{ "id": "/ankara/festivals/2018", "place": { "id": "323786", "slug": "ankara", "name": "Ankara", "region": "Turkey", "country": "TR", "lat": 39.91987, "lon": 32.85427, "elevation_m": 850, "tz": "Europe/Istanbul" }, "year": 2018, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-01-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5741, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-04T19:01:58+03:00", "utc": "2018-01-04T16:01:58Z", "ms": 1515081718261.4683 }, "end": { "local": "2018-01-05T16:30:17+03:00", "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": "2018-01-04T19:01:58+03:00", "utc": "2018-01-04T16:01:58Z", "ms": 1515081718261.4683 }, "end": { "local": "2018-01-05T16:30:17+03:00", "utc": "2018-01-05T13:30:17Z", "ms": 1515159016720.1775 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-01-04", "window": { "start": { "local": "2018-01-04T20:37:40+03:00", "utc": "2018-01-04T17:37:40Z", "ms": 1515087459661.091 }, "end": { "local": "2018-01-04T20:37:40+03:00", "utc": "2018-01-04T17:37:40Z", "ms": 1515087459661.091 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-01-05", "window": { "start": { "local": "2018-01-05T21:47:35+03:00", "utc": "2018-01-05T18:47:35Z", "ms": 1515178055367.4402 }, "end": { "local": "2018-01-05T21:47:35+03:00", "utc": "2018-01-05T18:47:35Z", "ms": 1515178055367.4402 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:02 on Thu 4 Jan to 16:30 on Fri 5 Jan.", "fact": "2018-01-04T16:01:58Z → 2018-01-05T13:30:17Z" }, { "step": "kaala", "text": "Moonrise is at 20:38 on the 4th and 21:48 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 5741 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Thursday 4 January. Caturthī runs from 19:02 on Thu 4 Jan to 16:30 on Fri 5 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-01-12", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30654, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-01-11T16:40:53+03:00", "utc": "2018-01-11T13:40:53Z", "ms": 1515678053014.1506 }, "end": { "local": "2018-01-12T18:52:49+03:00", "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": "2018-01-11T16:40:53+03:00", "utc": "2018-01-11T13:40:53Z", "ms": 1515678053014.1506 }, "end": { "local": "2018-01-12T18:52:49+03:00", "utc": "2018-01-12T15:52:49Z", "ms": 1515772369369.072 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-01-11", "window": { "start": { "local": "2018-01-11T08:09:59+03:00", "utc": "2018-01-11T05:09:59Z", "ms": 1515647398810.7107 }, "end": { "local": "2018-01-11T08:09:59+03:00", "utc": "2018-01-11T05:09:59Z", "ms": 1515647398810.7107 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-01-12", "window": { "start": { "local": "2018-01-12T08:09:44+03:00", "utc": "2018-01-12T05:09:44Z", "ms": 1515733783540.3765 }, "end": { "local": "2018-01-12T08:09:44+03:00", "utc": "2018-01-12T05:09:44Z", "ms": 1515733783540.3765 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:41 on Thu 11 Jan to 18:53 on Fri 12 Jan.", "fact": "2018-01-11T13:40:53Z → 2018-01-12T15:52:49Z" }, { "step": "kaala", "text": "Sunrise is at 08:10 on the 11th and 08:10 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 30654 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Ankara, 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 Ankara, Ṣaṭtilā Ekādaśī 2018 falls on Friday 12 January. Ekādaśī runs from 16:41 on Thu 11 Jan to 18:53 on Fri 12 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23389, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-13T00:18:13+03:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T17:45:18+03:00", "utc": "2018-01-13T14:45:18Z", "ms": 1515854717548.2651 }, "end": { "local": "2018-01-14T17:46:22+03:00", "utc": "2018-01-14T14:46:22Z", "ms": 1515941182102.0688 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-14T17:46:22+03:00", "utc": "2018-01-14T14:46:22Z", "ms": 1515941182102.0688 }, "end": { "local": "2018-01-15T17:47:28+03:00", "utc": "2018-01-15T14:47:28Z", "ms": 1516027647500.691 } }, "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 11:17 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 17:46, and the day of the 15th ends at 17:47.", "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 23389 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, Ankara, 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 Ankara, 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 11:17 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/ankara/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": "/ankara/festivals/2018/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23389, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-13T00:18:13+03:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T17:45:18+03:00", "utc": "2018-01-13T14:45:18Z", "ms": 1515854717548.2651 }, "end": { "local": "2018-01-14T17:46:22+03:00", "utc": "2018-01-14T14:46:22Z", "ms": 1515941182102.0688 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-14T17:46:22+03:00", "utc": "2018-01-14T14:46:22Z", "ms": 1515941182102.0688 }, "end": { "local": "2018-01-15T17:47:28+03:00", "utc": "2018-01-15T14:47:28Z", "ms": 1516027647500.691 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:17 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 17:46, and the day of the 15th ends at 17:47.", "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 23389 s" }, { "step": "ruling", "text": "Pongal, Ankara, 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 Ankara, Pongal 2018 falls on Sunday 14 January. The Sun enters Makara at 11:17 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/ankara/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": "/ankara/festivals/2018/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40594, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-13T00:18:13+03:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "civil-day", "days": [ { "local_date": "2018-01-13", "window": { "start": { "local": "2018-01-13T00:00:00+03:00", "utc": "2018-01-12T21:00:00Z", "ms": 1515790800000 }, "end": { "local": "2018-01-14T00:00:00+03:00", "utc": "2018-01-13T21:00:00Z", "ms": 1515877200000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-14T00:00:00+03:00", "utc": "2018-01-13T21:00:00Z", "ms": 1515877200000 }, "end": { "local": "2018-01-15T00:00:00+03:00", "utc": "2018-01-14T21:00:00Z", "ms": 1515963600000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:17 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 Ankara.", "fact": "civil-day: midnight-to-midnight · Europe/Istanbul" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 40594 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Ankara, 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 Ankara, Makara Saṅkrānti 2018 falls on Sunday 14 January. The Sun enters Makara at 11:17 on Sun 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-01-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6115, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-01-13T21:22:23+03:00", "utc": "2018-01-13T18:22:23Z", "ms": 1515867742723.9802 }, "end": { "local": "2018-01-15T00:01:06+03:00", "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": "2018-01-13T21:22:23+03:00", "utc": "2018-01-13T18:22:23Z", "ms": 1515867742723.9802 }, "end": { "local": "2018-01-15T00:01:06+03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-13", "window": { "start": { "local": "2018-01-13T17:45:18+03:00", "utc": "2018-01-13T14:45:18Z", "ms": 1515854717548.2651 }, "end": { "local": "2018-01-13T19:40:28+03:00", "utc": "2018-01-13T16:40:28Z", "ms": 1515861628076.4082 } }, "covered_min": 0, "window_min": 115, "qualifies": false }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-14T17:46:22+03:00", "utc": "2018-01-14T14:46:22Z", "ms": 1515941182102.0688 }, "end": { "local": "2018-01-14T19:41:21+03:00", "utc": "2018-01-14T16:41:21Z", "ms": 1515948081124.5593 } }, "covered_min": 115, "window_min": 115, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:22 on Sat 13 Jan to 00:01 on Mon 15 Jan.", "fact": "2018-01-13T18:22:23Z → 2018-01-14T21:01:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:40 on the 13th, 17:46–19:41 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 115 minutes on the 13th and 115 of 115 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 6115 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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 Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Sunday 14 January. Trayodaśī runs from 21:22 on Sat 13 Jan to 00:01 on Mon 15 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-01-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-14", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1948, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-01-15T00:01:06+03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T02:41:31+03:00", "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": "2018-01-15T00:01:06+03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T02:41:31+03:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 } }, "kaala": "nishita", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-15T00:33:33+03:00", "utc": "2018-01-14T21:33:33Z", "ms": 1515965613436.4077 }, "end": { "local": "2018-01-15T01:21:33+03:00", "utc": "2018-01-14T22:21:33Z", "ms": 1515968493436.4077 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-16T00:33:54+03:00", "utc": "2018-01-15T21:33:54Z", "ms": 1516052034200.5842 }, "end": { "local": "2018-01-16T01:21:54+03:00", "utc": "2018-01-15T22:21:54Z", "ms": 1516054914200.5842 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:01 on Mon 15 Jan to 02:42 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: 00:34–01:22 on the 14th, 00:34–01:22 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1948 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 2018: Sunday 14 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-14", "confidence": "boundary" } ], "quote": "In Ankara, Śivarātri 2018 falls on Sunday 14 January. Caturdaśī runs from 00:01 on Mon 15 Jan to 02:42 on Tue 16 Jan and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/ankara/festivals/2018/shivaratri?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": "/ankara/festivals/2018/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23389, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-13T00:18:13+03:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T11:16:34+03:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T17:45:18+03:00", "utc": "2018-01-13T14:45:18Z", "ms": 1515854717548.2651 }, "end": { "local": "2018-01-14T17:46:22+03:00", "utc": "2018-01-14T14:46:22Z", "ms": 1515941182102.0688 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-14T17:46:22+03:00", "utc": "2018-01-14T14:46:22Z", "ms": 1515941182102.0688 }, "end": { "local": "2018-01-15T17:47:28+03:00", "utc": "2018-01-15T14:47:28Z", "ms": 1516027647500.691 } }, "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 11:17 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 17:46, and the day of the 15th ends at 17:47.", "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 23389 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, Ankara, 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 Ankara, 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 11:17 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/ankara/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": "/ankara/festivals/2018/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12723, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-01-15T00:01:06+03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T02:41:31+03:00", "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": "2018-01-15T00:01:06+03:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T02:41:31+03:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-15T06:13:46+03:00", "utc": "2018-01-15T03:13:46Z", "ms": 1515986025748.256 }, "end": { "local": "2018-01-15T08:08:45+03:00", "utc": "2018-01-15T05:08:45Z", "ms": 1515992924770.7466 } }, "covered_min": 115, "window_min": 115, "qualifies": true }, { "local_date": "2018-01-16", "window": { "start": { "local": "2018-01-16T06:13:34+03:00", "utc": "2018-01-16T03:13:34Z", "ms": 1516072413780.506 }, "end": { "local": "2018-01-16T08:08:21+03:00", "utc": "2018-01-16T05:08:21Z", "ms": 1516079300900.4775 } }, "covered_min": 0, "window_min": 115, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:01 on Mon 15 Jan to 02:42 on Tue 16 Jan.", "fact": "2018-01-14T21:01:06Z → 2018-01-15T23:41:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:14–08:09 on the 15th, 06:14–08:08 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 115 of 115 minutes on the 15th and 0 of 115 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 12723 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Ankara, 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 Ankara, Yama Tarpaṇa 2018 falls on Monday 15 January. Caturdaśī runs from 00:01 on Mon 15 Jan to 02:42 on Tue 16 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1222, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-20T11:41:08+03:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T13:03:40+03:00", "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": "2018-01-20T11:41:08+03:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T13:03:40+03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-20", "window": { "start": { "local": "2018-01-20T12:35:45+03:00", "utc": "2018-01-20T09:35:45Z", "ms": 1516440944799.0034 }, "end": { "local": "2018-01-20T13:23:45+03:00", "utc": "2018-01-20T10:23:45Z", "ms": 1516443824799.0034 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T12:36:02+03:00", "utc": "2018-01-21T09:36:02Z", "ms": 1516527362302.3086 }, "end": { "local": "2018-01-21T13:24:02+03:00", "utc": "2018-01-21T10:24:02Z", "ms": 1516530242302.3086 } }, "covered_min": 28, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:41 on Sat 20 Jan to 13:04 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: 12:36–13:24 on the 20th, 12:36–13:24 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 28 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 1222 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Ankara, 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 Ankara, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2018 falls on Saturday 20 January. Caturthī runs from 11:41 on Sat 20 Jan to 13:04 on Sun 21 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 28 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17434, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-20T11:41:08+03:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T13:03:40+03:00", "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": "2018-01-20T11:41:08+03:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T13:03:40+03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-20", "window": { "start": { "local": "2018-01-20T17:53:05+03:00", "utc": "2018-01-20T14:53:05Z", "ms": 1516459985185.6523 }, "end": { "local": "2018-01-20T19:46:47+03:00", "utc": "2018-01-20T16:46:47Z", "ms": 1516466807177.963 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T17:54:14+03:00", "utc": "2018-01-21T14:54:14Z", "ms": 1516546454476.6362 }, "end": { "local": "2018-01-21T19:47:42+03:00", "utc": "2018-01-21T16:47:42Z", "ms": 1516553262389.0134 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:41 on Sat 20 Jan to 13:04 on Sun 21 Jan.", "fact": "2018-01-20T08:41:08Z → 2018-01-21T10:03:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:47 on the 20th, 17:54–19:48 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 114 of 114 minutes on the 20th and 0 of 113 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 17434 s" }, { "step": "ruling", "text": "Tila Caturthī, Ankara, 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 Ankara, Tila Caturthī 2018 falls on Saturday 20 January. Caturthī runs from 11:41 on Sat 20 Jan to 13:04 on Sun 21 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1222, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-01-21T13:03:40+03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T13:54:51+03:00", "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": "2018-01-21T13:03:40+03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T13:54:51+03:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T12:36:02+03:00", "utc": "2018-01-21T09:36:02Z", "ms": 1516527362302.3086 }, "end": { "local": "2018-01-21T13:24:02+03:00", "utc": "2018-01-21T10:24:02Z", "ms": 1516530242302.3086 } }, "covered_min": 20, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-22", "window": { "start": { "local": "2018-01-22T12:36:19+03:00", "utc": "2018-01-22T09:36:19Z", "ms": 1516613779024.5596 }, "end": { "local": "2018-01-22T13:24:19+03:00", "utc": "2018-01-22T10:24:19Z", "ms": 1516616659024.5596 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:04 on Sun 21 Jan to 13:55 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: 12:36–13:24 on the 21st, 12:36–13:24 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 20 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": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1222 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Ankara, 2018: Sunday 21 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": "2018-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-21", "confidence": "boundary" } ], "quote": "In Ankara, Śrī Pañcamī 2018 falls on Sunday 21 January. Pañcamī runs from 13:04 on Sun 21 Jan to 13:55 on Mon 22 Jan and covers 20 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/ankara/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": "/ankara/festivals/2018/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-22", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1222, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-01-21T13:03:40+03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T13:54:51+03:00", "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": "2018-01-21T13:03:40+03:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T13:54:51+03:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T12:36:02+03:00", "utc": "2018-01-21T09:36:02Z", "ms": 1516527362302.3086 }, "end": { "local": "2018-01-21T13:24:02+03:00", "utc": "2018-01-21T10:24:02Z", "ms": 1516530242302.3086 } }, "covered_min": 20, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-22", "window": { "start": { "local": "2018-01-22T12:36:19+03:00", "utc": "2018-01-22T09:36:19Z", "ms": 1516613779024.5596 }, "end": { "local": "2018-01-22T13:24:19+03:00", "utc": "2018-01-22T10:24:19Z", "ms": 1516616659024.5596 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:04 on Sun 21 Jan to 13:55 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: 12:36–13:24 on the 21st, 12:36–13:24 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 20 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": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1222 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Ankara, 2018: Monday 22 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-01-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-22", "confidence": "boundary" } ], "quote": "In Ankara, Vasanta Pañcamī 2018 falls on Monday 22 January. Pañcamī runs from 13:04 on Sun 21 Jan to 13:55 on Mon 22 Jan and covers all of madhyāhna that midday. It also reaches the previous midday for 20 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/ankara/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": "/ankara/festivals/2018/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20583, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-01-23T14:10:17+03:00", "utc": "2018-01-23T11:10:17Z", "ms": 1516705816734.995 }, "end": { "local": "2018-01-24T13:46:58+03:00", "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": "2018-01-23T14:10:17+03:00", "utc": "2018-01-23T11:10:17Z", "ms": 1516705816734.995 }, "end": { "local": "2018-01-24T13:46:58+03:00", "utc": "2018-01-24T10:46:58Z", "ms": 1516790818221.2603 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-01-23", "window": { "start": { "local": "2018-01-23T06:11:22+03:00", "utc": "2018-01-23T03:11:22Z", "ms": 1516677082005.873 }, "end": { "local": "2018-01-23T08:04:36+03:00", "utc": "2018-01-23T05:04:36Z", "ms": 1516683875509.9065 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "2018-01-24", "window": { "start": { "local": "2018-01-24T06:10:56+03:00", "utc": "2018-01-24T03:10:56Z", "ms": 1516763456446.8853 }, "end": { "local": "2018-01-24T08:03:55+03:00", "utc": "2018-01-24T05:03:55Z", "ms": 1516770235224.0793 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:10 on Tue 23 Jan to 13:47 on Wed 24 Jan.", "fact": "2018-01-23T11:10:17Z → 2018-01-24T10:46:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:11–08:05 on the 23rd, 06:11–08:04 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 113 minutes on the 23rd and 113 of 113 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 20583 s" }, { "step": "ruling", "text": "Ratha Saptamī, Ankara, 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 Ankara, Ratha Saptamī 2018 falls on Wednesday 24 January. Saptamī runs from 14:10 on Tue 23 Jan to 13:47 on Wed 24 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-01-27", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2595, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-01-27T08:44:57+03:00", "utc": "2018-01-27T05:44:57Z", "ms": 1517031897353.4683 }, "end": { "local": "2018-01-28T05:57:57+03:00", "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": "2018-01-27T08:44:57+03:00", "utc": "2018-01-27T05:44:57Z", "ms": 1517031897353.4683 }, "end": { "local": "2018-01-28T05:57:57+03:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-01-27", "window": { "start": { "local": "2018-01-27T08:01:43+03:00", "utc": "2018-01-27T05:01:43Z", "ms": 1517029302784.015 }, "end": { "local": "2018-01-27T08:01:43+03:00", "utc": "2018-01-27T05:01:43Z", "ms": 1517029302784.015 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T08:00:55+03:00", "utc": "2018-01-28T05:00:55Z", "ms": 1517115654878.002 }, "end": { "local": "2018-01-28T08:00:55+03:00", "utc": "2018-01-28T05:00:55Z", "ms": 1517115654878.002 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:45 on Sat 27 Jan to 05:58 on Sun 28 Jan.", "fact": "2018-01-27T05:44:57Z → 2018-01-28T02:57:57Z" }, { "step": "kaala", "text": "Sunrise is at 08:02 on the 27th and 08:01 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 2595 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Ankara, 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 Ankara, Jayā Ekādaśī 2018 falls on Saturday 27 January. Ekādaśī runs from 08:45 on Sat 27 Jan to 05:58 on Sun 28 Jan, and is current at sunrise on neither day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23985, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-01-28T05:57:57+03:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "end": { "local": "2018-01-29T02:48:01+03:00", "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": "2018-01-28T05:57:57+03:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "end": { "local": "2018-01-29T02:48:01+03:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T12:37:42+03:00", "utc": "2018-01-28T09:37:42Z", "ms": 1517132262344.128 }, "end": { "local": "2018-01-28T13:25:42+03:00", "utc": "2018-01-28T10:25:42Z", "ms": 1517135142344.128 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-29", "window": { "start": { "local": "2018-01-29T12:37:53+03:00", "utc": "2018-01-29T09:37:53Z", "ms": 1517218673335.7244 }, "end": { "local": "2018-01-29T13:25:53+03:00", "utc": "2018-01-29T10:25:53Z", "ms": 1517221553335.7244 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:58 on Sun 28 Jan to 02:48 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: 12:38–13:26 on the 28th, 12:38–13:26 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 23985 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Ankara, 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 Ankara, Bhīṣma Dvādaśī 2018 falls on Sunday 28 January. Dvādaśī runs from 05:58 on Sun 28 Jan to 02:48 on Mon 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-01-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12498, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-01-29T02:48:01+03:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "end": { "local": "2018-01-29T23:23:24+03:00", "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": "2018-01-29T02:48:01+03:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "end": { "local": "2018-01-29T23:23:24+03:00", "utc": "2018-01-29T20:23:24Z", "ms": 1517257404271.044 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T18:02:30+03:00", "utc": "2018-01-28T15:02:30Z", "ms": 1517151749810.2537 }, "end": { "local": "2018-01-28T19:54:11+03:00", "utc": "2018-01-28T16:54:11Z", "ms": 1517158450521.9531 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "2018-01-29", "window": { "start": { "local": "2018-01-29T18:03:42+03:00", "utc": "2018-01-29T15:03:42Z", "ms": 1517238221523.4482 }, "end": { "local": "2018-01-29T19:55:06+03:00", "utc": "2018-01-29T16:55:06Z", "ms": 1517244905804.3027 } }, "covered_min": 111, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:48 on Mon 29 Jan to 23:23 on Mon 29 Jan.", "fact": "2018-01-28T23:48:01Z → 2018-01-29T20:23:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:54 on the 28th, 18:04–19:55 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 112 minutes on the 28th and 111 of 111 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 12498 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 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 Ankara, Śukla Pradoṣa Vrata 2018 falls on Monday 29 January. Trayodaśī runs from 02:48 on Mon 29 Jan to 23:23 on Mon 29 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10831, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-01-30T19:53:08+03:00", "utc": "2018-01-30T16:53:08Z", "ms": 1517331187830.8684 }, "end": { "local": "2018-01-31T16:26:44+03:00", "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": "2018-01-30T19:53:08+03:00", "utc": "2018-01-30T16:53:08Z", "ms": 1517331187830.8684 }, "end": { "local": "2018-01-31T16:26:44+03:00", "utc": "2018-01-31T13:26:44Z", "ms": 1517405203735.9001 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-30", "window": { "start": { "local": "2018-01-30T12:38:03+03:00", "utc": "2018-01-30T09:38:03Z", "ms": 1517305083496.6833 }, "end": { "local": "2018-01-30T13:26:03+03:00", "utc": "2018-01-30T10:26:03Z", "ms": 1517307963496.6833 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-01-31", "window": { "start": { "local": "2018-01-31T12:38:13+03:00", "utc": "2018-01-31T09:38:13Z", "ms": 1517391492830.4922 }, "end": { "local": "2018-01-31T13:26:13+03:00", "utc": "2018-01-31T10:26:13Z", "ms": 1517394372830.4922 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:53 on Tue 30 Jan to 16:27 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: 12:38–13:26 on the 30th, 12:38–13:26 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 10831 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Ankara, 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 Ankara, Māghī Pūrṇimā 2018 falls on Wednesday 31 January. Pūrṇimā runs from 19:53 on Tue 30 Jan to 16:27 on Wed 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-02-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31620, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-02-03T08:06:16+03:00", "utc": "2018-02-03T05:06:16Z", "ms": 1517634376094.376 }, "end": { "local": "2018-02-04T06:28:05+03:00", "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": "2018-02-03T08:06:16+03:00", "utc": "2018-02-03T05:06:16Z", "ms": 1517634376094.376 }, "end": { "local": "2018-02-04T06:28:05+03:00", "utc": "2018-02-04T03:28:05Z", "ms": 1517714884979.523 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-02-02", "window": { "start": { "local": "2018-02-02T20:32:47+03:00", "utc": "2018-02-02T17:32:47Z", "ms": 1517592766683.6846 }, "end": { "local": "2018-02-02T20:32:47+03:00", "utc": "2018-02-02T17:32:47Z", "ms": 1517592766683.6846 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-03", "window": { "start": { "local": "2018-02-03T21:41:05+03:00", "utc": "2018-02-03T18:41:05Z", "ms": 1517683265168.4595 }, "end": { "local": "2018-02-03T21:41:05+03:00", "utc": "2018-02-03T18:41:05Z", "ms": 1517683265168.4595 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:06 on Sat 3 Feb to 06:28 on Sun 4 Feb.", "fact": "2018-02-03T05:06:16Z → 2018-02-04T03:28:05Z" }, { "step": "kaala", "text": "Moonrise is at 20:33 on the 2nd and 21:41 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 31620 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Saturday 3 February. Caturthī runs from 08:06 on Sat 3 Feb to 06:28 on Sun 4 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-02-11", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15977, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-02-10T12:14:17+03:00", "utc": "2018-02-10T09:14:17Z", "ms": 1518254056706.8145 }, "end": { "local": "2018-02-11T14:54:32+03:00", "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": "2018-02-10T12:14:17+03:00", "utc": "2018-02-10T09:14:17Z", "ms": 1518254056706.8145 }, "end": { "local": "2018-02-11T14:54:32+03:00", "utc": "2018-02-11T11:54:32Z", "ms": 1518350072012.6855 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-02-10", "window": { "start": { "local": "2018-02-10T07:47:59+03:00", "utc": "2018-02-10T04:47:59Z", "ms": 1518238079442.4102 }, "end": { "local": "2018-02-10T07:47:59+03:00", "utc": "2018-02-10T04:47:59Z", "ms": 1518238079442.4102 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-11", "window": { "start": { "local": "2018-02-11T07:46:49+03:00", "utc": "2018-02-11T04:46:49Z", "ms": 1518324409312.8147 }, "end": { "local": "2018-02-11T07:46:49+03:00", "utc": "2018-02-11T04:46:49Z", "ms": 1518324409312.8147 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:14 on Sat 10 Feb to 14:55 on Sun 11 Feb.", "fact": "2018-02-10T09:14:17Z → 2018-02-11T11:54:32Z" }, { "step": "kaala", "text": "Sunrise is at 07:48 on the 10th and 07:47 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 15977 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Ankara, 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 Ankara, Vijayā Ekādaśī 2018 falls on Sunday 11 February. Ekādaśī runs from 12:14 on Sat 10 Feb to 14:55 on Sun 11 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-02-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-02-12", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 213, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-02-12T17:34:53+03:00", "utc": "2018-02-12T14:34:53Z", "ms": 1518446093438.286 }, "end": { "local": "2018-02-13T20:04:57+03:00", "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": "2018-02-12T17:34:53+03:00", "utc": "2018-02-12T14:34:53Z", "ms": 1518446093438.286 }, "end": { "local": "2018-02-13T20:04:57+03:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-02-12", "window": { "start": { "local": "2018-02-12T18:20:27+03:00", "utc": "2018-02-12T15:20:27Z", "ms": 1518448826958.5 }, "end": { "local": "2018-02-12T20:07:39+03:00", "utc": "2018-02-12T17:07:39Z", "ms": 1518455258712.9087 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2018-02-13", "window": { "start": { "local": "2018-02-13T18:21:38+03:00", "utc": "2018-02-13T15:21:38Z", "ms": 1518535297927.7559 }, "end": { "local": "2018-02-13T20:08:30+03:00", "utc": "2018-02-13T17:08:30Z", "ms": 1518541710352.9124 } }, "covered_min": 103, "window_min": 107, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:35 on Mon 12 Feb to 20:05 on Tue 13 Feb.", "fact": "2018-02-12T14:34:53Z → 2018-02-13T17:04:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–20:08 on the 12th, 18:22–20:09 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 107 of 107 minutes on the 12th and 103 of 107 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 213 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 2018: Monday 12 February.", "fact": "confidence: boundary (margin, 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": "2018-02-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-12", "confidence": "boundary" } ], "quote": "In Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 12 February. Trayodaśī runs from 17:35 on Mon 12 Feb to 20:05 on Tue 13 Feb and covers all of pradoṣa that evening. It also reaches the next evening for 103 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 33 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ankara/festivals/2018/pradosha-vrata?on=2018-02-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ankara/festivals/2018/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8494, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-02-13T20:04:57+03:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "end": { "local": "2018-02-14T22:16:48+03:00", "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": "2018-02-13T20:04:57+03:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "end": { "local": "2018-02-14T22:16:48+03:00", "utc": "2018-02-14T19:16:48Z", "ms": 1518635808473.8533 } }, "kaala": "nishita", "days": [ { "local_date": "2018-02-13", "window": { "start": { "local": "2018-02-14T00:38:25+03:00", "utc": "2018-02-13T21:38:25Z", "ms": 1518557904522.093 }, "end": { "local": "2018-02-14T01:26:25+03:00", "utc": "2018-02-13T22:26:25Z", "ms": 1518560784522.093 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-02-14", "window": { "start": { "local": "2018-02-15T00:38:22+03:00", "utc": "2018-02-14T21:38:22Z", "ms": 1518644302282.4043 }, "end": { "local": "2018-02-15T01:26:22+03:00", "utc": "2018-02-14T22:26:22Z", "ms": 1518647182282.4043 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:05 on Tue 13 Feb to 22:17 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: 00:38–01:26 on the 13th, 00:38–01:26 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 8494 s" }, { "step": "ruling", "text": "Mahāśivarātri, Ankara, 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 Ankara, Mahāśivarātri 2018 falls on Tuesday 13 February. Caturdaśī runs from 20:05 on Tue 13 Feb to 22:17 on Wed 14 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-02-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35486, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-02-19T02:47:14+03:00", "utc": "2018-02-18T23:47:14Z", "ms": 1518997634456.6365 }, "end": { "local": "2018-02-20T02:45:23+03:00", "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": "2018-02-19T02:47:14+03:00", "utc": "2018-02-18T23:47:14Z", "ms": 1518997634456.6365 }, "end": { "local": "2018-02-20T02:45:23+03:00", "utc": "2018-02-19T23:45:23Z", "ms": 1519083923255.6016 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-02-19", "window": { "start": { "local": "2018-02-19T12:38:41+03:00", "utc": "2018-02-19T09:38:41Z", "ms": 1519033120940.1455 }, "end": { "local": "2018-02-19T13:26:41+03:00", "utc": "2018-02-19T10:26:41Z", "ms": 1519036000940.1455 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-02-20", "window": { "start": { "local": "2018-02-20T12:38:35+03:00", "utc": "2018-02-20T09:38:35Z", "ms": 1519119515051.9521 }, "end": { "local": "2018-02-20T13:26:35+03:00", "utc": "2018-02-20T10:26:35Z", "ms": 1519122395051.9521 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:47 on Mon 19 Feb to 02:45 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: 12:39–13:27 on the 19th, 12:39–13:27 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 35486 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 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 Ankara, Vināyaka Caturthī 2018 falls on Monday 19 February. Caturthī runs from 02:47 on Mon 19 Feb to 02:45 on Tue 20 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-02-26", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27136, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-02-25T17:39:56+03:00", "utc": "2018-02-25T14:39:56Z", "ms": 1519569595588.5083 }, "end": { "local": "2018-02-26T14:59:13+03:00", "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": "2018-02-25T17:39:56+03:00", "utc": "2018-02-25T14:39:56Z", "ms": 1519569595588.5083 }, "end": { "local": "2018-02-26T14:59:13+03:00", "utc": "2018-02-26T11:59:13Z", "ms": 1519646352739.048 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-02-25", "window": { "start": { "local": "2018-02-25T07:28:23+03:00", "utc": "2018-02-25T04:28:23Z", "ms": 1519532903418.0288 }, "end": { "local": "2018-02-25T07:28:23+03:00", "utc": "2018-02-25T04:28:23Z", "ms": 1519532903418.0288 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-26", "window": { "start": { "local": "2018-02-26T07:26:57+03:00", "utc": "2018-02-26T04:26:57Z", "ms": 1519619216873.6262 }, "end": { "local": "2018-02-26T07:26:57+03:00", "utc": "2018-02-26T04:26:57Z", "ms": 1519619216873.6262 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:40 on Sun 25 Feb to 14:59 on Mon 26 Feb.", "fact": "2018-02-25T14:39:56Z → 2018-02-26T11:59:13Z" }, { "step": "kaala", "text": "Sunrise is at 07:28 on the 25th and 07:27 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 27136 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Ankara, 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 Ankara, Āmalakī Ekādaśī 2018 falls on Monday 26 February. Ekādaśī runs from 17:40 on Sun 25 Feb to 14:59 on Mon 26 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-02-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23308, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-02-27T12:09:14+03:00", "utc": "2018-02-27T09:09:14Z", "ms": 1519722554032.3486 }, "end": { "local": "2018-02-28T09:16:19+03:00", "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": "2018-02-27T12:09:14+03:00", "utc": "2018-02-27T09:09:14Z", "ms": 1519722554032.3486 }, "end": { "local": "2018-02-28T09:16:19+03:00", "utc": "2018-02-28T06:16:19Z", "ms": 1519798579179.2974 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-02-27", "window": { "start": { "local": "2018-02-27T18:37:42+03:00", "utc": "2018-02-27T15:37:42Z", "ms": 1519745862056.9211 }, "end": { "local": "2018-02-27T20:19:53+03:00", "utc": "2018-02-27T17:19:53Z", "ms": 1519751992629.384 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "2018-02-28", "window": { "start": { "local": "2018-02-28T18:38:49+03:00", "utc": "2018-02-28T15:38:49Z", "ms": 1519832328526.372 }, "end": { "local": "2018-02-28T20:20:38+03:00", "utc": "2018-02-28T17:20:38Z", "ms": 1519838438382.2075 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:09 on Tue 27 Feb to 09:16 on Wed 28 Feb.", "fact": "2018-02-27T09:09:14Z → 2018-02-28T06:16:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:20 on the 27th, 18:39–20:21 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 27th and 0 of 102 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 23308 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 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 Ankara, Śukla Pradoṣa Vrata 2018 falls on Tuesday 27 February. Trayodaśī runs from 12:09 on Tue 27 Feb to 09:16 on Wed 28 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33085, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-01T06:27:42+03:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T03:51:20+03:00", "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": "2018-03-01T06:27:42+03:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T03:51:20+03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-02-28", "window": { "start": { "local": "2018-02-28T16:23:51+03:00", "utc": "2018-02-28T13:23:51Z", "ms": 1519824231091.176 }, "end": { "local": "2018-02-28T18:38:49+03:00", "utc": "2018-02-28T15:38:49Z", "ms": 1519832328526.372 } }, "covered_min": 0, "window_min": 135, "qualifies": false }, { "local_date": "2018-03-01", "window": { "start": { "local": "2018-03-01T16:24:26+03:00", "utc": "2018-03-01T13:24:26Z", "ms": 1519910666234.0142 }, "end": { "local": "2018-03-01T18:39:55+03:00", "utc": "2018-03-01T15:39:55Z", "ms": 1519918794681.233 } }, "covered_min": 135, "window_min": 135, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:28 on Thu 1 Mar to 03:51 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: 16:24–18:39 on the 28th, 16:24–18:40 on the 1st.", "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 135 minutes on the 28th and 135 of 135 on the 1st.", "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 33085 s" }, { "step": "ruling", "text": "Holikā Dahana, Ankara, 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 Ankara, Holikā Dahana 2018 falls on Thursday 1 March. Pūrṇimā runs from 06:28 on Thu 1 Mar to 03:51 on Fri 2 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33085, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-01T06:27:42+03:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T03:51:20+03:00", "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": "2018-03-01T06:27:42+03:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T03:51:20+03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-02-28", "window": { "start": { "local": "2018-02-28T16:23:51+03:00", "utc": "2018-02-28T13:23:51Z", "ms": 1519824231091.176 }, "end": { "local": "2018-02-28T18:38:49+03:00", "utc": "2018-02-28T15:38:49Z", "ms": 1519832328526.372 } }, "covered_min": 0, "window_min": 135, "qualifies": false }, { "local_date": "2018-03-01", "window": { "start": { "local": "2018-03-01T16:24:26+03:00", "utc": "2018-03-01T13:24:26Z", "ms": 1519910666234.0142 }, "end": { "local": "2018-03-01T18:39:55+03:00", "utc": "2018-03-01T15:39:55Z", "ms": 1519918794681.233 } }, "covered_min": 135, "window_min": 135, "qualifies": true } ], "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 06:28 on Thu 1 Mar to 03:51 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: 16:24–18:39 on the 28th, 16:24–18:40 on the 1st.", "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 135 minutes on the 28th and 135 of 135 on the 1st.", "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 33085 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, Ankara, 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 Ankara, Holī 2018 falls on Friday 2 March. It is kept the day after Holikā Dahana, which falls on Thursday 1 March. Pūrṇimā runs from 06:28 on Thu 1 Mar to 03:51 on Fri 2 Mar and covers all of sāyāhna on the 1st.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12583, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-03-02T03:51:20+03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "end": { "local": "2018-03-03T01:35:31+03:00", "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": "2018-03-02T03:51:20+03:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "end": { "local": "2018-03-03T01:35:31+03:00", "utc": "2018-03-02T22:35:31Z", "ms": 1520030131395.1226 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-02", "window": { "start": { "local": "2018-03-02T07:21:03+03:00", "utc": "2018-03-02T04:21:03Z", "ms": 1519964462826.3252 }, "end": { "local": "2018-03-02T07:21:03+03:00", "utc": "2018-03-02T04:21:03Z", "ms": 1519964462826.3252 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-03-03", "window": { "start": { "local": "2018-03-03T07:19:33+03:00", "utc": "2018-03-03T04:19:33Z", "ms": 1520050772530.1638 }, "end": { "local": "2018-03-03T07:19:33+03:00", "utc": "2018-03-03T04:19:33Z", "ms": 1520050772530.1638 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:51 on Fri 2 Mar to 01:36 on Sat 3 Mar.", "fact": "2018-03-02T00:51:20Z → 2018-03-02T22:35:31Z" }, { "step": "kaala", "text": "Sunrise is at 07:21 on the 2nd and 07:20 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 12583 s" }, { "step": "ruling", "text": "Vasantotsava, Ankara, 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 Ankara, Vasantotsava 2018 falls on Friday 2 March. Pratipadā runs from 03:51 on Fri 2 Mar to 01:36 on Sat 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-03-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-04", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1510, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-03-04T22:37:56+03:00", "utc": "2018-03-04T19:37:56Z", "ms": 1520192276265.9006 }, "end": { "local": "2018-03-05T22:09:45+03:00", "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": "2018-03-04T22:37:56+03:00", "utc": "2018-03-04T19:37:56Z", "ms": 1520192276265.9006 }, "end": { "local": "2018-03-05T22:09:45+03:00", "utc": "2018-03-05T19:09:45Z", "ms": 1520276985167.4338 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-03-04", "window": { "start": { "local": "2018-03-04T21:31:19+03:00", "utc": "2018-03-04T18:31:19Z", "ms": 1520188279025.1501 }, "end": { "local": "2018-03-04T21:31:19+03:00", "utc": "2018-03-04T18:31:19Z", "ms": 1520188279025.1501 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-03-05", "window": { "start": { "local": "2018-03-05T22:34:55+03:00", "utc": "2018-03-05T19:34:55Z", "ms": 1520278494840.3755 }, "end": { "local": "2018-03-05T22:34:55+03:00", "utc": "2018-03-05T19:34:55Z", "ms": 1520278494840.3755 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:38 on Sun 4 Mar to 22:10 on Mon 5 Mar.", "fact": "2018-03-04T19:37:56Z → 2018-03-05T19:09:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:31 on the 4th and 22:35 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 not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1510 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 2018: Sunday 4 March.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-03-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-04", "confidence": "boundary" } ], "quote": "In Ankara, Saṅkaṣṭa Caturthī 2018 falls on Sunday 4 March. Caturthī runs from 22:38 on Sun 4 Mar to 22:10 on Mon 5 Mar, and is current at moonrise on neither day.", "cite": "https://ahargana.org/ankara/festivals/2018/sankashta-chaturthi?on=2018-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ankara/festivals/2018/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32652, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-03-09T01:15:01+03:00", "utc": "2018-03-08T22:15:01Z", "ms": 1520547301334.054 }, "end": { "local": "2018-03-10T03:30:59+03:00", "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": "2018-03-09T01:15:01+03:00", "utc": "2018-03-08T22:15:01Z", "ms": 1520547301334.054 }, "end": { "local": "2018-03-10T03:30:59+03:00", "utc": "2018-03-10T00:30:59Z", "ms": 1520641859012.4749 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-09", "window": { "start": { "local": "2018-03-09T12:35:26+03:00", "utc": "2018-03-09T09:35:26Z", "ms": 1520588126134.9004 }, "end": { "local": "2018-03-09T13:23:26+03:00", "utc": "2018-03-09T10:23:26Z", "ms": 1520591006134.9004 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-10", "window": { "start": { "local": "2018-03-10T12:35:11+03:00", "utc": "2018-03-10T09:35:11Z", "ms": 1520674510976.8145 }, "end": { "local": "2018-03-10T13:23:11+03:00", "utc": "2018-03-10T10:23:11Z", "ms": 1520677390976.8145 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:15 on Fri 9 Mar to 03:31 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: 12:35–13:23 on the 9th, 12:35–13:23 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 32652 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Ankara, 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 Ankara, Śītalāṣṭamī 2018 falls on Friday 9 March. Aṣṭamī runs from 01:15 on Fri 9 Mar to 03:31 on Sat 10 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-03-13", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5897, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-03-12T08:43:52+03:00", "utc": "2018-03-12T05:43:52Z", "ms": 1520833432205.4226 }, "end": { "local": "2018-03-13T11:11:19+03:00", "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": "2018-03-12T08:43:52+03:00", "utc": "2018-03-12T05:43:52Z", "ms": 1520833432205.4226 }, "end": { "local": "2018-03-13T11:11:19+03:00", "utc": "2018-03-13T08:11:19Z", "ms": 1520928678778.7065 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-12", "window": { "start": { "local": "2018-03-12T07:05:35+03:00", "utc": "2018-03-12T04:05:35Z", "ms": 1520827535048.838 }, "end": { "local": "2018-03-12T07:05:35+03:00", "utc": "2018-03-12T04:05:35Z", "ms": 1520827535048.838 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-03-13", "window": { "start": { "local": "2018-03-13T07:04:00+03:00", "utc": "2018-03-13T04:04:00Z", "ms": 1520913839833.0457 }, "end": { "local": "2018-03-13T07:04:00+03:00", "utc": "2018-03-13T04:04:00Z", "ms": 1520913839833.0457 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:44 on Mon 12 Mar to 11:11 on Tue 13 Mar.", "fact": "2018-03-12T05:43:52Z → 2018-03-13T08:11:19Z" }, { "step": "kaala", "text": "Sunrise is at 07:06 on the 12th and 07:04 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 5897 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Ankara, 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 Ankara, Pāpamocanī Ekādaśī 2018 falls on Tuesday 13 March. Ekādaśī runs from 08:44 on Mon 12 Mar to 11:11 on Tue 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-03-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14719, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-14T13:15:56+03:00", "utc": "2018-03-14T10:15:56Z", "ms": 1521022555743.3228 }, "end": { "local": "2018-03-15T14:49:34+03:00", "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": "2018-03-14T13:15:56+03:00", "utc": "2018-03-14T10:15:56Z", "ms": 1521022555743.3228 }, "end": { "local": "2018-03-15T14:49:34+03:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-03-14", "window": { "start": { "local": "2018-03-14T18:53:50+03:00", "utc": "2018-03-14T15:53:50Z", "ms": 1521042830422.027 }, "end": { "local": "2018-03-14T20:30:46+03:00", "utc": "2018-03-14T17:30:46Z", "ms": 1521048646162.0732 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2018-03-15", "window": { "start": { "local": "2018-03-15T18:54:53+03:00", "utc": "2018-03-15T15:54:53Z", "ms": 1521129293131.2917 }, "end": { "local": "2018-03-15T20:31:28+03:00", "utc": "2018-03-15T17:31:28Z", "ms": 1521135087698.5337 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:16 on Wed 14 Mar to 14:50 on Thu 15 Mar.", "fact": "2018-03-14T10:15:56Z → 2018-03-15T11:49:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:31 on the 14th, 18:55–20:31 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 14th and 0 of 97 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14719 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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 Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Wednesday 14 March. Trayodaśī runs from 13:16 on Wed 14 Mar to 14:50 on Thu 15 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-03-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31471, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-03-15T14:49:34+03:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "end": { "local": "2018-03-16T15:48:14+03:00", "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": "2018-03-15T14:49:34+03:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "end": { "local": "2018-03-16T15:48:14+03:00", "utc": "2018-03-16T12:48:14Z", "ms": 1521204494383.6106 } }, "kaala": "nishita", "days": [ { "local_date": "2018-03-15", "window": { "start": { "local": "2018-03-16T00:33:03+03:00", "utc": "2018-03-15T21:33:03Z", "ms": 1521149582758.4487 }, "end": { "local": "2018-03-16T01:21:03+03:00", "utc": "2018-03-15T22:21:03Z", "ms": 1521152462758.4487 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-16", "window": { "start": { "local": "2018-03-17T00:32:46+03:00", "utc": "2018-03-16T21:32:46Z", "ms": 1521235965857.9092 }, "end": { "local": "2018-03-17T01:20:46+03:00", "utc": "2018-03-16T22:20:46Z", "ms": 1521238845857.9092 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:50 on Thu 15 Mar to 15:48 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: 00:33–01:21 on the 15th, 00:33–01:21 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 31471 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 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 Ankara, Śivarātri 2018 falls on Thursday 15 March. Caturdaśī runs from 14:50 on Thu 15 Mar to 15:48 on Fri 16 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9655, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-03-17T16:11:34+03:00", "utc": "2018-03-17T13:11:34Z", "ms": 1521292293885.157 }, "end": { "local": "2018-03-18T16:01:54+03:00", "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": "2018-03-17T16:11:34+03:00", "utc": "2018-03-17T13:11:34Z", "ms": 1521292293885.157 }, "end": { "local": "2018-03-18T16:01:54+03:00", "utc": "2018-03-18T13:01:54Z", "ms": 1521378114379.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-17", "window": { "start": { "local": "2018-03-17T12:33:17+03:00", "utc": "2018-03-17T09:33:17Z", "ms": 1521279197024.9807 }, "end": { "local": "2018-03-17T13:21:17+03:00", "utc": "2018-03-17T10:21:17Z", "ms": 1521282077024.9807 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-18", "window": { "start": { "local": "2018-03-18T12:33:00+03:00", "utc": "2018-03-18T09:33:00Z", "ms": 1521365579840.1328 }, "end": { "local": "2018-03-18T13:21:00+03:00", "utc": "2018-03-18T10:21:00Z", "ms": 1521368459840.1328 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:12 on Sat 17 Mar to 16:02 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: 12:33–13:21 on the 17th, 12:33–13:21 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 9655 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Ankara, 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 Ankara, Navarātrārambha (Caitra) (Chaitra Navratri) 2018 falls on Sunday 18 March. Pratipadā runs from 16:12 on Sat 17 Mar to 16:02 on Sun 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3611, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-03-19T15:23:19+03:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T14:20:36+03:00", "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": "2018-03-19T15:23:19+03:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T14:20:36+03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-19", "window": { "start": { "local": "2018-03-19T12:32:42+03:00", "utc": "2018-03-19T09:32:42Z", "ms": 1521451962479.8652 }, "end": { "local": "2018-03-19T13:20:42+03:00", "utc": "2018-03-19T10:20:42Z", "ms": 1521454842479.8652 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T12:32:25+03:00", "utc": "2018-03-20T09:32:25Z", "ms": 1521538344960.7217 }, "end": { "local": "2018-03-20T13:20:25+03:00", "utc": "2018-03-20T10:20:25Z", "ms": 1521541224960.7217 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:23 on Mon 19 Mar to 14:21 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: 12:33–13:21 on the 19th, 12:32–13:20 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 3611 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Ankara, 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 Ankara, Gaurī Tṛtīyā (Gangaur) 2018 falls on Tuesday 20 March. Tṛtīyā runs from 15:23 on Mon 19 Mar to 14:21 on Tue 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3611, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-03-19T15:23:19+03:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T14:20:36+03:00", "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": "2018-03-19T15:23:19+03:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T14:20:36+03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-19", "window": { "start": { "local": "2018-03-19T12:32:42+03:00", "utc": "2018-03-19T09:32:42Z", "ms": 1521451962479.8652 }, "end": { "local": "2018-03-19T13:20:42+03:00", "utc": "2018-03-19T10:20:42Z", "ms": 1521454842479.8652 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T12:32:25+03:00", "utc": "2018-03-20T09:32:25Z", "ms": 1521538344960.7217 }, "end": { "local": "2018-03-20T13:20:25+03:00", "utc": "2018-03-20T10:20:25Z", "ms": 1521541224960.7217 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:23 on Mon 19 Mar to 14:21 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: 12:33–13:21 on the 19th, 12:32–13:20 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 3611 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Ankara, 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 Ankara, Saubhāgya Śayana Vrata 2018 falls on Tuesday 20 March. Tṛtīyā runs from 15:23 on Mon 19 Mar to 14:21 on Tue 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1292, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-03-21T12:58:35+03:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "end": { "local": "2018-03-22T11:21:36+03:00", "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": "2018-03-21T12:58:35+03:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "end": { "local": "2018-03-22T11:21:36+03:00", "utc": "2018-03-22T08:21:36Z", "ms": 1521706896378.8286 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-21", "window": { "start": { "local": "2018-03-21T12:32:07+03:00", "utc": "2018-03-21T09:32:07Z", "ms": 1521624727299.395 }, "end": { "local": "2018-03-21T13:20:07+03:00", "utc": "2018-03-21T10:20:07Z", "ms": 1521627607299.395 } }, "covered_min": 22, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-22", "window": { "start": { "local": "2018-03-22T12:31:50+03:00", "utc": "2018-03-22T09:31:50Z", "ms": 1521711109512.9497 }, "end": { "local": "2018-03-22T13:19:50+03:00", "utc": "2018-03-22T10:19:50Z", "ms": 1521713989512.9497 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:59 on Wed 21 Mar to 11:22 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: 12:32–13:20 on the 21st, 12:32–13:20 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 22 of 48 minutes on the 21st and 0 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 1292 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Ankara, 2018: Wednesday 21 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": "2018-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-21", "confidence": "determinate" } ], "quote": "In Ankara, Lakṣmī Pañcamī 2018 falls on Wednesday 21 March. Pañcamī runs from 12:59 on Wed 21 Mar to 11:22 on Thu 22 Mar and covers 22 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-03-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1292, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-03-20T14:20:36+03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "end": { "local": "2018-03-21T12:58:35+03:00", "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": "2018-03-20T14:20:36+03:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "end": { "local": "2018-03-21T12:58:35+03:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T12:32:25+03:00", "utc": "2018-03-20T09:32:25Z", "ms": 1521538344960.7217 }, "end": { "local": "2018-03-20T13:20:25+03:00", "utc": "2018-03-20T10:20:25Z", "ms": 1521541224960.7217 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-21", "window": { "start": { "local": "2018-03-21T12:32:07+03:00", "utc": "2018-03-21T09:32:07Z", "ms": 1521624727299.395 }, "end": { "local": "2018-03-21T13:20:07+03:00", "utc": "2018-03-21T10:20:07Z", "ms": 1521627607299.395 } }, "covered_min": 26, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:21 on Tue 20 Mar to 12:59 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: 12:32–13:20 on the 20th, 12:32–13:20 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 26 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 1292 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 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 Ankara, Vināyaka Caturthī 2018 falls on Wednesday 21 March. Caturthī runs from 14:21 on Tue 20 Mar to 12:59 on Wed 21 Mar and covers 26 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17700, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-03-24T07:36:14+03:00", "utc": "2018-03-24T04:36:14Z", "ms": 1521866174113.8967 }, "end": { "local": "2018-03-25T05:32:42+03:00", "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": "2018-03-24T07:36:14+03:00", "utc": "2018-03-24T04:36:14Z", "ms": 1521866174113.8967 }, "end": { "local": "2018-03-25T05:32:42+03:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-24", "window": { "start": { "local": "2018-03-24T12:31:14+03:00", "utc": "2018-03-24T09:31:14Z", "ms": 1521883873636.1223 }, "end": { "local": "2018-03-24T13:19:14+03:00", "utc": "2018-03-24T10:19:14Z", "ms": 1521886753636.1223 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-25", "window": { "start": { "local": "2018-03-25T12:30:56+03:00", "utc": "2018-03-25T09:30:56Z", "ms": 1521970255583.5767 }, "end": { "local": "2018-03-25T13:18:56+03:00", "utc": "2018-03-25T10:18:56Z", "ms": 1521973135583.5767 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:36 on Sat 24 Mar to 05:33 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: 12:31–13:19 on the 24th, 12:31–13:19 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 17700 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Ankara, 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 Ankara, Bhavānī Utpatti 2018 falls on Saturday 24 March. Aṣṭamī runs from 07:36 on Sat 24 Mar to 05:33 on Sun 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25094, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-03-25T05:32:42+03:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "end": { "local": "2018-03-26T03:24:26+03:00", "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": "2018-03-25T05:32:42+03:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "end": { "local": "2018-03-26T03:24:26+03:00", "utc": "2018-03-26T00:24:26Z", "ms": 1522023865953.7659 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-25", "window": { "start": { "local": "2018-03-25T12:30:56+03:00", "utc": "2018-03-25T09:30:56Z", "ms": 1521970255583.5767 }, "end": { "local": "2018-03-25T13:18:56+03:00", "utc": "2018-03-25T10:18:56Z", "ms": 1521973135583.5767 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-26", "window": { "start": { "local": "2018-03-26T12:30:37+03:00", "utc": "2018-03-26T09:30:37Z", "ms": 1522056637481.842 }, "end": { "local": "2018-03-26T13:18:37+03:00", "utc": "2018-03-26T10:18:37Z", "ms": 1522059517481.842 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:33 on Sun 25 Mar to 03:24 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: 12:31–13:19 on the 25th, 12:31–13:19 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 25094 s" }, { "step": "ruling", "text": "Rāma Navamī, Ankara, 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 Ankara, Rāma Navamī 2018 falls on Sunday 25 March. Navamī runs from 05:33 on Sun 25 Mar to 03:24 on Mon 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-03-27", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19685, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-03-27T01:13:22+03:00", "utc": "2018-03-26T22:13:22Z", "ms": 1522102401600.8262 }, "end": { "local": "2018-03-27T23:01:58+03:00", "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": "2018-03-27T01:13:22+03:00", "utc": "2018-03-26T22:13:22Z", "ms": 1522102401600.8262 }, "end": { "local": "2018-03-27T23:01:58+03:00", "utc": "2018-03-27T20:01:58Z", "ms": 1522180917921.2026 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-27", "window": { "start": { "local": "2018-03-27T06:41:26+03:00", "utc": "2018-03-27T03:41:26Z", "ms": 1522122086195.704 }, "end": { "local": "2018-03-27T06:41:26+03:00", "utc": "2018-03-27T03:41:26Z", "ms": 1522122086195.704 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T06:39:49+03:00", "utc": "2018-03-28T03:39:49Z", "ms": 1522208389184.4385 }, "end": { "local": "2018-03-28T06:39:49+03:00", "utc": "2018-03-28T03:39:49Z", "ms": 1522208389184.4385 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:13 on Tue 27 Mar to 23:02 on Tue 27 Mar.", "fact": "2018-03-26T22:13:22Z → 2018-03-27T20:01:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:41 on the 27th and 06:40 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 19685 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Ankara, 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 Ankara, Kāmadā Ekādaśī 2018 falls on Tuesday 27 March. Ekādaśī runs from 01:13 on Tue 27 Mar to 23:02 on Tue 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-03-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-28", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 805, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-28T20:53:38+03:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T18:52:50+03:00", "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": "2018-03-28T20:53:38+03:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T18:52:50+03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T19:08:13+03:00", "utc": "2018-03-28T16:08:13Z", "ms": 1522253293251.1138 }, "end": { "local": "2018-03-28T20:40:13+03:00", "utc": "2018-03-28T17:40:13Z", "ms": 1522258813123.5144 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T19:09:14+03:00", "utc": "2018-03-29T16:09:14Z", "ms": 1522339753908.2659 }, "end": { "local": "2018-03-29T20:40:53+03:00", "utc": "2018-03-29T17:40:53Z", "ms": 1522345252794.8416 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:54 on Wed 28 Mar to 18:53 on Thu 29 Mar.", "fact": "2018-03-28T17:53:38Z → 2018-03-29T15:52:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:08–20:40 on the 28th, 19:09–20:41 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 92 minutes on the 28th and 0 of 92 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 805 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 2018: Wednesday 28 March.", "fact": "confidence: boundary (absent-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": "2018-03-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-03-28", "confidence": "determinate" } ], "quote": "In Ankara, Śukla Pradoṣa Vrata 2018 falls on Wednesday 28 March. Trayodaśī runs from 20:54 on Wed 28 Mar to 18:53 on Thu 29 Mar, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/ankara/festivals/2018/pradosha-vrata?on=2018-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ankara/festivals/2018/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20107, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-28T20:53:38+03:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T18:52:50+03:00", "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": "2018-03-28T20:53:38+03:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T18:52:50+03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T12:30:01+03:00", "utc": "2018-03-28T09:30:01Z", "ms": 1522229401217.7761 }, "end": { "local": "2018-03-28T13:18:01+03:00", "utc": "2018-03-28T10:18:01Z", "ms": 1522232281217.7761 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T12:29:43+03:00", "utc": "2018-03-29T09:29:43Z", "ms": 1522315783101.1924 }, "end": { "local": "2018-03-29T13:17:43+03:00", "utc": "2018-03-29T10:17:43Z", "ms": 1522318663101.1924 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:54 on Wed 28 Mar to 18:53 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: 12:30–13:18 on the 28th, 12:30–13:18 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 20107 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Ankara, 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 Ankara, Anaṅga Trayodaśī 2018 falls on Thursday 29 March. Trayodaśī runs from 20:54 on Wed 28 Mar to 18:53 on Thu 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13662, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-03-29T18:52:50+03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "end": { "local": "2018-03-30T17:05:07+03:00", "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": "2018-03-29T18:52:50+03:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "end": { "local": "2018-03-30T17:05:07+03:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T12:29:43+03:00", "utc": "2018-03-29T09:29:43Z", "ms": 1522315783101.1924 }, "end": { "local": "2018-03-29T13:17:43+03:00", "utc": "2018-03-29T10:17:43Z", "ms": 1522318663101.1924 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-30", "window": { "start": { "local": "2018-03-30T12:29:25+03:00", "utc": "2018-03-30T09:29:25Z", "ms": 1522402165026.4211 }, "end": { "local": "2018-03-30T13:17:25+03:00", "utc": "2018-03-30T10:17:25Z", "ms": 1522405045026.4211 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:53 on Thu 29 Mar to 17:05 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: 12:30–13:18 on the 29th, 12:29–13:17 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 13662 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Ankara, 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 Ankara, Viṣṇudamanaka Caturdaśī 2018 falls on Friday 30 March. Caturdaśī runs from 18:53 on Thu 29 Mar to 17:05 on Fri 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8384, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-30T17:05:07+03:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "end": { "local": "2018-03-31T15:36:51+03:00", "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": "2018-03-30T17:05:07+03:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "end": { "local": "2018-03-31T15:36:51+03:00", "utc": "2018-03-31T12:36:51Z", "ms": 1522499810602.4788 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-30", "window": { "start": { "local": "2018-03-30T12:29:25+03:00", "utc": "2018-03-30T09:29:25Z", "ms": 1522402165026.4211 }, "end": { "local": "2018-03-30T13:17:25+03:00", "utc": "2018-03-30T10:17:25Z", "ms": 1522405045026.4211 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-31", "window": { "start": { "local": "2018-03-31T12:29:07+03:00", "utc": "2018-03-31T09:29:07Z", "ms": 1522488547017.3525 }, "end": { "local": "2018-03-31T13:17:07+03:00", "utc": "2018-03-31T10:17:07Z", "ms": 1522491427017.3525 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:05 on Fri 30 Mar to 15:37 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: 12:29–13:17 on the 30th, 12:29–13:17 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 8384 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Ankara, 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 Ankara, Caitrī Pūrṇimā 2018 falls on Saturday 31 March. Pūrṇimā runs from 17:05 on Fri 30 Mar to 15:37 on Sat 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-04-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29279, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-04-03T14:13:50+03:00", "utc": "2018-04-03T11:13:50Z", "ms": 1522754029994.8984 }, "end": { "local": "2018-04-04T15:02:47+03:00", "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": "2018-04-03T14:13:50+03:00", "utc": "2018-04-03T11:13:50Z", "ms": 1522754029994.8984 }, "end": { "local": "2018-04-04T15:02:47+03:00", "utc": "2018-04-04T12:02:47Z", "ms": 1522843367219.3318 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-04-03", "window": { "start": { "local": "2018-04-03T22:21:49+03:00", "utc": "2018-04-03T19:21:49Z", "ms": 1522783309444.9055 }, "end": { "local": "2018-04-03T22:21:49+03:00", "utc": "2018-04-03T19:21:49Z", "ms": 1522783309444.9055 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-04-04", "window": { "start": { "local": "2018-04-04T23:21:05+03:00", "utc": "2018-04-04T20:21:05Z", "ms": 1522873264552.726 }, "end": { "local": "2018-04-04T23:21:05+03:00", "utc": "2018-04-04T20:21:05Z", "ms": 1522873264552.726 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:14 on Tue 3 Apr to 15:03 on Wed 4 Apr.", "fact": "2018-04-03T11:13:50Z → 2018-04-04T12:02:47Z" }, { "step": "kaala", "text": "Moonrise is at 22:22 on the 3rd and 23:21 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 29279 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 3 April. Caturthī runs from 14:14 on Tue 3 Apr to 15:03 on Wed 4 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-04-11", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1976, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-04-11T04:10:40+03:00", "utc": "2018-04-11T01:10:40Z", "ms": 1523409040078.2864 }, "end": { "local": "2018-04-12T05:43:11+03:00", "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": "2018-04-11T04:10:40+03:00", "utc": "2018-04-11T01:10:40Z", "ms": 1523409040078.2864 }, "end": { "local": "2018-04-12T05:43:11+03:00", "utc": "2018-04-12T02:43:11Z", "ms": 1523500990643.2297 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-04-11", "window": { "start": { "local": "2018-04-11T06:17:38+03:00", "utc": "2018-04-11T03:17:38Z", "ms": 1523416658449.861 }, "end": { "local": "2018-04-11T06:17:38+03:00", "utc": "2018-04-11T03:17:38Z", "ms": 1523416658449.861 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-04-12", "window": { "start": { "local": "2018-04-12T06:16:07+03:00", "utc": "2018-04-12T03:16:07Z", "ms": 1523502966616.1353 }, "end": { "local": "2018-04-12T06:16:07+03:00", "utc": "2018-04-12T03:16:07Z", "ms": 1523502966616.1353 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:11 on Wed 11 Apr to 05:43 on Thu 12 Apr.", "fact": "2018-04-11T01:10:40Z → 2018-04-12T02:43:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:18 on the 11th and 06:16 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 1976 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Ankara, 2018: Wednesday 11 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": "2018-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-11", "confidence": "determinate" } ], "quote": "In Ankara, Varūthinī Ekādaśī 2018 falls on Wednesday 11 April. Ekādaśī runs from 04:11 on Wed 11 Apr to 05:43 on Thu 12 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/festivals/2018/ekadashi?on=2018-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ankara/festivals/2018/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1810, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2018-04-14T05:42:55+03:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 }, "end": { "local": "2018-05-15T02:33:16+03:00", "utc": "2018-05-14T23:33:16Z", "ms": 1526340795624.5295 } }, "span": { "of": "transit", "start": { "local": "2018-04-14T05:42:55+03:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 }, "end": { "local": "2018-04-14T05:42:55+03:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 } }, "kaala": "day", "days": [ { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T06:14:35+03:00", "utc": "2018-04-13T03:14:35Z", "ms": 1523589275373.2468 }, "end": { "local": "2018-04-14T06:13:05+03:00", "utc": "2018-04-14T03:13:05Z", "ms": 1523675584750.0684 } }, "covered_min": 1, "window_min": 1438, "qualifies": true }, { "local_date": "2018-04-14", "window": { "start": { "local": "2018-04-14T06:13:05+03:00", "utc": "2018-04-14T03:13:05Z", "ms": 1523675584750.0684 }, "end": { "local": "2018-04-15T06:11:35+03:00", "utc": "2018-04-15T03:11:35Z", "ms": 1523761894774.9822 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 05:43 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 06:15 on the 13th, and from 06:13 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 1810 s" }, { "step": "ruling", "text": "Vaiśākhī, Ankara, 2018: Friday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-13", "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 Ankara, Vaiśākhī 2018 falls on Friday 13 April. The Sun enters Meṣa at 05:43 on Sat 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-04-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35050, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-04-13T06:34:21+03:00", "utc": "2018-04-13T03:34:21Z", "ms": 1523590460980.756 }, "end": { "local": "2018-04-14T06:41:53+03:00", "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": "2018-04-13T06:34:21+03:00", "utc": "2018-04-13T03:34:21Z", "ms": 1523590460980.756 }, "end": { "local": "2018-04-14T06:41:53+03:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-12", "window": { "start": { "local": "2018-04-12T19:23:21+03:00", "utc": "2018-04-12T16:23:21Z", "ms": 1523550201236.457 }, "end": { "local": "2018-04-12T20:50:11+03:00", "utc": "2018-04-12T17:50:11Z", "ms": 1523555411121.3623 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T19:24:22+03:00", "utc": "2018-04-13T16:24:22Z", "ms": 1523636661938.5894 }, "end": { "local": "2018-04-13T20:50:52+03:00", "utc": "2018-04-13T17:50:52Z", "ms": 1523641851646.7866 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:34 on Fri 13 Apr to 06:42 on Sat 14 Apr.", "fact": "2018-04-13T03:34:21Z → 2018-04-14T03:41:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:23–20:50 on the 12th, 19:24–20:51 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 87 minutes on the 12th and 86 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 35050 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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 Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 13 April. Trayodaśī runs from 06:34 on Fri 13 Apr to 06:42 on Sat 14 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-04-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17717, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-04-14T06:41:53+03:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "end": { "local": "2018-04-15T06:07:46+03:00", "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": "2018-04-14T06:41:53+03:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "end": { "local": "2018-04-15T06:07:46+03:00", "utc": "2018-04-15T03:07:46Z", "ms": 1523761665861.241 } }, "kaala": "nishita", "days": [ { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-14T00:24:43+03:00", "utc": "2018-04-13T21:24:43Z", "ms": 1523654683344.3289 }, "end": { "local": "2018-04-14T01:12:43+03:00", "utc": "2018-04-13T22:12:43Z", "ms": 1523657563344.3289 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-14", "window": { "start": { "local": "2018-04-15T00:24:29+03:00", "utc": "2018-04-14T21:24:29Z", "ms": 1523741068725.975 }, "end": { "local": "2018-04-15T01:12:29+03:00", "utc": "2018-04-14T22:12:29Z", "ms": 1523743948725.975 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:42 on Sat 14 Apr to 06:08 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: 00:25–01:13 on the 13th, 00:24–01:12 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 17717 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 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 Ankara, Śivarātri 2018 falls on Saturday 14 April. Caturdaśī runs from 06:42 on Sat 14 Apr to 06:08 on Sun 15 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17509, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-04-18T01:15:20+03:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T22:59:58+03:00", "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": "2018-04-18T01:15:20+03:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T22:59:58+03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T06:07:09+03:00", "utc": "2018-04-18T03:07:09Z", "ms": 1524020829015.925 }, "end": { "local": "2018-04-18T10:34:35+03:00", "utc": "2018-04-18T07:34:35Z", "ms": 1524036874643.7805 } }, "covered_min": 267, "window_min": 267, "qualifies": true }, { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T06:05:42+03:00", "utc": "2018-04-19T03:05:42Z", "ms": 1524107141910.2378 }, "end": { "local": "2018-04-19T10:33:57+03:00", "utc": "2018-04-19T07:33:57Z", "ms": 1524123236852.612 } }, "covered_min": 0, "window_min": 268, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:15 on Wed 18 Apr to 23:00 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: 06:07–10:35 on the 18th, 06:06–10:34 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 267 of 267 minutes on the 18th and 0 of 268 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 17509 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Ankara, 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 Ankara, Akṣaya Tṛtīyā 2018 falls on Wednesday 18 April. Tṛtīyā runs from 01:15 on Wed 18 Apr to 23:00 on Wed 18 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7542, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-04-18T01:15:20+03:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T22:59:58+03:00", "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": "2018-04-18T01:15:20+03:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T22:59:58+03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-17", "window": { "start": { "local": "2018-04-17T19:28:25+03:00", "utc": "2018-04-17T16:28:25Z", "ms": 1523982505066.3638 }, "end": { "local": "2018-04-17T20:53:35+03:00", "utc": "2018-04-17T17:53:35Z", "ms": 1523987614926.3052 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T19:29:26+03:00", "utc": "2018-04-18T16:29:26Z", "ms": 1524068965899.4912 }, "end": { "local": "2018-04-18T20:54:16+03:00", "utc": "2018-04-18T17:54:16Z", "ms": 1524074056034.2573 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:15 on Wed 18 Apr to 23:00 on Wed 18 Apr.", "fact": "2018-04-17T22:15:20Z → 2018-04-18T19:59:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:28–20:54 on the 17th, 19:29–20:54 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 85 minutes on the 17th and 85 of 85 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 7542 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Ankara, 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 Ankara, Paraśurāma Jayantī 2018 falls on Wednesday 18 April. Tṛtīyā runs from 01:15 on Wed 18 Apr to 23:00 on Wed 18 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-04-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26763, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-04-18T22:59:58+03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "end": { "local": "2018-04-19T20:38:07+03:00", "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": "2018-04-18T22:59:58+03:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "end": { "local": "2018-04-19T20:38:07+03:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T12:24:17+03:00", "utc": "2018-04-18T09:24:17Z", "ms": 1524043457457.708 }, "end": { "local": "2018-04-18T13:12:17+03:00", "utc": "2018-04-18T10:12:17Z", "ms": 1524046337457.708 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T12:24:04+03:00", "utc": "2018-04-19T09:24:04Z", "ms": 1524129844323.7993 }, "end": { "local": "2018-04-19T13:12:04+03:00", "utc": "2018-04-19T10:12:04Z", "ms": 1524132724323.7993 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:00 on Wed 18 Apr to 20:38 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: 12:24–13:12 on the 18th, 12:24–13:12 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 26763 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 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 Ankara, Vināyaka Caturthī 2018 falls on Thursday 19 April. Caturthī runs from 23:00 on Wed 18 Apr to 20:38 on Thu 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18240, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-04-19T20:38:07+03:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "end": { "local": "2018-04-20T18:15:52+03:00", "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": "2018-04-19T20:38:07+03:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "end": { "local": "2018-04-20T18:15:52+03:00", "utc": "2018-04-20T15:15:52Z", "ms": 1524237351761.3696 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T12:24:04+03:00", "utc": "2018-04-19T09:24:04Z", "ms": 1524129844323.7993 }, "end": { "local": "2018-04-19T13:12:04+03:00", "utc": "2018-04-19T10:12:04Z", "ms": 1524132724323.7993 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-20", "window": { "start": { "local": "2018-04-20T12:23:52+03:00", "utc": "2018-04-20T09:23:52Z", "ms": 1524216231581.1997 }, "end": { "local": "2018-04-20T13:11:52+03:00", "utc": "2018-04-20T10:11:52Z", "ms": 1524219111581.1997 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:38 on Thu 19 Apr to 18:16 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: 12:24–13:12 on the 19th, 12:24–13:12 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 18240 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Ankara, 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 Ankara, Śaṅkara Jayantī 2018 falls on Friday 20 April. Pañcamī runs from 20:38 on Thu 19 Apr to 18:16 on Fri 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2155, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-04-21T15:57:52+03:00", "utc": "2018-04-21T12:57:52Z", "ms": 1524315472092.0146 }, "end": { "local": "2018-04-22T13:47:22+03:00", "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": "2018-04-21T15:57:52+03:00", "utc": "2018-04-21T12:57:52Z", "ms": 1524315472092.0146 }, "end": { "local": "2018-04-22T13:47:22+03:00", "utc": "2018-04-22T10:47:22Z", "ms": 1524394042025.2275 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-21", "window": { "start": { "local": "2018-04-21T12:23:39+03:00", "utc": "2018-04-21T09:23:39Z", "ms": 1524302619239.8186 }, "end": { "local": "2018-04-21T13:11:39+03:00", "utc": "2018-04-21T10:11:39Z", "ms": 1524305499239.8186 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-22", "window": { "start": { "local": "2018-04-22T12:23:27+03:00", "utc": "2018-04-22T09:23:27Z", "ms": 1524389007310.1826 }, "end": { "local": "2018-04-22T13:11:27+03:00", "utc": "2018-04-22T10:11:27Z", "ms": 1524391887310.1826 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 15:58 on Sat 21 Apr to 13:47 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: 12:24–13:12 on the 21st, 12:23–13:11 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 2155 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Ankara, 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 Ankara, Gaṅgotpatti (Ganga Saptami) 2018 falls on Sunday 22 April. Saptamī runs from 15:58 on Sat 21 Apr to 13:47 on Sun 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-04-26", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3251, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-04-25T08:16:46+03:00", "utc": "2018-04-25T05:16:46Z", "ms": 1524633405949.3176 }, "end": { "local": "2018-04-26T06:50:07+03:00", "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": "2018-04-25T08:16:46+03:00", "utc": "2018-04-25T05:16:46Z", "ms": 1524633405949.3176 }, "end": { "local": "2018-04-26T06:50:07+03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-04-25", "window": { "start": { "local": "2018-04-25T05:57:17+03:00", "utc": "2018-04-25T02:57:17Z", "ms": 1524625036862.3413 }, "end": { "local": "2018-04-25T05:57:17+03:00", "utc": "2018-04-25T02:57:17Z", "ms": 1524625036862.3413 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T05:55:56+03:00", "utc": "2018-04-26T02:55:56Z", "ms": 1524711355912.8062 }, "end": { "local": "2018-04-26T05:55:56+03:00", "utc": "2018-04-26T02:55:56Z", "ms": 1524711355912.8062 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:17 on Wed 25 Apr to 06:50 on Thu 26 Apr.", "fact": "2018-04-25T05:16:46Z → 2018-04-26T03:50:07Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 25th and 05:56 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 3251 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Ankara, 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 Ankara, Mohinī Ekādaśī 2018 falls on Thursday 26 April. Ekādaśī runs from 08:17 on Wed 25 Apr to 06:50 on Thu 26 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19957, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-04-26T06:50:07+03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T05:37:42+03:00", "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": "2018-04-26T06:50:07+03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T05:37:42+03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T12:22:44+03:00", "utc": "2018-04-26T09:22:44Z", "ms": 1524734563945.1138 }, "end": { "local": "2018-04-26T13:10:44+03:00", "utc": "2018-04-26T10:10:44Z", "ms": 1524737443945.1138 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T12:22:34+03:00", "utc": "2018-04-27T09:22:34Z", "ms": 1524820954256.219 }, "end": { "local": "2018-04-27T13:10:34+03:00", "utc": "2018-04-27T10:10:34Z", "ms": 1524823834256.219 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:50 on Thu 26 Apr to 05:38 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: 12:23–13:11 on the 26th, 12:23–13:11 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 19957 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Ankara, 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 Ankara, Paraśurāma Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 06:50 on Thu 26 Apr to 05:38 on Fri 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19957, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-04-26T06:50:07+03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T05:37:42+03:00", "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": "2018-04-26T06:50:07+03:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T05:37:42+03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T12:22:44+03:00", "utc": "2018-04-26T09:22:44Z", "ms": 1524734563945.1138 }, "end": { "local": "2018-04-26T13:10:44+03:00", "utc": "2018-04-26T10:10:44Z", "ms": 1524737443945.1138 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T12:22:34+03:00", "utc": "2018-04-27T09:22:34Z", "ms": 1524820954256.219 }, "end": { "local": "2018-04-27T13:10:34+03:00", "utc": "2018-04-27T10:10:34Z", "ms": 1524823834256.219 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:50 on Thu 26 Apr to 05:38 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: 12:23–13:11 on the 26th, 12:23–13:11 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 19957 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Ankara, 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 Ankara, Rukmiṇī Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 06:50 on Thu 26 Apr to 05:38 on Fri 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-04-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27709, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-04-27T05:37:42+03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "end": { "local": "2018-04-28T04:42:20+03:00", "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": "2018-04-27T05:37:42+03:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "end": { "local": "2018-04-28T04:42:20+03:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T19:37:32+03:00", "utc": "2018-04-26T16:37:32Z", "ms": 1524760651977.4211 }, "end": { "local": "2018-04-26T20:59:49+03:00", "utc": "2018-04-26T17:59:49Z", "ms": 1524765588510.1199 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T19:38:33+03:00", "utc": "2018-04-27T16:38:33Z", "ms": 1524847112539.7764 }, "end": { "local": "2018-04-27T21:00:30+03:00", "utc": "2018-04-27T18:00:30Z", "ms": 1524852030477.881 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:38 on Fri 27 Apr to 04:42 on Sat 28 Apr.", "fact": "2018-04-27T02:37:42Z → 2018-04-28T01:42:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:38–21:00 on the 26th, 19:39–21:01 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 82 minutes on the 26th and 82 of 82 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 27709 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 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 Ankara, Śukla Pradoṣa Vrata 2018 falls on Friday 27 April. Trayodaśī runs from 05:38 on Fri 27 Apr to 04:42 on Sat 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25591, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-04-28T04:42:20+03:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "end": { "local": "2018-04-29T04:07:43+03:00", "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": "2018-04-28T04:42:20+03:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "end": { "local": "2018-04-29T04:07:43+03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T19:38:33+03:00", "utc": "2018-04-27T16:38:33Z", "ms": 1524847112539.7764 }, "end": { "local": "2018-04-27T21:00:30+03:00", "utc": "2018-04-27T18:00:30Z", "ms": 1524852030477.881 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2018-04-28", "window": { "start": { "local": "2018-04-28T19:39:33+03:00", "utc": "2018-04-28T16:39:33Z", "ms": 1524933573033.8235 }, "end": { "local": "2018-04-28T21:01:13+03:00", "utc": "2018-04-28T18:01:13Z", "ms": 1524938472530.0037 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:42 on Sat 28 Apr to 04:08 on Sun 29 Apr.", "fact": "2018-04-28T01:42:20Z → 2018-04-29T01:07:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:39–21:01 on the 27th, 19:40–21:01 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 82 minutes on the 27th and 82 of 82 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 25591 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Ankara, 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 Ankara, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2018 falls on Saturday 28 April. Caturdaśī runs from 04:42 on Sat 28 Apr to 04:08 on Sun 29 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29673, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-04-29T04:07:43+03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T03:58:11+03:00", "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": "2018-04-29T04:07:43+03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T03:58:11+03:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-29", "window": { "start": { "local": "2018-04-29T12:22:16+03:00", "utc": "2018-04-29T09:22:16Z", "ms": 1524993736353.6616 }, "end": { "local": "2018-04-29T13:10:16+03:00", "utc": "2018-04-29T10:10:16Z", "ms": 1524996616353.6616 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-30", "window": { "start": { "local": "2018-04-30T12:22:08+03:00", "utc": "2018-04-30T09:22:08Z", "ms": 1525080128164.6375 }, "end": { "local": "2018-04-30T13:10:08+03:00", "utc": "2018-04-30T10:10:08Z", "ms": 1525083008164.6375 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:08 on Sun 29 Apr to 03:58 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: 12:22–13:10 on the 29th, 12:22–13:10 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 29673 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Ankara, 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 Ankara, Buddha Pūrṇimā 2018 falls on Sunday 29 April. Pūrṇimā runs from 04:08 on Sun 29 Apr to 03:58 on Mon 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29673, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-04-29T04:07:43+03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T03:58:11+03:00", "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": "2018-04-29T04:07:43+03:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T03:58:11+03:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-29", "window": { "start": { "local": "2018-04-29T12:22:16+03:00", "utc": "2018-04-29T09:22:16Z", "ms": 1524993736353.6616 }, "end": { "local": "2018-04-29T13:10:16+03:00", "utc": "2018-04-29T10:10:16Z", "ms": 1524996616353.6616 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-30", "window": { "start": { "local": "2018-04-30T12:22:08+03:00", "utc": "2018-04-30T09:22:08Z", "ms": 1525080128164.6375 }, "end": { "local": "2018-04-30T13:10:08+03:00", "utc": "2018-04-30T10:10:08Z", "ms": 1525083008164.6375 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:08 on Sun 29 Apr to 03:58 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: 12:22–13:10 on the 29th, 12:22–13:10 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 29673 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Ankara, 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 Ankara, Sampat Gaurī Vrata 2018 falls on Sunday 29 April. Pūrṇimā runs from 04:08 on Sun 29 Apr to 03:58 on Mon 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-05-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30505, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-05-03T06:35:28+03:00", "utc": "2018-05-03T03:35:28Z", "ms": 1525318527916.3647 }, "end": { "local": "2018-05-04T08:31:45+03:00", "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": "2018-05-03T06:35:28+03:00", "utc": "2018-05-03T03:35:28Z", "ms": 1525318527916.3647 }, "end": { "local": "2018-05-04T08:31:45+03:00", "utc": "2018-05-04T05:31:45Z", "ms": 1525411905219.4832 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-05-02", "window": { "start": { "local": "2018-05-02T22:07:03+03:00", "utc": "2018-05-02T19:07:03Z", "ms": 1525288023125.6443 }, "end": { "local": "2018-05-02T22:07:03+03:00", "utc": "2018-05-02T19:07:03Z", "ms": 1525288023125.6443 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-05-03", "window": { "start": { "local": "2018-05-03T23:02:07+03:00", "utc": "2018-05-03T20:02:07Z", "ms": 1525377727147.707 }, "end": { "local": "2018-05-03T23:02:07+03:00", "utc": "2018-05-03T20:02:07Z", "ms": 1525377727147.707 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:35 on Thu 3 May to 08:32 on Fri 4 May.", "fact": "2018-05-03T03:35:28Z → 2018-05-04T05:31:45Z" }, { "step": "kaala", "text": "Moonrise is at 22:07 on the 2nd and 23:02 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 30505 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Thursday 3 May. Caturthī runs from 06:35 on Thu 3 May to 08:32 on Fri 4 May and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-05-11", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30304, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-05-10T20:58:25+03:00", "utc": "2018-05-10T17:58:25Z", "ms": 1525975104732.321 }, "end": { "local": "2018-05-11T21:11:56+03:00", "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": "2018-05-10T20:58:25+03:00", "utc": "2018-05-10T17:58:25Z", "ms": 1525975104732.321 }, "end": { "local": "2018-05-11T21:11:56+03:00", "utc": "2018-05-11T18:11:56Z", "ms": 1526062316038.8489 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-05-11", "window": { "start": { "local": "2018-05-11T05:38:01+03:00", "utc": "2018-05-11T02:38:01Z", "ms": 1526006281359.6401 }, "end": { "local": "2018-05-11T05:38:01+03:00", "utc": "2018-05-11T02:38:01Z", "ms": 1526006281359.6401 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-05-12", "window": { "start": { "local": "2018-05-12T05:37:00+03:00", "utc": "2018-05-12T02:37:00Z", "ms": 1526092620483.5603 }, "end": { "local": "2018-05-12T05:37:00+03:00", "utc": "2018-05-12T02:37:00Z", "ms": 1526092620483.5603 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:58 on Thu 10 May to 21:12 on Fri 11 May.", "fact": "2018-05-10T17:58:25Z → 2018-05-11T18:11:56Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 11th and 05:37 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 30304 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Ankara, 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 Ankara, Aparā Ekādaśī 2018 falls on Friday 11 May. Ekādaśī runs from 20:58 on Thu 10 May to 21:12 on Fri 11 May and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-05-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2067, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-05-12T20:36:39+03:00", "utc": "2018-05-12T17:36:39Z", "ms": 1526146599072.2808 }, "end": { "local": "2018-05-13T19:16:06+03:00", "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": "2018-05-12T20:36:39+03:00", "utc": "2018-05-12T17:36:39Z", "ms": 1526146599072.2808 }, "end": { "local": "2018-05-13T19:16:06+03:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-05-12", "window": { "start": { "local": "2018-05-12T19:53:25+03:00", "utc": "2018-05-12T16:53:25Z", "ms": 1526144005480.3704 }, "end": { "local": "2018-05-12T21:11:06+03:00", "utc": "2018-05-12T18:11:06Z", "ms": 1526148666232.2974 } }, "covered_min": 34, "window_min": 78, "qualifies": true }, { "local_date": "2018-05-13", "window": { "start": { "local": "2018-05-13T19:54:23+03:00", "utc": "2018-05-13T16:54:23Z", "ms": 1526230463088.5984 }, "end": { "local": "2018-05-13T21:11:48+03:00", "utc": "2018-05-13T18:11:48Z", "ms": 1526235108449.289 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:37 on Sat 12 May to 19:16 on Sun 13 May.", "fact": "2018-05-12T17:36:39Z → 2018-05-13T16:16:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:53–21:11 on the 12th, 19:54–21:12 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 34 of 78 minutes on the 12th and 0 of 77 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 2067 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 2018: Saturday 12 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": "2018-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-12", "confidence": "determinate" } ], "quote": "In Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 12 May. Trayodaśī runs from 20:37 on Sat 12 May to 19:16 on Sun 13 May and covers 34 of 78 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/festivals/2018/pradosha-vrata?on=2018-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ankara/festivals/2018/shivaratri?on=2018-05-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18277, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-05-13T19:16:06+03:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "end": { "local": "2018-05-14T17:16:56+03:00", "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": "2018-05-13T19:16:06+03:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "end": { "local": "2018-05-14T17:16:56+03:00", "utc": "2018-05-14T14:16:56Z", "ms": 1526307416468.5112 } }, "kaala": "nishita", "days": [ { "local_date": "2018-05-13", "window": { "start": { "local": "2018-05-14T00:20:43+03:00", "utc": "2018-05-13T21:20:43Z", "ms": 1526246443191.1887 }, "end": { "local": "2018-05-14T01:08:43+03:00", "utc": "2018-05-13T22:08:43Z", "ms": 1526249323191.1887 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-05-14", "window": { "start": { "local": "2018-05-15T00:20:44+03:00", "utc": "2018-05-14T21:20:44Z", "ms": 1526332843664.197 }, "end": { "local": "2018-05-15T01:08:44+03:00", "utc": "2018-05-14T22:08:44Z", "ms": 1526335723664.197 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:16 on Sun 13 May to 17:17 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: 00:21–01:09 on the 13th, 00:21–01:09 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 18277 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 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 Ankara, Śivarātri 2018 falls on Sunday 13 May. Caturdaśī runs from 19:16 on Sun 13 May to 17:17 on Mon 14 May and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-05-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23190, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-05-18T05:54:46+03:00", "utc": "2018-05-18T02:54:46Z", "ms": 1526612085731.9487 }, "end": { "local": "2018-05-19T02:58:10+03:00", "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": "2018-05-18T05:54:46+03:00", "utc": "2018-05-18T02:54:46Z", "ms": 1526612085731.9487 }, "end": { "local": "2018-05-19T02:58:10+03:00", "utc": "2018-05-18T23:58:10Z", "ms": 1526687890487.199 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-05-18", "window": { "start": { "local": "2018-05-18T12:21:16+03:00", "utc": "2018-05-18T09:21:16Z", "ms": 1526635276115.4087 }, "end": { "local": "2018-05-18T13:09:16+03:00", "utc": "2018-05-18T10:09:16Z", "ms": 1526638156115.4087 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-05-19", "window": { "start": { "local": "2018-05-19T12:21:19+03:00", "utc": "2018-05-19T09:21:19Z", "ms": 1526721678535.7097 }, "end": { "local": "2018-05-19T13:09:19+03:00", "utc": "2018-05-19T10:09:19Z", "ms": 1526724558535.7097 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:55 on Fri 18 May to 02:58 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: 12:21–13:09 on the 18th, 12:21–13:09 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 23190 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 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 Ankara, Vināyaka Caturthī 2018 falls on Friday 18 May. Caturthī runs from 05:55 on Fri 18 May to 02:58 on Sat 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-05-25", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35483, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-05-24T15:48:27+03:00", "utc": "2018-05-24T12:48:27Z", "ms": 1527166106521.2537 }, "end": { "local": "2018-05-25T15:17:38+03:00", "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": "2018-05-24T15:48:27+03:00", "utc": "2018-05-24T12:48:27Z", "ms": 1527166106521.2537 }, "end": { "local": "2018-05-25T15:17:38+03:00", "utc": "2018-05-25T12:17:38Z", "ms": 1527250658156.223 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-05-24", "window": { "start": { "local": "2018-05-24T05:26:55+03:00", "utc": "2018-05-24T02:26:55Z", "ms": 1527128814551.197 }, "end": { "local": "2018-05-24T05:26:55+03:00", "utc": "2018-05-24T02:26:55Z", "ms": 1527128814551.197 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-05-25", "window": { "start": { "local": "2018-05-25T05:26:15+03:00", "utc": "2018-05-25T02:26:15Z", "ms": 1527215175111.1072 }, "end": { "local": "2018-05-25T05:26:15+03:00", "utc": "2018-05-25T02:26:15Z", "ms": 1527215175111.1072 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:48 on Thu 24 May to 15:18 on Fri 25 May.", "fact": "2018-05-24T12:48:27Z → 2018-05-25T12:17:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:27 on the 24th and 05:26 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 35483 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Ankara, 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 Ankara, Śukla Ekādaśī 2018 falls on Friday 25 May. Ekādaśī runs from 15:48 on Thu 24 May to 15:18 on Fri 25 May and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-05-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16733, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-05-26T15:10:36+03:00", "utc": "2018-05-26T12:10:36Z", "ms": 1527336636271.299 }, "end": { "local": "2018-05-27T15:27:57+03:00", "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": "2018-05-26T15:10:36+03:00", "utc": "2018-05-26T12:10:36Z", "ms": 1527336636271.299 }, "end": { "local": "2018-05-27T15:27:57+03:00", "utc": "2018-05-27T12:27:57Z", "ms": 1527424077088.1523 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-05-26", "window": { "start": { "local": "2018-05-26T20:06:01+03:00", "utc": "2018-05-26T17:06:01Z", "ms": 1527354361434.3184 }, "end": { "local": "2018-05-26T21:20:33+03:00", "utc": "2018-05-26T18:20:33Z", "ms": 1527358833463.8042 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "2018-05-27", "window": { "start": { "local": "2018-05-27T20:06:50+03:00", "utc": "2018-05-27T17:06:50Z", "ms": 1527440809883.3547 }, "end": { "local": "2018-05-27T21:21:11+03:00", "utc": "2018-05-27T18:21:11Z", "ms": 1527445270922.697 } }, "covered_min": 0, "window_min": 74, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:11 on Sat 26 May to 15:28 on Sun 27 May.", "fact": "2018-05-26T12:10:36Z → 2018-05-27T12:27:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:06–21:21 on the 26th, 20:07–21:21 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 75 of 75 minutes on the 26th and 0 of 74 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 16733 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 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 Ankara, Śukla Pradoṣa Vrata 2018 falls on Saturday 26 May. Trayodaśī runs from 15:11 on Sat 26 May to 15:28 on Sun 27 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-06-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2337, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-06-01T23:14:47+03:00", "utc": "2018-06-01T20:14:47Z", "ms": 1527884086632.2168 }, "end": { "local": "2018-06-03T01:47:43+03:00", "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": "2018-06-01T23:14:47+03:00", "utc": "2018-06-01T20:14:47Z", "ms": 1527884086632.2168 }, "end": { "local": "2018-06-03T01:47:43+03:00", "utc": "2018-06-02T22:47:43Z", "ms": 1527979663328.832 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-06-01", "window": { "start": { "local": "2018-06-01T22:35:50+03:00", "utc": "2018-06-01T19:35:50Z", "ms": 1527881750094.6978 }, "end": { "local": "2018-06-01T22:35:50+03:00", "utc": "2018-06-01T19:35:50Z", "ms": 1527881750094.6978 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-06-02", "window": { "start": { "local": "2018-06-02T23:19:43+03:00", "utc": "2018-06-02T20:19:43Z", "ms": 1527970783347.5876 }, "end": { "local": "2018-06-02T23:19:43+03:00", "utc": "2018-06-02T20:19:43Z", "ms": 1527970783347.5876 