Trayodaśī runs from 02:33 on Wed 4 Jun to 04:58 on Thu 5 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/shivaratri?on=1986-06-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-05", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 14613, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-06-05T04:57:52-04:00", "utc": "1986-06-05T08:57:52Z", "ms": 518345871603.38196 }, "end": { "local": "1986-06-06T07:29:25-04:00", "utc": "1986-06-06T11:29:25Z", "ms": 518441365039.29834 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-05T04:57:52-04:00", "utc": "1986-06-05T08:57:52Z", "ms": 518345871603.38196 }, "end": { "local": "1986-06-06T07:29:25-04:00", "utc": "1986-06-06T11:29:25Z", "ms": 518441365039.29834 } }, "kaala": "nishita", "days": [ { "local_date": "1986-06-04", "window": { "start": { "local": "1986-06-05T00:06:18-04:00", "utc": "1986-06-05T04:06:18Z", "ms": 518328378485.8595 }, "end": { "local": "1986-06-05T00:54:18-04:00", "utc": "1986-06-05T04:54:18Z", "ms": 518331258485.8595 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-06-05", "window": { "start": { "local": "1986-06-06T00:06:29-04:00", "utc": "1986-06-06T04:06:29Z", "ms": 518414789251.7676 }, "end": { "local": "1986-06-06T00:54:29-04:00", "utc": "1986-06-06T04:54:29Z", "ms": 518417669251.7676 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:58 on Thu 5 Jun to 07:29 on Fri 6 Jun.", "fact": "1986-06-05T08:57:52Z → 1986-06-06T11:29:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:06–00:54 on the 4th, 00:06–00:54 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 14613 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Thursday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-05", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Thursday 5 June. Caturdaśī runs from 04:58 on Thu 5 Jun to 07:29 on Fri 6 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-06-05", "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/1986/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-10", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 6204, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-06-09T14:38:35-04:00", "utc": "1986-06-09T18:38:35Z", "ms": 518726315361.74066 }, "end": { "local": "1986-06-10T16:36:25-04:00", "utc": "1986-06-10T20:36:25Z", "ms": 518819784625.00916 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-09T14:38:35-04:00", "utc": "1986-06-09T18:38:35Z", "ms": 518726315361.74066 }, "end": { "local": "1986-06-10T16:36:25-04:00", "utc": "1986-06-10T20:36:25Z", "ms": 518819784625.00916 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-09", "window": { "start": { "local": "1986-06-09T12:07:11-04:00", "utc": "1986-06-09T16:07:11Z", "ms": 518717231463.5747 }, "end": { "local": "1986-06-09T12:55:11-04:00", "utc": "1986-06-09T16:55:11Z", "ms": 518720111463.5747 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-06-10", "window": { "start": { "local": "1986-06-10T12:07:23-04:00", "utc": "1986-06-10T16:07:23Z", "ms": 518803643312.64734 }, "end": { "local": "1986-06-10T12:55:23-04:00", "utc": "1986-06-10T16:55:23Z", "ms": 518806523312.64734 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:39 on Mon 9 Jun to 16:36 on Tue 10 Jun.", "fact": "1986-06-09T18:38:35Z → 1986-06-10T20:36:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 9th, 12:07–12:55 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 6204 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Valencia, 1986: Tuesday 10 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-10", "confidence": "determinate" } ], "quote": "In Valencia, Rambhā Tṛtīyā 1986 falls on Tuesday 10 June. Tṛtīyā runs from 14:39 on Mon 9 Jun to 16:36 on Tue 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vinayaka-chaturthi?on=1986-06-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 13261, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-06-10T16:36:25-04:00", "utc": "1986-06-10T20:36:25Z", "ms": 518819784625.00916 }, "end": { "local": "1986-06-11T18:13:47-04:00", "utc": "1986-06-11T22:13:47Z", "ms": 518912027067.99835 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-10T16:36:25-04:00", "utc": "1986-06-10T20:36:25Z", "ms": 518819784625.00916 }, "end": { "local": "1986-06-11T18:13:47-04:00", "utc": "1986-06-11T22:13:47Z", "ms": 518912027067.99835 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-10", "window": { "start": { "local": "1986-06-10T12:07:23-04:00", "utc": "1986-06-10T16:07:23Z", "ms": 518803643312.64734 }, "end": { "local": "1986-06-10T12:55:23-04:00", "utc": "1986-06-10T16:55:23Z", "ms": 518806523312.64734 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-06-11", "window": { "start": { "local": "1986-06-11T12:07:35-04:00", "utc": "1986-06-11T16:07:35Z", "ms": 518890055372.74243 }, "end": { "local": "1986-06-11T12:55:35-04:00", "utc": "1986-06-11T16:55:35Z", "ms": 518892935372.74243 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:36 on Tue 10 Jun to 18:14 on Wed 11 Jun.", "fact": "1986-06-10T20:36:25Z → 1986-06-11T22:13:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 10th, 12:08–12:56 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 13261 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Wednesday 11 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-11", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Wednesday 11 June. Caturthī runs from 16:36 on Tue 10 Jun to 18:14 on Wed 11 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-06-11", "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/1986/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 23388, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-06-12T19:25:35-04:00", "utc": "1986-06-12T23:25:35Z", "ms": 519002735357.936 }, "end": { "local": "1986-06-13T20:06:33-04:00", "utc": "1986-06-14T00:06:33Z", "ms": 519091592748.0977 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-12T19:25:35-04:00", "utc": "1986-06-12T23:25:35Z", "ms": 519002735357.936 }, "end": { "local": "1986-06-13T20:06:33-04:00", "utc": "1986-06-14T00:06:33Z", "ms": 519091592748.0977 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-12", "window": { "start": { "local": "1986-06-12T12:07:48-04:00", "utc": "1986-06-12T16:07:48Z", "ms": 518976467618.9551 }, "end": { "local": "1986-06-12T12:55:48-04:00", "utc": "1986-06-12T16:55:48Z", "ms": 518979347618.9551 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-06-13", "window": { "start": { "local": "1986-06-13T12:08:00-04:00", "utc": "1986-06-13T16:08:00Z", "ms": 519062880026.3834 }, "end": { "local": "1986-06-13T12:56:00-04:00", "utc": "1986-06-13T16:56:00Z", "ms": 519065760026.3834 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:26 on Thu 12 Jun to 20:07 on Fri 13 Jun.", "fact": "1986-06-12T23:25:35Z → 1986-06-14T00:06:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 12th, 12:08–12:56 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 23388 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Valencia, 1986: Friday 13 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-13", "confidence": "determinate" } ], "quote": "In Valencia, Araṇya Gaurī Vrata 1986 falls on Friday 13 June. Ṣaṣṭhī runs from 19:26 on Thu 12 Jun to 20:07 on Fri 13 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 23388, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-06-12T19:25:35-04:00", "utc": "1986-06-12T23:25:35Z", "ms": 519002735357.936 }, "end": { "local": "1986-06-13T20:06:33-04:00", "utc": "1986-06-14T00:06:33Z", "ms": 519091592748.0977 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-12T19:25:35-04:00", "utc": "1986-06-12T23:25:35Z", "ms": 519002735357.936 }, "end": { "local": "1986-06-13T20:06:33-04:00", "utc": "1986-06-14T00:06:33Z", "ms": 519091592748.0977 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-12", "window": { "start": { "local": "1986-06-12T12:07:48-04:00", "utc": "1986-06-12T16:07:48Z", "ms": 518976467618.9551 }, "end": { "local": "1986-06-12T12:55:48-04:00", "utc": "1986-06-12T16:55:48Z", "ms": 518979347618.9551 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-06-13", "window": { "start": { "local": "1986-06-13T12:08:00-04:00", "utc": "1986-06-13T16:08:00Z", "ms": 519062880026.3834 }, "end": { "local": "1986-06-13T12:56:00-04:00", "utc": "1986-06-13T16:56:00Z", "ms": 519065760026.3834 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:26 on Thu 12 Jun to 20:07 on Fri 13 Jun.", "fact": "1986-06-12T23:25:35Z → 1986-06-14T00:06:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 12th, 12:08–12:56 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 23388 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Valencia, 1986: Friday 13 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-13", "confidence": "determinate" } ], "quote": "In Valencia, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1986 falls on Friday 13 June. Ṣaṣṭhī runs from 19:26 on Thu 12 Jun to 20:07 on Fri 13 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-06-18", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-18", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 27687, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-06-17T16:26:30-04:00", "utc": "1986-06-17T20:26:30Z", "ms": 519423989822.69586 }, "end": { "local": "1986-06-18T13:53:11-04:00", "utc": "1986-06-18T17:53:11Z", "ms": 519501190555.82837 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-17T16:26:30-04:00", "utc": "1986-06-17T20:26:30Z", "ms": 519423989822.69586 }, "end": { "local": "1986-06-18T13:53:11-04:00", "utc": "1986-06-18T17:53:11Z", "ms": 519501190555.82837 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-06-17", "window": { "start": { "local": "1986-06-17T06:11:32-04:00", "utc": "1986-06-17T10:11:32Z", "ms": 519387092142.99414 }, "end": { "local": "1986-06-17T06:11:32-04:00", "utc": "1986-06-17T10:11:32Z", "ms": 519387092142.99414 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-06-18", "window": { "start": { "local": "1986-06-18T06:11:44-04:00", "utc": "1986-06-18T10:11:44Z", "ms": 519473503716.5363 }, "end": { "local": "1986-06-18T06:11:44-04:00", "utc": "1986-06-18T10:11:44Z", "ms": 519473503716.5363 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-06-19", "start": { "local": "1986-06-19T06:11:56-04:00", "utc": "1986-06-19T10:11:56Z", "ms": 519559915681.99884 }, "end": { "local": "1986-06-19T08:44:28-04:00", "utc": "1986-06-19T12:44:28Z", "ms": 519569068013.1067 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-06-19T10:47:51-04:00", "utc": "1986-06-19T14:47:51Z", "ms": 519576471351.8442 }, "hari_vasara_end": { "local": "1986-06-18T19:06:51-04:00", "utc": "1986-06-18T23:06:51Z", "ms": 519520010754.83234 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:26 on Tue 17 Jun to 13:53 on Wed 18 Jun.", "fact": "1986-06-17T20:26:30Z → 1986-06-18T17:53:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 17th and 06:12 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": "one day qualifies → only-day · margin 27687 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Valencia, 1986: Wednesday 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-18", "confidence": "determinate" } ], "quote": "In Valencia, Nirjalā Ekādaśī 1986 falls on Wednesday 18 June. Ekādaśī runs from 16:26 on Tue 17 Jun to 13:53 on Wed 18 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-06-18", "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/1986/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-19", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 3367, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-06-18T13:53:11-04:00", "utc": "1986-06-18T17:53:11Z", "ms": 519501190555.82837 }, "end": { "local": "1986-06-19T10:47:51-04:00", "utc": "1986-06-19T14:47:51Z", "ms": 519576471351.8442 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-18T13:53:11-04:00", "utc": "1986-06-18T17:53:11Z", "ms": 519501190555.82837 }, "end": { "local": "1986-06-19T10:47:51-04:00", "utc": "1986-06-19T14:47:51Z", "ms": 519576471351.8442 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-18", "window": { "start": { "local": "1986-06-18T12:09:04-04:00", "utc": "1986-06-18T16:09:04Z", "ms": 519494943633.7252 }, "end": { "local": "1986-06-18T12:57:04-04:00", "utc": "1986-06-18T16:57:04Z", "ms": 519497823633.7252 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-06-19", "window": { "start": { "local": "1986-06-19T12:09:17-04:00", "utc": "1986-06-19T16:09:17Z", "ms": 519581356509.76843 }, "end": { "local": "1986-06-19T12:57:17-04:00", "utc": "1986-06-19T16:57:17Z", "ms": 519584236509.76843 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "basis": { "kind": "stated-fallback", "source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:53 on Wed 18 Jun to 10:48 on Thu 19 Jun.", "fact": "1986-06-18T17:53:11Z → 1986-06-19T14:47:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 18th, 12:09–12:57 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The source says what then (p. 101): the second day.", "fact": "no day qualifies → second-day, stated: Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 101 · margin 3367 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Valencia, 1986: Thursday 19 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-19", "confidence": "boundary" } ], "quote": "In Valencia, Śrī Rāma Dvādaśī 1986 falls on Thursday 19 June. Dvādaśī runs from 13:53 on Wed 18 Jun to 10:48 on Thu 19 Jun, and reaches madhyāhna on neither day. For that case the source takes the second day (Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 101).", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/pradosha-vrata?on=1986-06-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-19", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 29206, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-06-19T10:47:51-04:00", "utc": "1986-06-19T14:47:51Z", "ms": 519576471351.8442 }, "end": { "local": "1986-06-20T07:17:59-04:00", "utc": "1986-06-20T11:17:59Z", "ms": 519650279435.26904 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-19T10:47:51-04:00", "utc": "1986-06-19T14:47:51Z", "ms": 519576471351.8442 }, "end": { "local": "1986-06-20T07:17:59-04:00", "utc": "1986-06-20T11:17:59Z", "ms": 519650279435.26904 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-06-19", "window": { "start": { "local": "1986-06-19T18:54:37-04:00", "utc": "1986-06-19T22:54:37Z", "ms": 519605677337.5381 }, "end": { "local": "1986-06-19T20:24:57-04:00", "utc": "1986-06-20T00:24:57Z", "ms": 519611097428.4769 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1986-06-20", "window": { "start": { "local": "1986-06-20T18:54:51-04:00", "utc": "1986-06-20T22:54:51Z", "ms": 519692090758.3369 }, "end": { "local": "1986-06-20T20:25:11-04:00", "utc": "1986-06-21T00:25:11Z", "ms": 519697510751.92206 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:48 on Thu 19 Jun to 07:18 on Fri 20 Jun.", "fact": "1986-06-19T14:47:51Z → 1986-06-20T11:17:59Z" }, { "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 90 of 90 minutes on the 19th and 0 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": "one day qualifies → only-day · margin 29206 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Thursday 19 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-19", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Thursday 19 June. Trayodaśī runs from 10:48 on Thu 19 Jun to 07:18 on Fri 20 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-06-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-21", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 11782, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-06-21T03:32:35-04:00", "utc": "1986-06-21T07:32:35Z", "ms": 519723155359.3483 }, "end": { "local": "1986-06-21T23:41:46-04:00", "utc": "1986-06-22T03:41:46Z", "ms": 519795706160.2564 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-21T03:32:35-04:00", "utc": "1986-06-21T07:32:35Z", "ms": 519723155359.3483 }, "end": { "local": "1986-06-21T23:41:46-04:00", "utc": "1986-06-22T03:41:46Z", "ms": 519795706160.2564 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-06-20", "window": { "start": { "local": "1986-06-20T18:54:51-04:00", "utc": "1986-06-20T22:54:51Z", "ms": 519692090758.3369 }, "end": { "local": "1986-06-20T20:25:11-04:00", "utc": "1986-06-21T00:25:11Z", "ms": 519697510751.92206 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1986-06-21", "window": { "start": { "local": "1986-06-21T18:55:04-04:00", "utc": "1986-06-21T22:55:04Z", "ms": 519778503794.93896 }, "end": { "local": "1986-06-21T20:25:24-04:00", "utc": "1986-06-22T00:25:24Z", "ms": 519783923787.0047 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:33 on Sat 21 Jun to 23:42 on Sat 21 Jun.", "fact": "1986-06-21T07:32:35Z → 1986-06-22T03:41:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:25 on the 20th, 18:55–20:25 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 90 minutes on the 20th and 90 of 90 on the 21st.", "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": "one day qualifies → only-day · margin 11782 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Valencia, 1986: Saturday 21 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-21", "confidence": "determinate" } ], "quote": "In Valencia, Vaṭa Sāvitrī Vrata 1986 falls on Saturday 21 June. Pūrṇimā runs from 03:33 on Sat 21 Jun to 23:42 on Sat 21 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-06-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-06-24", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 30286, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-06-24T13:25:21-04:00", "utc": "1986-06-24T17:25:21Z", "ms": 520017921115.0481 }, "end": { "local": "1986-06-25T11:00:22-04:00", "utc": "1986-06-25T15:00:22Z", "ms": 520095622478.4713 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-24T13:25:21-04:00", "utc": "1986-06-24T17:25:21Z", "ms": 520017921115.0481 }, "end": { "local": "1986-06-25T11:00:22-04:00", "utc": "1986-06-25T15:00:22Z", "ms": 520095622478.4713 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-06-24", "window": { "start": { "local": "1986-06-24T21:50:07-04:00", "utc": "1986-06-25T01:50:07Z", "ms": 520048207392.8449 }, "end": { "local": "1986-06-24T21:50:07-04:00", "utc": "1986-06-25T01:50:07Z", "ms": 520048207392.8449 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-06-25", "window": { "start": { "local": "1986-06-25T22:39:01-04:00", "utc": "1986-06-26T02:39:01Z", "ms": 520137541307.9873 }, "end": { "local": "1986-06-25T22:39:01-04:00", "utc": "1986-06-26T02:39:01Z", "ms": 520137541307.9873 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:25 on Tue 24 Jun to 11:00 on Wed 25 Jun.", "fact": "1986-06-24T17:25:21Z → 1986-06-25T15:00:22Z" }, { "step": "kaala", "text": "Moonrise is at 21:50 on the 24th and 22:39 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 30286 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Tuesday 24 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": "1986-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-24", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Tuesday 24 June. Caturthī runs from 13:25 on Tue 24 Jun to 11:00 on Wed 25 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-06-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/ekadashi?on=1986-07-02", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-02", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 24601, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-07-01T13:04:44-04:00", "utc": "1986-07-01T17:04:44Z", "ms": 520621483972.7723 }, "end": { "local": "1986-07-02T15:30:11-04:00", "utc": "1986-07-02T19:30:11Z", "ms": 520716611293.2289 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-01T13:04:44-04:00", "utc": "1986-07-01T17:04:44Z", "ms": 520621483972.7723 }, "end": { "local": "1986-07-02T15:30:11-04:00", "utc": "1986-07-02T19:30:11Z", "ms": 520716611293.2289 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-07-01", "window": { "start": { "local": "1986-07-01T06:14:43-04:00", "utc": "1986-07-01T10:14:43Z", "ms": 520596882771.3761 }, "end": { "local": "1986-07-01T06:14:43-04:00", "utc": "1986-07-01T10:14:43Z", "ms": 520596882771.3761 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-07-02", "window": { "start": { "local": "1986-07-02T06:14:58-04:00", "utc": "1986-07-02T10:14:58Z", "ms": 520683298008.2324 }, "end": { "local": "1986-07-02T06:14:58-04:00", "utc": "1986-07-02T10:14:58Z", "ms": 520683298008.2324 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-07-03", "start": { "local": "1986-07-03T06:15:13-04:00", "utc": "1986-07-03T10:15:13Z", "ms": 520769713333.0782 }, "end": { "local": "1986-07-03T08:47:35-04:00", "utc": "1986-07-03T12:47:35Z", "ms": 520778855361.2321 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-07-03T18:03:02-04:00", "utc": "1986-07-03T22:03:02Z", "ms": 520812181633.91565 }, "hari_vasara_end": { "local": "1986-07-02T22:08:24-04:00", "utc": "1986-07-03T02:08:24Z", "ms": 520740503878.4006 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:05 on Tue 1 Jul to 15:30 on Wed 2 Jul.", "fact": "1986-07-01T17:04:44Z → 1986-07-02T19:30:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 1st and 06:15 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 24601 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Valencia, 1986: Wednesday 2 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-02", "confidence": "determinate" } ], "quote": "In Valencia, Yoginī Ekādaśī 1986 falls on Wednesday 2 July. Ekādaśī runs from 13:05 on Tue 1 Jul to 15:30 on Wed 2 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-07-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 311, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-07-03T18:03:02-04:00", "utc": "1986-07-03T22:03:02Z", "ms": 520812181633.91565 }, "end": { "local": "1986-07-04T20:32:49-04:00", "utc": "1986-07-05T00:32:49Z", "ms": 520907569435.53467 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-03T18:03:02-04:00", "utc": "1986-07-03T22:03:02Z", "ms": 520812181633.91565 }, "end": { "local": "1986-07-04T20:32:49-04:00", "utc": "1986-07-05T00:32:49Z", "ms": 520907569435.53467 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-07-03", "window": { "start": { "local": "1986-07-03T18:57:03-04:00", "utc": "1986-07-03T22:57:03Z", "ms": 520815423473.8479 }, "end": { "local": "1986-07-03T20:27:31-04:00", "utc": "1986-07-04T00:27:31Z", "ms": 520820850839.9196 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1986-07-04", "window": { "start": { "local": "1986-07-04T18:57:10-04:00", "utc": "1986-07-04T22:57:10Z", "ms": 520901829775.04016 }, "end": { "local": "1986-07-04T20:27:38-04:00", "utc": "1986-07-05T00:27:38Z", "ms": 520907258357.098 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "greater-coverage", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:03 on Thu 3 Jul to 20:33 on Fri 4 Jul.", "fact": "1986-07-03T22:03:02Z → 1986-07-05T00:32:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:28 on the 3rd, 18:57–20:28 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 90 of 90 minutes on the 3rd and 90 of 90 on the 4th.", "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 311 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Friday 4 July.", "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": "1986-07-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-03", "confidence": "boundary" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Friday 4 July. Trayodaśī runs from 18:03 on Thu 3 Jul to 20:33 on Fri 4 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 90 minutes; the rule does not say which to take, and the one covered longer is ruled. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-07-04", "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/1986/shivaratri?on=1986-07-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-04", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 4850, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-07-04T20:32:49-04:00", "utc": "1986-07-05T00:32:49Z", "ms": 520907569435.53467 }, "end": { "local": "1986-07-05T22:51:47-04:00", "utc": "1986-07-06T02:51:47Z", "ms": 521002307474.3559 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-04T20:32:49-04:00", "utc": "1986-07-05T00:32:49Z", "ms": 520907569435.53467 }, "end": { "local": "1986-07-05T22:51:47-04:00", "utc": "1986-07-06T02:51:47Z", "ms": 521002307474.3559 } }, "kaala": "nishita", "days": [ { "local_date": "1986-07-04", "window": { "start": { "local": "1986-07-05T00:12:27-04:00", "utc": "1986-07-05T04:12:27Z", "ms": 520920746957.7572 }, "end": { "local": "1986-07-05T01:00:27-04:00", "utc": "1986-07-05T05:00:27Z", "ms": 520923626957.7572 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-07-05", "window": { "start": { "local": "1986-07-06T00:12:37-04:00", "utc": "1986-07-06T04:12:37Z", "ms": 521007157492.7299 }, "end": { "local": "1986-07-06T01:00:37-04:00", "utc": "1986-07-06T05:00:37Z", "ms": 521010037492.7299 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:33 on Fri 4 Jul to 22:52 on Sat 5 Jul.", "fact": "1986-07-05T00:32:49Z → 1986-07-06T02:51:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 4th, 00:13–01:01 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 4850 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Friday 4 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-04", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Friday 4 July. Caturdaśī runs from 20:33 on Fri 4 Jul to 22:52 on Sat 5 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-07-04", "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/1986/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-08", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 29446, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1986-07-08T02:38:57-04:00", "utc": "1986-07-08T06:38:57Z", "ms": 521188736772.2223 }, "end": { "local": "1986-07-09T04:02:22-04:00", "utc": "1986-07-09T08:02:22Z", "ms": 521280142084.99384 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-08T02:38:57-04:00", "utc": "1986-07-08T06:38:57Z", "ms": 521188736772.2223 }, "end": { "local": "1986-07-09T04:02:22-04:00", "utc": "1986-07-09T08:02:22Z", "ms": 521280142084.99384 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-08", "window": { "start": { "local": "1986-07-08T12:12:59-04:00", "utc": "1986-07-08T16:12:59Z", "ms": 521223179264.55115 }, "end": { "local": "1986-07-08T13:00:59-04:00", "utc": "1986-07-08T17:00:59Z", "ms": 521226059264.55115 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-07-09", "window": { "start": { "local": "1986-07-09T12:13:08-04:00", "utc": "1986-07-09T16:13:08Z", "ms": 521309588316.6837 }, "end": { "local": "1986-07-09T13:01:08-04:00", "utc": "1986-07-09T17:01:08Z", "ms": 521312468316.6837 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:39 on Tue 8 Jul to 04:02 on Wed 9 Jul.", "fact": "1986-07-08T06:38:57Z → 1986-07-09T08:02:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 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": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 29446 s" }, { "step": "ruling", "text": "Rathayātrā, Valencia, 1986: Tuesday 8 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-08", "confidence": "determinate" } ], "quote": "In Valencia, Rathayātrā 1986 falls on Tuesday 8 July. Dvitīyā runs from 02:39 on Tue 8 Jul to 04:02 on Wed 9 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vinayaka-chaturthi?on=1986-07-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-10", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 23537, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-07-10T05:03:40-04:00", "utc": "1986-07-10T09:03:40Z", "ms": 521370220080.71155 }, "end": { "local": "1986-07-11T05:41:08-04:00", "utc": "1986-07-11T09:41:08Z", "ms": 521458867666.7169 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-10T05:03:40-04:00", "utc": "1986-07-10T09:03:40Z", "ms": 521370220080.71155 }, "end": { "local": "1986-07-11T05:41:08-04:00", "utc": "1986-07-11T09:41:08Z", "ms": 521458867666.7169 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-10", "window": { "start": { "local": "1986-07-10T12:13:17-04:00", "utc": "1986-07-10T16:13:17Z", "ms": 521395996944.75476 }, "end": { "local": "1986-07-10T13:01:17-04:00", "utc": "1986-07-10T17:01:17Z", "ms": 521398876944.75476 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-07-11", "window": { "start": { "local": "1986-07-11T12:13:25-04:00", "utc": "1986-07-11T16:13:25Z", "ms": 521482405128.6168 }, "end": { "local": "1986-07-11T13:01:25-04:00", "utc": "1986-07-11T17:01:25Z", "ms": 521485285128.6168 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:04 on Thu 10 Jul to 05:41 on Fri 11 Jul.", "fact": "1986-07-10T09:03:40Z → 1986-07-11T09:41:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 10th, 12:13–13:01 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 23537 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Thursday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-10", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Thursday 10 July. Caturthī runs from 05:04 on Thu 10 Jul to 05:41 on Fri 11 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22864, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-07-11T05:41:08-04:00", "utc": "1986-07-11T09:41:08Z", "ms": 521458867666.7169 }, "end": { "local": "1986-07-12T05:52:29-04:00", "utc": "1986-07-12T09:52:29Z", "ms": 521545949108.88617 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-11T05:41:08-04:00", "utc": "1986-07-11T09:41:08Z", "ms": 521458867666.7169 }, "end": { "local": "1986-07-12T05:52:29-04:00", "utc": "1986-07-12T09:52:29Z", "ms": 521545949108.88617 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-11", "window": { "start": { "local": "1986-07-11T12:13:25-04:00", "utc": "1986-07-11T16:13:25Z", "ms": 521482405128.6168 }, "end": { "local": "1986-07-11T13:01:25-04:00", "utc": "1986-07-11T17:01:25Z", "ms": 521485285128.6168 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-07-12", "window": { "start": { "local": "1986-07-12T12:13:33-04:00", "utc": "1986-07-12T16:13:33Z", "ms": 521568812849.1944 }, "end": { "local": "1986-07-12T13:01:33-04:00", "utc": "1986-07-12T17:01:33Z", "ms": 521571692849.1944 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:41 on Fri 11 Jul to 05:52 on Sat 12 Jul.", "fact": "1986-07-11T09:41:08Z → 1986-07-12T09:52:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 11th, 12:14–13:02 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 22864 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Valencia, 1986: Friday 11 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-11", "confidence": "determinate" } ], "quote": "In Valencia, Skanda Pañcamī 1986 falls on Friday 11 July. Pañcamī runs from 05:41 on Fri 11 Jul to 05:52 on Sat 12 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 23914, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-07-13T05:35:06-04:00", "utc": "1986-07-13T09:35:06Z", "ms": 521631306236.8292 }, "end": { "local": "1986-07-14T04:46:30-04:00", "utc": "1986-07-14T08:46:30Z", "ms": 521714789873.4464 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-13T05:35:06-04:00", "utc": "1986-07-13T09:35:06Z", "ms": 521631306236.8292 }, "end": { "local": "1986-07-14T04:46:30-04:00", "utc": "1986-07-14T08:46:30Z", "ms": 521714789873.4464 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-13", "window": { "start": { "local": "1986-07-13T12:13:40-04:00", "utc": "1986-07-13T16:13:40Z", "ms": 521655220088.7433 }, "end": { "local": "1986-07-13T13:01:40-04:00", "utc": "1986-07-13T17:01:40Z", "ms": 521658100088.7433 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-07-14", "window": { "start": { "local": "1986-07-14T12:13:47-04:00", "utc": "1986-07-14T16:13:47Z", "ms": 521741626830.99133 }, "end": { "local": "1986-07-14T13:01:47-04:00", "utc": "1986-07-14T17:01:47Z", "ms": 521744506830.99133 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:35 on Sun 13 Jul to 04:46 on Mon 14 Jul.", "fact": "1986-07-13T09:35:06Z → 1986-07-14T08:46:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 13th, 12:14–13:02 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 23914 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Valencia, 1986: Sunday 13 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-13", "confidence": "determinate" } ], "quote": "In Valencia, Vivasvat Saptamī 1986 falls on Sunday 13 July. Saptamī runs from 05:35 on Sun 13 Jul to 04:46 on Mon 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-07-17", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-17", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 26011, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-07-16T23:05:11-04:00", "utc": "1986-07-17T03:05:11Z", "ms": 521953511398.9697 }, "end": { "local": "1986-07-17T20:12:47-04:00", "utc": "1986-07-18T00:12:47Z", "ms": 522029566968.081 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-16T23:05:11-04:00", "utc": "1986-07-17T03:05:11Z", "ms": 521953511398.9697 }, "end": { "local": "1986-07-17T20:12:47-04:00", "utc": "1986-07-18T00:12:47Z", "ms": 522029566968.081 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-07-17", "window": { "start": { "local": "1986-07-17T06:18:43-04:00", "utc": "1986-07-17T10:18:43Z", "ms": 521979522551.91974 }, "end": { "local": "1986-07-17T06:18:43-04:00", "utc": "1986-07-17T10:18:43Z", "ms": 521979522551.91974 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-07-18", "window": { "start": { "local": "1986-07-18T06:18:56-04:00", "utc": "1986-07-18T10:18:56Z", "ms": 522065936176.2949 }, "end": { "local": "1986-07-18T06:18:56-04:00", "utc": "1986-07-18T10:18:56Z", "ms": 522065936176.2949 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-07-18", "start": { "local": "1986-07-18T06:18:56-04:00", "utc": "1986-07-18T10:18:56Z", "ms": 522065936176.2949 }, "end": { "local": "1986-07-18T08:50:37-04:00", "utc": "1986-07-18T12:50:37Z", "ms": 522075037131.04895 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-07-18T16:59:33-04:00", "utc": "1986-07-18T20:59:33Z", "ms": 522104372930.19257 }, "hari_vasara_end": { "local": "1986-07-18T01:24:28-04:00", "utc": "1986-07-18T05:24:28Z", "ms": 522048268458.6089 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:05 on Wed 16 Jul to 20:13 on Thu 17 Jul.", "fact": "1986-07-17T03:05:11Z → 1986-07-18T00:12:47Z" }, { "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 on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 26011 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Valencia, 1986: Thursday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-17", "confidence": "determinate" } ], "quote": "In Valencia, Hariśayanī Ekādaśī 1986 falls on Thursday 17 July. Ekādaśī runs from 23:05 on Wed 16 Jul to 20:13 on Thu 17 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-07-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-18", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 7068, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-07-18T16:59:33-04:00", "utc": "1986-07-18T20:59:33Z", "ms": 522104372930.19257 }, "end": { "local": "1986-07-19T13:33:23-04:00", "utc": "1986-07-19T17:33:23Z", "ms": 522178403154.3439 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-18T16:59:33-04:00", "utc": "1986-07-18T20:59:33Z", "ms": 522104372930.19257 }, "end": { "local": "1986-07-19T13:33:23-04:00", "utc": "1986-07-19T17:33:23Z", "ms": 522178403154.3439 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-07-18", "window": { "start": { "local": "1986-07-18T18:57:21-04:00", "utc": "1986-07-18T22:57:21Z", "ms": 522111440950.0652 }, "end": { "local": "1986-07-18T20:28:15-04:00", "utc": "1986-07-19T00:28:15Z", "ms": 522116895426.9531 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "1986-07-19", "window": { "start": { "local": "1986-07-19T18:57:16-04:00", "utc": "1986-07-19T22:57:16Z", "ms": 522197835748.8328 }, "end": { "local": "1986-07-19T20:28:13-04:00", "utc": "1986-07-20T00:28:13Z", "ms": 522203292661.2471 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:00 on Fri 18 Jul to 13:33 on Sat 19 Jul.", "fact": "1986-07-18T20:59:33Z → 1986-07-19T17:33:23Z" }, { "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 91 of 91 minutes on the 18th and 0 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": "one day qualifies → only-day · margin 7068 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Friday 18 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": "1986-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-18", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Friday 18 July. Trayodaśī runs from 17:00 on Fri 18 Jul to 13:33 on Sat 19 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-07-18", "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/1986/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-20", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1237, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-07-20T10:03:33-04:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T06:40:12-04:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-20T10:03:33-04:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T06:40:12-04:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 } }, "kaala": "udaya-3", "days": [ { "local_date": "1986-07-20", "window": { "start": { "local": "1986-07-20T06:19:23-04:00", "utc": "1986-07-20T10:19:23Z", "ms": 522238762591.9399 }, "end": { "local": "1986-07-20T08:50:56-04:00", "utc": "1986-07-20T12:50:56Z", "ms": 522247856017.4422 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "1986-07-21", "window": { "start": { "local": "1986-07-21T06:19:35-04:00", "utc": "1986-07-21T10:19:35Z", "ms": 522325175362.206 }, "end": { "local": "1986-07-21T08:51:05-04:00", "utc": "1986-07-21T12:51:05Z", "ms": 522334264862.4693 } }, "covered_min": 21, "window_min": 151, "qualifies": false } ], "decided_by": "tithi-day", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:04 on Sun 20 Jul to 06:40 on Mon 21 Jul.", "fact": "1986-07-20T14:03:33Z → 1986-07-21T10:40:12Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:19–08:51 on the 20th, 06:20–08:51 on the 21st.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 152 minutes on the 20th and 21 of 151 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither morning qualifies, and the source does not say what then. The day the tithi falls on is taken, as a boundary.", "fact": "no day qualifies → tithi-day, the ruleset's fallback · margin 1237 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Valencia, 1986: Sunday 20 July.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1986-07-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-20", "confidence": "boundary" } ], "quote": "In Valencia, Vyāsa Pūjā 1986 falls on Sunday 20 July. Pūrṇimā runs from 10:04 on Sun 20 Jul to 06:40 on Mon 21 Jul, and reaches the first three muhūrtas after sunrise on neither day. The rule does not say what then; the day Pūrṇimā falls on is taken. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-20", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 7843, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-07-20T10:03:33-04:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T06:40:12-04:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-20T10:03:33-04:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T06:40:12-04:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-20", "window": { "start": { "local": "1986-07-20T12:14:16-04:00", "utc": "1986-07-20T16:14:16Z", "ms": 522260056155.6957 }, "end": { "local": "1986-07-20T13:02:16-04:00", "utc": "1986-07-20T17:02:16Z", "ms": 522262936155.6957 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-07-21", "window": { "start": { "local": "1986-07-21T12:14:19-04:00", "utc": "1986-07-21T16:14:19Z", "ms": 522346459112.86426 }, "end": { "local": "1986-07-21T13:02:19-04:00", "utc": "1986-07-21T17:02:19Z", "ms": 522349339112.86426 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:04 on Sun 20 Jul to 06:40 on Mon 21 Jul.", "fact": "1986-07-20T14:03:33Z → 1986-07-21T10:40:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 20th, 12:14–13:02 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 7843 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Valencia, 1986: Sunday 20 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-20", "confidence": "determinate" } ], "quote": "In Valencia, Guru Pūrṇimā 1986 falls on Sunday 20 July. Pūrṇimā runs from 10:04 on Sun 20 Jul to 06:40 on Mon 21 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-20", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22923, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-07-20T10:03:33-04:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T06:40:12-04:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-20T10:03:33-04:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T06:40:12-04:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 } }, "kaala": "sayahna", "days": [ { "local_date": "1986-07-20", "window": { "start": { "local": "1986-07-20T16:25:36-04:00", "utc": "1986-07-20T20:25:36Z", "ms": 522275136293.9491 }, "end": { "local": "1986-07-20T18:57:10-04:00", "utc": "1986-07-20T22:57:10Z", "ms": 522284229719.4514 } }, "covered_min": 152, "window_min": 152, "qualifies": true }, { "local_date": "1986-07-21", "window": { "start": { "local": "1986-07-21T16:25:33-04:00", "utc": "1986-07-21T20:25:33Z", "ms": 522361533363.2592 }, "end": { "local": "1986-07-21T18:57:03-04:00", "utc": "1986-07-21T22:57:03Z", "ms": 522370622863.5225 } }, "covered_min": 0, "window_min": 151, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:04 on Sun 20 Jul to 06:40 on Mon 21 Jul.", "fact": "1986-07-20T14:03:33Z → 1986-07-21T10:40:12Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:26–18:57 on the 20th, 16:26–18:57 on the 21st.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 152 of 152 minutes on the 20th and 0 of 151 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 22923 s" }, { "step": "ruling", "text": "Kokilā Vrata, Valencia, 1986: Sunday 20 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": "1986-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-20", "confidence": "determinate" } ], "quote": "In Valencia, Kokilā Vrata 1986 falls on Sunday 20 July. Pūrṇimā runs from 10:04 on Sun 20 Jul to 06:40 on Mon 21 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-20", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 32017, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-07-20T10:03:33-04:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T06:40:12-04:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-20T10:03:33-04:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T06:40:12-04:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-07-20", "window": { "start": { "local": "1986-07-20T18:57:10-04:00", "utc": "1986-07-20T22:57:10Z", "ms": 522284229719.4514 }, "end": { "local": "1986-07-20T20:28:09-04:00", "utc": "1986-07-21T00:28:09Z", "ms": 522289689138.48535 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "1986-07-21", "window": { "start": { "local": "1986-07-21T18:57:03-04:00", "utc": "1986-07-21T22:57:03Z", "ms": 522370622863.5225 }, "end": { "local": "1986-07-21T20:28:05-04:00", "utc": "1986-07-22T00:28:05Z", "ms": 522376084858.91144 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:04 on Sun 20 Jul to 06:40 on Mon 21 Jul.", "fact": "1986-07-20T14:03:33Z → 1986-07-21T10:40:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:28 on the 20th, 18:57–20:28 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 91 of 91 minutes on the 20th and 0 of 91 on the 21st.", "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": "one day qualifies → only-day · margin 32017 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Valencia, 1986: Sunday 20 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-20", "confidence": "determinate" } ], "quote": "In Valencia, Śiva Śayanotsava 1986 falls on Sunday 20 July. Pūrṇimā runs from 10:04 on Sun 20 Jul to 06:40 on Mon 21 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-22", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 16074, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1986-07-22T03:33:56-04:00", "utc": "1986-07-22T07:33:56Z", "ms": 522401635902.92523 }, "end": { "local": "1986-07-23T00:55:09-04:00", "utc": "1986-07-23T04:55:09Z", "ms": 522478508547.38306 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-07-22T03:33:56-04:00", "utc": "1986-07-22T07:33:56Z", "ms": 522401635902.92523 }, "end": { "local": "1986-07-23T00:55:09-04:00", "utc": "1986-07-23T04:55:09Z", "ms": 522478508547.38306 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-07-21", "window": { "start": { "local": "1986-07-21T19:34:25-04:00", "utc": "1986-07-21T23:34:25Z", "ms": 522372865230.98724 }, "end": { "local": "1986-07-21T19:34:25-04:00", "utc": "1986-07-21T23:34:25Z", "ms": 522372865230.98724 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-07-22", "window": { "start": { "local": "1986-07-22T20:27:15-04:00", "utc": "1986-07-23T00:27:15Z", "ms": 522462434537.70984 }, "end": { "local": "1986-07-22T20:27:15-04:00", "utc": "1986-07-23T00:27:15Z", "ms": 522462434537.70984 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:34 on Tue 22 Jul to 00:55 on Wed 23 Jul.", "fact": "1986-07-22T07:33:56Z → 1986-07-23T04:55:09Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 21st and 20:27 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 16074 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Valencia, 1986: Tuesday 22 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-22", "confidence": "determinate" } ], "quote": "In Valencia, Aśūnya Śayana Vrata (Āṣāḍha) 1986 falls on Tuesday 22 July. Dvitīyā runs from 03:34 on Tue 22 Jul to 00:55 on Wed 23 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-07-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-07-23", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1202, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-07-23T22:53:23-04:00", "utc": "1986-07-24T02:53:23Z", "ms": 522557602824.6625 }, "end": { "local": "1986-07-24T21:36:25-04:00", "utc": "1986-07-25T01:36:25Z", "ms": 522639384975.9649 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-07-23T22:53:23-04:00", "utc": "1986-07-24T02:53:23Z", "ms": 522557602824.6625 }, "end": { "local": "1986-07-24T21:36:25-04:00", "utc": "1986-07-25T01:36:25Z", "ms": 522639384975.9649 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-07-23", "window": { "start": { "local": "1986-07-23T21:14:07-04:00", "utc": "1986-07-24T01:14:07Z", "ms": 522551646918.2452 }, "end": { "local": "1986-07-23T21:14:07-04:00", "utc": "1986-07-24T01:14:07Z", "ms": 522551646918.2452 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-07-24", "window": { "start": { "local": "1986-07-24T21:56:27-04:00", "utc": "1986-07-25T01:56:27Z", "ms": 522640586863.10815 }, "end": { "local": "1986-07-24T21:56:27-04:00", "utc": "1986-07-25T01:56:27Z", "ms": 522640586863.10815 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:53 on Wed 23 Jul to 21:36 on Thu 24 Jul.", "fact": "1986-07-24T02:53:23Z → 1986-07-25T01:36:25Z" }, { "step": "kaala", "text": "Moonrise is at 21:14 on the 23rd and 21:56 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies, and the source does not say what then. The day the tithi falls on is taken, as a boundary.", "fact": "no day qualifies → tithi-day, the ruleset's fallback · margin 1202 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Wednesday 23 July.", "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": "1986-07-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-23", "confidence": "boundary" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Wednesday 23 July. Caturthī runs from 22:53 on Wed 23 Jul to 21:36 on Thu 24 Jul, and is current at moonrise on neither day. The rule does not say what then; the day Caturthī falls on is taken. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-07-23", "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/1986/ekadashi?on=1986-08-01", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-01", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 3756, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-07-31T05:18:50-04:00", "utc": "1986-07-31T09:18:50Z", "ms": 523185529530.1035 }, "end": { "local": "1986-08-01T07:47:08-04:00", "utc": "1986-08-01T11:47:08Z", "ms": 523280827835.8934 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-07-31T05:18:50-04:00", "utc": "1986-07-31T09:18:50Z", "ms": 523185529530.1035 }, "end": { "local": "1986-08-01T07:47:08-04:00", "utc": "1986-08-01T11:47:08Z", "ms": 523280827835.8934 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-07-31", "window": { "start": { "local": "1986-07-31T06:21:25-04:00", "utc": "1986-07-31T10:21:25Z", "ms": 523189285050.54596 }, "end": { "local": "1986-07-31T06:21:25-04:00", "utc": "1986-07-31T10:21:25Z", "ms": 523189285050.54596 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-08-01", "window": { "start": { "local": "1986-08-01T06:21:34-04:00", "utc": "1986-08-01T10:21:34Z", "ms": 523275694035.6354 }, "end": { "local": "1986-08-01T06:21:34-04:00", "utc": "1986-08-01T10:21:34Z", "ms": 523275694035.6354 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "basis": { "kind": "test" }, "parana": { "local_date": "1986-08-02", "start": { "local": "1986-08-02T06:21:43-04:00", "utc": "1986-08-02T10:21:43Z", "ms": 523362102627.1486 }, "end": { "local": "1986-08-02T08:52:18-04:00", "utc": "1986-08-02T12:52:18Z", "ms": 523371137510.48737 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-08-02T10:03:12-04:00", "utc": "1986-08-02T14:03:12Z", "ms": 523375391510.0537 }, "hari_vasara_end": { "local": "1986-08-01T14:21:09-04:00", "utc": "1986-08-01T18:21:09Z", "ms": 523304468754.4335 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:19 on Thu 31 Jul to 07:47 on Fri 1 Aug.", "fact": "1986-07-31T09:18:50Z → 1986-08-01T11:47:08Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 31st and 06:22 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 on the 1st.", "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 3756 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Valencia, 1986: Friday 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-01", "confidence": "determinate" } ], "quote": "In Valencia, Kāmikā Ekādaśī 1986 falls on Friday 1 August. Ekādaśī runs from 05:19 on Thu 31 Jul to 07:47 on Fri 1 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-08-01", "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/1986/pradosha-vrata?on=1986-08-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-02", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 24915, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-08-02T10:03:12-04:00", "utc": "1986-08-02T14:03:12Z", "ms": 523375391510.0537 }, "end": { "local": "1986-08-03T11:59:05-04:00", "utc": "1986-08-03T15:59:05Z", "ms": 523468744993.5438 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-02T10:03:12-04:00", "utc": "1986-08-02T14:03:12Z", "ms": 523375391510.0537 }, "end": { "local": "1986-08-03T11:59:05-04:00", "utc": "1986-08-03T15:59:05Z", "ms": 523468744993.5438 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-08-02", "window": { "start": { "local": "1986-08-02T18:54:37-04:00", "utc": "1986-08-02T22:54:37Z", "ms": 523407277043.8423 }, "end": { "local": "1986-08-02T20:26:15-04:00", "utc": "1986-08-03T00:26:15Z", "ms": 523412774880.3451 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1986-08-03", "window": { "start": { "local": "1986-08-03T18:54:20-04:00", "utc": "1986-08-03T22:54:20Z", "ms": 523493659683.1752 }, "end": { "local": "1986-08-03T20:26:01-04:00", "utc": "1986-08-04T00:26:01Z", "ms": 523499160872.0761 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:03 on Sat 2 Aug to 11:59 on Sun 3 Aug.", "fact": "1986-08-02T14:03:12Z → 1986-08-03T15:59:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:26 on the 2nd, 18:54–20:26 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 2nd and 0 of 92 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 24915 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Saturday 2 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-02", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Saturday 2 August. Trayodaśī runs from 10:03 on Sat 2 Aug to 11:59 on Sun 3 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-08-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/shivaratri?on=1986-08-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-03", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 38618, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-08-03T11:59:05-04:00", "utc": "1986-08-03T15:59:05Z", "ms": 523468744993.5438 }, "end": { "local": "1986-08-04T13:30:25-04:00", "utc": "1986-08-04T17:30:25Z", "ms": 523560625352.38806 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-03T11:59:05-04:00", "utc": "1986-08-03T15:59:05Z", "ms": 523468744993.5438 }, "end": { "local": "1986-08-04T13:30:25-04:00", "utc": "1986-08-04T17:30:25Z", "ms": 523560625352.38806 } }, "kaala": "nishita", "days": [ { "local_date": "1986-08-03", "window": { "start": { "local": "1986-08-04T00:14:09-04:00", "utc": "1986-08-04T04:14:09Z", "ms": 523512849141.5538 }, "end": { "local": "1986-08-04T01:02:09-04:00", "utc": "1986-08-04T05:02:09Z", "ms": 523515729141.5538 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-04", "window": { "start": { "local": "1986-08-05T00:14:04-04:00", "utc": "1986-08-05T04:14:04Z", "ms": 523599243752.7511 }, "end": { "local": "1986-08-05T01:02:04-04:00", "utc": "1986-08-05T05:02:04Z", "ms": 523602123752.7511 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:59 on Sun 3 Aug to 13:30 on Mon 4 Aug.", "fact": "1986-08-03T15:59:05Z → 1986-08-04T17:30:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 3rd, 00:14–01:02 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 38618 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Sunday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-03", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Sunday 3 August. Caturdaśī runs from 11:59 on Sun 3 Aug to 13:30 on Mon 4 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-08-03", "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/1986/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-08", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 8538, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-08-07T15:31:05-04:00", "utc": "1986-08-07T19:31:05Z", "ms": 523827065056.5028 }, "end": { "local": "1986-08-08T15:23:51-04:00", "utc": "1986-08-08T19:23:51Z", "ms": 523913030936.75507 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-07T15:31:05-04:00", "utc": "1986-08-07T19:31:05Z", "ms": 523827065056.5028 }, "end": { "local": "1986-08-08T15:23:51-04:00", "utc": "1986-08-08T19:23:51Z", "ms": 523913030936.75507 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-07", "window": { "start": { "local": "1986-08-07T12:13:41-04:00", "utc": "1986-08-07T16:13:41Z", "ms": 523815220940.2618 }, "end": { "local": "1986-08-07T13:01:41-04:00", "utc": "1986-08-07T17:01:41Z", "ms": 523818100940.2618 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-08", "window": { "start": { "local": "1986-08-08T12:13:33-04:00", "utc": "1986-08-08T16:13:33Z", "ms": 523901613369.6764 }, "end": { "local": "1986-08-08T13:01:33-04:00", "utc": "1986-08-08T17:01:33Z", "ms": 523904493369.6764 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:31 on Thu 7 Aug to 15:24 on Fri 8 Aug.", "fact": "1986-08-07T19:31:05Z → 1986-08-08T19:23:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 7th, 12:14–13:02 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 8538 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Valencia, 1986: Friday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-08", "confidence": "determinate" } ], "quote": "In Valencia, Madhusravā Tṛtīyā (Hariyali Teej) 1986 falls on Friday 8 August. Tṛtīyā runs from 15:31 on Thu 7 Aug to 15:24 on Fri 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vinayaka-chaturthi?on=1986-08-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-09", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 6799, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-08-08T15:23:51-04:00", "utc": "1986-08-08T19:23:51Z", "ms": 523913030936.75507 }, "end": { "local": "1986-08-09T14:54:44-04:00", "utc": "1986-08-09T18:54:44Z", "ms": 523997683715.70526 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-08T15:23:51-04:00", "utc": "1986-08-08T19:23:51Z", "ms": 523913030936.75507 }, "end": { "local": "1986-08-09T14:54:44-04:00", "utc": "1986-08-09T18:54:44Z", "ms": 523997683715.70526 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-08", "window": { "start": { "local": "1986-08-08T12:13:33-04:00", "utc": "1986-08-08T16:13:33Z", "ms": 523901613369.6764 }, "end": { "local": "1986-08-08T13:01:33-04:00", "utc": "1986-08-08T17:01:33Z", "ms": 523904493369.6764 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-09", "window": { "start": { "local": "1986-08-09T12:13:25-04:00", "utc": "1986-08-09T16:13:25Z", "ms": 523988005204.15173 }, "end": { "local": "1986-08-09T13:01:25-04:00", "utc": "1986-08-09T17:01:25Z", "ms": 523990885204.15173 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:24 on Fri 8 Aug to 14:55 on Sat 9 Aug.", "fact": "1986-08-08T19:23:51Z → 1986-08-09T18:54:44Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 6799 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Saturday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-09", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Saturday 9 August. Caturthī runs from 15:24 on Fri 8 Aug to 14:55 on Sat 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-08-09", "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/1986/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-10", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 3763, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-08-09T14:54:44-04:00", "utc": "1986-08-09T18:54:44Z", "ms": 523997683715.70526 }, "end": { "local": "1986-08-10T14:04:00-04:00", "utc": "1986-08-10T18:04:00Z", "ms": 524081039690.63763 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-09T14:54:44-04:00", "utc": "1986-08-09T18:54:44Z", "ms": 523997683715.70526 }, "end": { "local": "1986-08-10T14:04:00-04:00", "utc": "1986-08-10T18:04:00Z", "ms": 524081039690.63763 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-09", "window": { "start": { "local": "1986-08-09T12:13:25-04:00", "utc": "1986-08-09T16:13:25Z", "ms": 523988005204.15173 }, "end": { "local": "1986-08-09T13:01:25-04:00", "utc": "1986-08-09T17:01:25Z", "ms": 523990885204.15173 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-10", "window": { "start": { "local": "1986-08-10T12:13:16-04:00", "utc": "1986-08-10T16:13:16Z", "ms": 524074396446.5718 }, "end": { "local": "1986-08-10T13:01:16-04:00", "utc": "1986-08-10T17:01:16Z", "ms": 524077276446.5718 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:55 on Sat 9 Aug to 14:04 on Sun 10 Aug.", "fact": "1986-08-09T18:54:44Z → 1986-08-10T18:04:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 9th, 12:13–13:01 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 3763 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Valencia, 1986: Sunday 10 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-10", "confidence": "determinate" } ], "quote": "In Valencia, Nāga Pañcamī 1986 falls on Sunday 10 August. Pañcamī runs from 14:55 on Sat 9 Aug to 14:04 on Sun 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-08-15", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-15", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 6729, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-08-15T04:30:47-04:00", "utc": "1986-08-15T08:30:47Z", "ms": 524478646764.76105 }, "end": { "local": "1986-08-16T01:44:34-04:00", "utc": "1986-08-16T05:44:34Z", "ms": 524555073625.53204 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-15T04:30:47-04:00", "utc": "1986-08-15T08:30:47Z", "ms": 524478646764.76105 }, "end": { "local": "1986-08-16T01:44:34-04:00", "utc": "1986-08-16T05:44:34Z", "ms": 524555073625.53204 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-08-15", "window": { "start": { "local": "1986-08-15T06:22:56-04:00", "utc": "1986-08-15T10:22:56Z", "ms": 524485375892.34796 }, "end": { "local": "1986-08-15T06:22:56-04:00", "utc": "1986-08-15T10:22:56Z", "ms": 524485375892.34796 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-08-16", "window": { "start": { "local": "1986-08-16T06:22:59-04:00", "utc": "1986-08-16T10:22:59Z", "ms": 524571778501.4137 }, "end": { "local": "1986-08-16T06:22:59-04:00", "utc": "1986-08-16T10:22:59Z", "ms": 524571778501.4137 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-08-16", "start": { "local": "1986-08-16T07:01:23-04:00", "utc": "1986-08-16T11:01:23Z", "ms": 524574083241.614 }, "end": { "local": "1986-08-16T08:52:16-04:00", "utc": "1986-08-16T12:52:16Z", "ms": 524580735822.8041 }, "basis": "hari-vasara", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-08-16T22:51:52-04:00", "utc": "1986-08-17T02:51:52Z", "ms": 524631112089.86005 }, "hari_vasara_end": { "local": "1986-08-16T07:01:23-04:00", "utc": "1986-08-16T11:01:23Z", "ms": 524574083241.614 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:31 on Fri 15 Aug to 01:45 on Sat 16 Aug.", "fact": "1986-08-15T08:30:47Z → 1986-08-16T05:44:34Z" }, { "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 on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 6729 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Valencia, 1986: Friday 15 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-15", "confidence": "determinate" } ], "quote": "In Valencia, Putradā Ekādaśī 1986 falls on Friday 15 August. Ekādaśī runs from 04:31 on Fri 15 Aug to 01:45 on Sat 16 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-08-15", "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/1986/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-16", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 35500, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-08-16T01:44:34-04:00", "utc": "1986-08-16T05:44:34Z", "ms": 524555073625.53204 }, "end": { "local": "1986-08-16T22:51:52-04:00", "utc": "1986-08-17T02:51:52Z", "ms": 524631112089.86005 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-16T01:44:34-04:00", "utc": "1986-08-16T05:44:34Z", "ms": 524555073625.53204 }, "end": { "local": "1986-08-16T22:51:52-04:00", "utc": "1986-08-17T02:51:52Z", "ms": 524631112089.86005 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-15", "window": { "start": { "local": "1986-08-15T12:12:24-04:00", "utc": "1986-08-15T16:12:24Z", "ms": 524506343974.9407 }, "end": { "local": "1986-08-15T13:00:24-04:00", "utc": "1986-08-15T17:00:24Z", "ms": 524509223974.9407 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-16", "window": { "start": { "local": "1986-08-16T12:12:12-04:00", "utc": "1986-08-16T16:12:12Z", "ms": 524592731804.88965 }, "end": { "local": "1986-08-16T13:00:12-04:00", "utc": "1986-08-16T17:00:12Z", "ms": 524595611804.88965 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:45 on Sat 16 Aug to 22:52 on Sat 16 Aug.", "fact": "1986-08-16T05:44:34Z → 1986-08-17T02:51:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 15th, 12:12–13:00 on the 16th.", "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 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 35500 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Valencia, 1986: Saturday 16 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-16", "confidence": "determinate" } ], "quote": "In Valencia, Dāmodara Dvādaśī 1986 falls on Saturday 16 August. Dvādaśī runs from 01:45 on Sat 16 Aug to 22:52 on Sat 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/pradosha-vrata?on=1986-08-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-17", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1279, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-08-16T22:51:52-04:00", "utc": "1986-08-17T02:51:52Z", "ms": 524631112089.86005 }, "end": { "local": "1986-08-17T20:00:12-04:00", "utc": "1986-08-18T00:00:12Z", "ms": 524707211504.8023 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-16T22:51:52-04:00", "utc": "1986-08-17T02:51:52Z", "ms": 524631112089.86005 }, "end": { "local": "1986-08-17T20:00:12-04:00", "utc": "1986-08-18T00:00:12Z", "ms": 524707211504.8023 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-08-16", "window": { "start": { "local": "1986-08-16T18:49:25-04:00", "utc": "1986-08-16T22:49:25Z", "ms": 524616565108.36554 }, "end": { "local": "1986-08-16T20:21:54-04:00", "utc": "1986-08-17T00:21:54Z", "ms": 524622113853.3346 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1986-08-17", "window": { "start": { "local": "1986-08-17T18:48:58-04:00", "utc": "1986-08-17T22:48:58Z", "ms": 524702937512.1628 }, "end": { "local": "1986-08-17T20:21:30-04:00", "utc": "1986-08-18T00:21:30Z", "ms": 524708490175.2121 } }, "covered_min": 71, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:52 on Sat 16 Aug to 20:00 on Sun 17 Aug.", "fact": "1986-08-17T02:51:52Z → 1986-08-18T00:00:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:22 on the 16th, 18:49–20:22 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 16th and 71 of 93 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 1279 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Sunday 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": "1986-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-17", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Sunday 17 August. Trayodaśī runs from 22:52 on Sat 16 Aug to 20:00 on Sun 17 Aug and covers 71 of 93 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-08-17", "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/1986/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-19", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 8391, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-08-18T17:17:59-04:00", "utc": "1986-08-18T21:17:59Z", "ms": 524783878940.7582 }, "end": { "local": "1986-08-19T14:54:11-04:00", "utc": "1986-08-19T18:54:11Z", "ms": 524861651031.4847 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1986-08-19T04:03:13-04:00", "utc": "1986-08-19T08:03:13Z", "ms": 524822593109.20715 }, "end": { "local": "1986-08-19T14:54:11-04:00", "utc": "1986-08-19T18:54:11Z", "ms": 524861651031.4847 } }, "kaala": "day", "days": [ { "local_date": "1986-08-18", "window": { "start": { "local": "1986-08-18T06:23:02-04:00", "utc": "1986-08-18T10:23:02Z", "ms": 524744582485.03265 }, "end": { "local": "1986-08-19T06:23:04-04:00", "utc": "1986-08-19T10:23:04Z", "ms": 524830983880.9377 } }, "covered_min": 140, "window_min": 1440, "qualifies": true }, { "local_date": "1986-08-19", "window": { "start": { "local": "1986-08-19T06:23:04-04:00", "utc": "1986-08-19T10:23:04Z", "ms": 524830983880.9377 }, "end": { "local": "1986-08-20T06:23:05-04:00", "utc": "1986-08-20T10:23:05Z", "ms": 524917384895.0943 } }, "covered_min": 511, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:18 on Mon 18 Aug to 14:54 on Tue 19 Aug. Its second half begins at 04:03 on Tue 19 Aug.", "fact": "1986-08-18T21:17:59Z → 1986-08-19T18:54:11Z · second half from 1986-08-19T08:03:13Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:23 on the 18th, and from 06:23 on the 19th.", "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 140 of 1440 minutes on the 18th and 511 of 1440 on the 19th.", "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 8391 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Valencia, 1986: Tuesday 19 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": "1986-08-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-19", "confidence": "boundary" } ], "quote": "In Valencia, Rakṣā Bandhana (Rakhi) 1986 falls on Tuesday 19 August. The second half of Pūrṇimā runs from 04:03 on Tue 19 Aug to 14:54 on Tue 19 Aug and falls on two days: 511 minutes of it on the 19th, 140 on the 18th; the rule does not say which to take, and the day that holds more of it is ruled. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-19", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 6879, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-08-18T17:17:59-04:00", "utc": "1986-08-18T21:17:59Z", "ms": 524783878940.7582 }, "end": { "local": "1986-08-19T14:54:11-04:00", "utc": "1986-08-19T18:54:11Z", "ms": 524861651031.4847 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-18T17:17:59-04:00", "utc": "1986-08-18T21:17:59Z", "ms": 524783878940.7582 }, "end": { "local": "1986-08-19T14:54:11-04:00", "utc": "1986-08-19T18:54:11Z", "ms": 524861651031.4847 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-18", "window": { "start": { "local": "1986-08-18T12:11:46-04:00", "utc": "1986-08-18T16:11:46Z", "ms": 524765505886.82275 }, "end": { "local": "1986-08-18T12:59:46-04:00", "utc": "1986-08-18T16:59:46Z", "ms": 524768385886.82275 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-19", "window": { "start": { "local": "1986-08-19T12:11:32-04:00", "utc": "1986-08-19T16:11:32Z", "ms": 524851892168.73193 }, "end": { "local": "1986-08-19T12:59:32-04:00", "utc": "1986-08-19T16:59:32Z", "ms": 524854772168.73193 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:18 on Mon 18 Aug to 14:54 on Tue 19 Aug.", "fact": "1986-08-18T21:17:59Z → 1986-08-19T18:54:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 18th, 12:12–13:00 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 6879 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Valencia, 1986: Tuesday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-19", "confidence": "determinate" } ], "quote": "In Valencia, Ṛṣi Tarpaṇa 1986 falls on Tuesday 19 August. Pūrṇimā runs from 17:18 on Mon 18 Aug to 14:54 on Tue 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-20", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 24631, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1986-08-20T12:57:39-04:00", "utc": "1986-08-20T16:57:39Z", "ms": 524941059150.6181 }, "end": { "local": "1986-08-21T11:36:26-04:00", "utc": "1986-08-21T15:36:26Z", "ms": 525022586127.24066 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-20T12:57:39-04:00", "utc": "1986-08-20T16:57:39Z", "ms": 524941059150.6181 }, "end": { "local": "1986-08-21T11:36:26-04:00", "utc": "1986-08-21T15:36:26Z", "ms": 525022586127.24066 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-08-20", "window": { "start": { "local": "1986-08-20T19:48:10-04:00", "utc": "1986-08-20T23:48:10Z", "ms": 524965689673.2518 }, "end": { "local": "1986-08-20T19:48:10-04:00", "utc": "1986-08-20T23:48:10Z", "ms": 524965689673.2518 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-08-21", "window": { "start": { "local": "1986-08-21T20:29:13-04:00", "utc": "1986-08-22T00:29:13Z", "ms": 525054552522.3712 }, "end": { "local": "1986-08-21T20:29:13-04:00", "utc": "1986-08-22T00:29:13Z", "ms": 525054552522.3712 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:58 on Wed 20 Aug to 11:36 on Thu 21 Aug.", "fact": "1986-08-20T16:57:39Z → 1986-08-21T15:36:26Z" }, { "step": "kaala", "text": "Moonrise is at 19:48 on the 20th and 20:29 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 24631 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Valencia, 1986: Wednesday 20 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": "1986-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-20", "confidence": "determinate" } ], "quote": "In Valencia, Aśūnya Śayana Vrata 1986 falls on Wednesday 20 August. Dvitīyā runs from 12:58 on Wed 20 Aug to 11:36 on Thu 21 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-21", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 2077, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-08-21T11:36:26-04:00", "utc": "1986-08-21T15:36:26Z", "ms": 525022586127.24066 }, "end": { "local": "1986-08-22T10:56:53-04:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-21T11:36:26-04:00", "utc": "1986-08-21T15:36:26Z", "ms": 525022586127.24066 }, "end": { "local": "1986-08-22T10:56:53-04:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-21", "window": { "start": { "local": "1986-08-21T12:11:03-04:00", "utc": "1986-08-21T16:11:03Z", "ms": 525024663295.0348 }, "end": { "local": "1986-08-21T12:59:03-04:00", "utc": "1986-08-21T16:59:03Z", "ms": 525027543295.0348 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-22", "window": { "start": { "local": "1986-08-22T12:10:48-04:00", "utc": "1986-08-22T16:10:48Z", "ms": 525111048172.56995 }, "end": { "local": "1986-08-22T12:58:48-04:00", "utc": "1986-08-22T16:58:48Z", "ms": 525113928172.56995 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:36 on Thu 21 Aug to 10:57 on Fri 22 Aug.", "fact": "1986-08-21T15:36:26Z → 1986-08-22T14:56:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 21st, 12:11–12:59 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 2077 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Valencia, 1986: Thursday 21 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-21", "confidence": "determinate" } ], "quote": "In Valencia, Kajjalī Tṛtīyā (Kajari Teej) 1986 falls on Thursday 21 August. Tṛtīyā runs from 11:36 on Thu 21 Aug to 10:57 on Fri 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-22", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 18886, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-08-22T10:56:53-04:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "end": { "local": "1986-08-23T11:02:39-04:00", "utc": "1986-08-23T15:02:39Z", "ms": 525193358844.06995 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-22T10:56:53-04:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "end": { "local": "1986-08-23T11:02:39-04:00", "utc": "1986-08-23T15:02:39Z", "ms": 525193358844.06995 } }, "kaala": "sayahna", "days": [ { "local_date": "1986-08-22", "window": { "start": { "local": "1986-08-22T16:17:50-04:00", "utc": "1986-08-22T20:17:50Z", "ms": 525125869577.1028 }, "end": { "local": "1986-08-22T18:46:31-04:00", "utc": "1986-08-22T22:46:31Z", "ms": 525134790513.45795 } }, "covered_min": 149, "window_min": 149, "qualifies": true }, { "local_date": "1986-08-23", "window": { "start": { "local": "1986-08-23T16:17:25-04:00", "utc": "1986-08-23T20:17:25Z", "ms": 525212244715.94806 }, "end": { "local": "1986-08-23T18:45:59-04:00", "utc": "1986-08-23T22:45:59Z", "ms": 525221159450.1698 } }, "covered_min": 0, "window_min": 149, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:57 on Fri 22 Aug to 11:03 on Sat 23 Aug.", "fact": "1986-08-22T14:56:53Z → 1986-08-23T15:02:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:18–18:47 on the 22nd, 16:17–18:46 on the 23rd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 149 of 149 minutes on the 22nd and 0 of 149 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 18886 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Valencia, 1986: Friday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-22", "confidence": "determinate" } ], "quote": "In Valencia, Bahulā Caturthī 1986 falls on Friday 22 August. Caturthī runs from 10:57 on Fri 22 Aug to 11:03 on Sat 23 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-08-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-22", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 36684, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-08-22T10:56:53-04:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "end": { "local": "1986-08-23T11:02:39-04:00", "utc": "1986-08-23T15:02:39Z", "ms": 525193358844.06995 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-22T10:56:53-04:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "end": { "local": "1986-08-23T11:02:39-04:00", "utc": "1986-08-23T15:02:39Z", "ms": 525193358844.06995 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-08-22", "window": { "start": { "local": "1986-08-22T21:08:17-04:00", "utc": "1986-08-23T01:08:17Z", "ms": 525143297418.3159 }, "end": { "local": "1986-08-22T21:08:17-04:00", "utc": "1986-08-23T01:08:17Z", "ms": 525143297418.3159 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-08-23", "window": { "start": { "local": "1986-08-23T21:46:45-04:00", "utc": "1986-08-24T01:46:45Z", "ms": 525232004636.89197 }, "end": { "local": "1986-08-23T21:46:45-04:00", "utc": "1986-08-24T01:46:45Z", "ms": 525232004636.89197 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:57 on Fri 22 Aug to 11:03 on Sat 23 Aug.", "fact": "1986-08-22T14:56:53Z → 1986-08-23T15:02:39Z" }, { "step": "kaala", "text": "Moonrise is at 21:08 on the 22nd and 21:47 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 36684 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Friday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-22", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Friday 22 August. Caturthī runs from 10:57 on Fri 22 Aug to 11:03 on Sat 23 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-08-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-25", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 998, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-08-24T11:53:39-04:00", "utc": "1986-08-24T15:53:39Z", "ms": 525282818605.7878 }, "end": { "local": "1986-08-25T13:25:21-04:00", "utc": "1986-08-25T17:25:21Z", "ms": 525374721479.4915 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-24T11:53:39-04:00", "utc": "1986-08-24T15:53:39Z", "ms": 525282818605.7878 }, "end": { "local": "1986-08-25T13:25:21-04:00", "utc": "1986-08-25T17:25:21Z", "ms": 525374721479.4915 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-24", "window": { "start": { "local": "1986-08-24T12:10:17-04:00", "utc": "1986-08-24T16:10:17Z", "ms": 525283816637.03235 }, "end": { "local": "1986-08-24T12:58:17-04:00", "utc": "1986-08-24T16:58:17Z", "ms": 525286696637.03235 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-25", "window": { "start": { "local": "1986-08-25T12:10:00-04:00", "utc": "1986-08-25T16:10:00Z", "ms": 525370200255.3452 }, "end": { "local": "1986-08-25T12:58:00-04:00", "utc": "1986-08-25T16:58:00Z", "ms": 525373080255.3452 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:54 on Sun 24 Aug to 13:25 on Mon 25 Aug.", "fact": "1986-08-24T15:53:39Z → 1986-08-25T17:25:21Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 998 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Valencia, 1986: Monday 25 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-25", "confidence": "determinate" } ], "quote": "In Valencia, Hala Ṣaṣṭhī 1986 falls on Monday 25 August. Ṣaṣṭhī runs from 11:54 on Sun 24 Aug to 13:25 on Mon 25 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-26", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22691, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-08-26T15:28:46-04:00", "utc": "1986-08-26T19:28:46Z", "ms": 525468526333.04944 }, "end": { "local": "1986-08-27T17:51:15-04:00", "utc": "1986-08-27T21:51:15Z", "ms": 525563474980.72546 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-26T15:28:46-04:00", "utc": "1986-08-26T19:28:46Z", "ms": 525468526333.04944 }, "end": { "local": "1986-08-27T17:51:15-04:00", "utc": "1986-08-27T21:51:15Z", "ms": 525563474980.72546 } }, "kaala": "nishita", "days": [ { "local_date": "1986-08-26", "window": { "start": { "local": "1986-08-27T00:09:43-04:00", "utc": "1986-08-27T04:09:43Z", "ms": 525499782832.21155 }, "end": { "local": "1986-08-27T00:57:43-04:00", "utc": "1986-08-27T04:57:43Z", "ms": 525502662832.21155 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-27", "window": { "start": { "local": "1986-08-28T00:09:26-04:00", "utc": "1986-08-28T04:09:26Z", "ms": 525586165545.5609 }, "end": { "local": "1986-08-28T00:57:26-04:00", "utc": "1986-08-28T04:57:26Z", "ms": 525589045545.5609 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:29 on Tue 26 Aug to 17:51 on Wed 27 Aug.", "fact": "1986-08-26T19:28:46Z → 1986-08-27T21:51:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 26th, 00:09–00:57 on the 27th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 22691 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Valencia, 1986: Tuesday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-26", "confidence": "determinate" } ], "quote": "In Valencia, Janmāṣṭamī 1986 falls on Tuesday 26 August. Aṣṭamī runs from 15:29 on Tue 26 Aug to 17:51 on Wed 27 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-26", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1641, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-08-25T13:25:21-04:00", "utc": "1986-08-25T17:25:21Z", "ms": 525374721479.4915 }, "end": { "local": "1986-08-26T15:28:46-04:00", "utc": "1986-08-26T19:28:46Z", "ms": 525468526333.04944 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-25T13:25:21-04:00", "utc": "1986-08-25T17:25:21Z", "ms": 525374721479.4915 }, "end": { "local": "1986-08-26T15:28:46-04:00", "utc": "1986-08-26T19:28:46Z", "ms": 525468526333.04944 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-25", "window": { "start": { "local": "1986-08-25T12:10:00-04:00", "utc": "1986-08-25T16:10:00Z", "ms": 525370200255.3452 }, "end": { "local": "1986-08-25T12:58:00-04:00", "utc": "1986-08-25T16:58:00Z", "ms": 525373080255.3452 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-26", "window": { "start": { "local": "1986-08-26T12:09:43-04:00", "utc": "1986-08-26T16:09:43Z", "ms": 525456583484.7989 }, "end": { "local": "1986-08-26T12:57:43-04:00", "utc": "1986-08-26T16:57:43Z", "ms": 525459463484.7989 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:25 on Mon 25 Aug to 15:29 on Tue 26 Aug.", "fact": "1986-08-25T17:25:21Z → 1986-08-26T19:28:46Z" }, { "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": "Saptamī 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": "one day qualifies → only-day · margin 1641 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Valencia, 1986: Tuesday 26 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-25", "confidence": "determinate" } ], "quote": "In Valencia, Śītalā Saptamī 1986 falls on Tuesday 26 August. Saptamī runs from 13:25 on Mon 25 Aug to 15:29 on Tue 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-08-30", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-08-30", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 21003, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-08-29T22:36:03-04:00", "utc": "1986-08-30T02:36:03Z", "ms": 525753362802.77814 }, "end": { "local": "1986-08-31T00:32:51-04:00", "utc": "1986-08-31T04:32:51Z", "ms": 