{ "id": "/abu-dhabi/festivals/2018", "place": { "id": "292968", "slug": "abu-dhabi", "name": "Abu Dhabi", "region": "United Arab Emirates", "country": "AE", "lat": 24.45118, "lon": 54.39696, "elevation_m": 6, "tz": "Asia/Dubai" }, "year": 2018, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-01-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1799, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-04T20:01:58+04:00", "utc": "2018-01-04T16:01:58Z", "ms": 1515081718261.4683 }, "end": { "local": "2018-01-05T17:30:17+04:00", "utc": "2018-01-05T13:30:17Z", "ms": 1515159016720.1775 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-04T20:01:58+04:00", "utc": "2018-01-04T16:01:58Z", "ms": 1515081718261.4683 }, "end": { "local": "2018-01-05T17:30:17+04:00", "utc": "2018-01-05T13:30:17Z", "ms": 1515159016720.1775 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-01-04", "window": { "start": { "local": "2018-01-04T20:31:57+04:00", "utc": "2018-01-04T16:31:57Z", "ms": 1515083517060.0571 }, "end": { "local": "2018-01-04T20:31:57+04:00", "utc": "2018-01-04T16:31:57Z", "ms": 1515083517060.0571 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-01-05", "window": { "start": { "local": "2018-01-05T21:35:07+04:00", "utc": "2018-01-05T17:35:07Z", "ms": 1515173707142.086 }, "end": { "local": "2018-01-05T21:35:07+04:00", "utc": "2018-01-05T17:35:07Z", "ms": 1515173707142.086 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:02 on Thu 4 Jan to 17:30 on Fri 5 Jan.", "fact": "2018-01-04T16:01:58Z → 2018-01-05T13:30:17Z" }, { "step": "kaala", "text": "Moonrise is at 20:32 on the 4th and 21:35 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1799 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Thursday 4 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": "2018-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-04", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Thursday 4 January. Caturthī runs from 20:02 on Thu 4 Jan to 17:30 on Fri 5 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-01-12", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37950, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-01-11T17:40:53+04:00", "utc": "2018-01-11T13:40:53Z", "ms": 1515678053014.1506 }, "end": { "local": "2018-01-12T19:52:49+04:00", "utc": "2018-01-12T15:52:49Z", "ms": 1515772369369.072 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-11T17:40:53+04:00", "utc": "2018-01-11T13:40:53Z", "ms": 1515678053014.1506 }, "end": { "local": "2018-01-12T19:52:49+04:00", "utc": "2018-01-12T15:52:49Z", "ms": 1515772369369.072 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-01-11", "window": { "start": { "local": "2018-01-11T07:08:23+04:00", "utc": "2018-01-11T03:08:23Z", "ms": 1515640102774.01 }, "end": { "local": "2018-01-11T07:08:23+04:00", "utc": "2018-01-11T03:08:23Z", "ms": 1515640102774.01 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-01-12", "window": { "start": { "local": "2018-01-12T07:08:26+04:00", "utc": "2018-01-12T03:08:26Z", "ms": 1515726506195.9705 }, "end": { "local": "2018-01-12T07:08:26+04:00", "utc": "2018-01-12T03:08:26Z", "ms": 1515726506195.9705 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:41 on Thu 11 Jan to 19:53 on Fri 12 Jan.", "fact": "2018-01-11T13:40:53Z → 2018-01-12T15:52:49Z" }, { "step": "kaala", "text": "Sunrise is at 07:08 on the 11th and 07:08 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37950 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Abu Dhabi, 2018: Friday 12 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-12", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Ṣaṭtilā Ekādaśī 2018 falls on Friday 12 January. Ekādaśī runs from 17:41 on Thu 11 Jan to 19:53 on Fri 12 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-01-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20276, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-13T01:18:13+04:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T17:53:45+04:00", "utc": "2018-01-13T13:53:45Z", "ms": 1515851625363.637 }, "end": { "local": "2018-01-14T17:54:30+04:00", "utc": "2018-01-14T13:54:30Z", "ms": 1515938069567.1323 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-14T17:54:30+04:00", "utc": "2018-01-14T13:54:30Z", "ms": 1515938069567.1323 }, "end": { "local": "2018-01-15T17:55:14+04:00", "utc": "2018-01-15T13:55:14Z", "ms": 1516024513919.3857 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2018-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 12:17 on Sun 14 Jan.", "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:54, and the day of the 15th ends at 17:55.", "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 20276 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Abu Dhabi, 2018: Saturday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2018-01-13", "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": "2018-01-13", "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 Abu Dhabi, Bhogi 2018 falls on Saturday 13 January. It is kept the day before Pongal, which falls on Sunday 14 January. The Sun enters Makara at 12:17 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20276, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-13T01:18:13+04:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T17:53:45+04:00", "utc": "2018-01-13T13:53:45Z", "ms": 1515851625363.637 }, "end": { "local": "2018-01-14T17:54:30+04:00", "utc": "2018-01-14T13:54:30Z", "ms": 1515938069567.1323 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-14T17:54:30+04:00", "utc": "2018-01-14T13:54:30Z", "ms": 1515938069567.1323 }, "end": { "local": "2018-01-15T17:55:14+04:00", "utc": "2018-01-15T13:55:14Z", "ms": 1516024513919.3857 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 12:17 on Sun 14 Jan.", "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:54, and the day of the 15th ends at 17:55.", "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 20276 s" }, { "step": "ruling", "text": "Pongal, Abu Dhabi, 2018: Sunday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2018-01-14", "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": "2018-01-14", "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 Abu Dhabi, Pongal 2018 falls on Sunday 14 January. The Sun enters Makara at 12:17 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42206, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-13T01:18:13+04:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "civil-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-14T00:00:00+04:00", "utc": "2018-01-13T20:00:00Z", "ms": 1515873600000 }, "end": { "local": "2018-01-15T00:00:00+04:00", "utc": "2018-01-14T20:00:00Z", "ms": 1515960000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-15T00:00:00+04:00", "utc": "2018-01-14T20:00:00Z", "ms": 1515960000000 }, "end": { "local": "2018-01-16T00:00:00+04:00", "utc": "2018-01-15T20:00:00Z", "ms": 1516046400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 12:17 on Sun 14 Jan.", "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Abu Dhabi.", "fact": "civil-day: midnight-to-midnight · Asia/Dubai" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 42206 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Abu Dhabi, 2018: Sunday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2018-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2018-01-14", "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 Abu Dhabi, Makara Saṅkrānti 2018 falls on Sunday 14 January. The Sun enters Makara at 12:17 on Sun 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-01-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9760, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-01-13T22:22:23+04:00", "utc": "2018-01-13T18:22:23Z", "ms": 1515867742723.9802 }, "end": { "local": "2018-01-15T01:01:06+04:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-13T22:22:23+04:00", "utc": "2018-01-13T18:22:23Z", "ms": 1515867742723.9802 }, "end": { "local": "2018-01-15T01:01:06+04:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-13", "window": { "start": { "local": "2018-01-13T17:53:45+04:00", "utc": "2018-01-13T13:53:45Z", "ms": 1515851625363.637 }, "end": { "local": "2018-01-13T19:39:43+04:00", "utc": "2018-01-13T15:39:43Z", "ms": 1515857983148.0984 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-14T17:54:30+04:00", "utc": "2018-01-14T13:54:30Z", "ms": 1515938069567.1323 }, "end": { "local": "2018-01-14T19:40:21+04:00", "utc": "2018-01-14T15:40:21Z", "ms": 1515944421339.7754 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:22 on Sat 13 Jan to 01:01 on Mon 15 Jan.", "fact": "2018-01-13T18:22:23Z → 2018-01-14T21:01:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:40 on the 13th, 17:54–19:40 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 13th and 106 of 106 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9760 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Sunday 14 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": "2018-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-14", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Sunday 14 January. Trayodaśī runs from 22:22 on Sat 13 Jan to 01:01 on Mon 15 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-01-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20276, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-13T01:18:13+04:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T12:16:34+04:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T17:53:45+04:00", "utc": "2018-01-13T13:53:45Z", "ms": 1515851625363.637 }, "end": { "local": "2018-01-14T17:54:30+04:00", "utc": "2018-01-14T13:54:30Z", "ms": 1515938069567.1323 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-14T17:54:30+04:00", "utc": "2018-01-14T13:54:30Z", "ms": 1515938069567.1323 }, "end": { "local": "2018-01-15T17:55:14+04:00", "utc": "2018-01-15T13:55:14Z", "ms": 1516024513919.3857 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2018-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 12:17 on Sun 14 Jan.", "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:54, and the day of the 15th ends at 17:55.", "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 20276 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Abu Dhabi, 2018: Monday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2018-01-15", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2018-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Abu Dhabi, Mattu Pongal 2018 falls on Monday 15 January. It is kept the day after Pongal, which falls on Sunday 14 January. The Sun enters Makara at 12:17 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6069, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-01-15T01:01:06+04:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T03:41:31+04:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-15T01:01:06+04:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T03:41:31+04:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-15T05:22:36+04:00", "utc": "2018-01-15T01:22:36Z", "ms": 1515979356089.3123 }, "end": { "local": "2018-01-15T07:08:28+04:00", "utc": "2018-01-15T03:08:28Z", "ms": 1515985707861.9553 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2018-01-16", "window": { "start": { "local": "2018-01-16T05:22:40+04:00", "utc": "2018-01-16T01:22:40Z", "ms": 1516065759980.7605 }, "end": { "local": "2018-01-16T07:08:26+04:00", "utc": "2018-01-16T03:08:26Z", "ms": 1516072105528.6643 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:01 on Mon 15 Jan to 03:42 on Tue 16 Jan.", "fact": "2018-01-14T21:01:06Z → 2018-01-15T23:41:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:23–07:08 on the 15th, 05:23–07:08 on the 16th.", "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 106 of 106 minutes on the 15th and 0 of 106 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6069 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Abu Dhabi, 2018: Monday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-15", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Yama Tarpaṇa 2018 falls on Monday 15 January. Caturdaśī runs from 01:01 on Mon 15 Jan to 03:42 on Tue 16 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/shivaratri?on=2018-01-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 337, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-01-15T01:01:06+04:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T03:41:31+04:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-15T01:01:06+04:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T03:41:31+04:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 } }, "kaala": "nishita", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-15T00:07:29+04:00", "utc": "2018-01-14T20:07:29Z", "ms": 1515960448714.544 }, "end": { "local": "2018-01-15T00:55:29+04:00", "utc": "2018-01-14T20:55:29Z", "ms": 1515963328714.544 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-16T00:07:50+04:00", "utc": "2018-01-15T20:07:50Z", "ms": 1516046869724.025 }, "end": { "local": "2018-01-16T00:55:50+04:00", "utc": "2018-01-15T20:55:50Z", "ms": 1516049749724.025 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:01 on Mon 15 Jan to 03:42 on Tue 16 Jan.", "fact": "2018-01-14T21:01:06Z → 2018-01-15T23:41:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:07–00:55 on the 14th, 00:08–00:56 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 337 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Monday 15 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": "2018-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-15", "confidence": "boundary" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Monday 15 January. Caturdaśī runs from 01:01 on Mon 15 Jan to 03:42 on Tue 16 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 981, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-20T12:41:08+04:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T14:03:40+04:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-20T12:41:08+04:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T14:03:40+04:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-20", "window": { "start": { "local": "2018-01-20T12:09:29+04:00", "utc": "2018-01-20T08:09:29Z", "ms": 1516435769116.1252 }, "end": { "local": "2018-01-20T12:57:29+04:00", "utc": "2018-01-20T08:57:29Z", "ms": 1516438649116.1252 } }, "covered_min": 16, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T12:09:47+04:00", "utc": "2018-01-21T08:09:47Z", "ms": 1516522186540.3804 }, "end": { "local": "2018-01-21T12:57:47+04:00", "utc": "2018-01-21T08:57:47Z", "ms": 1516525066540.3804 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:41 on Sat 20 Jan to 14:04 on Sun 21 Jan.", "fact": "2018-01-20T08:41:08Z → 2018-01-21T10:03:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 20th, 12:10–12:58 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 16 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 981 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Abu Dhabi, 2018: Saturday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-20", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2018 falls on Saturday 20 January. Caturthī runs from 12:41 on Sat 20 Jan to 14:04 on Sun 21 Jan and covers 16 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14161, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-20T12:41:08+04:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T14:03:40+04:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-20T12:41:08+04:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T14:03:40+04:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-20", "window": { "start": { "local": "2018-01-20T17:58:57+04:00", "utc": "2018-01-20T13:58:57Z", "ms": 1516456736585.5598 }, "end": { "local": "2018-01-20T19:44:08+04:00", "utc": "2018-01-20T15:44:08Z", "ms": 1516463047978.6123 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T17:59:41+04:00", "utc": "2018-01-21T13:59:41Z", "ms": 1516543181047.3083 }, "end": { "local": "2018-01-21T19:44:45+04:00", "utc": "2018-01-21T15:44:45Z", "ms": 1516549485036.4585 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:41 on Sat 20 Jan to 14:04 on Sun 21 Jan.", "fact": "2018-01-20T08:41:08Z → 2018-01-21T10:03:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:44 on the 20th, 18:00–19:45 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 105 of 105 minutes on the 20th and 0 of 105 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14161 s" }, { "step": "ruling", "text": "Tila Caturthī, Abu Dhabi, 2018: Saturday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-20", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Tila Caturthī 2018 falls on Saturday 20 January. Caturthī runs from 12:41 on Sat 20 Jan to 14:04 on Sun 21 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3954, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-01-21T14:03:40+04:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T14:54:51+04:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-21T14:03:40+04:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T14:54:51+04:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T12:09:47+04:00", "utc": "2018-01-21T08:09:47Z", "ms": 1516522186540.3804 }, "end": { "local": "2018-01-21T12:57:47+04:00", "utc": "2018-01-21T08:57:47Z", "ms": 1516525066540.3804 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-01-22", "window": { "start": { "local": "2018-01-22T12:10:03+04:00", "utc": "2018-01-22T08:10:03Z", "ms": 1516608603186.2622 }, "end": { "local": "2018-01-22T12:58:03+04:00", "utc": "2018-01-22T08:58:03Z", "ms": 1516611483186.2622 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:04 on Sun 21 Jan to 14:55 on Mon 22 Jan.", "fact": "2018-01-21T10:03:40Z → 2018-01-22T10:54:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 21st, 12:10–12:58 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3954 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Abu Dhabi, 2018: Monday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śrī Pañcamī 2018 falls on Monday 22 January. Pañcamī runs from 14:04 on Sun 21 Jan to 14:55 on Mon 22 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3954, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-01-21T14:03:40+04:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T14:54:51+04:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-21T14:03:40+04:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T14:54:51+04:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T12:09:47+04:00", "utc": "2018-01-21T08:09:47Z", "ms": 1516522186540.3804 }, "end": { "local": "2018-01-21T12:57:47+04:00", "utc": "2018-01-21T08:57:47Z", "ms": 1516525066540.3804 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-01-22", "window": { "start": { "local": "2018-01-22T12:10:03+04:00", "utc": "2018-01-22T08:10:03Z", "ms": 1516608603186.2622 }, "end": { "local": "2018-01-22T12:58:03+04:00", "utc": "2018-01-22T08:58:03Z", "ms": 1516611483186.2622 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:04 on Sun 21 Jan to 14:55 on Mon 22 Jan.", "fact": "2018-01-21T10:03:40Z → 2018-01-22T10:54:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 21st, 12:10–12:58 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3954 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Abu Dhabi, 2018: Monday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vasanta Pañcamī 2018 falls on Monday 22 January. Pañcamī runs from 14:04 on Sun 21 Jan to 14:55 on Mon 22 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27584, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-01-23T15:10:17+04:00", "utc": "2018-01-23T11:10:17Z", "ms": 1516705816734.995 }, "end": { "local": "2018-01-24T14:46:58+04:00", "utc": "2018-01-24T10:46:58Z", "ms": 1516790818221.2603 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-23T15:10:17+04:00", "utc": "2018-01-23T11:10:17Z", "ms": 1516705816734.995 }, "end": { "local": "2018-01-24T14:46:58+04:00", "utc": "2018-01-24T10:46:58Z", "ms": 1516790818221.2603 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-01-23", "window": { "start": { "local": "2018-01-23T05:22:32+04:00", "utc": "2018-01-23T01:22:32Z", "ms": 1516670552042.7515 }, "end": { "local": "2018-01-23T07:07:28+04:00", "utc": "2018-01-23T03:07:28Z", "ms": 1516676848448.315 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2018-01-24", "window": { "start": { "local": "2018-01-24T05:22:26+04:00", "utc": "2018-01-24T01:22:26Z", "ms": 1516756945839.3262 }, "end": { "local": "2018-01-24T07:07:14+04:00", "utc": "2018-01-24T03:07:14Z", "ms": 1516763234486.519 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 15:10 on Tue 23 Jan to 14:47 on Wed 24 Jan.", "fact": "2018-01-23T11:10:17Z → 2018-01-24T10:46:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:23–07:07 on the 23rd, 05:22–07:07 on the 24th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 105 minutes on the 23rd and 105 of 105 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27584 s" }, { "step": "ruling", "text": "Ratha Saptamī, Abu Dhabi, 2018: Wednesday 24 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-24", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Ratha Saptamī 2018 falls on Wednesday 24 January. Saptamī runs from 15:10 on Tue 23 Jan to 14:47 on Wed 24 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-01-27", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 488, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-01-27T09:44:57+04:00", "utc": "2018-01-27T05:44:57Z", "ms": 1517031897353.4683 }, "end": { "local": "2018-01-28T06:57:57+04:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-27T09:44:57+04:00", "utc": "2018-01-27T05:44:57Z", "ms": 1517031897353.4683 }, "end": { "local": "2018-01-28T06:57:57+04:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-01-27", "window": { "start": { "local": "2018-01-27T07:06:24+04:00", "utc": "2018-01-27T03:06:24Z", "ms": 1517022384024.2727 }, "end": { "local": "2018-01-27T07:06:24+04:00", "utc": "2018-01-27T03:06:24Z", "ms": 1517022384024.2727 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T07:06:04+04:00", "utc": "2018-01-28T03:06:04Z", "ms": 1517108764384.553 }, "end": { "local": "2018-01-28T07:06:04+04:00", "utc": "2018-01-28T03:06:04Z", "ms": 1517108764384.553 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:45 on Sat 27 Jan to 06:58 on Sun 28 Jan.", "fact": "2018-01-27T05:44:57Z → 2018-01-28T02:57:57Z" }, { "step": "kaala", "text": "Sunrise is at 07:06 on the 27th and 07:06 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 488 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Abu Dhabi, 2018: Saturday 27 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Jayā Ekādaśī 2018 falls on Saturday 27 January. Ekādaśī runs from 09:45 on Sat 27 Jan to 06:58 on Sun 28 Jan, and is current at sunrise on neither day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-01-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18809, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-01-28T06:57:57+04:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "end": { "local": "2018-01-29T03:48:01+04:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-28T06:57:57+04:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "end": { "local": "2018-01-29T03:48:01+04:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T12:11:26+04:00", "utc": "2018-01-28T08:11:26Z", "ms": 1517127086098.4268 }, "end": { "local": "2018-01-28T12:59:26+04:00", "utc": "2018-01-28T08:59:26Z", "ms": 1517129966098.4268 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-29", "window": { "start": { "local": "2018-01-29T12:11:37+04:00", "utc": "2018-01-29T08:11:37Z", "ms": 1517213497029.4243 }, "end": { "local": "2018-01-29T12:59:37+04:00", "utc": "2018-01-29T08:59:37Z", "ms": 1517216377029.4243 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:58 on Sun 28 Jan to 03:48 on Mon 29 Jan.", "fact": "2018-01-28T02:57:57Z → 2018-01-28T23:48:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 28th, 12:12–13:00 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18809 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Abu Dhabi, 2018: Sunday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-28", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Bhīṣma Dvādaśī 2018 falls on Sunday 28 January. Dvādaśī runs from 06:58 on Sun 28 Jan to 03:48 on Mon 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-01-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16435, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-01-29T03:48:01+04:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "end": { "local": "2018-01-30T00:23:24+04:00", "utc": "2018-01-29T20:23:24Z", "ms": 1517257404271.044 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-29T03:48:01+04:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "end": { "local": "2018-01-30T00:23:24+04:00", "utc": "2018-01-29T20:23:24Z", "ms": 1517257404271.044 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T18:04:48+04:00", "utc": "2018-01-28T14:04:48Z", "ms": 1517148287812.3008 }, "end": { "local": "2018-01-28T19:48:55+04:00", "utc": "2018-01-28T15:48:55Z", "ms": 1517154535218.7715 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2018-01-29", "window": { "start": { "local": "2018-01-29T18:05:31+04:00", "utc": "2018-01-29T14:05:31Z", "ms": 1517234730698.017 }, "end": { "local": "2018-01-29T19:49:29+04:00", "utc": "2018-01-29T15:49:29Z", "ms": 1517240969401.141 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:48 on Mon 29 Jan to 00:23 on Tue 30 Jan.", "fact": "2018-01-28T23:48:01Z → 2018-01-29T20:23:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:49 on the 28th, 18:06–19:49 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 104 minutes on the 28th and 104 of 104 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16435 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Monday 29 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": "2018-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-29", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Monday 29 January. Trayodaśī runs from 03:48 on Mon 29 Jan to 00:23 on Tue 30 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16007, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-01-30T20:53:08+04:00", "utc": "2018-01-30T16:53:08Z", "ms": 1517331187830.8684 }, "end": { "local": "2018-01-31T17:26:44+04:00", "utc": "2018-01-31T13:26:44Z", "ms": 1517405203735.9001 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2018-01-30T20:53:08+04:00", "utc": "2018-01-30T16:53:08Z", "ms": 1517331187830.8684 }, "end": { "local": "2018-01-31T17:26:44+04:00", "utc": "2018-01-31T13:26:44Z", "ms": 1517405203735.9001 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-30", "window": { "start": { "local": "2018-01-30T12:11:47+04:00", "utc": "2018-01-30T08:11:47Z", "ms": 1517299907131.44 }, "end": { "local": "2018-01-30T12:59:47+04:00", "utc": "2018-01-30T08:59:47Z", "ms": 1517302787131.44 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-01-31", "window": { "start": { "local": "2018-01-31T12:11:56+04:00", "utc": "2018-01-31T08:11:56Z", "ms": 1517386316407.7876 }, "end": { "local": "2018-01-31T12:59:56+04:00", "utc": "2018-01-31T08:59:56Z", "ms": 1517389196407.7876 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:53 on Tue 30 Jan to 17:27 on Wed 31 Jan.", "fact": "2018-01-30T16:53:08Z → 2018-01-31T13:26:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 30th, 12:12–13:00 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16007 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Abu Dhabi, 2018: Wednesday 31 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-31", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Māghī Pūrṇimā 2018 falls on Wednesday 31 January. Pūrṇimā runs from 20:53 on Tue 30 Jan to 17:27 on Wed 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-02-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36639, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-02-03T09:06:16+04:00", "utc": "2018-02-03T05:06:16Z", "ms": 1517634376094.376 }, "end": { "local": "2018-02-04T07:28:05+04:00", "utc": "2018-02-04T03:28:05Z", "ms": 1517714884979.523 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-03T09:06:16+04:00", "utc": "2018-02-03T05:06:16Z", "ms": 1517634376094.376 }, "end": { "local": "2018-02-04T07:28:05+04:00", "utc": "2018-02-04T03:28:05Z", "ms": 1517714884979.523 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-02-02", "window": { "start": { "local": "2018-02-02T20:16:45+04:00", "utc": "2018-02-02T16:16:45Z", "ms": 1517588204745.5447 }, "end": { "local": "2018-02-02T20:16:45+04:00", "utc": "2018-02-02T16:16:45Z", "ms": 1517588204745.5447 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-03", "window": { "start": { "local": "2018-02-03T21:17:26+04:00", "utc": "2018-02-03T17:17:26Z", "ms": 1517678246169.6304 }, "end": { "local": "2018-02-03T21:17:26+04:00", "utc": "2018-02-03T17:17:26Z", "ms": 1517678246169.6304 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:06 on Sat 3 Feb to 07:28 on Sun 4 Feb.", "fact": "2018-02-03T05:06:16Z → 2018-02-04T03:28:05Z" }, { "step": "kaala", "text": "Moonrise is at 20:17 on the 2nd and 21:17 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36639 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Saturday 3 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": "2018-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-03", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Saturday 3 February. Caturthī runs from 09:06 on Sat 3 Feb to 07:28 on Sun 4 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-02-11", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22466, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-02-10T13:14:17+04:00", "utc": "2018-02-10T09:14:17Z", "ms": 1518254056706.8145 }, "end": { "local": "2018-02-11T15:54:32+04:00", "utc": "2018-02-11T11:54:32Z", "ms": 1518350072012.6855 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-10T13:14:17+04:00", "utc": "2018-02-10T09:14:17Z", "ms": 1518254056706.8145 }, "end": { "local": "2018-02-11T15:54:32+04:00", "utc": "2018-02-11T11:54:32Z", "ms": 1518350072012.6855 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-02-10", "window": { "start": { "local": "2018-02-10T06:59:51+04:00", "utc": "2018-02-10T02:59:51Z", "ms": 1518231590597.5674 }, "end": { "local": "2018-02-10T06:59:51+04:00", "utc": "2018-02-10T02:59:51Z", "ms": 1518231590597.5674 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-11", "window": { "start": { "local": "2018-02-11T06:59:13+04:00", "utc": "2018-02-11T02:59:13Z", "ms": 1518317953474.467 }, "end": { "local": "2018-02-11T06:59:13+04:00", "utc": "2018-02-11T02:59:13Z", "ms": 1518317953474.467 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:14 on Sat 10 Feb to 15:55 on Sun 11 Feb.", "fact": "2018-02-10T09:14:17Z → 2018-02-11T11:54:32Z" }, { "step": "kaala", "text": "Sunrise is at 07:00 on the 10th and 06:59 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": "priority: paraviddha → only-day · margin 22466 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Abu Dhabi, 2018: Sunday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-11", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vijayā Ekādaśī 2018 falls on Sunday 11 February. Ekādaśī runs from 13:14 on Sat 10 Feb to 15:55 on Sun 11 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-02-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3334, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-02-13T21:04:57+04:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "end": { "local": "2018-02-14T23:16:48+04:00", "utc": "2018-02-14T19:16:48Z", "ms": 1518635808473.8533 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-13T21:04:57+04:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "end": { "local": "2018-02-14T23:16:48+04:00", "utc": "2018-02-14T19:16:48Z", "ms": 1518635808473.8533 } }, "kaala": "nishita", "days": [ { "local_date": "2018-02-13", "window": { "start": { "local": "2018-02-14T00:12:24+04:00", "utc": "2018-02-13T20:12:24Z", "ms": 1518552744302.7454 }, "end": { "local": "2018-02-14T01:00:24+04:00", "utc": "2018-02-13T21:00:24Z", "ms": 1518555624302.7454 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-02-14", "window": { "start": { "local": "2018-02-15T00:12:22+04:00", "utc": "2018-02-14T20:12:22Z", "ms": 1518639142121.7036 }, "end": { "local": "2018-02-15T01:00:22+04:00", "utc": "2018-02-14T21:00:22Z", "ms": 1518642022121.7036 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:05 on Tue 13 Feb to 23:17 on Wed 14 Feb.", "fact": "2018-02-13T17:04:57Z → 2018-02-14T19:16:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 13th, 00:12–01:00 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 3334 s" }, { "step": "ruling", "text": "Mahāśivarātri, Abu Dhabi, 2018: Tuesday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Mahāśivarātri 2018 falls on Tuesday 13 February. Caturdaśī runs from 21:05 on Tue 13 Feb to 23:17 on Wed 14 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-02-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-02-13", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1198, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-02-12T18:34:53+04:00", "utc": "2018-02-12T14:34:53Z", "ms": 1518446093438.286 }, "end": { "local": "2018-02-13T21:04:57+04:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-12T18:34:53+04:00", "utc": "2018-02-12T14:34:53Z", "ms": 1518446093438.286 }, "end": { "local": "2018-02-13T21:04:57+04:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-02-12", "window": { "start": { "local": "2018-02-12T18:14:56+04:00", "utc": "2018-02-12T14:14:56Z", "ms": 1518444895529.9934 }, "end": { "local": "2018-02-12T19:56:40+04:00", "utc": "2018-02-12T15:56:40Z", "ms": 1518450999589.955 } }, "covered_min": 82, "window_min": 102, "qualifies": true }, { "local_date": "2018-02-13", "window": { "start": { "local": "2018-02-13T18:15:33+04:00", "utc": "2018-02-13T14:15:33Z", "ms": 1518531332954.9746 }, "end": { "local": "2018-02-13T19:57:07+04:00", "utc": "2018-02-13T15:57:07Z", "ms": 1518537426647.7134 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:35 on Mon 12 Feb to 21:05 on Tue 13 Feb.", "fact": "2018-02-12T14:34:53Z → 2018-02-13T17:04:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:57 on the 12th, 18:16–19:57 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 82 of 102 minutes on the 12th and 102 of 102 on the 13th.", "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 1198 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Tuesday 13 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-02-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-13", "confidence": "boundary" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 13 February. Trayodaśī runs from 18:35 on Mon 12 Feb to 21:05 on Tue 13 Feb and covers all of pradoṣa that evening. It also reaches the previous evening for 82 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-02-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-02-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30309, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-02-19T03:47:14+04:00", "utc": "2018-02-18T23:47:14Z", "ms": 1518997634456.6365 }, "end": { "local": "2018-02-20T03:45:23+04:00", "utc": "2018-02-19T23:45:23Z", "ms": 1519083923255.6016 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-19T03:47:14+04:00", "utc": "2018-02-18T23:47:14Z", "ms": 1518997634456.6365 }, "end": { "local": "2018-02-20T03:45:23+04:00", "utc": "2018-02-19T23:45:23Z", "ms": 1519083923255.6016 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-02-19", "window": { "start": { "local": "2018-02-19T12:12:24+04:00", "utc": "2018-02-19T08:12:24Z", "ms": 1519027943656.474 }, "end": { "local": "2018-02-19T13:00:24+04:00", "utc": "2018-02-19T09:00:24Z", "ms": 1519030823656.474 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-02-20", "window": { "start": { "local": "2018-02-20T12:12:18+04:00", "utc": "2018-02-20T08:12:18Z", "ms": 1519114337732.8247 }, "end": { "local": "2018-02-20T13:00:18+04:00", "utc": "2018-02-20T09:00:18Z", "ms": 1519117217732.8247 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:47 on Mon 19 Feb to 03:45 on Tue 20 Feb.", "fact": "2018-02-18T23:47:14Z → 2018-02-19T23:45:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 19th, 12:12–13:00 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30309 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Monday 19 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-19", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Monday 19 February. Caturthī runs from 03:47 on Mon 19 Feb to 03:45 on Tue 20 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-02-26", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33075, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-02-25T18:39:56+04:00", "utc": "2018-02-25T14:39:56Z", "ms": 1519569595588.5083 }, "end": { "local": "2018-02-26T15:59:13+04:00", "utc": "2018-02-26T11:59:13Z", "ms": 1519646352739.048 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-25T18:39:56+04:00", "utc": "2018-02-25T14:39:56Z", "ms": 1519569595588.5083 }, "end": { "local": "2018-02-26T15:59:13+04:00", "utc": "2018-02-26T11:59:13Z", "ms": 1519646352739.048 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-02-25", "window": { "start": { "local": "2018-02-25T06:48:49+04:00", "utc": "2018-02-25T02:48:49Z", "ms": 1519526929157.1455 }, "end": { "local": "2018-02-25T06:48:49+04:00", "utc": "2018-02-25T02:48:49Z", "ms": 1519526929157.1455 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-26", "window": { "start": { "local": "2018-02-26T06:47:58+04:00", "utc": "2018-02-26T02:47:58Z", "ms": 