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:15 on Fri 1 Jun to 01:48 on Sun 3 Jun.", "fact": "2018-06-01T20:14:47Z → 2018-06-02T22:47:43Z" }, { "step": "kaala", "text": "Moonrise is at 22:36 on the 1st and 23:20 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 2337 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Saturday 2 June. Caturthī runs from 23:15 on Fri 1 Jun to 01:48 on Sun 3 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-06-10", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14679, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-06-09T10:29:06+03:00", "utc": "2018-06-09T07:29:06Z", "ms": 1528529346079.7083 }, "end": { "local": "2018-06-10T09:24:38+03:00", "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": "2018-06-09T10:29:06+03:00", "utc": "2018-06-09T07:29:06Z", "ms": 1528529346079.7083 }, "end": { "local": "2018-06-10T09:24:38+03:00", "utc": "2018-06-10T06:24:38Z", "ms": 1528611878464.843 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-06-09", "window": { "start": { "local": "2018-06-09T05:20:09+03:00", "utc": "2018-06-09T02:20:09Z", "ms": 1528510808572.7883 }, "end": { "local": "2018-06-09T05:20:09+03:00", "utc": "2018-06-09T02:20:09Z", "ms": 1528510808572.7883 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-06-10", "window": { "start": { "local": "2018-06-10T05:20:00+03:00", "utc": "2018-06-10T02:20:00Z", "ms": 1528597199609.3574 }, "end": { "local": "2018-06-10T05:20:00+03:00", "utc": "2018-06-10T02:20:00Z", "ms": 1528597199609.3574 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:29 on Sat 9 Jun to 09:25 on Sun 10 Jun.", "fact": "2018-06-09T07:29:06Z → 2018-06-10T06:24:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:20 on the 9th and 05:20 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 14679 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Ankara, 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 Ankara, Kṛṣṇa Ekādaśī 2018 falls on Sunday 10 June. Ekādaśī runs from 10:29 on Sat 9 Jun to 09:25 on Sun 10 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-06-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27307, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-06-11T07:34:03+03:00", "utc": "2018-06-11T04:34:03Z", "ms": 1528691642564.8875 }, "end": { "local": "2018-06-12T05:04:15+03:00", "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": "2018-06-11T07:34:03+03:00", "utc": "2018-06-11T04:34:03Z", "ms": 1528691642564.8875 }, "end": { "local": "2018-06-12T05:04:15+03:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-10", "window": { "start": { "local": "2018-06-10T20:16:12+03:00", "utc": "2018-06-10T17:16:12Z", "ms": 1528650972231.66 }, "end": { "local": "2018-06-10T21:28:42+03:00", "utc": "2018-06-10T18:28:42Z", "ms": 1528655321612.9932 } }, "covered_min": 0, "window_min": 72, "qualifies": false }, { "local_date": "2018-06-11", "window": { "start": { "local": "2018-06-11T20:16:43+03:00", "utc": "2018-06-11T17:16:43Z", "ms": 1528737402564.4854 }, "end": { "local": "2018-06-11T21:29:07+03:00", "utc": "2018-06-11T18:29:07Z", "ms": 1528741747223.9849 } }, "covered_min": 72, "window_min": 72, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:34 on Mon 11 Jun to 05:04 on Tue 12 Jun.", "fact": "2018-06-11T04:34:03Z → 2018-06-12T02:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:16–21:29 on the 10th, 20:17–21:29 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 72 minutes on the 10th and 72 of 72 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 27307 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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 Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 11 June. Trayodaśī runs from 07:34 on Mon 11 Jun to 05:04 on Tue 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-06-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3095, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-06-12T05:04:15+03:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "end": { "local": "2018-06-13T02:04:03+03:00", "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": "2018-06-12T05:04:15+03:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "end": { "local": "2018-06-13T02:04:03+03:00", "utc": "2018-06-12T23:04:03Z", "ms": 1528844642944.9158 } }, "kaala": "nishita", "days": [ { "local_date": "2018-06-11", "window": { "start": { "local": "2018-06-12T00:24:15+03:00", "utc": "2018-06-11T21:24:15Z", "ms": 1528752255037.6084 }, "end": { "local": "2018-06-12T01:12:15+03:00", "utc": "2018-06-11T22:12:15Z", "ms": 1528755135037.6084 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-12", "window": { "start": { "local": "2018-06-13T00:24:28+03:00", "utc": "2018-06-12T21:24:28Z", "ms": 1528838667864.812 }, "end": { "local": "2018-06-13T01:12:28+03:00", "utc": "2018-06-12T22:12:28Z", "ms": 1528841547864.812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:04 on Tue 12 Jun to 02:04 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: 00:24–01:12 on the 11th, 00:24–01:12 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 3095 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 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 Ankara, Śivarātri 2018 falls on Tuesday 12 June. Caturdaśī runs from 05:04 on Tue 12 Jun to 02:04 on Wed 13 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 555, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-06-15T15:39:44+03:00", "utc": "2018-06-15T12:39:44Z", "ms": 1529066384343.3464 }, "end": { "local": "2018-06-16T12:16:03+03:00", "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": "2018-06-15T15:39:44+03:00", "utc": "2018-06-15T12:39:44Z", "ms": 1529066384343.3464 }, "end": { "local": "2018-06-16T12:16:03+03:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-15", "window": { "start": { "local": "2018-06-15T12:25:06+03:00", "utc": "2018-06-15T09:25:06Z", "ms": 1529054706012.7246 }, "end": { "local": "2018-06-15T13:13:06+03:00", "utc": "2018-06-15T10:13:06Z", "ms": 1529057586012.7246 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-16", "window": { "start": { "local": "2018-06-16T12:25:18+03:00", "utc": "2018-06-16T09:25:18Z", "ms": 1529141118433.438 }, "end": { "local": "2018-06-16T13:13:18+03:00", "utc": "2018-06-16T10:13:18Z", "ms": 1529143998433.438 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:40 on Fri 15 Jun to 12:16 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: 12:25–13:13 on the 15th, 12:25–13:13 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 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 555 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Ankara, 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 Ankara, Rambhā Tṛtīyā 2018 falls on Saturday 16 June. Tṛtīyā runs from 15:40 on Fri 15 Jun to 12:16 on Sat 16 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-06-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 555, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-06-16T12:16:03+03:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "end": { "local": "2018-06-17T09:09:00+03:00", "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": "2018-06-16T12:16:03+03:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "end": { "local": "2018-06-17T09:09:00+03:00", "utc": "2018-06-17T06:09:00Z", "ms": 1529215739864.1277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-16", "window": { "start": { "local": "2018-06-16T12:25:18+03:00", "utc": "2018-06-16T09:25:18Z", "ms": 1529141118433.438 }, "end": { "local": "2018-06-16T13:13:18+03:00", "utc": "2018-06-16T10:13:18Z", "ms": 1529143998433.438 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-17", "window": { "start": { "local": "2018-06-17T12:25:31+03:00", "utc": "2018-06-17T09:25:31Z", "ms": 1529227530922.4412 }, "end": { "local": "2018-06-17T13:13:31+03:00", "utc": "2018-06-17T10:13:31Z", "ms": 1529230410922.4412 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:16 on Sat 16 Jun to 09:09 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: 12:25–13:13 on the 16th, 12:26–13:14 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 555 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 2018: Saturday 16 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": "2018-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-06-16", "confidence": "determinate" } ], "quote": "In Ankara, Vināyaka Caturthī 2018 falls on Saturday 16 June. Caturthī runs from 12:16 on Sat 16 Jun to 09:09 on Sun 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/festivals/2018/vinayaka-chaturthi?on=2018-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ankara/festivals/2018/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21614, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-06-18T06:25:29+03:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T04:10:55+03:00", "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": "2018-06-18T06:25:29+03:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T04:10:55+03:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-18", "window": { "start": { "local": "2018-06-18T12:25:43+03:00", "utc": "2018-06-18T09:25:43Z", "ms": 1529313943452.9502 }, "end": { "local": "2018-06-18T13:13:43+03:00", "utc": "2018-06-18T10:13:43Z", "ms": 1529316823452.9502 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-19", "window": { "start": { "local": "2018-06-19T12:25:56+03:00", "utc": "2018-06-19T09:25:56Z", "ms": 1529400355999.644 }, "end": { "local": "2018-06-19T13:13:56+03:00", "utc": "2018-06-19T10:13:56Z", "ms": 1529403235999.644 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:25 on Mon 18 Jun to 04:11 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: 12:26–13:14 on the 18th, 12:26–13:14 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 21614 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Ankara, 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 Ankara, Araṇya Gaurī Vrata 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 06:25 on Mon 18 Jun to 04:11 on Tue 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21614, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-06-18T06:25:29+03:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T04:10:55+03:00", "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": "2018-06-18T06:25:29+03:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T04:10:55+03:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-18", "window": { "start": { "local": "2018-06-18T12:25:43+03:00", "utc": "2018-06-18T09:25:43Z", "ms": 1529313943452.9502 }, "end": { "local": "2018-06-18T13:13:43+03:00", "utc": "2018-06-18T10:13:43Z", "ms": 1529316823452.9502 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-19", "window": { "start": { "local": "2018-06-19T12:25:56+03:00", "utc": "2018-06-19T09:25:56Z", "ms": 1529400355999.644 }, "end": { "local": "2018-06-19T13:13:56+03:00", "utc": "2018-06-19T10:13:56Z", "ms": 1529403235999.644 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:25 on Mon 18 Jun to 04:11 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: 12:26–13:14 on the 18th, 12:26–13:14 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 21614 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Ankara, 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 Ankara, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 06:25 on Mon 18 Jun to 04:11 on Tue 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-06-23", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14310, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-06-23T00:49:57+03:00", "utc": "2018-06-22T21:49:57Z", "ms": 1529704197153.8113 }, "end": { "local": "2018-06-24T01:22:41+03:00", "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": "2018-06-23T00:49:57+03:00", "utc": "2018-06-22T21:49:57Z", "ms": 1529704197153.8113 }, "end": { "local": "2018-06-24T01:22:41+03:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-06-23", "window": { "start": { "local": "2018-06-23T05:20:55+03:00", "utc": "2018-06-23T02:20:55Z", "ms": 1529720454739.3684 }, "end": { "local": "2018-06-23T05:20:55+03:00", "utc": "2018-06-23T02:20:55Z", "ms": 1529720454739.3684 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T05:21:12+03:00", "utc": "2018-06-24T02:21:12Z", "ms": 1529806871520.2363 }, "end": { "local": "2018-06-24T05:21:12+03:00", "utc": "2018-06-24T02:21:12Z", "ms": 1529806871520.2363 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:50 on Sat 23 Jun to 01:23 on Sun 24 Jun.", "fact": "2018-06-22T21:49:57Z → 2018-06-23T22:22:41Z" }, { "step": "kaala", "text": "Sunrise is at 05:21 on the 23rd and 05:21 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 14310 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Ankara, 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 Ankara, Nirjalā Ekādaśī 2018 falls on Saturday 23 June. Ekādaśī runs from 00:50 on Sat 23 Jun to 01:23 on Sun 24 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36163, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-06-24T01:22:41+03:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "end": { "local": "2018-06-25T02:24:27+03:00", "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": "2018-06-24T01:22:41+03:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "end": { "local": "2018-06-25T02:24:27+03:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T12:26:58+03:00", "utc": "2018-06-24T09:26:58Z", "ms": 1529832418175.7012 }, "end": { "local": "2018-06-24T13:14:58+03:00", "utc": "2018-06-24T10:14:58Z", "ms": 1529835298175.7012 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-25", "window": { "start": { "local": "2018-06-25T12:27:10+03:00", "utc": "2018-06-25T09:27:10Z", "ms": 1529918830351.3735 }, "end": { "local": "2018-06-25T13:15:10+03:00", "utc": "2018-06-25T10:15:10Z", "ms": 1529921710351.3735 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:23 on Sun 24 Jun to 02:24 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: 12:27–13:15 on the 24th, 12:27–13:15 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 36163 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Ankara, 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 Ankara, Śrī Rāma Dvādaśī 2018 falls on Sunday 24 June. Dvādaśī runs from 01:23 on Sun 24 Jun to 02:24 on Mon 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-06-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17496, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-06-25T02:24:27+03:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "end": { "local": "2018-06-26T03:52:18+03:00", "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": "2018-06-25T02:24:27+03:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "end": { "local": "2018-06-26T03:52:18+03:00", "utc": "2018-06-26T00:52:18Z", "ms": 1529974338168.3127 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T20:20:45+03:00", "utc": "2018-06-24T17:20:45Z", "ms": 1529860844831.1663 }, "end": { "local": "2018-06-24T21:32:51+03:00", "utc": "2018-06-24T18:32:51Z", "ms": 1529865170850.926 } }, "covered_min": 0, "window_min": 72, "qualifies": false }, { "local_date": "2018-06-25", "window": { "start": { "local": "2018-06-25T20:20:51+03:00", "utc": "2018-06-25T17:20:51Z", "ms": 1529947250723.3816 }, "end": { "local": "2018-06-25T21:32:59+03:00", "utc": "2018-06-25T18:32:59Z", "ms": 1529951578638.9502 } }, "covered_min": 72, "window_min": 72, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:24 on Mon 25 Jun to 03:52 on Tue 26 Jun.", "fact": "2018-06-24T23:24:27Z → 2018-06-26T00:52:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:21–21:33 on the 24th, 20:21–21:33 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 72 minutes on the 24th and 72 of 72 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 17496 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 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 Ankara, Śukla Pradoṣa Vrata 2018 falls on Monday 25 June. Trayodaśī runs from 02:24 on Mon 25 Jun to 03:52 on Tue 26 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29397, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-06-27T05:43:02+03:00", "utc": "2018-06-27T02:43:02Z", "ms": 1530067382433.2666 }, "end": { "local": "2018-06-28T07:52:58+03:00", "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": "2018-06-27T05:43:02+03:00", "utc": "2018-06-27T02:43:02Z", "ms": 1530067382433.2666 }, "end": { "local": "2018-06-28T07:52:58+03:00", "utc": "2018-06-28T04:52:58Z", "ms": 1530161578377.593 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-26", "window": { "start": { "local": "2018-06-26T20:20:55+03:00", "utc": "2018-06-26T17:20:55Z", "ms": 1530033654697.5159 }, "end": { "local": "2018-06-26T21:33:05+03:00", "utc": "2018-06-26T18:33:05Z", "ms": 1530037984981.1692 } }, "covered_min": 0, "window_min": 72, "qualifies": false }, { "local_date": "2018-06-27", "window": { "start": { "local": "2018-06-27T20:20:57+03:00", "utc": "2018-06-27T17:20:57Z", "ms": 1530120056742.7412 }, "end": { "local": "2018-06-27T21:33:10+03:00", "utc": "2018-06-27T18:33:10Z", "ms": 1530124389864.375 } }, "covered_min": 72, "window_min": 72, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:43 on Wed 27 Jun to 07:53 on Thu 28 Jun.", "fact": "2018-06-27T02:43:02Z → 2018-06-28T04:52:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:21–21:33 on the 26th, 20:21–21:33 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 72 minutes on the 26th and 72 of 72 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 29397 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Ankara, 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 Ankara, Vaṭa Sāvitrī Vrata 2018 falls on Wednesday 27 June. Pūrṇimā runs from 05:43 on Wed 27 Jun to 07:53 on Thu 28 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-07-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19087, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-01T15:24:57+03:00", "utc": "2018-07-01T12:24:57Z", "ms": 1530447896941.8135 }, "end": { "local": "2018-07-02T17:50:56+03:00", "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": "2018-07-01T15:24:57+03:00", "utc": "2018-07-01T12:24:57Z", "ms": 1530447896941.8135 }, "end": { "local": "2018-07-02T17:50:56+03:00", "utc": "2018-07-02T14:50:56Z", "ms": 1530543055888.0564 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-01", "window": { "start": { "local": "2018-07-01T22:35:45+03:00", "utc": "2018-07-01T19:35:45Z", "ms": 1530473745323.4114 }, "end": { "local": "2018-07-01T22:35:45+03:00", "utc": "2018-07-01T19:35:45Z", "ms": 1530473745323.4114 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-07-02", "window": { "start": { "local": "2018-07-02T23:09:03+03:00", "utc": "2018-07-02T20:09:03Z", "ms": 1530562143020.5142 }, "end": { "local": "2018-07-02T23:09:03+03:00", "utc": "2018-07-02T20:09:03Z", "ms": 1530562143020.5142 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:25 on Sun 1 Jul to 17:51 on Mon 2 Jul.", "fact": "2018-07-01T12:24:57Z → 2018-07-02T14:50:56Z" }, { "step": "kaala", "text": "Moonrise is at 22:36 on the 1st and 23:09 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 19087 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Sunday 1 July. Caturthī runs from 15:25 on Sun 1 Jul to 17:51 on Mon 2 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-07-09", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30452, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-07-08T21:00:55+03:00", "utc": "2018-07-08T18:00:55Z", "ms": 1531072855498.0898 }, "end": { "local": "2018-07-09T18:57:19+03:00", "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": "2018-07-08T21:00:55+03:00", "utc": "2018-07-08T18:00:55Z", "ms": 1531072855498.0898 }, "end": { "local": "2018-07-09T18:57:19+03:00", "utc": "2018-07-09T15:57:19Z", "ms": 1531151838736.3308 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-07-09", "window": { "start": { "local": "2018-07-09T05:28:28+03:00", "utc": "2018-07-09T02:28:28Z", "ms": 1531103307841.1887 }, "end": { "local": "2018-07-09T05:28:28+03:00", "utc": "2018-07-09T02:28:28Z", "ms": 1531103307841.1887 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-10T05:29:08+03:00", "utc": "2018-07-10T02:29:08Z", "ms": 1531189747697.0422 }, "end": { "local": "2018-07-10T05:29:08+03:00", "utc": "2018-07-10T02:29:08Z", "ms": 1531189747697.0422 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:01 on Sun 8 Jul to 18:57 on Mon 9 Jul.", "fact": "2018-07-08T18:00:55Z → 2018-07-09T15:57:19Z" }, { "step": "kaala", "text": "Sunrise is at 05:28 on the 9th and 05:29 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 30452 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Ankara, 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 Ankara, Yoginī Ekādaśī 2018 falls on Monday 9 July. Ekādaśī runs from 21:01 on Sun 8 Jul to 18:57 on Mon 9 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-07-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14558, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-07-10T16:15:48+03:00", "utc": "2018-07-10T13:15:48Z", "ms": 1531228547507.056 }, "end": { "local": "2018-07-11T13:04:15+03:00", "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": "2018-07-10T16:15:48+03:00", "utc": "2018-07-10T13:15:48Z", "ms": 1531228547507.056 }, "end": { "local": "2018-07-11T13:04:15+03:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-10T20:18:26+03:00", "utc": "2018-07-10T17:18:26Z", "ms": 1531243105531.9353 }, "end": { "local": "2018-07-10T21:31:57+03:00", "utc": "2018-07-10T18:31:57Z", "ms": 1531247516617.7036 } }, "covered_min": 74, "window_min": 74, "qualifies": true }, { "local_date": "2018-07-11", "window": { "start": { "local": "2018-07-11T20:18:00+03:00", "utc": "2018-07-11T17:18:00Z", "ms": 1531329480227.9648 }, "end": { "local": "2018-07-11T21:31:40+03:00", "utc": "2018-07-11T18:31:40Z", "ms": 1531333900294.774 } }, "covered_min": 0, "window_min": 74, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:16 on Tue 10 Jul to 13:04 on Wed 11 Jul.", "fact": "2018-07-10T13:15:48Z → 2018-07-11T10:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:18–21:32 on the 10th, 20:18–21:32 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 74 of 74 minutes on the 10th and 0 of 74 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 14558 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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 Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 10 July. Trayodaśī runs from 16:16 on Tue 10 Jul to 13:04 on Wed 11 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-07-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29609, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-07-11T13:04:15+03:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "end": { "local": "2018-07-12T09:31:44+03:00", "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": "2018-07-11T13:04:15+03:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "end": { "local": "2018-07-12T09:31:44+03:00", "utc": "2018-07-12T06:31:44Z", "ms": 1531377104262.4673 } }, "kaala": "nishita", "days": [ { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-11T00:30:07+03:00", "utc": "2018-07-10T21:30:07Z", "ms": 1531258207103.5664 }, "end": { "local": "2018-07-11T01:18:07+03:00", "utc": "2018-07-10T22:18:07Z", "ms": 1531261087103.5664 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-11", "window": { "start": { "local": "2018-07-12T00:30:15+03:00", "utc": "2018-07-11T21:30:15Z", "ms": 1531344615478.4985 }, "end": { "local": "2018-07-12T01:18:15+03:00", "utc": "2018-07-11T22:18:15Z", "ms": 1531347495478.4985 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:04 on Wed 11 Jul to 09:32 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: 00:30–01:18 on the 10th, 00:30–01:18 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 29609 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 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 Ankara, Śivarātri 2018 falls on Wednesday 11 July. Caturdaśī runs from 13:04 on Wed 11 Jul to 09:32 on Thu 12 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32814, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-07-14T02:02:27+03:00", "utc": "2018-07-13T23:02:27Z", "ms": 1531522947471.4346 }, "end": { "local": "2018-07-14T22:25:09+03:00", "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": "2018-07-14T02:02:27+03:00", "utc": "2018-07-13T23:02:27Z", "ms": 1531522947471.4346 }, "end": { "local": "2018-07-14T22:25:09+03:00", "utc": "2018-07-14T19:25:09Z", "ms": 1531596309112.2686 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-13", "window": { "start": { "local": "2018-07-13T12:30:09+03:00", "utc": "2018-07-13T09:30:09Z", "ms": 1531474208818.2305 }, "end": { "local": "2018-07-13T13:18:09+03:00", "utc": "2018-07-13T10:18:09Z", "ms": 1531477088818.2305 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-14", "window": { "start": { "local": "2018-07-14T12:30:15+03:00", "utc": "2018-07-14T09:30:15Z", "ms": 1531560615305.896 }, "end": { "local": "2018-07-14T13:18:15+03:00", "utc": "2018-07-14T10:18:15Z", "ms": 1531563495305.896 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:02 on Sat 14 Jul to 22:25 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: 12:30–13:18 on the 13th, 12:30–13:18 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32814 s" }, { "step": "ruling", "text": "Rathayātrā, Ankara, 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 Ankara, Rathayātrā 2018 falls on Saturday 14 July. Dvitīyā runs from 02:02 on Sat 14 Jul to 22:25 on Sat 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-07-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10343, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-15T19:05:08+03:00", "utc": "2018-07-15T16:05:08Z", "ms": 1531670708407.4592 }, "end": { "local": "2018-07-16T16:10:50+03:00", "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": "2018-07-15T19:05:08+03:00", "utc": "2018-07-15T16:05:08Z", "ms": 1531670708407.4592 }, "end": { "local": "2018-07-16T16:10:50+03:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-15", "window": { "start": { "local": "2018-07-15T12:30:21+03:00", "utc": "2018-07-15T09:30:21Z", "ms": 1531647021302.9106 }, "end": { "local": "2018-07-15T13:18:21+03:00", "utc": "2018-07-15T10:18:21Z", "ms": 1531649901302.9106 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-16", "window": { "start": { "local": "2018-07-16T12:30:27+03:00", "utc": "2018-07-16T09:30:27Z", "ms": 1531733426791.0728 }, "end": { "local": "2018-07-16T13:18:27+03:00", "utc": "2018-07-16T10:18:27Z", "ms": 1531736306791.0728 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:05 on Sun 15 Jul to 16:11 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: 12:30–13:18 on the 15th, 12:30–13:18 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 10343 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 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 Ankara, Vināyaka Caturthī 2018 falls on Monday 16 July. Caturthī runs from 19:05 on Sun 15 Jul to 16:11 on Mon 16 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1856, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-07-16T16:10:50+03:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "end": { "local": "2018-07-17T13:49:28+03:00", "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": "2018-07-16T16:10:50+03:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "end": { "local": "2018-07-17T13:49:28+03:00", "utc": "2018-07-17T10:49:28Z", "ms": 1531824567727.6724 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-16", "window": { "start": { "local": "2018-07-16T12:30:27+03:00", "utc": "2018-07-16T09:30:27Z", "ms": 1531733426791.0728 }, "end": { "local": "2018-07-16T13:18:27+03:00", "utc": "2018-07-16T10:18:27Z", "ms": 1531736306791.0728 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-17", "window": { "start": { "local": "2018-07-17T12:30:32+03:00", "utc": "2018-07-17T09:30:32Z", "ms": 1531819831754.353 }, "end": { "local": "2018-07-17T13:18:32+03:00", "utc": "2018-07-17T10:18:32Z", "ms": 1531822711754.353 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:11 on Mon 16 Jul to 13:49 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: 12:30–13:18 on the 16th, 12:31–13:19 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 1856 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Ankara, 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 Ankara, Skanda Pañcamī 2018 falls on Tuesday 17 July. Pañcamī runs from 16:11 on Mon 16 Jul to 13:49 on Tue 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1434, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-07-18T12:06:42+03:00", "utc": "2018-07-18T09:06:42Z", "ms": 1531904802010.8564 }, "end": { "local": "2018-07-19T11:06:10+03:00", "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": "2018-07-18T12:06:42+03:00", "utc": "2018-07-18T09:06:42Z", "ms": 1531904802010.8564 }, "end": { "local": "2018-07-19T11:06:10+03:00", "utc": "2018-07-19T08:06:10Z", "ms": 1531987570193.0781 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-18", "window": { "start": { "local": "2018-07-18T12:30:36+03:00", "utc": "2018-07-18T09:30:36Z", "ms": 1531906236178.9893 }, "end": { "local": "2018-07-18T13:18:36+03:00", "utc": "2018-07-18T10:18:36Z", "ms": 1531909116178.9893 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-07-19", "window": { "start": { "local": "2018-07-19T12:30:40+03:00", "utc": "2018-07-19T09:30:40Z", "ms": 1531992640053.3308 }, "end": { "local": "2018-07-19T13:18:40+03:00", "utc": "2018-07-19T10:18:40Z", "ms": 1531995520053.3308 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:07 on Wed 18 Jul to 11:06 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: 12:31–13:19 on the 18th, 12:31–13:19 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 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 1434 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Ankara, 2018: Wednesday 18 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-18", "confidence": "determinate" } ], "quote": "In Ankara, Vivasvat Saptamī 2018 falls on Wednesday 18 July. Saptamī runs from 12:07 on Wed 18 Jul to 11:06 on Thu 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-07-23", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23961, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-07-22T12:17:42+03:00", "utc": "2018-07-22T09:17:42Z", "ms": 1532251061609.5364 }, "end": { "local": "2018-07-23T13:53:54+03:00", "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": "2018-07-22T12:17:42+03:00", "utc": "2018-07-22T09:17:42Z", "ms": 1532251061609.5364 }, "end": { "local": "2018-07-23T13:53:54+03:00", "utc": "2018-07-23T10:53:54Z", "ms": 1532343233843.25 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-07-22", "window": { "start": { "local": "2018-07-22T05:38:20+03:00", "utc": "2018-07-22T02:38:20Z", "ms": 1532227100202.738 }, "end": { "local": "2018-07-22T05:38:20+03:00", "utc": "2018-07-22T02:38:20Z", "ms": 1532227100202.738 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-23", "window": { "start": { "local": "2018-07-23T05:39:11+03:00", "utc": "2018-07-23T02:39:11Z", "ms": 1532313551107.4282 }, "end": { "local": "2018-07-23T05:39:11+03:00", "utc": "2018-07-23T02:39:11Z", "ms": 1532313551107.4282 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:18 on Sun 22 Jul to 13:54 on Mon 23 Jul.", "fact": "2018-07-22T09:17:42Z → 2018-07-23T10:53:54Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 22nd and 05:39 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 23961 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Ankara, 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 Ankara, Hariśayanī Ekādaśī 2018 falls on Monday 23 July. Ekādaśī runs from 12:18 on Sun 22 Jul to 13:54 on Mon 23 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-07-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6777, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-07-24T15:55:48+03:00", "utc": "2018-07-24T12:55:48Z", "ms": 1532436948495.6292 }, "end": { "local": "2018-07-25T18:15:51+03:00", "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": "2018-07-24T15:55:48+03:00", "utc": "2018-07-24T12:55:48Z", "ms": 1532436948495.6292 }, "end": { "local": "2018-07-25T18:15:51+03:00", "utc": "2018-07-25T15:15:51Z", "ms": 1532531751260.3157 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-24", "window": { "start": { "local": "2018-07-24T20:09:39+03:00", "utc": "2018-07-24T17:09:39Z", "ms": 1532452179181.7483 }, "end": { "local": "2018-07-24T21:25:49+03:00", "utc": "2018-07-24T18:25:49Z", "ms": 1532456749235.566 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2018-07-25", "window": { "start": { "local": "2018-07-25T20:08:48+03:00", "utc": "2018-07-25T17:08:48Z", "ms": 1532538528011.0273 }, "end": { "local": "2018-07-25T21:25:12+03:00", "utc": "2018-07-25T18:25:12Z", "ms": 1532543111888.5298 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:56 on Tue 24 Jul to 18:16 on Wed 25 Jul.", "fact": "2018-07-24T12:55:48Z → 2018-07-25T15:15:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:10–21:26 on the 24th, 20:09–21:25 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 76 of 76 minutes on the 24th and 0 of 76 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 6777 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 2018: Tuesday 24 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": "2018-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-24", "confidence": "determinate" } ], "quote": "In Ankara, Śukla Pradoṣa Vrata 2018 falls on Tuesday 24 July. Trayodaśī runs from 15:56 on Tue 24 Jul to 18:16 on Wed 25 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22992, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T20:46:28+03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T23:20:21+03:00", "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": "2018-07-26T20:46:28+03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T23:20:21+03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "udaya-3", "days": [ { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T05:42:40+03:00", "utc": "2018-07-27T02:42:40Z", "ms": 1532659360069.05 }, "end": { "local": "2018-07-27T08:35:32+03:00", "utc": "2018-07-27T05:35:32Z", "ms": 1532669732185.776 } }, "covered_min": 173, "window_min": 173, "qualifies": true }, { "local_date": "2018-07-28", "window": { "start": { "local": "2018-07-28T05:43:33+03:00", "utc": "2018-07-28T02:43:33Z", "ms": 1532745813485.625 }, "end": { "local": "2018-07-28T08:36:04+03:00", "utc": "2018-07-28T05:36:04Z", "ms": 1532756163693.0723 } }, "covered_min": 0, "window_min": 173, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:46 on Thu 26 Jul to 23:20 on Fri 27 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: 05:43–08:36 on the 27th, 05:44–08:36 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 173 of 173 minutes on the 27th and 0 of 173 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 22992 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Ankara, 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 Ankara, Vyāsa Pūjā 2018 falls on Friday 27 July. Pūrṇimā runs from 20:46 on Thu 26 Jul to 23:20 on Fri 27 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26856, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T20:46:28+03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T23:20:21+03:00", "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": "2018-07-26T20:46:28+03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T23:20:21+03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T12:30:51+03:00", "utc": "2018-07-26T09:30:51Z", "ms": 1532597451125.377 }, "end": { "local": "2018-07-26T13:18:51+03:00", "utc": "2018-07-26T10:18:51Z", "ms": 1532600331125.377 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T12:30:50+03:00", "utc": "2018-07-27T09:30:50Z", "ms": 1532683850360.8647 }, "end": { "local": "2018-07-27T13:18:50+03:00", "utc": "2018-07-27T10:18:50Z", "ms": 1532686730360.8647 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:46 on Thu 26 Jul to 23:20 on Fri 27 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 26th, 12:31–13:19 