525846771244.56995 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-29T22:36:03-04:00", "utc": "1986-08-30T02:36:03Z", "ms": 525753362802.77814 }, "end": { "local": "1986-08-31T00:32:51-04:00", "utc": "1986-08-31T04:32:51Z", "ms": 525846771244.56995 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-08-30", "window": { "start": { "local": "1986-08-30T06:22:57-04:00", "utc": "1986-08-30T10:22:57Z", "ms": 525781376800.0005 }, "end": { "local": "1986-08-30T06:22:57-04:00", "utc": "1986-08-30T10:22:57Z", "ms": 525781376800.0005 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-08-31", "window": { "start": { "local": "1986-08-31T06:22:54-04:00", "utc": "1986-08-31T10:22:54Z", "ms": 525867774423.2441 }, "end": { "local": "1986-08-31T06:22:54-04:00", "utc": "1986-08-31T10:22:54Z", "ms": 525867774423.2441 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-08-31", "start": { "local": "1986-08-31T06:54:53-04:00", "utc": "1986-08-31T10:54:53Z", "ms": 525869692679.2331 }, "end": { "local": "1986-08-31T08:50:38-04:00", "utc": "1986-08-31T12:50:38Z", "ms": 525876638382.35516 }, "basis": "hari-vasara", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-09-01T02:00:57-04:00", "utc": "1986-09-01T06:00:57Z", "ms": 525938456983.22253 }, "hari_vasara_end": { "local": "1986-08-31T06:54:53-04:00", "utc": "1986-08-31T10:54:53Z", "ms": 525869692679.2331 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:36 on Fri 29 Aug to 00:33 on Sun 31 Aug.", "fact": "1986-08-30T02:36:03Z → 1986-08-31T04:32:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 30th and 06:23 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 21003 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Valencia, 1986: Saturday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-30", "confidence": "determinate" } ], "quote": "In Valencia, Ajā Ekādaśī 1986 falls on Saturday 30 August. Ekādaśī runs from 22:36 on Fri 29 Aug to 00:33 on Sun 31 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-09-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-01", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 20752, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-09-01T02:00:57-04:00", "utc": "1986-09-01T06:00:57Z", "ms": 525938456983.22253 }, "end": { "local": "1986-09-02T02:56:28-04:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-01T02:00:57-04:00", "utc": "1986-09-01T06:00:57Z", "ms": 525938456983.22253 }, "end": { "local": "1986-09-02T02:56:28-04:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-08-31", "window": { "start": { "local": "1986-08-31T18:41:34-04:00", "utc": "1986-08-31T22:41:34Z", "ms": 525912094218.79956 }, "end": { "local": "1986-08-31T20:15:05-04:00", "utc": "1986-09-01T00:15:05Z", "ms": 525917704563.8169 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1986-09-01", "window": { "start": { "local": "1986-09-01T18:40:59-04:00", "utc": "1986-09-01T22:40:59Z", "ms": 525998459251.70764 }, "end": { "local": "1986-09-01T20:14:34-04:00", "utc": "1986-09-02T00:14:34Z", "ms": 526004073879.53723 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:01 on Mon 1 Sep to 02:56 on Tue 2 Sep.", "fact": "1986-09-01T06:00:57Z → 1986-09-02T06:56:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:15 on the 31st, 18:41–20:15 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 31st and 94 of 94 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 20752 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Monday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-01", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Monday 1 September. Trayodaśī runs from 02:01 on Mon 1 Sep to 02:56 on Tue 2 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-02", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 24114, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-09-02T02:56:28-04:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "end": { "local": "1986-09-03T03:18:56-04:00", "utc": "1986-09-03T07:18:56Z", "ms": 526115936300.23645 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-02T02:56:28-04:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "end": { "local": "1986-09-03T03:18:56-04:00", "utc": "1986-09-03T07:18:56Z", "ms": 526115936300.23645 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-09-01", "window": { "start": { "local": "1986-09-01T18:40:59-04:00", "utc": "1986-09-01T22:40:59Z", "ms": 525998459251.70764 }, "end": { "local": "1986-09-01T20:14:34-04:00", "utc": "1986-09-02T00:14:34Z", "ms": 526004073879.53723 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1986-09-02", "window": { "start": { "local": "1986-09-02T18:40:24-04:00", "utc": "1986-09-02T22:40:24Z", "ms": 526084823941.59814 }, "end": { "local": "1986-09-02T20:14:03-04:00", "utc": "1986-09-03T00:14:03Z", "ms": 526090442868.798 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:56 on Tue 2 Sep to 03:19 on Wed 3 Sep.", "fact": "1986-09-02T06:56:28Z → 1986-09-03T07:18:56Z" }, { "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": "Caturdaśī 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. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 24114 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Valencia, 1986: Tuesday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-02", "confidence": "determinate" } ], "quote": "In Valencia, Aghora Caturdaśī 1986 falls on Tuesday 2 September. Caturdaśī runs from 02:56 on Tue 2 Sep to 03:19 on Wed 3 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/shivaratri?on=1986-09-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-02", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 7234, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-09-02T02:56:28-04:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "end": { "local": "1986-09-03T03:18:56-04:00", "utc": "1986-09-03T07:18:56Z", "ms": 526115936300.23645 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-02T02:56:28-04:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "end": { "local": "1986-09-03T03:18:56-04:00", "utc": "1986-09-03T07:18:56Z", "ms": 526115936300.23645 } }, "kaala": "nishita", "days": [ { "local_date": "1986-09-01", "window": { "start": { "local": "1986-09-02T00:07:54-04:00", "utc": "1986-09-02T04:07:54Z", "ms": 526018074106.06866 }, "end": { "local": "1986-09-02T00:55:54-04:00", "utc": "1986-09-02T04:55:54Z", "ms": 526020954106.06866 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-09-02", "window": { "start": { "local": "1986-09-03T00:07:35-04:00", "utc": "1986-09-03T04:07:35Z", "ms": 526104454918.59753 }, "end": { "local": "1986-09-03T00:55:35-04:00", "utc": "1986-09-03T04:55:35Z", "ms": 526107334918.59753 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:56 on Tue 2 Sep to 03:19 on Wed 3 Sep.", "fact": "1986-09-02T06:56:28Z → 1986-09-03T07:18:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 1st, 00:08–00:56 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 7234 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Tuesday 2 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": "1986-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-02", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Tuesday 2 September. Caturdaśī runs from 02:56 on Tue 2 Sep to 03:19 on Wed 3 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-09-02", "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/1986/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-04", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 32195, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-09-04T03:10:23-04:00", "utc": "1986-09-04T07:10:23Z", "ms": 526201822943.1244 }, "end": { "local": "1986-09-05T02:34:16-04:00", "utc": "1986-09-05T06:34:16Z", "ms": 526286055885.1289 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-04T03:10:23-04:00", "utc": "1986-09-04T07:10:23Z", "ms": 526201822943.1244 }, "end": { "local": "1986-09-05T02:34:16-04:00", "utc": "1986-09-05T06:34:16Z", "ms": 526286055885.1289 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-04", "window": { "start": { "local": "1986-09-04T12:06:57-04:00", "utc": "1986-09-04T16:06:57Z", "ms": 526234017492.2555 }, "end": { "local": "1986-09-04T12:54:57-04:00", "utc": "1986-09-04T16:54:57Z", "ms": 526236897492.2555 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-09-05", "window": { "start": { "local": "1986-09-05T12:06:38-04:00", "utc": "1986-09-05T16:06:38Z", "ms": 526320397639.4895 }, "end": { "local": "1986-09-05T12:54:38-04:00", "utc": "1986-09-05T16:54:38Z", "ms": 526323277639.4895 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:10 on Thu 4 Sep to 02:34 on Fri 5 Sep.", "fact": "1986-09-04T07:10:23Z → 1986-09-05T06:34:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 4th, 12:07–12:55 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 32195 s" }, { "step": "ruling", "text": "Rudra Vrata, Valencia, 1986: Thursday 4 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-04", "confidence": "determinate" } ], "quote": "In Valencia, Rudra Vrata 1986 falls on Thursday 4 September. Pratipadā runs from 03:10 on Thu 4 Sep to 02:34 on Fri 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 37899, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-09-06T01:34:38-04:00", "utc": "1986-09-06T05:34:38Z", "ms": 526368878111.68463 }, "end": { "local": "1986-09-07T00:15:29-04:00", "utc": "1986-09-07T04:15:29Z", "ms": 526450529012.3321 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-06T01:34:38-04:00", "utc": "1986-09-06T05:34:38Z", "ms": 526368878111.68463 }, "end": { "local": "1986-09-07T00:15:29-04:00", "utc": "1986-09-07T04:15:29Z", "ms": 526450529012.3321 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-06", "window": { "start": { "local": "1986-09-06T12:06:18-04:00", "utc": "1986-09-06T16:06:18Z", "ms": 526406777556.6098 }, "end": { "local": "1986-09-06T12:54:18-04:00", "utc": "1986-09-06T16:54:18Z", "ms": 526409657556.6098 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-09-07", "window": { "start": { "local": "1986-09-07T12:05:57-04:00", "utc": "1986-09-07T16:05:57Z", "ms": 526493157258.1603 }, "end": { "local": "1986-09-07T12:53:57-04:00", "utc": "1986-09-07T16:53:57Z", "ms": 526496037258.1603 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:35 on Sat 6 Sep to 00:15 on Sun 7 Sep.", "fact": "1986-09-06T05:34:38Z → 1986-09-07T04:15:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 6th, 12:06–12:54 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 37899 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Valencia, 1986: Saturday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-06", "confidence": "determinate" } ], "quote": "In Valencia, Haritālikā Vrata (Hartalika Teej) 1986 falls on Saturday 6 September. Tṛtīyā runs from 01:35 on Sat 6 Sep to 00:15 on Sun 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-07", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 35184, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-09-07T00:15:29-04:00", "utc": "1986-09-07T04:15:29Z", "ms": 526450529012.3321 }, "end": { "local": "1986-09-07T22:40:22-04:00", "utc": "1986-09-08T02:40:22Z", "ms": 526531221537.7265 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-07T00:15:29-04:00", "utc": "1986-09-07T04:15:29Z", "ms": 526450529012.3321 }, "end": { "local": "1986-09-07T22:40:22-04:00", "utc": "1986-09-08T02:40:22Z", "ms": 526531221537.7265 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-06", "window": { "start": { "local": "1986-09-06T12:06:18-04:00", "utc": "1986-09-06T16:06:18Z", "ms": 526406777556.6098 }, "end": { "local": "1986-09-06T12:54:18-04:00", "utc": "1986-09-06T16:54:18Z", "ms": 526409657556.6098 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-09-07", "window": { "start": { "local": "1986-09-07T12:05:57-04:00", "utc": "1986-09-07T16:05:57Z", "ms": 526493157258.1603 }, "end": { "local": "1986-09-07T12:53:57-04:00", "utc": "1986-09-07T16:53:57Z", "ms": 526496037258.1603 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:15 on Sun 7 Sep to 22:40 on Sun 7 Sep.", "fact": "1986-09-07T04:15:29Z → 1986-09-08T02:40:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 6th, 12:06–12:54 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 35184 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Valencia, 1986: Sunday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-07", "confidence": "determinate" } ], "quote": "In Valencia, Gaṇeśa Caturthī 1986 falls on Sunday 7 September. Caturthī runs from 00:15 on Sun 7 Sep to 22:40 on Sun 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-08", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 28718, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-09-07T22:40:22-04:00", "utc": "1986-09-08T02:40:22Z", "ms": 526531221537.7265 }, "end": { "local": "1986-09-08T20:52:14-04:00", "utc": "1986-09-09T00:52:14Z", "ms": 526611134276.05304 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-07T22:40:22-04:00", "utc": "1986-09-08T02:40:22Z", "ms": 526531221537.7265 }, "end": { "local": "1986-09-08T20:52:14-04:00", "utc": "1986-09-09T00:52:14Z", "ms": 526611134276.05304 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-07", "window": { "start": { "local": "1986-09-07T12:05:57-04:00", "utc": "1986-09-07T16:05:57Z", "ms": 526493157258.1603 }, "end": { "local": "1986-09-07T12:53:57-04:00", "utc": "1986-09-07T16:53:57Z", "ms": 526496037258.1603 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-09-08", "window": { "start": { "local": "1986-09-08T12:05:37-04:00", "utc": "1986-09-08T16:05:37Z", "ms": 526579536759.29395 }, "end": { "local": "1986-09-08T12:53:37-04:00", "utc": "1986-09-08T16:53:37Z", "ms": 526582416759.29395 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:40 on Sun 7 Sep to 20:52 on Mon 8 Sep.", "fact": "1986-09-08T02:40:22Z → 1986-09-09T00:52:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 7th, 12:06–12:54 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 28718 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Valencia, 1986: Monday 8 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-08", "confidence": "determinate" } ], "quote": "In Valencia, Ṛṣi Pañcamī 1986 falls on Monday 8 September. Pañcamī runs from 22:40 on Sun 7 Sep to 20:52 on Mon 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-09", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 21620, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-09-08T20:52:14-04:00", "utc": "1986-09-09T00:52:14Z", "ms": 526611134276.05304 }, "end": { "local": "1986-09-09T18:53:36-04:00", "utc": "1986-09-09T22:53:36Z", "ms": 526690416327.55725 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-08T20:52:14-04:00", "utc": "1986-09-09T00:52:14Z", "ms": 526611134276.05304 }, "end": { "local": "1986-09-09T18:53:36-04:00", "utc": "1986-09-09T22:53:36Z", "ms": 526690416327.55725 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-08", "window": { "start": { "local": "1986-09-08T12:05:37-04:00", "utc": "1986-09-08T16:05:37Z", "ms": 526579536759.29395 }, "end": { "local": "1986-09-08T12:53:37-04:00", "utc": "1986-09-08T16:53:37Z", "ms": 526582416759.29395 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-09-09", "window": { "start": { "local": "1986-09-09T12:05:16-04:00", "utc": "1986-09-09T16:05:16Z", "ms": 526665916075.97424 }, "end": { "local": "1986-09-09T12:53:16-04:00", "utc": "1986-09-09T16:53:16Z", "ms": 526668796075.97424 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:52 on Mon 8 Sep to 18:54 on Tue 9 Sep.", "fact": "1986-09-09T00:52:14Z → 1986-09-09T22:53:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 8th, 12:05–12:53 on the 9th.", "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 8th and 48 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": "one day qualifies → only-day · margin 21620 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Valencia, 1986: Tuesday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-09", "confidence": "determinate" } ], "quote": "In Valencia, Sūrya Ṣaṣṭhī (Bhādrapada) 1986 falls on Tuesday 9 September. Ṣaṣṭhī runs from 20:52 on Mon 8 Sep to 18:54 on Tue 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-10", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 14026, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-09-09T18:53:36-04:00", "utc": "1986-09-09T22:53:36Z", "ms": 526690416327.55725 }, "end": { "local": "1986-09-10T16:46:42-04:00", "utc": "1986-09-10T20:46:42Z", "ms": 526769201654.3151 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-09T18:53:36-04:00", "utc": "1986-09-09T22:53:36Z", "ms": 526690416327.55725 }, "end": { "local": "1986-09-10T16:46:42-04:00", "utc": "1986-09-10T20:46:42Z", "ms": 526769201654.3151 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-09", "window": { "start": { "local": "1986-09-09T12:05:16-04:00", "utc": "1986-09-09T16:05:16Z", "ms": 526665916075.97424 }, "end": { "local": "1986-09-09T12:53:16-04:00", "utc": "1986-09-09T16:53:16Z", "ms": 526668796075.97424 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-09-10", "window": { "start": { "local": "1986-09-10T12:04:55-04:00", "utc": "1986-09-10T16:04:55Z", "ms": 526752295225.13605 }, "end": { "local": "1986-09-10T12:52:55-04:00", "utc": "1986-09-10T16:52:55Z", "ms": 526755175225.13605 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:54 on Tue 9 Sep to 16:47 on Wed 10 Sep.", "fact": "1986-09-09T22:53:36Z → 1986-09-10T20:46:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 9th, 12:05–12:53 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 14026 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Valencia, 1986: Wednesday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-10", "confidence": "determinate" } ], "quote": "In Valencia, Muktābharaṇa Vrata 1986 falls on Wednesday 10 September. Saptamī runs from 18:54 on Tue 9 Sep to 16:47 on Wed 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 6074, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-09-10T16:46:42-04:00", "utc": "1986-09-10T20:46:42Z", "ms": 526769201654.3151 }, "end": { "local": "1986-09-11T14:33:49-04:00", "utc": "1986-09-11T18:33:49Z", "ms": 526847628553.0733 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-10T16:46:42-04:00", "utc": "1986-09-10T20:46:42Z", "ms": 526769201654.3151 }, "end": { "local": "1986-09-11T14:33:49-04:00", "utc": "1986-09-11T18:33:49Z", "ms": 526847628553.0733 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-10", "window": { "start": { "local": "1986-09-10T12:04:55-04:00", "utc": "1986-09-10T16:04:55Z", "ms": 526752295225.13605 }, "end": { "local": "1986-09-10T12:52:55-04:00", "utc": "1986-09-10T16:52:55Z", "ms": 526755175225.13605 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-09-11", "window": { "start": { "local": "1986-09-11T12:04:34-04:00", "utc": "1986-09-11T16:04:34Z", "ms": 526838674224.79895 }, "end": { "local": "1986-09-11T12:52:34-04:00", "utc": "1986-09-11T16:52:34Z", "ms": 526841554224.79895 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:47 on Wed 10 Sep to 14:34 on Thu 11 Sep.", "fact": "1986-09-10T20:46:42Z → 1986-09-11T18:33:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 10th, 12:05–12:53 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 6074 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Valencia, 1986: Thursday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-11", "confidence": "determinate" } ], "quote": "In Valencia, Rādhāṣṭamī 1986 falls on Thursday 11 September. Aṣṭamī runs from 16:47 on Wed 10 Sep to 14:34 on Thu 11 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-09-14", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-14", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 5270, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-09-13T10:01:37-04:00", "utc": "1986-09-13T14:01:37Z", "ms": 527004096668.89246 }, "end": { "local": "1986-09-14T07:49:51-04:00", "utc": "1986-09-14T11:49:51Z", "ms": 527082591168.302 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-13T10:01:37-04:00", "utc": "1986-09-13T14:01:37Z", "ms": 527004096668.89246 }, "end": { "local": "1986-09-14T07:49:51-04:00", "utc": "1986-09-14T11:49:51Z", "ms": 527082591168.302 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-09-13", "window": { "start": { "local": "1986-09-13T06:22:06-04:00", "utc": "1986-09-13T10:22:06Z", "ms": 526990925699.93774 }, "end": { "local": "1986-09-13T06:22:06-04:00", "utc": "1986-09-13T10:22:06Z", "ms": 526990925699.93774 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-09-14", "window": { "start": { "local": "1986-09-14T06:22:01-04:00", "utc": "1986-09-14T10:22:01Z", "ms": 527077321022.9925 }, "end": { "local": "1986-09-14T06:22:01-04:00", "utc": "1986-09-14T10:22:01Z", "ms": 527077321022.9925 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-09-15", "start": { "local": "1986-09-15T06:21:56-04:00", "utc": "1986-09-15T10:21:56Z", "ms": 527163716294.47626 }, "end": { "local": "1986-09-15T08:48:01-04:00", "utc": "1986-09-15T12:48:01Z", "ms": 527172481428.0974 }, "basis": "dvadashi-over", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-09-15T05:47:23-04:00", "utc": "1986-09-15T09:47:23Z", "ms": 527161642678.5187 }, "hari_vasara_end": { "local": "1986-09-14T13:19:14-04:00", "utc": "1986-09-14T17:19:14Z", "ms": 527102354045.8562 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:02 on Sat 13 Sep to 07:50 on Sun 14 Sep.", "fact": "1986-09-13T14:01:37Z → 1986-09-14T11:49:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 13th and 06:22 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": "one day qualifies → only-day · margin 5270 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Valencia, 1986: Sunday 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-14", "confidence": "determinate" } ], "quote": "In Valencia, Parivartanī Ekādaśī 1986 falls on Sunday 14 September. Ekādaśī runs from 10:02 on Sat 13 Sep to 07:50 on Sun 14 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-09-14", "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/1986/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-14", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 15219, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-09-14T07:49:51-04:00", "utc": "1986-09-14T11:49:51Z", "ms": 527082591168.302 }, "end": { "local": "1986-09-15T05:47:23-04:00", "utc": "1986-09-15T09:47:23Z", "ms": 527161642678.5187 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-14T07:49:51-04:00", "utc": "1986-09-14T11:49:51Z", "ms": 527082591168.302 }, "end": { "local": "1986-09-15T05:47:23-04:00", "utc": "1986-09-15T09:47:23Z", "ms": 527161642678.5187 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-14", "window": { "start": { "local": "1986-09-14T12:03:31-04:00", "utc": "1986-09-14T16:03:31Z", "ms": 527097810524.10815 }, "end": { "local": "1986-09-14T12:51:31-04:00", "utc": "1986-09-14T16:51:31Z", "ms": 527100690524.10815 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-09-15", "window": { "start": { "local": "1986-09-15T12:03:09-04:00", "utc": "1986-09-15T16:03:09Z", "ms": 527184189128.52905 }, "end": { "local": "1986-09-15T12:51:09-04:00", "utc": "1986-09-15T16:51:09Z", "ms": 527187069128.52905 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:50 on Sun 14 Sep to 05:47 on Mon 15 Sep.", "fact": "1986-09-14T11:49:51Z → 1986-09-15T09:47:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 14th, 12:03–12:51 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 15219 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Valencia, 1986: Sunday 14 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-14", "confidence": "determinate" } ], "quote": "In Valencia, Vāmana Jayantī 1986 falls on Sunday 14 September. Dvādaśī runs from 07:50 on Sun 14 Sep to 05:47 on Mon 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/pradosha-vrata?on=1986-09-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-15", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 28373, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-09-15T05:47:23-04:00", "utc": "1986-09-15T09:47:23Z", "ms": 527161642678.5187 }, "end": { "local": "1986-09-16T03:59:51-04:00", "utc": "1986-09-16T07:59:51Z", "ms": 527241590986.8154 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-15T05:47:23-04:00", "utc": "1986-09-15T09:47:23Z", "ms": 527161642678.5187 }, "end": { "local": "1986-09-16T03:59:51-04:00", "utc": "1986-09-16T07:59:51Z", "ms": 527241590986.8154 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-09-14", "window": { "start": { "local": "1986-09-14T18:33:00-04:00", "utc": "1986-09-14T22:33:00Z", "ms": 527121180025.2239 }, "end": { "local": "1986-09-14T20:07:32-04:00", "utc": "1986-09-15T00:07:32Z", "ms": 527126851527.79083 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1986-09-15", "window": { "start": { "local": "1986-09-15T18:32:22-04:00", "utc": "1986-09-15T22:32:22Z", "ms": 527207541962.5819 }, "end": { "local": "1986-09-15T20:06:58-04:00", "utc": "1986-09-16T00:06:58Z", "ms": 527213217905.5845 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:47 on Mon 15 Sep to 04:00 on Tue 16 Sep.", "fact": "1986-09-15T09:47:23Z → 1986-09-16T07:59:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:08 on the 14th, 18:32–20:07 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 14th and 95 of 95 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 28373 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Monday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-15", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Monday 15 September. Trayodaśī runs from 05:47 on Mon 15 Sep to 04:00 on Tue 16 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-16", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 8521, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-09-16T03:59:51-04:00", "utc": "1986-09-16T07:59:51Z", "ms": 527241590986.8154 }, "end": { "local": "1986-09-17T02:33:18-04:00", "utc": "1986-09-17T06:33:18Z", "ms": 527322798441.87024 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-16T03:59:51-04:00", "utc": "1986-09-16T07:59:51Z", "ms": 527241590986.8154 }, "end": { "local": "1986-09-17T02:33:18-04:00", "utc": "1986-09-17T06:33:18Z", "ms": 527322798441.87024 } }, "kaala": "udaya-3", "days": [ { "local_date": "1986-09-16", "window": { "start": { "local": "1986-09-16T06:21:52-04:00", "utc": "1986-09-16T10:21:52Z", "ms": 527250111535.10095 }, "end": { "local": "1986-09-16T08:47:50-04:00", "utc": "1986-09-16T12:47:50Z", "ms": 527258869996.992 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "1986-09-17", "window": { "start": { "local": "1986-09-17T06:21:47-04:00", "utc": "1986-09-17T10:21:47Z", "ms": 527336506766.30664 }, "end": { "local": "1986-09-17T08:47:39-04:00", "utc": "1986-09-17T12:47:39Z", "ms": 527345258552.4499 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:00 on Tue 16 Sep to 02:33 on Wed 17 Sep.", "fact": "1986-09-16T07:59:51Z → 1986-09-17T06:33:18Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:22–08:48 on the 16th, 06:22–08:48 on the 17th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 146 of 146 minutes on the 16th and 0 of 146 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 8521 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Valencia, 1986: Tuesday 16 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": "1986-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-16", "confidence": "determinate" } ], "quote": "In Valencia, Ananta Caturdaśī 1986 falls on Tuesday 16 September. Caturdaśī runs from 04:00 on Tue 16 Sep to 02:33 on Wed 17 