1519613278010.5466 }, "end": { "local": "2018-02-26T06:47:58+04:00", "utc": "2018-02-26T02:47:58Z", "ms": 1519613278010.5466 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:40 on Sun 25 Feb to 15:59 on Mon 26 Feb.", "fact": "2018-02-25T14:39:56Z → 2018-02-26T11:59:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:49 on the 25th and 06:48 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33075 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Abu Dhabi, 2018: Monday 26 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-26", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Āmalakī Ekādaśī 2018 falls on Monday 26 February. Ekādaśī runs from 18:40 on Sun 25 Feb to 15:59 on Mon 26 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-02-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-02-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18856, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-02-27T13:09:14+04:00", "utc": "2018-02-27T09:09:14Z", "ms": 1519722554032.3486 }, "end": { "local": "2018-02-28T10:16:19+04:00", "utc": "2018-02-28T06:16:19Z", "ms": 1519798579179.2974 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-02-27T13:09:14+04:00", "utc": "2018-02-27T09:09:14Z", "ms": 1519722554032.3486 }, "end": { "local": "2018-02-28T10:16:19+04:00", "utc": "2018-02-28T06:16:19Z", "ms": 1519798579179.2974 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-02-27", "window": { "start": { "local": "2018-02-27T18:23:30+04:00", "utc": "2018-02-27T14:23:30Z", "ms": 1519741410318.7266 }, "end": { "local": "2018-02-27T20:02:32+04:00", "utc": "2018-02-27T16:02:32Z", "ms": 1519747352081.8918 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2018-02-28", "window": { "start": { "local": "2018-02-28T18:24:01+04:00", "utc": "2018-02-28T14:24:01Z", "ms": 1519827841151.2456 }, "end": { "local": "2018-02-28T20:02:52+04:00", "utc": "2018-02-28T16:02:52Z", "ms": 1519833771701.9915 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:09 on Tue 27 Feb to 10:16 on Wed 28 Feb.", "fact": "2018-02-27T09:09:14Z → 2018-02-28T06:16:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–20:03 on the 27th, 18:24–20:03 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 27th and 0 of 99 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18856 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Tuesday 27 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": "2018-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Tuesday 27 February. Trayodaśī runs from 13:09 on Tue 27 Feb to 10:16 on Wed 28 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31019, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-01T07:27:42+04:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T04:51:20+04:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-03-01T07:27:42+04:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T04:51:20+04:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-03-01", "window": { "start": { "local": "2018-03-01T16:04:41+04:00", "utc": "2018-03-01T12:04:41Z", "ms": 1519905881330.1548 }, "end": { "local": "2018-03-01T18:24:32+04:00", "utc": "2018-03-01T14:24:32Z", "ms": 1519914271592.2336 } }, "covered_min": 140, "window_min": 140, "qualifies": true }, { "local_date": "2018-03-02", "window": { "start": { "local": "2018-03-02T16:04:55+04:00", "utc": "2018-03-02T12:04:55Z", "ms": 1519992294600.9583 }, "end": { "local": "2018-03-02T18:25:02+04:00", "utc": "2018-03-02T14:25:02Z", "ms": 1520000701656.6606 } }, "covered_min": 0, "window_min": 140, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:28 on Thu 1 Mar to 04:51 on Fri 2 Mar.", "fact": "2018-03-01T03:27:42Z → 2018-03-02T00:51:20Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:05–18:25 on the 1st, 16:05–18:25 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 140 of 140 minutes on the 1st and 0 of 140 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31019 s" }, { "step": "ruling", "text": "Holikā Dahana, Abu Dhabi, 2018: Thursday 1 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": "2018-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-01", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Holikā Dahana 2018 falls on Thursday 1 March. Pūrṇimā runs from 07:28 on Thu 1 Mar to 04:51 on Fri 2 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31019, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-01T07:27:42+04:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T04:51:20+04:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2018-03-01T07:27:42+04:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T04:51:20+04:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-03-01", "window": { "start": { "local": "2018-03-01T16:04:41+04:00", "utc": "2018-03-01T12:04:41Z", "ms": 1519905881330.1548 }, "end": { "local": "2018-03-01T18:24:32+04:00", "utc": "2018-03-01T14:24:32Z", "ms": 1519914271592.2336 } }, "covered_min": 140, "window_min": 140, "qualifies": true }, { "local_date": "2018-03-02", "window": { "start": { "local": "2018-03-02T16:04:55+04:00", "utc": "2018-03-02T12:04:55Z", "ms": 1519992294600.9583 }, "end": { "local": "2018-03-02T18:25:02+04:00", "utc": "2018-03-02T14:25:02Z", "ms": 1520000701656.6606 } }, "covered_min": 0, "window_min": 140, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2018-03-01", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:28 on Thu 1 Mar to 04:51 on Fri 2 Mar.", "fact": "2018-03-01T03:27:42Z → 2018-03-02T00:51:20Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:05–18:25 on the 1st, 16:05–18:25 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 140 of 140 minutes on the 1st and 0 of 140 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31019 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 1 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Abu Dhabi, 2018: Friday 2 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": "2018-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-02", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Holī 2018 falls on Friday 2 March. It is kept the day after Holikā Dahana, which falls on Thursday 1 March. Pūrṇimā runs from 07:28 on Thu 1 Mar to 04:51 on Fri 2 Mar and covers all of sāyāhna on the 1st.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6786, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-03-02T04:51:20+04:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "end": { "local": "2018-03-03T02:35:31+04:00", "utc": "2018-03-02T22:35:31Z", "ms": 1520030131395.1226 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-02T04:51:20+04:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "end": { "local": "2018-03-03T02:35:31+04:00", "utc": "2018-03-02T22:35:31Z", "ms": 1520030131395.1226 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-02", "window": { "start": { "local": "2018-03-02T06:44:26+04:00", "utc": "2018-03-02T02:44:26Z", "ms": 1519958666378.1482 }, "end": { "local": "2018-03-02T06:44:26+04:00", "utc": "2018-03-02T02:44:26Z", "ms": 1519958666378.1482 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-03-03", "window": { "start": { "local": "2018-03-03T06:43:32+04:00", "utc": "2018-03-03T02:43:32Z", "ms": 1520045011862.4932 }, "end": { "local": "2018-03-03T06:43:32+04:00", "utc": "2018-03-03T02:43:32Z", "ms": 1520045011862.4932 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:51 on Fri 2 Mar to 02:36 on Sat 3 Mar.", "fact": "2018-03-02T00:51:20Z → 2018-03-02T22:35:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 2nd and 06:44 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6786 s" }, { "step": "ruling", "text": "Vasantotsava, Abu Dhabi, 2018: Friday 2 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": "2018-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-02", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vasantotsava 2018 falls on Friday 2 March. Pratipadā runs from 04:51 on Fri 2 Mar to 02:36 on Sat 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-03-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4635, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-03-04T23:37:56+04:00", "utc": "2018-03-04T19:37:56Z", "ms": 1520192276265.9006 }, "end": { "local": "2018-03-05T23:09:45+04:00", "utc": "2018-03-05T19:09:45Z", "ms": 1520276985167.4338 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-04T23:37:56+04:00", "utc": "2018-03-04T19:37:56Z", "ms": 1520192276265.9006 }, "end": { "local": "2018-03-05T23:09:45+04:00", "utc": "2018-03-05T19:09:45Z", "ms": 1520276985167.4338 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-03-04", "window": { "start": { "local": "2018-03-04T20:56:09+04:00", "utc": "2018-03-04T16:56:09Z", "ms": 1520182569049.8354 }, "end": { "local": "2018-03-04T20:56:09+04:00", "utc": "2018-03-04T16:56:09Z", "ms": 1520182569049.8354 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-03-05", "window": { "start": { "local": "2018-03-05T21:52:30+04:00", "utc": "2018-03-05T17:52:30Z", "ms": 1520272349977.6023 }, "end": { "local": "2018-03-05T21:52:30+04:00", "utc": "2018-03-05T17:52:30Z", "ms": 1520272349977.6023 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:38 on Sun 4 Mar to 23:10 on Mon 5 Mar.", "fact": "2018-03-04T19:37:56Z → 2018-03-05T19:09:45Z" }, { "step": "kaala", "text": "Moonrise is at 20:56 on the 4th and 21:52 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4635 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Monday 5 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": "2018-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-05", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Monday 5 March. Caturthī runs from 23:38 on Sun 4 Mar to 23:10 on Mon 5 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27474, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-03-09T02:15:01+04:00", "utc": "2018-03-08T22:15:01Z", "ms": 1520547301334.054 }, "end": { "local": "2018-03-10T04:30:59+04:00", "utc": "2018-03-10T00:30:59Z", "ms": 1520641859012.4749 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-09T02:15:01+04:00", "utc": "2018-03-08T22:15:01Z", "ms": 1520547301334.054 }, "end": { "local": "2018-03-10T04:30:59+04:00", "utc": "2018-03-10T00:30:59Z", "ms": 1520641859012.4749 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-09", "window": { "start": { "local": "2018-03-09T12:09:08+04:00", "utc": "2018-03-09T08:09:08Z", "ms": 1520582948212.5605 }, "end": { "local": "2018-03-09T12:57:08+04:00", "utc": "2018-03-09T08:57:08Z", "ms": 1520585828212.5605 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-10", "window": { "start": { "local": "2018-03-10T12:08:53+04:00", "utc": "2018-03-10T08:08:53Z", "ms": 1520669333015.709 }, "end": { "local": "2018-03-10T12:56:53+04:00", "utc": "2018-03-10T08:56:53Z", "ms": 1520672213015.709 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:15 on Fri 9 Mar to 04:31 on Sat 10 Mar.", "fact": "2018-03-08T22:15:01Z → 2018-03-10T00:30:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 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": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27474 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Abu Dhabi, 2018: Friday 9 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-09", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śītalāṣṭamī 2018 falls on Friday 9 March. Aṣṭamī runs from 02:15 on Fri 9 Mar to 04:31 on Sat 10 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-03-13", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11334, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-03-12T09:43:52+04:00", "utc": "2018-03-12T05:43:52Z", "ms": 1520833432205.4226 }, "end": { "local": "2018-03-13T12:11:19+04:00", "utc": "2018-03-13T08:11:19Z", "ms": 1520928678778.7065 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-12T09:43:52+04:00", "utc": "2018-03-12T05:43:52Z", "ms": 1520833432205.4226 }, "end": { "local": "2018-03-13T12:11:19+04:00", "utc": "2018-03-13T08:11:19Z", "ms": 1520928678778.7065 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-12", "window": { "start": { "local": "2018-03-12T06:34:59+04:00", "utc": "2018-03-12T02:34:59Z", "ms": 1520822098570.6516 }, "end": { "local": "2018-03-12T06:34:59+04:00", "utc": "2018-03-12T02:34:59Z", "ms": 1520822098570.6516 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-03-13", "window": { "start": { "local": "2018-03-13T06:34:00+04:00", "utc": "2018-03-13T02:34:00Z", "ms": 1520908439533.1057 }, "end": { "local": "2018-03-13T06:34:00+04:00", "utc": "2018-03-13T02:34:00Z", "ms": 1520908439533.1057 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:44 on Mon 12 Mar to 12:11 on Tue 13 Mar.", "fact": "2018-03-12T05:43:52Z → 2018-03-13T08:11:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 12th and 06:34 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": "priority: paraviddha → only-day · margin 11334 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Abu Dhabi, 2018: Tuesday 13 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Pāpamocanī Ekādaśī 2018 falls on Tuesday 13 March. Ekādaśī runs from 09:44 on Mon 12 Mar to 12:11 on Tue 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-03-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9690, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-14T14:15:56+04:00", "utc": "2018-03-14T10:15:56Z", "ms": 1521022555743.3228 }, "end": { "local": "2018-03-15T15:49:34+04:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-14T14:15:56+04:00", "utc": "2018-03-14T10:15:56Z", "ms": 1521022555743.3228 }, "end": { "local": "2018-03-15T15:49:34+04:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-03-14", "window": { "start": { "local": "2018-03-14T18:30:38+04:00", "utc": "2018-03-14T14:30:38Z", "ms": 1521037838291.4468 }, "end": { "local": "2018-03-14T20:06:49+04:00", "utc": "2018-03-14T16:06:49Z", "ms": 1521043609262.0813 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2018-03-15", "window": { "start": { "local": "2018-03-15T18:31:05+04:00", "utc": "2018-03-15T14:31:05Z", "ms": 1521124264716.2185 }, "end": { "local": "2018-03-15T20:07:04+04:00", "utc": "2018-03-15T16:07:04Z", "ms": 1521130024180.2896 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:16 on Wed 14 Mar to 15:50 on Thu 15 Mar.", "fact": "2018-03-14T10:15:56Z → 2018-03-15T11:49:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:07 on the 14th, 18:31–20:07 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 96 of 96 minutes on the 14th and 0 of 96 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9690 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Wednesday 14 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": "2018-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-14", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Wednesday 14 March. Trayodaśī runs from 14:16 on Wed 14 Mar to 15:50 on Thu 15 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shivaratri?on=2018-03-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26311, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-03-15T15:49:34+04:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "end": { "local": "2018-03-16T16:48:14+04:00", "utc": "2018-03-16T12:48:14Z", "ms": 1521204494383.6106 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-15T15:49:34+04:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "end": { "local": "2018-03-16T16:48:14+04:00", "utc": "2018-03-16T12:48:14Z", "ms": 1521204494383.6106 } }, "kaala": "nishita", "days": [ { "local_date": "2018-03-15", "window": { "start": { "local": "2018-03-16T00:07:03+04:00", "utc": "2018-03-15T20:07:03Z", "ms": 1521144422706.485 }, "end": { "local": "2018-03-16T00:55:03+04:00", "utc": "2018-03-15T20:55:03Z", "ms": 1521147302706.485 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-16", "window": { "start": { "local": "2018-03-17T00:06:46+04:00", "utc": "2018-03-16T20:06:46Z", "ms": 1521230805767.7563 }, "end": { "local": "2018-03-17T00:54:46+04:00", "utc": "2018-03-16T20:54:46Z", "ms": 1521233685767.7563 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:50 on Thu 15 Mar to 16:48 on Fri 16 Mar.", "fact": "2018-03-15T11:49:34Z → 2018-03-16T12:48:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:07–00:55 on the 15th, 00:07–00:55 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26311 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Thursday 15 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-15", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Thursday 15 March. Caturdaśī runs from 15:50 on Thu 15 Mar to 16:48 on Fri 16 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14833, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-03-17T17:11:34+04:00", "utc": "2018-03-17T13:11:34Z", "ms": 1521292293885.157 }, "end": { "local": "2018-03-18T17:01:54+04:00", "utc": "2018-03-18T13:01:54Z", "ms": 1521378114379.9058 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-17T17:11:34+04:00", "utc": "2018-03-17T13:11:34Z", "ms": 1521292293885.157 }, "end": { "local": "2018-03-18T17:01:54+04:00", "utc": "2018-03-18T13:01:54Z", "ms": 1521378114379.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-17", "window": { "start": { "local": "2018-03-17T12:06:59+04:00", "utc": "2018-03-17T08:06:59Z", "ms": 1521274018787.1958 }, "end": { "local": "2018-03-17T12:54:59+04:00", "utc": "2018-03-17T08:54:59Z", "ms": 1521276898787.1958 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-18", "window": { "start": { "local": "2018-03-18T12:06:42+04:00", "utc": "2018-03-18T08:06:42Z", "ms": 1521360401562.4702 }, "end": { "local": "2018-03-18T12:54:42+04:00", "utc": "2018-03-18T08:54:42Z", "ms": 1521363281562.4702 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:12 on Sat 17 Mar to 17:02 on Sun 18 Mar.", "fact": "2018-03-17T13:11:34Z → 2018-03-18T13:01:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 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": "Pratipadā 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": "priority: paraviddha → only-day · margin 14833 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Abu Dhabi, 2018: Sunday 18 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-18", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Navarātrārambha (Caitra) (Chaitra Navratri) 2018 falls on Sunday 18 March. Pratipadā runs from 17:12 on Sat 17 Mar to 17:02 on Sun 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8789, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-03-19T16:23:19+04:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T15:20:36+04:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-19T16:23:19+04:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T15:20:36+04:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-19", "window": { "start": { "local": "2018-03-19T12:06:24+04:00", "utc": "2018-03-19T08:06:24Z", "ms": 1521446784162.3337 }, "end": { "local": "2018-03-19T12:54:24+04:00", "utc": "2018-03-19T08:54:24Z", "ms": 1521449664162.3337 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T12:06:07+04:00", "utc": "2018-03-20T08:06:07Z", "ms": 1521533166603.353 }, "end": { "local": "2018-03-20T12:54:07+04:00", "utc": "2018-03-20T08:54:07Z", "ms": 1521536046603.353 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:23 on Mon 19 Mar to 15:21 on Tue 20 Mar.", "fact": "2018-03-19T12:23:19Z → 2018-03-20T11:20:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 19th, 12:06–12:54 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8789 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Abu Dhabi, 2018: Tuesday 20 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-20", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Gaurī Tṛtīyā (Gangaur) 2018 falls on Tuesday 20 March. Tṛtīyā runs from 16:23 on Mon 19 Mar to 15:21 on Tue 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8789, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-03-19T16:23:19+04:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T15:20:36+04:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-19T16:23:19+04:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T15:20:36+04:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-19", "window": { "start": { "local": "2018-03-19T12:06:24+04:00", "utc": "2018-03-19T08:06:24Z", "ms": 1521446784162.3337 }, "end": { "local": "2018-03-19T12:54:24+04:00", "utc": "2018-03-19T08:54:24Z", "ms": 1521449664162.3337 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T12:06:07+04:00", "utc": "2018-03-20T08:06:07Z", "ms": 1521533166603.353 }, "end": { "local": "2018-03-20T12:54:07+04:00", "utc": "2018-03-20T08:54:07Z", "ms": 1521536046603.353 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:23 on Mon 19 Mar to 15:21 on Tue 20 Mar.", "fact": "2018-03-19T12:23:19Z → 2018-03-20T11:20:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 19th, 12:06–12:54 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8789 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Abu Dhabi, 2018: Tuesday 20 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-20", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saubhāgya Śayana Vrata 2018 falls on Tuesday 20 March. Tṛtīyā runs from 16:23 on Mon 19 Mar to 15:21 on Tue 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-03-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3886, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-03-20T15:20:36+04:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "end": { "local": "2018-03-21T13:58:35+04:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-20T15:20:36+04:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "end": { "local": "2018-03-21T13:58:35+04:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T12:06:07+04:00", "utc": "2018-03-20T08:06:07Z", "ms": 1521533166603.353 }, "end": { "local": "2018-03-20T12:54:07+04:00", "utc": "2018-03-20T08:54:07Z", "ms": 1521536046603.353 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-21", "window": { "start": { "local": "2018-03-21T12:05:49+04:00", "utc": "2018-03-21T08:05:49Z", "ms": 1521619548902.2378 }, "end": { "local": "2018-03-21T12:53:49+04:00", "utc": "2018-03-21T08:53:49Z", "ms": 1521622428902.2378 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:21 on Tue 20 Mar to 13:59 on Wed 21 Mar.", "fact": "2018-03-20T11:20:36Z → 2018-03-21T09:58:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 20th, 12:06–12:54 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3886 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Wednesday 21 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-21", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Wednesday 21 March. Caturthī runs from 15:21 on Tue 20 Mar to 13:59 on Wed 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 965, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-03-21T13:58:35+04:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "end": { "local": "2018-03-22T12:21:36+04:00", "utc": "2018-03-22T08:21:36Z", "ms": 1521706896378.8286 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-21T13:58:35+04:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "end": { "local": "2018-03-22T12:21:36+04:00", "utc": "2018-03-22T08:21:36Z", "ms": 1521706896378.8286 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-21", "window": { "start": { "local": "2018-03-21T12:05:49+04:00", "utc": "2018-03-21T08:05:49Z", "ms": 1521619548902.2378 }, "end": { "local": "2018-03-21T12:53:49+04:00", "utc": "2018-03-21T08:53:49Z", "ms": 1521622428902.2378 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-22", "window": { "start": { "local": "2018-03-22T12:05:31+04:00", "utc": "2018-03-22T08:05:31Z", "ms": 1521705931076.058 }, "end": { "local": "2018-03-22T12:53:31+04:00", "utc": "2018-03-22T08:53:31Z", "ms": 1521708811076.058 } }, "covered_min": 16, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:59 on Wed 21 Mar to 12:22 on Thu 22 Mar.", "fact": "2018-03-21T09:58:35Z → 2018-03-22T08:21:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 21st, 12:06–12:54 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 16 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 965 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Abu Dhabi, 2018: Thursday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Lakṣmī Pañcamī 2018 falls on Thursday 22 March. Pañcamī runs from 13:59 on Wed 21 Mar to 12:22 on Thu 22 Mar and covers 16 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12521, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-03-24T08:36:14+04:00", "utc": "2018-03-24T04:36:14Z", "ms": 1521866174113.8967 }, "end": { "local": "2018-03-25T06:32:42+04:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-24T08:36:14+04:00", "utc": "2018-03-24T04:36:14Z", "ms": 1521866174113.8967 }, "end": { "local": "2018-03-25T06:32:42+04:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-24", "window": { "start": { "local": "2018-03-24T12:04:55+04:00", "utc": "2018-03-24T08:04:55Z", "ms": 1521878695119.8735 }, "end": { "local": "2018-03-24T12:52:55+04:00", "utc": "2018-03-24T08:52:55Z", "ms": 1521881575119.8735 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-25", "window": { "start": { "local": "2018-03-25T12:04:37+04:00", "utc": "2018-03-25T08:04:37Z", "ms": 1521965077027.6326 }, "end": { "local": "2018-03-25T12:52:37+04:00", "utc": "2018-03-25T08:52:37Z", "ms": 1521967957027.6326 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:36 on Sat 24 Mar to 06:33 on Sun 25 Mar.", "fact": "2018-03-24T04:36:14Z → 2018-03-25T02:32:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 24th, 12:05–12:53 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12521 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Abu Dhabi, 2018: Saturday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-24", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Bhavānī Utpatti 2018 falls on Saturday 24 March. Aṣṭamī runs from 08:36 on Sat 24 Mar to 06:33 on Sun 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19915, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-03-25T06:32:42+04:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "end": { "local": "2018-03-26T04:24:26+04:00", "utc": "2018-03-26T00:24:26Z", "ms": 1522023865953.7659 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-25T06:32:42+04:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "end": { "local": "2018-03-26T04:24:26+04:00", "utc": "2018-03-26T00:24:26Z", "ms": 1522023865953.7659 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-25", "window": { "start": { "local": "2018-03-25T12:04:37+04:00", "utc": "2018-03-25T08:04:37Z", "ms": 1521965077027.6326 }, "end": { "local": "2018-03-25T12:52:37+04:00", "utc": "2018-03-25T08:52:37Z", "ms": 1521967957027.6326 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-26", "window": { "start": { "local": "2018-03-26T12:04:19+04:00", "utc": "2018-03-26T08:04:19Z", "ms": 1522051458886.109 }, "end": { "local": "2018-03-26T12:52:19+04:00", "utc": "2018-03-26T08:52:19Z", "ms": 1522054338886.109 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 06:33 on Sun 25 Mar to 04:24 on Mon 26 Mar.", "fact": "2018-03-25T02:32:42Z → 2018-03-26T00:24:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 25th, 12:04–12:52 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19915 s" }, { "step": "ruling", "text": "Rāma Navamī, Abu Dhabi, 2018: Sunday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-25", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Rāma Navamī 2018 falls on Sunday 25 March. Navamī runs from 06:33 on Sun 25 Mar to 04:24 on Mon 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-03-27", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14791, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-03-27T02:13:22+04:00", "utc": "2018-03-26T22:13:22Z", "ms": 1522102401600.8262 }, "end": { "local": "2018-03-28T00:01:58+04:00", "utc": "2018-03-27T20:01:58Z", "ms": 1522180917921.2026 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-27T02:13:22+04:00", "utc": "2018-03-26T22:13:22Z", "ms": 1522102401600.8262 }, "end": { "local": "2018-03-28T00:01:58+04:00", "utc": "2018-03-27T20:01:58Z", "ms": 1522180917921.2026 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-27", "window": { "start": { "local": "2018-03-27T06:19:52+04:00", "utc": "2018-03-27T02:19:52Z", "ms": 1522117192181.507 }, "end": { "local": "2018-03-27T06:19:52+04:00", "utc": "2018-03-27T02:19:52Z", "ms": 1522117192181.507 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T06:18:51+04:00", "utc": "2018-03-28T02:18:51Z", "ms": 1522203531158.9385 }, "end": { "local": "2018-03-28T06:18:51+04:00", "utc": "2018-03-28T02:18:51Z", "ms": 1522203531158.9385 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:13 on Tue 27 Mar to 00:02 on Wed 28 Mar.", "fact": "2018-03-26T22:13:22Z → 2018-03-27T20:01:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 27th and 06:19 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14791 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Abu Dhabi, 2018: Tuesday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kāmadā Ekādaśī 2018 falls on Tuesday 27 March. Ekādaśī runs from 02:13 on Tue 27 Mar to 00:02 on Wed 28 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25286, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-28T21:53:38+04:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T19:52:50+04:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-28T21:53:38+04:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T19:52:50+04:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T12:03:43+04:00", "utc": "2018-03-28T08:03:43Z", "ms": 1522224222541.857 }, "end": { "local": "2018-03-28T12:51:43+04:00", "utc": "2018-03-28T08:51:43Z", "ms": 1522227102541.857 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T12:03:24+04:00", "utc": "2018-03-29T08:03:24Z", "ms": 1522310604384.7212 }, "end": { "local": "2018-03-29T12:51:24+04:00", "utc": "2018-03-29T08:51:24Z", "ms": 1522313484384.7212 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:54 on Wed 28 Mar to 19:53 on Thu 29 Mar.", "fact": "2018-03-28T17:53:38Z → 2018-03-29T15:52:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 28th, 12:03–12:51 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25286 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Abu Dhabi, 2018: Thursday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-29", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Anaṅga Trayodaśī 2018 falls on Thursday 29 March. Trayodaśī runs from 21:54 on Wed 28 Mar to 19:53 on Thu 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-03-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1047, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-28T21:53:38+04:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T19:52:50+04:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-28T21:53:38+04:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T19:52:50+04:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T18:36:34+04:00", "utc": "2018-03-28T14:36:34Z", "ms": 1522247793924.7751 }, "end": { "local": "2018-03-28T20:10:04+04:00", "utc": "2018-03-28T16:10:04Z", "ms": 1522253404096.6199 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T18:36:59+04:00", "utc": "2018-03-29T14:36:59Z", "ms": 1522334218555.8318 }, "end": { "local": "2018-03-29T20:10:17+04:00", "utc": "2018-03-29T16:10:17Z", "ms": 1522339817331.7356 } }, "covered_min": 76, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:54 on Wed 28 Mar to 19:53 on Thu 29 Mar.", "fact": "2018-03-28T17:53:38Z → 2018-03-29T15:52:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:10 on the 28th, 18:37–20:10 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 94 minutes on the 28th and 76 of 93 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1047 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Thursday 29 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": "2018-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-29", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Thursday 29 March. Trayodaśī runs from 21:54 on Wed 28 Mar to 19:53 on Thu 29 Mar and covers 76 of 93 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18840, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-03-29T19:52:50+04:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "end": { "local": "2018-03-30T18:05:07+04:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-29T19:52:50+04:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "end": { "local": "2018-03-30T18:05:07+04:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T12:03:24+04:00", "utc": "2018-03-29T08:03:24Z", "ms": 1522310604384.7212 }, "end": { "local": "2018-03-29T12:51:24+04:00", "utc": "2018-03-29T08:51:24Z", "ms": 1522313484384.7212 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-30", "window": { "start": { "local": "2018-03-30T12:03:06+04:00", "utc": "2018-03-30T08:03:06Z", "ms": 1522396986269.0332 }, "end": { "local": "2018-03-30T12:51:06+04:00", "utc": "2018-03-30T08:51:06Z", "ms": 1522399866269.0332 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:53 on Thu 29 Mar to 18:05 on Fri 30 Mar.", "fact": "2018-03-29T15:52:50Z → 2018-03-30T14:05:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 29th, 12:03–12:51 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18840 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Abu Dhabi, 2018: Friday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-30", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Viṣṇudamanaka Caturdaśī 2018 falls on Friday 30 March. Caturdaśī runs from 19:53 on Thu 29 Mar to 18:05 on Fri 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13562, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-30T18:05:07+04:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "end": { "local": "2018-03-31T16:36:51+04:00", "utc": "2018-03-31T12:36:51Z", "ms": 1522499810602.4788 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2018-03-30T18:05:07+04:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "end": { "local": "2018-03-31T16:36:51+04:00", "utc": "2018-03-31T12:36:51Z", "ms": 1522499810602.4788 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-30", "window": { "start": { "local": "2018-03-30T12:03:06+04:00", "utc": "2018-03-30T08:03:06Z", "ms": 1522396986269.0332 }, "end": { "local": "2018-03-30T12:51:06+04:00", "utc": "2018-03-30T08:51:06Z", "ms": 1522399866269.0332 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-31", "window": { "start": { "local": "2018-03-31T12:02:48+04:00", "utc": "2018-03-31T08:02:48Z", "ms": 1522483368218.6946 }, "end": { "local": "2018-03-31T12:50:48+04:00", "utc": "2018-03-31T08:50:48Z", "ms": 1522486248218.6946 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:05 on Fri 30 Mar to 16:37 on Sat 31 Mar.", "fact": "2018-03-30T14:05:07Z → 2018-03-31T12:36:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 30th, 12:03–12:51 on the 31st.", "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 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13562 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Abu Dhabi, 2018: Saturday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-31", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Caitrī Pūrṇimā 2018 falls on Saturday 31 March. Pūrṇimā runs from 18:05 on Fri 30 Mar to 16:37 on Sat 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-04-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22519, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-04-03T15:13:50+04:00", "utc": "2018-04-03T11:13:50Z", "ms": 1522754029994.8984 }, "end": { "local": "2018-04-04T16:02:47+04:00", "utc": "2018-04-04T12:02:47Z", "ms": 1522843367219.3318 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-03T15:13:50+04:00", "utc": "2018-04-03T11:13:50Z", "ms": 1522754029994.8984 }, "end": { "local": "2018-04-04T16:02:47+04:00", "utc": "2018-04-04T12:02:47Z", "ms": 1522843367219.3318 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-04-03", "window": { "start": { "local": "2018-04-03T21:29:09+04:00", "utc": "2018-04-03T17:29:09Z", "ms": 1522776549283.1904 }, "end": { "local": "2018-04-03T21:29:09+04:00", "utc": "2018-04-03T17:29:09Z", "ms": 1522776549283.1904 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-04-04", "window": { "start": { "local": "2018-04-04T22:23:09+04:00", "utc": "2018-04-04T18:23:09Z", "ms": 1522866189376.7595 }, "end": { "local": "2018-04-04T22:23:09+04:00", "utc": "2018-04-04T18:23:09Z", "ms": 1522866189376.7595 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:14 on Tue 3 Apr to 16:03 on Wed 4 Apr.", "fact": "2018-04-03T11:13:50Z → 2018-04-04T12:02:47Z" }, { "step": "kaala", "text": "Moonrise is at 21:29 on the 3rd and 22:23 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22519 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Tuesday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-03", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 3 April. Caturthī runs from 15:14 on Tue 3 Apr to 16:03 on Wed 4 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-04-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-04-12", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2349, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-04-11T05:10:40+04:00", "utc": "2018-04-11T01:10:40Z", "ms": 1523409040078.2864 }, "end": { "local": "2018-04-12T06:43:11+04:00", "utc": "2018-04-12T02:43:11Z", "ms": 1523500990643.2297 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-11T05:10:40+04:00", "utc": "2018-04-11T01:10:40Z", "ms": 1523409040078.2864 }, "end": { "local": "2018-04-12T06:43:11+04:00", "utc": "2018-04-12T02:43:11Z", "ms": 1523500990643.2297 