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 26856 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Ankara, 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 Ankara, Guru Pūrṇimā 2018 falls on Friday 27 July. Pūrṇimā runs from 20:46 on Thu 26 Jul to 23:20 on Fri 27 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2312, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T20:46:28+03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T23:20:21+03:00", "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": "2018-07-26T20:46:28+03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T23:20:21+03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T17:14:42+03:00", "utc": "2018-07-26T14:14:42Z", "ms": 1532614481545.226 }, "end": { "local": "2018-07-26T20:07:55+03:00", "utc": "2018-07-26T17:07:55Z", "ms": 1532624875158.4587 } }, "covered_min": 0, "window_min": 173, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T17:14:09+03:00", "utc": "2018-07-27T14:14:09Z", "ms": 1532700848535.9534 }, "end": { "local": "2018-07-27T20:07:01+03:00", "utc": "2018-07-27T17:07:01Z", "ms": 1532711220652.6792 } }, "covered_min": 173, "window_min": 173, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:46 on Thu 26 Jul to 23:20 on Fri 27 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:15–20:08 on the 26th, 17:14–20:07 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 173 minutes on the 26th and 173 of 173 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 2312 s" }, { "step": "ruling", "text": "Kokilā Vrata, Ankara, 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 Ankara, Kokilā Vrata 2018 falls on Friday 27 July. Pūrṇimā runs from 20:46 on Thu 26 Jul to 23:20 on Fri 27 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-27", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2286, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T20:46:28+03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T23:20:21+03:00", "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": "2018-07-26T20:46:28+03:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T23:20:21+03:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T20:07:55+03:00", "utc": "2018-07-26T17:07:55Z", "ms": 1532624875158.4587 }, "end": { "local": "2018-07-26T21:24:33+03:00", "utc": "2018-07-26T18:24:33Z", "ms": 1532629473146.5376 } }, "covered_min": 38, "window_min": 77, "qualifies": true }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T20:07:01+03:00", "utc": "2018-07-27T17:07:01Z", "ms": 1532711220652.6792 }, "end": { "local": "2018-07-27T21:23:53+03:00", "utc": "2018-07-27T18:23:53Z", "ms": 1532715833030.4053 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:46 on Thu 26 Jul to 23:20 on Fri 27 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:08–21:25 on the 26th, 20:07–21:24 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 38 of 77 minutes on the 26th and 77 of 77 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2286 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Ankara, 2018: Friday 27 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-27", "confidence": "boundary" } ], "quote": "In Ankara, Śiva Śayanotsava 2018 falls on Friday 27 July. Pūrṇimā runs from 20:46 on Thu 26 Jul to 23:20 on Fri 27 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 38 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/ankara/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": "/ankara/festivals/2018/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18825, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-07-29T01:50:36+03:00", "utc": "2018-07-28T22:50:36Z", "ms": 1532818236014.6 }, "end": { "local": "2018-07-30T04:10:30+03:00", "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": "2018-07-29T01:50:36+03:00", "utc": "2018-07-28T22:50:36Z", "ms": 1532818236014.6 }, "end": { "local": "2018-07-30T04:10:30+03:00", "utc": "2018-07-30T01:10:30Z", "ms": 1532913030286.5576 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-28", "window": { "start": { "local": "2018-07-28T20:36:51+03:00", "utc": "2018-07-28T17:36:51Z", "ms": 1532799410790.9702 }, "end": { "local": "2018-07-28T20:36:51+03:00", "utc": "2018-07-28T17:36:51Z", "ms": 1532799410790.9702 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-29", "window": { "start": { "local": "2018-07-29T21:11:19+03:00", "utc": "2018-07-29T18:11:19Z", "ms": 1532887878821.8352 }, "end": { "local": "2018-07-29T21:11:19+03:00", "utc": "2018-07-29T18:11:19Z", "ms": 1532887878821.8352 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:51 on Sun 29 Jul to 04:11 on Mon 30 Jul.", "fact": "2018-07-28T22:50:36Z → 2018-07-30T01:10:30Z" }, { "step": "kaala", "text": "Moonrise is at 20:37 on the 28th and 21:11 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 18825 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Ankara, 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 Ankara, Aśūnya Śayana Vrata (Āṣāḍha) 2018 falls on Sunday 29 July. Dvitīyā runs from 01:51 on Sun 29 Jul to 04:11 on Mon 30 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-07-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30638, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-31T06:13:28+03:00", "utc": "2018-07-31T03:13:28Z", "ms": 1533006808308.9995 }, "end": { "local": "2018-08-01T07:53:02+03:00", "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": "2018-07-31T06:13:28+03:00", "utc": "2018-07-31T03:13:28Z", "ms": 1533006808308.9995 }, "end": { "local": "2018-08-01T07:53:02+03:00", "utc": "2018-08-01T04:53:02Z", "ms": 1533099182069.5957 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-30", "window": { "start": { "local": "2018-07-30T21:42:50+03:00", "utc": "2018-07-30T18:42:50Z", "ms": 1532976170261.5088 }, "end": { "local": "2018-07-30T21:42:50+03:00", "utc": "2018-07-30T18:42:50Z", "ms": 1532976170261.5088 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-31", "window": { "start": { "local": "2018-07-31T22:12:22+03:00", "utc": "2018-07-31T19:12:22Z", "ms": 1533064342433.8132 }, "end": { "local": "2018-07-31T22:12:22+03:00", "utc": "2018-07-31T19:12:22Z", "ms": 1533064342433.8132 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:13 on Tue 31 Jul to 07:53 on Wed 1 Aug.", "fact": "2018-07-31T03:13:28Z → 2018-08-01T04:53:02Z" }, { "step": "kaala", "text": "Moonrise is at 21:43 on the 30th and 22:12 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 30638 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 31 July. Caturthī runs from 06:13 on Tue 31 Jul to 07:53 on Wed 1 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-08-07", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1800, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-08-07T05:22:46+03:00", "utc": "2018-08-07T02:22:46Z", "ms": 1533608566254.9343 }, "end": { "local": "2018-08-08T02:45:39+03:00", "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": "2018-08-07T05:22:46+03:00", "utc": "2018-08-07T02:22:46Z", "ms": 1533608566254.9343 }, "end": { "local": "2018-08-08T02:45:39+03:00", "utc": "2018-08-07T23:45:39Z", "ms": 1533685539432.0996 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-08-07", "window": { "start": { "local": "2018-08-07T05:52:46+03:00", "utc": "2018-08-07T02:52:46Z", "ms": 1533610366004.6296 }, "end": { "local": "2018-08-07T05:52:46+03:00", "utc": "2018-08-07T02:52:46Z", "ms": 1533610366004.6296 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-08", "window": { "start": { "local": "2018-08-08T05:53:43+03:00", "utc": "2018-08-08T02:53:43Z", "ms": 1533696822560.4473 }, "end": { "local": "2018-08-08T05:53:43+03:00", "utc": "2018-08-08T02:53:43Z", "ms": 1533696822560.4473 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:23 on Tue 7 Aug to 02:46 on Wed 8 Aug.", "fact": "2018-08-07T02:22:46Z → 2018-08-07T23:45:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 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 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": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1800 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Ankara, 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 Ankara, Kāmikā Ekādaśī 2018 falls on Tuesday 7 August. Ekādaśī runs from 05:23 on Tue 7 Aug to 02:46 on Wed 8 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-08-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1342, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-08-08T23:40:41+03:00", "utc": "2018-08-08T20:40:41Z", "ms": 1533760840773.168 }, "end": { "local": "2018-08-09T20:15:17+03:00", "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": "2018-08-08T23:40:41+03:00", "utc": "2018-08-08T20:40:41Z", "ms": 1533760840773.168 }, "end": { "local": "2018-08-09T20:15:17+03:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-08-08", "window": { "start": { "local": "2018-08-08T19:54:09+03:00", "utc": "2018-08-08T16:54:09Z", "ms": 1533747248524.0427 }, "end": { "local": "2018-08-08T21:14:13+03:00", "utc": "2018-08-08T18:14:13Z", "ms": 1533752052622.0642 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "2018-08-09", "window": { "start": { "local": "2018-08-09T19:52:55+03:00", "utc": "2018-08-09T16:52:55Z", "ms": 1533833575256.4045 }, "end": { "local": "2018-08-09T21:13:17+03:00", "utc": "2018-08-09T18:13:17Z", "ms": 1533838396699.0654 } }, "covered_min": 22, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:41 on Wed 8 Aug to 20:15 on Thu 9 Aug.", "fact": "2018-08-08T20:40:41Z → 2018-08-09T17:15:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:54–21:14 on the 8th, 19:53–21:13 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 80 minutes on the 8th and 22 of 80 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 1342 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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": "determinate" } ], "quote": "In Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Thursday 9 August. Trayodaśī runs from 23:41 on Wed 8 Aug to 20:15 on Thu 9 Aug and covers 22 of 80 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-08-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15298, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-08-09T20:15:17+03:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "end": { "local": "2018-08-10T16:37:56+03:00", "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": "2018-08-09T20:15:17+03:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "end": { "local": "2018-08-10T16:37:56+03:00", "utc": "2018-08-10T13:37:56Z", "ms": 1533908275865.642 } }, "kaala": "nishita", "days": [ { "local_date": "2018-08-09", "window": { "start": { "local": "2018-08-10T00:30:16+03:00", "utc": "2018-08-09T21:30:16Z", "ms": 1533850215666.383 }, "end": { "local": "2018-08-10T01:18:16+03:00", "utc": "2018-08-09T22:18:16Z", "ms": 1533853095666.383 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-10", "window": { "start": { "local": "2018-08-11T00:30:07+03:00", "utc": "2018-08-10T21:30:07Z", "ms": 1533936606869.2783 }, "end": { "local": "2018-08-11T01:18:07+03:00", "utc": "2018-08-10T22:18:07Z", "ms": 1533939486869.2783 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:15 on Thu 9 Aug to 16:38 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: 00:30–01:18 on the 9th, 00:30–01:18 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 15298 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 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 Ankara, Śivarātri 2018 falls on Thursday 9 August. Caturdaśī runs from 20:15 on Thu 9 Aug to 16:38 on Fri 10 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22930, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-08-13T06:06:58+03:00", "utc": "2018-08-13T03:06:58Z", "ms": 1534129618204.2227 }, "end": { "local": "2018-08-14T03:15:20+03:00", "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": "2018-08-13T06:06:58+03:00", "utc": "2018-08-13T03:06:58Z", "ms": 1534129618204.2227 }, "end": { "local": "2018-08-14T03:15:20+03:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-13", "window": { "start": { "local": "2018-08-13T12:29:09+03:00", "utc": "2018-08-13T09:29:09Z", "ms": 1534152548533.9204 }, "end": { "local": "2018-08-13T13:17:09+03:00", "utc": "2018-08-13T10:17:09Z", "ms": 1534155428533.9204 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T12:28:57+03:00", "utc": "2018-08-14T09:28:57Z", "ms": 1534238937465.3535 }, "end": { "local": "2018-08-14T13:16:57+03:00", "utc": "2018-08-14T10:16:57Z", "ms": 1534241817465.3535 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:07 on Mon 13 Aug to 03:15 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: 12:29–13:17 on the 13th, 12:29–13:17 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 22930 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Ankara, 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 Ankara, Madhusravā Tṛtīyā (Hariyali Teej) 2018 falls on Monday 13 August. Tṛtīyā runs from 06:07 on Mon 13 Aug to 03:15 on Tue 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-08-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33218, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-14T03:15:20+03:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "end": { "local": "2018-08-15T00:57:52+03:00", "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": "2018-08-14T03:15:20+03:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "end": { "local": "2018-08-15T00:57:52+03:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T12:28:57+03:00", "utc": "2018-08-14T09:28:57Z", "ms": 1534238937465.3535 }, "end": { "local": "2018-08-14T13:16:57+03:00", "utc": "2018-08-14T10:16:57Z", "ms": 1534241817465.3535 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-15", "window": { "start": { "local": "2018-08-15T12:28:46+03:00", "utc": "2018-08-15T09:28:46Z", "ms": 1534325325849.7798 }, "end": { "local": "2018-08-15T13:16:46+03:00", "utc": "2018-08-15T10:16:46Z", "ms": 1534328205849.7798 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:15 on Tue 14 Aug to 00:58 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: 12:29–13:17 on the 14th, 12:29–13:17 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 33218 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 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 Ankara, Vināyaka Caturthī 2018 falls on Tuesday 14 August. Caturthī runs from 03:15 on Tue 14 Aug to 00:58 on Wed 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36302, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-08-15T00:57:52+03:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "end": { "local": "2018-08-15T23:21:48+03:00", "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": "2018-08-15T00:57:52+03:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "end": { "local": "2018-08-15T23:21:48+03:00", "utc": "2018-08-15T20:21:48Z", "ms": 1534364507531.6821 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T12:28:57+03:00", "utc": "2018-08-14T09:28:57Z", "ms": 1534238937465.3535 }, "end": { "local": "2018-08-14T13:16:57+03:00", "utc": "2018-08-14T10:16:57Z", "ms": 1534241817465.3535 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-15", "window": { "start": { "local": "2018-08-15T12:28:46+03:00", "utc": "2018-08-15T09:28:46Z", "ms": 1534325325849.7798 }, "end": { "local": "2018-08-15T13:16:46+03:00", "utc": "2018-08-15T10:16:46Z", "ms": 1534328205849.7798 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:58 on Wed 15 Aug to 23:22 on Wed 15 Aug.", "fact": "2018-08-14T21:57:52Z → 2018-08-15T20:21:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 14th, 12:29–13:17 on the 15th.", "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 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 36302 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Ankara, 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 Ankara, Nāga Pañcamī 2018 falls on Wednesday 15 August. Pañcamī runs from 00:58 on Wed 15 Aug to 23:22 on Wed 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-08-21", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3377, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-08-21T02:46:44+03:00", "utc": "2018-08-20T23:46:44Z", "ms": 1534808803761.1855 }, "end": { "local": "2018-08-22T05:10:43+03:00", "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": "2018-08-21T02:46:44+03:00", "utc": "2018-08-20T23:46:44Z", "ms": 1534808803761.1855 }, "end": { "local": "2018-08-22T05:10:43+03:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-08-21", "window": { "start": { "local": "2018-08-21T06:06:03+03:00", "utc": "2018-08-21T03:06:03Z", "ms": 1534820763022.179 }, "end": { "local": "2018-08-21T06:06:03+03:00", "utc": "2018-08-21T03:06:03Z", "ms": 1534820763022.179 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-22", "window": { "start": { "local": "2018-08-22T06:07:00+03:00", "utc": "2018-08-22T03:07:00Z", "ms": 1534907219839.533 }, "end": { "local": "2018-08-22T06:07:00+03:00", "utc": "2018-08-22T03:07:00Z", "ms": 1534907219839.533 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:47 on Tue 21 Aug to 05:11 on Wed 22 Aug.", "fact": "2018-08-20T23:46:44Z → 2018-08-22T02:10:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 21st and 06:07 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3377 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Ankara, 2018: Tuesday 21 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": "2018-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-21", "confidence": "determinate" } ], "quote": "In Ankara, Putradā Ekādaśī 2018 falls on Tuesday 21 August. Ekādaśī runs from 02:47 on Tue 21 Aug to 05:11 on Wed 22 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/festivals/2018/ekadashi?on=2018-08-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ankara/festivals/2018/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16875, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-08-22T05:10:43+03:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "end": { "local": "2018-08-23T07:45:39+03:00", "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": "2018-08-22T05:10:43+03:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "end": { "local": "2018-08-23T07:45:39+03:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-22", "window": { "start": { "local": "2018-08-22T12:27:10+03:00", "utc": "2018-08-22T09:27:10Z", "ms": 1534930030001.393 }, "end": { "local": "2018-08-22T13:15:10+03:00", "utc": "2018-08-22T10:15:10Z", "ms": 1534932910001.393 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-23", "window": { "start": { "local": "2018-08-23T12:26:54+03:00", "utc": "2018-08-23T09:26:54Z", "ms": 1535016414379.52 }, "end": { "local": "2018-08-23T13:14:54+03:00", "utc": "2018-08-23T10:14:54Z", "ms": 1535019294379.52 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:11 on Wed 22 Aug to 07:46 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: 12:27–13:15 on the 22nd, 12:27–13:15 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 16875 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Ankara, 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 Ankara, Dāmodara Dvādaśī 2018 falls on Wednesday 22 August. Dvādaśī runs from 05:11 on Wed 22 Aug to 07:46 on Thu 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-08-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33107, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-08-23T07:45:39+03:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "end": { "local": "2018-08-24T10:20:36+03:00", "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": "2018-08-23T07:45:39+03:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "end": { "local": "2018-08-24T10:20:36+03:00", "utc": "2018-08-24T07:20:36Z", "ms": 1535095236341.8088 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-08-23", "window": { "start": { "local": "2018-08-23T19:33:52+03:00", "utc": "2018-08-23T16:33:52Z", "ms": 1535042032162.1863 }, "end": { "local": "2018-08-23T20:58:32+03:00", "utc": "2018-08-23T17:58:32Z", "ms": 1535047112312.935 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2018-08-24", "window": { "start": { "local": "2018-08-24T19:32:23+03:00", "utc": "2018-08-24T16:32:23Z", "ms": 1535128343345.806 }, "end": { "local": "2018-08-24T20:57:23+03:00", "utc": "2018-08-24T17:57:23Z", "ms": 1535133442890.0261 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:46 on Thu 23 Aug to 10:21 on Fri 24 Aug.", "fact": "2018-08-23T04:45:39Z → 2018-08-24T07:20:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:34–20:59 on the 23rd, 19:32–20:57 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 85 of 85 minutes on the 23rd and 0 of 85 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 33107 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 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 Ankara, Śukla Pradoṣa Vrata 2018 falls on Thursday 23 August. Trayodaśī runs from 07:46 on Thu 23 Aug to 10:21 on Fri 24 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 15427, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-08-25T12:46:26+03:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T14:56:10+03:00", "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": "2018-08-26T01:53:40+03:00", "utc": "2018-08-25T22:53:40Z", "ms": 1535237619577.8662 }, "end": { "local": "2018-08-26T14:56:10+03:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 } }, "kaala": "day", "days": [ { "local_date": "2018-08-25", "window": { "start": { "local": "2018-08-25T06:09:50+03:00", "utc": "2018-08-25T03:09:50Z", "ms": 1535166589927.4575 }, "end": { "local": "2018-08-26T06:10:47+03:00", "utc": "2018-08-26T03:10:47Z", "ms": 1535253046502.251 } }, "covered_min": 257, "window_min": 1441, "qualifies": true }, { "local_date": "2018-08-26", "window": { "start": { "local": "2018-08-26T06:10:47+03:00", "utc": "2018-08-26T03:10:47Z", "ms": 1535253046502.251 }, "end": { "local": "2018-08-27T06:11:43+03:00", "utc": "2018-08-27T03:11:43Z", "ms": 1535339503019.8796 } }, "covered_min": 525, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:46 on Sat 25 Aug to 14:56 on Sun 26 Aug. Its second half begins at 01:54 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 06:10 on the 25th, and from 06:11 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 257 of 1441 minutes on the 25th and 525 of 1441 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 15427 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Ankara, 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 Ankara, Rakṣā Bandhana (Rakhi) 2018 falls on Sunday 26 August. The second half of Pūrṇimā runs from 01:54 on Sun 26 Aug to 14:56 on Sun 26 Aug and falls on two days: 525 minutes of it on the 26th, 257 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/ankara/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": "/ankara/festivals/2018/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1204, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-08-25T12:46:26+03:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T14:56:10+03:00", "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": "2018-08-25T12:46:26+03:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T14:56:10+03:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-25", "window": { "start": { "local": "2018-08-25T12:26:22+03:00", "utc": "2018-08-25T09:26:22Z", "ms": 1535189181837.3032 }, "end": { "local": "2018-08-25T13:14:22+03:00", "utc": "2018-08-25T10:14:22Z", "ms": 1535192061837.3032 } }, "covered_min": 28, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-26", "window": { "start": { "local": "2018-08-26T12:26:05+03:00", "utc": "2018-08-26T09:26:05Z", "ms": 1535275564950.717 }, "end": { "local": "2018-08-26T13:14:05+03:00", "utc": "2018-08-26T10:14:05Z", "ms": 1535278444950.717 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:46 on Sat 25 Aug to 14:56 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: 12:26–13:14 on the 25th, 12:26–13:14 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 28 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": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1204 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Ankara, 2018: Sunday 26 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-26", "confidence": "boundary" } ], "quote": "In Ankara, Ṛṣi Tarpaṇa 2018 falls on Sunday 26 August. Pūrṇimā runs from 12:46 on Sat 25 Aug to 14:56 on Sun 26 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 28 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/ankara/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": "/ankara/festivals/2018/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9280, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-08-27T16:45:01+03:00", "utc": "2018-08-27T13:45:01Z", "ms": 1535377500654.6133 }, "end": { "local": "2018-08-28T18:09:47+03:00", "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": "2018-08-27T16:45:01+03:00", "utc": "2018-08-27T13:45:01Z", "ms": 1535377500654.6133 }, "end": { "local": "2018-08-28T18:09:47+03:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-08-27", "window": { "start": { "local": "2018-08-27T20:15:33+03:00", "utc": "2018-08-27T17:15:33Z", "ms": 1535390132913.9592 }, "end": { "local": "2018-08-27T20:15:33+03:00", "utc": "2018-08-27T17:15:33Z", "ms": 1535390132913.9592 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-28", "window": { "start": { "local": "2018-08-28T20:44:27+03:00", "utc": "2018-08-28T17:44:27Z", "ms": 1535478267273.9307 }, "end": { "local": "2018-08-28T20:44:27+03:00", "utc": "2018-08-28T17:44:27Z", "ms": 1535478267273.9307 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 16:45 on Mon 27 Aug to 18:10 on Tue 28 Aug.", "fact": "2018-08-27T13:45:01Z → 2018-08-28T15:09:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:16 on the 27th and 20:44 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 9280 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Ankara, 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 Ankara, Aśūnya Śayana Vrata 2018 falls on Monday 27 August. Dvitīyā runs from 16:45 on Mon 27 Aug to 18:10 on Tue 28 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17777, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-08-28T18:09:47+03:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "end": { "local": "2018-08-29T19:08:27+03:00", "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": "2018-08-28T18:09:47+03:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "end": { "local": "2018-08-29T19:08:27+03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-28", "window": { "start": { "local": "2018-08-28T12:25:30+03:00", "utc": "2018-08-28T09:25:30Z", "ms": 1535448330035.3792 }, "end": { "local": "2018-08-28T13:13:30+03:00", "utc": "2018-08-28T10:13:30Z", "ms": 1535451210035.3792 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T12:25:12+03:00", "utc": "2018-08-29T09:25:12Z", "ms": 1535534712043.5605 }, "end": { "local": "2018-08-29T13:13:12+03:00", "utc": "2018-08-29T10:13:12Z", "ms": 1535537592043.5605 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:10 on Tue 28 Aug to 19:08 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: 12:26–13:14 on the 28th, 12:25–13:13 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 17777 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Ankara, 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 Ankara, Kajjalī Tṛtīyā (Kajari Teej) 2018 falls on Wednesday 29 August. Tṛtīyā runs from 18:10 on Tue 28 Aug to 19:08 on Wed 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 978, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-29T19:08:27+03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T19:39:33+03:00", "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": "2018-08-29T19:08:27+03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T19:39:33+03:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T16:46:34+03:00", "utc": "2018-08-29T13:46:34Z", "ms": 1535550393729.6653 }, "end": { "local": "2018-08-29T19:24:48+03:00", "utc": "2018-08-29T16:24:48Z", "ms": 1535559888187.0684 } }, "covered_min": 16, "window_min": 158, "qualifies": true }, { "local_date": "2018-08-30", "window": { "start": { "local": "2018-08-30T16:45:31+03:00", "utc": "2018-08-30T13:45:31Z", "ms": 1535636730589.43 }, "end": { "local": "2018-08-30T19:23:15+03:00", "utc": "2018-08-30T16:23:15Z", "ms": 1535646195168.5083 } }, "covered_min": 158, "window_min": 158, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:08 on Wed 29 Aug to 19:40 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: 16:47–19:25 on the 29th, 16:46–19:23 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 16 of 158 minutes on the 29th and 158 of 158 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both late afternoons qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 978 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Ankara, 2018: Wednesday 29 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": "2018-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-29", "confidence": "determinate" } ], "quote": "In Ankara, Bahulā Caturthī 2018 falls on Wednesday 29 August. Caturthī runs from 19:08 on Wed 29 Aug to 19:40 on Thu 30 Aug and covers 16 of 158 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 158 minutes; by the rule the first late afternoon is taken.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-08-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7368, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-29T19:08:27+03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T19:39:33+03:00", "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": "2018-08-29T19:08:27+03:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T19:39:33+03:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T21:13:02+03:00", "utc": "2018-08-29T18:13:02Z", "ms": 1535566381766.4575 }, "end": { "local": "2018-08-29T21:13:02+03:00", "utc": "2018-08-29T18:13:02Z", "ms": 1535566381766.4575 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-30", "window": { "start": { "local": "2018-08-30T21:42:21+03:00", "utc": "2018-08-30T18:42:21Z", "ms": 1535654541062.0986 }, "end": { "local": "2018-08-30T21:42:21+03:00", "utc": "2018-08-30T18:42:21Z", "ms": 1535654541062.0986 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:08 on Wed 29 Aug to 19:40 on Thu 30 Aug.", "fact": "2018-08-29T16:08:27Z → 2018-08-30T16:39:33Z" }, { "step": "kaala", "text": "Moonrise is at 21:13 on the 29th and 21:42 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 7368 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Wednesday 29 August. Caturthī runs from 19:08 on Wed 29 Aug to 19:40 on Thu 30 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21748, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-08-31T19:41:57+03:00", "utc": "2018-08-31T16:41:57Z", "ms": 1535733716910.0825 }, "end": { "local": "2018-09-01T19:14:44+03:00", "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": "2018-08-31T19:41:57+03:00", "utc": "2018-08-31T16:41:57Z", "ms": 1535733716910.0825 }, "end": { "local": "2018-09-01T19:14:44+03:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-31", "window": { "start": { "local": "2018-08-31T12:24:35+03:00", "utc": "2018-08-31T09:24:35Z", "ms": 1535707475086.2305 }, "end": { "local": "2018-08-31T13:12:35+03:00", "utc": "2018-08-31T10:12:35Z", "ms": 1535710355086.2305 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-01", "window": { "start": { "local": "2018-09-01T12:24:16+03:00", "utc": "2018-09-01T09:24:16Z", "ms": 1535793856159.0183 }, "end": { "local": "2018-09-01T13:12:16+03:00", "utc": "2018-09-01T10:12:16Z", "ms": 1535796736159.0183 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:42 on Fri 31 Aug to 19:15 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: 12:25–13:13 on the 31st, 12:24–13:12 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 21748 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Ankara, 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 Ankara, Hala Ṣaṣṭhī 2018 falls on Saturday 1 September. Ṣaṣṭhī runs from 19:42 on Fri 31 Aug to 19:15 on Sat 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22022, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-09-02T18:17:23+03:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "end": { "local": "2018-09-03T16:50:01+03:00", "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": "2018-09-02T18:17:23+03:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "end": { "local": "2018-09-03T16:50:01+03:00", "utc": "2018-09-03T13:50:01Z", "ms": 1535982600776.3923 } }, "kaala": "nishita", "days": [ { "local_date": "2018-09-02", "window": { "start": { "local": "2018-09-03T00:24:25+03:00", "utc": "2018-09-02T21:24:25Z", "ms": 1535923465091.2744 }, "end": { "local": "2018-09-03T01:12:25+03:00", "utc": "2018-09-02T22:12:25Z", "ms": 1535926345091.2744 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-03", "window": { "start": { "local": "2018-09-04T00:24:06+03:00", "utc": "2018-09-03T21:24:06Z", "ms": 1536009845629.4336 }, "end": { "local": "2018-09-04T01:12:06+03:00", "utc": "2018-09-03T22:12:06Z", "ms": 1536012725629.4336 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:17 on Sun 2 Sep to 16:50 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: 00:24–01:12 on the 2nd, 00:24–01:12 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 22022 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Ankara, 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 Ankara, Janmāṣṭamī 2018 falls on Sunday 2 September. Aṣṭamī runs from 18:17 on Sun 2 Sep to 16:50 on Mon 3 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18326, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-09-01T19:14:44+03:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "end": { "local": "2018-09-02T18:17:23+03:00", "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": "2018-09-01T19:14:44+03:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "end": { "local": "2018-09-02T18:17:23+03:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-01", "window": { "start": { "local": "2018-09-01T12:24:16+03:00", "utc": "2018-09-01T09:24:16Z", "ms": 1535793856159.0183 }, "end": { "local": "2018-09-01T13:12:16+03:00", "utc": "2018-09-01T10:12:16Z", "ms": 1535796736159.0183 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-02", "window": { "start": { "local": "2018-09-02T12:23:57+03:00", "utc": "2018-09-02T09:23:57Z", "ms": 1535880236958.1355 }, "end": { "local": "2018-09-02T13:11:57+03:00", "utc": "2018-09-02T10:11:57Z", "ms": 1535883116958.1355 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:15 on Sat 1 Sep to 18:17 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: 12:24–13:12 on the 1st, 12:24–13:12 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 18326 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Ankara, 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 Ankara, Śītalā Saptamī 2018 falls on Sunday 2 September. Saptamī runs from 19:15 on Sat 1 Sep to 18:17 on Sun 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-09-06", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12264, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-09-05T12:30:58+03:00", "utc": "2018-09-05T09:30:58Z", "ms": 1536139858454.8364 }, "end": { "local": "2018-09-06T09:45:31+03:00", "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": "2018-09-05T12:30:58+03:00", "utc": "2018-09-05T09:30:58Z", "ms": 1536139858454.8364 }, "end": { "local": "2018-09-06T09:45:31+03:00", "utc": "2018-09-06T06:45:31Z", "ms": 1536216330621.424 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-09-05", "window": { "start": { "local": "2018-09-05T06:20:10+03:00", "utc": "2018-09-05T03:20:10Z", "ms": 1536117609969.378 }, "end": { "local": "2018-09-05T06:20:10+03:00", "utc": "2018-09-05T03:20:10Z", "ms": 1536117609969.378 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-06", "window": { "start": { "local": "2018-09-06T06:21:06+03:00", "utc": "2018-09-06T03:21:06Z", "ms": 1536204066215.56 }, "end": { "local": "2018-09-06T06:21:06+03:00", "utc": "2018-09-06T03:21:06Z", "ms": 1536204066215.56 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:31 on Wed 5 Sep to 09:46 on Thu 6 Sep.", "fact": "2018-09-05T09:30:58Z → 2018-09-06T06:45:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 5th and 06:21 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 12264 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Ankara, 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 Ankara, Ajā Ekādaśī 2018 falls on Thursday 6 September. Ekādaśī runs from 12:31 on Wed 5 Sep to 09:46 on Thu 6 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-09-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24525, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-09-07T06:42:37+03:00", "utc": "2018-09-07T03:42:37Z", "ms": 1536291757497.336 }, "end": { "local": "2018-09-08T03:28:57+03:00", "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": "2018-09-07T06:42:37+03:00", "utc": "2018-09-07T03:42:37Z", "ms": 1536291757497.336 }, "end": { "local": "2018-09-08T03:28:57+03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-06", "window": { "start": { "local": "2018-09-06T19:12:09+03:00", "utc": "2018-09-06T16:12:09Z", "ms": 1536250329338.5583 }, "end": { "local": "2018-09-06T20:41:28+03:00", "utc": "2018-09-06T17:41:28Z", "ms": 1536255688421.718 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T19:10:32+03:00", "utc": "2018-09-07T16:10:32Z", "ms": 1536336632478.9783 }, "end": { "local": "2018-09-07T20:40:12+03:00", "utc": "2018-09-07T17:40:12Z", "ms": 1536342011976.6643 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:43 on Fri 7 Sep to 03:29 on Sat 8 Sep.", "fact": "2018-09-07T03:42:37Z → 2018-09-08T00:28:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:12–20:41 on the 6th, 19:11–20:40 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 89 minutes on the 6th and 90 of 90 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 24525 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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 Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 7 September. Trayodaśī runs from 06:43 on Fri 7 Sep to 03:29 on Sat 8 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-09-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-07", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 606, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-08T03:28:57+03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-09T00:12:19+03:00", "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": "2018-09-08T03:28:57+03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-09T00:12:19+03:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 } }, "kaala": "nishita", "days": [ { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-08T00:22:46+03:00", "utc": "2018-09-07T21:22:46Z", "ms": 1536355365595.3013 }, "end": { "local": "2018-09-08T01:10:46+03:00", "utc": "2018-09-07T22:10:46Z", "ms": 1536358245595.3013 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-08", "window": { "start": { "local": "2018-09-09T00:22:25+03:00", "utc": "2018-09-08T21:22:25Z", "ms": 1536441745116.5752 }, "end": { "local": "2018-09-09T01:10:25+03:00", "utc": "2018-09-08T22:10:25Z", "ms": 1536444625116.5752 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:29 on Sat 8 Sep to 00:12 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: 00:23–01:11 on the 7th, 00:22–01:10 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 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 606 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 2018: Friday 7 September.