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-09-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-21", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 20514, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-09-21T02:02:09-04:00", "utc": "1986-09-21T06:02:09Z", "ms": 527666529295.8199 }, "end": { "local": "1986-09-22T03:25:26-04:00", "utc": "1986-09-22T07:25:26Z", "ms": 527757926285.5167 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-21T02:02:09-04:00", "utc": "1986-09-21T06:02:09Z", "ms": 527666529295.8199 }, "end": { "local": "1986-09-22T03:25:26-04:00", "utc": "1986-09-22T07:25:26Z", "ms": 527757926285.5167 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-09-20", "window": { "start": { "local": "1986-09-20T20:20:16-04:00", "utc": "1986-09-21T00:20:16Z", "ms": 527646015623.1273 }, "end": { "local": "1986-09-20T20:20:16-04:00", "utc": "1986-09-21T00:20:16Z", "ms": 527646015623.1273 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-09-21", "window": { "start": { "local": "1986-09-21T21:00:34-04:00", "utc": "1986-09-22T01:00:34Z", "ms": 527734833579.9859 }, "end": { "local": "1986-09-21T21:00:34-04:00", "utc": "1986-09-22T01:00:34Z", "ms": 527734833579.9859 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:02 on Sun 21 Sep to 03:25 on Mon 22 Sep.", "fact": "1986-09-21T06:02:09Z → 1986-09-22T07:25:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:20 on the 20th and 21:01 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 20514 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Sunday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-21", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Sunday 21 September. Caturthī runs from 02:02 on Sun 21 Sep to 03:25 on Mon 22 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-23", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 27421, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-09-23T05:20:03-04:00", "utc": "1986-09-23T09:20:03Z", "ms": 527851203406.5366 }, "end": { "local": "1986-09-24T07:37:02-04:00", "utc": "1986-09-24T11:37:02Z", "ms": 527945822113.6804 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-23T05:20:03-04:00", "utc": "1986-09-23T09:20:03Z", "ms": 527851203406.5366 }, "end": { "local": "1986-09-24T07:37:02-04:00", "utc": "1986-09-24T11:37:02Z", "ms": 527945822113.6804 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-09-22", "window": { "start": { "local": "1986-09-22T21:43:03-04:00", "utc": "1986-09-23T01:43:03Z", "ms": 527823782713.1126 }, "end": { "local": "1986-09-22T21:43:03-04:00", "utc": "1986-09-23T01:43:03Z", "ms": 527823782713.1126 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-09-23", "window": { "start": { "local": "1986-09-23T22:28:18-04:00", "utc": "1986-09-24T02:28:18Z", "ms": 527912897608.73083 }, "end": { "local": "1986-09-23T22:28:18-04:00", "utc": "1986-09-24T02:28:18Z", "ms": 527912897608.73083 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:20 on Tue 23 Sep to 07:37 on Wed 24 Sep.", "fact": "1986-09-23T09:20:03Z → 1986-09-24T11:37:02Z" }, { "step": "kaala", "text": "Moonrise is at 21:43 on the 22nd and 22:28 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 27421 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Valencia, 1986: Tuesday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-23", "confidence": "determinate" } ], "quote": "In Valencia, Candra Ṣaṣṭhī 1986 falls on Tuesday 23 September. Ṣaṣṭhī runs from 05:20 on Tue 23 Sep to 07:37 on Wed 24 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-25", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 21457, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-09-25T10:04:14-04:00", "utc": "1986-09-25T14:04:14Z", "ms": 528041053648.1122 }, "end": { "local": "1986-09-26T12:27:48-04:00", "utc": "1986-09-26T16:27:48Z", "ms": 528136067932.25726 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-25T10:04:14-04:00", "utc": "1986-09-25T14:04:14Z", "ms": 528041053648.1122 }, "end": { "local": "1986-09-26T12:27:48-04:00", "utc": "1986-09-26T16:27:48Z", "ms": 528136067932.25726 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-09-25", "window": { "start": { "local": "1986-09-25T18:26:03-04:00", "utc": "1986-09-25T22:26:03Z", "ms": 528071162519.65405 }, "end": { "local": "1986-09-25T20:01:23-04:00", "utc": "1986-09-26T00:01:23Z", "ms": 528076883110.283 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1986-09-26", "window": { "start": { "local": "1986-09-26T18:25:25-04:00", "utc": "1986-09-26T22:25:25Z", "ms": 528157525242.206 }, "end": { "local": "1986-09-26T20:00:50-04:00", "utc": "1986-09-27T00:00:50Z", "ms": 528163250308.3388 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:04 on Thu 25 Sep to 12:28 on Fri 26 Sep.", "fact": "1986-09-25T14:04:14Z → 1986-09-26T16:27:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–20:01 on the 25th, 18:25–20:01 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 95 of 95 minutes on the 25th and 0 of 95 on the 26th.", "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": "one day qualifies → only-day · margin 21457 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Valencia, 1986: Thursday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-25", "confidence": "determinate" } ], "quote": "In Valencia, Jitāṣṭamī (Jitiya) 1986 falls on Thursday 25 September. Aṣṭamī runs from 10:04 on Thu 25 Sep to 12:28 on Fri 26 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-25", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 38866, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-09-25T10:04:14-04:00", "utc": "1986-09-25T14:04:14Z", "ms": 528041053648.1122 }, "end": { "local": "1986-09-26T12:27:48-04:00", "utc": "1986-09-26T16:27:48Z", "ms": 528136067932.25726 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-25T10:04:14-04:00", "utc": "1986-09-25T14:04:14Z", "ms": 528041053648.1122 }, "end": { "local": "1986-09-26T12:27:48-04:00", "utc": "1986-09-26T16:27:48Z", "ms": 528136067932.25726 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-09-24", "window": { "start": { "local": "1986-09-24T23:16:27-04:00", "utc": "1986-09-25T03:16:27Z", "ms": 528002187462.6168 }, "end": { "local": "1986-09-24T23:16:27-04:00", "utc": "1986-09-25T03:16:27Z", "ms": 528002187462.6168 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-09-25", "window": { "start": { "local": "1986-09-26T00:07:10-04:00", "utc": "1986-09-26T04:07:10Z", "ms": 528091629697.1689 }, "end": { "local": "1986-09-26T00:07:10-04:00", "utc": "1986-09-26T04:07:10Z", "ms": 528091629697.1689 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:04 on Thu 25 Sep to 12:28 on Fri 26 Sep.", "fact": "1986-09-25T14:04:14Z → 1986-09-26T16:27:48Z" }, { "step": "kaala", "text": "Moonrise is at 23:16 on the 24th and 00:07 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 38866 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Valencia, 1986: Thursday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-25", "confidence": "determinate" } ], "quote": "In Valencia, Mahālakṣmī Vrata Samāpana 1986 falls on Thursday 25 September. Aṣṭamī runs from 10:04 on Thu 25 Sep to 12:28 on Fri 26 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-09-29", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-29", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 35471, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-09-28T16:12:11-04:00", "utc": "1986-09-28T20:12:11Z", "ms": 528322330649.8693 }, "end": { "local": "1986-09-29T17:13:56-04:00", "utc": "1986-09-29T21:13:56Z", "ms": 528412435729.3018 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-28T16:12:11-04:00", "utc": "1986-09-28T20:12:11Z", "ms": 528322330649.8693 }, "end": { "local": "1986-09-29T17:13:56-04:00", "utc": "1986-09-29T21:13:56Z", "ms": 528412435729.3018 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-09-28", "window": { "start": { "local": "1986-09-28T06:21:00-04:00", "utc": "1986-09-28T10:21:00Z", "ms": 528286859737.65643 }, "end": { "local": "1986-09-28T06:21:00-04:00", "utc": "1986-09-28T10:21:00Z", "ms": 528286859737.65643 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-09-29", "window": { "start": { "local": "1986-09-29T06:20:56-04:00", "utc": "1986-09-29T10:20:56Z", "ms": 528373256464.7538 }, "end": { "local": "1986-09-29T06:20:56-04:00", "utc": "1986-09-29T10:20:56Z", "ms": 528373256464.7538 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-09-30", "start": { "local": "1986-09-30T06:20:53-04:00", "utc": "1986-09-30T10:20:53Z", "ms": 528459653435.90216 }, "end": { "local": "1986-09-30T08:45:18-04:00", "utc": "1986-09-30T12:45:18Z", "ms": 528468318452.7338 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-09-30T17:35:43-04:00", "utc": "1986-09-30T21:35:43Z", "ms": 528500143452.8475 }, "hari_vasara_end": { "local": "1986-09-29T23:19:23-04:00", "utc": "1986-09-30T03:19:23Z", "ms": 528434362660.18823 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:12 on Sun 28 Sep to 17:14 on Mon 29 Sep.", "fact": "1986-09-28T20:12:11Z → 1986-09-29T21:13:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 28th and 06:21 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 35471 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Valencia, 1986: Monday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-29", "confidence": "determinate" } ], "quote": "In Valencia, Indirā Ekādaśī 1986 falls on Monday 29 September. Ekādaśī runs from 16:12 on Sun 28 Sep to 17:14 on Mon 29 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-09-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-09-30", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 2835, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-09-30T17:35:43-04:00", "utc": "1986-09-30T21:35:43Z", "ms": 528500143452.8475 }, "end": { "local": "1986-10-01T17:17:31-04:00", "utc": "1986-10-01T21:17:31Z", "ms": 528585451266.6307 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-30T17:35:43-04:00", "utc": "1986-09-30T21:35:43Z", "ms": 528500143452.8475 }, "end": { "local": "1986-10-01T17:17:31-04:00", "utc": "1986-10-01T21:17:31Z", "ms": 528585451266.6307 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-09-30", "window": { "start": { "local": "1986-09-30T18:22:59-04:00", "utc": "1986-09-30T22:22:59Z", "ms": 528502978520.0606 }, "end": { "local": "1986-09-30T19:58:41-04:00", "utc": "1986-09-30T23:58:41Z", "ms": 528508721472.9863 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1986-10-01", "window": { "start": { "local": "1986-10-01T18:22:23-04:00", "utc": "1986-10-01T22:22:23Z", "ms": 528589342546.21234 }, "end": { "local": "1986-10-01T19:58:10-04:00", "utc": "1986-10-01T23:58:10Z", "ms": 528595089963.1333 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:36 on Tue 30 Sep to 17:18 on Wed 1 Oct.", "fact": "1986-09-30T21:35:43Z → 1986-10-01T21:17:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:59 on the 30th, 18:22–19:58 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 30th and 0 of 96 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 2835 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Tuesday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-30", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Tuesday 30 September. Trayodaśī runs from 17:36 on Tue 30 Sep to 17:18 on Wed 1 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-09-30", "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/1986/shivaratri?on=1986-10-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-01", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 24004, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-10-01T17:17:31-04:00", "utc": "1986-10-01T21:17:31Z", "ms": 528585451266.6307 }, "end": { "local": "1986-10-02T16:22:13-04:00", "utc": "1986-10-02T20:22:13Z", "ms": 528668533203.9076 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-01T17:17:31-04:00", "utc": "1986-10-01T21:17:31Z", "ms": 528585451266.6307 }, "end": { "local": "1986-10-02T16:22:13-04:00", "utc": "1986-10-02T20:22:13Z", "ms": 528668533203.9076 } }, "kaala": "nishita", "days": [ { "local_date": "1986-10-01", "window": { "start": { "local": "1986-10-01T23:57:35-04:00", "utc": "1986-10-02T03:57:35Z", "ms": 528609455359.666 }, "end": { "local": "1986-10-02T00:45:35-04:00", "utc": "1986-10-02T04:45:35Z", "ms": 528612335359.666 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-10-02", "window": { "start": { "local": "1986-10-02T23:57:16-04:00", "utc": "1986-10-03T03:57:16Z", "ms": 528695836432.4341 }, "end": { "local": "1986-10-03T00:45:16-04:00", "utc": "1986-10-03T04:45:16Z", "ms": 528698716432.4341 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:18 on Wed 1 Oct to 16:22 on Thu 2 Oct.", "fact": "1986-10-01T21:17:31Z → 1986-10-02T20:22:13Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:58–00:46 on the 1st, 23:57–00:45 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 24004 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Wednesday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-01", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Wednesday 1 October. Caturdaśī runs from 17:18 on Wed 1 Oct to 16:22 on Thu 2 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-10-01", "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/1986/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-03", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1478, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1986-10-02T16:22:13-04:00", "utc": "1986-10-02T20:22:13Z", "ms": 528668533203.9076 }, "end": { "local": "1986-10-03T14:54:46-04:00", "utc": "1986-10-03T18:54:46Z", "ms": 528749685616.62067 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-02T16:22:13-04:00", "utc": "1986-10-02T20:22:13Z", "ms": 528668533203.9076 }, "end": { "local": "1986-10-03T14:54:46-04:00", "utc": "1986-10-03T18:54:46Z", "ms": 528749685616.62067 } }, "kaala": "aparahna", "days": [ { "local_date": "1986-10-02", "window": { "start": { "local": "1986-10-02T13:33:23-04:00", "utc": "1986-10-02T17:33:23Z", "ms": 528658403407.2469 }, "end": { "local": "1986-10-02T15:57:35-04:00", "utc": "1986-10-02T19:57:35Z", "ms": 528667055151.956 } }, "covered_min": 0, "window_min": 144, "qualifies": false }, { "local_date": "1986-10-03", "window": { "start": { "local": "1986-10-03T13:33:01-04:00", "utc": "1986-10-03T17:33:01Z", "ms": 528744781341.989 }, "end": { "local": "1986-10-03T15:57:06-04:00", "utc": "1986-10-03T19:57:06Z", "ms": 528753426466.5843 } }, "covered_min": 82, "window_min": 144, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:22 on Thu 2 Oct to 14:55 on Fri 3 Oct.", "fact": "1986-10-02T20:22:13Z → 1986-10-03T18:54:46Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:33–15:58 on the 2nd, 13:33–15:57 on the 3rd.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 144 minutes on the 2nd and 82 of 144 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 1478 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Valencia, 1986: Friday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-03", "confidence": "determinate" } ], "quote": "In Valencia, Mahālaya Amāvāsyā 1986 falls on Friday 3 October. Amāvasyā runs from 16:22 on Thu 2 Oct to 14:55 on Fri 3 Oct and covers 82 of 144 minutes of aparāhṇa that afternoon.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-04", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 997, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-10-03T14:54:46-04:00", "utc": "1986-10-03T18:54:46Z", "ms": 528749685616.62067 }, "end": { "local": "1986-10-04T13:01:17-04:00", "utc": "1986-10-04T17:01:17Z", "ms": 528829276946.6685 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-03T14:54:46-04:00", "utc": "1986-10-03T18:54:46Z", "ms": 528749685616.62067 }, "end": { "local": "1986-10-04T13:01:17-04:00", "utc": "1986-10-04T17:01:17Z", "ms": 528829276946.6685 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-10-03", "window": { "start": { "local": "1986-10-03T11:56:59-04:00", "utc": "1986-10-03T15:56:59Z", "ms": 528739018779.69135 }, "end": { "local": "1986-10-03T12:44:59-04:00", "utc": "1986-10-03T16:44:59Z", "ms": 528741898779.69135 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-10-04", "window": { "start": { "local": "1986-10-04T11:56:40-04:00", "utc": "1986-10-04T15:56:40Z", "ms": 528825400357.3982 }, "end": { "local": "1986-10-04T12:44:40-04:00", "utc": "1986-10-04T16:44:40Z", "ms": 528828280357.3982 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:55 on Fri 3 Oct to 13:01 on Sat 4 Oct.", "fact": "1986-10-03T18:54:46Z → 1986-10-04T17:01:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 3rd, 11:57–12:45 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 997 s" }, { "step": "ruling", "text": "Navarātrārambha, Valencia, 1986: Saturday 4 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-04", "confidence": "determinate" } ], "quote": "In Valencia, Navarātrārambha (Navratri) 1986 falls on Saturday 4 October. Pratipadā runs from 14:55 on Fri 3 Oct to 13:01 on Sat 4 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vinayaka-chaturthi?on=1986-10-06", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 12786, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-10-06T08:22:58-04:00", "utc": "1986-10-06T12:22:58Z", "ms": 528985378095.07794 }, "end": { "local": "1986-10-07T05:51:12-04:00", "utc": "1986-10-07T09:51:12Z", "ms": 529062672000.27075 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-06T08:22:58-04:00", "utc": "1986-10-06T12:22:58Z", "ms": 528985378095.07794 }, "end": { "local": "1986-10-07T05:51:12-04:00", "utc": "1986-10-07T09:51:12Z", "ms": 529062672000.27075 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-10-06", "window": { "start": { "local": "1986-10-06T11:56:05-04:00", "utc": "1986-10-06T15:56:05Z", "ms": 528998164575.209 }, "end": { "local": "1986-10-06T12:44:05-04:00", "utc": "1986-10-06T16:44:05Z", "ms": 529001044575.209 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-10-07", "window": { "start": { "local": "1986-10-07T11:55:47-04:00", "utc": "1986-10-07T15:55:47Z", "ms": 529084547247.0538 }, "end": { "local": "1986-10-07T12:43:47-04:00", "utc": "1986-10-07T16:43:47Z", "ms": 529087427247.0538 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:23 on Mon 6 Oct to 05:51 on Tue 7 Oct.", "fact": "1986-10-06T12:22:58Z → 1986-10-07T09:51:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 6th, 11:56–12:44 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 12786 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Monday 6 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-06", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Monday 6 October. Caturthī runs from 08:23 on Mon 6 Oct to 05:51 on Tue 7 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-10-06", "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/1986/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-09", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 19754, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-10-09T00:51:26-04:00", "utc": "1986-10-09T04:51:26Z", "ms": 529217485992.66754 }, "end": { "local": "1986-10-09T22:32:59-04:00", "utc": "1986-10-10T02:32:59Z", "ms": 529295579173.4066 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-09T00:51:26-04:00", "utc": "1986-10-09T04:51:26Z", "ms": 529217485992.66754 }, "end": { "local": "1986-10-09T22:32:59-04:00", "utc": "1986-10-10T02:32:59Z", "ms": 529295579173.4066 } }, "kaala": "udaya-1", "days": [ { "local_date": "1986-10-09", "window": { "start": { "local": "1986-10-09T06:20:40-04:00", "utc": "1986-10-09T10:20:40Z", "ms": 529237239540.5172 }, "end": { "local": "1986-10-09T07:08:28-04:00", "utc": "1986-10-09T11:08:28Z", "ms": 529240108108.3041 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-10-10", "window": { "start": { "local": "1986-10-10T06:20:40-04:00", "utc": "1986-10-10T10:20:40Z", "ms": 529323639725.26825 }, "end": { "local": "1986-10-10T07:08:26-04:00", "utc": "1986-10-10T11:08:26Z", "ms": 529326506123.76965 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:51 on Thu 9 Oct to 22:33 on Thu 9 Oct.", "fact": "1986-10-09T04:51:26Z → 1986-10-10T02:32:59Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:21–07:08 on the 9th, 06:21–07:08 on the 10th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 19754 s" }, { "step": "ruling", "text": "Durgā Saptamī, Valencia, 1986: Thursday 9 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-09", "confidence": "determinate" } ], "quote": "In Valencia, Durgā Saptamī 1986 falls on Thursday 9 October. Saptamī runs from 00:51 on Thu 9 Oct to 22:33 on Thu 9 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-10", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 27862, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-10-09T22:32:59-04:00", "utc": "1986-10-10T02:32:59Z", "ms": 529295579173.4066 }, "end": { "local": "1986-10-10T20:27:20-04:00", "utc": "1986-10-11T00:27:20Z", "ms": 529374439836.9099 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-09T22:32:59-04:00", "utc": "1986-10-10T02:32:59Z", "ms": 529295579173.4066 }, "end": { "local": "1986-10-10T20:27:20-04:00", "utc": "1986-10-11T00:27:20Z", "ms": 529374439836.9099 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-10-09", "window": { "start": { "local": "1986-10-09T11:55:14-04:00", "utc": "1986-10-09T15:55:14Z", "ms": 529257313798.9189 }, "end": { "local": "1986-10-09T12:43:14-04:00", "utc": "1986-10-09T16:43:14Z", "ms": 529260193798.9189 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-10-10", "window": { "start": { "local": "1986-10-10T11:54:58-04:00", "utc": "1986-10-10T15:54:58Z", "ms": 529343697714.0287 }, "end": { "local": "1986-10-10T12:42:58-04:00", "utc": "1986-10-10T16:42:58Z", "ms": 529346577714.0287 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:33 on Thu 9 Oct to 20:27 on Fri 10 Oct.", "fact": "1986-10-10T02:32:59Z → 1986-10-11T00:27:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 9th, 11:55–12:43 on the 10th.", "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 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 27862 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Valencia, 1986: Friday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-10", "confidence": "determinate" } ], "quote": "In Valencia, Mahāṣṭamī (Durga Ashtami) 1986 falls on Friday 10 October. Aṣṭamī runs from 22:33 on Thu 9 Oct to 20:27 on Fri 10 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 21291, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1986-10-10T20:27:20-04:00", "utc": "1986-10-11T00:27:20Z", "ms": 529374439836.9099 }, "end": { "local": "1986-10-11T18:37:33-04:00", "utc": "1986-10-11T22:37:33Z", "ms": 529454252658.15765 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-10T20:27:20-04:00", "utc": "1986-10-11T00:27:20Z", "ms": 529374439836.9099 }, "end": { "local": "1986-10-11T18:37:33-04:00", "utc": "1986-10-11T22:37:33Z", "ms": 529454252658.15765 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-10-10", "window": { "start": { "local": "1986-10-10T11:54:58-04:00", "utc": "1986-10-10T15:54:58Z", "ms": 529343697714.0287 }, "end": { "local": "1986-10-10T12:42:58-04:00", "utc": "1986-10-10T16:42:58Z", "ms": 529346577714.0287 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-10-11", "window": { "start": { "local": "1986-10-11T11:54:42-04:00", "utc": "1986-10-11T15:54:42Z", "ms": 529430082080.1028 }, "end": { "local": "1986-10-11T12:42:42-04:00", "utc": "1986-10-11T16:42:42Z", "ms": 529432962080.1028 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Navamī runs from 20:27 on Fri 10 Oct to 18:38 on Sat 11 Oct.", "fact": "1986-10-11T00:27:20Z → 1986-10-11T22:37:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 10th, 11:55–12:43 on the 11th.", "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 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 21291 s" }, { "step": "ruling", "text": "Mahānavamī, Valencia, 1986: Saturday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-11", "confidence": "determinate" } ], "quote": "In Valencia, Mahānavamī 1986 falls on Saturday 11 October. Navamī runs from 20:27 on Fri 10 Oct to 18:38 on Sat 11 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-12", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1249, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1986-10-11T18:37:33-04:00", "utc": "1986-10-11T22:37:33Z", "ms": 529454252658.15765 }, "end": { "local": "1986-10-12T17:06:14-04:00", "utc": "1986-10-12T21:06:14Z", "ms": 529535173754.4273 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1986-10-11T18:37:33-04:00", "utc": "1986-10-11T22:37:33Z", "ms": 529454252658.15765 }, "end": { "local": "1986-10-12T13:11:22-04:00", "utc": "1986-10-12T17:11:22Z", "ms": 529521082190.4717 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1986-10-11T14:03:45-04:00", "utc": "1986-10-11T18:03:45Z", "ms": 529437825032.89557 }, "end": { "local": "1986-10-12T13:11:22-04:00", "utc": "1986-10-12T17:11:22Z", "ms": 529521082190.4717 } } }, "kaala": "daytime", "days": [ { "local_date": "1986-10-11", "window": { "start": { "local": "1986-10-11T06:20:40-04:00", "utc": "1986-10-11T10:20:40Z", "ms": 529410040307.1432 }, "end": { "local": "1986-10-11T18:16:44-04:00", "utc": "1986-10-11T22:16:44Z", "ms": 529453003853.0624 } }, "covered_min": 0, "window_min": 716, "qualifies": false }, { "local_date": "1986-10-12", "window": { "start": { "local": "1986-10-12T06:20:41-04:00", "utc": "1986-10-12T10:20:41Z", "ms": 529496441302.41736 }, "end": { "local": "1986-10-12T18:16:13-04:00", "utc": "1986-10-12T22:16:13Z", "ms": 529539372531.223 } }, "covered_min": 411, "window_min": 716, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Daśamī runs from 18:38 on Sat 11 Oct to 17:06 on Sun 12 Oct, and Śravaṇa from 14:04 on Sat 11 Oct to 13:11 on Sun 12 Oct. They are together from 18:38 on Sat 11 Oct to 13:11 on Sun 12 Oct.", "fact": "1986-10-11T22:37:33Z → 1986-10-12T17:11:22Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:21–18:17 on the 11th, 06:21–18:16 on the 12th.", "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 716 minutes on the 11th and 411 of 716 on the 12th.", "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": "one day qualifies → only-day · margin 1249 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Valencia, 1986: Sunday 12 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." }, "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-12", "confidence": "determinate" } ], "quote": "In Valencia, Vijayā Daśamī (Dussehra) 1986 falls on Sunday 12 October. Daśamī runs from 18:38 on Sat 11 Oct to 17:06 on Sun 12 Oct and is with Śravaṇa in the day time that day, for 411 minutes.