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-04-11", "window": { "start": { "local": "2018-04-11T06:04:58+04:00", "utc": "2018-04-11T02:04:58Z", "ms": 1523412298115.8074 }, "end": { "local": "2018-04-11T06:04:58+04:00", "utc": "2018-04-11T02:04:58Z", "ms": 1523412298115.8074 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-04-12", "window": { "start": { "local": "2018-04-12T06:04:01+04:00", "utc": "2018-04-12T02:04:01Z", "ms": 1523498641228.7837 }, "end": { "local": "2018-04-12T06:04:01+04:00", "utc": "2018-04-12T02:04:01Z", "ms": 1523498641228.7837 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:11 on Wed 11 Apr to 06:43 on Thu 12 Apr.", "fact": "2018-04-11T01:10:40Z → 2018-04-12T02:43:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 11th and 06:04 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 on the 12th.", "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 2349 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Abu Dhabi, 2018: Thursday 12 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-12", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Varūthinī Ekādaśī 2018 falls on Thursday 12 April. Ekādaśī runs from 05:11 on Wed 11 Apr to 06:43 on Thu 12 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-04-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-04-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39707, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-04-13T07:34:21+04:00", "utc": "2018-04-13T03:34:21Z", "ms": 1523590460980.756 }, "end": { "local": "2018-04-14T07:41:53+04:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-13T07:34:21+04:00", "utc": "2018-04-13T03:34:21Z", "ms": 1523590460980.756 }, "end": { "local": "2018-04-14T07:41:53+04:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T18:43:14+04:00", "utc": "2018-04-13T14:43:14Z", "ms": 1523630593862.3076 }, "end": { "local": "2018-04-13T20:13:45+04:00", "utc": "2018-04-13T16:13:45Z", "ms": 1523636025204.3206 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2018-04-14", "window": { "start": { "local": "2018-04-14T18:43:40+04:00", "utc": "2018-04-14T14:43:40Z", "ms": 1523717019809.9043 }, "end": { "local": "2018-04-14T20:14:00+04:00", "utc": "2018-04-14T16:14:00Z", "ms": 1523722440309.6128 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:34 on Fri 13 Apr to 07:42 on Sat 14 Apr.", "fact": "2018-04-13T03:34:21Z → 2018-04-14T03:41:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:14 on the 13th, 18:44–20:14 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 13th and 0 of 90 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39707 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Friday 13 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": "2018-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 13 April. Trayodaśī runs from 07:34 on Fri 13 Apr to 07:42 on Sat 14 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2446, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2018-04-14T06:42:55+04:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 }, "end": { "local": "2018-05-15T03:33:16+04:00", "utc": "2018-05-14T23:33:16Z", "ms": 1526340795624.5295 } }, "span": { "of": "transit", "start": { "local": "2018-04-14T06:42:55+04:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 }, "end": { "local": "2018-04-14T06:42:55+04:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 } }, "kaala": "day", "days": [ { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T06:03:05+04:00", "utc": "2018-04-13T02:03:05Z", "ms": 1523584984825.079 }, "end": { "local": "2018-04-14T06:02:09+04:00", "utc": "2018-04-14T02:02:09Z", "ms": 1523671328927.405 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "2018-04-14", "window": { "start": { "local": "2018-04-14T06:02:09+04:00", "utc": "2018-04-14T02:02:09Z", "ms": 1523671328927.405 }, "end": { "local": "2018-04-15T06:01:14+04:00", "utc": "2018-04-15T02:01:14Z", "ms": 1523757673557.718 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 06:43 on Sat 14 Apr.", "fact": "2018-04-14T02:42:55Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:03 on the 13th, and from 06:02 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 2446 s" }, { "step": "ruling", "text": "Vaiśākhī, Abu Dhabi, 2018: Saturday 14 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2018-04-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2018-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Abu Dhabi, Vaiśākhī 2018 falls on Saturday 14 April. The Sun enters Meṣa at 06:43 on Sat 14 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/shivaratri?on=2018-04-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22879, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-04-14T07:41:53+04:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "end": { "local": "2018-04-15T07:07:46+04:00", "utc": "2018-04-15T03:07:46Z", "ms": 1523761665861.241 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-14T07:41:53+04:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "end": { "local": "2018-04-15T07:07:46+04:00", "utc": "2018-04-15T03:07:46Z", "ms": 1523761665861.241 } }, "kaala": "nishita", "days": [ { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T23:58:41+04:00", "utc": "2018-04-13T19:58:41Z", "ms": 1523649521394.8564 }, "end": { "local": "2018-04-14T00:46:41+04:00", "utc": "2018-04-13T20:46:41Z", "ms": 1523652401394.8564 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-14", "window": { "start": { "local": "2018-04-14T23:58:27+04:00", "utc": "2018-04-14T19:58:27Z", "ms": 1523735906683.811 }, "end": { "local": "2018-04-15T00:46:27+04:00", "utc": "2018-04-14T20:46:27Z", "ms": 1523738786683.811 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:42 on Sat 14 Apr to 07:08 on Sun 15 Apr.", "fact": "2018-04-14T03:41:53Z → 2018-04-15T03:07:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:59–00:47 on the 13th, 23:58–00:46 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22879 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Saturday 14 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-14", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Saturday 14 April. Caturdaśī runs from 07:42 on Sat 14 Apr to 07:08 on Sun 15 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-04-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13391, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-04-18T02:15:20+04:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T23:59:58+04:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-18T02:15:20+04:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T23:59:58+04:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T05:58:31+04:00", "utc": "2018-04-18T01:58:31Z", "ms": 1524016710825.6536 }, "end": { "local": "2018-04-18T10:14:09+04:00", "utc": "2018-04-18T06:14:09Z", "ms": 1524032048943.0742 } }, "covered_min": 256, "window_min": 256, "qualifies": true }, { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T05:57:38+04:00", "utc": "2018-04-19T01:57:38Z", "ms": 1524103057774.7083 }, "end": { "local": "2018-04-19T10:13:42+04:00", "utc": "2018-04-19T06:13:42Z", "ms": 1524118422488.7937 } }, "covered_min": 0, "window_min": 256, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:15 on Wed 18 Apr to 00:00 on Wed 18 Apr.", "fact": "2018-04-17T22:15:20Z → 2018-04-18T19:59:58Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:59–10:14 on the 18th, 05:58–10:14 on the 19th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 256 of 256 minutes on the 18th and 0 of 256 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13391 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Abu Dhabi, 2018: Wednesday 18 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-18", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Akṣaya Tṛtīyā 2018 falls on Wednesday 18 April. Tṛtīyā runs from 02:15 on Wed 18 Apr to 00:00 on Wed 18 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13495, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-04-18T02:15:20+04:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T23:59:58+04:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-18T02:15:20+04:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T23:59:58+04:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-17", "window": { "start": { "local": "2018-04-17T18:44:59+04:00", "utc": "2018-04-17T14:44:59Z", "ms": 1523976298597.393 }, "end": { "local": "2018-04-17T20:14:47+04:00", "utc": "2018-04-17T16:14:47Z", "ms": 1523981686894.4944 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T18:45:25+04:00", "utc": "2018-04-18T14:45:25Z", "ms": 1524062725177.9153 }, "end": { "local": "2018-04-18T20:15:03+04:00", "utc": "2018-04-18T16:15:03Z", "ms": 1524068102857.4878 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:15 on Wed 18 Apr to 00:00 on Wed 18 Apr.", "fact": "2018-04-17T22:15:20Z → 2018-04-18T19:59:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:15 on the 17th, 18:45–20:15 on the 18th.", "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 90 minutes on the 17th and 90 of 90 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13495 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Abu Dhabi, 2018: Wednesday 18 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-18", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Paraśurāma Jayantī 2018 falls on Wednesday 18 April. Tṛtīyā runs from 02:15 on Wed 18 Apr to 00:00 on Wed 18 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-04-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31942, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-04-18T23:59:58+04:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "end": { "local": "2018-04-19T21:38:07+04:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-18T23:59:58+04:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "end": { "local": "2018-04-19T21:38:07+04:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T11:57:58+04:00", "utc": "2018-04-18T07:57:58Z", "ms": 1524038278001.7844 }, "end": { "local": "2018-04-18T12:45:58+04:00", "utc": "2018-04-18T08:45:58Z", "ms": 1524041158001.7844 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T11:57:45+04:00", "utc": "2018-04-19T07:57:45Z", "ms": 1524124664845.8364 }, "end": { "local": "2018-04-19T12:45:45+04:00", "utc": "2018-04-19T08:45:45Z", "ms": 1524127544845.8364 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:00 on Wed 18 Apr to 21:38 on Thu 19 Apr.", "fact": "2018-04-18T19:59:58Z → 2018-04-19T17:38:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 18th, 11:58–12:46 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31942 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Thursday 19 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-19", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Thursday 19 April. Caturthī runs from 00:00 on Wed 18 Apr to 21:38 on Thu 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-04-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23420, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-04-19T21:38:07+04:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "end": { "local": "2018-04-20T19:15:52+04:00", "utc": "2018-04-20T15:15:52Z", "ms": 1524237351761.3696 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-19T21:38:07+04:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "end": { "local": "2018-04-20T19:15:52+04:00", "utc": "2018-04-20T15:15:52Z", "ms": 1524237351761.3696 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T11:57:45+04:00", "utc": "2018-04-19T07:57:45Z", "ms": 1524124664845.8364 }, "end": { "local": "2018-04-19T12:45:45+04:00", "utc": "2018-04-19T08:45:45Z", "ms": 1524127544845.8364 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-20", "window": { "start": { "local": "2018-04-20T11:57:32+04:00", "utc": "2018-04-20T07:57:32Z", "ms": 1524211052083.784 }, "end": { "local": "2018-04-20T12:45:32+04:00", "utc": "2018-04-20T08:45:32Z", "ms": 1524213932083.784 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:38 on Thu 19 Apr to 19:16 on Fri 20 Apr.", "fact": "2018-04-19T17:38:07Z → 2018-04-20T15:15:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 19th, 11:58–12:46 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23420 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Abu Dhabi, 2018: Friday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-20", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śaṅkara Jayantī 2018 falls on Friday 20 April. Pañcamī runs from 21:38 on Thu 19 Apr to 19:16 on Fri 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7334, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-04-21T16:57:52+04:00", "utc": "2018-04-21T12:57:52Z", "ms": 1524315472092.0146 }, "end": { "local": "2018-04-22T14:47:22+04:00", "utc": "2018-04-22T10:47:22Z", "ms": 1524394042025.2275 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-21T16:57:52+04:00", "utc": "2018-04-21T12:57:52Z", "ms": 1524315472092.0146 }, "end": { "local": "2018-04-22T14:47:22+04:00", "utc": "2018-04-22T10:47:22Z", "ms": 1524394042025.2275 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-21", "window": { "start": { "local": "2018-04-21T11:57:20+04:00", "utc": "2018-04-21T07:57:20Z", "ms": 1524297439725.6357 }, "end": { "local": "2018-04-21T12:45:20+04:00", "utc": "2018-04-21T08:45:20Z", "ms": 1524300319725.6357 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-22", "window": { "start": { "local": "2018-04-22T11:57:08+04:00", "utc": "2018-04-22T07:57:08Z", "ms": 1524383827781.984 }, "end": { "local": "2018-04-22T12:45:08+04:00", "utc": "2018-04-22T08:45:08Z", "ms": 1524386707781.984 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:58 on Sat 21 Apr to 14:47 on Sun 22 Apr.", "fact": "2018-04-21T12:57:52Z → 2018-04-22T10:47:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 21st, 11:57–12:45 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7334 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Abu Dhabi, 2018: Sunday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Gaṅgotpatti (Ganga Saptami) 2018 falls on Sunday 22 April. Saptamī runs from 16:58 on Sat 21 Apr to 14:47 on Sun 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-04-26", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7101, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-04-25T09:16:46+04:00", "utc": "2018-04-25T05:16:46Z", "ms": 1524633405949.3176 }, "end": { "local": "2018-04-26T07:50:07+04:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-25T09:16:46+04:00", "utc": "2018-04-25T05:16:46Z", "ms": 1524633405949.3176 }, "end": { "local": "2018-04-26T07:50:07+04:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-04-25", "window": { "start": { "local": "2018-04-25T05:52:33+04:00", "utc": "2018-04-25T01:52:33Z", "ms": 1524621153454.3276 }, "end": { "local": "2018-04-25T05:52:33+04:00", "utc": "2018-04-25T01:52:33Z", "ms": 1524621153454.3276 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T05:51:45+04:00", "utc": "2018-04-26T01:51:45Z", "ms": 1524707505275.8179 }, "end": { "local": "2018-04-26T05:51:45+04:00", "utc": "2018-04-26T01:51:45Z", "ms": 1524707505275.8179 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:17 on Wed 25 Apr to 07:50 on Thu 26 Apr.", "fact": "2018-04-25T05:16:46Z → 2018-04-26T03:50:07Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 on the 25th and 05:52 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7101 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Abu Dhabi, 2018: Thursday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-26", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Mohinī Ekādaśī 2018 falls on Thursday 26 April. Ekādaśī runs from 09:17 on Wed 25 Apr to 07:50 on Thu 26 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14778, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-04-26T07:50:07+04:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T06:37:42+04:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-26T07:50:07+04:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T06:37:42+04:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T11:56:24+04:00", "utc": "2018-04-26T07:56:24Z", "ms": 1524729384388.9565 }, "end": { "local": "2018-04-26T12:44:24+04:00", "utc": "2018-04-26T08:44:24Z", "ms": 1524732264388.9565 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T11:56:15+04:00", "utc": "2018-04-27T07:56:15Z", "ms": 1524815774700.2632 }, "end": { "local": "2018-04-27T12:44:15+04:00", "utc": "2018-04-27T08:44:15Z", "ms": 1524818654700.2632 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:50 on Thu 26 Apr to 06:38 on Fri 27 Apr.", "fact": "2018-04-26T03:50:07Z → 2018-04-27T02:37:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 26th, 11:56–12:44 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14778 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Abu Dhabi, 2018: Thursday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-26", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Paraśurāma Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 07:50 on Thu 26 Apr to 06:38 on Fri 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14778, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-04-26T07:50:07+04:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T06:37:42+04:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-26T07:50:07+04:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T06:37:42+04:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T11:56:24+04:00", "utc": "2018-04-26T07:56:24Z", "ms": 1524729384388.9565 }, "end": { "local": "2018-04-26T12:44:24+04:00", "utc": "2018-04-26T08:44:24Z", "ms": 1524732264388.9565 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T11:56:15+04:00", "utc": "2018-04-27T07:56:15Z", "ms": 1524815774700.2632 }, "end": { "local": "2018-04-27T12:44:15+04:00", "utc": "2018-04-27T08:44:15Z", "ms": 1524818654700.2632 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:50 on Thu 26 Apr to 06:38 on Fri 27 Apr.", "fact": "2018-04-26T03:50:07Z → 2018-04-27T02:37:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 26th, 11:56–12:44 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14778 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Abu Dhabi, 2018: Thursday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-26", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Rukmiṇī Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 07:50 on Thu 26 Apr to 06:38 on Fri 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-04-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33883, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-04-27T06:37:42+04:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "end": { "local": "2018-04-28T05:42:20+04:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-27T06:37:42+04:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "end": { "local": "2018-04-28T05:42:20+04:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T18:49:04+04:00", "utc": "2018-04-26T14:49:04Z", "ms": 1524754143502.0952 }, "end": { "local": "2018-04-26T20:17:19+04:00", "utc": "2018-04-26T16:17:19Z", "ms": 1524759438753.4204 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T18:49:32+04:00", "utc": "2018-04-27T14:49:32Z", "ms": 1524840571513.4932 }, "end": { "local": "2018-04-27T20:17:37+04:00", "utc": "2018-04-27T16:17:37Z", "ms": 1524845856820.0054 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:38 on Fri 27 Apr to 05:42 on Sat 28 Apr.", "fact": "2018-04-27T02:37:42Z → 2018-04-28T01:42:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:17 on the 26th, 18:50–20:18 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 26th and 88 of 88 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33883 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Friday 27 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": "2018-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Friday 27 April. Trayodaśī runs from 06:38 on Fri 27 Apr to 05:42 on Sat 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31788, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-04-28T05:42:20+04:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "end": { "local": "2018-04-29T05:07:43+04:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-28T05:42:20+04:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "end": { "local": "2018-04-29T05:07:43+04:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T18:49:32+04:00", "utc": "2018-04-27T14:49:32Z", "ms": 1524840571513.4932 }, "end": { "local": "2018-04-27T20:17:37+04:00", "utc": "2018-04-27T16:17:37Z", "ms": 1524845856820.0054 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2018-04-28", "window": { "start": { "local": "2018-04-28T18:50:00+04:00", "utc": "2018-04-28T14:50:00Z", "ms": 1524926999691.5918 }, "end": { "local": "2018-04-28T20:17:55+04:00", "utc": "2018-04-28T16:17:55Z", "ms": 1524932275142.8362 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:42 on Sat 28 Apr to 05:08 on Sun 29 Apr.", "fact": "2018-04-28T01:42:20Z → 2018-04-29T01:07:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:18 on the 27th, 18:50–20:18 on the 28th.", "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 88 minutes on the 27th and 88 of 88 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31788 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Abu Dhabi, 2018: Saturday 28 April.", "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": "2018-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-28", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2018 falls on Saturday 28 April. Caturdaśī runs from 05:42 on Sat 28 Apr to 05:08 on Sun 29 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24493, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-04-29T05:07:43+04:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T04:58:11+04:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-29T05:07:43+04:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T04:58:11+04:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-29", "window": { "start": { "local": "2018-04-29T11:55:57+04:00", "utc": "2018-04-29T07:55:57Z", "ms": 1524988556807.0703 }, "end": { "local": "2018-04-29T12:43:57+04:00", "utc": "2018-04-29T08:43:57Z", "ms": 1524991436807.0703 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-30", "window": { "start": { "local": "2018-04-30T11:55:49+04:00", "utc": "2018-04-30T07:55:49Z", "ms": 1525074948628.0278 }, "end": { "local": "2018-04-30T12:43:49+04:00", "utc": "2018-04-30T08:43:49Z", "ms": 1525077828628.0278 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:08 on Sun 29 Apr to 04:58 on Mon 30 Apr.", "fact": "2018-04-29T01:07:43Z → 2018-04-30T00:58:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 29th, 11:56–12:44 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24493 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Abu Dhabi, 2018: Sunday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-29", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Buddha Pūrṇimā 2018 falls on Sunday 29 April. Pūrṇimā runs from 05:08 on Sun 29 Apr to 04:58 on Mon 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24493, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-04-29T05:07:43+04:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T04:58:11+04:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2018-04-29T05:07:43+04:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T04:58:11+04:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-29", "window": { "start": { "local": "2018-04-29T11:55:57+04:00", "utc": "2018-04-29T07:55:57Z", "ms": 1524988556807.0703 }, "end": { "local": "2018-04-29T12:43:57+04:00", "utc": "2018-04-29T08:43:57Z", "ms": 1524991436807.0703 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-30", "window": { "start": { "local": "2018-04-30T11:55:49+04:00", "utc": "2018-04-30T07:55:49Z", "ms": 1525074948628.0278 }, "end": { "local": "2018-04-30T12:43:49+04:00", "utc": "2018-04-30T08:43:49Z", "ms": 1525077828628.0278 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:08 on Sun 29 Apr to 04:58 on Mon 30 Apr.", "fact": "2018-04-29T01:07:43Z → 2018-04-30T00:58:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 29th, 11:56–12:44 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24493 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Abu Dhabi, 2018: Sunday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-29", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Sampat Gaurī Vrata 2018 falls on Sunday 29 April. Pūrṇimā runs from 05:08 on Sun 29 Apr to 04:58 on Mon 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-05-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37748, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-05-03T07:35:28+04:00", "utc": "2018-05-03T03:35:28Z", "ms": 1525318527916.3647 }, "end": { "local": "2018-05-04T09:31:45+04:00", "utc": "2018-05-04T05:31:45Z", "ms": 1525411905219.4832 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-03T07:35:28+04:00", "utc": "2018-05-03T03:35:28Z", "ms": 1525318527916.3647 }, "end": { "local": "2018-05-04T09:31:45+04:00", "utc": "2018-05-04T05:31:45Z", "ms": 1525411905219.4832 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-05-02", "window": { "start": { "local": "2018-05-02T21:06:20+04:00", "utc": "2018-05-02T17:06:20Z", "ms": 1525280780382.0925 }, "end": { "local": "2018-05-02T21:06:20+04:00", "utc": "2018-05-02T17:06:20Z", "ms": 1525280780382.0925 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-05-03", "window": { "start": { "local": "2018-05-03T21:58:31+04:00", "utc": "2018-05-03T17:58:31Z", "ms": 1525370310606.517 }, "end": { "local": "2018-05-03T21:58:31+04:00", "utc": "2018-05-03T17:58:31Z", "ms": 1525370310606.517 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:35 on Thu 3 May to 09:32 on Fri 4 May.", "fact": "2018-05-03T03:35:28Z → 2018-05-04T05:31:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:06 on the 2nd and 21:59 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37748 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Thursday 3 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": "2018-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-03", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Thursday 3 May. Caturthī runs from 07:35 on Thu 3 May to 09:32 on Fri 4 May and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-05-11", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26941, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-05-10T21:58:25+04:00", "utc": "2018-05-10T17:58:25Z", "ms": 1525975104732.321 }, "end": { "local": "2018-05-11T22:11:56+04:00", "utc": "2018-05-11T18:11:56Z", "ms": 1526062316038.8489 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-10T21:58:25+04:00", "utc": "2018-05-10T17:58:25Z", "ms": 1525975104732.321 }, "end": { "local": "2018-05-11T22:11:56+04:00", "utc": "2018-05-11T18:11:56Z", "ms": 1526062316038.8489 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-05-11", "window": { "start": { "local": "2018-05-11T05:41:30+04:00", "utc": "2018-05-11T01:41:30Z", "ms": 1526002890175.0754 }, "end": { "local": "2018-05-11T05:41:30+04:00", "utc": "2018-05-11T01:41:30Z", "ms": 1526002890175.0754 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-05-12", "window": { "start": { "local": "2018-05-12T05:40:57+04:00", "utc": "2018-05-12T01:40:57Z", "ms": 1526089257260.2654 }, "end": { "local": "2018-05-12T05:40:57+04:00", "utc": "2018-05-12T01:40:57Z", "ms": 1526089257260.2654 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:58 on Thu 10 May to 22:12 on Fri 11 May.", "fact": "2018-05-10T17:58:25Z → 2018-05-11T18:11:56Z" }, { "step": "kaala", "text": "Sunrise is at 05:42 on the 11th and 05:41 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26941 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Abu Dhabi, 2018: Friday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-11", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Aparā Ekādaśī 2018 falls on Friday 11 May. Ekādaśī runs from 21:58 on Thu 10 May to 22:12 on Fri 11 May and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-05-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-05-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 415, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-05-12T21:36:39+04:00", "utc": "2018-05-12T17:36:39Z", "ms": 1526146599072.2808 }, "end": { "local": "2018-05-13T20:16:06+04:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-12T21:36:39+04:00", "utc": "2018-05-12T17:36:39Z", "ms": 1526146599072.2808 }, "end": { "local": "2018-05-13T20:16:06+04:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-05-12", "window": { "start": { "local": "2018-05-12T18:56:51+04:00", "utc": "2018-05-12T14:56:51Z", "ms": 1526137010549.8518 }, "end": { "local": "2018-05-12T20:22:39+04:00", "utc": "2018-05-12T16:22:39Z", "ms": 1526142159203.0789 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2018-05-13", "window": { "start": { "local": "2018-05-13T18:57:21+04:00", "utc": "2018-05-13T14:57:21Z", "ms": 1526223440752.907 }, "end": { "local": "2018-05-13T20:23:01+04:00", "utc": "2018-05-13T16:23:01Z", "ms": 1526228581286.1436 } }, "covered_min": 79, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:37 on Sat 12 May to 20:16 on Sun 13 May.", "fact": "2018-05-12T17:36:39Z → 2018-05-13T16:16:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:23 on the 12th, 18:57–20:23 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 86 minutes on the 12th and 79 of 86 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 415 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Sunday 13 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": "2018-05-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Sunday 13 May. Trayodaśī runs from 21:37 on Sat 12 May to 20:16 on Sun 13 May and covers 79 of 86 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shivaratri?on=2018-05-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13112, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-05-13T20:16:06+04:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "end": { "local": "2018-05-14T18:16:56+04:00", "utc": "2018-05-14T14:16:56Z", "ms": 1526307416468.5112 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-13T20:16:06+04:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "end": { "local": "2018-05-14T18:16:56+04:00", "utc": "2018-05-14T14:16:56Z", "ms": 1526307416468.5112 } }, "kaala": "nishita", "days": [ { "local_date": "2018-05-13", "window": { "start": { "local": "2018-05-13T23:54:38+04:00", "utc": "2018-05-13T19:54:38Z", "ms": 1526241277752.5444 }, "end": { "local": "2018-05-14T00:42:38+04:00", "utc": "2018-05-13T20:42:38Z", "ms": 1526244157752.5444 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-05-14", "window": { "start": { "local": "2018-05-14T23:54:38+04:00", "utc": "2018-05-14T19:54:38Z", "ms": 1526327678086.5815 }, "end": { "local": "2018-05-15T00:42:38+04:00", "utc": "2018-05-14T20:42:38Z", "ms": 1526330558086.5815 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:16 on Sun 13 May to 18:17 on Mon 14 May.", "fact": "2018-05-13T16:16:06Z → 2018-05-14T14:16:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:55–00:43 on the 13th, 23:55–00:43 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13112 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Sunday 13 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": "2018-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Sunday 13 May. Caturdaśī runs from 20:16 on Sun 13 May to 18:17 on Mon 14 May and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-05-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18012, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-05-18T06:54:46+04:00", "utc": "2018-05-18T02:54:46Z", "ms": 1526612085731.9487 }, "end": { "local": "2018-05-19T03:58:10+04:00", "utc": "2018-05-18T23:58:10Z", "ms": 1526687890487.199 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-18T06:54:46+04:00", "utc": "2018-05-18T02:54:46Z", "ms": 1526612085731.9487 }, "end": { "local": "2018-05-19T03:58:10+04:00", "utc": "2018-05-18T23:58:10Z", "ms": 1526687890487.199 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-05-18", "window": { "start": { "local": "2018-05-18T11:54:58+04:00", "utc": "2018-05-18T07:54:58Z", "ms": 1526630097581.5308 }, "end": { "local": "2018-05-18T12:42:58+04:00", "utc": "2018-05-18T08:42:58Z", "ms": 1526632977581.5308 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-05-19", "window": { "start": { "local": "2018-05-19T11:55:00+04:00", "utc": "2018-05-19T07:55:00Z", "ms": 1526716500117.126 }, "end": { "local": "2018-05-19T12:43:00+04:00", "utc": "2018-05-19T08:43:00Z", "ms": 1526719380117.126 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:55 on Fri 18 May to 03:58 on Sat 19 May.", "fact": "2018-05-18T02:54:46Z → 2018-05-18T23:58:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 18th, 11:55–12:43 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18012 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Friday 18 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-18", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Friday 18 May. Caturthī runs from 06:55 on Fri 18 May to 03:58 on Sat 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-05-25", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38526, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-05-24T16:48:27+04:00", "utc": "2018-05-24T12:48:27Z", "ms": 1527166106521.2537 }, "end": { "local": "2018-05-25T16:17:38+04:00", "utc": "2018-05-25T12:17:38Z", "ms": 1527250658156.223 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-24T16:48:27+04:00", "utc": "2018-05-24T12:48:27Z", "ms": 1527166106521.2537 }, "end": { "local": "2018-05-25T16:17:38+04:00", "utc": "2018-05-25T12:17:38Z", "ms": 1527250658156.223 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-05-24", "window": { "start": { "local": "2018-05-24T05:35:51+04:00", "utc": "2018-05-24T01:35:51Z", "ms": 1527125750615.9126 }, "end": { "local": "2018-05-24T05:35:51+04:00", "utc": "2018-05-24T01:35:51Z", "ms": 1527125750615.9126 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-05-25", "window": { "start": { "local": "2018-05-25T05:35:33+04:00", "utc": "2018-05-25T01:35:33Z", "ms": 1527212132617.1086 }, "end": { "local": "2018-05-25T05:35:33+04:00", "utc": "2018-05-25T01:35:33Z", "ms": 1527212132617.1086 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:48 on Thu 24 May to 16:18 on Fri 25 May.", "fact": "2018-05-24T12:48:27Z → 2018-05-25T12:17:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:36 on the 24th and 05:36 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38526 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Abu Dhabi, 2018: Friday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-25", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Ekādaśī 2018 falls on Friday 25 May. Ekādaśī runs from 16:48 on Thu 24 May to 16:18 on Fri 25 May and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-05-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9380, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-05-26T16:10:36+04:00", "utc": "2018-05-26T12:10:36Z", "ms": 1527336636271.299 }, "end": { "local": "2018-05-27T16:27:57+04:00", "utc": "2018-05-27T12:27:57Z", "ms": 1527424077088.1523 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-05-26T16:10:36+04:00", "utc": "2018-05-26T12:10:36Z", "ms": 1527336636271.299 }, "end": { "local": "2018-05-27T16:27:57+04:00", "utc": "2018-05-27T12:27:57Z", "ms": 1527424077088.1523 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-05-26", "window": { "start": { "local": "2018-05-26T19:03:48+04:00", "utc": "2018-05-26T15:03:48Z", "ms": 1527347028276.9634 }, "end": { "local": "2018-05-26T20:27:58+04:00", "utc": "2018-05-26T16:27:58Z", "ms": 1527352077866.0015 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2018-05-27", "window": { "start": { "local": "2018-05-27T19:04:17+04:00", "utc": "2018-05-27T15:04:17Z", "ms": 1527433456865.7944 }, "end": { "local": "2018-05-27T20:28:21+04:00", "utc": "2018-05-27T16:28:21Z", "ms": 1527438500721.0574 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:11 on Sat 26 May to 16:28 on Sun 27 May.", "fact": "2018-05-26T12:10:36Z → 2018-05-27T12:27:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:04–20:28 on the 26th, 19:04–20:28 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 26th and 0 of 84 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9380 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Saturday 26 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": "2018-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-26", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Saturday 26 May. Trayodaśī runs from 16:11 on Sat 26 May to 16:28 on Sun 27 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-06-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9808, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-06-02T00:14:47+04:00", "utc": "2018-06-01T20:14:47Z", "ms": 1527884086632.2168 }, "end": { "local": "2018-06-03T02:47:43+04:00", "utc": "2018-06-02T22:47:43Z", "ms": 1527979663328.832 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-02T00:14:47+04:00", "utc": "2018-06-01T20:14:47Z", "ms": 1527884086632.2168 }, "end": { "local": "2018-06-03T02:47:43+04:00", "utc": "2018-06-02T22:47:43Z", "ms": 1527979663328.832 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-06-01", "window": { "start": { "local": "2018-06-01T21:31:19+04:00", "utc": "2018-06-01T17:31:19Z", "ms": 1527874278614.1445 }, "end": { "local": "2018-06-01T21:31:19+04:00", "utc": "2018-06-01T17:31:19Z", "ms": 1527874278614.1445 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-06-02", "window": { "start": { "local": "2018-06-02T22:17:21+04:00", "utc": "2018-06-02T18:17:21Z", "ms": 