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-07", "confidence": "boundary" } ], "quote": "In Ankara, Śivarātri 2018 falls on Friday 7 September. Caturdaśī runs from 03:29 on Sat 8 Sep to 00:12 on Sun 9 Sep, and reaches niśītha on neither day.", "cite": "https://ahargana.org/ankara/festivals/2018/shivaratri?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": "/ankara/festivals/2018/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12804, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-08T03:28:57+03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-09T00:12:19+03:00", "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": "2018-09-08T03:28:57+03:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-09T00:12:19+03:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T19:10:32+03:00", "utc": "2018-09-07T16:10:32Z", "ms": 1536336632478.9783 }, "end": { "local": "2018-09-07T20:40:12+03:00", "utc": "2018-09-07T17:40:12Z", "ms": 1536342011976.6643 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "2018-09-08", "window": { "start": { "local": "2018-09-08T19:08:55+03:00", "utc": "2018-09-08T16:08:55Z", "ms": 1536422935267.7087 }, "end": { "local": "2018-09-08T20:38:55+03:00", "utc": "2018-09-08T17:38:55Z", "ms": 1536428335227.4065 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:29 on Sat 8 Sep to 00:12 on Sun 9 Sep.", "fact": "2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:11–20:40 on the 7th, 19:09–20:39 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 90 minutes on the 7th and 90 of 90 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 12804 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Ankara, 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 Ankara, Aghora Caturdaśī 2018 falls on Saturday 8 September. Caturdaśī runs from 03:29 on Sat 8 Sep to 00:12 on Sun 9 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17790, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-09-09T21:01:28+03:00", "utc": "2018-09-09T18:01:28Z", "ms": 1536516087831.1147 }, "end": { "local": "2018-09-10T18:05:46+03:00", "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": "2018-09-09T21:01:28+03:00", "utc": "2018-09-09T18:01:28Z", "ms": 1536516087831.1147 }, "end": { "local": "2018-09-10T18:05:46+03:00", "utc": "2018-09-10T15:05:46Z", "ms": 1536591945515.9116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-09", "window": { "start": { "local": "2018-09-09T12:21:36+03:00", "utc": "2018-09-09T09:21:36Z", "ms": 1536484896347.8936 }, "end": { "local": "2018-09-09T13:09:36+03:00", "utc": "2018-09-09T10:09:36Z", "ms": 1536487776347.8936 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-10", "window": { "start": { "local": "2018-09-10T12:21:16+03:00", "utc": "2018-09-10T09:21:16Z", "ms": 1536571275558.8745 }, "end": { "local": "2018-09-10T13:09:16+03:00", "utc": "2018-09-10T10:09:16Z", "ms": 1536574155558.8745 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:01 on Sun 9 Sep to 18:06 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: 12:22–13:10 on the 9th, 12:21–13:09 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 17790 s" }, { "step": "ruling", "text": "Rudra Vrata, Ankara, 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 Ankara, Rudra Vrata 2018 falls on Monday 10 September. Pratipadā runs from 21:01 on Sun 9 Sep to 18:06 on Mon 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1735, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-09-11T15:34:44+03:00", "utc": "2018-09-11T12:34:44Z", "ms": 1536669283697.1453 }, "end": { "local": "2018-09-12T13:37:29+03:00", "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": "2018-09-11T15:34:44+03:00", "utc": "2018-09-11T12:34:44Z", "ms": 1536669283697.1453 }, "end": { "local": "2018-09-12T13:37:29+03:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-11", "window": { "start": { "local": "2018-09-11T12:20:55+03:00", "utc": "2018-09-11T09:20:55Z", "ms": 1536657654636.576 }, "end": { "local": "2018-09-11T13:08:55+03:00", "utc": "2018-09-11T10:08:55Z", "ms": 1536660534636.576 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-12", "window": { "start": { "local": "2018-09-12T12:20:34+03:00", "utc": "2018-09-12T09:20:34Z", "ms": 1536744033595.7607 }, "end": { "local": "2018-09-12T13:08:34+03:00", "utc": "2018-09-12T10:08:34Z", "ms": 1536746913595.7607 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:35 on Tue 11 Sep to 13:37 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: 12:21–13:09 on the 11th, 12:21–13:09 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 1735 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Ankara, 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 Ankara, Haritālikā Vrata (Hartalika Teej) 2018 falls on Wednesday 12 September. Tṛtīyā runs from 15:35 on Tue 11 Sep to 13:37 on Wed 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-13", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 103, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-09-12T13:37:29+03:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "end": { "local": "2018-09-13T12:21:55+03:00", "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": "2018-09-12T13:37:29+03:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "end": { "local": "2018-09-13T12:21:55+03:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-12", "window": { "start": { "local": "2018-09-12T12:20:34+03:00", "utc": "2018-09-12T09:20:34Z", "ms": 1536744033595.7607 }, "end": { "local": "2018-09-12T13:08:34+03:00", "utc": "2018-09-12T10:08:34Z", "ms": 1536746913595.7607 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-13", "window": { "start": { "local": "2018-09-13T12:20:12+03:00", "utc": "2018-09-13T09:20:12Z", "ms": 1536830412452.195 }, "end": { "local": "2018-09-13T13:08:12+03:00", "utc": "2018-09-13T10:08:12Z", "ms": 1536833292452.195 } }, "covered_min": 2, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:37 on Wed 12 Sep to 12:22 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: 12:21–13:09 on the 12th, 12:20–13:08 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 2 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 103 s < 300 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Ankara, 2018: Thursday 13 September.", "fact": "confidence: boundary (margin)" } ], "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": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-12", "confidence": "determinate" } ], "quote": "In Ankara, Gaṇeśa Caturthī 2018 falls on Thursday 13 September. Caturthī runs from 13:37 on Wed 12 Sep to 12:22 on Thu 13 Sep and covers 2 of 48 minutes of madhyāhna that midday. It is 1 min 43 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-13", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 103, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-09-13T12:21:55+03:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "end": { "local": "2018-09-14T11:53:43+03:00", "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": "2018-09-13T12:21:55+03:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "end": { "local": "2018-09-14T11:53:43+03:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-13", "window": { "start": { "local": "2018-09-13T12:20:12+03:00", "utc": "2018-09-13T09:20:12Z", "ms": 1536830412452.195 }, "end": { "local": "2018-09-13T13:08:12+03:00", "utc": "2018-09-13T10:08:12Z", "ms": 1536833292452.195 } }, "covered_min": 46, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-14", "window": { "start": { "local": "2018-09-14T12:19:51+03:00", "utc": "2018-09-14T09:19:51Z", "ms": 1536916791222.8066 }, "end": { "local": "2018-09-14T13:07:51+03:00", "utc": "2018-09-14T10:07:51Z", "ms": 1536919671222.8066 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:22 on Thu 13 Sep to 11:54 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: 12:20–13:08 on the 13th, 12:20–13:08 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 46 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: disputed → only-day · margin 103 s < 300 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Ankara, 2018: Thursday 13 September.", "fact": "confidence: boundary (margin)" } ], "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": "2018-09-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-13", "confidence": "boundary" } ], "quote": "In Ankara, Ṛṣi Pañcamī 2018 falls on Thursday 13 September. Pañcamī runs from 12:22 on Thu 13 Sep to 11:54 on Fri 14 Sep and covers 46 of 48 minutes of madhyāhna that midday. It is 1 min 43 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-14", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 257, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-09-14T11:53:43+03:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "end": { "local": "2018-09-15T12:15:13+03:00", "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": "2018-09-14T11:53:43+03:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "end": { "local": "2018-09-15T12:15:13+03:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-14", "window": { "start": { "local": "2018-09-14T12:19:51+03:00", "utc": "2018-09-14T09:19:51Z", "ms": 1536916791222.8066 }, "end": { "local": "2018-09-14T13:07:51+03:00", "utc": "2018-09-14T10:07:51Z", "ms": 1536919671222.8066 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-15", "window": { "start": { "local": "2018-09-15T12:19:30+03:00", "utc": "2018-09-15T09:19:30Z", "ms": 1537003169925.5237 }, "end": { "local": "2018-09-15T13:07:30+03:00", "utc": "2018-09-15T10:07:30Z", "ms": 1537006049925.5237 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:54 on Fri 14 Sep to 12:15 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: 12:20–13:08 on the 14th, 12:19–13:07 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 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 257 s < 300 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Ankara, 2018: Friday 14 September.", "fact": "confidence: boundary (margin)" } ], "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": "2018-09-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-15", "confidence": "determinate" } ], "quote": "In Ankara, Sūrya Ṣaṣṭhī (Bhādrapada) 2018 falls on Friday 14 September. Ṣaṣṭhī runs from 11:54 on Fri 14 Sep to 12:15 on Sat 15 Sep and covers all of madhyāhna that midday. It is 4 min 17 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-15", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 257, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-09-15T12:15:13+03:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "end": { "local": "2018-09-16T13:24:25+03:00", "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": "2018-09-15T12:15:13+03:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "end": { "local": "2018-09-16T13:24:25+03:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-15", "window": { "start": { "local": "2018-09-15T12:19:30+03:00", "utc": "2018-09-15T09:19:30Z", "ms": 1537003169925.5237 }, "end": { "local": "2018-09-15T13:07:30+03:00", "utc": "2018-09-15T10:07:30Z", "ms": 1537006049925.5237 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-16", "window": { "start": { "local": "2018-09-16T12:19:09+03:00", "utc": "2018-09-16T09:19:09Z", "ms": 1537089548579.4253 }, "end": { "local": "2018-09-16T13:07:09+03:00", "utc": "2018-09-16T10:07:09Z", "ms": 1537092428579.4253 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:15 on Sat 15 Sep to 13:24 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: 12:19–13:07 on the 15th, 12:19–13:07 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 257 s < 300 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Ankara, 2018: Saturday 15 September.", "fact": "confidence: boundary (margin)" } ], "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": "2018-09-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-15", "confidence": "determinate" } ], "quote": "In Ankara, Muktābharaṇa Vrata 2018 falls on Saturday 15 September. Saptamī runs from 12:15 on Sat 15 Sep to 13:24 on Sun 16 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken. It is 4 min 17 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1037, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-09-16T13:24:25+03:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "end": { "local": "2018-09-17T15:14:32+03:00", "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": "2018-09-16T13:24:25+03:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "end": { "local": "2018-09-17T15:14:32+03:00", "utc": "2018-09-17T12:14:32Z", "ms": 1537186471983.9614 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-16", "window": { "start": { "local": "2018-09-16T12:19:09+03:00", "utc": "2018-09-16T09:19:09Z", "ms": 1537089548579.4253 }, "end": { "local": "2018-09-16T13:07:09+03:00", "utc": "2018-09-16T10:07:09Z", "ms": 1537092428579.4253 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-17", "window": { "start": { "local": "2018-09-17T12:18:47+03:00", "utc": "2018-09-17T09:18:47Z", "ms": 1537175927203.4043 }, "end": { "local": "2018-09-17T13:06:47+03:00", "utc": "2018-09-17T10:06:47Z", "ms": 1537178807203.4043 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:24 on Sun 16 Sep to 15:15 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: 12:19–13:07 on the 16th, 12:19–13:07 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 1037 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Ankara, 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": "boundary" } ], "quote": "In Ankara, Rādhāṣṭamī 2018 falls on Monday 17 September. Aṣṭamī runs from 13:24 on Sun 16 Sep to 15:15 on Mon 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-09-20", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28120, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-09-19T20:09:57+03:00", "utc": "2018-09-19T17:09:57Z", "ms": 1537376997300.0315 }, "end": { "local": "2018-09-20T22:46:32+03:00", "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": "2018-09-19T20:09:57+03:00", "utc": "2018-09-19T17:09:57Z", "ms": 1537376997300.0315 }, "end": { "local": "2018-09-20T22:46:32+03:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-09-20", "window": { "start": { "local": "2018-09-20T06:34:15+03:00", "utc": "2018-09-20T03:34:15Z", "ms": 1537414455258.845 }, "end": { "local": "2018-09-20T06:34:15+03:00", "utc": "2018-09-20T03:34:15Z", "ms": 1537414455258.845 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T06:35:12+03:00", "utc": "2018-09-21T03:35:12Z", "ms": 1537500911993.7112 }, "end": { "local": "2018-09-21T06:35:12+03:00", "utc": "2018-09-21T03:35:12Z", "ms": 1537500911993.7112 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:10 on Wed 19 Sep to 22:47 on Thu 20 Sep.", "fact": "2018-09-19T17:09:57Z → 2018-09-20T19:46:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 20th and 06:35 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 28120 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Ankara, 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 Ankara, Parivartanī Ekādaśī 2018 falls on Thursday 20 September. Ekādaśī runs from 20:10 on Wed 19 Sep to 22:47 on Thu 20 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34848, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-09-20T22:46:32+03:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "end": { "local": "2018-09-22T01:11:01+03:00", "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": "2018-09-20T22:46:32+03:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "end": { "local": "2018-09-22T01:11:01+03:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-20", "window": { "start": { "local": "2018-09-20T12:17:43+03:00", "utc": "2018-09-20T09:17:43Z", "ms": 1537435063105.6467 }, "end": { "local": "2018-09-20T13:05:43+03:00", "utc": "2018-09-20T10:05:43Z", "ms": 1537437943105.6467 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T12:17:22+03:00", "utc": "2018-09-21T09:17:22Z", "ms": 1537521441820.9624 }, "end": { "local": "2018-09-21T13:05:22+03:00", "utc": "2018-09-21T10:05:22Z", "ms": 1537524321820.9624 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:47 on Thu 20 Sep to 01:11 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: 12:18–13:06 on the 20th, 12:17–13:05 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34848 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Ankara, 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 Ankara, Vāmana Jayantī 2018 falls on Friday 21 September. Dvādaśī runs from 22:47 on Thu 20 Sep to 01:11 on Sat 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-09-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17340, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-09-22T01:11:01+03:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "end": { "local": "2018-09-23T03:13:33+03:00", "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": "2018-09-22T01:11:01+03:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "end": { "local": "2018-09-23T03:13:33+03:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T18:47:32+03:00", "utc": "2018-09-21T15:47:32Z", "ms": 1537544851648.2136 }, "end": { "local": "2018-09-21T20:22:01+03:00", "utc": "2018-09-21T17:22:01Z", "ms": 1537550520606.521 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2018-09-22", "window": { "start": { "local": "2018-09-22T18:45:52+03:00", "utc": "2018-09-22T15:45:52Z", "ms": 1537631152392.0662 }, "end": { "local": "2018-09-22T20:20:42+03:00", "utc": "2018-09-22T17:20:42Z", "ms": 1537636842179.582 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:11 on Sat 22 Sep to 03:14 on Sun 23 Sep.", "fact": "2018-09-21T22:11:01Z → 2018-09-23T00:13:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:22 on the 21st, 18:46–20:21 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 94 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 17340 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 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 Ankara, Śukla Pradoṣa Vrata 2018 falls on Saturday 22 September. Trayodaśī runs from 01:11 on Sat 22 Sep to 03:14 on Sun 23 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6594, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-23T03:13:33+03:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "end": { "local": "2018-09-24T04:48:09+03:00", "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": "2018-09-23T03:13:33+03:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "end": { "local": "2018-09-24T04:48:09+03:00", "utc": "2018-09-24T01:48:09Z", "ms": 1537753689242.162 } }, "kaala": "udaya-3", "days": [ { "local_date": "2018-09-23", "window": { "start": { "local": "2018-09-23T06:37:06+03:00", "utc": "2018-09-23T03:37:06Z", "ms": 1537673825798.4346 }, "end": { "local": "2018-09-23T09:02:31+03:00", "utc": "2018-09-23T06:02:31Z", "ms": 1537682551281.8428 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "2018-09-24", "window": { "start": { "local": "2018-09-24T06:38:03+03:00", "utc": "2018-09-24T03:38:03Z", "ms": 1537760282897.2908 }, "end": { "local": "2018-09-24T09:02:57+03:00", "utc": "2018-09-24T06:02:57Z", "ms": 1537768977147.8499 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:14 on Sun 23 Sep to 04:48 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: 06:37–09:03 on the 23rd, 06:38–09:03 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 6594 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Ankara, 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 Ankara, Ananta Caturdaśī 2018 falls on Sunday 23 September. Caturdaśī runs from 03:14 on Sun 23 Sep to 04:48 on Mon 24 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-09-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31487, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-09-28T06:14:38+03:00", "utc": "2018-09-28T03:14:38Z", "ms": 1538104478302.8882 }, "end": { "local": "2018-09-29T05:34:01+03:00", "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": "2018-09-28T06:14:38+03:00", "utc": "2018-09-28T03:14:38Z", "ms": 1538104478302.8882 }, "end": { "local": "2018-09-29T05:34:01+03:00", "utc": "2018-09-29T02:34:01Z", "ms": 1538188440799.8599 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-09-27", "window": { "start": { "local": "2018-09-27T20:15:38+03:00", "utc": "2018-09-27T17:15:38Z", "ms": 1538068538434.8284 }, "end": { "local": "2018-09-27T20:15:38+03:00", "utc": "2018-09-27T17:15:38Z", "ms": 1538068538434.8284 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-28", "window": { "start": { "local": "2018-09-28T20:49:13+03:00", "utc": "2018-09-28T17:49:13Z", "ms": 1538156953397.6338 }, "end": { "local": "2018-09-28T20:49:13+03:00", "utc": "2018-09-28T17:49:13Z", "ms": 1538156953397.6338 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:15 on Fri 28 Sep to 05:34 on Sat 29 Sep.", "fact": "2018-09-28T03:14:38Z → 2018-09-29T02:34:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:16 on the 27th and 20:49 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 31487 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Friday 28 September. Caturthī runs from 06:15 on Fri 28 Sep to 05:34 on Sat 29 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18283, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-09-30T04:33:37+03:00", "utc": "2018-09-30T01:33:37Z", "ms": 1538271217018.0454 }, "end": { "local": "2018-10-01T03:15:05+03:00", "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": "2018-09-30T04:33:37+03:00", "utc": "2018-09-30T01:33:37Z", "ms": 1538271217018.0454 }, "end": { "local": "2018-10-01T03:15:05+03:00", "utc": "2018-10-01T00:15:05Z", "ms": 1538352904691.5183 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-09-29", "window": { "start": { "local": "2018-09-29T21:27:00+03:00", "utc": "2018-09-29T18:27:00Z", "ms": 1538245619587.211 }, "end": { "local": "2018-09-29T21:27:00+03:00", "utc": "2018-09-29T18:27:00Z", "ms": 1538245619587.211 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-30", "window": { "start": { "local": "2018-09-30T22:10:22+03:00", "utc": "2018-09-30T19:10:22Z", "ms": 1538334621993.8682 }, "end": { "local": "2018-09-30T22:10:22+03:00", "utc": "2018-09-30T19:10:22Z", "ms": 1538334621993.8682 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 04:34 on Sun 30 Sep to 03:15 on Mon 1 Oct.", "fact": "2018-09-30T01:33:37Z → 2018-10-01T00:15:05Z" }, { "step": "kaala", "text": "Moonrise is at 21:27 on the 29th and 22:10 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 18283 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Ankara, 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 Ankara, Candra Ṣaṣṭhī 2018 falls on Sunday 30 September. Ṣaṣṭhī runs from 04:34 on Sun 30 Sep to 03:15 on Mon 1 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-01", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 624, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-02T01:39:25+03:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T23:47:26+03:00", "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": "2018-10-02T01:39:25+03:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T23:47:26+03:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-01", "window": { "start": { "local": "2018-10-01T23:00:30+03:00", "utc": "2018-10-01T20:00:30Z", "ms": 1538424030141.9927 }, "end": { "local": "2018-10-01T23:00:30+03:00", "utc": "2018-10-01T20:00:30Z", "ms": 1538424030141.9927 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-02", "window": { "start": { "local": "2018-10-02T23:57:49+03:00", "utc": "2018-10-02T20:57:49Z", "ms": 1538513869334.4753 }, "end": { "local": "2018-10-02T23:57:49+03:00", "utc": "2018-10-02T20:57:49Z", "ms": 1538513869334.4753 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:39 on Tue 2 Oct to 23:47 on Tue 2 Oct.", "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z" }, { "step": "kaala", "text": "Moonrise is at 23:01 on the 1st and 23:58 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 not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 624 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Ankara, 2018: Monday 1 October.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2018-10-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-01", "confidence": "boundary" } ], "quote": "In Ankara, Mahālakṣmī Vrata Samāpana 2018 falls on Monday 1 October. Aṣṭamī runs from 01:39 on Tue 2 Oct to 23:47 on Tue 2 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13178, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-02T01:39:25+03:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T23:47:26+03:00", "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": "2018-10-02T01:39:25+03:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T23:47:26+03:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-01", "window": { "start": { "local": "2018-10-01T18:31:06+03:00", "utc": "2018-10-01T15:31:06Z", "ms": 1538407866482.9336 }, "end": { "local": "2018-10-01T20:09:04+03:00", "utc": "2018-10-01T17:09:04Z", "ms": 1538413743814.3755 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2018-10-02", "window": { "start": { "local": "2018-10-02T18:29:29+03:00", "utc": "2018-10-02T15:29:29Z", "ms": 1538494169454.272 }, "end": { "local": "2018-10-02T20:07:48+03:00", "utc": "2018-10-02T17:07:48Z", "ms": 1538500067591.8032 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:39 on Tue 2 Oct to 23:47 on Tue 2 Oct.", "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:09 on the 1st, 18:29–20:08 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 98 minutes on the 1st and 98 of 98 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 13178 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Ankara, 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 Ankara, Jitāṣṭamī (Jitiya) 2018 falls on Tuesday 2 October. Aṣṭamī runs from 01:39 on Tue 2 Oct to 23:47 on Tue 2 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-10-05", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35951, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-10-04T19:19:17+03:00", "utc": "2018-10-04T16:19:17Z", "ms": 1538669957162.1123 }, "end": { "local": "2018-10-05T16:47:55+03:00", "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": "2018-10-04T19:19:17+03:00", "utc": "2018-10-04T16:19:17Z", "ms": 1538669957162.1123 }, "end": { "local": "2018-10-05T16:47:55+03:00", "utc": "2018-10-05T13:47:55Z", "ms": 1538747275036.1294 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-10-04", "window": { "start": { "local": "2018-10-04T06:47:45+03:00", "utc": "2018-10-04T03:47:45Z", "ms": 1538624864780.4792 }, "end": { "local": "2018-10-04T06:47:45+03:00", "utc": "2018-10-04T03:47:45Z", "ms": 1538624864780.4792 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-05", "window": { "start": { "local": "2018-10-05T06:48:44+03:00", "utc": "2018-10-05T03:48:44Z", "ms": 1538711324360.5325 }, "end": { "local": "2018-10-05T06:48:44+03:00", "utc": "2018-10-05T03:48:44Z", "ms": 1538711324360.5325 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:19 on Thu 4 Oct to 16:48 on Fri 5 Oct.", "fact": "2018-10-04T16:19:17Z → 2018-10-05T13:47:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 4th and 06:49 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35951 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Ankara, 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 Ankara, Indirā Ekādaśī 2018 falls on Friday 5 October. Ekādaśī runs from 19:19 on Thu 4 Oct to 16:48 on Fri 5 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-10-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15159, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-10-06T14:10:26+03:00", "utc": "2018-10-06T11:10:26Z", "ms": 1538824226432.8416 }, "end": { "local": "2018-10-07T11:32:46+03:00", "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": "2018-10-06T14:10:26+03:00", "utc": "2018-10-06T11:10:26Z", "ms": 1538824226432.8416 }, "end": { "local": "2018-10-07T11:32:46+03:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-06", "window": { "start": { "local": "2018-10-06T18:23:06+03:00", "utc": "2018-10-06T15:23:06Z", "ms": 1538839385605.7766 }, "end": { "local": "2018-10-06T20:02:47+03:00", "utc": "2018-10-06T17:02:47Z", "ms": 1538845366778.1833 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2018-10-07", "window": { "start": { "local": "2018-10-07T18:21:31+03:00", "utc": "2018-10-07T15:21:31Z", "ms": 1538925690857.2732 }, "end": { "local": "2018-10-07T20:01:33+03:00", "utc": "2018-10-07T17:01:33Z", "ms": 1538931692724.9226 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:10 on Sat 6 Oct to 11:33 on Sun 7 Oct.", "fact": "2018-10-06T11:10:26Z → 2018-10-07T08:32:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–20:03 on the 6th, 18:22–20:02 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 100 of 100 minutes on the 6th and 0 of 100 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 15159 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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 Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 6 October. Trayodaśī runs from 14:10 on Sat 6 Oct to 11:33 on Sun 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-10-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28891, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-10-07T11:32:46+03:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "end": { "local": "2018-10-08T09:02:09+03:00", "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": "2018-10-07T11:32:46+03:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "end": { "local": "2018-10-08T09:02:09+03:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 } }, "kaala": "nishita", "days": [ { "local_date": "2018-10-06", "window": { "start": { "local": "2018-10-07T00:12:55+03:00", "utc": "2018-10-06T21:12:55Z", "ms": 1538860375002.302 }, "end": { "local": "2018-10-07T01:00:55+03:00", "utc": "2018-10-06T22:00:55Z", "ms": 1538863255002.302 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-10-07", "window": { "start": { "local": "2018-10-08T00:12:38+03:00", "utc": "2018-10-07T21:12:38Z", "ms": 1538946757860.9583 }, "end": { "local": "2018-10-08T01:00:38+03:00", "utc": "2018-10-07T22:00:38Z", "ms": 1538949637860.9583 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:33 on Sun 7 Oct to 09:02 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: 00:13–01:01 on the 6th, 00:13–01:01 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 28891 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 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 Ankara, Śivarātri 2018 falls on Sunday 7 October. Caturdaśī runs from 11:33 on Sun 7 Oct to 09:02 on Mon 8 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16951, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-10-08T09:02:09+03:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "end": { "local": "2018-10-09T06:46:51+03:00", "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": "2018-10-08T09:02:09+03:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "end": { "local": "2018-10-09T06:46:51+03:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 } }, "kaala": "aparahna", "days": [ { "local_date": "2018-10-08", "window": { "start": { "local": "2018-10-08T13:44:40+03:00", "utc": "2018-10-08T10:44:40Z", "ms": 1538995479936.42 }, "end": { "local": "2018-10-08T16:02:18+03:00", "utc": "2018-10-08T13:02:18Z", "ms": 1539003738293.6787 } }, "covered_min": 138, "window_min": 138, "qualifies": true }, { "local_date": "2018-10-09", "window": { "start": { "local": "2018-10-09T13:44:08+03:00", "utc": "2018-10-09T10:44:08Z", "ms": 1539081848061.412 }, "end": { "local": "2018-10-09T16:01:16+03:00", "utc": "2018-10-09T13:01:16Z", "ms": 1539090075538.0596 } }, "covered_min": 0, "window_min": 137, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 09:02 on Mon 8 Oct to 06:47 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: 13:45–16:02 on the 8th, 13:44–16:01 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 138 of 138 minutes on the 8th and 0 of 137 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 16951 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Ankara, 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 Ankara, Mahālaya Amāvāsyā 2018 falls on Monday 8 October. Amāvasyā runs from 09:02 on Mon 8 Oct to 06:47 on Tue 9 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19484, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-10-09T06:46:51+03:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "end": { "local": "2018-10-10T04:55:36+03:00", "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": "2018-10-09T06:46:51+03:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "end": { "local": "2018-10-10T04:55:36+03:00", "utc": "2018-10-10T01:55:36Z", "ms": 1539136535822.0413 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-09", "window": { "start": { "local": "2018-10-09T12:11:34+03:00", "utc": "2018-10-09T09:11:34Z", "ms": 1539076294323.0884 }, "end": { "local": "2018-10-09T12:59:34+03:00", "utc": "2018-10-09T09:59:34Z", "ms": 1539079174323.0884 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-10", "window": { "start": { "local": "2018-10-10T12:11:18+03:00", "utc": "2018-10-10T09:11:18Z", "ms": 1539162678338.84 }, "end": { "local": "2018-10-10T12:59:18+03:00", "utc": "2018-10-10T09:59:18Z", "ms": 1539165558338.84 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:47 on Tue 9 Oct to 04:56 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: 12:12–13:00 on the 9th, 12:11–12:59 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 19484 s" }, { "step": "ruling", "text": "Navarātrārambha, Ankara, 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 Ankara, Navarātrārambha (Navratri) 2018 falls on Tuesday 9 October. Pratipadā runs from 06:47 on Tue 9 Oct to 04:56 on Wed 10 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-10-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32734, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-12T02:58:24+03:00", "utc": "2018-10-11T23:58:24Z", "ms": 1539302303663.2517 }, "end": { "local": "2018-10-13T03:04:59+03:00", "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": "2018-10-12T02:58:24+03:00", "utc": "2018-10-11T23:58:24Z", "ms": 1539302303663.2517 }, "end": { "local": "2018-10-13T03:04:59+03:00", "utc": "2018-10-13T00:04:59Z", "ms": 1539389099123.9595 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-12", "window": { "start": { "local": "2018-10-12T12:10:48+03:00", "utc": "2018-10-12T09:10:48Z", "ms": 1539335447782.2222 }, "end": { "local": "2018-10-12T12:58:48+03:00", "utc": "2018-10-12T09:58:48Z", "ms": 1539338327782.2222 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-13", "window": { "start": { "local": "2018-10-13T12:10:33+03:00", "utc": "2018-10-13T09:10:33Z", "ms": 1539421833241.1128 }, "end": { "local": "2018-10-13T12:58:33+03:00", "utc": "2018-10-13T09:58:33Z", "ms": 1539424713241.1128 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:58 on Fri 12 Oct to 03:05 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: 12:11–12:59 on the 12th, 12:11–12:59 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 32734 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 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 Ankara, Vināyaka Caturthī 2018 falls on Friday 12 October. Caturthī runs from 02:58 on Fri 12 Oct to 03:05 on Sat 13 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-16", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 132, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-10-15T05:35:01+03:00", "utc": "2018-10-15T02:35:01Z", "ms": 1539570900763.333 }, "end": { "local": "2018-10-16T07:46:42+03:00", "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": "2018-10-15T05:35:01+03:00", "utc": "2018-10-15T02:35:01Z", "ms": 1539570900763.333 }, "end": { "local": "2018-10-16T07:46:42+03:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 } }, "kaala": "udaya-1", "days": [ { "local_date": "2018-10-15", "window": { "start": { "local": "2018-10-15T06:58:57+03:00", "utc": "2018-10-15T03:58:57Z", "ms": 1539575936620.519 }, "end": { "local": "2018-10-15T07:43:38+03:00", "utc": "2018-10-15T04:43:38Z", "ms": 1539578617833.1062 } }, "covered_min": 45, "window_min": 45, "qualifies": true }, { "local_date": "2018-10-16", "window": { "start": { "local": "2018-10-16T07:00:00+03:00", "utc": "2018-10-16T04:00:00Z", "ms": 1539662399526.3147 }, "end": { "local": "2018-10-16T07:44:31+03:00", "utc": "2018-10-16T04:44:31Z", "ms": 1539665070624.631 } }, "covered_min": 45, "window_min": 45, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:35 on Mon 15 Oct to 07:47 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: 06:59–07:44 on the 15th, 07:00–07:45 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 45 of 45 minutes on the 15th and 45 of 45 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both mornings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 132 s < 300 s" }, { "step": "ruling", "text": "Durgā Saptamī, Ankara, 2018: Tuesday 16 October.