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-10-13", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 34498, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-10-12T17:06:14-04:00", "utc": "1986-10-12T21:06:14Z", "ms": 529535173754.4273 }, "end": { "local": "1986-10-13T15:55:41-04:00", "utc": "1986-10-13T19:55:41Z", "ms": 529617340621.1091 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-12T17:06:14-04:00", "utc": "1986-10-12T21:06:14Z", "ms": 529535173754.4273 }, "end": { "local": "1986-10-13T15:55:41-04:00", "utc": "1986-10-13T19:55:41Z", "ms": 529617340621.1091 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-10-12", "window": { "start": { "local": "1986-10-12T06:20:41-04:00", "utc": "1986-10-12T10:20:41Z", "ms": 529496441302.41736 }, "end": { "local": "1986-10-12T06:20:41-04:00", "utc": "1986-10-12T10:20:41Z", "ms": 529496441302.41736 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-10-13", "window": { "start": { "local": "1986-10-13T06:20:43-04:00", "utc": "1986-10-13T10:20:43Z", "ms": 529582842728.1645 }, "end": { "local": "1986-10-13T06:20:43-04:00", "utc": "1986-10-13T10:20:43Z", "ms": 529582842728.1645 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-10-14", "start": { "local": "1986-10-14T06:20:45-04:00", "utc": "1986-10-14T10:20:45Z", "ms": 529669244602.06903 }, "end": { "local": "1986-10-14T08:43:38-04:00", "utc": "1986-10-14T12:43:38Z", "ms": 529677817994.9079 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-10-14T15:08:01-04:00", "utc": "1986-10-14T19:08:01Z", "ms": 529700880744.3258 }, "hari_vasara_end": { "local": "1986-10-13T21:43:46-04:00", "utc": "1986-10-14T01:43:46Z", "ms": 529638225651.91327 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:06 on Sun 12 Oct to 15:56 on Mon 13 Oct.", "fact": "1986-10-12T21:06:14Z → 1986-10-13T19:55:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 12th and 06:21 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 34498 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Valencia, 1986: Monday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-13", "confidence": "determinate" } ], "quote": "In Valencia, Pāśāṅkuśā Ekādaśī 1986 falls on Monday 13 October. Ekādaśī runs from 17:06 on Sun 12 Oct to 15:56 on Mon 13 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-10-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-14", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 11231, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-10-14T15:08:01-04:00", "utc": "1986-10-14T19:08:01Z", "ms": 529700880744.3258 }, "end": { "local": "1986-10-15T14:45:16-04:00", "utc": "1986-10-15T18:45:16Z", "ms": 529785915786.87683 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-14T15:08:01-04:00", "utc": "1986-10-14T19:08:01Z", "ms": 529700880744.3258 }, "end": { "local": "1986-10-15T14:45:16-04:00", "utc": "1986-10-15T18:45:16Z", "ms": 529785915786.87683 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-10-14", "window": { "start": { "local": "1986-10-14T18:15:12-04:00", "utc": "1986-10-14T22:15:12Z", "ms": 529712111566.26337 }, "end": { "local": "1986-10-14T19:51:56-04:00", "utc": "1986-10-14T23:51:56Z", "ms": 529717916283.0536 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1986-10-15", "window": { "start": { "local": "1986-10-15T18:14:42-04:00", "utc": "1986-10-15T22:14:42Z", "ms": 529798481971.4906 }, "end": { "local": "1986-10-15T19:51:31-04:00", "utc": "1986-10-15T23:51:31Z", "ms": 529804291010.85126 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:08 on Tue 14 Oct to 14:45 on Wed 15 Oct.", "fact": "1986-10-14T19:08:01Z → 1986-10-15T18:45:16Z" }, { "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": "Trayodaśī 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. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 11231 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Tuesday 14 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": "1986-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-14", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Tuesday 14 October. Trayodaśī runs from 15:08 on Tue 14 Oct to 14:45 on Wed 15 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-10-14", "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/1986/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-20", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1998, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-10-20T19:48:22-04:00", "utc": "1986-10-20T23:48:22Z", "ms": 530236102397.941 }, "end": { "local": "1986-10-21T22:04:33-04:00", "utc": "1986-10-22T02:04:33Z", "ms": 530330673039.96484 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-20T19:48:22-04:00", "utc": "1986-10-20T23:48:22Z", "ms": 530236102397.941 }, "end": { "local": "1986-10-21T22:04:33-04:00", "utc": "1986-10-22T02:04:33Z", "ms": 530330673039.96484 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-10-20", "window": { "start": { "local": "1986-10-20T20:21:41-04:00", "utc": "1986-10-21T00:21:41Z", "ms": 530238100718.3477 }, "end": { "local": "1986-10-20T20:21:41-04:00", "utc": "1986-10-21T00:21:41Z", "ms": 530238100718.3477 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-10-21", "window": { "start": { "local": "1986-10-21T21:08:53-04:00", "utc": "1986-10-22T01:08:53Z", "ms": 530327333187.6521 }, "end": { "local": "1986-10-21T21:08:53-04:00", "utc": "1986-10-22T01:08:53Z", "ms": 530327333187.6521 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "purvaviddha", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:48 on Mon 20 Oct to 22:05 on Tue 21 Oct.", "fact": "1986-10-20T23:48:22Z → 1986-10-22T02:04:33Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 20th and 21:09 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both moonrises qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1998 s" }, { "step": "ruling", "text": "Karaka Caturthī, Valencia, 1986: Monday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-20", "confidence": "determinate" } ], "quote": "In Valencia, Karaka Caturthī (Karwa Chauth) 1986 falls on Monday 20 October. Caturthī runs from 19:48 on Mon 20 Oct to 22:05 on Tue 21 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-10-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-20", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1998, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-10-20T19:48:22-04:00", "utc": "1986-10-20T23:48:22Z", "ms": 530236102397.941 }, "end": { "local": "1986-10-21T22:04:33-04:00", "utc": "1986-10-22T02:04:33Z", "ms": 530330673039.96484 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-20T19:48:22-04:00", "utc": "1986-10-20T23:48:22Z", "ms": 530236102397.941 }, "end": { "local": "1986-10-21T22:04:33-04:00", "utc": "1986-10-22T02:04:33Z", "ms": 530330673039.96484 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-10-20", "window": { "start": { "local": "1986-10-20T20:21:41-04:00", "utc": "1986-10-21T00:21:41Z", "ms": 530238100718.3477 }, "end": { "local": "1986-10-20T20:21:41-04:00", "utc": "1986-10-21T00:21:41Z", "ms": 530238100718.3477 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-10-21", "window": { "start": { "local": "1986-10-21T21:08:53-04:00", "utc": "1986-10-22T01:08:53Z", "ms": 530327333187.6521 }, "end": { "local": "1986-10-21T21:08:53-04:00", "utc": "1986-10-22T01:08:53Z", "ms": 530327333187.6521 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:48 on Mon 20 Oct to 22:05 on Tue 21 Oct.", "fact": "1986-10-20T23:48:22Z → 1986-10-22T02:04:33Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 20th and 21:09 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1998 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Monday 20 October.", "fact": "confidence: boundary (tie-break-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": "1986-10-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-20", "confidence": "boundary" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Monday 20 October. Caturthī runs from 19:48 on Mon 20 Oct to 22:05 on Tue 21 Oct and is current at moonrise that day. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-25", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 20454, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-10-25T05:23:32-04:00", "utc": "1986-10-25T09:23:32Z", "ms": 530616212361.21765 }, "end": { "local": "1986-10-26T07:20:16-04:00", "utc": "1986-10-26T11:20:16Z", "ms": 530709616037.43994 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-25T05:23:32-04:00", "utc": "1986-10-25T09:23:32Z", "ms": 530616212361.21765 }, "end": { "local": "1986-10-26T07:20:16-04:00", "utc": "1986-10-26T11:20:16Z", "ms": 530709616037.43994 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-10-24", "window": { "start": { "local": "1986-10-24T23:42:38-04:00", "utc": "1986-10-25T03:42:38Z", "ms": 530595757947.96246 }, "end": { "local": "1986-10-24T23:42:38-04:00", "utc": "1986-10-25T03:42:38Z", "ms": 530595757947.96246 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-10-25", "window": { "start": { "local": "1986-10-26T00:34:38-04:00", "utc": "1986-10-26T04:34:38Z", "ms": 530685278010.0094 }, "end": { "local": "1986-10-26T00:34:38-04:00", "utc": "1986-10-26T04:34:38Z", "ms": 530685278010.0094 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:24 on Sat 25 Oct to 07:20 on Sun 26 Oct.", "fact": "1986-10-25T09:23:32Z → 1986-10-26T11:20:16Z" }, { "step": "kaala", "text": "Moonrise is at 23:43 on the 24th and 00:35 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 20454 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Valencia, 1986: Saturday 25 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": "1986-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-25", "confidence": "determinate" } ], "quote": "In Valencia, Ahoyī Aṣṭamī 1986 falls on Saturday 25 October. Aṣṭamī runs from 05:24 on Sat 25 Oct to 07:20 on Sun 26 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-10-29", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-29", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 10583, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-10-28T09:23:47-04:00", "utc": "1986-10-28T13:23:47Z", "ms": 530889826599.92664 }, "end": { "local": "1986-10-29T09:18:41-04:00", "utc": "1986-10-29T13:18:41Z", "ms": 530975920638.6256 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-28T09:23:47-04:00", "utc": "1986-10-28T13:23:47Z", "ms": 530889826599.92664 }, "end": { "local": "1986-10-29T09:18:41-04:00", "utc": "1986-10-29T13:18:41Z", "ms": 530975920638.6256 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-10-28", "window": { "start": { "local": "1986-10-28T06:22:07-04:00", "utc": "1986-10-28T10:22:07Z", "ms": 530878927302.1087 }, "end": { "local": "1986-10-28T06:22:07-04:00", "utc": "1986-10-28T10:22:07Z", "ms": 530878927302.1087 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-10-29", "window": { "start": { "local": "1986-10-29T06:22:18-04:00", "utc": "1986-10-29T10:22:18Z", "ms": 530965337787.4044 }, "end": { "local": "1986-10-29T06:22:18-04:00", "utc": "1986-10-29T10:22:18Z", "ms": 530965337787.4044 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-10-30", "start": { "local": "1986-10-30T06:22:29-04:00", "utc": "1986-10-30T10:22:29Z", "ms": 531051748932.50726 }, "end": { "local": "1986-10-30T08:27:31-04:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "basis": "pratah", "ends_with_dvadashi": true, "dvadashi_end": { "local": "1986-10-30T08:27:31-04:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "hari_vasara_end": { "local": "1986-10-29T15:05:53-04:00", "utc": "1986-10-29T19:05:53Z", "ms": 530996753223.6156 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:24 on Tue 28 Oct to 09:19 on Wed 29 Oct.", "fact": "1986-10-28T13:23:47Z → 1986-10-29T13:18:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 28th and 06:22 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 10583 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Valencia, 1986: Wednesday 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-29", "confidence": "determinate" } ], "quote": "In Valencia, Ramā Ekādaśī 1986 falls on Wednesday 29 October. Ekādaśī runs from 09:24 on Tue 28 Oct to 09:19 on Wed 29 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-10-29", "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/1986/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-29", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 31823, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-10-29T09:18:41-04:00", "utc": "1986-10-29T13:18:41Z", "ms": 530975920638.6256 }, "end": { "local": "1986-10-30T08:27:31-04:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-29T09:18:41-04:00", "utc": "1986-10-29T13:18:41Z", "ms": 530975920638.6256 }, "end": { "local": "1986-10-30T08:27:31-04:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-10-29", "window": { "start": { "local": "1986-10-29T18:09:04-04:00", "utc": "1986-10-29T22:09:04Z", "ms": 531007743522.8099 }, "end": { "local": "1986-10-29T19:46:51-04:00", "utc": "1986-10-29T23:46:51Z", "ms": 531013610910.76953 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1986-10-30", "window": { "start": { "local": "1986-10-30T18:08:46-04:00", "utc": "1986-10-30T22:08:46Z", "ms": 531094125588.4529 }, "end": { "local": "1986-10-30T19:46:37-04:00", "utc": "1986-10-30T23:46:37Z", "ms": 531099996942.13257 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 09:19 on Wed 29 Oct to 08:28 on Thu 30 Oct.", "fact": "1986-10-29T13:18:41Z → 1986-10-30T12:27:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:47 on the 29th, 18:09–19:47 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 29th and 0 of 98 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 31823 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Valencia, 1986: Wednesday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-29", "confidence": "determinate" } ], "quote": "In Valencia, Govatsa Dvādaśī (Vasu Baras) 1986 falls on Wednesday 29 October. Dvādaśī runs from 09:19 on Wed 29 Oct to 08:28 on Thu 30 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-30", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 34875, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-10-30T08:27:31-04:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "end": { "local": "1986-10-31T06:53:31-04:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-30T08:27:31-04:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "end": { "local": "1986-10-31T06:53:31-04:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-10-30", "window": { "start": { "local": "1986-10-30T18:08:46-04:00", "utc": "1986-10-30T22:08:46Z", "ms": 531094125588.4529 }, "end": { "local": "1986-10-30T19:46:37-04:00", "utc": "1986-10-30T23:46:37Z", "ms": 531099996942.13257 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1986-10-31", "window": { "start": { "local": "1986-10-31T18:08:29-04:00", "utc": "1986-10-31T22:08:29Z", "ms": 531180508576.7422 }, "end": { "local": "1986-10-31T19:46:24-04:00", "utc": "1986-10-31T23:46:24Z", "ms": 531186383861.81464 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:28 on Thu 30 Oct to 06:54 on Fri 31 Oct.", "fact": "1986-10-30T12:27:31Z → 1986-10-31T10:53:31Z" }, { "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 98 of 98 minutes on the 30th and 0 of 98 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 34875 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Valencia, 1986: Thursday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-30", "confidence": "determinate" } ], "quote": "In Valencia, Yama Dīpadāna 1986 falls on Thursday 30 October. Trayodaśī runs from 08:28 on Thu 30 Oct to 06:54 on Fri 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/pradosha-vrata?on=1986-10-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-30", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 34875, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-10-30T08:27:31-04:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "end": { "local": "1986-10-31T06:53:31-04:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-30T08:27:31-04:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "end": { "local": "1986-10-31T06:53:31-04:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-10-30", "window": { "start": { "local": "1986-10-30T18:08:46-04:00", "utc": "1986-10-30T22:08:46Z", "ms": 531094125588.4529 }, "end": { "local": "1986-10-30T19:46:37-04:00", "utc": "1986-10-30T23:46:37Z", "ms": 531099996942.13257 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1986-10-31", "window": { "start": { "local": "1986-10-31T18:08:29-04:00", "utc": "1986-10-31T22:08:29Z", "ms": 531180508576.7422 }, "end": { "local": "1986-10-31T19:46:24-04:00", "utc": "1986-10-31T23:46:24Z", "ms": 531186383861.81464 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:28 on Thu 30 Oct to 06:54 on Fri 31 Oct.", "fact": "1986-10-30T12:27:31Z → 1986-10-31T10:53:31Z" }, { "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 98 of 98 minutes on the 30th and 0 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": "one day qualifies → only-day · margin 34875 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Thursday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-30", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Thursday 30 October. Trayodaśī runs from 08:28 on Thu 30 Oct to 06:54 on Fri 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-10-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-31", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 147, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-10-31T06:53:31-04:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "end": { "local": "1986-11-01T04:42:31-04:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-31T06:53:31-04:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "end": { "local": "1986-11-01T04:42:31-04:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 } }, "kaala": "arunodaya", "days": [ { "local_date": "1986-10-31", "window": { "start": { "local": "1986-10-31T04:44:49-04:00", "utc": "1986-10-31T08:44:49Z", "ms": 531132289387.3707 }, "end": { "local": "1986-10-31T06:22:41-04:00", "utc": "1986-10-31T10:22:41Z", "ms": 531138160741.0504 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1986-11-01", "window": { "start": { "local": "1986-11-01T04:44:58-04:00", "utc": "1986-11-01T08:44:58Z", "ms": 531218697929.71295 }, "end": { "local": "1986-11-01T06:22:53-04:00", "utc": "1986-11-01T10:22:53Z", "ms": 531224573214.7854 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "tithi-day", "basis": { "kind": "ruleset-fallback" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:54 on Fri 31 Oct to 04:43 on Sat 1 Nov.", "fact": "1986-10-31T10:53:31Z → 1986-11-01T08:42:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:45–06:23 on the 31st, 04:45–06:23 on the 1st.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 98 minutes on the 31st and 0 of 98 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither dawn qualifies, and the source does not say what then. The day the tithi falls on is taken, as a boundary.", "fact": "no day qualifies → tithi-day, the ruleset's fallback · margin 147 s < 300 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Valencia, 1986: Friday 31 October.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "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": "1986-10-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-31", "confidence": "boundary" } ], "quote": "In Valencia, Naraka Caturdaśī (Choti Diwali) 1986 falls on Friday 31 October. Caturdaśī runs from 06:54 on Fri 31 Oct to 04:43 on Sat 1 Nov, and reaches aruṇodaya on neither day. The rule does not say what then; the day Caturdaśī falls on is taken. It is 2 min 27 s from a threshold. The rule does not settle this date cleanly.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/shivaratri?on=1986-10-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-10-31", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 14570, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-10-31T06:53:31-04:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "end": { "local": "1986-11-01T04:42:31-04:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-31T06:53:31-04:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "end": { "local": "1986-11-01T04:42:31-04:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 } }, "kaala": "nishita", "days": [ { "local_date": "1986-10-30", "window": { "start": { "local": "1986-10-30T23:51:43-04:00", "utc": "1986-10-31T03:51:43Z", "ms": 531114703164.75165 }, "end": { "local": "1986-10-31T00:39:43-04:00", "utc": "1986-10-31T04:39:43Z", "ms": 531117583164.75165 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-10-31", "window": { "start": { "local": "1986-10-31T23:51:41-04:00", "utc": "1986-11-01T03:51:41Z", "ms": 531201100895.7638 }, "end": { "local": "1986-11-01T00:39:41-04:00", "utc": "1986-11-01T04:39:41Z", "ms": 531203980895.7638 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:54 on Fri 31 Oct to 04:43 on Sat 1 Nov.", "fact": "1986-10-31T10:53:31Z → 1986-11-01T08:42:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 30th, 23:52–00:40 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 14570 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Friday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-31", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Friday 31 October. Caturdaśī runs from 06:54 on Fri 31 Oct to 04:43 on Sat 1 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-10-31", "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/1986/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-01", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22556, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1986-11-01T04:42:31-04:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "end": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-01T04:42:31-04:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "end": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-10-31", "window": { "start": { "local": "1986-10-31T18:08:29-04:00", "utc": "1986-10-31T22:08:29Z", "ms": 531180508576.7422 }, "end": { "local": "1986-10-31T19:46:24-04:00", "utc": "1986-10-31T23:46:24Z", "ms": 531186383861.81464 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1986-11-01", "window": { "start": { "local": "1986-11-01T18:08:12-04:00", "utc": "1986-11-01T22:08:12Z", "ms": 531266892499.2397 }, "end": { "local": "1986-11-01T19:46:12-04:00", "utc": "1986-11-01T23:46:12Z", "ms": 531272771679.8412 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 04:43 on Sat 1 Nov to 02:02 on Sun 2 Nov.", "fact": "1986-11-01T08:42:31Z → 1986-11-02T06:02:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:46 on the 31st, 18:08–19:46 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 98 minutes on the 31st and 98 of 98 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": "one day qualifies → only-day · margin 22556 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Valencia, 1986: Saturday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-01", "confidence": "determinate" } ], "quote": "In Valencia, Lakṣmī Pūjā (Diwali) 1986 falls on Saturday 1 November. Amāvasyā runs from 04:43 on Sat 1 Nov to 02:02 on Sun 2 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-01", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 4948, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1986-11-01T04:42:31-04:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "end": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-01T04:42:31-04:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "end": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 } }, "kaala": "nishita", "days": [ { "local_date": "1986-10-31", "window": { "start": { "local": "1986-10-31T23:51:41-04:00", "utc": "1986-11-01T03:51:41Z", "ms": 531201100895.7638 }, "end": { "local": "1986-11-01T00:39:41-04:00", "utc": "1986-11-01T04:39:41Z", "ms": 531203980895.7638 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-01", "window": { "start": { "local": "1986-11-01T23:51:39-04:00", "utc": "1986-11-02T03:51:39Z", "ms": 531287499426.4954 }, "end": { "local": "1986-11-02T00:39:39-04:00", "utc": "1986-11-02T04:39:39Z", "ms": 531290379426.4954 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 04:43 on Sat 1 Nov to 02:02 on Sun 2 Nov.", "fact": "1986-11-01T08:42:31Z → 1986-11-02T06:02:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 31st, 23:52–00:40 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 4948 s" }, { "step": "ruling", "text": "Kālī Pūjā, Valencia, 1986: Saturday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-01", "confidence": "determinate" } ], "quote": "In Valencia, Kālī Pūjā 1986 falls on Saturday 1 November. Amāvasyā runs from 04:43 on Sat 1 Nov to 02:02 on Sun 2 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-02", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 35364, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-02T23:01:06-04:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-02T23:01:06-04:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-02", "window": { "start": { "local": "1986-11-02T11:51:32-04:00", "utc": "1986-11-02T15:51:32Z", "ms": 531330691860.1123 }, "end": { "local": "1986-11-02T12:39:32-04:00", "utc": "1986-11-02T16:39:32Z", "ms": 531333571860.1123 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-03", "window": { "start": { "local": "1986-11-03T11:51:32-04:00", "utc": "1986-11-03T15:51:32Z", "ms": 531417091672.0354 }, "end": { "local": "1986-11-03T12:39:32-04:00", "utc": "1986-11-03T16:39:32Z", "ms": 531419971672.0354 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:02 on Sun 2 Nov to 23:01 on Sun 2 Nov.", "fact": "1986-11-02T06:02:08Z → 1986-11-03T03:01:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 2nd, 11:52–12:40 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 35364 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Valencia, 1986: Sunday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-02", "confidence": "determinate" } ], "quote": "In Valencia, Govardhana Pūjā 1986 falls on Sunday 2 November. Pratipadā runs from 02:02 on Sun 2 Nov to 23:01 on Sun 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-02", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 11705, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-02T23:01:06-04:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-02T23:01:06-04:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-11-01", "window": { "start": { "local": "1986-11-01T18:08:12-04:00", "utc": "1986-11-01T22:08:12Z", "ms": 531266892499.2397 }, "end": { "local": "1986-11-01T19:46:12-04:00", "utc": "1986-11-01T23:46:12Z", "ms": 531272771679.8412 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1986-11-02", "window": { "start": { "local": "1986-11-02T18:07:57-04:00", "utc": "1986-11-02T22:07:57Z", "ms": 531353277366.4734 }, "end": { "local": "1986-11-02T19:46:00-04:00", "utc": "1986-11-02T23:46:00Z", "ms": 531359160405.147 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:02 on Sun 2 Nov to 23:01 on Sun 2 Nov.", "fact": "1986-11-02T06:02:08Z → 1986-11-03T03:01:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:46 on the 1st, 18:08–19:46 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 98 minutes on the 1st and 98 of 98 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 11705 s" }, { "step": "ruling", "text": "Bali Pūjā, Valencia, 1986: Sunday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-02", "confidence": "determinate" } ], "quote": "In Valencia, Bali Pūjā 1986 falls on Sunday 2 November. Pratipadā runs from 02:02 on Sun 2 Nov to 23:01 on Sun 2 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-02", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 15659, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-02T23:01:06-04:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-02T02:02:08-04:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-02T23:01:06-04:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 } }, "kaala": "purvahna", "days": [ { "local_date": "1986-11-02", "window": { "start": { "local": "1986-11-02T06:23:06-04:00", "utc": "1986-11-02T10:23:06Z", "ms": 531310986353.75116 }, "end": { "local": "1986-11-02T10:18:03-04:00", "utc": "1986-11-02T14:18:03Z", "ms": 531325083357.9919 } }, "covered_min": 235, "window_min": 