1527963441371.6553 }, "end": { "local": "2018-06-02T22:17:21+04:00", "utc": "2018-06-02T18:17:21Z", "ms": 1527963441371.6553 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:15 on Sat 2 Jun to 02:48 on Sun 3 Jun.", "fact": "2018-06-01T20:14:47Z → 2018-06-02T22:47:43Z" }, { "step": "kaala", "text": "Moonrise is at 21:31 on the 1st and 22:17 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9808 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Saturday 2 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": "2018-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-02", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Saturday 2 June. Caturthī runs from 00:15 on Sat 2 Jun to 02:48 on Sun 3 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-06-10", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17471, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-06-09T11:29:06+04:00", "utc": "2018-06-09T07:29:06Z", "ms": 1528529346079.7083 }, "end": { "local": "2018-06-10T10:24:38+04:00", "utc": "2018-06-10T06:24:38Z", "ms": 1528611878464.843 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-09T11:29:06+04:00", "utc": "2018-06-09T07:29:06Z", "ms": 1528529346079.7083 }, "end": { "local": "2018-06-10T10:24:38+04:00", "utc": "2018-06-10T06:24:38Z", "ms": 1528611878464.843 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-06-09", "window": { "start": { "local": "2018-06-09T05:33:26+04:00", "utc": "2018-06-09T01:33:26Z", "ms": 1528508006405.8425 }, "end": { "local": "2018-06-09T05:33:26+04:00", "utc": "2018-06-09T01:33:26Z", "ms": 1528508006405.8425 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-06-10", "window": { "start": { "local": "2018-06-10T05:33:27+04:00", "utc": "2018-06-10T01:33:27Z", "ms": 1528594407451.795 }, "end": { "local": "2018-06-10T05:33:27+04:00", "utc": "2018-06-10T01:33:27Z", "ms": 1528594407451.795 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:29 on Sat 9 Jun to 10:25 on Sun 10 Jun.", "fact": "2018-06-09T07:29:06Z → 2018-06-10T06:24:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:33 on the 9th and 05:33 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17471 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Abu Dhabi, 2018: Sunday 10 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-10", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Ekādaśī 2018 falls on Sunday 10 June. Ekādaśī runs from 11:29 on Sat 9 Jun to 10:25 on Sun 10 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-06-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34234, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-06-11T08:34:03+04:00", "utc": "2018-06-11T04:34:03Z", "ms": 1528691642564.8875 }, "end": { "local": "2018-06-12T06:04:15+04:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-11T08:34:03+04:00", "utc": "2018-06-11T04:34:03Z", "ms": 1528691642564.8875 }, "end": { "local": "2018-06-12T06:04:15+04:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-10", "window": { "start": { "local": "2018-06-10T19:10:16+04:00", "utc": "2018-06-10T15:10:16Z", "ms": 1528643416082.585 }, "end": { "local": "2018-06-10T20:33:22+04:00", "utc": "2018-06-10T16:33:22Z", "ms": 1528648401888.6895 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2018-06-11", "window": { "start": { "local": "2018-06-11T19:10:38+04:00", "utc": "2018-06-11T15:10:38Z", "ms": 1528729837750.6428 }, "end": { "local": "2018-06-11T20:33:41+04:00", "utc": "2018-06-11T16:33:41Z", "ms": 1528734821106.3086 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:34 on Mon 11 Jun to 06:04 on Tue 12 Jun.", "fact": "2018-06-11T04:34:03Z → 2018-06-12T02:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:10–20:33 on the 10th, 19:11–20:34 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 10th and 83 of 83 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34234 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Monday 11 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": "2018-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-11", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 11 June. Trayodaśī runs from 08:34 on Mon 11 Jun to 06:04 on Tue 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shivaratri?on=2018-06-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8265, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-06-12T06:04:15+04:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "end": { "local": "2018-06-13T03:04:03+04:00", "utc": "2018-06-12T23:04:03Z", "ms": 1528844642944.9158 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-12T06:04:15+04:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "end": { "local": "2018-06-13T03:04:03+04:00", "utc": "2018-06-12T23:04:03Z", "ms": 1528844642944.9158 } }, "kaala": "nishita", "days": [ { "local_date": "2018-06-11", "window": { "start": { "local": "2018-06-11T23:58:05+04:00", "utc": "2018-06-11T19:58:05Z", "ms": 1528747085334.3896 }, "end": { "local": "2018-06-12T00:46:05+04:00", "utc": "2018-06-11T20:46:05Z", "ms": 1528749965334.3896 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-12", "window": { "start": { "local": "2018-06-12T23:58:18+04:00", "utc": "2018-06-12T19:58:18Z", "ms": 1528833498015.6436 }, "end": { "local": "2018-06-13T00:46:18+04:00", "utc": "2018-06-12T20:46:18Z", "ms": 1528836378015.6436 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:04 on Tue 12 Jun to 03:04 on Wed 13 Jun.", "fact": "2018-06-12T02:04:15Z → 2018-06-12T23:04:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:58–00:46 on the 11th, 23:58–00:46 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8265 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Tuesday 12 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": "2018-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-12", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Tuesday 12 June. Caturdaśī runs from 06:04 on Tue 12 Jun to 03:04 on Wed 13 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-06-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1737, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-06-15T16:39:44+04:00", "utc": "2018-06-15T12:39:44Z", "ms": 1529066384343.3464 }, "end": { "local": "2018-06-16T13:16:03+04:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-15T16:39:44+04:00", "utc": "2018-06-15T12:39:44Z", "ms": 1529066384343.3464 }, "end": { "local": "2018-06-16T13:16:03+04:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-15", "window": { "start": { "local": "2018-06-15T11:58:53+04:00", "utc": "2018-06-15T07:58:53Z", "ms": 1529049533230.438 }, "end": { "local": "2018-06-15T12:46:53+04:00", "utc": "2018-06-15T08:46:53Z", "ms": 1529052413230.438 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-16", "window": { "start": { "local": "2018-06-16T11:59:06+04:00", "utc": "2018-06-16T07:59:06Z", "ms": 1529135945938.4028 }, "end": { "local": "2018-06-16T12:47:06+04:00", "utc": "2018-06-16T08:47:06Z", "ms": 1529138825938.4028 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:40 on Fri 15 Jun to 13:16 on Sat 16 Jun.", "fact": "2018-06-15T12:39:44Z → 2018-06-16T09:16:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 15th, 11:59–12:47 on the 16th.", "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 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1737 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Abu Dhabi, 2018: Saturday 16 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-16", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Rambhā Tṛtīyā 2018 falls on Saturday 16 June. Tṛtīyā runs from 16:40 on Fri 15 Jun to 13:16 on Sat 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-06-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1737, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-06-16T13:16:03+04:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "end": { "local": "2018-06-17T10:09:00+04:00", "utc": "2018-06-17T06:09:00Z", "ms": 1529215739864.1277 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-16T13:16:03+04:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "end": { "local": "2018-06-17T10:09:00+04:00", "utc": "2018-06-17T06:09:00Z", "ms": 1529215739864.1277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-16", "window": { "start": { "local": "2018-06-16T11:59:06+04:00", "utc": "2018-06-16T07:59:06Z", "ms": 1529135945938.4028 }, "end": { "local": "2018-06-16T12:47:06+04:00", "utc": "2018-06-16T08:47:06Z", "ms": 1529138825938.4028 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-17", "window": { "start": { "local": "2018-06-17T11:59:19+04:00", "utc": "2018-06-17T07:59:19Z", "ms": 1529222358718.2668 }, "end": { "local": "2018-06-17T12:47:19+04:00", "utc": "2018-06-17T08:47:19Z", "ms": 1529225238718.2668 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:16 on Sat 16 Jun to 10:09 on Sun 17 Jun.", "fact": "2018-06-16T09:16:03Z → 2018-06-17T06:09:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 16th, 11:59–12:47 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 1737 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Sunday 17 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-16", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Sunday 17 June. Caturthī runs from 13:16 on Sat 16 Jun to 10:09 on Sun 17 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16442, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-06-18T07:25:29+04:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T05:10:55+04:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-18T07:25:29+04:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T05:10:55+04:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-18", "window": { "start": { "local": "2018-06-18T11:59:32+04:00", "utc": "2018-06-18T07:59:32Z", "ms": 1529308771542.7788 }, "end": { "local": "2018-06-18T12:47:32+04:00", "utc": "2018-06-18T08:47:32Z", "ms": 1529311651542.7788 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-19", "window": { "start": { "local": "2018-06-19T11:59:44+04:00", "utc": "2018-06-19T07:59:44Z", "ms": 1529395184386.0964 }, "end": { "local": "2018-06-19T12:47:44+04:00", "utc": "2018-06-19T08:47:44Z", "ms": 1529398064386.0964 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:25 on Mon 18 Jun to 05:11 on Tue 19 Jun.", "fact": "2018-06-18T03:25:29Z → 2018-06-19T01:10:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 18th, 12:00–12:48 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16442 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Abu Dhabi, 2018: Monday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-18", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Araṇya Gaurī Vrata 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 07:25 on Mon 18 Jun to 05:11 on Tue 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16442, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-06-18T07:25:29+04:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T05:10:55+04:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-18T07:25:29+04:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T05:10:55+04:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-18", "window": { "start": { "local": "2018-06-18T11:59:32+04:00", "utc": "2018-06-18T07:59:32Z", "ms": 1529308771542.7788 }, "end": { "local": "2018-06-18T12:47:32+04:00", "utc": "2018-06-18T08:47:32Z", "ms": 1529311651542.7788 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-19", "window": { "start": { "local": "2018-06-19T11:59:44+04:00", "utc": "2018-06-19T07:59:44Z", "ms": 1529395184386.0964 }, "end": { "local": "2018-06-19T12:47:44+04:00", "utc": "2018-06-19T08:47:44Z", "ms": 1529398064386.0964 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:25 on Mon 18 Jun to 05:11 on Tue 19 Jun.", "fact": "2018-06-18T03:25:29Z → 2018-06-19T01:10:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 18th, 12:00–12:48 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16442 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Abu Dhabi, 2018: Monday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-18", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 07:25 on Mon 18 Jun to 05:11 on Tue 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-06-23", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11570, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-06-23T01:49:57+04:00", "utc": "2018-06-22T21:49:57Z", "ms": 1529704197153.8113 }, "end": { "local": "2018-06-24T02:22:41+04:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-23T01:49:57+04:00", "utc": "2018-06-22T21:49:57Z", "ms": 1529704197153.8113 }, "end": { "local": "2018-06-24T02:22:41+04:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-06-23", "window": { "start": { "local": "2018-06-23T05:35:16+04:00", "utc": "2018-06-23T01:35:16Z", "ms": 1529717716136.1506 }, "end": { "local": "2018-06-23T05:35:16+04:00", "utc": "2018-06-23T01:35:16Z", "ms": 1529717716136.1506 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T05:35:31+04:00", "utc": "2018-06-24T01:35:31Z", "ms": 1529804131004.9265 }, "end": { "local": "2018-06-24T05:35:31+04:00", "utc": "2018-06-24T01:35:31Z", "ms": 1529804131004.9265 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:50 on Sat 23 Jun to 02:23 on Sun 24 Jun.", "fact": "2018-06-22T21:49:57Z → 2018-06-23T22:22:41Z" }, { "step": "kaala", "text": "Sunrise is at 05:35 on the 23rd and 05:36 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11570 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Abu Dhabi, 2018: Saturday 23 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-23", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Nirjalā Ekādaśī 2018 falls on Saturday 23 June. Ekādaśī runs from 01:50 on Sat 23 Jun to 02:23 on Sun 24 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30994, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-06-24T02:22:41+04:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "end": { "local": "2018-06-25T03:24:27+04:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-24T02:22:41+04:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "end": { "local": "2018-06-25T03:24:27+04:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T12:00:48+04:00", "utc": "2018-06-24T08:00:48Z", "ms": 1529827248066.8647 }, "end": { "local": "2018-06-24T12:48:48+04:00", "utc": "2018-06-24T08:48:48Z", "ms": 1529830128066.8647 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-25", "window": { "start": { "local": "2018-06-25T12:01:01+04:00", "utc": "2018-06-25T08:01:01Z", "ms": 1529913660544.6558 }, "end": { "local": "2018-06-25T12:49:01+04:00", "utc": "2018-06-25T08:49:01Z", "ms": 1529916540544.6558 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:23 on Sun 24 Jun to 03:24 on Mon 25 Jun.", "fact": "2018-06-23T22:22:41Z → 2018-06-24T23:24:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 24th, 12:01–12:49 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30994 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Abu Dhabi, 2018: Sunday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-24", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śrī Rāma Dvādaśī 2018 falls on Sunday 24 June. Dvādaśī runs from 02:23 on Sun 24 Jun to 03:24 on Mon 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-06-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24448, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-06-25T03:24:27+04:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "end": { "local": "2018-06-26T04:52:18+04:00", "utc": "2018-06-26T00:52:18Z", "ms": 1529974338168.3127 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-25T03:24:27+04:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "end": { "local": "2018-06-26T04:52:18+04:00", "utc": "2018-06-26T00:52:18Z", "ms": 1529974338168.3127 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T19:14:05+04:00", "utc": "2018-06-24T15:14:05Z", "ms": 1529853245128.803 }, "end": { "local": "2018-06-24T20:36:59+04:00", "utc": "2018-06-24T16:36:59Z", "ms": 1529858218670.0881 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2018-06-25", "window": { "start": { "local": "2018-06-25T19:14:14+04:00", "utc": "2018-06-25T15:14:14Z", "ms": 1529939654400.8696 }, "end": { "local": "2018-06-25T20:37:09+04:00", "utc": "2018-06-25T16:37:09Z", "ms": 1529944628902.5505 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:24 on Mon 25 Jun to 04:52 on Tue 26 Jun.", "fact": "2018-06-24T23:24:27Z → 2018-06-26T00:52:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:37 on the 24th, 19:14–20:37 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 24th and 83 of 83 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24448 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Monday 25 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": "2018-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-25", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Monday 25 June. Trayodaśī runs from 03:24 on Mon 25 Jun to 04:52 on Tue 26 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36344, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-06-27T06:43:02+04:00", "utc": "2018-06-27T02:43:02Z", "ms": 1530067382433.2666 }, "end": { "local": "2018-06-28T08:52:58+04:00", "utc": "2018-06-28T04:52:58Z", "ms": 1530161578377.593 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2018-06-27T06:43:02+04:00", "utc": "2018-06-27T02:43:02Z", "ms": 1530067382433.2666 }, "end": { "local": "2018-06-28T08:52:58+04:00", "utc": "2018-06-28T04:52:58Z", "ms": 1530161578377.593 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-26", "window": { "start": { "local": "2018-06-26T19:14:23+04:00", "utc": "2018-06-26T15:14:23Z", "ms": 1530026062613.9387 }, "end": { "local": "2018-06-26T20:37:18+04:00", "utc": "2018-06-26T16:37:18Z", "ms": 1530031038319.6199 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2018-06-27", "window": { "start": { "local": "2018-06-27T19:14:30+04:00", "utc": "2018-06-27T15:14:30Z", "ms": 1530112469752.3076 }, "end": { "local": "2018-06-27T20:37:27+04:00", "utc": "2018-06-27T16:37:27Z", "ms": 1530117446904.5193 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:43 on Wed 27 Jun to 08:53 on Thu 28 Jun.", "fact": "2018-06-27T02:43:02Z → 2018-06-28T04:52:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:37 on the 26th, 19:14–20:37 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 83 minutes on the 26th and 83 of 83 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36344 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Abu Dhabi, 2018: Wednesday 27 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": "2018-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vaṭa Sāvitrī Vrata 2018 falls on Wednesday 27 June. Pūrṇimā runs from 06:43 on Wed 27 Jun to 08:53 on Thu 28 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-07-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12489, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-01T16:24:57+04:00", "utc": "2018-07-01T12:24:57Z", "ms": 1530447896941.8135 }, "end": { "local": "2018-07-02T18:50:56+04:00", "utc": "2018-07-02T14:50:56Z", "ms": 1530543055888.0564 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-01T16:24:57+04:00", "utc": "2018-07-01T12:24:57Z", "ms": 1530447896941.8135 }, "end": { "local": "2018-07-02T18:50:56+04:00", "utc": "2018-07-02T14:50:56Z", "ms": 1530543055888.0564 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-01", "window": { "start": { "local": "2018-07-01T21:40:09+04:00", "utc": "2018-07-01T17:40:09Z", "ms": 1530466808719.7356 }, "end": { "local": "2018-07-01T21:40:09+04:00", "utc": "2018-07-01T17:40:09Z", "ms": 1530466808719.7356 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-07-02", "window": { "start": { "local": "2018-07-02T22:19:04+04:00", "utc": "2018-07-02T18:19:04Z", "ms": 1530555544442.6228 }, "end": { "local": "2018-07-02T22:19:04+04:00", "utc": "2018-07-02T18:19:04Z", "ms": 1530555544442.6228 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:25 on Sun 1 Jul to 18:51 on Mon 2 Jul.", "fact": "2018-07-01T12:24:57Z → 2018-07-02T14:50:56Z" }, { "step": "kaala", "text": "Moonrise is at 21:40 on the 1st and 22:19 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12489 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Sunday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-01", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Sunday 1 July. Caturthī runs from 16:25 on Sun 1 Jul to 18:51 on Mon 2 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-07-09", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27583, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-07-08T22:00:55+04:00", "utc": "2018-07-08T18:00:55Z", "ms": 1531072855498.0898 }, "end": { "local": "2018-07-09T19:57:19+04:00", "utc": "2018-07-09T15:57:19Z", "ms": 1531151838736.3308 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-08T22:00:55+04:00", "utc": "2018-07-08T18:00:55Z", "ms": 1531072855498.0898 }, "end": { "local": "2018-07-09T19:57:19+04:00", "utc": "2018-07-09T15:57:19Z", "ms": 1531151838736.3308 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-07-09", "window": { "start": { "local": "2018-07-09T05:40:38+04:00", "utc": "2018-07-09T01:40:38Z", "ms": 1531100438241.6252 }, "end": { "local": "2018-07-09T05:40:38+04:00", "utc": "2018-07-09T01:40:38Z", "ms": 1531100438241.6252 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-10T05:41:03+04:00", "utc": "2018-07-10T01:41:03Z", "ms": 1531186863174.7034 }, "end": { "local": "2018-07-10T05:41:03+04:00", "utc": "2018-07-10T01:41:03Z", "ms": 1531186863174.7034 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:01 on Sun 8 Jul to 19:57 on Mon 9 Jul.", "fact": "2018-07-08T18:00:55Z → 2018-07-09T15:57:19Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 9th and 05:41 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27583 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Abu Dhabi, 2018: Monday 9 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-09", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Yoginī Ekādaśī 2018 falls on Monday 9 July. Ekādaśī runs from 22:01 on Sun 8 Jul to 19:57 on Mon 9 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-07-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7112, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-07-10T17:15:48+04:00", "utc": "2018-07-10T13:15:48Z", "ms": 1531228547507.056 }, "end": { "local": "2018-07-11T14:04:15+04:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-10T17:15:48+04:00", "utc": "2018-07-10T13:15:48Z", "ms": 1531228547507.056 }, "end": { "local": "2018-07-11T14:04:15+04:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-10T19:14:19+04:00", "utc": "2018-07-10T15:14:19Z", "ms": 1531235659027.3835 }, "end": { "local": "2018-07-10T20:37:56+04:00", "utc": "2018-07-10T16:37:56Z", "ms": 1531240676290.9517 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2018-07-11", "window": { "start": { "local": "2018-07-11T19:14:10+04:00", "utc": "2018-07-11T15:14:10Z", "ms": 1531322049887.6587 }, "end": { "local": "2018-07-11T20:37:52+04:00", "utc": "2018-07-11T16:37:52Z", "ms": 1531327071795.6113 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:16 on Tue 10 Jul to 14:04 on Wed 11 Jul.", "fact": "2018-07-10T13:15:48Z → 2018-07-11T10:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:38 on the 10th, 19:14–20:38 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 10th and 0 of 84 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7112 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Tuesday 10 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": "2018-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-10", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 10 July. Trayodaśī runs from 17:16 on Tue 10 Jul to 14:04 on Wed 11 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shivaratri?on=2018-07-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34782, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-07-11T14:04:15+04:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "end": { "local": "2018-07-12T10:31:44+04:00", "utc": "2018-07-12T06:31:44Z", "ms": 1531377104262.4673 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-11T14:04:15+04:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "end": { "local": "2018-07-12T10:31:44+04:00", "utc": "2018-07-12T06:31:44Z", "ms": 1531377104262.4673 } }, "kaala": "nishita", "days": [ { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-11T00:03:54+04:00", "utc": "2018-07-10T20:03:54Z", "ms": 1531253033765.7637 }, "end": { "local": "2018-07-11T00:51:54+04:00", "utc": "2018-07-10T20:51:54Z", "ms": 1531255913765.7637 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-11", "window": { "start": { "local": "2018-07-12T00:04:02+04:00", "utc": "2018-07-11T20:04:02Z", "ms": 1531339442042.4807 }, "end": { "local": "2018-07-12T00:52:02+04:00", "utc": "2018-07-11T20:52:02Z", "ms": 1531342322042.4807 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:04 on Wed 11 Jul to 10:32 on Thu 12 Jul.", "fact": "2018-07-11T10:04:15Z → 2018-07-12T06:31:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 10th, 00:04–00:52 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34782 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Wednesday 11 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": "2018-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-11", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Wednesday 11 July. Caturdaśī runs from 14:04 on Wed 11 Jul to 10:32 on Thu 12 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-07-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32503, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-07-14T03:02:27+04:00", "utc": "2018-07-13T23:02:27Z", "ms": 1531522947471.4346 }, "end": { "local": "2018-07-14T23:25:09+04:00", "utc": "2018-07-14T19:25:09Z", "ms": 1531596309112.2686 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-14T03:02:27+04:00", "utc": "2018-07-13T23:02:27Z", "ms": 1531522947471.4346 }, "end": { "local": "2018-07-14T23:25:09+04:00", "utc": "2018-07-14T19:25:09Z", "ms": 1531596309112.2686 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-14", "window": { "start": { "local": "2018-07-14T12:04:11+04:00", "utc": "2018-07-14T08:04:11Z", "ms": 1531555450794.7493 }, "end": { "local": "2018-07-14T12:52:11+04:00", "utc": "2018-07-14T08:52:11Z", "ms": 1531558330794.7493 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-07-15", "window": { "start": { "local": "2018-07-15T12:04:17+04:00", "utc": "2018-07-15T08:04:17Z", "ms": 1531641857030.021 }, "end": { "local": "2018-07-15T12:52:17+04:00", "utc": "2018-07-15T08:52:17Z", "ms": 1531644737030.021 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:02 on Sat 14 Jul to 23:25 on Sat 14 Jul.", "fact": "2018-07-13T23:02:27Z → 2018-07-14T19:25:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 14th, 12:04–12:52 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32503 s" }, { "step": "ruling", "text": "Rathayātrā, Abu Dhabi, 2018: Saturday 14 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-14", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Rathayātrā 2018 falls on Saturday 14 July. Dvitīyā runs from 03:02 on Sat 14 Jul to 23:25 on Sat 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-07-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15507, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-15T20:05:08+04:00", "utc": "2018-07-15T16:05:08Z", "ms": 1531670708407.4592 }, "end": { "local": "2018-07-16T17:10:50+04:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-15T20:05:08+04:00", "utc": "2018-07-15T16:05:08Z", "ms": 1531670708407.4592 }, "end": { "local": "2018-07-16T17:10:50+04:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-15", "window": { "start": { "local": "2018-07-15T12:04:17+04:00", "utc": "2018-07-15T08:04:17Z", "ms": 1531641857030.021 }, "end": { "local": "2018-07-15T12:52:17+04:00", "utc": "2018-07-15T08:52:17Z", "ms": 1531644737030.021 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-16", "window": { "start": { "local": "2018-07-16T12:04:23+04:00", "utc": "2018-07-16T08:04:23Z", "ms": 1531728262751.2083 }, "end": { "local": "2018-07-16T12:52:23+04:00", "utc": "2018-07-16T08:52:23Z", "ms": 1531731142751.2083 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:05 on Sun 15 Jul to 17:11 on Mon 16 Jul.", "fact": "2018-07-15T16:05:08Z → 2018-07-16T13:10:50Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15507 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Monday 16 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-16", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Monday 16 July. Caturthī runs from 20:05 on Sun 15 Jul to 17:11 on Mon 16 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-07-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7020, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-07-16T17:10:50+04:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "end": { "local": "2018-07-17T14:49:28+04:00", "utc": "2018-07-17T10:49:28Z", "ms": 1531824567727.6724 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-16T17:10:50+04:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "end": { "local": "2018-07-17T14:49:28+04:00", "utc": "2018-07-17T10:49:28Z", "ms": 1531824567727.6724 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-16", "window": { "start": { "local": "2018-07-16T12:04:23+04:00", "utc": "2018-07-16T08:04:23Z", "ms": 1531728262751.2083 }, "end": { "local": "2018-07-16T12:52:23+04:00", "utc": "2018-07-16T08:52:23Z", "ms": 1531731142751.2083 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-17", "window": { "start": { "local": "2018-07-17T12:04:28+04:00", "utc": "2018-07-17T08:04:28Z", "ms": 1531814667942.0498 }, "end": { "local": "2018-07-17T12:52:28+04:00", "utc": "2018-07-17T08:52:28Z", "ms": 1531817547942.0498 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:11 on Mon 16 Jul to 14:49 on Tue 17 Jul.", "fact": "2018-07-16T13:10:50Z → 2018-07-17T10:49:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 16th, 12:04–12:52 on the 17th.", "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 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7020 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Abu Dhabi, 2018: Tuesday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-17", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Skanda Pañcamī 2018 falls on Tuesday 17 July. Pañcamī runs from 17:11 on Mon 16 Jul to 14:49 on Tue 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-19", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 94, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-07-18T13:06:42+04:00", "utc": "2018-07-18T09:06:42Z", "ms": 1531904802010.8564 }, "end": { "local": "2018-07-19T12:06:10+04:00", "utc": "2018-07-19T08:06:10Z", "ms": 1531987570193.0781 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-18T13:06:42+04:00", "utc": "2018-07-18T09:06:42Z", "ms": 1531904802010.8564 }, "end": { "local": "2018-07-19T12:06:10+04:00", "utc": "2018-07-19T08:06:10Z", "ms": 1531987570193.0781 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-18", "window": { "start": { "local": "2018-07-18T12:04:33+04:00", "utc": "2018-07-18T08:04:33Z", "ms": 1531901072588.5508 }, "end": { "local": "2018-07-18T12:52:33+04:00", "utc": "2018-07-18T08:52:33Z", "ms": 1531903952588.5508 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-19", "window": { "start": { "local": "2018-07-19T12:04:37+04:00", "utc": "2018-07-19T08:04:37Z", "ms": 1531987476678.8599 }, "end": { "local": "2018-07-19T12:52:37+04:00", "utc": "2018-07-19T08:52:37Z", "ms": 1531990356678.8599 } }, "covered_min": 2, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:07 on Wed 18 Jul to 12:06 on Thu 19 Jul.", "fact": "2018-07-18T09:06:42Z → 2018-07-19T08:06:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 18th, 12:05–12:53 on the 19th.", "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 18th and 2 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 94 s < 300 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Abu Dhabi, 2018: Thursday 19 July.