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-16", "confidence": "boundary" } ], "quote": "In Ankara, Durgā Saptamī 2018 falls on Tuesday 16 October. Saptamī runs from 05:35 on Mon 15 Oct to 07:47 on Tue 16 Oct and covers all of the first muhūrta after sunrise that morning. It also reaches the previous morning for 45 minutes; by the rule the second morning is taken. It is 2 min 12 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6574, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-16T07:46:42+03:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "end": { "local": "2018-10-17T10:20:06+03:00", "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": "2018-10-16T07:46:42+03:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "end": { "local": "2018-10-17T10:20:06+03:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-16", "window": { "start": { "local": "2018-10-16T12:09:53+03:00", "utc": "2018-10-16T09:09:53Z", "ms": 1539680992763.687 }, "end": { "local": "2018-10-16T12:57:53+03:00", "utc": "2018-10-16T09:57:53Z", "ms": 1539683872763.687 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-17", "window": { "start": { "local": "2018-10-17T12:09:40+03:00", "utc": "2018-10-17T09:09:40Z", "ms": 1539767380376.7234 }, "end": { "local": "2018-10-17T12:57:40+03:00", "utc": "2018-10-17T09:57:40Z", "ms": 1539770260376.7234 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:47 on Tue 16 Oct to 10:20 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: 12:10–12:58 on the 16th, 12:10–12:58 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 6574 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Ankara, 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": "2018-10-16", "confidence": "determinate" } ], "quote": "In Ankara, Mahāṣṭamī (Durga Ashtami) 2018 falls on Tuesday 16 October. Aṣṭamī runs from 07:47 on Tue 16 Oct to 10:20 on Wed 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-17", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 97, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-10-17T10:20:06+03:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "end": { "local": "2018-10-18T12:59:05+03:00", "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": "2018-10-17T10:20:06+03:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "end": { "local": "2018-10-18T12:59:05+03:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-17", "window": { "start": { "local": "2018-10-17T12:09:40+03:00", "utc": "2018-10-17T09:09:40Z", "ms": 1539767380376.7234 }, "end": { "local": "2018-10-17T12:57:40+03:00", "utc": "2018-10-17T09:57:40Z", "ms": 1539770260376.7234 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-18", "window": { "start": { "local": "2018-10-18T12:09:29+03:00", "utc": "2018-10-18T09:09:29Z", "ms": 1539853768571.543 }, "end": { "local": "2018-10-18T12:57:29+03:00", "utc": "2018-10-18T09:57:29Z", "ms": 1539856648571.543 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:20 on Wed 17 Oct to 12:59 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: 12:10–12:58 on the 17th, 12:09–12:57 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 97 s < 300 s" }, { "step": "ruling", "text": "Mahānavamī, Ankara, 2018: Wednesday 17 October.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-17", "confidence": "determinate" } ], "quote": "In Ankara, Mahānavamī 2018 falls on Wednesday 17 October. Navamī runs from 10:20 on Wed 17 Oct to 12:59 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. It is 1 min 37 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14333, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2018-10-18T12:59:05+03:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "end": { "local": "2018-10-19T15:27:23+03:00", "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": "2018-10-18T12:59:05+03:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "end": { "local": "2018-10-18T22:03:44+03:00", "utc": "2018-10-18T19:03:44Z", "ms": 1539889424220.0352 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2018-10-17T18:58:15+03:00", "utc": "2018-10-17T15:58:15Z", "ms": 1539791895275.3225 }, "end": { "local": "2018-10-18T22:03:44+03:00", "utc": "2018-10-18T19:03:44Z", "ms": 1539889424220.0352 } } }, "kaala": "daytime", "days": [ { "local_date": "2018-10-18", "window": { "start": { "local": "2018-10-18T07:02:06+03:00", "utc": "2018-10-18T04:02:06Z", "ms": 1539835326268.541 }, "end": { "local": "2018-10-18T18:04:51+03:00", "utc": "2018-10-18T15:04:51Z", "ms": 1539875090874.545 } }, "covered_min": 306, "window_min": 663, "qualifies": true }, { "local_date": "2018-10-19", "window": { "start": { "local": "2018-10-19T07:03:10+03:00", "utc": "2018-10-19T04:03:10Z", "ms": 1539921790106.66 }, "end": { "local": "2018-10-19T18:03:25+03:00", "utc": "2018-10-19T15:03:25Z", "ms": 1539961404624.9155 } }, "covered_min": 0, "window_min": 660, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 12:59 on Thu 18 Oct to 15:27 on Fri 19 Oct, and Śravaṇa from 18:58 on Wed 17 Oct to 22:04 on Thu 18 Oct. They are together from 12:59 on Thu 18 Oct to 22:04 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: 07:02–18:05 on the 18th, 07:03–18:03 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 306 of 663 minutes on the 18th and 0 of 660 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 14333 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Ankara, 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 Ankara, Vijayā Daśamī (Dussehra) 2018 falls on Thursday 18 October. Daśamī runs from 12:59 on Thu 18 Oct to 15:27 on Fri 19 Oct and is with Śravaṇa in the day time that day, for 306 minutes.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-10-20", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30253, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-10-19T15:27:23+03:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "end": { "local": "2018-10-20T17:31:14+03:00", "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": "2018-10-19T15:27:23+03:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "end": { "local": "2018-10-20T17:31:14+03:00", "utc": "2018-10-20T14:31:14Z", "ms": 1540045874488.9607 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-10-19", "window": { "start": { "local": "2018-10-19T07:03:10+03:00", "utc": "2018-10-19T04:03:10Z", "ms": 1539921790106.66 }, "end": { "local": "2018-10-19T07:03:10+03:00", "utc": "2018-10-19T04:03:10Z", "ms": 1539921790106.66 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-20", "window": { "start": { "local": "2018-10-20T07:04:14+03:00", "utc": "2018-10-20T04:04:14Z", "ms": 1540008254256.862 }, "end": { "local": "2018-10-20T07:04:14+03:00", "utc": "2018-10-20T04:04:14Z", "ms": 1540008254256.862 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:27 on Fri 19 Oct to 17:31 on Sat 20 Oct.", "fact": "2018-10-19T12:27:23Z → 2018-10-20T14:31:14Z" }, { "step": "kaala", "text": "Sunrise is at 07:03 on the 19th and 07:04 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 30253 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Ankara, 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 Ankara, Pāśāṅkuśā Ekādaśī 2018 falls on Saturday 20 October. Ekādaśī runs from 15:27 on Fri 19 Oct to 17:31 on Sat 20 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-10-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-22", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 526, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-10-21T19:01:17+03:00", "utc": "2018-10-21T16:01:17Z", "ms": 1540137676959.2722 }, "end": { "local": "2018-10-22T19:53:04+03:00", "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": "2018-10-21T19:01:17+03:00", "utc": "2018-10-21T16:01:17Z", "ms": 1540137676959.2722 }, "end": { "local": "2018-10-22T19:53:04+03:00", "utc": "2018-10-22T16:53:04Z", "ms": 1540227184150.2834 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-21", "window": { "start": { "local": "2018-10-21T18:00:35+03:00", "utc": "2018-10-21T15:00:35Z", "ms": 1540134034927.9539 }, "end": { "local": "2018-10-21T19:45:21+03:00", "utc": "2018-10-21T16:45:21Z", "ms": 1540140321403.49 } }, "covered_min": 44, "window_min": 105, "qualifies": true }, { "local_date": "2018-10-22", "window": { "start": { "local": "2018-10-22T17:59:12+03:00", "utc": "2018-10-22T14:59:12Z", "ms": 1540220351551.9714 }, "end": { "local": "2018-10-22T19:44:18+03:00", "utc": "2018-10-22T16:44:18Z", "ms": 1540226657822.6318 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:01 on Sun 21 Oct to 19:53 on Mon 22 Oct.", "fact": "2018-10-21T16:01:17Z → 2018-10-22T16:53:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:45 on the 21st, 17:59–19:44 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 44 of 105 minutes on the 21st and 105 of 105 on the 22nd.", "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 526 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 2018: Monday 22 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-22", "confidence": "boundary" } ], "quote": "In Ankara, Śukla Pradoṣa Vrata 2018 falls on Monday 22 October. Trayodaśī runs from 19:01 on Sun 21 Oct to 19:53 on Mon 22 Oct and covers all of pradoṣa that evening. It also reaches the previous evening for 44 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/ankara/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": "/ankara/festivals/2018/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14363, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-27T16:08:13+03:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T14:24:48+03:00", "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": "2018-10-27T16:08:13+03:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T14:24:48+03:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-27", "window": { "start": { "local": "2018-10-27T20:07:36+03:00", "utc": "2018-10-27T17:07:36Z", "ms": 1540660056221.2273 }, "end": { "local": "2018-10-27T20:07:36+03:00", "utc": "2018-10-27T17:07:36Z", "ms": 1540660056221.2273 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-10-28", "window": { "start": { "local": "2018-10-28T20:56:12+03:00", "utc": "2018-10-28T17:56:12Z", "ms": 1540749372030.0903 }, "end": { "local": "2018-10-28T20:56:12+03:00", "utc": "2018-10-28T17:56:12Z", "ms": 1540749372030.0903 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:08 on Sat 27 Oct to 14:25 on Sun 28 Oct.", "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z" }, { "step": "kaala", "text": "Moonrise is at 20:08 on the 27th and 20:56 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 14363 s" }, { "step": "ruling", "text": "Karaka Caturthī, Ankara, 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 Ankara, Karaka Caturthī (Karwa Chauth) 2018 falls on Saturday 27 October. Caturthī runs from 16:08 on Sat 27 Oct to 14:25 on Sun 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-10-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14363, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-27T16:08:13+03:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T14:24:48+03:00", "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": "2018-10-27T16:08:13+03:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T14:24:48+03:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-27", "window": { "start": { "local": "2018-10-27T20:07:36+03:00", "utc": "2018-10-27T17:07:36Z", "ms": 1540660056221.2273 }, "end": { "local": "2018-10-27T20:07:36+03:00", "utc": "2018-10-27T17:07:36Z", "ms": 1540660056221.2273 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-10-28", "window": { "start": { "local": "2018-10-28T20:56:12+03:00", "utc": "2018-10-28T17:56:12Z", "ms": 1540749372030.0903 }, "end": { "local": "2018-10-28T20:56:12+03:00", "utc": "2018-10-28T17:56:12Z", "ms": 1540749372030.0903 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:08 on Sat 27 Oct to 14:25 on Sun 28 Oct.", "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z" }, { "step": "kaala", "text": "Moonrise is at 20:08 on the 27th and 20:56 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 14363 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Saturday 27 October. Caturthī runs from 16:08 on Sat 27 Oct to 14:25 on Sun 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24017, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-31T08:40:05+03:00", "utc": "2018-10-31T05:40:05Z", "ms": 1540964404659.8496 }, "end": { "local": "2018-11-01T06:40:17+03:00", "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": "2018-10-31T08:40:05+03:00", "utc": "2018-10-31T05:40:05Z", "ms": 1540964404659.8496 }, "end": { "local": "2018-11-01T06:40:17+03:00", "utc": "2018-11-01T03:40:17Z", "ms": 1541043616981.3337 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-30", "window": { "start": { "local": "2018-10-30T22:53:37+03:00", "utc": "2018-10-30T19:53:37Z", "ms": 1540929216648.1997 }, "end": { "local": "2018-10-30T22:53:37+03:00", "utc": "2018-10-30T19:53:37Z", "ms": 1540929216648.1997 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-31", "window": { "start": { "local": "2018-11-01T00:00:00+03:00", "utc": "2018-10-31T21:00:00Z", "ms": 1541019600432.9875 }, "end": { "local": "2018-11-01T00:00:00+03:00", "utc": "2018-10-31T21:00:00Z", "ms": 1541019600432.9875 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:40 on Wed 31 Oct to 06:40 on Thu 1 Nov.", "fact": "2018-10-31T05:40:05Z → 2018-11-01T03:40:17Z" }, { "step": "kaala", "text": "Moonrise is at 22:54 on the 30th and 00:00 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 24017 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Ankara, 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 Ankara, Ahoyī Aṣṭamī 2018 falls on Wednesday 31 October. Aṣṭamī runs from 08:40 on Wed 31 Oct to 06:40 on Thu 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-11-03", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16760, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-11-03T02:40:24+03:00", "utc": "2018-11-02T23:40:24Z", "ms": 1541202024040.4907 }, "end": { "local": "2018-11-04T00:44:07+03:00", "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": "2018-11-03T02:40:24+03:00", "utc": "2018-11-02T23:40:24Z", "ms": 1541202024040.4907 }, "end": { "local": "2018-11-04T00:44:07+03:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-11-03", "window": { "start": { "local": "2018-11-03T07:19:44+03:00", "utc": "2018-11-03T04:19:44Z", "ms": 1541218784359.6482 }, "end": { "local": "2018-11-03T07:19:44+03:00", "utc": "2018-11-03T04:19:44Z", "ms": 1541218784359.6482 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T07:20:53+03:00", "utc": "2018-11-04T04:20:53Z", "ms": 1541305252815.0415 }, "end": { "local": "2018-11-04T07:20:53+03:00", "utc": "2018-11-04T04:20:53Z", "ms": 1541305252815.0415 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:40 on Sat 3 Nov to 00:44 on Sun 4 Nov.", "fact": "2018-11-02T23:40:24Z → 2018-11-03T21:44:07Z" }, { "step": "kaala", "text": "Sunrise is at 07:20 on the 3rd and 07:21 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 16760 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Ankara, 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 Ankara, Ramā Ekādaśī 2018 falls on Saturday 3 November. Ekādaśī runs from 02:40 on Sat 3 Nov to 00:44 on Sun 4 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12154, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-11-04T00:44:07+03:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "end": { "local": "2018-11-04T22:54:41+03:00", "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": "2018-11-04T00:44:07+03:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "end": { "local": "2018-11-04T22:54:41+03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-03", "window": { "start": { "local": "2018-11-03T17:44:02+03:00", "utc": "2018-11-03T14:44:02Z", "ms": 1541256241951.441 }, "end": { "local": "2018-11-03T19:32:57+03:00", "utc": "2018-11-03T16:32:57Z", "ms": 1541262776733.2544 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T17:42:55+03:00", "utc": "2018-11-04T14:42:55Z", "ms": 1541342574837.5034 }, "end": { "local": "2018-11-04T19:32:08+03:00", "utc": "2018-11-04T16:32:08Z", "ms": 1541349127719.8726 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:44 on Sun 4 Nov to 22:55 on Sun 4 Nov.", "fact": "2018-11-03T21:44:07Z → 2018-11-04T19:54:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:33 on the 3rd, 17:43–19:32 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 109 minutes on the 3rd and 109 of 109 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 12154 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Ankara, 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 Ankara, Govatsa Dvādaśī (Vasu Baras) 2018 falls on Sunday 4 November. Dvādaśī runs from 00:44 on Sun 4 Nov to 22:55 on Sun 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6344, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-04T22:54:41+03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T21:17:04+03:00", "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": "2018-11-04T22:54:41+03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T21:17:04+03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T17:42:55+03:00", "utc": "2018-11-04T14:42:55Z", "ms": 1541342574837.5034 }, "end": { "local": "2018-11-04T19:32:08+03:00", "utc": "2018-11-04T16:32:08Z", "ms": 1541349127719.8726 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T17:41:49+03:00", "utc": "2018-11-05T14:41:49Z", "ms": 1541428909221.9878 }, "end": { "local": "2018-11-05T19:31:20+03:00", "utc": "2018-11-05T16:31:20Z", "ms": 1541435480026.322 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:55 on Sun 4 Nov to 21:17 on Mon 5 Nov.", "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:32 on the 4th, 17:42–19:31 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 109 minutes on the 4th and 110 of 110 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 6344 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Ankara, 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 Ankara, Yama Dīpadāna 2018 falls on Monday 5 November. Trayodaśī runs from 22:55 on Sun 4 Nov to 21:17 on Mon 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-11-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6344, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-04T22:54:41+03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T21:17:04+03:00", "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": "2018-11-04T22:54:41+03:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T21:17:04+03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T17:42:55+03:00", "utc": "2018-11-04T14:42:55Z", "ms": 1541342574837.5034 }, "end": { "local": "2018-11-04T19:32:08+03:00", "utc": "2018-11-04T16:32:08Z", "ms": 1541349127719.8726 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T17:41:49+03:00", "utc": "2018-11-05T14:41:49Z", "ms": 1541428909221.9878 }, "end": { "local": "2018-11-05T19:31:20+03:00", "utc": "2018-11-05T16:31:20Z", "ms": 1541435480026.322 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:55 on Sun 4 Nov to 21:17 on Mon 5 Nov.", "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:32 on the 4th, 17:42–19:31 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 109 minutes on the 4th and 110 of 110 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 6344 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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 Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 5 November. Trayodaśī runs from 22:55 on Sun 4 Nov to 21:17 on Mon 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-11-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10286, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-11-05T21:17:04+03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T19:57:18+03:00", "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": "2018-11-05T21:17:04+03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T19:57:18+03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-06T00:08:30+03:00", "utc": "2018-11-05T21:08:30Z", "ms": 1541452109738.2412 }, "end": { "local": "2018-11-06T00:56:30+03:00", "utc": "2018-11-05T21:56:30Z", "ms": 1541454989738.2412 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-07T00:08:32+03:00", "utc": "2018-11-06T21:08:32Z", "ms": 1541538512159.7683 }, "end": { "local": "2018-11-07T00:56:32+03:00", "utc": "2018-11-06T21:56:32Z", "ms": 1541541392159.7683 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:17 on Mon 5 Nov to 19:57 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: 00:08–00:56 on the 5th, 00:09–00:57 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 10286 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 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 Ankara, Śivarātri 2018 falls on Monday 5 November. Caturdaśī runs from 21:17 on Mon 5 Nov to 19:57 on Tue 6 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29795, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-11-05T21:17:04+03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T19:57:18+03:00", "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": "2018-11-05T21:17:04+03:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T19:57:18+03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T05:33:39+03:00", "utc": "2018-11-06T02:33:39Z", "ms": 1541471619450.1604 }, "end": { "local": "2018-11-06T07:23:10+03:00", "utc": "2018-11-06T04:23:10Z", "ms": 1541478190254.4946 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T05:34:31+03:00", "utc": "2018-11-07T02:34:31Z", "ms": 1541558070643.659 }, "end": { "local": "2018-11-07T07:24:19+03:00", "utc": "2018-11-07T04:24:19Z", "ms": 1541564659183.2556 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:17 on Mon 5 Nov to 19:57 on Tue 6 Nov.", "fact": "2018-11-05T18:17:04Z → 2018-11-06T16:57:18Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:34–07:23 on the 6th, 05:35–07:24 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 110 of 110 minutes on the 6th and 0 of 110 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 29795 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Ankara, 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 Ankara, Naraka Caturdaśī (Choti Diwali) 2018 falls on Tuesday 6 November. Caturdaśī runs from 21:17 on Mon 5 Nov to 19:57 on Tue 6 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15075, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-11-06T19:57:18+03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T19:02:02+03:00", "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": "2018-11-06T19:57:18+03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T19:02:02+03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-07T00:08:32+03:00", "utc": "2018-11-06T21:08:32Z", "ms": 1541538512159.7683 }, "end": { "local": "2018-11-07T00:56:32+03:00", "utc": "2018-11-06T21:56:32Z", "ms": 1541541392159.7683 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-08T00:08:35+03:00", "utc": "2018-11-07T21:08:35Z", "ms": 1541624915412.289 }, "end": { "local": "2018-11-08T00:56:35+03:00", "utc": "2018-11-07T21:56:35Z", "ms": 1541627795412.289 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 19:57 on Tue 6 Nov to 19:02 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: 00:09–00:57 on the 6th, 00:09–00:57 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 15075 s" }, { "step": "ruling", "text": "Kālī Pūjā, Ankara, 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 Ankara, Kālī Pūjā 2018 falls on Tuesday 6 November. Amāvasyā runs from 19:57 on Tue 6 Nov to 19:02 on Wed 7 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1604, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-11-06T19:57:18+03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T19:02:02+03:00", "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": "2018-11-06T19:57:18+03:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T19:02:02+03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T17:40:45+03:00", "utc": "2018-11-06T14:40:45Z", "ms": 1541515245136.281 }, "end": { "local": "2018-11-06T19:30:34+03:00", "utc": "2018-11-06T16:30:34Z", "ms": 1541521833675.8777 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T17:39:43+03:00", "utc": "2018-11-07T14:39:43Z", "ms": 1541601582612.855 }, "end": { "local": "2018-11-07T19:29:49+03:00", "utc": "2018-11-07T16:29:49Z", "ms": 1541608188692.704 } }, "covered_min": 82, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 19:57 on Tue 6 Nov to 19:02 on Wed 7 Nov.", "fact": "2018-11-06T16:57:18Z → 2018-11-07T16:02:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:31 on the 6th, 17:40–19:30 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 110 minutes on the 6th and 82 of 110 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 1604 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Ankara, 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": "boundary" } ], "quote": "In Ankara, Lakṣmī Pūjā (Diwali) 2018 falls on Wednesday 7 November. Amāvasyā runs from 19:57 on Tue 6 Nov to 19:02 on Wed 7 Nov and covers 82 of 110 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20508, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T19:02:02+03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T18:37:53+03:00", "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": "2018-11-07T19:02:02+03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T18:37:53+03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T12:08:01+03:00", "utc": "2018-11-07T09:08:01Z", "ms": 1541581680898.0552 }, "end": { "local": "2018-11-07T12:56:01+03:00", "utc": "2018-11-07T09:56:01Z", "ms": 1541584560898.0552 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T12:08:05+03:00", "utc": "2018-11-08T09:08:05Z", "ms": 1541668084947.1343 }, "end": { "local": "2018-11-08T12:56:05+03:00", "utc": "2018-11-08T09:56:05Z", "ms": 1541670964947.1343 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:02 on Wed 7 Nov to 18:38 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: 12:08–12:56 on the 7th, 12:08–12:56 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 20508 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Ankara, 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 Ankara, Govardhana Pūjā 2018 falls on Thursday 8 November. Pratipadā runs from 19:02 on Wed 7 Nov to 18:38 on Thu 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-08", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1666, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T19:02:02+03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T18:37:53+03:00", "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": "2018-11-07T19:02:02+03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T18:37:53+03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T17:39:43+03:00", "utc": "2018-11-07T14:39:43Z", "ms": 1541601582612.855 }, "end": { "local": "2018-11-07T19:29:49+03:00", "utc": "2018-11-07T16:29:49Z", "ms": 1541608188692.704 } }, "covered_min": 28, "window_min": 110, "qualifies": true }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T17:38:42+03:00", "utc": "2018-11-08T14:38:42Z", "ms": 1541687921682.5454 }, "end": { "local": "2018-11-08T19:29:05+03:00", "utc": "2018-11-08T16:29:05Z", "ms": 1541694545099.2664 } }, "covered_min": 59, "window_min": 110, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:02 on Wed 7 Nov to 18:38 on Thu 8 Nov.", "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:30 on the 7th, 17:39–19:29 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 28 of 110 minutes on the 7th and 59 of 110 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "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 1666 s" }, { "step": "ruling", "text": "Bali Pūjā, Ankara, 2018: Thursday 8 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-07", "confidence": "boundary" } ], "quote": "In Ankara, Bali Pūjā 2018 falls on Thursday 8 November. Pratipadā runs from 19:02 on Wed 7 Nov to 18:38 on Thu 8 Nov and covers 59 of 110 minutes of pradoṣa that evening. It also reaches the previous evening for 28 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/ankara/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": "/ankara/festivals/2018/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28081, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T19:02:02+03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T18:37:53+03:00", "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": "2018-11-07T19:02:02+03:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T18:37:53+03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T07:24:19+03:00", "utc": "2018-11-07T04:24:19Z", "ms": 1541564659183.2556 }, "end": { "local": "2018-11-07T10:49:27+03:00", "utc": "2018-11-07T07:49:27Z", "ms": 1541576966993.122 } }, "covered_min": 0, "window_min": 205, "qualifies": false }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T07:25:28+03:00", "utc": "2018-11-08T04:25:28Z", "ms": 1541651128211.7234 }, "end": { "local": "2018-11-08T10:49:53+03:00", "utc": "2018-11-08T07:49:53Z", "ms": 1541663392701.9973 } }, "covered_min": 204, "window_min": 204, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:02 on Wed 7 Nov to 18:38 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: 07:24–10:49 on the 7th, 07:25–10:50 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 205 minutes on the 7th and 204 of 204 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 28081 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Ankara, 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 Ankara, Dyūta Pratipad 2018 falls on Thursday 8 November. Pratipadā runs from 19:02 on Wed 7 Nov to 18:38 on Thu 8 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20508, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-11-08T18:37:53+03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "end": { "local": "2018-11-09T18:50:21+03:00", "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": "2018-11-08T18:37:53+03:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "end": { "local": "2018-11-09T18:50:21+03:00", "utc": "2018-11-09T15:50:21Z", "ms": 1541778620665.9846 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T12:08:05+03:00", "utc": "2018-11-08T09:08:05Z", "ms": 1541668084947.1343 }, "end": { "local": "2018-11-08T12:56:05+03:00", "utc": "2018-11-08T09:56:05Z", "ms": 1541670964947.1343 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-09", "window": { "start": { "local": "2018-11-09T12:08:10+03:00", "utc": "2018-11-09T09:08:10Z", "ms": 1541754489842.37 }, "end": { "local": "2018-11-09T12:56:10+03:00", "utc": "2018-11-09T09:56:10Z", "ms": 1541757369842.37 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:38 on Thu 8 Nov to 18:50 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: 12:08–12:56 on the 8th, 12:08–12:56 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 20508 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Ankara, 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 Ankara, Yama Dvitīyā (Bhai Dooj) 2018 falls on Friday 9 November. Dvitīyā runs from 18:38 on Thu 8 Nov to 18:50 on Fri 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24384, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-10T19:42:39+03:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T21:14:32+03:00", "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": "2018-11-10T19:42:39+03:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T21:14:32+03:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-10", "window": { "start": { "local": "2018-11-10T12:08:16+03:00", "utc": "2018-11-10T09:08:16Z", "ms": 1541840895582.9468 }, "end": { "local": "2018-11-10T12:56:16+03:00", "utc": "2018-11-10T09:56:16Z", "ms": 1541843775582.9468 