235, "qualifies": true }, { "local_date": "1986-11-03", "window": { "start": { "local": "1986-11-03T06:23:20-04:00", "utc": "1986-11-03T10:23:20Z", "ms": 531397400156.52545 }, "end": { "local": "1986-11-03T10:18:08-04:00", "utc": "1986-11-03T14:18:08Z", "ms": 531411487833.5321 } }, "covered_min": 0, "window_min": 235, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:02 on Sun 2 Nov to 23:01 on Sun 2 Nov.", "fact": "1986-11-02T06:02:08Z → 1986-11-03T03:01:06Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:23–10:18 on the 2nd, 06:23–10:18 on the 3rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 235 of 235 minutes on the 2nd and 0 of 235 on the 3rd.", "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": "one day qualifies → only-day · margin 15659 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Valencia, 1986: Sunday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-02", "confidence": "determinate" } ], "quote": "In Valencia, Dyūta Pratipad 1986 falls on Sunday 2 November. Pratipadā runs from 02:02 on Sun 2 Nov to 23:01 on Sun 2 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-03", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 25748, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1986-11-02T23:01:06-04:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "end": { "local": "1986-11-03T19:48:40-04:00", "utc": "1986-11-03T23:48:40Z", "ms": 531445719543.16077 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-02T23:01:06-04:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "end": { "local": "1986-11-03T19:48:40-04:00", "utc": "1986-11-03T23:48:40Z", "ms": 531445719543.16077 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-02", "window": { "start": { "local": "1986-11-02T11:51:32-04:00", "utc": "1986-11-02T15:51:32Z", "ms": 531330691860.1123 }, "end": { "local": "1986-11-02T12:39:32-04:00", "utc": "1986-11-02T16:39:32Z", "ms": 531333571860.1123 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-03", "window": { "start": { "local": "1986-11-03T11:51:32-04:00", "utc": "1986-11-03T15:51:32Z", "ms": 531417091672.0354 }, "end": { "local": "1986-11-03T12:39:32-04:00", "utc": "1986-11-03T16:39:32Z", "ms": 531419971672.0354 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 23:01 on Sun 2 Nov to 19:49 on Mon 3 Nov.", "fact": "1986-11-03T03:01:06Z → 1986-11-03T23:48:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 2nd, 11:52–12:40 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 25748 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Valencia, 1986: Monday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-03", "confidence": "determinate" } ], "quote": "In Valencia, Yama Dvitīyā (Bhai Dooj) 1986 falls on Monday 3 November. Dvitīyā runs from 23:01 on Sun 2 Nov to 19:49 on Mon 3 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-05", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 2810, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-11-04T16:34:07-04:00", "utc": "1986-11-04T20:34:07Z", "ms": 531520446720.7837 }, "end": { "local": "1986-11-05T13:26:24-04:00", "utc": "1986-11-05T17:26:24Z", "ms": 531595583750.3437 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-04T16:34:07-04:00", "utc": "1986-11-04T20:34:07Z", "ms": 531520446720.7837 }, "end": { "local": "1986-11-05T13:26:24-04:00", "utc": "1986-11-05T17:26:24Z", "ms": 531595583750.3437 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-04", "window": { "start": { "local": "1986-11-04T11:51:32-04:00", "utc": "1986-11-04T15:51:32Z", "ms": 531503492295.50916 }, "end": { "local": "1986-11-04T12:39:32-04:00", "utc": "1986-11-04T16:39:32Z", "ms": 531506372295.50916 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-05", "window": { "start": { "local": "1986-11-05T11:51:34-04:00", "utc": "1986-11-05T15:51:34Z", "ms": 531589893732.7551 }, "end": { "local": "1986-11-05T12:39:34-04:00", "utc": "1986-11-05T16:39:34Z", "ms": 531592773732.7551 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:34 on Tue 4 Nov to 13:26 on Wed 5 Nov.", "fact": "1986-11-04T20:34:07Z → 1986-11-05T17:26:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 4th, 11:52–12:40 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "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": "one day qualifies → only-day · margin 2810 s" }, { "step": "ruling", "text": "Nāga Caturthī, Valencia, 1986: Wednesday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-05", "confidence": "boundary" } ], "quote": "In Valencia, Nāga Caturthī 1986 falls on Wednesday 5 November. Caturthī runs from 16:34 on Tue 4 Nov to 13:26 on Wed 5 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/vinayaka-chaturthi?on=1986-11-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-05", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 2810, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-11-04T16:34:07-04:00", "utc": "1986-11-04T20:34:07Z", "ms": 531520446720.7837 }, "end": { "local": "1986-11-05T13:26:24-04:00", "utc": "1986-11-05T17:26:24Z", "ms": 531595583750.3437 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-04T16:34:07-04:00", "utc": "1986-11-04T20:34:07Z", "ms": 531520446720.7837 }, "end": { "local": "1986-11-05T13:26:24-04:00", "utc": "1986-11-05T17:26:24Z", "ms": 531595583750.3437 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-04", "window": { "start": { "local": "1986-11-04T11:51:32-04:00", "utc": "1986-11-04T15:51:32Z", "ms": 531503492295.50916 }, "end": { "local": "1986-11-04T12:39:32-04:00", "utc": "1986-11-04T16:39:32Z", "ms": 531506372295.50916 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-05", "window": { "start": { "local": "1986-11-05T11:51:34-04:00", "utc": "1986-11-05T15:51:34Z", "ms": 531589893732.7551 }, "end": { "local": "1986-11-05T12:39:34-04:00", "utc": "1986-11-05T16:39:34Z", "ms": 531592773732.7551 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:34 on Tue 4 Nov to 13:26 on Wed 5 Nov.", "fact": "1986-11-04T20:34:07Z → 1986-11-05T17:26:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 4th, 11:52–12:40 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 2810 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Wednesday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-05", "confidence": "boundary" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Wednesday 5 November. Caturthī runs from 16:34 on Tue 4 Nov to 13:26 on Wed 5 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-11-05", "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/1986/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 4673, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-11-06T10:33:43-04:00", "utc": "1986-11-06T14:33:43Z", "ms": 531671622826.09033 }, "end": { "local": "1986-11-07T08:03:09-04:00", "utc": "1986-11-07T12:03:09Z", "ms": 531748989039.85706 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-06T10:33:43-04:00", "utc": "1986-11-06T14:33:43Z", "ms": 531671622826.09033 }, "end": { "local": "1986-11-07T08:03:09-04:00", "utc": "1986-11-07T12:03:09Z", "ms": 531748989039.85706 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-06", "window": { "start": { "local": "1986-11-06T11:51:36-04:00", "utc": "1986-11-06T15:51:36Z", "ms": 531676295985.98474 }, "end": { "local": "1986-11-06T12:39:36-04:00", "utc": "1986-11-06T16:39:36Z", "ms": 531679175985.98474 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-07", "window": { "start": { "local": "1986-11-07T11:51:39-04:00", "utc": "1986-11-07T15:51:39Z", "ms": 531762699057.7372 }, "end": { "local": "1986-11-07T12:39:39-04:00", "utc": "1986-11-07T16:39:39Z", "ms": 531765579057.7372 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:34 on Thu 6 Nov to 08:03 on Fri 7 Nov.", "fact": "1986-11-06T14:33:43Z → 1986-11-07T12:03:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 6th, 11:52–12:40 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 4673 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Valencia, 1986: Thursday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-06", "confidence": "determinate" } ], "quote": "In Valencia, Sūrya Ṣaṣṭhī (Chhath) 1986 falls on Thursday 6 November. Ṣaṣṭhī runs from 10:34 on Thu 6 Nov to 08:03 on Fri 7 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-08", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 21084, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-11-08T06:00:19-04:00", "utc": "1986-11-08T10:00:19Z", "ms": 531828018525.92615 }, "end": { "local": "1986-11-09T04:29:01-04:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-08T06:00:19-04:00", "utc": "1986-11-08T10:00:19Z", "ms": 531828018525.92615 }, "end": { "local": "1986-11-09T04:29:01-04:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-08", "window": { "start": { "local": "1986-11-08T11:51:43-04:00", "utc": "1986-11-08T15:51:43Z", "ms": 531849102951.00116 }, "end": { "local": "1986-11-08T12:39:43-04:00", "utc": "1986-11-08T16:39:43Z", "ms": 531851982951.00116 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-09", "window": { "start": { "local": "1986-11-09T11:51:48-04:00", "utc": "1986-11-09T15:51:48Z", "ms": 531935507669.1448 }, "end": { "local": "1986-11-09T12:39:48-04:00", "utc": "1986-11-09T16:39:48Z", "ms": 531938387669.1448 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:00 on Sat 8 Nov to 04:29 on Sun 9 Nov.", "fact": "1986-11-08T10:00:19Z → 1986-11-09T08:29:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 8th, 11:52–12:40 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 21084 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Valencia, 1986: Saturday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-08", "confidence": "determinate" } ], "quote": "In Valencia, Gopāṣṭamī 1986 falls on Saturday 8 November. Aṣṭamī runs from 06:00 on Sat 8 Nov to 04:29 on Sun 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-09", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 6956, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1986-11-09T04:29:01-04:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "end": { "local": "1986-11-10T03:31:10-04:00", "utc": "1986-11-10T07:31:10Z", "ms": 531991869852.8285 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-09T04:29:01-04:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "end": { "local": "1986-11-10T03:31:10-04:00", "utc": "1986-11-10T07:31:10Z", "ms": 531991869852.8285 } }, "kaala": "purvahna", "days": [ { "local_date": "1986-11-09", "window": { "start": { "local": "1986-11-09T06:24:57-04:00", "utc": "1986-11-09T10:24:57Z", "ms": 531915896724.9946 }, "end": { "local": "1986-11-09T10:18:51-04:00", "utc": "1986-11-09T14:18:51Z", "ms": 531929930687.76135 } }, "covered_min": 234, "window_min": 234, "qualifies": true }, { "local_date": "1986-11-10", "window": { "start": { "local": "1986-11-10T06:25:15-04:00", "utc": "1986-11-10T10:25:15Z", "ms": 532002315080.87494 }, "end": { "local": "1986-11-10T10:19:01-04:00", "utc": "1986-11-10T14:19:01Z", "ms": 532016340504.10956 } }, "covered_min": 0, "window_min": 234, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Navamī runs from 04:29 on Sun 9 Nov to 03:31 on Mon 10 Nov.", "fact": "1986-11-09T08:29:01Z → 1986-11-10T07:31:10Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:25–10:19 on the 9th, 06:25–10:19 on the 10th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 234 of 234 minutes on the 9th and 0 of 234 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 6956 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Valencia, 1986: Sunday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-09", "confidence": "determinate" } ], "quote": "In Valencia, Akṣaya Navamī (Amla Navami) 1986 falls on Sunday 9 November. Navamī runs from 04:29 on Sun 9 Nov to 03:31 on Mon 10 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-09", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 26567, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1986-11-09T04:29:01-04:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "end": { "local": "1986-11-10T03:31:10-04:00", "utc": "1986-11-10T07:31:10Z", "ms": 531991869852.8285 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-09T04:29:01-04:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "end": { "local": "1986-11-10T03:31:10-04:00", "utc": "1986-11-10T07:31:10Z", "ms": 531991869852.8285 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-09", "window": { "start": { "local": "1986-11-09T11:51:48-04:00", "utc": "1986-11-09T15:51:48Z", "ms": 531935507669.1448 }, "end": { "local": "1986-11-09T12:39:48-04:00", "utc": "1986-11-09T16:39:48Z", "ms": 531938387669.1448 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-10", "window": { "start": { "local": "1986-11-10T11:51:53-04:00", "utc": "1986-11-10T15:51:53Z", "ms": 532021913215.72687 }, "end": { "local": "1986-11-10T12:39:53-04:00", "utc": "1986-11-10T16:39:53Z", "ms": 532024793215.72687 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Navamī runs from 04:29 on Sun 9 Nov to 03:31 on Mon 10 Nov.", "fact": "1986-11-09T08:29:01Z → 1986-11-10T07:31:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 9th, 11:52–12:40 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 26567 s" }, { "step": "ruling", "text": "Durgā Navamī, Valencia, 1986: Sunday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-09", "confidence": "determinate" } ], "quote": "In Valencia, Durgā Navamī 1986 falls on Sunday 9 November. Navamī runs from 04:29 on Sun 9 Nov to 03:31 on Mon 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-11-11", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 11483, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-11-11T03:06:49-04:00", "utc": "1986-11-11T07:06:49Z", "ms": 532076809064.73755 }, "end": { "local": "1986-11-12T03:14:30-04:00", "utc": "1986-11-12T07:14:30Z", "ms": 532163670386.7509 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-11T03:06:49-04:00", "utc": "1986-11-11T07:06:49Z", "ms": 532076809064.73755 }, "end": { "local": "1986-11-12T03:14:30-04:00", "utc": "1986-11-12T07:14:30Z", "ms": 532163670386.7509 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-11-11", "window": { "start": { "local": "1986-11-11T06:25:34-04:00", "utc": "1986-11-11T10:25:34Z", "ms": 532088734075.7565 }, "end": { "local": "1986-11-11T06:25:34-04:00", "utc": "1986-11-11T10:25:34Z", "ms": 532088734075.7565 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-11-12", "window": { "start": { "local": "1986-11-12T06:25:54-04:00", "utc": "1986-11-12T10:25:54Z", "ms": 532175153707.07086 }, "end": { "local": "1986-11-12T06:25:54-04:00", "utc": "1986-11-12T10:25:54Z", "ms": 532175153707.07086 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-11-12", "start": { "local": "1986-11-12T13:26:09-04:00", "utc": "1986-11-12T17:26:09Z", "ms": 532200369428.2067 }, "end": { "local": "1986-11-12T15:46:15-04:00", "utc": "1986-11-12T19:46:15Z", "ms": 532208774668.5853 }, "basis": "aparahna", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-11-13T03:51:45-04:00", "utc": "1986-11-13T07:51:45Z", "ms": 532252305191.2714 }, "hari_vasara_end": { "local": "1986-11-12T09:23:49-04:00", "utc": "1986-11-12T13:23:49Z", "ms": 532185829087.88104 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:07 on Tue 11 Nov to 03:15 on Wed 12 Nov.", "fact": "1986-11-11T07:06:49Z → 1986-11-12T07:14:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:26 on the 11th and 06:26 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 11483 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Valencia, 1986: Tuesday 11 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-11", "confidence": "determinate" } ], "quote": "In Valencia, Prabodhinī Ekādaśī 1986 falls on Tuesday 11 November. Ekādaśī runs from 03:07 on Tue 11 Nov to 03:15 on Wed 12 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-11-11", "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/1986/pradosha-vrata?on=1986-11-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 29206, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-11-13T03:51:45-04:00", "utc": "1986-11-13T07:51:45Z", "ms": 532252305191.2714 }, "end": { "local": "1986-11-14T04:55:38-04:00", "utc": "1986-11-14T08:55:38Z", "ms": 532342537669.0627 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-13T03:51:45-04:00", "utc": "1986-11-13T07:51:45Z", "ms": 532252305191.2714 }, "end": { "local": "1986-11-14T04:55:38-04:00", "utc": "1986-11-14T08:55:38Z", "ms": 532342537669.0627 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-11-12", "window": { "start": { "local": "1986-11-12T18:06:20-04:00", "utc": "1986-11-12T22:06:20Z", "ms": 532217179908.9639 }, "end": { "local": "1986-11-12T19:44:59-04:00", "utc": "1986-11-12T23:44:59Z", "ms": 532223099117.3445 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1986-11-13", "window": { "start": { "local": "1986-11-13T18:06:16-04:00", "utc": "1986-11-13T22:06:16Z", "ms": 532303575747.7018 }, "end": { "local": "1986-11-13T19:44:58-04:00", "utc": "1986-11-13T23:44:58Z", "ms": 532309498296.85535 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:52 on Thu 13 Nov to 04:56 on Fri 14 Nov.", "fact": "1986-11-13T07:51:45Z → 1986-11-14T08:55:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:45 on the 12th, 18:06–19:45 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 12th and 99 of 99 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 29206 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Thursday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-13", "confidence": "determinate" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Thursday 13 November. Trayodaśī runs from 03:52 on Thu 13 Nov to 04:56 on Fri 14 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-15", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 13271, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-11-15T06:23:10-04:00", "utc": "1986-11-15T10:23:10Z", "ms": 532434190346.60693 }, "end": { "local": "1986-11-16T08:11:33-04:00", "utc": "1986-11-16T12:11:33Z", "ms": 532527092930.0373 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-15T06:23:10-04:00", "utc": "1986-11-15T10:23:10Z", "ms": 532434190346.60693 }, "end": { "local": "1986-11-16T08:11:33-04:00", "utc": "1986-11-16T12:11:33Z", "ms": 532527092930.0373 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-15", "window": { "start": { "local": "1986-11-15T11:52:33-04:00", "utc": "1986-11-15T15:52:33Z", "ms": 532453953484.8999 }, "end": { "local": "1986-11-15T12:40:33-04:00", "utc": "1986-11-15T16:40:33Z", "ms": 532456833484.8999 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-16", "window": { "start": { "local": "1986-11-16T11:52:44-04:00", "utc": "1986-11-16T15:52:44Z", "ms": 532540364059.94165 }, "end": { "local": "1986-11-16T12:40:44-04:00", "utc": "1986-11-16T16:40:44Z", "ms": 532543244059.94165 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:23 on Sat 15 Nov to 08:12 on Sun 16 Nov.", "fact": "1986-11-15T10:23:10Z → 1986-11-16T12:11:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 15th, 11:53–12:41 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 13271 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Valencia, 1986: Saturday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-15", "confidence": "determinate" } ], "quote": "In Valencia, Kārtikī Pūrṇimā 1986 falls on Saturday 15 November. Pūrṇimā runs from 06:23 on Sat 15 Nov to 08:12 on Sun 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-15", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 20556, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-11-15T06:23:10-04:00", "utc": "1986-11-15T10:23:10Z", "ms": 532434190346.60693 }, "end": { "local": "1986-11-16T08:11:33-04:00", "utc": "1986-11-16T12:11:33Z", "ms": 532527092930.0373 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-15T06:23:10-04:00", "utc": "1986-11-15T10:23:10Z", "ms": 532434190346.60693 }, "end": { "local": "1986-11-16T08:11:33-04:00", "utc": "1986-11-16T12:11:33Z", "ms": 532527092930.0373 } }, "kaala": "nishita", "days": [ { "local_date": "1986-11-14", "window": { "start": { "local": "1986-11-14T23:52:35-04:00", "utc": "1986-11-15T03:52:35Z", "ms": 532410754511.53906 }, "end": { "local": "1986-11-15T00:40:35-04:00", "utc": "1986-11-15T04:40:35Z", "ms": 532413634511.53906 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-15", "window": { "start": { "local": "1986-11-15T23:52:45-04:00", "utc": "1986-11-16T03:52:45Z", "ms": 532497164554.7261 }, "end": { "local": "1986-11-16T00:40:45-04:00", "utc": "1986-11-16T04:40:45Z", "ms": 532500044554.7261 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:23 on Sat 15 Nov to 08:12 on Sun 16 Nov.", "fact": "1986-11-15T10:23:10Z → 1986-11-16T12:11:33Z" }, { "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": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 20556 s" }, { "step": "ruling", "text": "Rāsayātrā, Valencia, 1986: Saturday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-15", "confidence": "determinate" } ], "quote": "In Valencia, Rāsayātrā 1986 falls on Saturday 15 November. Pūrṇimā runs from 06:23 on Sat 15 Nov to 08:12 on Sun 16 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-11-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-19", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 13958, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-11-19T15:09:03-04:00", "utc": "1986-11-19T19:09:03Z", "ms": 532811342984.6922 }, "end": { "local": "1986-11-20T17:42:45-04:00", "utc": "1986-11-20T21:42:45Z", "ms": 532906965115.85614 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-11-19T15:09:03-04:00", "utc": "1986-11-19T19:09:03Z", "ms": 532811342984.6922 }, "end": { "local": "1986-11-20T17:42:45-04:00", "utc": "1986-11-20T21:42:45Z", "ms": 532906965115.85614 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-11-19", "window": { "start": { "local": "1986-11-19T20:43:24-04:00", "utc": "1986-11-20T00:43:24Z", "ms": 532831403784.62683 }, "end": { "local": "1986-11-19T20:43:24-04:00", "utc": "1986-11-20T00:43:24Z", "ms": 532831403784.62683 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-11-20", "window": { "start": { "local": "1986-11-20T21:35:23-04:00", "utc": "1986-11-21T01:35:23Z", "ms": 532920923392.7857 }, "end": { "local": "1986-11-20T21:35:23-04:00", "utc": "1986-11-21T01:35:23Z", "ms": 532920923392.7857 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:09 on Wed 19 Nov to 17:43 on Thu 20 Nov.", "fact": "1986-11-19T19:09:03Z → 1986-11-20T21:42:45Z" }, { "step": "kaala", "text": "Moonrise is at 20:43 on the 19th and 21:35 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 13958 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Wednesday 19 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-19", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Wednesday 19 November. Caturthī runs from 15:09 on Wed 19 Nov to 17:43 on Thu 20 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/ekadashi?on=1986-11-27", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-27", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 18619, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-11-27T01:21:41-04:00", "utc": "1986-11-27T05:21:41Z", "ms": 533452901227.2244 }, "end": { "local": "1986-11-28T00:08:28-04:00", "utc": "1986-11-28T04:08:28Z", "ms": 533534907634.13 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-11-27T01:21:41-04:00", "utc": "1986-11-27T05:21:41Z", "ms": 533452901227.2244 }, "end": { "local": "1986-11-28T00:08:28-04:00", "utc": "1986-11-28T04:08:28Z", "ms": 533534907634.13 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-11-27", "window": { "start": { "local": "1986-11-27T06:32:00-04:00", "utc": "1986-11-27T10:32:00Z", "ms": 533471520103.20654 }, "end": { "local": "1986-11-27T06:32:00-04:00", "utc": "1986-11-27T10:32:00Z", "ms": 533471520103.20654 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-11-28", "window": { "start": { "local": "1986-11-28T06:32:29-04:00", "utc": "1986-11-28T10:32:29Z", "ms": 533557948766.19366 }, "end": { "local": "1986-11-28T06:32:29-04:00", "utc": "1986-11-28T10:32:29Z", "ms": 533557948766.19366 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-11-28", "start": { "local": "1986-11-28T06:32:29-04:00", "utc": "1986-11-28T10:32:29Z", "ms": 533557948766.19366 }, "end": { "local": "1986-11-28T08:51:27-04:00", "utc": "1986-11-28T12:51:27Z", "ms": 533566287274.79095 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-11-28T22:08:45-04:00", "utc": "1986-11-29T02:08:45Z", "ms": 533614124702.8754 }, "hari_vasara_end": { "local": "1986-11-28T05:38:32-04:00", "utc": "1986-11-28T09:38:32Z", "ms": 533554711901.31635 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:22 on Thu 27 Nov to 00:08 on Fri 28 Nov.", "fact": "1986-11-27T05:21:41Z → 1986-11-28T04:08:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:32 on the 27th and 06:32 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 18619 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Valencia, 1986: Thursday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-27", "confidence": "determinate" } ], "quote": "In Valencia, Utpannā Ekādaśī 1986 falls on Thursday 27 November. Ekādaśī runs from 01:22 on Thu 27 Nov to 00:08 on Fri 28 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/pradosha-vrata?on=1986-11-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-29", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 1101, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-11-28T22:08:45-04:00", "utc": "1986-11-29T02:08:45Z", "ms": 533614124702.8754 }, "end": { "local": "1986-11-29T19:28:40-04:00", "utc": "1986-11-29T23:28:40Z", "ms": 533690919814.7503 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-11-28T22:08:45-04:00", "utc": "1986-11-29T02:08:45Z", "ms": 533614124702.8754 }, "end": { "local": "1986-11-29T19:28:40-04:00", "utc": "1986-11-29T23:28:40Z", "ms": 533690919814.7503 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-11-28", "window": { "start": { "local": "1986-11-28T18:07:21-04:00", "utc": "1986-11-28T22:07:21Z", "ms": 533599641309.18 }, "end": { "local": "1986-11-28T19:46:46-04:00", "utc": "1986-11-28T23:46:46Z", "ms": 533605606181.20123 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1986-11-29", "window": { "start": { "local": "1986-11-29T18:07:34-04:00", "utc": "1986-11-29T22:07:34Z", "ms": 533686054138.0818 }, "end": { "local": "1986-11-29T19:47:01-04:00", "utc": "1986-11-29T23:47:01Z", "ms": 533692021229.61725 } }, "covered_min": 81, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:09 on Fri 28 Nov to 19:29 on Sat 29 Nov.", "fact": "1986-11-29T02:08:45Z → 1986-11-29T23:28:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:47 on the 28th, 18:08–19:47 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 99 minutes on the 28th and 81 of 99 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": "one day qualifies → only-day · margin 1101 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Saturday 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": "1986-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-29", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Saturday 29 November. Trayodaśī runs from 22:09 on Fri 28 Nov to 19:29 on Sat 29 Nov and covers 81 of 99 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-11-29", "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/1986/shivaratri?on=1986-11-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-11-29", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 16071, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-11-29T19:28:40-04:00", "utc": "1986-11-29T23:28:40Z", "ms": 533690919814.7503 }, "end": { "local": "1986-11-30T16:16:38-04:00", "utc": "1986-11-30T20:16:38Z", "ms": 533765797829.5356 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-11-29T19:28:40-04:00", "utc": "1986-11-29T23:28:40Z", "ms": 533690919814.7503 }, "end": { "local": "1986-11-30T16:16:38-04:00", "utc": "1986-11-30T20:16:38Z", "ms": 533765797829.5356 } }, "kaala": "nishita", "days": [ { "local_date": "1986-11-29", "window": { "start": { "local": "1986-11-29T23:56:31-04:00", "utc": "1986-11-30T03:56:31Z", "ms": 533706990731.3398 }, "end": { "local": "1986-11-30T00:44:31-04:00", "utc": "1986-11-30T04:44:31Z", "ms": 533709870731.3398 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-30", "window": { "start": { "local": "1986-11-30T23:56:53-04:00", "utc": "1986-12-01T03:56:53Z", "ms": 533793412566.39355 }, "end": { "local": "1986-12-01T00:44:53-04:00", "utc": "1986-12-01T04:44:53Z", "ms": 533796292566.39355 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:29 on Sat 29 Nov to 16:17 on Sun 30 Nov.", "fact": "1986-11-29T23:28:40Z → 1986-11-30T20:16:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 29th, 23:57–00:45 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 16071 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Saturday 29 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-29", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Saturday 29 November. Caturdaśī runs from 19:29 on Sat 29 Nov to 16:17 on Sun 30 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-11-29", "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/1986/vinayaka-chaturthi?on=1986-12-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-04", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 34812, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-12-04T01:38:31-04:00", "utc": "1986-12-04T05:38:31Z", "ms": 534058710880.49365 }, "end": { "local": "1986-12-04T22:26:22-04:00", "utc": "1986-12-05T02:26:22Z", "ms": 534133582253.7045 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-04T01:38:31-04:00", "utc": "1986-12-04T05:38:31Z", "ms": 534058710880.49365 }, "end": { "local": "1986-12-04T22:26:22-04:00", "utc": "1986-12-05T02:26:22Z", "ms": 534133582253.7045 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-03", "window": { "start": { "local": "1986-12-03T11:57:47-04:00", "utc": "1986-12-03T15:57:47Z", "ms": 534009466539.7295 }, "end": { "local": "1986-12-03T12:45:47-04:00", "utc": "1986-12-03T16:45:47Z", "ms": 534012346539.7295 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-12-04", "window": { "start": { "local": "1986-12-04T11:58:11-04:00", "utc": "1986-12-04T15:58:11Z", "ms": 534095890719.1146 }, "end": { "local": "1986-12-04T12:46:11-04:00", "utc": "1986-12-04T16:46:11Z", "ms": 534098770719.1146 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:39 on Thu 4 Dec to 22:26 on Thu 4 Dec.", "fact": "1986-12-04T05:38:31Z → 1986-12-05T02:26:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 3rd, 11:58–12:46 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 34812 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Valencia, 1986: Thursday 4 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", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-04", "confidence": "determinate" } ], "quote": "In Valencia, Vināyaka Caturthī 1986 falls on Thursday 4 December. Caturthī runs from 01:39 on Thu 4 Dec to 22:26 on Thu 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/vinayaka-chaturthi?on=1986-12-04", "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/1986/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-05", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 25121, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-12-04T22:26:22-04:00", "utc": "1986-12-05T02:26:22Z", "ms": 534133582253.7045 }, "end": { "local": "1986-12-05T19:45:17-04:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-04T22:26:22-04:00", "utc": "1986-12-05T02:26:22Z", "ms": 534133582253.7045 }, "end": { "local": "1986-12-05T19:45:17-04:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-04", "window": { "start": { "local": "1986-12-04T11:58:11-04:00", "utc": "1986-12-04T15:58:11Z", "ms": 534095890719.1146 }, "end": { "local": "1986-12-04T12:46:11-04:00", "utc": "1986-12-04T16:46:11Z", "ms": 534098770719.1146 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-12-05", "window": { "start": { "local": "1986-12-05T11:58:35-04:00", "utc": "1986-12-05T15:58:35Z", "ms": 534182315457.808 }, "end": { "local": "1986-12-05T12:46:35-04:00", "utc": "1986-12-05T16:46:35Z", "ms": 534185195457.808 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:26 on Thu 4 Dec to 19:45 on Fri 5 Dec.", "fact": "1986-12-05T02:26:22Z → 1986-12-05T23:45:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 4th, 11:59–12:47 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 25121 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Valencia, 1986: Friday 5 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-05", "confidence": "determinate" } ], "quote": "In Valencia, Nāga Pañcamī (Mārgaśīrṣa) 1986 falls on Friday 5 December. Pañcamī runs from 22:26 on Thu 4 Dec to 19:45 on Fri 5 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 17745, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-12-05T19:45:17-04:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "end": { "local": "1986-12-06T17:42:46-04:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-05T19:45:17-04:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "end": { "local": "1986-12-06T17:42:46-04:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-05", "window": { "start": { "local": "1986-12-05T11:58:35-04:00", "utc": "1986-12-05T15:58:35Z", "ms": 534182315457.808 }, "end": { "local": "1986-12-05T12:46:35-04:00", "utc": "1986-12-05T16:46:35Z", "ms": 534185195457.808 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-12-06", "window": { "start": { "local": "1986-12-06T11:59:01-04:00", "utc": "1986-12-06T15:59:01Z", "ms": 534268740727.22363 }, "end": { "local": "1986-12-06T12:47:01-04:00", "utc": "1986-12-06T16:47:01Z", "ms": 534271620727.22363 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:45 on Fri 5 Dec to 17:43 on Sat 6 Dec.", "fact": "1986-12-05T23:45:17Z → 1986-12-06T21:42:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 5th, 11:59–12:47 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 17745 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Valencia, 1986: Saturday 6 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-06", "confidence": "determinate" } ], "quote": "In Valencia, Campā Ṣaṣṭhī 1986 falls on Saturday 6 December. Ṣaṣṭhī runs from 19:45 on Fri 5 Dec to 17:43 on Sat 6 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-06", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 17745, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-12-05T19:45:17-04:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "end": { "local": "1986-12-06T17:42:46-04:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-05T19:45:17-04:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "end": { "local": "1986-12-06T17:42:46-04:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-05", "window": { "start": { "local": "1986-12-05T11:58:35-04:00", "utc": "1986-12-05T15:58:35Z", "ms": 534182315457.808 }, "end": { "local": "1986-12-05T12:46:35-04:00", "utc": "1986-12-05T16:46:35Z", "ms": 534185195457.808 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-12-06", "window": { "start": { "local": "1986-12-06T11:59:01-04:00", "utc": "1986-12-06T15:59:01Z", "ms": 534268740727.22363 }, "end": { "local": "1986-12-06T12:47:01-04:00", "utc": "1986-12-06T16:47:01Z", "ms": 534271620727.22363 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:45 on Fri 5 Dec to 17:43 on Sat 6 Dec.", "fact": "1986-12-05T23:45:17Z → 1986-12-06T21:42:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 5th, 11:59–12:47 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 17745 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Valencia, 1986: Saturday 6 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-06", "confidence": "determinate" } ], "quote": "In Valencia, Skanda Ṣaṣṭhī 1986 falls on Saturday 6 December. Ṣaṣṭhī runs from 19:45 on Fri 5 Dec to 17:43 on Sat 6 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-07", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 12984, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-12-06T17:42:46-04:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 }, "end": { "local": "1986-12-07T16:23:50-04:00", "utc": "1986-12-07T20:23:50Z", "ms": 534371030075.19836 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-06T17:42:46-04:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 }, "end": { "local": "1986-12-07T16:23:50-04:00", "utc": "1986-12-07T20:23:50Z", "ms": 534371030075.19836 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-06", "window": { "start": { "local": "1986-12-06T11:59:01-04:00", "utc": "1986-12-06T15:59:01Z", "ms": 534268740727.22363 }, "end": { "local": "1986-12-06T12:47:01-04:00", "utc": "1986-12-06T16:47:01Z", "ms": 534271620727.22363 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-12-07", "window": { "start": { "local": "1986-12-07T11:59:26-04:00", "utc": "1986-12-07T15:59:26Z", "ms": 534355166499.37976 }, "end": { "local": "1986-12-07T12:47:26-04:00", "utc": "1986-12-07T16:47:26Z", "ms": 534358046499.37976 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:43 on Sat 6 Dec to 16:24 on Sun 7 Dec.", "fact": "1986-12-06T21:42:46Z → 1986-12-07T20:23:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 6th, 11:59–12:47 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 12984 s" }, { "step": "ruling", "text": "Mitra Saptamī, Valencia, 1986: Sunday 7 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-07", "confidence": "determinate" } ], "quote": "In Valencia, Mitra Saptamī 1986 falls on Sunday 7 December. Saptamī runs from 17:43 on Sat 6 Dec to 16:24 on Sun 7 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/ekadashi?on=1986-12-11", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-11", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 36807, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-12-10T16:52:03-04:00", "utc": "1986-12-10T20:52:03Z", "ms": 534631923314.2069 }, "end": { "local": "1986-12-11T18:16:11-04:00", "utc": "1986-12-11T22:16:11Z", "ms": 534723371493.9961 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-10T16:52:03-04:00", "utc": "1986-12-10T20:52:03Z", "ms": 534631923314.2069 }, "end": { "local": "1986-12-11T18:16:11-04:00", "utc": "1986-12-11T22:16:11Z", "ms": 534723371493.9961 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-12-10", "window": { "start": { "local": "1986-12-10T06:38:36-04:00", "utc": "1986-12-10T10:38:36Z", "ms": 534595116413.5709 }, "end": { "local": "1986-12-10T06:38:36-04:00", "utc": "1986-12-10T10:38:36Z", "ms": 534595116413.5709 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-12-11", "window": { "start": { "local": "1986-12-11T06:39:08-04:00", "utc": "1986-12-11T10:39:08Z", "ms": 534681548028.0021 }, "end": { "local": "1986-12-11T06:39:08-04:00", "utc": "1986-12-11T10:39:08Z", "ms": 534681548028.0021 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-12-12", "start": { "local": "1986-12-12T06:39:40-04:00", "utc": "1986-12-12T10:39:40Z", "ms": 534767979644.39777 }, "end": { "local": "1986-12-12T08:58:05-04:00", "utc": "1986-12-12T12:58:05Z", "ms": 534776284563.8964 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-12-12T20:06:14-04:00", "utc": "1986-12-13T00:06:14Z", "ms": 534816374251.6339 }, "hari_vasara_end": { "local": "1986-12-12T00:43:42-04:00", "utc": "1986-12-12T04:43:42Z", "ms": 534746622183.4055 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:52 on Wed 10 Dec to 18:16 on Thu 11 Dec.", "fact": "1986-12-10T20:52:03Z → 1986-12-11T22:16:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 10th and 06:39 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 36807 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Valencia, 1986: Thursday 11 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-11", "confidence": "determinate" } ], "quote": "In Valencia, Mokṣadā Ekādaśī 1986 falls on Thursday 11 December. Ekādaśī runs from 16:52 on Wed 10 Dec to 18:16 on Thu 11 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-12", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 19617, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-12-11T18:16:11-04:00", "utc": "1986-12-11T22:16:11Z", "ms": 534723371493.9961 }, "end": { "local": "1986-12-12T20:06:14-04:00", "utc": "1986-12-13T00:06:14Z", "ms": 534816374251.6339 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-11T18:16:11-04:00", "utc": "1986-12-11T22:16:11Z", "ms": 534723371493.9961 }, "end": { "local": "1986-12-12T20:06:14-04:00", "utc": "1986-12-13T00:06:14Z", "ms": 534816374251.6339 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-11", "window": { "start": { "local": "1986-12-11T12:01:14-04:00", "utc": "1986-12-11T16:01:14Z", "ms": 534700874067.7947 }, "end": { "local": "1986-12-11T12:49:14-04:00", "utc": "1986-12-11T16:49:14Z", "ms": 534703754067.7947 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-12-12", "window": { "start": { "local": "1986-12-12T12:01:42-04:00", "utc": "1986-12-12T16:01:42Z", "ms": 534787301943.14435 }, "end": { "local": "1986-12-12T12:49:42-04:00", "utc": "1986-12-12T16:49:42Z", "ms": 534790181943.14435 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:16 on Thu 11 Dec to 20:06 on Fri 12 Dec.", "fact": "1986-12-11T22:16:11Z → 1986-12-13T00:06:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 11th, 12:02–12:50 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 19617 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Valencia, 1986: Friday 12 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day", "when_absent_source": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 101", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Here noon or madhyahna relates to the period of time from 24 minutes (one ghatika) before mid-day upto the same time after it. This is the most appropriate time. If this time is not covered by the tithi on any day, the festival is to be observed on the succeeding day of the tithi." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-12", "confidence": "determinate" } ], "quote": "In Valencia, Akhaṇḍa Dvādaśī 1986 falls on Friday 12 December. Dvādaśī runs from 18:16 on Thu 11 Dec to 20:06 on Fri 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/pradosha-vrata?on=1986-12-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-13", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 882, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-12-12T20:06:14-04:00", "utc": "1986-12-13T00:06:14Z", "ms": 534816374251.6339 }, "end": { "local": "1986-12-13T22:14:55-04:00", "utc": "1986-12-14T02:14:55Z", "ms": 534910495130.69336 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-12T20:06:14-04:00", "utc": "1986-12-13T00:06:14Z", "ms": 534816374251.6339 }, "end": { "local": "1986-12-13T22:14:55-04:00", "utc": "1986-12-14T02:14:55Z", "ms": 534910495130.69336 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-12-12", "window": { "start": { "local": "1986-12-12T18:11:44-04:00", "utc": "1986-12-12T22:11:44Z", "ms": 534809504241.8909 }, "end": { "local": "1986-12-12T19:51:32-04:00", "utc": "1986-12-12T23:51:32Z", "ms": 534815491840.5553 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1986-12-13", "window": { "start": { "local": "1986-12-13T18:12:09-04:00", "utc": "1986-12-13T22:12:09Z", "ms": 534895929080.9213 }, "end": { "local": "1986-12-13T19:51:58-04:00", "utc": "1986-12-13T23:51:58Z", "ms": 534901917571.39087 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:06 on Fri 12 Dec to 22:15 on Sat 13 Dec.", "fact": "1986-12-13T00:06:14Z → 1986-12-14T02:14:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–19:52 on the 12th, 18:12–19:52 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 12th and 100 of 100 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 882 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Valencia, 1986: Saturday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-13", "confidence": "boundary" } ], "quote": "In Valencia, Śukla Pradoṣa Vrata 1986 falls on Saturday 13 December. Trayodaśī runs from 20:06 on Fri 12 Dec to 22:15 on Sat 13 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-12-13", "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/1986/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-15", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 17015, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-12-15T00:35:59-04:00", "utc": "1986-12-15T04:35:59Z", "ms": 535005358882.7594 }, "end": { "local": "1986-12-16T03:04:25-04:00", "utc": "1986-12-16T07:04:25Z", "ms": 535100665300.34314 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-15T00:35:59-04:00", "utc": "1986-12-15T04:35:59Z", "ms": 535005358882.7594 }, "end": { "local": "1986-12-16T03:04:25-04:00", "utc": "1986-12-16T07:04:25Z", "ms": 535100665300.34314 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-12-14", "window": { "start": { "local": "1986-12-14T18:12:35-04:00", "utc": "1986-12-14T22:12:35Z", "ms": 534982354599.0964 }, "end": { "local": "1986-12-14T19:52:24-04:00", "utc": "1986-12-14T23:52:24Z", "ms": 534988343878.67993 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1986-12-15", "window": { "start": { "local": "1986-12-15T18:13:01-04:00", "utc": "1986-12-15T22:13:01Z", "ms": 535068780770.17834 }, "end": { "local": "1986-12-15T19:52:51-04:00", "utc": "1986-12-15T23:52:51Z", "ms": 535074770735.5098 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:36 on Mon 15 Dec to 03:04 on Tue 16 Dec.", "fact": "1986-12-15T04:35:59Z → 1986-12-16T07:04:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:52 on the 14th, 18:13–19:53 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 100 minutes on the 14th and 100 of 100 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": "one day qualifies → only-day · margin 17015 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Valencia, 1986: Monday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-15", "confidence": "determinate" } ], "quote": "In Valencia, Dattātreyotpatti (Datta Jayanti) 1986 falls on Monday 15 December. Pūrṇimā runs from 00:36 on Mon 15 Dec to 03:04 on Tue 16 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/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/1986/sankashta-chaturthi?on=1986-12-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-19", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 33279, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-12-19T10:33:05-04:00", "utc": "1986-12-19T14:33:05Z", "ms": 535386784780.16034 }, "end": { "local": "1986-12-20T12:47:46-04:00", "utc": "1986-12-20T16:47:46Z", "ms": 535481265973.98035 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-19T10:33:05-04:00", "utc": "1986-12-19T14:33:05Z", "ms": 535386784780.16034 }, "end": { "local": "1986-12-20T12:47:46-04:00", "utc": "1986-12-20T16:47:46Z", "ms": 535481265973.98035 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-12-19", "window": { "start": { "local": "1986-12-19T21:13:07-04:00", "utc": "1986-12-20T01:13:07Z", "ms": 535425187376.60156 }, "end": { "local": "1986-12-19T21:13:07-04:00", "utc": "1986-12-20T01:13:07Z", "ms": 535425187376.60156 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-12-20", "window": { "start": { "local": "1986-12-20T22:02:25-04:00", "utc": "1986-12-21T02:02:25Z", "ms": 535514544990.83984 }, "end": { "local": "1986-12-20T22:02:25-04:00", "utc": "1986-12-21T02:02:25Z", "ms": 535514544990.83984 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:33 on Fri 19 Dec to 12:48 on Sat 20 Dec.", "fact": "1986-12-19T14:33:05Z → 1986-12-20T16:47:46Z" }, { "step": "kaala", "text": "Moonrise is at 21:13 on the 19th and 22:02 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 33279 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Valencia, 1986: Friday 19 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-19", "confidence": "determinate" } ], "quote": "In Valencia, Saṅkaṣṭa Caturthī 1986 falls on Friday 19 December. Caturthī runs from 10:33 on Fri 19 Dec to 12:48 on Sat 20 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/sankashta-chaturthi?on=1986-12-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/ekadashi?on=1986-12-27", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-27", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 22592, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-12-26T15:14:44-04:00", "utc": "1986-12-26T19:14:44Z", "ms": 536008483841.4011 }, "end": { "local": "1986-12-27T13:03:45-04:00", "utc": "1986-12-27T17:03:45Z", "ms": 536087024936.59143 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-26T15:14:44-04:00", "utc": "1986-12-26T19:14:44Z", "ms": 536008483841.4011 }, "end": { "local": "1986-12-27T13:03:45-04:00", "utc": "1986-12-27T17:03:45Z", "ms": 536087024936.59143 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-12-26", "window": { "start": { "local": "1986-12-26T06:46:45-04:00", "utc": "1986-12-26T10:46:45Z", "ms": 535978004911.8612 }, "end": { "local": "1986-12-26T06:46:45-04:00", "utc": "1986-12-26T10:46:45Z", "ms": 535978004911.8612 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-12-27", "window": { "start": { "local": "1986-12-27T06:47:13-04:00", "utc": "1986-12-27T10:47:13Z", "ms": 536064432764.2026 }, "end": { "local": "1986-12-27T06:47:13-04:00", "utc": "1986-12-27T10:47:13Z", "ms": 536064432764.2026 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "parana": { "local_date": "1986-12-28", "start": { "local": "1986-12-28T06:47:40-04:00", "utc": "1986-12-28T10:47:40Z", "ms": 536150860103.52484 }, "end": { "local": "1986-12-28T09:06:02-04:00", "utc": "1986-12-28T13:06:02Z", "ms": 536159161520.5522 }, "basis": "pratah", "ends_with_dvadashi": false, "dvadashi_end": { "local": "1986-12-28T10:12:38-04:00", "utc": "1986-12-28T14:12:38Z", "ms": 536163157812.86774 }, "hari_vasara_end": { "local": "1986-12-27T18:20:58-04:00", "utc": "1986-12-27T22:20:58Z", "ms": 536106058155.6605 } }, "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:15 on Fri 26 Dec to 13:04 on Sat 27 Dec.", "fact": "1986-12-26T19:14:44Z → 1986-12-27T17:03:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 26th and 06:47 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "one day qualifies → only-day · margin 22592 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Valencia, 1986: Saturday 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", "when_absent_source": { "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." } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-27", "confidence": "determinate" } ], "quote": "In Valencia, Saphalā Ekādaśī 1986 falls on Saturday 27 December. Ekādaśī runs from 15:15 on Fri 26 Dec to 13:04 on Sat 27 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/valencia/festivals/1986/ekadashi?on=1986-12-27", "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/1986/pradosha-vrata?on=1986-12-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-28", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 29209, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-12-28T10:12:38-04:00", "utc": "1986-12-28T14:12:38Z", "ms": 536163157812.86774 }, "end": { "local": "1986-12-29T06:49:39-04:00", "utc": "1986-12-29T10:49:39Z", "ms": 536237379407.27356 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-28T10:12:38-04:00", "utc": "1986-12-28T14:12:38Z", "ms": 536163157812.86774 }, "end": { "local": "1986-12-29T06:49:39-04:00", "utc": "1986-12-29T10:49:39Z", "ms": 536237379407.27356 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-12-28", "window": { "start": { "local": "1986-12-28T18:19:27-04:00", "utc": "1986-12-28T22:19:27Z", "ms": 536192367188.6615 }, "end": { "local": "1986-12-28T19:59:16-04:00", "utc": "1986-12-28T23:59:16Z", "ms": 536198356482.78284 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "1986-12-29", "window": { "start": { "local": "1986-12-29T18:19:59-04:00", "utc": "1986-12-29T22:19:59Z", "ms": 536278799333.4469 }, "end": { "local": "1986-12-29T19:59:48-04:00", "utc": "1986-12-29T23:59:48Z", "ms": 536284787835.8212 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:13 on Sun 28 Dec to 06:50 on Mon 29 Dec.", "fact": "1986-12-28T14:12:38Z → 1986-12-29T10:49:39Z" }, { "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 100 of 100 minutes on the 28th and 0 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": "one day qualifies → only-day · margin 29209 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Valencia, 1986: Sunday 28 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-28", "confidence": "determinate" } ], "quote": "In Valencia, Kṛṣṇa Pradoṣa Vrata 1986 falls on Sunday 28 December. Trayodaśī runs from 10:13 on Sun 28 Dec to 06:50 on Mon 29 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/valencia/festivals/1986/pradosha-vrata?on=1986-12-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/valencia/festivals/1986/shivaratri?on=1986-12-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3625549", "year": 1986, "local_date": "1986-12-29", "confidence": "determinate", "boundary_reasons": [], "agreement": { "state": "none-recorded", "institutions": [] }, "boundary_margin_s": 7600, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-12-29T06:49:39-04:00", "utc": "1986-12-29T10:49:39Z", "ms": 536237379407.27356 }, "end": { "local": "1986-12-30T03:04:57-04:00", "utc": "1986-12-30T07:04:57Z", "ms": 536310296709.1349 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-29T06:49:39-04:00", "utc": "1986-12-29T10:49:39Z", "ms": 536237379407.27356 }, "end": { "local": "1986-12-30T03:04:57-04:00", "utc": "1986-12-30T07:04:57Z", "ms": 536310296709.1349 } }, "kaala": "nishita", "days": [ { "local_date": "1986-12-28", "window": { "start": { "local": "1986-12-29T00:09:47-04:00", "utc": "1986-12-29T04:09:47Z", "ms": 536213387041.6166 }, "end": { "local": "1986-12-29T00:57:47-04:00", "utc": "1986-12-29T04:57:47Z", "ms": 536216267041.6166 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-12-29", "window": { "start": { "local": "1986-12-30T00:10:16-04:00", "utc": "1986-12-30T04:10:16Z", "ms": 536299816217.3506 }, "end": { "local": "1986-12-30T00:58:16-04:00", "utc": "1986-12-30T04:58:16Z", "ms": 536302696217.3506 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "basis": { "kind": "test" }, "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:50 on Mon 29 Dec to 03:05 on Tue 30 Dec.", "fact": "1986-12-29T10:49:39Z → 1986-12-30T07:04:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 28th, 00:10–00:58 on the 29th.", "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 28th and 48 of 48 on the 29th.", "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": "one day qualifies → only-day · margin 7600 s" }, { "step": "ruling", "text": "Śivarātri, Valencia, 1986: Monday 29 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-29", "confidence": "determinate" } ], "quote": "In Valencia, Śivarātri 1986 falls on Monday 29 December. Caturdaśī runs from 06:50 on Mon 29 Dec to 03:05 on Tue 30 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/valencia/festivals/1986/shivaratri?on=1986-12-29", "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" } }