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-18", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vivasvat Saptamī 2018 falls on Thursday 19 July. Saptamī runs from 13:07 on Wed 18 Jul to 12:06 on Thu 19 Jul and covers 2 of 48 minutes of madhyāhna that midday. It is 1 min 34 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-07-23", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27077, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-07-22T13:17:42+04:00", "utc": "2018-07-22T09:17:42Z", "ms": 1532251061609.5364 }, "end": { "local": "2018-07-23T14:53:54+04:00", "utc": "2018-07-23T10:53:54Z", "ms": 1532343233843.25 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-22T13:17:42+04:00", "utc": "2018-07-22T09:17:42Z", "ms": 1532251061609.5364 }, "end": { "local": "2018-07-23T14:53:54+04:00", "utc": "2018-07-23T10:53:54Z", "ms": 1532343233843.25 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-07-22", "window": { "start": { "local": "2018-07-22T05:46:24+04:00", "utc": "2018-07-22T01:46:24Z", "ms": 1532223984120.3525 }, "end": { "local": "2018-07-22T05:46:24+04:00", "utc": "2018-07-22T01:46:24Z", "ms": 1532223984120.3525 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-23", "window": { "start": { "local": "2018-07-23T05:46:52+04:00", "utc": "2018-07-23T01:46:52Z", "ms": 1532310411809.4824 }, "end": { "local": "2018-07-23T05:46:52+04:00", "utc": "2018-07-23T01:46:52Z", "ms": 1532310411809.4824 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:18 on Sun 22 Jul to 14:54 on Mon 23 Jul.", "fact": "2018-07-22T09:17:42Z → 2018-07-23T10:53:54Z" }, { "step": "kaala", "text": "Sunrise is at 05:46 on the 22nd and 05:47 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27077 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Abu Dhabi, 2018: Monday 23 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-23", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Hariśayanī Ekādaśī 2018 falls on Monday 23 July. Ekādaśī runs from 13:18 on Sun 22 Jul to 14:54 on Mon 23 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-07-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-07-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-24", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 360, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-07-24T16:55:48+04:00", "utc": "2018-07-24T12:55:48Z", "ms": 1532436948495.6292 }, "end": { "local": "2018-07-25T19:15:51+04:00", "utc": "2018-07-25T15:15:51Z", "ms": 1532531751260.3157 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-24T16:55:48+04:00", "utc": "2018-07-24T12:55:48Z", "ms": 1532436948495.6292 }, "end": { "local": "2018-07-25T19:15:51+04:00", "utc": "2018-07-25T15:15:51Z", "ms": 1532531751260.3157 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-24", "window": { "start": { "local": "2018-07-24T19:10:17+04:00", "utc": "2018-07-24T15:10:17Z", "ms": 1532445017451.462 }, "end": { "local": "2018-07-24T20:35:17+04:00", "utc": "2018-07-24T16:35:17Z", "ms": 1532450117428.7534 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2018-07-25", "window": { "start": { "local": "2018-07-25T19:09:51+04:00", "utc": "2018-07-25T15:09:51Z", "ms": 1532531390898.6047 }, "end": { "local": "2018-07-25T20:34:58+04:00", "utc": "2018-07-25T16:34:58Z", "ms": 1532536498115.9116 } }, "covered_min": 6, "window_min": 85, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:56 on Tue 24 Jul to 19:16 on Wed 25 Jul.", "fact": "2018-07-24T12:55:48Z → 2018-07-25T15:15:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:10–20:35 on the 24th, 19:10–20:35 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 24th and 6 of 85 on the 25th.", "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 360 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Tuesday 24 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": "2018-07-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-24", "confidence": "boundary" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Tuesday 24 July. Trayodaśī runs from 16:56 on Tue 24 Jul to 19:16 on Wed 25 Jul and covers all of pradoṣa that evening. It also reaches the next evening for 6 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19729, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T21:46:28+04:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-28T00:20:21+04:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-26T21:46:28+04:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-28T00:20:21+04:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "udaya-3", "days": [ { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T05:48:43+04:00", "utc": "2018-07-27T01:48:43Z", "ms": 1532656122761.5742 }, "end": { "local": "2018-07-27T08:28:45+04:00", "utc": "2018-07-27T04:28:45Z", "ms": 1532665725053.43 } }, "covered_min": 160, "window_min": 160, "qualifies": true }, { "local_date": "2018-07-28", "window": { "start": { "local": "2018-07-28T05:49:10+04:00", "utc": "2018-07-28T01:49:10Z", "ms": 1532742550465.6755 }, "end": { "local": "2018-07-28T08:29:01+04:00", "utc": "2018-07-28T04:29:01Z", "ms": 1532752141197.2678 } }, "covered_min": 0, "window_min": 160, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:46 on Thu 26 Jul to 00:20 on Sat 28 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:49–08:29 on the 27th, 05:49–08:29 on the 28th.", "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 160 of 160 minutes on the 27th and 0 of 160 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19729 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Abu Dhabi, 2018: Friday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vyāsa Pūjā 2018 falls on Friday 27 July. Pūrṇimā runs from 21:46 on Thu 26 Jul to 00:20 on Sat 28 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32019, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T21:46:28+04:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-28T00:20:21+04:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-26T21:46:28+04:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-28T00:20:21+04:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T12:04:49+04:00", "utc": "2018-07-26T08:04:49Z", "ms": 1532592289089.495 }, "end": { "local": "2018-07-26T12:52:49+04:00", "utc": "2018-07-26T08:52:49Z", "ms": 1532595169089.495 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T12:04:48+04:00", "utc": "2018-07-27T08:04:48Z", "ms": 1532678688491.2139 }, "end": { "local": "2018-07-27T12:52:48+04:00", "utc": "2018-07-27T08:52:48Z", "ms": 1532681568491.2139 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:46 on Thu 26 Jul to 00:20 on Sat 28 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 26th, 12:05–12:53 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32019 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Abu Dhabi, 2018: Friday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Guru Pūrṇimā 2018 falls on Friday 27 July. Pūrṇimā runs from 21:46 on Thu 26 Jul to 00:20 on Sat 28 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9424, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T21:46:28+04:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-28T00:20:21+04:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-26T21:46:28+04:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-28T00:20:21+04:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T16:29:10+04:00", "utc": "2018-07-26T12:29:10Z", "ms": 1532608149526.1484 }, "end": { "local": "2018-07-26T19:09:23+04:00", "utc": "2018-07-26T15:09:23Z", "ms": 1532617763150.584 } }, "covered_min": 0, "window_min": 160, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T16:28:52+04:00", "utc": "2018-07-27T12:28:52Z", "ms": 1532694531928.9976 }, "end": { "local": "2018-07-27T19:08:54+04:00", "utc": "2018-07-27T15:08:54Z", "ms": 1532704134220.8533 } }, "covered_min": 160, "window_min": 160, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:46 on Thu 26 Jul to 00:20 on Sat 28 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:29–19:09 on the 26th, 16:29–19:09 on the 27th.", "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 160 minutes on the 26th and 160 of 160 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9424 s" }, { "step": "ruling", "text": "Kokilā Vrata, Abu Dhabi, 2018: Friday 27 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": "2018-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kokilā Vrata 2018 falls on Friday 27 July. Pūrṇimā runs from 21:46 on Thu 26 Jul to 00:20 on Sat 28 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4310, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T21:46:28+04:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-28T00:20:21+04:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2018-07-26T21:46:28+04:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-28T00:20:21+04:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T19:09:23+04:00", "utc": "2018-07-26T15:09:23Z", "ms": 1532617763150.584 }, "end": { "local": "2018-07-26T20:34:38+04:00", "utc": "2018-07-26T16:34:38Z", "ms": 1532622877765.3826 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T19:08:54+04:00", "utc": "2018-07-27T15:08:54Z", "ms": 1532704134220.8533 }, "end": { "local": "2018-07-27T20:34:16+04:00", "utc": "2018-07-27T16:34:16Z", "ms": 1532709256386.8296 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:46 on Thu 26 Jul to 00:20 on Sat 28 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:09–20:35 on the 26th, 19:09–20:34 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 85 minutes on the 26th and 85 of 85 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4310 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Abu Dhabi, 2018: Friday 27 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": "2018-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śiva Śayanotsava 2018 falls on Friday 27 July. Pūrṇimā runs from 21:46 on Thu 26 Jul to 00:20 on Sat 28 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25862, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-07-29T02:50:36+04:00", "utc": "2018-07-28T22:50:36Z", "ms": 1532818236014.6 }, "end": { "local": "2018-07-30T05:10:30+04:00", "utc": "2018-07-30T01:10:30Z", "ms": 1532913030286.5576 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-07-29T02:50:36+04:00", "utc": "2018-07-28T22:50:36Z", "ms": 1532818236014.6 }, "end": { "local": "2018-07-30T05:10:30+04:00", "utc": "2018-07-30T01:10:30Z", "ms": 1532913030286.5576 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-28", "window": { "start": { "local": "2018-07-28T19:39:34+04:00", "utc": "2018-07-28T15:39:34Z", "ms": 1532792373684.7244 }, "end": { "local": "2018-07-28T19:39:34+04:00", "utc": "2018-07-28T15:39:34Z", "ms": 1532792373684.7244 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-29", "window": { "start": { "local": "2018-07-29T20:19:23+04:00", "utc": "2018-07-29T16:19:23Z", "ms": 1532881163080.9058 }, "end": { "local": "2018-07-29T20:19:23+04:00", "utc": "2018-07-29T16:19:23Z", "ms": 1532881163080.9058 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:51 on Sun 29 Jul to 05:11 on Mon 30 Jul.", "fact": "2018-07-28T22:50:36Z → 2018-07-30T01:10:30Z" }, { "step": "kaala", "text": "Moonrise is at 19:40 on the 28th and 20:19 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25862 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Abu Dhabi, 2018: Sunday 29 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": "2018-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-29", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Aśūnya Śayana Vrata (Āṣāḍha) 2018 falls on Sunday 29 July. Dvitīyā runs from 02:51 on Sun 29 Jul to 05:11 on Mon 30 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-07-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36986, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-31T07:13:28+04:00", "utc": "2018-07-31T03:13:28Z", "ms": 1533006808308.9995 }, "end": { "local": "2018-08-01T08:53:02+04:00", "utc": "2018-08-01T04:53:02Z", "ms": 1533099182069.5957 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-07-31T07:13:28+04:00", "utc": "2018-07-31T03:13:28Z", "ms": 1533006808308.9995 }, "end": { "local": "2018-08-01T08:53:02+04:00", "utc": "2018-08-01T04:53:02Z", "ms": 1533099182069.5957 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-30", "window": { "start": { "local": "2018-07-30T20:57:02+04:00", "utc": "2018-07-30T16:57:02Z", "ms": 1532969821979.6934 }, "end": { "local": "2018-07-30T20:57:02+04:00", "utc": "2018-07-30T16:57:02Z", "ms": 1532969821979.6934 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-31", "window": { "start": { "local": "2018-07-31T21:33:10+04:00", "utc": "2018-07-31T17:33:10Z", "ms": 1533058390279.1008 }, "end": { "local": "2018-07-31T21:33:10+04:00", "utc": "2018-07-31T17:33:10Z", "ms": 1533058390279.1008 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:13 on Tue 31 Jul to 08:53 on Wed 1 Aug.", "fact": "2018-07-31T03:13:28Z → 2018-08-01T04:53:02Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 30th and 21:33 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36986 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Tuesday 31 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-31", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 31 July. Caturthī runs from 07:13 on Tue 31 Jul to 08:53 on Wed 1 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-08-07", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1743, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-08-07T06:22:46+04:00", "utc": "2018-08-07T02:22:46Z", "ms": 1533608566254.9343 }, "end": { "local": "2018-08-08T03:45:39+04:00", "utc": "2018-08-07T23:45:39Z", "ms": 1533685539432.0996 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-07T06:22:46+04:00", "utc": "2018-08-07T02:22:46Z", "ms": 1533608566254.9343 }, "end": { "local": "2018-08-08T03:45:39+04:00", "utc": "2018-08-07T23:45:39Z", "ms": 1533685539432.0996 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-08-07", "window": { "start": { "local": "2018-08-07T05:53:43+04:00", "utc": "2018-08-07T01:53:43Z", "ms": 1533606823211.1753 }, "end": { "local": "2018-08-07T05:53:43+04:00", "utc": "2018-08-07T01:53:43Z", "ms": 1533606823211.1753 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-08-08", "window": { "start": { "local": "2018-08-08T05:54:10+04:00", "utc": "2018-08-08T01:54:10Z", "ms": 1533693249823.6753 }, "end": { "local": "2018-08-08T05:54:10+04:00", "utc": "2018-08-08T01:54:10Z", "ms": 1533693249823.6753 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:23 on Tue 7 Aug to 03:46 on Wed 8 Aug.", "fact": "2018-08-07T02:22:46Z → 2018-08-07T23:45:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 7th and 05:54 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1743 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Abu Dhabi, 2018: Tuesday 7 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-07", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kāmikā Ekādaśī 2018 falls on Tuesday 7 August. Ekādaśī runs from 06:23 on Tue 7 Aug to 03:46 on Wed 8 Aug, and is current at sunrise on neither day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-08-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-08-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2827, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-08-09T00:40:41+04:00", "utc": "2018-08-08T20:40:41Z", "ms": 1533760840773.168 }, "end": { "local": "2018-08-09T21:15:17+04:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-09T00:40:41+04:00", "utc": "2018-08-08T20:40:41Z", "ms": 1533760840773.168 }, "end": { "local": "2018-08-09T21:15:17+04:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-08-08", "window": { "start": { "local": "2018-08-08T19:01:41+04:00", "utc": "2018-08-08T15:01:41Z", "ms": 1533740500590.0483 }, "end": { "local": "2018-08-08T20:28:44+04:00", "utc": "2018-08-08T16:28:44Z", "ms": 1533745724014.5798 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2018-08-09", "window": { "start": { "local": "2018-08-09T19:00:58+04:00", "utc": "2018-08-09T15:00:58Z", "ms": 1533826857754.8762 }, "end": { "local": "2018-08-09T20:28:10+04:00", "utc": "2018-08-09T16:28:10Z", "ms": 1533832090394.2695 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:41 on Thu 9 Aug to 21:15 on Thu 9 Aug.", "fact": "2018-08-08T20:40:41Z → 2018-08-09T17:15:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:02–20:29 on the 8th, 19:01–20:28 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 8th and 87 of 87 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2827 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Thursday 9 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": "2018-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-09", "confidence": "boundary" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Thursday 9 August. Trayodaśī runs from 00:41 on Thu 9 Aug to 21:15 on Thu 9 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shivaratri?on=2018-08-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10123, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-08-09T21:15:17+04:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "end": { "local": "2018-08-10T17:37:56+04:00", "utc": "2018-08-10T13:37:56Z", "ms": 1533908275865.642 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-09T21:15:17+04:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "end": { "local": "2018-08-10T17:37:56+04:00", "utc": "2018-08-10T13:37:56Z", "ms": 1533908275865.642 } }, "kaala": "nishita", "days": [ { "local_date": "2018-08-09", "window": { "start": { "local": "2018-08-10T00:04:00+04:00", "utc": "2018-08-09T20:04:00Z", "ms": 1533845040152.6016 }, "end": { "local": "2018-08-10T00:52:00+04:00", "utc": "2018-08-09T20:52:00Z", "ms": 1533847920152.6016 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-10", "window": { "start": { "local": "2018-08-11T00:03:51+04:00", "utc": "2018-08-10T20:03:51Z", "ms": 1533931431302.4702 }, "end": { "local": "2018-08-11T00:51:51+04:00", "utc": "2018-08-10T20:51:51Z", "ms": 1533934311302.4702 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:15 on Thu 9 Aug to 17:38 on Fri 10 Aug.", "fact": "2018-08-09T17:15:17Z → 2018-08-10T13:37:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 9th, 00:04–00:52 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10123 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Thursday 9 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": "2018-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-09", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Thursday 9 August. Caturdaśī runs from 21:15 on Thu 9 Aug to 17:38 on Fri 10 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17770, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-08-13T07:06:58+04:00", "utc": "2018-08-13T03:06:58Z", "ms": 1534129618204.2227 }, "end": { "local": "2018-08-14T04:15:20+04:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-13T07:06:58+04:00", "utc": "2018-08-13T03:06:58Z", "ms": 1534129618204.2227 }, "end": { "local": "2018-08-14T04:15:20+04:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-13", "window": { "start": { "local": "2018-08-13T12:03:09+04:00", "utc": "2018-08-13T08:03:09Z", "ms": 1534147388610.7886 }, "end": { "local": "2018-08-13T12:51:09+04:00", "utc": "2018-08-13T08:51:09Z", "ms": 1534150268610.7886 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T12:02:58+04:00", "utc": "2018-08-14T08:02:58Z", "ms": 1534233777610.87 }, "end": { "local": "2018-08-14T12:50:58+04:00", "utc": "2018-08-14T08:50:58Z", "ms": 1534236657610.87 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:07 on Mon 13 Aug to 04:15 on Tue 14 Aug.", "fact": "2018-08-13T03:06:58Z → 2018-08-14T00:15:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 13th, 12:03–12:51 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17770 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Abu Dhabi, 2018: Monday 13 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Madhusravā Tṛtīyā (Hariyali Teej) 2018 falls on Monday 13 August. Tṛtīyā runs from 07:07 on Mon 13 Aug to 04:15 on Tue 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-08-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28058, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-14T04:15:20+04:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "end": { "local": "2018-08-15T01:57:52+04:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-14T04:15:20+04:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "end": { "local": "2018-08-15T01:57:52+04:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T12:02:58+04:00", "utc": "2018-08-14T08:02:58Z", "ms": 1534233777610.87 }, "end": { "local": "2018-08-14T12:50:58+04:00", "utc": "2018-08-14T08:50:58Z", "ms": 1534236657610.87 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-15", "window": { "start": { "local": "2018-08-15T12:02:46+04:00", "utc": "2018-08-15T08:02:46Z", "ms": 1534320166059.4688 }, "end": { "local": "2018-08-15T12:50:46+04:00", "utc": "2018-08-15T08:50:46Z", "ms": 1534323046059.4688 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:15 on Tue 14 Aug to 01:58 on Wed 15 Aug.", "fact": "2018-08-14T00:15:20Z → 2018-08-14T21:57:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28058 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Tuesday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-14", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Tuesday 14 August. Caturthī runs from 04:15 on Tue 14 Aug to 01:58 on Wed 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36294, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-08-15T01:57:52+04:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "end": { "local": "2018-08-16T00:21:48+04:00", "utc": "2018-08-15T20:21:48Z", "ms": 1534364507531.6821 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-15T01:57:52+04:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "end": { "local": "2018-08-16T00:21:48+04:00", "utc": "2018-08-15T20:21:48Z", "ms": 1534364507531.6821 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-15", "window": { "start": { "local": "2018-08-15T12:02:46+04:00", "utc": "2018-08-15T08:02:46Z", "ms": 1534320166059.4688 }, "end": { "local": "2018-08-15T12:50:46+04:00", "utc": "2018-08-15T08:50:46Z", "ms": 1534323046059.4688 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-16", "window": { "start": { "local": "2018-08-16T12:02:34+04:00", "utc": "2018-08-16T08:02:34Z", "ms": 1534406553963.6528 }, "end": { "local": "2018-08-16T12:50:34+04:00", "utc": "2018-08-16T08:50:34Z", "ms": 1534409433963.6528 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:58 on Wed 15 Aug to 00:22 on Thu 16 Aug.", "fact": "2018-08-14T21:57:52Z → 2018-08-15T20:21:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 15th, 12:03–12:51 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36294 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Abu Dhabi, 2018: Wednesday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-15", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Nāga Pañcamī 2018 falls on Wednesday 15 August. Pañcamī runs from 01:58 on Wed 15 Aug to 00:22 on Thu 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-08-22", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 642, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-08-21T03:46:44+04:00", "utc": "2018-08-20T23:46:44Z", "ms": 1534808803761.1855 }, "end": { "local": "2018-08-22T06:10:43+04:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-21T03:46:44+04:00", "utc": "2018-08-20T23:46:44Z", "ms": 1534808803761.1855 }, "end": { "local": "2018-08-22T06:10:43+04:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-08-21", "window": { "start": { "local": "2018-08-21T05:59:37+04:00", "utc": "2018-08-21T01:59:37Z", "ms": 1534816777455.6018 }, "end": { "local": "2018-08-21T05:59:37+04:00", "utc": "2018-08-21T01:59:37Z", "ms": 1534816777455.6018 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-22", "window": { "start": { "local": "2018-08-22T06:00:01+04:00", "utc": "2018-08-22T02:00:01Z", "ms": 1534903201066.543 }, "end": { "local": "2018-08-22T06:00:01+04:00", "utc": "2018-08-22T02:00:01Z", "ms": 1534903201066.543 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:47 on Tue 21 Aug to 06:11 on Wed 22 Aug.", "fact": "2018-08-20T23:46:44Z → 2018-08-22T02:10:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 21st and 06:00 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 on the 22nd.", "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 642 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Abu Dhabi, 2018: Wednesday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Putradā Ekādaśī 2018 falls on Wednesday 22 August. Ekādaśī runs from 03:47 on Tue 21 Aug to 06:11 on Wed 22 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-08-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11716, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-08-22T06:10:43+04:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "end": { "local": "2018-08-23T08:45:39+04:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-22T06:10:43+04:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "end": { "local": "2018-08-23T08:45:39+04:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-22", "window": { "start": { "local": "2018-08-22T12:01:11+04:00", "utc": "2018-08-22T08:01:11Z", "ms": 1534924870538.9937 }, "end": { "local": "2018-08-22T12:49:11+04:00", "utc": "2018-08-22T08:49:11Z", "ms": 1534927750538.9937 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-23", "window": { "start": { "local": "2018-08-23T12:00:55+04:00", "utc": "2018-08-23T08:00:55Z", "ms": 1535011254947.6387 }, "end": { "local": "2018-08-23T12:48:55+04:00", "utc": "2018-08-23T08:48:55Z", "ms": 1535014134947.6387 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:11 on Wed 22 Aug to 08:46 on Thu 23 Aug.", "fact": "2018-08-22T02:10:43Z → 2018-08-23T04:45:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 22nd, 12:01–12:49 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11716 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Abu Dhabi, 2018: Wednesday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "damodara-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Dāmodara Dvādaśī 2018 falls on Wednesday 22 August. Dvādaśī runs from 06:11 on Wed 22 Aug to 08:46 on Thu 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-08-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26874, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-08-23T08:45:39+04:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "end": { "local": "2018-08-24T11:20:36+04:00", "utc": "2018-08-24T07:20:36Z", "ms": 1535095236341.8088 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-23T08:45:39+04:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "end": { "local": "2018-08-24T11:20:36+04:00", "utc": "2018-08-24T07:20:36Z", "ms": 1535095236341.8088 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-08-23", "window": { "start": { "local": "2018-08-23T18:49:25+04:00", "utc": "2018-08-23T14:49:25Z", "ms": 1535035765440.0615 }, "end": { "local": "2018-08-23T20:18:56+04:00", "utc": "2018-08-23T16:18:56Z", "ms": 1535041136398.4302 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2018-08-24", "window": { "start": { "local": "2018-08-24T18:48:30+04:00", "utc": "2018-08-24T14:48:30Z", "ms": 1535122110200.4873 }, "end": { "local": "2018-08-24T20:18:12+04:00", "utc": "2018-08-24T16:18:12Z", "ms": 1535127491585.9724 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:46 on Thu 23 Aug to 11:21 on Fri 24 Aug.", "fact": "2018-08-23T04:45:39Z → 2018-08-24T07:20:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:19 on the 23rd, 18:49–20:18 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 23rd and 0 of 90 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26874 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Thursday 23 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": "2018-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-23", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Thursday 23 August. Trayodaśī runs from 08:46 on Thu 23 Aug to 11:21 on Fri 24 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 11274, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-08-25T13:46:26+04:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T15:56:10+04:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2018-08-26T02:53:40+04:00", "utc": "2018-08-25T22:53:40Z", "ms": 1535237619577.8662 }, "end": { "local": "2018-08-26T15:56:10+04:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 } }, "kaala": "day", "days": [ { "local_date": "2018-08-25", "window": { "start": { "local": "2018-08-25T06:01:11+04:00", "utc": "2018-08-25T02:01:11Z", "ms": 1535162470591.6252 }, "end": { "local": "2018-08-26T06:01:33+04:00", "utc": "2018-08-26T02:01:33Z", "ms": 1535248893354.8503 } }, "covered_min": 188, "window_min": 1440, "qualifies": true }, { "local_date": "2018-08-26", "window": { "start": { "local": "2018-08-26T06:01:33+04:00", "utc": "2018-08-26T02:01:33Z", "ms": 1535248893354.8503 }, "end": { "local": "2018-08-27T06:01:56+04:00", "utc": "2018-08-27T02:01:56Z", "ms": 1535335315926.6555 } }, "covered_min": 595, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:46 on Sat 25 Aug to 15:56 on Sun 26 Aug. Its second half begins at 02:54 on Sun 26 Aug.", "fact": "2018-08-25T09:46:26Z → 2018-08-26T11:56:10Z · second half from 2018-08-25T22:53:40Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:01 on the 25th, and from 06:02 on the 26th.", "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 188 of 1440 minutes on the 25th and 595 of 1440 on the 26th.", "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 11274 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Abu Dhabi, 2018: Sunday 26 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": "2018-08-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-26", "confidence": "boundary" } ], "quote": "In Abu Dhabi, Rakṣā Bandhana (Rakhi) 2018 falls on Sunday 26 August. The second half of Pūrṇimā runs from 02:54 on Sun 26 Aug to 15:56 on Sun 26 Aug and falls on two days: 595 minutes of it on the 26th, 188 on the 25th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3483, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-08-25T13:46:26+04:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T15:56:10+04:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2018-08-25T13:46:26+04:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T15:56:10+04:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-25", "window": { "start": { "local": "2018-08-25T12:00:22+04:00", "utc": "2018-08-25T08:00:22Z", "ms": 1535184022455.209 }, "end": { "local": "2018-08-25T12:48:22+04:00", "utc": "2018-08-25T08:48:22Z", "ms": 1535186902455.209 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-26", "window": { "start": { "local": "2018-08-26T12:00:06+04:00", "utc": "2018-08-26T08:00:06Z", "ms": 1535270405588.0952 }, "end": { "local": "2018-08-26T12:48:06+04:00", "utc": "2018-08-26T08:48:06Z", "ms": 1535273285588.0952 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:46 on Sat 25 Aug to 15:56 on Sun 26 Aug.", "fact": "2018-08-25T09:46:26Z → 2018-08-26T11:56:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 25th, 12:00–12:48 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3483 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Abu Dhabi, 2018: Sunday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-26", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Ṛṣi Tarpaṇa 2018 falls on Sunday 26 August. Pūrṇimā runs from 13:46 on Sat 25 Aug to 15:56 on Sun 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3615, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-08-27T17:45:01+04:00", "utc": "2018-08-27T13:45:01Z", "ms": 1535377500654.6133 }, "end": { "local": "2018-08-28T19:09:47+04:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-27T17:45:01+04:00", "utc": "2018-08-27T13:45:01Z", "ms": 1535377500654.6133 }, "end": { "local": "2018-08-28T19:09:47+04:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-08-27", "window": { "start": { "local": "2018-08-27T19:34:15+04:00", "utc": "2018-08-27T15:34:15Z", "ms": 1535384055160.8108 }, "end": { "local": "2018-08-27T19:34:15+04:00", "utc": "2018-08-27T15:34:15Z", "ms": 1535384055160.8108 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-28", "window": { "start": { "local": "2018-08-28T20:10:02+04:00", "utc": "2018-08-28T16:10:02Z", "ms": 1535472602365.266 }, "end": { "local": "2018-08-28T20:10:02+04:00", "utc": "2018-08-28T16:10:02Z", "ms": 1535472602365.266 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:45 on Mon 27 Aug to 19:10 on Tue 28 Aug.", "fact": "2018-08-27T13:45:01Z → 2018-08-28T15:09:47Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 27th and 20:10 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3615 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Abu Dhabi, 2018: Monday 27 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": "2018-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Aśūnya Śayana Vrata 2018 falls on Monday 27 August. Dvitīyā runs from 17:45 on Mon 27 Aug to 19:10 on Tue 28 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22936, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-08-28T19:09:47+04:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "end": { "local": "2018-08-29T20:08:27+04:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-28T19:09:47+04:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "end": { "local": "2018-08-29T20:08:27+04:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-28", "window": { "start": { "local": "2018-08-28T11:59:31+04:00", "utc": "2018-08-28T07:59:31Z", "ms": 1535443170701.3564 }, "end": { "local": "2018-08-28T12:47:31+04:00", "utc": "2018-08-28T08:47:31Z", "ms": 1535446050701.3564 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T11:59:13+04:00", "utc": "2018-08-29T07:59:13Z", "ms": 1535529552718.852 }, "end": { "local": "2018-08-29T12:47:13+04:00", "utc": "2018-08-29T08:47:13Z", "ms": 1535532432718.852 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:10 on Tue 28 Aug to 20:08 on Wed 29 Aug.", "fact": "2018-08-28T15:09:47Z → 2018-08-29T16:08:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 28th, 11:59–12:47 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22936 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Abu Dhabi, 2018: Wednesday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-29", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kajjalī Tṛtīyā (Kajari Teej) 2018 falls on Wednesday 29 August. Tṛtīyā runs from 19:10 on Tue 28 Aug to 20:08 on Wed 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-08-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2233, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-29T20:08:27+04:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T20:39:33+04:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-29T20:08:27+04:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T20:39:33+04:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T20:45:40+04:00", "utc": "2018-08-29T16:45:40Z", "ms": 1535561139795.3037 }, "end": { "local": "2018-08-29T20:45:40+04:00", "utc": "2018-08-29T16:45:40Z", "ms": 1535561139795.3037 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-30", "window": { "start": { "local": "2018-08-30T21:22:04+04:00", "utc": "2018-08-30T17:22:04Z", "ms": 1535649723627.7053 }, "end": { "local": "2018-08-30T21:22:04+04:00", "utc": "2018-08-30T17:22:04Z", "ms": 1535649723627.7053 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:08 on Wed 29 Aug to 20:40 on Thu 30 Aug.", "fact": "2018-08-29T16:08:27Z → 2018-08-30T16:39:33Z" }, { "step": "kaala", "text": "Moonrise is at 20:46 on the 29th and 21:22 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2233 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Wednesday 29 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": "2018-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-29", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Wednesday 29 August. Caturthī runs from 20:08 on Wed 29 Aug to 20:40 on Thu 30 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5082, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-29T20:08:27+04:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T20:39:33+04:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-29T20:08:27+04:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T20:39:33+04:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T16:11:32+04:00", "utc": "2018-08-29T12:11:32Z", "ms": 1535544692028.203 }, "end": { "local": "2018-08-29T18:43:45+04:00", "utc": "2018-08-29T14:43:45Z", "ms": 1535553824901.1035 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "2018-08-30", "window": { "start": { "local": "2018-08-30T16:10:49+04:00", "utc": "2018-08-30T12:10:49Z", "ms": 1535631049485.558 }, "end": { "local": "2018-08-30T18:42:46+04:00", "utc": "2018-08-30T14:42:46Z", "ms": 1535640166207.7903 } }, "covered_min": 152, "window_min": 152, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:08 on Wed 29 Aug to 20:40 on Thu 30 Aug.", "fact": "2018-08-29T16:08:27Z → 2018-08-30T16:39:33Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:12–18:44 on the 29th, 16:11–18:43 on the 30th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 152 minutes on the 29th and 152 of 152 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5082 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Abu Dhabi, 2018: Thursday 30 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": "2018-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-30", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Bahulā Caturthī 2018 falls on Thursday 30 August. Caturthī runs from 20:08 on Wed 29 Aug to 20:40 on Thu 30 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26908, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-08-31T20:41:57+04:00", "utc": "2018-08-31T16:41:57Z", "ms": 1535733716910.0825 }, "end": { "local": "2018-09-01T20:14:44+04:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-08-31T20:41:57+04:00", "utc": "2018-08-31T16:41:57Z", "ms": 1535733716910.0825 }, "end": { "local": "2018-09-01T20:14:44+04:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-31", "window": { "start": { "local": "2018-08-31T11:58:36+04:00", "utc": "2018-08-31T07:58:36Z", "ms": 1535702315770.6018 }, "end": { "local": "2018-08-31T12:46:36+04:00", "utc": "2018-08-31T08:46:36Z", "ms": 1535705195770.6018 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-01", "window": { "start": { "local": "2018-09-01T11:58:17+04:00", "utc": "2018-09-01T07:58:17Z", "ms": 1535788696843.2874 }, "end": { "local": "2018-09-01T12:46:17+04:00", "utc": "2018-09-01T08:46:17Z", "ms": 1535791576843.2874 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:42 on Fri 31 Aug to 20:15 on Sat 1 Sep.", "fact": "2018-08-31T16:41:57Z → 2018-09-01T16:14:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 31st, 11:58–12:46 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26908 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Abu Dhabi, 2018: Saturday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-01", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Hala Ṣaṣṭhī 2018 falls on Saturday 1 September. Ṣaṣṭhī runs from 20:42 on Fri 31 Aug to 20:15 on Sat 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16845, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-09-02T19:17:23+04:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "end": { "local": "2018-09-03T17:50:01+04:00", "utc": "2018-09-03T13:50:01Z", "ms": 1535982600776.3923 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-02T19:17:23+04:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "end": { "local": "2018-09-03T17:50:01+04:00", "utc": "2018-09-03T13:50:01Z", "ms": 1535982600776.3923 } }, "kaala": "nishita", "days": [ { "local_date": "2018-09-02", "window": { "start": { "local": "2018-09-02T23:58:08+04:00", "utc": "2018-09-02T19:58:08Z", "ms": 1535918288408.423 }, "end": { "local": "2018-09-03T00:46:08+04:00", "utc": "2018-09-02T20:46:08Z", "ms": 1535921168408.423 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-03", "window": { "start": { "local": "2018-09-03T23:57:49+04:00", "utc": "2018-09-03T19:57:49Z", "ms": 1536004668894.986 }, "end": { "local": "2018-09-04T00:45:49+04:00", "utc": "2018-09-03T20:45:49Z", "ms": 1536007548894.986 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:17 on Sun 2 Sep to 17:50 on Mon 3 Sep.", "fact": "2018-09-02T15:17:23Z → 2018-09-03T13:50:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:58–00:46 on the 2nd, 23:58–00:46 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16845 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Abu Dhabi, 2018: Sunday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-02", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Janmāṣṭamī 2018 falls on Sunday 2 September. Aṣṭamī runs from 19:17 on Sun 2 Sep to 17:50 on Mon 3 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23485, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-09-01T20:14:44+04:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "end": { "local": "2018-09-02T19:17:23+04:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-01T20:14:44+04:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "end": { "local": "2018-09-02T19:17:23+04:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-01", "window": { "start": { "local": "2018-09-01T11:58:17+04:00", "utc": "2018-09-01T07:58:17Z", "ms": 1535788696843.2874 }, "end": { "local": "2018-09-01T12:46:17+04:00", "utc": "2018-09-01T08:46:17Z", "ms": 1535791576843.2874 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-02", "window": { "start": { "local": "2018-09-02T11:57:58+04:00", "utc": "2018-09-02T07:57:58Z", "ms": 1535875077639.3271 }, "end": { "local": "2018-09-02T12:45:58+04:00", "utc": "2018-09-02T08:45:58Z", "ms": 1535877957639.3271 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:15 on Sat 1 Sep to 19:17 on Sun 2 Sep.", "fact": "2018-09-01T16:14:44Z → 2018-09-02T15:17:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 1st, 11:58–12:46 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23485 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Abu Dhabi, 2018: Sunday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-02", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śītalā Saptamī 2018 falls on Sunday 2 September. Saptamī runs from 20:15 on Sat 1 Sep to 19:17 on Sun 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-09-06", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16797, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-09-05T13:30:58+04:00", "utc": "2018-09-05T09:30:58Z", "ms": 1536139858454.8364 }, "end": { "local": "2018-09-06T10:45:31+04:00", "utc": "2018-09-06T06:45:31Z", "ms": 1536216330621.424 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-05T13:30:58+04:00", "utc": "2018-09-05T09:30:58Z", "ms": 1536139858454.8364 }, "end": { "local": "2018-09-06T10:45:31+04:00", "utc": "2018-09-06T06:45:31Z", "ms": 1536216330621.424 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-09-05", "window": { "start": { "local": "2018-09-05T06:05:12+04:00", "utc": "2018-09-05T02:05:12Z", "ms": 