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-11", "window": { "start": { "local": "2018-11-11T12:08:22+03:00", "utc": "2018-11-11T09:08:22Z", "ms": 1541927302167.6118 }, "end": { "local": "2018-11-11T12:56:22+03:00", "utc": "2018-11-11T09:56:22Z", "ms": 1541930182167.6118 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:43 on Sat 10 Nov to 21:15 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: 12:08–12:56 on the 10th, 12:08–12:56 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24384 s" }, { "step": "ruling", "text": "Nāga Caturthī, Ankara, 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 Ankara, Nāga Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 19:43 on Sat 10 Nov to 21:15 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-11-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24384, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-10T19:42:39+03:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T21:14:32+03:00", "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": "2018-11-10T19:42:39+03:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T21:14:32+03:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-10", "window": { "start": { "local": "2018-11-10T12:08:16+03:00", "utc": "2018-11-10T09:08:16Z", "ms": 1541840895582.9468 }, "end": { "local": "2018-11-10T12:56:16+03:00", "utc": "2018-11-10T09:56:16Z", "ms": 1541843775582.9468 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-11", "window": { "start": { "local": "2018-11-11T12:08:22+03:00", "utc": "2018-11-11T09:08:22Z", "ms": 1541927302167.6118 }, "end": { "local": "2018-11-11T12:56:22+03:00", "utc": "2018-11-11T09:56:22Z", "ms": 1541930182167.6118 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:43 on Sat 10 Nov to 21:15 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: 12:08–12:56 on the 10th, 12:08–12:56 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24384 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 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 Ankara, Vināyaka Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 19:43 on Sat 10 Nov to 21:15 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36981, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-11-12T23:21:05+03:00", "utc": "2018-11-12T20:21:05Z", "ms": 1542054065411.938 }, "end": { "local": "2018-11-14T01:52:26+03:00", "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": "2018-11-12T23:21:05+03:00", "utc": "2018-11-12T20:21:05Z", "ms": 1542054065411.938 }, "end": { "local": "2018-11-14T01:52:26+03:00", "utc": "2018-11-13T22:52:26Z", "ms": 1542149545594.3523 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-13", "window": { "start": { "local": "2018-11-13T12:08:38+03:00", "utc": "2018-11-13T09:08:38Z", "ms": 1542100117862.2412 }, "end": { "local": "2018-11-13T12:56:38+03:00", "utc": "2018-11-13T09:56:38Z", "ms": 1542102997862.2412 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-14", "window": { "start": { "local": "2018-11-14T12:08:47+03:00", "utc": "2018-11-14T09:08:47Z", "ms": 1542186526967.6777 }, "end": { "local": "2018-11-14T12:56:47+03:00", "utc": "2018-11-14T09:56:47Z", "ms": 1542189406967.6777 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:21 on Mon 12 Nov to 01:52 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: 12:09–12:57 on the 13th, 12:09–12:57 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 36981 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Ankara, 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 Ankara, Sūrya Ṣaṣṭhī (Chhath) 2018 falls on Tuesday 13 November. Ṣaṣṭhī runs from 23:21 on Mon 12 Nov to 01:52 on Wed 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17922, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-11-15T04:34:22+03:00", "utc": "2018-11-15T01:34:22Z", "ms": 1542245662199.8982 }, "end": { "local": "2018-11-16T07:10:26+03:00", "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": "2018-11-15T04:34:22+03:00", "utc": "2018-11-15T01:34:22Z", "ms": 1542245662199.8982 }, "end": { "local": "2018-11-16T07:10:26+03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-15", "window": { "start": { "local": "2018-11-15T12:08:57+03:00", "utc": "2018-11-15T09:08:57Z", "ms": 1542272936908.0498 }, "end": { "local": "2018-11-15T12:56:57+03:00", "utc": "2018-11-15T09:56:57Z", "ms": 1542275816908.0498 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T12:09:08+03:00", "utc": "2018-11-16T09:09:08Z", "ms": 1542359347679.8384 }, "end": { "local": "2018-11-16T12:57:08+03:00", "utc": "2018-11-16T09:57:08Z", "ms": 1542362227679.8384 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:34 on Thu 15 Nov to 07:10 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: 12:09–12:57 on the 15th, 12:09–12:57 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 17922 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Ankara, 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 Ankara, Gopāṣṭamī 2018 falls on Thursday 15 November. Aṣṭamī runs from 04:34 on Thu 15 Nov to 07:10 on Fri 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-16", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1454, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-11-16T07:10:26+03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T09:24:34+03:00", "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": "2018-11-16T07:10:26+03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T09:24:34+03:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T07:34:40+03:00", "utc": "2018-11-16T04:34:40Z", "ms": 1542342879957.1855 }, "end": { "local": "2018-11-16T10:53:38+03:00", "utc": "2018-11-16T07:53:38Z", "ms": 1542354818438.954 } }, "covered_min": 199, "window_min": 199, "qualifies": true }, { "local_date": "2018-11-17", "window": { "start": { "local": "2018-11-17T07:35:48+03:00", "utc": "2018-11-17T04:35:48Z", "ms": 1542429348316.672 }, "end": { "local": "2018-11-17T10:54:09+03:00", "utc": "2018-11-17T07:54:09Z", "ms": 1542441248958.2095 } }, "covered_min": 109, "window_min": 198, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:10 on Fri 16 Nov to 09:25 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: 07:35–10:54 on the 16th, 07:36–10:54 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 199 of 199 minutes on the 16th and 109 of 198 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 1454 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Ankara, 2018: Friday 16 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": "2018-11-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-16", "confidence": "boundary" } ], "quote": "In Ankara, Akṣaya Navamī (Amla Navami) 2018 falls on Friday 16 November. Navamī runs from 07:10 on Fri 16 Nov to 09:25 on Sat 17 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 109 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/ankara/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": "/ankara/festivals/2018/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9886, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-11-16T07:10:26+03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T09:24:34+03:00", "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": "2018-11-16T07:10:26+03:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T09:24:34+03:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T12:09:08+03:00", "utc": "2018-11-16T09:09:08Z", "ms": 1542359347679.8384 }, "end": { "local": "2018-11-16T12:57:08+03:00", "utc": "2018-11-16T09:57:08Z", "ms": 1542362227679.8384 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-17", "window": { "start": { "local": "2018-11-17T12:09:19+03:00", "utc": "2018-11-17T09:09:19Z", "ms": 1542445759278.9783 }, "end": { "local": "2018-11-17T12:57:19+03:00", "utc": "2018-11-17T09:57:19Z", "ms": 1542448639278.9783 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:10 on Fri 16 Nov to 09:25 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: 12:09–12:57 on the 16th, 12:09–12:57 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 9886 s" }, { "step": "ruling", "text": "Durgā Navamī, Ankara, 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 Ankara, Durgā Navamī 2018 falls on Friday 16 November. Navamī runs from 07:10 on Fri 16 Nov to 09:25 on Sat 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-11-19", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12413, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-11-18T11:03:49+03:00", "utc": "2018-11-18T08:03:49Z", "ms": 1542528229488.8474 }, "end": { "local": "2018-11-19T12:00:06+03:00", "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": "2018-11-18T11:03:49+03:00", "utc": "2018-11-18T08:03:49Z", "ms": 1542528229488.8474 }, "end": { "local": "2018-11-19T12:00:06+03:00", "utc": "2018-11-19T09:00:06Z", "ms": 1542618005748.5667 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-11-18", "window": { "start": { "local": "2018-11-18T07:36:56+03:00", "utc": "2018-11-18T04:36:56Z", "ms": 1542515816411.5874 }, "end": { "local": "2018-11-18T07:36:56+03:00", "utc": "2018-11-18T04:36:56Z", "ms": 1542515816411.5874 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-11-19", "window": { "start": { "local": "2018-11-19T07:38:04+03:00", "utc": "2018-11-19T04:38:04Z", "ms": 1542602284201.314 }, "end": { "local": "2018-11-19T07:38:04+03:00", "utc": "2018-11-19T04:38:04Z", "ms": 1542602284201.314 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:04 on Sun 18 Nov to 12:00 on Mon 19 Nov.", "fact": "2018-11-18T08:03:49Z → 2018-11-19T09:00:06Z" }, { "step": "kaala", "text": "Sunrise is at 07:37 on the 18th and 07:38 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 12413 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Ankara, 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 Ankara, Prabodhinī Ekādaśī 2018 falls on Monday 19 November. Ekādaśī runs from 11:04 on Sun 18 Nov to 12:00 on Mon 19 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-11-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19097, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-20T12:10:29+03:00", "utc": "2018-11-20T09:10:29Z", "ms": 1542705028876.2368 }, "end": { "local": "2018-11-21T11:36:41+03:00", "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": "2018-11-20T12:10:29+03:00", "utc": "2018-11-20T09:10:29Z", "ms": 1542705028876.2368 }, "end": { "local": "2018-11-21T11:36:41+03:00", "utc": "2018-11-21T08:36:41Z", "ms": 1542789401396.5771 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-20", "window": { "start": { "local": "2018-11-20T17:28:46+03:00", "utc": "2018-11-20T14:28:46Z", "ms": 1542724126339.7097 }, "end": { "local": "2018-11-20T19:22:19+03:00", "utc": "2018-11-20T16:22:19Z", "ms": 1542730938654.573 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "2018-11-21", "window": { "start": { "local": "2018-11-21T17:28:09+03:00", "utc": "2018-11-21T14:28:09Z", "ms": 1542810488999.8372 }, "end": { "local": "2018-11-21T19:21:55+03:00", "utc": "2018-11-21T16:21:55Z", "ms": 1542817315177.0547 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:10 on Tue 20 Nov to 11:37 on Wed 21 Nov.", "fact": "2018-11-20T09:10:29Z → 2018-11-21T08:36:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:29–19:22 on the 20th, 17:28–19:22 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 114 of 114 minutes on the 20th and 0 of 114 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 19097 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 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 Ankara, Śukla Pradoṣa Vrata 2018 falls on Tuesday 20 November. Trayodaśī runs from 12:10 on Tue 20 Nov to 11:37 on Wed 21 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6399, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-11-22T10:23:51+03:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T08:39:12+03:00", "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": "2018-11-22T10:23:51+03:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T08:39:12+03:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-22", "window": { "start": { "local": "2018-11-22T12:10:30+03:00", "utc": "2018-11-22T09:10:30Z", "ms": 1542877829508.9197 }, "end": { "local": "2018-11-22T12:58:30+03:00", "utc": "2018-11-22T09:58:30Z", "ms": 1542880709508.9197 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-23", "window": { "start": { "local": "2018-11-23T12:10:46+03:00", "utc": "2018-11-23T09:10:46Z", "ms": 1542964245960.9036 }, "end": { "local": "2018-11-23T12:58:46+03:00", "utc": "2018-11-23T09:58:46Z", "ms": 1542967125960.9036 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:24 on Thu 22 Nov to 08:39 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: 12:10–12:58 on the 22nd, 12:11–12:59 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "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 6399 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Ankara, 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 Ankara, Kārtikī Pūrṇimā 2018 falls on Thursday 22 November. Pūrṇimā runs from 10:24 on Thu 22 Nov to 08:39 on Fri 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27609, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-11-22T10:23:51+03:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T08:39:12+03:00", "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": "2018-11-22T10:23:51+03:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T08:39:12+03:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-21", "window": { "start": { "local": "2018-11-22T00:10:47+03:00", "utc": "2018-11-21T21:10:47Z", "ms": 1542834647164.4028 }, "end": { "local": "2018-11-22T00:58:47+03:00", "utc": "2018-11-21T21:58:47Z", "ms": 1542837527164.4028 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-22", "window": { "start": { "local": "2018-11-23T00:11:03+03:00", "utc": "2018-11-22T21:11:03Z", "ms": 1542921062587.866 }, "end": { "local": "2018-11-23T00:59:03+03:00", "utc": "2018-11-22T21:59:03Z", "ms": 1542923942587.866 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:24 on Thu 22 Nov to 08:39 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: 00:11–00:59 on the 21st, 00:11–00:59 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 27609 s" }, { "step": "ruling", "text": "Rāsayātrā, Ankara, 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 Ankara, Rāsayātrā 2018 falls on Thursday 22 November. Pūrṇimā runs from 10:24 on Thu 22 Nov to 08:39 on Fri 23 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-11-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8462, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-26T01:36:42+03:00", "utc": "2018-11-25T22:36:42Z", "ms": 1543185401828.9277 }, "end": { "local": "2018-11-26T23:05:14+03:00", "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": "2018-11-26T01:36:42+03:00", "utc": "2018-11-25T22:36:42Z", "ms": 1543185401828.9277 }, "end": { "local": "2018-11-26T23:05:14+03:00", "utc": "2018-11-26T20:05:14Z", "ms": 1543262714438.5405 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-11-25", "window": { "start": { "local": "2018-11-25T19:42:39+03:00", "utc": "2018-11-25T16:42:39Z", "ms": 1543164158688.2979 }, "end": { "local": "2018-11-25T19:42:39+03:00", "utc": "2018-11-25T16:42:39Z", "ms": 1543164158688.2979 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-11-26", "window": { "start": { "local": "2018-11-26T20:44:12+03:00", "utc": "2018-11-26T17:44:12Z", "ms": 1543254252024.715 }, "end": { "local": "2018-11-26T20:44:12+03:00", "utc": "2018-11-26T17:44:12Z", "ms": 1543254252024.715 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:37 on Mon 26 Nov to 23:05 on Mon 26 Nov.", "fact": "2018-11-25T22:36:42Z → 2018-11-26T20:05:14Z" }, { "step": "kaala", "text": "Moonrise is at 19:43 on the 25th and 20:44 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 8462 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Monday 26 November. Caturthī runs from 01:37 on Mon 26 Nov to 23:05 on Mon 26 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-12-03", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9433, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-12-02T11:30:43+03:00", "utc": "2018-12-02T08:30:43Z", "ms": 1543739442973.6228 }, "end": { "local": "2018-12-03T10:30:10+03:00", "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": "2018-12-02T11:30:43+03:00", "utc": "2018-12-02T08:30:43Z", "ms": 1543739442973.6228 }, "end": { "local": "2018-12-03T10:30:10+03:00", "utc": "2018-12-03T07:30:10Z", "ms": 1543822209960.212 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-12-02", "window": { "start": { "local": "2018-12-02T07:51:58+03:00", "utc": "2018-12-02T04:51:58Z", "ms": 1543726318392.8398 }, "end": { "local": "2018-12-02T07:51:58+03:00", "utc": "2018-12-02T04:51:58Z", "ms": 1543726318392.8398 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-12-03", "window": { "start": { "local": "2018-12-03T07:52:57+03:00", "utc": "2018-12-03T04:52:57Z", "ms": 1543812777298.696 }, "end": { "local": "2018-12-03T07:52:57+03:00", "utc": "2018-12-03T04:52:57Z", "ms": 1543812777298.696 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:31 on Sun 2 Dec to 10:30 on Mon 3 Dec.", "fact": "2018-12-02T08:30:43Z → 2018-12-03T07:30:10Z" }, { "step": "kaala", "text": "Sunrise is at 07:52 on the 2nd and 07:53 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 9433 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Ankara, 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 Ankara, Utpannā Ekādaśī 2018 falls on Monday 3 December. Ekādaśī runs from 11:31 on Sun 2 Dec to 10:30 on Mon 3 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-12-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27197, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-12-04T09:50:01+03:00", "utc": "2018-12-04T06:50:01Z", "ms": 1543906200540.239 }, "end": { "local": "2018-12-05T09:32:57+03:00", "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": "2018-12-04T09:50:01+03:00", "utc": "2018-12-04T06:50:01Z", "ms": 1543906200540.239 }, "end": { "local": "2018-12-05T09:32:57+03:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-04", "window": { "start": { "local": "2018-12-04T17:23:17+03:00", "utc": "2018-12-04T14:23:17Z", "ms": 1543933397185.203 }, "end": { "local": "2018-12-04T19:19:30+03:00", "utc": "2018-12-04T16:19:30Z", "ms": 1543940369826.7466 } }, "covered_min": 116, "window_min": 116, "qualifies": true }, { "local_date": "2018-12-05", "window": { "start": { "local": "2018-12-05T17:23:10+03:00", "utc": "2018-12-05T14:23:10Z", "ms": 1544019790275.197 }, "end": { "local": "2018-12-05T19:19:31+03:00", "utc": "2018-12-05T16:19:31Z", "ms": 1544026771261.3438 } }, "covered_min": 0, "window_min": 116, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:50 on Tue 4 Dec to 09:33 on Wed 5 Dec.", "fact": "2018-12-04T06:50:01Z → 2018-12-05T06:32:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–19:19 on the 4th, 17:23–19:20 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 116 of 116 minutes on the 4th and 0 of 116 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 27197 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ankara, 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 Ankara, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 4 December. Trayodaśī runs from 09:50 on Tue 4 Dec to 09:33 on Wed 5 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/shivaratri?on=2018-12-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30593, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-12-05T09:32:57+03:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "end": { "local": "2018-12-06T09:42:05+03:00", "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": "2018-12-05T09:32:57+03:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "end": { "local": "2018-12-06T09:42:05+03:00", "utc": "2018-12-06T06:42:05Z", "ms": 1544078524947.5583 } }, "kaala": "nishita", "days": [ { "local_date": "2018-12-04", "window": { "start": { "local": "2018-12-05T00:15:05+03:00", "utc": "2018-12-04T21:15:05Z", "ms": 1543958104590.9915 }, "end": { "local": "2018-12-05T01:03:05+03:00", "utc": "2018-12-04T22:03:05Z", "ms": 1543960984590.9915 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-05", "window": { "start": { "local": "2018-12-06T00:15:29+03:00", "utc": "2018-12-05T21:15:29Z", "ms": 1544044528973.247 }, "end": { "local": "2018-12-06T01:03:29+03:00", "utc": "2018-12-05T22:03:29Z", "ms": 1544047408973.247 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:33 on Wed 5 Dec to 09:42 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: 00:15–01:03 on the 4th, 00:15–01:03 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 30593 s" }, { "step": "ruling", "text": "Śivarātri, Ankara, 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 Ankara, Śivarātri 2018 falls on Wednesday 5 December. Caturdaśī runs from 09:33 on Wed 5 Dec to 09:42 on Thu 6 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/vinayaka-chaturthi?on=2018-12-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8096, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-12-10T15:20:09+03:00", "utc": "2018-12-10T12:20:09Z", "ms": 1544444409277.8625 }, "end": { "local": "2018-12-11T17:52:03+03:00", "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": "2018-12-10T15:20:09+03:00", "utc": "2018-12-10T12:20:09Z", "ms": 1544444409277.8625 }, "end": { "local": "2018-12-11T17:52:03+03:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-10", "window": { "start": { "local": "2018-12-10T12:17:14+03:00", "utc": "2018-12-10T09:17:14Z", "ms": 1544433433719.8318 }, "end": { "local": "2018-12-10T13:05:14+03:00", "utc": "2018-12-10T10:05:14Z", "ms": 1544436313719.8318 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-11", "window": { "start": { "local": "2018-12-11T12:17:42+03:00", "utc": "2018-12-11T09:17:42Z", "ms": 1544519861580.7566 }, "end": { "local": "2018-12-11T13:05:42+03:00", "utc": "2018-12-11T10:05:42Z", "ms": 1544522741580.7566 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:20 on Mon 10 Dec to 17:52 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: 12:17–13:05 on the 10th, 12:18–13:06 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 8096 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ankara, 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 Ankara, Vināyaka Caturthī 2018 falls on Tuesday 11 December. Caturthī runs from 15:20 on Mon 10 Dec to 17:52 on Tue 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17182, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-12-11T17:52:03+03:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "end": { "local": "2018-12-12T20:36:10+03:00", "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": "2018-12-11T17:52:03+03:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "end": { "local": "2018-12-12T20:36:10+03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-11", "window": { "start": { "local": "2018-12-11T12:17:42+03:00", "utc": "2018-12-11T09:17:42Z", "ms": 1544519861580.7566 }, "end": { "local": "2018-12-11T13:05:42+03:00", "utc": "2018-12-11T10:05:42Z", "ms": 1544522741580.7566 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T12:18:10+03:00", "utc": "2018-12-12T09:18:10Z", "ms": 1544606289813.4155 }, "end": { "local": "2018-12-12T13:06:10+03:00", "utc": "2018-12-12T10:06:10Z", "ms": 1544609169813.4155 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:52 on Tue 11 Dec to 20:36 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: 12:18–13:06 on the 11th, 12:18–13:06 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 17182 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Ankara, 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 Ankara, Nāga Pañcamī (Mārgaśīrṣa) 2018 falls on Wednesday 12 December. Pañcamī runs from 17:52 on Tue 11 Dec to 20:36 on Wed 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27000, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-12-12T20:36:10+03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T23:19:09+03:00", "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": "2018-12-12T20:36:10+03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T23:19:09+03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T12:18:10+03:00", "utc": "2018-12-12T09:18:10Z", "ms": 1544606289813.4155 }, "end": { "local": "2018-12-12T13:06:10+03:00", "utc": "2018-12-12T10:06:10Z", "ms": 1544609169813.4155 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T12:18:38+03:00", "utc": "2018-12-13T09:18:38Z", "ms": 1544692718384.5674 }, "end": { "local": "2018-12-13T13:06:38+03:00", "utc": "2018-12-13T10:06:38Z", "ms": 1544695598384.5674 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:36 on Wed 12 Dec to 23:19 on Thu 13 Dec.", "fact": "2018-12-12T17:36:10Z → 2018-12-13T20:19:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 12th, 12:19–13:07 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 27000 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Ankara, 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 Ankara, Campā Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 20:36 on Wed 12 Dec to 23:19 on Thu 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27000, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-12-12T20:36:10+03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T23:19:09+03:00", "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": "2018-12-12T20:36:10+03:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T23:19:09+03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T12:18:10+03:00", "utc": "2018-12-12T09:18:10Z", "ms": 1544606289813.4155 }, "end": { "local": "2018-12-12T13:06:10+03:00", "utc": "2018-12-12T10:06:10Z", "ms": 1544609169813.4155 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T12:18:38+03:00", "utc": "2018-12-13T09:18:38Z", "ms": 1544692718384.5674 }, "end": { "local": "2018-12-13T13:06:38+03:00", "utc": "2018-12-13T10:06:38Z", "ms": 1544695598384.5674 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:36 on Wed 12 Dec to 23:19 on Thu 13 Dec.", "fact": "2018-12-12T17:36:10Z → 2018-12-13T20:19:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 12th, 12:19–13:07 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 27000 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Ankara, 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 Ankara, Skanda Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 20:36 on Wed 12 Dec to 23:19 on Thu 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36751, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-12-13T23:19:09+03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "end": { "local": "2018-12-15T01:46:12+03:00", "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": "2018-12-13T23:19:09+03:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "end": { "local": "2018-12-15T01:46:12+03:00", "utc": "2018-12-14T22:46:12Z", "ms": 1544827571560.4277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T12:18:38+03:00", "utc": "2018-12-13T09:18:38Z", "ms": 1544692718384.5674 }, "end": { "local": "2018-12-13T13:06:38+03:00", "utc": "2018-12-13T10:06:38Z", "ms": 1544695598384.5674 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-14", "window": { "start": { "local": "2018-12-14T12:19:07+03:00", "utc": "2018-12-14T09:19:07Z", "ms": 1544779147260.833 }, "end": { "local": "2018-12-14T13:07:07+03:00", "utc": "2018-12-14T10:07:07Z", "ms": 1544782027260.833 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:19 on Thu 13 Dec to 01:46 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: 12:19–13:07 on the 13th, 12:19–13:07 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36751 s" }, { "step": "ruling", "text": "Mitra Saptamī, Ankara, 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 Ankara, Mitra Saptamī 2018 falls on Friday 14 December. Saptamī runs from 23:19 on Thu 13 Dec to 01:46 on Sat 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/ekadashi?on=2018-12-18", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9475, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-12-18T05:27:11+03:00", "utc": "2018-12-18T02:27:11Z", "ms": 1545100031287.2249 }, "end": { "local": "2018-12-19T05:05:25+03:00", "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": "2018-12-18T05:27:11+03:00", "utc": "2018-12-18T02:27:11Z", "ms": 1545100031287.2249 }, "end": { "local": "2018-12-19T05:05:25+03:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-12-18", "window": { "start": { "local": "2018-12-18T08:05:06+03:00", "utc": "2018-12-18T05:05:06Z", "ms": 1545109506295.2417 }, "end": { "local": "2018-12-18T08:05:06+03:00", "utc": "2018-12-18T05:05:06Z", "ms": 1545109506295.2417 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T08:05:42+03:00", "utc": "2018-12-19T05:05:42Z", "ms": 1545195942136.5547 }, "end": { "local": "2018-12-19T08:05:42+03:00", "utc": "2018-12-19T05:05:42Z", "ms": 1545195942136.5547 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:27 on Tue 18 Dec to 05:05 on Wed 19 Dec.", "fact": "2018-12-18T02:27:11Z → 2018-12-19T02:05:25Z" }, { "step": "kaala", "text": "Sunrise is at 08:05 on the 18th and 08:06 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 9475 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Ankara, 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 Ankara, Mokṣadā Ekādaśī 2018 falls on Tuesday 18 December. Ekādaśī runs from 05:27 on Tue 18 Dec to 05:05 on Wed 19 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26170, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-12-19T05:05:25+03:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "end": { "local": "2018-12-20T03:56:08+03:00", "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": "2018-12-19T05:05:25+03:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "end": { "local": "2018-12-20T03:56:08+03:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T12:21:35+03:00", "utc": "2018-12-19T09:21:35Z", "ms": 1545211295051.8223 }, "end": { "local": "2018-12-19T13:09:35+03:00", "utc": "2018-12-19T10:09:35Z", "ms": 1545214175051.8223 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-12-20", "window": { "start": { "local": "2018-12-20T12:22:05+03:00", "utc": "2018-12-20T09:22:05Z", "ms": 1545297725062.2822 }, "end": { "local": "2018-12-20T13:10:05+03:00", "utc": "2018-12-20T10:10:05Z", "ms": 1545300605062.2822 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:05 on Wed 19 Dec to 03:56 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: 12:22–13:10 on the 19th, 12:22–13:10 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 26170 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Ankara, 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 Ankara, Akhaṇḍa Dvādaśī 2018 falls on Wednesday 19 December. Dvādaśī runs from 05:05 on Wed 19 Dec to 03:56 on Thu 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/pradosha-vrata?on=2018-12-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24091, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-12-20T03:56:08+03:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "end": { "local": "2018-12-21T02:04:52+03:00", "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": "2018-12-20T03:56:08+03:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "end": { "local": "2018-12-21T02:04:52+03:00", "utc": "2018-12-20T23:04:52Z", "ms": 1545347091859.143 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T17:25:28+03:00", "utc": "2018-12-19T14:25:28Z", "ms": 1545229527967.0898 }, "end": { "local": "2018-12-19T19:22:54+03:00", "utc": "2018-12-19T16:22:54Z", "ms": 1545236574387.5442 } }, "covered_min": 0, "window_min": 117, "qualifies": false }, { "local_date": "2018-12-20", "window": { "start": { "local": "2018-12-20T17:25:54+03:00", "utc": "2018-12-20T14:25:54Z", "ms": 1545315954004.067 }, "end": { "local": "2018-12-20T19:23:21+03:00", "utc": "2018-12-20T16:23:21Z", "ms": 1545323001231.8113 } }, "covered_min": 117, "window_min": 117, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:56 on Thu 20 Dec to 02:05 on Fri 21 Dec.", "fact": "2018-12-20T00:56:08Z → 2018-12-20T23:04:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:23 on the 19th, 17:26–19:23 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 117 minutes on the 19th and 117 of 117 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 24091 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ankara, 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 Ankara, Śukla Pradoṣa Vrata 2018 falls on Thursday 20 December. Trayodaśī runs from 03:56 on Thu 20 Dec to 02:05 on Fri 21 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5056, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-12-21T23:39:22+03:00", "utc": "2018-12-21T20:39:22Z", "ms": 1545424762159.9248 }, "end": { "local": "2018-12-22T20:48:35+03:00", "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": "2018-12-21T23:39:22+03:00", "utc": "2018-12-21T20:39:22Z", "ms": 1545424762159.9248 }, "end": { "local": "2018-12-22T20:48:35+03:00", "utc": "2018-12-22T17:48:35Z", "ms": 1545500914979.4106 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-21", "window": { "start": { "local": "2018-12-21T17:26:22+03:00", "utc": "2018-12-21T14:26:22Z", "ms": 1545402382087.0403 }, "end": { "local": "2018-12-21T19:23:50+03:00", "utc": "2018-12-21T16:23:50Z", "ms": 1545409429592.7166 } }, "covered_min": 0, "window_min": 117, "qualifies": false }, { "local_date": "2018-12-22", "window": { "start": { "local": "2018-12-22T17:26:52+03:00", "utc": "2018-12-22T14:26:52Z", "ms": 1545488812187.7078 }, "end": { "local": "2018-12-22T19:24:19+03:00", "utc": "2018-12-22T16:24:19Z", "ms": 1545495859441.8337 } }, "covered_min": 117, "window_min": 117, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:39 on Fri 21 Dec to 20:49 on Sat 22 Dec.", "fact": "2018-12-21T20:39:22Z → 2018-12-22T17:48:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:24 on the 21st, 17:27–19:24 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 117 minutes on the 21st and 117 of 117 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 5056 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Ankara, 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 Ankara, Dattātreyotpatti (Datta Jayanti) 2018 falls on Saturday 22 December. Pūrṇimā runs from 23:39 on Fri 21 Dec to 20:49 on Sat 22 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ankara/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": "/ankara/festivals/2018/sankashta-chaturthi?on=2018-12-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "323786", "year": 2018, "local_date": "2018-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34060, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-12-25T11:17:36+03:00", "utc": "2018-12-25T08:17:36Z", "ms": 1545725855673.9705 }, "end": { "local": "2018-12-26T08:16:49+03:00", "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": "2018-12-25T11:17:36+03:00", "utc": "2018-12-25T08:17:36Z", "ms": 1545725855673.9705 }, "end": { "local": "2018-12-26T08:16:49+03:00", "utc": "2018-12-26T05:16:49Z", "ms": 1545801409141.9246 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-12-25", "window": { "start": { "local": "2018-12-25T20:45:16+03:00", "utc": "2018-12-25T17:45:16Z", "ms": 1545759916054.5645 }, "end": { "local": "2018-12-25T20:45:16+03:00", "utc": "2018-12-25T17:45:16Z", "ms": 1545759916054.5645 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-12-26", "window": { "start": { "local": "2018-12-26T21:57:32+03:00", "utc": "2018-12-26T18:57:32Z", "ms": 1545850651561.315 }, "end": { "local": "2018-12-26T21:57:32+03:00", "utc": "2018-12-26T18:57:32Z", "ms": 1545850651561.315 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:18 on Tue 25 Dec to 08:17 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 21:58 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 34060 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ankara, 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 Ankara, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 25 December. Caturthī runs from 11:18 on Tue 25 Dec to 08:17 on Wed 26 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/ankara/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" } }