1536113112253.035 }, "end": { "local": "2018-09-05T06:05:12+04:00", "utc": "2018-09-05T02:05:12Z", "ms": 1536113112253.035 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-06", "window": { "start": { "local": "2018-09-06T06:05:34+04:00", "utc": "2018-09-06T02:05:34Z", "ms": 1536199533512.7183 }, "end": { "local": "2018-09-06T06:05:34+04:00", "utc": "2018-09-06T02:05:34Z", "ms": 1536199533512.7183 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:31 on Wed 5 Sep to 10:46 on Thu 6 Sep.", "fact": "2018-09-05T09:30:58Z → 2018-09-06T06:45:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 5th and 06:06 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": "priority: paraviddha → only-day · margin 16797 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Abu Dhabi, 2018: Thursday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-06", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Ajā Ekādaśī 2018 falls on Thursday 6 September. Ekādaśī runs from 13:31 on Wed 5 Sep to 10:46 on Thu 6 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-09-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-09-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30123, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-09-07T07:42:37+04:00", "utc": "2018-09-07T03:42:37Z", "ms": 1536291757497.336 }, "end": { "local": "2018-09-08T04:28:57+04:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-07T07:42:37+04:00", "utc": "2018-09-07T03:42:37Z", "ms": 1536291757497.336 }, "end": { "local": "2018-09-08T04:28:57+04:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-06", "window": { "start": { "local": "2018-09-06T18:35:43+04:00", "utc": "2018-09-06T14:35:43Z", "ms": 1536244543322.0156 }, "end": { "local": "2018-09-06T20:07:45+04:00", "utc": "2018-09-06T16:07:45Z", "ms": 1536250064838.656 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T18:34:41+04:00", "utc": "2018-09-07T14:34:41Z", "ms": 1536330881491.1792 }, "end": { "local": "2018-09-07T20:06:54+04:00", "utc": "2018-09-07T16:06:54Z", "ms": 1536336414067.344 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:43 on Fri 7 Sep to 04:29 on Sat 8 Sep.", "fact": "2018-09-07T03:42:37Z → 2018-09-08T00:28:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:08 on the 6th, 18:35–20:07 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 6th and 92 of 92 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30123 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Friday 7 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": "2018-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-07", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 7 September. Trayodaśī runs from 07:43 on Fri 7 Sep to 04:29 on Sat 8 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18376, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-08T04:28:57+04:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-09T01:12:19+04:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-08T04:28:57+04:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-09T01:12:19+04:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T18:34:41+04:00", "utc": "2018-09-07T14:34:41Z", "ms": 1536330881491.1792 }, "end": { "local": "2018-09-07T20:06:54+04:00", "utc": "2018-09-07T16:06:54Z", "ms": 1536336414067.344 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2018-09-08", "window": { "start": { "local": "2018-09-08T18:33:39+04:00", "utc": "2018-09-08T14:33:39Z", "ms": 1536417219374.882 }, "end": { "local": "2018-09-08T20:06:03+04:00", "utc": "2018-09-08T16:06:03Z", "ms": 1536422763040.3684 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:29 on Sat 8 Sep to 01:12 on Sun 9 Sep.", "fact": "2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:07 on the 7th, 18:34–20:06 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 7th and 92 of 92 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18376 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Abu Dhabi, 2018: Saturday 8 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": "2018-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-08", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Aghora Caturdaśī 2018 falls on Saturday 8 September. Caturdaśī runs from 04:29 on Sat 8 Sep to 01:12 on Sun 9 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/shivaratri?on=2018-09-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1691, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-08T04:28:57+04:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-09T01:12:19+04:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-08T04:28:57+04:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-09T01:12:19+04:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 } }, "kaala": "nishita", "days": [ { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T23:56:29+04:00", "utc": "2018-09-07T19:56:29Z", "ms": 1536350188651.797 }, "end": { "local": "2018-09-08T00:44:29+04:00", "utc": "2018-09-07T20:44:29Z", "ms": 1536353068651.797 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-08", "window": { "start": { "local": "2018-09-08T23:56:08+04:00", "utc": "2018-09-08T19:56:08Z", "ms": 1536436568120.456 }, "end": { "local": "2018-09-09T00:44:08+04:00", "utc": "2018-09-08T20:44:08Z", "ms": 1536439448120.456 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:29 on Sat 8 Sep to 01:12 on Sun 9 Sep.", "fact": "2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:56–00:44 on the 7th, 23:56–00:44 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1691 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Saturday 8 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": "2018-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-08", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Saturday 8 September. Caturdaśī runs from 04:29 on Sat 8 Sep to 01:12 on Sun 9 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-09-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22949, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-09-09T22:01:28+04:00", "utc": "2018-09-09T18:01:28Z", "ms": 1536516087831.1147 }, "end": { "local": "2018-09-10T19:05:46+04:00", "utc": "2018-09-10T15:05:46Z", "ms": 1536591945515.9116 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-09T22:01:28+04:00", "utc": "2018-09-09T18:01:28Z", "ms": 1536516087831.1147 }, "end": { "local": "2018-09-10T19:05:46+04:00", "utc": "2018-09-10T15:05:46Z", "ms": 1536591945515.9116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-09", "window": { "start": { "local": "2018-09-09T11:55:37+04:00", "utc": "2018-09-09T07:55:37Z", "ms": 1536479736930.1006 }, "end": { "local": "2018-09-09T12:43:37+04:00", "utc": "2018-09-09T08:43:37Z", "ms": 1536482616930.1006 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-10", "window": { "start": { "local": "2018-09-10T11:55:16+04:00", "utc": "2018-09-10T07:55:16Z", "ms": 1536566116117.2466 }, "end": { "local": "2018-09-10T12:43:16+04:00", "utc": "2018-09-10T08:43:16Z", "ms": 1536568996117.2466 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:01 on Sun 9 Sep to 19:06 on Mon 10 Sep.", "fact": "2018-09-09T18:01:28Z → 2018-09-10T15:05:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 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": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22949 s" }, { "step": "ruling", "text": "Rudra Vrata, Abu Dhabi, 2018: Monday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-10", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Rudra Vrata 2018 falls on Monday 10 September. Pratipadā runs from 22:01 on Sun 9 Sep to 19:06 on Mon 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6895, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-09-11T16:34:44+04:00", "utc": "2018-09-11T12:34:44Z", "ms": 1536669283697.1453 }, "end": { "local": "2018-09-12T14:37:29+04:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-11T16:34:44+04:00", "utc": "2018-09-11T12:34:44Z", "ms": 1536669283697.1453 }, "end": { "local": "2018-09-12T14:37:29+04:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-11", "window": { "start": { "local": "2018-09-11T11:54:55+04:00", "utc": "2018-09-11T07:54:55Z", "ms": 1536652495168.3286 }, "end": { "local": "2018-09-11T12:42:55+04:00", "utc": "2018-09-11T08:42:55Z", "ms": 1536655375168.3286 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-12", "window": { "start": { "local": "2018-09-12T11:54:34+04:00", "utc": "2018-09-12T07:54:34Z", "ms": 1536738874098.8555 }, "end": { "local": "2018-09-12T12:42:34+04:00", "utc": "2018-09-12T08:42:34Z", "ms": 1536741754098.8555 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:35 on Tue 11 Sep to 14:37 on Wed 12 Sep.", "fact": "2018-09-11T12:34:44Z → 2018-09-12T10:37:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 11th, 11:55–12:43 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6895 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Abu Dhabi, 2018: Wednesday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-12", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Haritālikā Vrata (Hartalika Teej) 2018 falls on Wednesday 12 September. Tṛtīyā runs from 16:35 on Tue 11 Sep to 14:37 on Wed 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2382, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-09-12T14:37:29+04:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "end": { "local": "2018-09-13T13:21:55+04:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-12T14:37:29+04:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "end": { "local": "2018-09-13T13:21:55+04:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-12", "window": { "start": { "local": "2018-09-12T11:54:34+04:00", "utc": "2018-09-12T07:54:34Z", "ms": 1536738874098.8555 }, "end": { "local": "2018-09-12T12:42:34+04:00", "utc": "2018-09-12T08:42:34Z", "ms": 1536741754098.8555 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-13", "window": { "start": { "local": "2018-09-13T11:54:13+04:00", "utc": "2018-09-13T07:54:13Z", "ms": 1536825252924.3523 }, "end": { "local": "2018-09-13T12:42:13+04:00", "utc": "2018-09-13T08:42:13Z", "ms": 1536828132924.3523 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:37 on Wed 12 Sep to 13:22 on Thu 13 Sep.", "fact": "2018-09-12T10:37:29Z → 2018-09-13T09:21:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 12th, 11:54–12:42 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 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2382 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Abu Dhabi, 2018: Thursday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Gaṇeśa Caturthī 2018 falls on Thursday 13 September. Caturthī runs from 14:37 on Wed 12 Sep to 13:22 on Thu 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 711, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-09-13T13:21:55+04:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "end": { "local": "2018-09-14T12:53:43+04:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-13T13:21:55+04:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "end": { "local": "2018-09-14T12:53:43+04:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-13", "window": { "start": { "local": "2018-09-13T11:54:13+04:00", "utc": "2018-09-13T07:54:13Z", "ms": 1536825252924.3523 }, "end": { "local": "2018-09-13T12:42:13+04:00", "utc": "2018-09-13T08:42:13Z", "ms": 1536828132924.3523 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-14", "window": { "start": { "local": "2018-09-14T11:53:52+04:00", "utc": "2018-09-14T07:53:52Z", "ms": 1536911631661.6904 }, "end": { "local": "2018-09-14T12:41:52+04:00", "utc": "2018-09-14T08:41:52Z", "ms": 1536914511661.6904 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:22 on Thu 13 Sep to 12:54 on Fri 14 Sep.", "fact": "2018-09-13T09:21:55Z → 2018-09-14T08:53:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 13th, 11:54–12:42 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 711 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Abu Dhabi, 2018: Friday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-14", "confidence": "boundary" } ], "quote": "In Abu Dhabi, Ṛṣi Pañcamī 2018 falls on Friday 14 September. Pañcamī runs from 13:22 on Thu 13 Sep to 12:54 on Fri 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 711, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-09-14T12:53:43+04:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "end": { "local": "2018-09-15T13:15:13+04:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-14T12:53:43+04:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "end": { "local": "2018-09-15T13:15:13+04:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-14", "window": { "start": { "local": "2018-09-14T11:53:52+04:00", "utc": "2018-09-14T07:53:52Z", "ms": 1536911631661.6904 }, "end": { "local": "2018-09-14T12:41:52+04:00", "utc": "2018-09-14T08:41:52Z", "ms": 1536914511661.6904 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-15", "window": { "start": { "local": "2018-09-15T11:53:30+04:00", "utc": "2018-09-15T07:53:30Z", "ms": 1536998010328.7915 }, "end": { "local": "2018-09-15T12:41:30+04:00", "utc": "2018-09-15T08:41:30Z", "ms": 1537000890328.7915 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:54 on Fri 14 Sep to 13:15 on Sat 15 Sep.", "fact": "2018-09-14T08:53:43Z → 2018-09-15T09:15:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 14th, 11:54–12:42 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 711 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Abu Dhabi, 2018: Saturday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-15", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Sūrya Ṣaṣṭhī (Bhādrapada) 2018 falls on Saturday 15 September. Ṣaṣṭhī runs from 12:54 on Fri 14 Sep to 13:15 on Sat 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2023, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-09-15T13:15:13+04:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "end": { "local": "2018-09-16T14:24:25+04:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-15T13:15:13+04:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "end": { "local": "2018-09-16T14:24:25+04:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-15", "window": { "start": { "local": "2018-09-15T11:53:30+04:00", "utc": "2018-09-15T07:53:30Z", "ms": 1536998010328.7915 }, "end": { "local": "2018-09-15T12:41:30+04:00", "utc": "2018-09-15T08:41:30Z", "ms": 1537000890328.7915 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-16", "window": { "start": { "local": "2018-09-16T11:53:09+04:00", "utc": "2018-09-16T07:53:09Z", "ms": 1537084388944.513 }, "end": { "local": "2018-09-16T12:41:09+04:00", "utc": "2018-09-16T08:41:09Z", "ms": 1537087268944.513 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:15 on Sat 15 Sep to 14:24 on Sun 16 Sep.", "fact": "2018-09-15T09:15:13Z → 2018-09-16T10:24:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 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": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2023 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Abu Dhabi, 2018: Sunday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-15", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Muktābharaṇa Vrata 2018 falls on Sunday 16 September. Saptamī runs from 13:15 on Sat 15 Sep to 14:24 on Sun 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6196, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-09-16T14:24:25+04:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "end": { "local": "2018-09-17T16:14:32+04:00", "utc": "2018-09-17T12:14:32Z", "ms": 1537186471983.9614 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-16T14:24:25+04:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "end": { "local": "2018-09-17T16:14:32+04:00", "utc": "2018-09-17T12:14:32Z", "ms": 1537186471983.9614 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-16", "window": { "start": { "local": "2018-09-16T11:53:09+04:00", "utc": "2018-09-16T07:53:09Z", "ms": 1537084388944.513 }, "end": { "local": "2018-09-16T12:41:09+04:00", "utc": "2018-09-16T08:41:09Z", "ms": 1537087268944.513 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-17", "window": { "start": { "local": "2018-09-17T11:52:48+04:00", "utc": "2018-09-17T07:52:48Z", "ms": 1537170767528.5156 }, "end": { "local": "2018-09-17T12:40:48+04:00", "utc": "2018-09-17T08:40:48Z", "ms": 1537173647528.5156 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:24 on Sun 16 Sep to 16:15 on Mon 17 Sep.", "fact": "2018-09-16T10:24:25Z → 2018-09-17T12:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 16th, 11:53–12:41 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6196 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Abu Dhabi, 2018: Monday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-17", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Rādhāṣṭamī 2018 falls on Monday 17 September. Aṣṭamī runs from 14:24 on Sun 16 Sep to 16:15 on Mon 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-09-20", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23056, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-09-19T21:09:57+04:00", "utc": "2018-09-19T17:09:57Z", "ms": 1537376997300.0315 }, "end": { "local": "2018-09-20T23:46:32+04:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-19T21:09:57+04:00", "utc": "2018-09-19T17:09:57Z", "ms": 1537376997300.0315 }, "end": { "local": "2018-09-20T23:46:32+04:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-09-20", "window": { "start": { "local": "2018-09-20T06:10:27+04:00", "utc": "2018-09-20T02:10:27Z", "ms": 1537409426772.1296 }, "end": { "local": "2018-09-20T06:10:27+04:00", "utc": "2018-09-20T02:10:27Z", "ms": 1537409426772.1296 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T06:10:48+04:00", "utc": "2018-09-21T02:10:48Z", "ms": 1537495847825.9822 }, "end": { "local": "2018-09-21T06:10:48+04:00", "utc": "2018-09-21T02:10:48Z", "ms": 1537495847825.9822 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:10 on Wed 19 Sep to 23:47 on Thu 20 Sep.", "fact": "2018-09-19T17:09:57Z → 2018-09-20T19:46:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 20th and 06:11 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23056 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Abu Dhabi, 2018: Thursday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-20", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Parivartanī Ekādaśī 2018 falls on Thursday 20 September. Ekādaśī runs from 21:10 on Wed 19 Sep to 23:47 on Thu 20 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-09-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34800, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-09-20T23:46:32+04:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "end": { "local": "2018-09-22T02:11:01+04:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-20T23:46:32+04:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "end": { "local": "2018-09-22T02:11:01+04:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T11:51:22+04:00", "utc": "2018-09-21T07:51:22Z", "ms": 1537516281962.6177 }, "end": { "local": "2018-09-21T12:39:22+04:00", "utc": "2018-09-21T08:39:22Z", "ms": 1537519161962.6177 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-22", "window": { "start": { "local": "2018-09-22T11:51:01+04:00", "utc": "2018-09-22T07:51:01Z", "ms": 1537602660704.059 }, "end": { "local": "2018-09-22T12:39:01+04:00", "utc": "2018-09-22T08:39:01Z", "ms": 1537605540704.059 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:47 on Thu 20 Sep to 02:11 on Sat 22 Sep.", "fact": "2018-09-20T19:46:32Z → 2018-09-21T22:11:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 21st, 11:51–12:39 on the 22nd.", "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 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": "priority: unstated → only-day · margin 34800 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Abu Dhabi, 2018: Friday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-21", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vāmana Jayantī 2018 falls on Friday 21 September. Dvādaśī runs from 23:47 on Thu 20 Sep to 02:11 on Sat 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-09-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22575, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-09-22T02:11:01+04:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "end": { "local": "2018-09-23T04:13:33+04:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-22T02:11:01+04:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "end": { "local": "2018-09-23T04:13:33+04:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T18:19:56+04:00", "utc": "2018-09-21T14:19:56Z", "ms": 1537539596099.2532 }, "end": { "local": "2018-09-21T19:54:46+04:00", "utc": "2018-09-21T15:54:46Z", "ms": 1537545285815.2817 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2018-09-22", "window": { "start": { "local": "2018-09-22T18:18:52+04:00", "utc": "2018-09-22T14:18:52Z", "ms": 1537625932438.6501 }, "end": { "local": "2018-09-22T19:53:53+04:00", "utc": "2018-09-22T15:53:53Z", "ms": 1537631633476.1235 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:11 on Sat 22 Sep to 04:14 on Sun 23 Sep.", "fact": "2018-09-21T22:11:01Z → 2018-09-23T00:13:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–19:55 on the 21st, 18:19–19:54 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 0 of 95 minutes on the 21st and 95 of 95 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22575 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Saturday 22 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": "2018-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Saturday 22 September. Trayodaśī runs from 02:11 on Sat 22 Sep to 04:14 on Sun 23 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1422, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-23T04:13:33+04:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "end": { "local": "2018-09-24T05:48:09+04:00", "utc": "2018-09-24T01:48:09Z", "ms": 1537753689242.162 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2018-09-23T04:13:33+04:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "end": { "local": "2018-09-24T05:48:09+04:00", "utc": "2018-09-24T01:48:09Z", "ms": 1537753689242.162 } }, "kaala": "udaya-3", "days": [ { "local_date": "2018-09-23", "window": { "start": { "local": "2018-09-23T06:11:30+04:00", "utc": "2018-09-23T02:11:30Z", "ms": 1537668690219.7 }, "end": { "local": "2018-09-23T08:36:46+04:00", "utc": "2018-09-23T04:36:46Z", "ms": 1537677405949.287 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "2018-09-24", "window": { "start": { "local": "2018-09-24T06:11:52+04:00", "utc": "2018-09-24T02:11:52Z", "ms": 1537755111594.35 }, "end": { "local": "2018-09-24T08:36:50+04:00", "utc": "2018-09-24T04:36:50Z", "ms": 1537763810358.492 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:14 on Sun 23 Sep to 05:48 on Mon 24 Sep.", "fact": "2018-09-23T00:13:33Z → 2018-09-24T01:48:09Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:12–08:37 on the 23rd, 06:12–08:37 on the 24th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 145 of 145 minutes on the 23rd and 0 of 145 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1422 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Abu Dhabi, 2018: Sunday 23 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": "2018-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-23", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Ananta Caturdaśī 2018 falls on Sunday 23 September. Caturdaśī runs from 04:14 on Sun 23 Sep to 05:48 on Mon 24 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-09-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35595, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-09-28T07:14:38+04:00", "utc": "2018-09-28T03:14:38Z", "ms": 1538104478302.8882 }, "end": { "local": "2018-09-29T06:34:01+04:00", "utc": "2018-09-29T02:34:01Z", "ms": 1538188440799.8599 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-09-28T07:14:38+04:00", "utc": "2018-09-28T03:14:38Z", "ms": 1538104478302.8882 }, "end": { "local": "2018-09-29T06:34:01+04:00", "utc": "2018-09-29T02:34:01Z", "ms": 1538188440799.8599 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-09-27", "window": { "start": { "local": "2018-09-27T20:00:21+04:00", "utc": "2018-09-27T16:00:21Z", "ms": 1538064021316.1208 }, "end": { "local": "2018-09-27T20:00:21+04:00", "utc": "2018-09-27T16:00:21Z", "ms": 1538064021316.1208 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-28", "window": { "start": { "local": "2018-09-28T20:40:46+04:00", "utc": "2018-09-28T16:40:46Z", "ms": 1538152846135.3196 }, "end": { "local": "2018-09-28T20:40:46+04:00", "utc": "2018-09-28T16:40:46Z", "ms": 1538152846135.3196 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:15 on Fri 28 Sep to 06:34 on Sat 29 Sep.", "fact": "2018-09-28T03:14:38Z → 2018-09-29T02:34:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:00 on the 27th and 20:41 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35595 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Friday 28 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": "2018-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-28", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Friday 28 September. Caturthī runs from 07:15 on Fri 28 Sep to 06:34 on Sat 29 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21730, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-09-30T05:33:37+04:00", "utc": "2018-09-30T01:33:37Z", "ms": 1538271217018.0454 }, "end": { "local": "2018-10-01T04:15:05+04:00", "utc": "2018-10-01T00:15:05Z", "ms": 1538352904691.5183 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-09-30T05:33:37+04:00", "utc": "2018-09-30T01:33:37Z", "ms": 1538271217018.0454 }, "end": { "local": "2018-10-01T04:15:05+04:00", "utc": "2018-10-01T00:15:05Z", "ms": 1538352904691.5183 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-09-29", "window": { "start": { "local": "2018-09-29T21:24:40+04:00", "utc": "2018-09-29T17:24:40Z", "ms": 1538241880024.0947 }, "end": { "local": "2018-09-29T21:24:40+04:00", "utc": "2018-09-29T17:24:40Z", "ms": 1538241880024.0947 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-30", "window": { "start": { "local": "2018-09-30T22:12:54+04:00", "utc": "2018-09-30T18:12:54Z", "ms": 1538331174455.229 }, "end": { "local": "2018-09-30T22:12:54+04:00", "utc": "2018-09-30T18:12:54Z", "ms": 1538331174455.229 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:34 on Sun 30 Sep to 04:15 on Mon 1 Oct.", "fact": "2018-09-30T01:33:37Z → 2018-10-01T00:15:05Z" }, { "step": "kaala", "text": "Moonrise is at 21:25 on the 29th and 22:13 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21730 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Abu Dhabi, 2018: Sunday 30 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": "2018-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-30", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Candra Ṣaṣṭhī 2018 falls on Sunday 30 September. Ṣaṣṭhī runs from 05:34 on Sun 30 Sep to 04:15 on Mon 1 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18126, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-02T02:39:25+04:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-03T00:47:26+04:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-02T02:39:25+04:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-03T00:47:26+04:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-01", "window": { "start": { "local": "2018-10-01T18:09:27+04:00", "utc": "2018-10-01T14:09:27Z", "ms": 1538402967015.1875 }, "end": { "local": "2018-10-01T19:46:10+04:00", "utc": "2018-10-01T15:46:10Z", "ms": 1538408769984.4177 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2018-10-02", "window": { "start": { "local": "2018-10-02T18:08:26+04:00", "utc": "2018-10-02T14:08:26Z", "ms": 1538489305558.6619 }, "end": { "local": "2018-10-02T19:45:20+04:00", "utc": "2018-10-02T15:45:20Z", "ms": 1538495119830.8145 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:39 on Tue 2 Oct to 00:47 on Wed 3 Oct.", "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:46 on the 1st, 18:08–19:45 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 97 minutes on the 1st and 97 of 97 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18126 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Abu Dhabi, 2018: Tuesday 2 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-02", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Jitāṣṭamī (Jitiya) 2018 falls on Tuesday 2 October. Aṣṭamī runs from 02:39 on Tue 2 Oct to 00:47 on Wed 3 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2628, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-02T02:39:25+04:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-03T00:47:26+04:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-02T02:39:25+04:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-03T00:47:26+04:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-01", "window": { "start": { "local": "2018-10-01T23:05:58+04:00", "utc": "2018-10-01T19:05:58Z", "ms": 1538420757612.1868 }, "end": { "local": "2018-10-01T23:05:58+04:00", "utc": "2018-10-01T19:05:58Z", "ms": 1538420757612.1868 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-02", "window": { "start": { "local": "2018-10-03T00:03:38+04:00", "utc": "2018-10-02T20:03:38Z", "ms": 1538510617931.4924 }, "end": { "local": "2018-10-03T00:03:38+04:00", "utc": "2018-10-02T20:03:38Z", "ms": 1538510617931.4924 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:39 on Tue 2 Oct to 00:47 on Wed 3 Oct.", "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z" }, { "step": "kaala", "text": "Moonrise is at 23:06 on the 1st and 00:04 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2628 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Abu Dhabi, 2018: Tuesday 2 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-02", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Mahālakṣmī Vrata Samāpana 2018 falls on Tuesday 2 October. Aṣṭamī runs from 02:39 on Tue 2 Oct to 00:47 on Wed 3 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-10-05", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35803, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-10-04T20:19:17+04:00", "utc": "2018-10-04T16:19:17Z", "ms": 1538669957162.1123 }, "end": { "local": "2018-10-05T17:47:55+04:00", "utc": "2018-10-05T13:47:55Z", "ms": 1538747275036.1294 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-04T20:19:17+04:00", "utc": "2018-10-04T16:19:17Z", "ms": 1538669957162.1123 }, "end": { "local": "2018-10-05T17:47:55+04:00", "utc": "2018-10-05T13:47:55Z", "ms": 1538747275036.1294 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-10-05", "window": { "start": { "local": "2018-10-05T06:16:00+04:00", "utc": "2018-10-05T02:16:00Z", "ms": 1538705760133.787 }, "end": { "local": "2018-10-05T06:16:00+04:00", "utc": "2018-10-05T02:16:00Z", "ms": 1538705760133.787 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-10-06", "window": { "start": { "local": "2018-10-06T06:16:24+04:00", "utc": "2018-10-06T02:16:24Z", "ms": 1538792184374.8433 }, "end": { "local": "2018-10-06T06:16:24+04:00", "utc": "2018-10-06T02:16:24Z", "ms": 1538792184374.8433 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:19 on Thu 4 Oct to 17:48 on Fri 5 Oct.", "fact": "2018-10-04T16:19:17Z → 2018-10-05T13:47:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 5th and 06:16 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35803 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Abu Dhabi, 2018: Friday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-05", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Indirā Ekādaśī 2018 falls on Friday 5 October. Ekādaśī runs from 20:19 on Thu 4 Oct to 17:48 on Fri 5 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-10-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10437, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-10-06T15:10:26+04:00", "utc": "2018-10-06T11:10:26Z", "ms": 1538824226432.8416 }, "end": { "local": "2018-10-07T12:32:46+04:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-06T15:10:26+04:00", "utc": "2018-10-06T11:10:26Z", "ms": 1538824226432.8416 }, "end": { "local": "2018-10-07T12:32:46+04:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-06", "window": { "start": { "local": "2018-10-06T18:04:24+04:00", "utc": "2018-10-06T14:04:24Z", "ms": 1538834663763.366 }, "end": { "local": "2018-10-06T19:42:03+04:00", "utc": "2018-10-06T15:42:03Z", "ms": 1538840523120.868 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2018-10-07", "window": { "start": { "local": "2018-10-07T18:03:24+04:00", "utc": "2018-10-07T14:03:24Z", "ms": 1538921004447.5132 }, "end": { "local": "2018-10-07T19:41:15+04:00", "utc": "2018-10-07T15:41:15Z", "ms": 1538926875034.6765 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:10 on Sat 6 Oct to 12:33 on Sun 7 Oct.", "fact": "2018-10-06T11:10:26Z → 2018-10-07T08:32:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:42 on the 6th, 18:03–19:41 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 6th and 0 of 98 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10437 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Saturday 6 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": "2018-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-06", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 6 October. Trayodaśī runs from 15:10 on Sat 6 Oct to 12:33 on Sun 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shivaratri?on=2018-10-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34070, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-10-07T12:32:46+04:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "end": { "local": "2018-10-08T10:02:09+04:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-07T12:32:46+04:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "end": { "local": "2018-10-08T10:02:09+04:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 } }, "kaala": "nishita", "days": [ { "local_date": "2018-10-06", "window": { "start": { "local": "2018-10-06T23:46:36+04:00", "utc": "2018-10-06T19:46:36Z", "ms": 1538855196353.9985 }, "end": { "local": "2018-10-07T00:34:36+04:00", "utc": "2018-10-06T20:34:36Z", "ms": 1538858076353.9985 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-10-07", "window": { "start": { "local": "2018-10-07T23:46:19+04:00", "utc": "2018-10-07T19:46:19Z", "ms": 1538941579149.3757 }, "end": { "local": "2018-10-08T00:34:19+04:00", "utc": "2018-10-07T20:34:19Z", "ms": 1538944459149.3757 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:33 on Sun 7 Oct to 10:02 on Mon 8 Oct.", "fact": "2018-10-07T08:32:46Z → 2018-10-08T06:02:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 6th, 23:46–00:34 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34070 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Sunday 7 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": "2018-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-07", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Sunday 7 October. Caturdaśī runs from 12:33 on Sun 7 Oct to 10:02 on Mon 8 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11892, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-10-08T10:02:09+04:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "end": { "local": "2018-10-09T07:46:51+04:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-08T10:02:09+04:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "end": { "local": "2018-10-09T07:46:51+04:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 } }, "kaala": "aparahna", "days": [ { "local_date": "2018-10-08", "window": { "start": { "local": "2018-10-08T13:20:21+04:00", "utc": "2018-10-08T09:20:21Z", "ms": 1538990420919.7666 }, "end": { "local": "2018-10-08T15:41:23+04:00", "utc": "2018-10-08T11:41:23Z", "ms": 1538998883275.9426 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "2018-10-09", "window": { "start": { "local": "2018-10-09T13:19:56+04:00", "utc": "2018-10-09T09:19:56Z", "ms": 1539076796044.7944 }, "end": { "local": "2018-10-09T15:40:42+04:00", "utc": "2018-10-09T11:40:42Z", "ms": 1539085241692.4114 } }, "covered_min": 0, "window_min": 141, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 10:02 on Mon 8 Oct to 07:47 on Tue 9 Oct.", "fact": "2018-10-08T06:02:09Z → 2018-10-09T03:46:51Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:20–15:41 on the 8th, 13:20–15:41 on the 9th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 141 of 141 minutes on the 8th and 0 of 141 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11892 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Abu Dhabi, 2018: Monday 8 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": "2018-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-08", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Mahālaya Amāvāsyā 2018 falls on Monday 8 October. Amāvasyā runs from 10:02 on Mon 8 Oct to 07:47 on Tue 9 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14323, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-10-09T07:46:51+04:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "end": { "local": "2018-10-10T05:55:36+04:00", "utc": "2018-10-10T01:55:36Z", "ms": 1539136535822.0413 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-09T07:46:51+04:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "end": { "local": "2018-10-10T05:55:36+04:00", "utc": "2018-10-10T01:55:36Z", "ms": 1539136535822.0413 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-09", "window": { "start": { "local": "2018-10-09T11:45:33+04:00", "utc": "2018-10-09T07:45:33Z", "ms": 1539071133220.986 }, "end": { "local": "2018-10-09T12:33:33+04:00", "utc": "2018-10-09T08:33:33Z", "ms": 1539074013220.986 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-10", "window": { "start": { "local": "2018-10-10T11:45:17+04:00", "utc": "2018-10-10T07:45:17Z", "ms": 1539157517148.8691 }, "end": { "local": "2018-10-10T12:33:17+04:00", "utc": "2018-10-10T08:33:17Z", "ms": 1539160397148.8691 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:47 on Tue 9 Oct to 05:56 on Wed 10 Oct.", "fact": "2018-10-09T03:46:51Z → 2018-10-10T01:55:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 9th, 11:45–12:33 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14323 s" }, { "step": "ruling", "text": "Navarātrārambha, Abu Dhabi, 2018: Tuesday 9 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-09", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Navarātrārambha (Navratri) 2018 falls on Tuesday 9 October. Pratipadā runs from 07:47 on Tue 9 Oct to 05:56 on Wed 10 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-10-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27573, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-12T03:58:24+04:00", "utc": "2018-10-11T23:58:24Z", "ms": 1539302303663.2517 }, "end": { "local": "2018-10-13T04:04:59+04:00", "utc": "2018-10-13T00:04:59Z", "ms": 1539389099123.9595 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-12T03:58:24+04:00", "utc": "2018-10-11T23:58:24Z", "ms": 1539302303663.2517 }, "end": { "local": "2018-10-13T04:04:59+04:00", "utc": "2018-10-13T00:04:59Z", "ms": 1539389099123.9595 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-12", "window": { "start": { "local": "2018-10-12T11:44:46+04:00", "utc": "2018-10-12T07:44:46Z", "ms": 1539330286410.713 }, "end": { "local": "2018-10-12T12:32:46+04:00", "utc": "2018-10-12T08:32:46Z", "ms": 1539333166410.713 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-13", "window": { "start": { "local": "2018-10-13T11:44:32+04:00", "utc": "2018-10-13T07:44:32Z", "ms": 1539416671775.8438 }, "end": { "local": "2018-10-13T12:32:32+04:00", "utc": "2018-10-13T08:32:32Z", "ms": 1539419551775.8438 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:58 on Fri 12 Oct to 04:05 on Sat 13 Oct.", "fact": "2018-10-11T23:58:24Z → 2018-10-13T00:04:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 12th, 11:45–12:33 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27573 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Friday 12 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-12", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Friday 12 October. Caturthī runs from 03:58 on Fri 12 Oct to 04:05 on Sat 13 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 883, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-10-15T06:35:01+04:00", "utc": "2018-10-15T02:35:01Z", "ms": 1539570900763.333 }, "end": { "local": "2018-10-16T08:46:42+04:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-15T06:35:01+04:00", "utc": "2018-10-15T02:35:01Z", "ms": 1539570900763.333 }, "end": { "local": "2018-10-16T08:46:42+04:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 } }, "kaala": "udaya-1", "days": [ { "local_date": "2018-10-15", "window": { "start": { "local": "2018-10-15T06:20:18+04:00", "utc": "2018-10-15T02:20:18Z", "ms": 1539570018211.3503 }, "end": { "local": "2018-10-15T07:06:40+04:00", "utc": "2018-10-15T03:06:40Z", "ms": 1539572800323.9666 } }, "covered_min": 32, "window_min": 46, "qualifies": false }, { "local_date": "2018-10-16", "window": { "start": { "local": "2018-10-16T06:20:46+04:00", "utc": "2018-10-16T02:20:46Z", "ms": 1539656446063.3655 }, "end": { "local": "2018-10-16T07:07:03+04:00", "utc": "2018-10-16T03:07:03Z", "ms": 1539659222722.219 } }, "covered_min": 46, "window_min": 46, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:35 on Mon 15 Oct to 08:47 on Tue 16 Oct.", "fact": "2018-10-15T02:35:01Z → 2018-10-16T04:46:42Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:20–07:07 on the 15th, 06:21–07:07 on the 16th.", "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 32 of 46 minutes on the 15th and 46 of 46 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 883 s" }, { "step": "ruling", "text": "Durgā Saptamī, Abu Dhabi, 2018: Tuesday 16 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": "2018-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-16", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Durgā Saptamī 2018 falls on Tuesday 16 October. Saptamī runs from 06:35 on Mon 15 Oct to 08:47 on Tue 16 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1412, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-16T08:46:42+04:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "end": { "local": "2018-10-17T11:20:06+04:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-16T08:46:42+04:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "end": { "local": "2018-10-17T11:20:06+04:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-16", "window": { "start": { "local": "2018-10-16T11:43:51+04:00", "utc": "2018-10-16T07:43:51Z", "ms": 1539675831004.7676 }, "end": { "local": "2018-10-16T12:31:51+04:00", "utc": "2018-10-16T08:31:51Z", "ms": 1539678711004.7676 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-17", "window": { "start": { "local": "2018-10-17T11:43:39+04:00", "utc": "2018-10-17T07:43:39Z", "ms": 1539762218515.7258 }, "end": { "local": "2018-10-17T12:31:39+04:00", "utc": "2018-10-17T08:31:39Z", "ms": 1539765098515.7258 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:47 on Tue 16 Oct to 11:20 on Wed 17 Oct.", "fact": "2018-10-16T04:46:42Z → 2018-10-17T07:20:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 16th, 11:44–12:32 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1412 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Abu Dhabi, 2018: Tuesday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-17", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Mahāṣṭamī (Durga Ashtami) 2018 falls on Tuesday 16 October. Aṣṭamī runs from 08:47 on Tue 16 Oct to 11:20 on Wed 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1412, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-10-17T11:20:06+04:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "end": { "local": "2018-10-18T13:59:05+04:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-17T11:20:06+04:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "end": { "local": "2018-10-18T13:59:05+04:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-17", "window": { "start": { "local": "2018-10-17T11:43:39+04:00", "utc": "2018-10-17T07:43:39Z", "ms": 1539762218515.7258 }, "end": { "local": "2018-10-17T12:31:39+04:00", "utc": "2018-10-17T08:31:39Z", "ms": 1539765098515.7258 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-18", "window": { "start": { "local": "2018-10-18T11:43:27+04:00", "utc": "2018-10-18T07:43:27Z", "ms": 1539848606606.3423 }, "end": { "local": "2018-10-18T12:31:27+04:00", "utc": "2018-10-18T08:31:27Z", "ms": 1539851486606.3423 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:20 on Wed 17 Oct to 13:59 on Thu 18 Oct.", "fact": "2018-10-17T07:20:06Z → 2018-10-18T09:59:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 17th, 11:43–12:31 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1412 s" }, { "step": "ruling", "text": "Mahānavamī, Abu Dhabi, 2018: Wednesday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-17", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Mahānavamī 2018 falls on Wednesday 17 October. Navamī runs from 11:20 on Wed 17 Oct to 13:59 on Thu 18 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14045, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2018-10-18T13:59:05+04:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "end": { "local": "2018-10-19T16:27:23+04:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2018-10-18T13:59:05+04:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "end": { "local": "2018-10-18T23:03:44+04:00", "utc": "2018-10-18T19:03:44Z", "ms": 1539889424220.0352 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2018-10-17T19:58:15+04:00", "utc": "2018-10-17T15:58:15Z", "ms": 1539791895275.3225 }, "end": { "local": "2018-10-18T23:03:44+04:00", "utc": "2018-10-18T19:03:44Z", "ms": 1539889424220.0352 } } }, "kaala": "daytime", "days": [ { "local_date": "2018-10-18", "window": { "start": { "local": "2018-10-18T06:21:43+04:00", "utc": "2018-10-18T02:21:43Z", "ms": 1539829302979.5461 }, "end": { "local": "2018-10-18T17:53:10+04:00", "utc": "2018-10-18T13:53:10Z", "ms": 1539870790233.1384 } }, "covered_min": 234, "window_min": 691, "qualifies": true }, { "local_date": "2018-10-19", "window": { "start": { "local": "2018-10-19T06:22:12+04:00", "utc": "2018-10-19T02:22:12Z", "ms": 1539915732059.508 }, "end": { "local": "2018-10-19T17:52:19+04:00", "utc": "2018-10-19T13:52:19Z", "ms": 1539957138528.9844 } }, "covered_min": 0, "window_min": 690, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 13:59 on Thu 18 Oct to 16:27 on Fri 19 Oct, and Śravaṇa from 19:58 on Wed 17 Oct to 23:04 on Thu 18 Oct. They are together from 13:59 on Thu 18 Oct to 23:04 on Thu 18 Oct.", "fact": "2018-10-18T09:59:05Z → 2018-10-18T19:03:44Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:22–17:53 on the 18th, 06:22–17:52 on the 19th.", "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 234 of 691 minutes on the 18th and 0 of 690 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14045 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Abu Dhabi, 2018: Thursday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-18", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vijayā Daśamī (Dussehra) 2018 falls on Thursday 18 October. Daśamī runs from 13:59 on Thu 18 Oct to 16:27 on Fri 19 Oct and is with Śravaṇa in the day time that day, for 234 minutes.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-10-20", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36311, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-10-19T16:27:23+04:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "end": { "local": "2018-10-20T18:31:14+04:00", "utc": "2018-10-20T14:31:14Z", "ms": 1540045874488.9607 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-19T16:27:23+04:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "end": { "local": "2018-10-20T18:31:14+04:00", "utc": "2018-10-20T14:31:14Z", "ms": 1540045874488.9607 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-10-19", "window": { "start": { "local": "2018-10-19T06:22:12+04:00", "utc": "2018-10-19T02:22:12Z", "ms": 1539915732059.508 }, "end": { "local": "2018-10-19T06:22:12+04:00", "utc": "2018-10-19T02:22:12Z", "ms": 1539915732059.508 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-20", "window": { "start": { "local": "2018-10-20T06:22:42+04:00", "utc": "2018-10-20T02:22:42Z", "ms": 1540002161564.5393 }, "end": { "local": "2018-10-20T06:22:42+04:00", "utc": "2018-10-20T02:22:42Z", "ms": 1540002161564.5393 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:27 on Fri 19 Oct to 18:31 on Sat 20 Oct.", "fact": "2018-10-19T12:27:23Z → 2018-10-20T14:31:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 19th and 06:23 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36311 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Abu Dhabi, 2018: Saturday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-20", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Pāśāṅkuśā Ekādaśī 2018 falls on Saturday 20 October. Ekādaśī runs from 16:27 on Fri 19 Oct to 18:31 on Sat 20 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-10-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1815, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-10-21T20:01:17+04:00", "utc": "2018-10-21T16:01:17Z", "ms": 1540137676959.2722 }, "end": { "local": "2018-10-22T20:53:04+04:00", "utc": "2018-10-22T16:53:04Z", "ms": 1540227184150.2834 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2018-10-21T20:01:17+04:00", "utc": "2018-10-21T16:01:17Z", "ms": 1540137676959.2722 }, "end": { "local": "2018-10-22T20:53:04+04:00", "utc": "2018-10-22T16:53:04Z", "ms": 1540227184150.2834 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-21", "window": { "start": { "local": "2018-10-21T17:50:38+04:00", "utc": "2018-10-21T13:50:38Z", "ms": 1540129837563.5508 }, "end": { "local": "2018-10-21T19:31:02+04:00", "utc": "2018-10-21T15:31:02Z", "ms": 1540135862139.2324 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2018-10-22", "window": { "start": { "local": "2018-10-22T17:49:48+04:00", "utc": "2018-10-22T13:49:48Z", "ms": 1540216188358.2996 }, "end": { "local": "2018-10-22T19:30:24+04:00", "utc": "2018-10-22T15:30:24Z", "ms": 1540222223604.9863 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:01 on Sun 21 Oct to 20:53 on Mon 22 Oct.", "fact": "2018-10-21T16:01:17Z → 2018-10-22T16:53:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:31 on the 21st, 17:50–19:30 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 0 of 100 minutes on the 21st and 101 of 101 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1815 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Monday 22 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": "2018-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-22", "confidence": "boundary" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Monday 22 October. Trayodaśī runs from 20:01 on Sun 21 Oct to 20:53 on Mon 22 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10854, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-27T17:08:13+04:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T15:24:48+04:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-10-27T17:08:13+04:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T15:24:48+04:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-27", "window": { "start": { "local": "2018-10-27T20:09:06+04:00", "utc": "2018-10-27T16:09:06Z", "ms": 1540656546355.5024 }, "end": { "local": "2018-10-27T20:09:06+04:00", "utc": "2018-10-27T16:09:06Z", "ms": 1540656546355.5024 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-10-28", "window": { "start": { "local": "2018-10-28T21:01:27+04:00", "utc": "2018-10-28T17:01:27Z", "ms": 1540746087115.6697 }, "end": { "local": "2018-10-28T21:01:27+04:00", "utc": "2018-10-28T17:01:27Z", "ms": 1540746087115.6697 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:08 on Sat 27 Oct to 15:25 on Sun 28 Oct.", "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z" }, { "step": "kaala", "text": "Moonrise is at 20:09 on the 27th and 21:01 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10854 s" }, { "step": "ruling", "text": "Karaka Caturthī, Abu Dhabi, 2018: Saturday 27 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": "2018-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Karaka Caturthī (Karwa Chauth) 2018 falls on Saturday 27 October. Caturthī runs from 17:08 on Sat 27 Oct to 15:25 on Sun 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-10-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10854, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-27T17:08:13+04:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T15:24:48+04:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-10-27T17:08:13+04:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T15:24:48+04:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-27", "window": { "start": { "local": "2018-10-27T20:09:06+04:00", "utc": "2018-10-27T16:09:06Z", "ms": 1540656546355.5024 }, "end": { "local": "2018-10-27T20:09:06+04:00", "utc": "2018-10-27T16:09:06Z", "ms": 1540656546355.5024 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-10-28", "window": { "start": { "local": "2018-10-28T21:01:27+04:00", "utc": "2018-10-28T17:01:27Z", "ms": 1540746087115.6697 }, "end": { "local": "2018-10-28T21:01:27+04:00", "utc": "2018-10-28T17:01:27Z", "ms": 1540746087115.6697 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:08 on Sat 27 Oct to 15:25 on Sun 28 Oct.", "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z" }, { "step": "kaala", "text": "Moonrise is at 20:09 on the 27th and 21:01 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10854 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Saturday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-27", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Saturday 27 October. Caturthī runs from 17:08 on Sat 27 Oct to 15:25 on Sun 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27574, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-31T09:40:05+04:00", "utc": "2018-10-31T05:40:05Z", "ms": 1540964404659.8496 }, "end": { "local": "2018-11-01T07:40:17+04:00", "utc": "2018-11-01T03:40:17Z", "ms": 1541043616981.3337 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-10-31T09:40:05+04:00", "utc": "2018-10-31T05:40:05Z", "ms": 1540964404659.8496 }, "end": { "local": "2018-11-01T07:40:17+04:00", "utc": "2018-11-01T03:40:17Z", "ms": 1541043616981.3337 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-30", "window": { "start": { "local": "2018-10-30T22:58:31+04:00", "utc": "2018-10-30T18:58:31Z", "ms": 1540925911362.1 }, "end": { "local": "2018-10-30T22:58:31+04:00", "utc": "2018-10-30T18:58:31Z", "ms": 1540925911362.1 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-31", "window": { "start": { "local": "2018-11-01T00:00:43+04:00", "utc": "2018-10-31T20:00:43Z", "ms": 1541016042950.2324 }, "end": { "local": "2018-11-01T00:00:43+04:00", "utc": "2018-10-31T20:00:43Z", "ms": 1541016042950.2324 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:40 on Wed 31 Oct to 07:40 on Thu 1 Nov.", "fact": "2018-10-31T05:40:05Z → 2018-11-01T03:40:17Z" }, { "step": "kaala", "text": "Moonrise is at 22:59 on the 30th and 00:01 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27574 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Abu Dhabi, 2018: Wednesday 31 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": "2018-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-31", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Ahoyī Aṣṭamī 2018 falls on Wednesday 31 October. Aṣṭamī runs from 09:40 on Wed 31 Oct to 07:40 on Thu 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-11-03", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10199, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-11-03T03:40:24+04:00", "utc": "2018-11-02T23:40:24Z", "ms": 1541202024040.4907 }, "end": { "local": "2018-11-04T01:44:07+04:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-03T03:40:24+04:00", "utc": "2018-11-02T23:40:24Z", "ms": 1541202024040.4907 }, "end": { "local": "2018-11-04T01:44:07+04:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-11-03", "window": { "start": { "local": "2018-11-03T06:30:23+04:00", "utc": "2018-11-03T02:30:23Z", "ms": 1541212223180.7488 }, "end": { "local": "2018-11-03T06:30:23+04:00", "utc": "2018-11-03T02:30:23Z", "ms": 1541212223180.7488 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T06:31:00+04:00", "utc": "2018-11-04T02:31:00Z", "ms": 1541298659753.762 }, "end": { "local": "2018-11-04T06:31:00+04:00", "utc": "2018-11-04T02:31:00Z", "ms": 1541298659753.762 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:40 on Sat 3 Nov to 01:44 on Sun 4 Nov.", "fact": "2018-11-02T23:40:24Z → 2018-11-03T21:44:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 3rd and 06:31 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10199 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Abu Dhabi, 2018: Saturday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-03", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Ramā Ekādaśī 2018 falls on Saturday 3 November. Ekādaśī runs from 03:40 on Sat 3 Nov to 01:44 on Sun 4 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16274, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-11-04T01:44:07+04:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "end": { "local": "2018-11-04T23:54:41+04:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-04T01:44:07+04:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "end": { "local": "2018-11-04T23:54:41+04:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-03", "window": { "start": { "local": "2018-11-03T17:41:15+04:00", "utc": "2018-11-03T13:41:15Z", "ms": 1541252475276.3113 }, "end": { "local": "2018-11-03T19:23:53+04:00", "utc": "2018-11-03T15:23:53Z", "ms": 1541258633206.638 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T17:40:40+04:00", "utc": "2018-11-04T13:40:40Z", "ms": 1541338839763.4534 }, "end": { "local": "2018-11-04T19:23:27+04:00", "utc": "2018-11-04T15:23:27Z", "ms": 1541345007366.585 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:44 on Sun 4 Nov to 23:55 on Sun 4 Nov.", "fact": "2018-11-03T21:44:07Z → 2018-11-04T19:54:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:24 on the 3rd, 17:41–19:23 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 3rd and 103 of 103 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16274 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Abu Dhabi, 2018: Sunday 4 November.", "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": "2018-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-04", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Govatsa Dvādaśī (Vasu Baras) 2018 falls on Sunday 4 November. Dvādaśī runs from 01:44 on Sun 4 Nov to 23:55 on Sun 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10441, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-04T23:54:41+04:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T22:17:04+04:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-04T23:54:41+04:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T22:17:04+04:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T17:40:40+04:00", "utc": "2018-11-04T13:40:40Z", "ms": 1541338839763.4534 }, "end": { "local": "2018-11-04T19:23:27+04:00", "utc": "2018-11-04T15:23:27Z", "ms": 1541345007366.585 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T17:40:05+04:00", "utc": "2018-11-05T13:40:05Z", "ms": 1541425205469.9282 }, "end": { "local": "2018-11-05T19:23:03+04:00", "utc": "2018-11-05T15:23:03Z", "ms": 1541431382643.014 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:55 on Sun 4 Nov to 22:17 on Mon 5 Nov.", "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:23 on the 4th, 17:40–19:23 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 4th and 103 of 103 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10441 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Abu Dhabi, 2018: Monday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-05", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Yama Dīpadāna 2018 falls on Monday 5 November. Trayodaśī runs from 23:55 on Sun 4 Nov to 22:17 on Mon 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-11-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10441, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-04T23:54:41+04:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T22:17:04+04:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-04T23:54:41+04:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T22:17:04+04:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T17:40:40+04:00", "utc": "2018-11-04T13:40:40Z", "ms": 1541338839763.4534 }, "end": { "local": "2018-11-04T19:23:27+04:00", "utc": "2018-11-04T15:23:27Z", "ms": 1541345007366.585 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T17:40:05+04:00", "utc": "2018-11-05T13:40:05Z", "ms": 1541425205469.9282 }, "end": { "local": "2018-11-05T19:23:03+04:00", "utc": "2018-11-05T15:23:03Z", "ms": 1541431382643.014 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:55 on Sun 4 Nov to 22:17 on Mon 5 Nov.", "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:23 on the 4th, 17:40–19:23 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 4th and 103 of 103 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10441 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Monday 5 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": "2018-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-05", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 5 November. Trayodaśī runs from 23:55 on Sun 4 Nov to 22:17 on Mon 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shivaratri?on=2018-11-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5106, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-11-05T22:17:04+04:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T20:57:18+04:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-05T22:17:04+04:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T20:57:18+04:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T23:42:10+04:00", "utc": "2018-11-05T19:42:10Z", "ms": 1541446929868.999 }, "end": { "local": "2018-11-06T00:30:10+04:00", "utc": "2018-11-05T20:30:10Z", "ms": 1541449809868.999 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T23:42:12+04:00", "utc": "2018-11-06T19:42:12Z", "ms": 1541533332298.4272 }, "end": { "local": "2018-11-07T00:30:12+04:00", "utc": "2018-11-06T20:30:12Z", "ms": 1541536212298.4272 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:17 on Mon 5 Nov to 20:57 on Tue 6 Nov.", "fact": "2018-11-05T18:17:04Z → 2018-11-06T16:57:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 5th, 23:42–00:30 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5106 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Monday 5 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": "2018-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-05", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Monday 5 November. Caturdaśī runs from 22:17 on Mon 5 Nov to 20:57 on Tue 6 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23533, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-11-05T22:17:04+04:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T20:57:18+04:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-05T22:17:04+04:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T20:57:18+04:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T04:49:17+04:00", "utc": "2018-11-06T00:49:17Z", "ms": 1541465357094.9844 }, "end": { "local": "2018-11-06T06:32:14+04:00", "utc": "2018-11-06T02:32:14Z", "ms": 1541471534268.07 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T04:49:46+04:00", "utc": "2018-11-07T00:49:46Z", "ms": 1541551785547.306 }, "end": { "local": "2018-11-07T06:32:52+04:00", "utc": "2018-11-07T02:32:52Z", "ms": 1541557972183.262 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:17 on Mon 5 Nov to 20:57 on Tue 6 Nov.", "fact": "2018-11-05T18:17:04Z → 2018-11-06T16:57:18Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:49–06:32 on the 6th, 04:50–06:33 on the 7th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 103 of 103 minutes on the 6th and 0 of 103 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23533 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Abu Dhabi, 2018: Tuesday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-06", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Naraka Caturdaśī (Choti Diwali) 2018 falls on Tuesday 6 November. Caturdaśī runs from 22:17 on Mon 5 Nov to 20:57 on Tue 6 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9895, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-11-06T20:57:18+04:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-06T20:57:18+04:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T23:42:12+04:00", "utc": "2018-11-06T19:42:12Z", "ms": 1541533332298.4272 }, "end": { "local": "2018-11-07T00:30:12+04:00", "utc": "2018-11-06T20:30:12Z", "ms": 1541536212298.4272 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T23:42:16+04:00", "utc": "2018-11-07T19:42:16Z", "ms": 1541619735564.3042 }, "end": { "local": "2018-11-08T00:30:16+04:00", "utc": "2018-11-07T20:30:16Z", "ms": 1541622615564.3042 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 20:57 on Tue 6 Nov to 20:02 on Wed 7 Nov.", "fact": "2018-11-06T16:57:18Z → 2018-11-07T16:02:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 6th, 23:42–00:30 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9895 s" }, { "step": "ruling", "text": "Kālī Pūjā, Abu Dhabi, 2018: Tuesday 6 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": "2018-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-06", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kālī Pūjā 2018 falls on Tuesday 6 November. Amāvasyā runs from 20:57 on Tue 6 Nov to 20:02 on Wed 7 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2386, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-11-06T20:57:18+04:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-06T20:57:18+04:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T17:39:32+04:00", "utc": "2018-11-06T13:39:32Z", "ms": 1541511572413.5923 }, "end": { "local": "2018-11-06T19:22:39+04:00", "utc": "2018-11-06T15:22:39Z", "ms": 1541517759049.5483 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T17:39:01+04:00", "utc": "2018-11-07T13:39:01Z", "ms": 1541597940611.417 }, "end": { "local": "2018-11-07T19:22:17+04:00", "utc": "2018-11-07T15:22:17Z", "ms": 1541604136598.8535 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 20:57 on Tue 6 Nov to 20:02 on Wed 7 Nov.", "fact": "2018-11-06T16:57:18Z → 2018-11-07T16:02:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:23 on the 6th, 17:39–19:22 on the 7th.", "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 103 minutes on the 6th and 103 of 103 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2386 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Abu Dhabi, 2018: Wednesday 7 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": "2018-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-07", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Lakṣmī Pūjā (Diwali) 2018 falls on Wednesday 7 November. Amāvasyā runs from 20:57 on Tue 6 Nov to 20:02 on Wed 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25673, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T19:37:53+04:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T19:37:53+04:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T11:41:56+04:00", "utc": "2018-11-07T07:41:56Z", "ms": 1541576516397.3394 }, "end": { "local": "2018-11-07T12:29:56+04:00", "utc": "2018-11-07T08:29:56Z", "ms": 1541579396397.3394 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T11:42:00+04:00", "utc": "2018-11-08T07:42:00Z", "ms": 1541662920298.478 }, "end": { "local": "2018-11-08T12:30:00+04:00", "utc": "2018-11-08T08:30:00Z", "ms": 1541665800298.478 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:02 on Wed 7 Nov to 19:38 on Thu 8 Nov.", "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 7th, 11:42–12:30 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25673 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Abu Dhabi, 2018: Thursday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-08", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Govardhana Pūjā 2018 falls on Thursday 8 November. Pratipadā runs from 20:02 on Wed 7 Nov to 19:38 on Thu 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 958, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T19:37:53+04:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T19:37:53+04:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T17:39:01+04:00", "utc": "2018-11-07T13:39:01Z", "ms": 1541597940611.417 }, "end": { "local": "2018-11-07T19:22:17+04:00", "utc": "2018-11-07T15:22:17Z", "ms": 1541604136598.8535 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T17:38:30+04:00", "utc": "2018-11-08T13:38:30Z", "ms": 1541684310079.7642 }, "end": { "local": "2018-11-08T19:21:55+04:00", "utc": "2018-11-08T15:21:55Z", "ms": 1541690515302.9111 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:02 on Wed 7 Nov to 19:38 on Thu 8 Nov.", "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:22 on the 7th, 17:39–19:22 on the 8th.", "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 103 minutes on the 7th and 103 of 103 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 958 s" }, { "step": "ruling", "text": "Bali Pūjā, Abu Dhabi, 2018: Thursday 8 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": "2018-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-08", "confidence": "boundary" } ], "quote": "In Abu Dhabi, Bali Pūjā 2018 falls on Thursday 8 November. Pratipadā runs from 20:02 on Wed 7 Nov to 19:38 on Thu 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33763, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T19:37:53+04:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-07T20:02:02+04:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T19:37:53+04:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T06:32:52+04:00", "utc": "2018-11-07T02:32:52Z", "ms": 1541557972183.262 }, "end": { "local": "2018-11-07T10:14:55+04:00", "utc": "2018-11-07T06:14:55Z", "ms": 1541571294992.647 } }, "covered_min": 0, "window_min": 222, "qualifies": false }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T06:33:31+04:00", "utc": "2018-11-08T02:33:31Z", "ms": 1541644410517.1917 }, "end": { "local": "2018-11-08T10:15:10+04:00", "utc": "2018-11-08T06:15:10Z", "ms": 1541657710371.3826 } }, "covered_min": 222, "window_min": 222, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:02 on Wed 7 Nov to 19:38 on Thu 8 Nov.", "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:33–10:15 on the 7th, 06:34–10:15 on the 8th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 222 minutes on the 7th and 222 of 222 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33763 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Abu Dhabi, 2018: Thursday 8 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": "2018-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-08", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Dyūta Pratipad 2018 falls on Thursday 8 November. Pratipadā runs from 20:02 on Wed 7 Nov to 19:38 on Thu 8 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25673, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-11-08T19:37:53+04:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "end": { "local": "2018-11-09T19:50:21+04:00", "utc": "2018-11-09T15:50:21Z", "ms": 1541778620665.9846 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-08T19:37:53+04:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "end": { "local": "2018-11-09T19:50:21+04:00", "utc": "2018-11-09T15:50:21Z", "ms": 1541778620665.9846 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T11:42:00+04:00", "utc": "2018-11-08T07:42:00Z", "ms": 1541662920298.478 }, "end": { "local": "2018-11-08T12:30:00+04:00", "utc": "2018-11-08T08:30:00Z", "ms": 1541665800298.478 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-09", "window": { "start": { "local": "2018-11-09T11:42:05+04:00", "utc": "2018-11-09T07:42:05Z", "ms": 1541749325043.9956 }, "end": { "local": "2018-11-09T12:30:05+04:00", "utc": "2018-11-09T08:30:05Z", "ms": 1541752205043.9956 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:38 on Thu 8 Nov to 19:50 on Fri 9 Nov.", "fact": "2018-11-08T15:37:53Z → 2018-11-09T15:50:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 8th, 11:42–12:30 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 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25673 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Abu Dhabi, 2018: Friday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-09", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Yama Dvitīyā (Bhai Dooj) 2018 falls on Friday 9 November. Dvitīyā runs from 19:38 on Thu 8 Nov to 19:50 on Fri 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29549, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-10T20:42:39+04:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T22:14:32+04:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-10T20:42:39+04:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T22:14:32+04:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-10", "window": { "start": { "local": "2018-11-10T11:42:11+04:00", "utc": "2018-11-10T07:42:11Z", "ms": 1541835730633.0786 }, "end": { "local": "2018-11-10T12:30:11+04:00", "utc": "2018-11-10T08:30:11Z", "ms": 1541838610633.0786 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-11", "window": { "start": { "local": "2018-11-11T11:42:17+04:00", "utc": "2018-11-11T07:42:17Z", "ms": 1541922137064.4773 }, "end": { "local": "2018-11-11T12:30:17+04:00", "utc": "2018-11-11T08:30:17Z", "ms": 1541925017064.4773 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:43 on Sat 10 Nov to 22:15 on Sun 11 Nov.", "fact": "2018-11-10T16:42:39Z → 2018-11-11T18:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 10th, 11:42–12:30 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29549 s" }, { "step": "ruling", "text": "Nāga Caturthī, Abu Dhabi, 2018: Sunday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-11", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Nāga Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 20:43 on Sat 10 Nov to 22:15 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-11-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29549, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-10T20:42:39+04:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T22:14:32+04:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-10T20:42:39+04:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T22:14:32+04:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-10", "window": { "start": { "local": "2018-11-10T11:42:11+04:00", "utc": "2018-11-10T07:42:11Z", "ms": 1541835730633.0786 }, "end": { "local": "2018-11-10T12:30:11+04:00", "utc": "2018-11-10T08:30:11Z", "ms": 1541838610633.0786 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-11", "window": { "start": { "local": "2018-11-11T11:42:17+04:00", "utc": "2018-11-11T07:42:17Z", "ms": 1541922137064.4773 }, "end": { "local": "2018-11-11T12:30:17+04:00", "utc": "2018-11-11T08:30:17Z", "ms": 1541925017064.4773 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:43 on Sat 10 Nov to 22:15 on Sun 11 Nov.", "fact": "2018-11-10T16:42:39Z → 2018-11-11T18:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 10th, 11:42–12:30 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29549 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Sunday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-11", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 20:43 on Sat 10 Nov to 22:15 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31816, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-11-13T00:21:05+04:00", "utc": "2018-11-12T20:21:05Z", "ms": 1542054065411.938 }, "end": { "local": "2018-11-14T02:52:26+04:00", "utc": "2018-11-13T22:52:26Z", "ms": 1542149545594.3523 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-13T00:21:05+04:00", "utc": "2018-11-12T20:21:05Z", "ms": 1542054065411.938 }, "end": { "local": "2018-11-14T02:52:26+04:00", "utc": "2018-11-13T22:52:26Z", "ms": 1542149545594.3523 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-13", "window": { "start": { "local": "2018-11-13T11:42:32+04:00", "utc": "2018-11-13T07:42:32Z", "ms": 1542094952447.311 }, "end": { "local": "2018-11-13T12:30:32+04:00", "utc": "2018-11-13T08:30:32Z", "ms": 1542097832447.311 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-14", "window": { "start": { "local": "2018-11-14T11:42:41+04:00", "utc": "2018-11-14T07:42:41Z", "ms": 1542181361394.2646 }, "end": { "local": "2018-11-14T12:30:41+04:00", "utc": "2018-11-14T08:30:41Z", "ms": 1542184241394.2646 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:21 on Tue 13 Nov to 02:52 on Wed 14 Nov.", "fact": "2018-11-12T20:21:05Z → 2018-11-13T22:52:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 13th, 11:43–12:31 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31816 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Abu Dhabi, 2018: Tuesday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Sūrya Ṣaṣṭhī (Chhath) 2018 falls on Tuesday 13 November. Ṣaṣṭhī runs from 00:21 on Tue 13 Nov to 02:52 on Wed 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12756, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-11-15T05:34:22+04:00", "utc": "2018-11-15T01:34:22Z", "ms": 1542245662199.8982 }, "end": { "local": "2018-11-16T08:10:26+04:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-15T05:34:22+04:00", "utc": "2018-11-15T01:34:22Z", "ms": 1542245662199.8982 }, "end": { "local": "2018-11-16T08:10:26+04:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-15", "window": { "start": { "local": "2018-11-15T11:42:51+04:00", "utc": "2018-11-15T07:42:51Z", "ms": 1542267771174.4727 }, "end": { "local": "2018-11-15T12:30:51+04:00", "utc": "2018-11-15T08:30:51Z", "ms": 1542270651174.4727 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T11:43:02+04:00", "utc": "2018-11-16T07:43:02Z", "ms": 1542354181784.4531 }, "end": { "local": "2018-11-16T12:31:02+04:00", "utc": "2018-11-16T08:31:02Z", "ms": 1542357061784.4531 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:34 on Thu 15 Nov to 08:10 on Fri 16 Nov.", "fact": "2018-11-15T01:34:22Z → 2018-11-16T04:10:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 15th, 11:43–12:31 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12756 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Abu Dhabi, 2018: Thursday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-15", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Gopāṣṭamī 2018 falls on Thursday 15 November. Aṣṭamī runs from 05:34 on Thu 15 Nov to 08:10 on Fri 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4720, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-11-16T08:10:26+04:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T10:24:34+04:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-16T08:10:26+04:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T10:24:34+04:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T11:43:02+04:00", "utc": "2018-11-16T07:43:02Z", "ms": 1542354181784.4531 }, "end": { "local": "2018-11-16T12:31:02+04:00", "utc": "2018-11-16T08:31:02Z", "ms": 1542357061784.4531 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-17", "window": { "start": { "local": "2018-11-17T11:43:13+04:00", "utc": "2018-11-17T07:43:13Z", "ms": 1542440593220.183 }, "end": { "local": "2018-11-17T12:31:13+04:00", "utc": "2018-11-17T08:31:13Z", "ms": 1542443473220.183 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:10 on Fri 16 Nov to 10:25 on Sat 17 Nov.", "fact": "2018-11-16T04:10:26Z → 2018-11-17T06:24:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 16th, 11:43–12:31 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4720 s" }, { "step": "ruling", "text": "Durgā Navamī, Abu Dhabi, 2018: Friday 16 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-16", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Durgā Navamī 2018 falls on Friday 16 November. Navamī runs from 08:10 on Fri 16 Nov to 10:25 on Sat 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-17", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 394, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-11-16T08:10:26+04:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T10:24:34+04:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-16T08:10:26+04:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T10:24:34+04:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T06:38:50+04:00", "utc": "2018-11-16T02:38:50Z", "ms": 1542335930126.3757 }, "end": { "local": "2018-11-16T10:17:38+04:00", "utc": "2018-11-16T06:17:38Z", "ms": 1542349057898.4275 } }, "covered_min": 127, "window_min": 219, "qualifies": true }, { "local_date": "2018-11-17", "window": { "start": { "local": "2018-11-17T06:39:31+04:00", "utc": "2018-11-17T02:39:31Z", "ms": 1542422371401.6184 }, "end": { "local": "2018-11-17T10:17:59+04:00", "utc": "2018-11-17T06:17:59Z", "ms": 1542435479280.6616 } }, "covered_min": 218, "window_min": 218, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:10 on Fri 16 Nov to 10:25 on Sat 17 Nov.", "fact": "2018-11-16T04:10:26Z → 2018-11-17T06:24:34Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:39–10:18 on the 16th, 06:40–10:18 on the 17th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 127 of 219 minutes on the 16th and 218 of 218 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 394 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Abu Dhabi, 2018: Saturday 17 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2018-11-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-17", "confidence": "boundary" } ], "quote": "In Abu Dhabi, Akṣaya Navamī (Amla Navami) 2018 falls on Saturday 17 November. Navamī runs from 08:10 on Fri 16 Nov to 10:25 on Sat 17 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 127 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-11-19", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19417, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-11-18T12:03:49+04:00", "utc": "2018-11-18T08:03:49Z", "ms": 1542528229488.8474 }, "end": { "local": "2018-11-19T13:00:06+04:00", "utc": "2018-11-19T09:00:06Z", "ms": 1542618005748.5667 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-18T12:03:49+04:00", "utc": "2018-11-18T08:03:49Z", "ms": 1542528229488.8474 }, "end": { "local": "2018-11-19T13:00:06+04:00", "utc": "2018-11-19T09:00:06Z", "ms": 1542618005748.5667 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-11-18", "window": { "start": { "local": "2018-11-18T06:40:13+04:00", "utc": "2018-11-18T02:40:13Z", "ms": 1542508812900.7637 }, "end": { "local": "2018-11-18T06:40:13+04:00", "utc": "2018-11-18T02:40:13Z", "ms": 1542508812900.7637 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-11-19", "window": { "start": { "local": "2018-11-19T06:40:55+04:00", "utc": "2018-11-19T02:40:55Z", "ms": 1542595254601.3142 }, "end": { "local": "2018-11-19T06:40:55+04:00", "utc": "2018-11-19T02:40:55Z", "ms": 1542595254601.3142 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:04 on Sun 18 Nov to 13:00 on Mon 19 Nov.", "fact": "2018-11-18T08:03:49Z → 2018-11-19T09:00:06Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 18th and 06:41 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19417 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Abu Dhabi, 2018: Monday 19 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-19", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Prabodhinī Ekādaśī 2018 falls on Monday 19 November. Ekādaśī runs from 12:04 on Sun 18 Nov to 13:00 on Mon 19 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-11-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15820, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-20T13:10:29+04:00", "utc": "2018-11-20T09:10:29Z", "ms": 1542705028876.2368 }, "end": { "local": "2018-11-21T12:36:41+04:00", "utc": "2018-11-21T08:36:41Z", "ms": 1542789401396.5771 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-20T13:10:29+04:00", "utc": "2018-11-20T09:10:29Z", "ms": 1542705028876.2368 }, "end": { "local": "2018-11-21T12:36:41+04:00", "utc": "2018-11-21T08:36:41Z", "ms": 1542789401396.5771 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-20", "window": { "start": { "local": "2018-11-20T17:34:08+04:00", "utc": "2018-11-20T13:34:08Z", "ms": 1542720848387.8035 }, "end": { "local": "2018-11-20T19:19:14+04:00", "utc": "2018-11-20T15:19:14Z", "ms": 1542727153738.1262 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2018-11-21", "window": { "start": { "local": "2018-11-21T17:33:56+04:00", "utc": "2018-11-21T13:33:56Z", "ms": 1542807235730.8096 }, "end": { "local": "2018-11-21T19:19:08+04:00", "utc": "2018-11-21T15:19:08Z", "ms": 1542813548391.028 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:10 on Tue 20 Nov to 12:37 on Wed 21 Nov.", "fact": "2018-11-20T09:10:29Z → 2018-11-21T08:36:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:34–19:19 on the 20th, 17:34–19:19 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 105 of 105 minutes on the 20th and 0 of 105 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15820 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Tuesday 20 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": "2018-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-20", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Tuesday 20 November. Trayodaśī runs from 13:10 on Tue 20 Nov to 12:37 on Wed 21 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1232, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-11-22T11:23:51+04:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T09:39:12+04:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-22T11:23:51+04:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T09:39:12+04:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-22", "window": { "start": { "local": "2018-11-22T11:44:23+04:00", "utc": "2018-11-22T07:44:23Z", "ms": 1542872662610.7554 }, "end": { "local": "2018-11-22T12:32:23+04:00", "utc": "2018-11-22T08:32:23Z", "ms": 1542875542610.7554 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-23", "window": { "start": { "local": "2018-11-23T11:44:39+04:00", "utc": "2018-11-23T07:44:39Z", "ms": 1542959078890.7842 }, "end": { "local": "2018-11-23T12:32:39+04:00", "utc": "2018-11-23T08:32:39Z", "ms": 1542961958890.7842 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:24 on Thu 22 Nov to 09:39 on Fri 23 Nov.", "fact": "2018-11-22T07:23:51Z → 2018-11-23T05:39:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 22nd, 11:45–12:33 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 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1232 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Abu Dhabi, 2018: Thursday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kārtikī Pūrṇimā 2018 falls on Thursday 22 November. Pūrṇimā runs from 11:24 on Thu 22 Nov to 09:39 on Fri 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32788, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-11-22T11:23:51+04:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T09:39:12+04:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2018-11-22T11:23:51+04:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T09:39:12+04:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-21", "window": { "start": { "local": "2018-11-21T23:44:28+04:00", "utc": "2018-11-21T19:44:28Z", "ms": 1542829468206.629 }, "end": { "local": "2018-11-22T00:32:28+04:00", "utc": "2018-11-21T20:32:28Z", "ms": 1542832348206.629 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-22", "window": { "start": { "local": "2018-11-22T23:44:44+04:00", "utc": "2018-11-22T19:44:44Z", "ms": 1542915883748.9292 }, "end": { "local": "2018-11-23T00:32:44+04:00", "utc": "2018-11-22T20:32:44Z", "ms": 1542918763748.9292 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:24 on Thu 22 Nov to 09:39 on Fri 23 Nov.", "fact": "2018-11-22T07:23:51Z → 2018-11-23T05:39:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 21st, 23:45–00:33 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32788 s" }, { "step": "ruling", "text": "Rāsayātrā, Abu Dhabi, 2018: Thursday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Rāsayātrā 2018 falls on Thursday 22 November. Pūrṇimā runs from 11:24 on Thu 22 Nov to 09:39 on Fri 23 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-11-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11696, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-26T02:36:42+04:00", "utc": "2018-11-25T22:36:42Z", "ms": 1543185401828.9277 }, "end": { "local": "2018-11-27T00:05:14+04:00", "utc": "2018-11-26T20:05:14Z", "ms": 1543262714438.5405 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-11-26T02:36:42+04:00", "utc": "2018-11-25T22:36:42Z", "ms": 1543185401828.9277 }, "end": { "local": "2018-11-27T00:05:14+04:00", "utc": "2018-11-26T20:05:14Z", "ms": 1543262714438.5405 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-11-25", "window": { "start": { "local": "2018-11-25T19:49:18+04:00", "utc": "2018-11-25T15:49:18Z", "ms": 1543160957815.1167 }, "end": { "local": "2018-11-25T19:49:18+04:00", "utc": "2018-11-25T15:49:18Z", "ms": 1543160957815.1167 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-11-26", "window": { "start": { "local": "2018-11-26T20:50:19+04:00", "utc": "2018-11-26T16:50:19Z", "ms": 1543251018722.9492 }, "end": { "local": "2018-11-26T20:50:19+04:00", "utc": "2018-11-26T16:50:19Z", "ms": 1543251018722.9492 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:37 on Mon 26 Nov to 00:05 on Tue 27 Nov.", "fact": "2018-11-25T22:36:42Z → 2018-11-26T20:05:14Z" }, { "step": "kaala", "text": "Moonrise is at 19:49 on the 25th and 20:50 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": "priority: unstated → only-day · margin 11696 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Monday 26 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": "2018-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-26", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Monday 26 November. Caturthī runs from 02:37 on Mon 26 Nov to 00:05 on Tue 27 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-11-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/ekadashi?on=2018-12-03", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16764, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-12-02T12:30:43+04:00", "utc": "2018-12-02T08:30:43Z", "ms": 1543739442973.6228 }, "end": { "local": "2018-12-03T11:30:10+04:00", "utc": "2018-12-03T07:30:10Z", "ms": 1543822209960.212 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-02T12:30:43+04:00", "utc": "2018-12-02T08:30:43Z", "ms": 1543739442973.6228 }, "end": { "local": "2018-12-03T11:30:10+04:00", "utc": "2018-12-03T07:30:10Z", "ms": 1543822209960.212 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-12-02", "window": { "start": { "local": "2018-12-02T06:50:04+04:00", "utc": "2018-12-02T02:50:04Z", "ms": 1543719004003.4268 }, "end": { "local": "2018-12-02T06:50:04+04:00", "utc": "2018-12-02T02:50:04Z", "ms": 1543719004003.4268 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-12-03", "window": { "start": { "local": "2018-12-03T06:50:46+04:00", "utc": "2018-12-03T02:50:46Z", "ms": 1543805445825.882 }, "end": { "local": "2018-12-03T06:50:46+04:00", "utc": "2018-12-03T02:50:46Z", "ms": 1543805445825.882 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:31 on Sun 2 Dec to 11:30 on Mon 3 Dec.", "fact": "2018-12-02T08:30:43Z → 2018-12-03T07:30:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 2nd and 06:51 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16764 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Abu Dhabi, 2018: Monday 3 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-03", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Utpannā Ekādaśī 2018 falls on Monday 3 December. Ekādaśī runs from 12:31 on Sun 2 Dec to 11:30 on Mon 3 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-12-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-12-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24206, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-12-04T10:50:01+04:00", "utc": "2018-12-04T06:50:01Z", "ms": 1543906200540.239 }, "end": { "local": "2018-12-05T10:32:57+04:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-04T10:50:01+04:00", "utc": "2018-12-04T06:50:01Z", "ms": 1543906200540.239 }, "end": { "local": "2018-12-05T10:32:57+04:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-04", "window": { "start": { "local": "2018-12-04T17:33:27+04:00", "utc": "2018-12-04T13:33:27Z", "ms": 1543930406918.54 }, "end": { "local": "2018-12-04T19:19:56+04:00", "utc": "2018-12-04T15:19:56Z", "ms": 1543936796490.9163 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2018-12-05", "window": { "start": { "local": "2018-12-05T17:33:35+04:00", "utc": "2018-12-05T13:33:35Z", "ms": 1544016815158.2847 }, "end": { "local": "2018-12-05T19:20:09+04:00", "utc": "2018-12-05T15:20:09Z", "ms": 1544023209095.7964 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:50 on Tue 4 Dec to 10:33 on Wed 5 Dec.", "fact": "2018-12-04T06:50:01Z → 2018-12-05T06:32:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:33–19:20 on the 4th, 17:34–19:20 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 4th and 0 of 107 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24206 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2018: Tuesday 4 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": "2018-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-04", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 4 December. Trayodaśī runs from 10:50 on Tue 4 Dec to 10:33 on Wed 5 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/shivaratri?on=2018-12-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35769, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-12-05T10:32:57+04:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "end": { "local": "2018-12-06T10:42:05+04:00", "utc": "2018-12-06T06:42:05Z", "ms": 1544078524947.5583 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-05T10:32:57+04:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "end": { "local": "2018-12-06T10:42:05+04:00", "utc": "2018-12-06T06:42:05Z", "ms": 1544078524947.5583 } }, "kaala": "nishita", "days": [ { "local_date": "2018-12-04", "window": { "start": { "local": "2018-12-04T23:48:48+04:00", "utc": "2018-12-04T19:48:48Z", "ms": 1543952927814.9507 }, "end": { "local": "2018-12-05T00:36:48+04:00", "utc": "2018-12-04T20:36:48Z", "ms": 1543955807814.9507 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-05", "window": { "start": { "local": "2018-12-05T23:49:12+04:00", "utc": "2018-12-05T19:49:12Z", "ms": 1544039352423.9536 }, "end": { "local": "2018-12-06T00:37:12+04:00", "utc": "2018-12-05T20:37:12Z", "ms": 1544042232423.9536 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:33 on Wed 5 Dec to 10:42 on Thu 6 Dec.", "fact": "2018-12-05T06:32:57Z → 2018-12-06T06:42:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 4th, 23:49–00:37 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35769 s" }, { "step": "ruling", "text": "Śivarātri, Abu Dhabi, 2018: Wednesday 5 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": "2018-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-05", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śivarātri 2018 falls on Wednesday 5 December. Caturdaśī runs from 10:33 on Wed 5 Dec to 10:42 on Thu 6 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/shivaratri?on=2018-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-12-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13266, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-12-10T16:20:09+04:00", "utc": "2018-12-10T12:20:09Z", "ms": 1544444409277.8625 }, "end": { "local": "2018-12-11T18:52:03+04:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-10T16:20:09+04:00", "utc": "2018-12-10T12:20:09Z", "ms": 1544444409277.8625 }, "end": { "local": "2018-12-11T18:52:03+04:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-10", "window": { "start": { "local": "2018-12-10T11:51:04+04:00", "utc": "2018-12-10T07:51:04Z", "ms": 1544428263629.391 }, "end": { "local": "2018-12-10T12:39:04+04:00", "utc": "2018-12-10T08:39:04Z", "ms": 1544431143629.391 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-11", "window": { "start": { "local": "2018-12-11T11:51:31+04:00", "utc": "2018-12-11T07:51:31Z", "ms": 1544514691314.612 }, "end": { "local": "2018-12-11T12:39:31+04:00", "utc": "2018-12-11T08:39:31Z", "ms": 1544517571314.612 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:20 on Mon 10 Dec to 18:52 on Tue 11 Dec.", "fact": "2018-12-10T12:20:09Z → 2018-12-11T14:52:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 10th, 11:52–12:40 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13266 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Abu Dhabi, 2018: Tuesday 11 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-11", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Vināyaka Caturthī 2018 falls on Tuesday 11 December. Caturthī runs from 16:20 on Mon 10 Dec to 18:52 on Tue 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/vinayaka-chaturthi?on=2018-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22352, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-12-11T18:52:03+04:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "end": { "local": "2018-12-12T21:36:10+04:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-11T18:52:03+04:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "end": { "local": "2018-12-12T21:36:10+04:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-11", "window": { "start": { "local": "2018-12-11T11:51:31+04:00", "utc": "2018-12-11T07:51:31Z", "ms": 1544514691314.612 }, "end": { "local": "2018-12-11T12:39:31+04:00", "utc": "2018-12-11T08:39:31Z", "ms": 1544517571314.612 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T11:51:59+04:00", "utc": "2018-12-12T07:51:59Z", "ms": 1544601119372.5083 }, "end": { "local": "2018-12-12T12:39:59+04:00", "utc": "2018-12-12T08:39:59Z", "ms": 1544603999372.5083 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:52 on Tue 11 Dec to 21:36 on Wed 12 Dec.", "fact": "2018-12-11T14:52:03Z → 2018-12-12T17:36:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 11th, 11:52–12:40 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 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22352 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Abu Dhabi, 2018: Wednesday 12 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-12", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Nāga Pañcamī (Mārgaśīrṣa) 2018 falls on Wednesday 12 December. Pañcamī runs from 18:52 on Tue 11 Dec to 21:36 on Wed 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32171, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-12-12T21:36:10+04:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-14T00:19:09+04:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-12T21:36:10+04:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-14T00:19:09+04:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T11:51:59+04:00", "utc": "2018-12-12T07:51:59Z", "ms": 1544601119372.5083 }, "end": { "local": "2018-12-12T12:39:59+04:00", "utc": "2018-12-12T08:39:59Z", "ms": 1544603999372.5083 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T11:52:28+04:00", "utc": "2018-12-13T07:52:28Z", "ms": 1544687547769.9375 }, "end": { "local": "2018-12-13T12:40:28+04:00", "utc": "2018-12-13T08:40:28Z", "ms": 1544690427769.9375 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:36 on Wed 12 Dec to 00:19 on Fri 14 Dec.", "fact": "2018-12-12T17:36:10Z → 2018-12-13T20:19:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 12th, 11:52–12:40 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32171 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Abu Dhabi, 2018: Thursday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Campā Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 21:36 on Wed 12 Dec to 00:19 on Fri 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32171, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-12-12T21:36:10+04:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-14T00:19:09+04:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-12T21:36:10+04:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-14T00:19:09+04:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T11:51:59+04:00", "utc": "2018-12-12T07:51:59Z", "ms": 1544601119372.5083 }, "end": { "local": "2018-12-12T12:39:59+04:00", "utc": "2018-12-12T08:39:59Z", "ms": 1544603999372.5083 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T11:52:28+04:00", "utc": "2018-12-13T07:52:28Z", "ms": 1544687547769.9375 }, "end": { "local": "2018-12-13T12:40:28+04:00", "utc": "2018-12-13T08:40:28Z", "ms": 1544690427769.9375 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:36 on Wed 12 Dec to 00:19 on Fri 14 Dec.", "fact": "2018-12-12T17:36:10Z → 2018-12-13T20:19:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 12th, 11:52–12:40 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32171 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Abu Dhabi, 2018: Thursday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-13", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Skanda Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 21:36 on Wed 12 Dec to 00:19 on Fri 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32834, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-12-14T00:19:09+04:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "end": { "local": "2018-12-15T02:46:12+04:00", "utc": "2018-12-14T22:46:12Z", "ms": 1544827571560.4277 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-14T00:19:09+04:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "end": { "local": "2018-12-15T02:46:12+04:00", "utc": "2018-12-14T22:46:12Z", "ms": 1544827571560.4277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-14", "window": { "start": { "local": "2018-12-14T11:52:56+04:00", "utc": "2018-12-14T07:52:56Z", "ms": 1544773976473.618 }, "end": { "local": "2018-12-14T12:40:56+04:00", "utc": "2018-12-14T08:40:56Z", "ms": 1544776856473.618 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-12-15", "window": { "start": { "local": "2018-12-15T11:53:25+04:00", "utc": "2018-12-15T07:53:25Z", "ms": 1544860405450.1963 }, "end": { "local": "2018-12-15T12:41:25+04:00", "utc": "2018-12-15T08:41:25Z", "ms": 1544863285450.1963 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:19 on Fri 14 Dec to 02:46 on Sat 15 Dec.", "fact": "2018-12-13T20:19:09Z → 2018-12-14T22:46:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 14th, 11:53–12:41 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32834 s" }, { "step": "ruling", "text": "Mitra Saptamī, Abu Dhabi, 2018: Friday 14 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-14", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Mitra Saptamī 2018 falls on Friday 14 December. Saptamī runs from 00:19 on Fri 14 Dec to 02:46 on Sat 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/ekadashi?on=2018-12-18", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1989, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-12-18T06:27:11+04:00", "utc": "2018-12-18T02:27:11Z", "ms": 1545100031287.2249 }, "end": { "local": "2018-12-19T06:05:25+04:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-18T06:27:11+04:00", "utc": "2018-12-18T02:27:11Z", "ms": 1545100031287.2249 }, "end": { "local": "2018-12-19T06:05:25+04:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-12-18", "window": { "start": { "local": "2018-12-18T07:00:20+04:00", "utc": "2018-12-18T03:00:20Z", "ms": 1545102020290.785 }, "end": { "local": "2018-12-18T07:00:20+04:00", "utc": "2018-12-18T03:00:20Z", "ms": 1545102020290.785 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T07:00:53+04:00", "utc": "2018-12-19T03:00:53Z", "ms": 1545188453141.5679 }, "end": { "local": "2018-12-19T07:00:53+04:00", "utc": "2018-12-19T03:00:53Z", "ms": 1545188453141.5679 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:27 on Tue 18 Dec to 06:05 on Wed 19 Dec.", "fact": "2018-12-18T02:27:11Z → 2018-12-19T02:05:25Z" }, { "step": "kaala", "text": "Sunrise is at 07:00 on the 18th and 07:01 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1989 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Abu Dhabi, 2018: Tuesday 18 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-18", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Mokṣadā Ekādaśī 2018 falls on Tuesday 18 December. Ekādaśī runs from 06:27 on Tue 18 Dec to 06:05 on Wed 19 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/ekadashi?on=2018-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20998, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-12-19T06:05:25+04:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "end": { "local": "2018-12-20T04:56:08+04:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-19T06:05:25+04:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "end": { "local": "2018-12-20T04:56:08+04:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T11:55:23+04:00", "utc": "2018-12-19T07:55:23Z", "ms": 1545206123422.0664 }, "end": { "local": "2018-12-19T12:43:23+04:00", "utc": "2018-12-19T08:43:23Z", "ms": 1545209003422.0664 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-12-20", "window": { "start": { "local": "2018-12-20T11:55:53+04:00", "utc": "2018-12-20T07:55:53Z", "ms": 1545292553268.689 }, "end": { "local": "2018-12-20T12:43:53+04:00", "utc": "2018-12-20T08:43:53Z", "ms": 1545295433268.689 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:05 on Wed 19 Dec to 04:56 on Thu 20 Dec.", "fact": "2018-12-19T02:05:25Z → 2018-12-20T00:56:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 19th, 11:56–12:44 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20998 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Abu Dhabi, 2018: Wednesday 19 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-19", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Akhaṇḍa Dvādaśī 2018 falls on Wednesday 19 December. Dvādaśī runs from 06:05 on Wed 19 Dec to 04:56 on Thu 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-12-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27562, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-12-20T04:56:08+04:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "end": { "local": "2018-12-21T03:04:52+04:00", "utc": "2018-12-20T23:04:52Z", "ms": 1545347091859.143 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-20T04:56:08+04:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "end": { "local": "2018-12-21T03:04:52+04:00", "utc": "2018-12-20T23:04:52Z", "ms": 1545347091859.143 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T17:37:54+04:00", "utc": "2018-12-19T13:37:54Z", "ms": 1545226673702.5652 }, "end": { "local": "2018-12-19T19:25:02+04:00", "utc": "2018-12-19T15:25:02Z", "ms": 1545233101887.5925 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "2018-12-20", "window": { "start": { "local": "2018-12-20T17:38:21+04:00", "utc": "2018-12-20T13:38:21Z", "ms": 1545313101447.1084 }, "end": { "local": "2018-12-20T19:25:30+04:00", "utc": "2018-12-20T15:25:30Z", "ms": 1545319530068.0325 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:56 on Thu 20 Dec to 03:05 on Fri 21 Dec.", "fact": "2018-12-20T00:56:08Z → 2018-12-20T23:04:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:25 on the 19th, 17:38–19:26 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 19th and 107 of 107 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27562 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2018: Thursday 20 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": "2018-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-20", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2018 falls on Thursday 20 December. Trayodaśī runs from 04:56 on Thu 20 Dec to 03:05 on Fri 21 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/pradosha-vrata?on=2018-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/abu-dhabi/festivals/2018/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8526, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-12-22T00:39:22+04:00", "utc": "2018-12-21T20:39:22Z", "ms": 1545424762159.9248 }, "end": { "local": "2018-12-22T21:48:35+04:00", "utc": "2018-12-22T17:48:35Z", "ms": 1545500914979.4106 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-22T00:39:22+04:00", "utc": "2018-12-21T20:39:22Z", "ms": 1545424762159.9248 }, "end": { "local": "2018-12-22T21:48:35+04:00", "utc": "2018-12-22T17:48:35Z", "ms": 1545500914979.4106 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-21", "window": { "start": { "local": "2018-12-21T17:38:50+04:00", "utc": "2018-12-21T13:38:50Z", "ms": 1545399530283.7275 }, "end": { "local": "2018-12-21T19:25:59+04:00", "utc": "2018-12-21T15:25:59Z", "ms": 1545405959066.1465 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "2018-12-22", "window": { "start": { "local": "2018-12-22T17:39:20+04:00", "utc": "2018-12-22T13:39:20Z", "ms": 1545485960183.3198 }, "end": { "local": "2018-12-22T19:26:29+04:00", "utc": "2018-12-22T15:26:29Z", "ms": 1545492388852.7932 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:39 on Sat 22 Dec to 21:49 on Sat 22 Dec.", "fact": "2018-12-21T20:39:22Z → 2018-12-22T17:48:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:26 on the 21st, 17:39–19:26 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 107 minutes on the 21st and 107 of 107 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8526 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Abu Dhabi, 2018: Saturday 22 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": "2018-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-22", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Dattātreyotpatti (Datta Jayanti) 2018 falls on Saturday 22 December. Pūrṇimā runs from 00:39 on Sat 22 Dec to 21:49 on Sat 22 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/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": "/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-12-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "292968", "year": 2018, "local_date": "2018-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30431, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-12-25T12:17:36+04:00", "utc": "2018-12-25T08:17:36Z", "ms": 1545725855673.9705 }, "end": { "local": "2018-12-26T09:16:49+04:00", "utc": "2018-12-26T05:16:49Z", "ms": 1545801409141.9246 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2018-12-25T12:17:36+04:00", "utc": "2018-12-25T08:17:36Z", "ms": 1545725855673.9705 }, "end": { "local": "2018-12-26T09:16:49+04:00", "utc": "2018-12-26T05:16:49Z", "ms": 1545801409141.9246 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-12-25", "window": { "start": { "local": "2018-12-25T20:44:46+04:00", "utc": "2018-12-25T16:44:46Z", "ms": 1545756286409.952 }, "end": { "local": "2018-12-25T20:44:46+04:00", "utc": "2018-12-25T16:44:46Z", "ms": 1545756286409.952 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-12-26", "window": { "start": { "local": "2018-12-26T21:50:06+04:00", "utc": "2018-12-26T17:50:06Z", "ms": 1545846606357.3298 }, "end": { "local": "2018-12-26T21:50:06+04:00", "utc": "2018-12-26T17:50:06Z", "ms": 1545846606357.3298 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:18 on Tue 25 Dec to 09:17 on Wed 26 Dec.", "fact": "2018-12-25T08:17:36Z → 2018-12-26T05:16:49Z" }, { "step": "kaala", "text": "Moonrise is at 20:45 on the 25th and 21:50 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 25th and is not 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": "priority: unstated → only-day · margin 30431 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2018: Tuesday 25 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": "2018-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-12-25", "confidence": "determinate" } ], "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 25 December. Caturthī runs from 12:18 on Tue 25 Dec to 09:17 on Wed 26 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/abu-dhabi/festivals/2018/sankashta-chaturthi?on=2018-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }