{ "id": "/pretoria/festivals/2018", "place": { "id": "964137", "slug": "pretoria", "name": "Pretoria", "region": "Gauteng, South Africa", "country": "ZA", "lat": -25.74486, "lon": 28.18783, "elevation_m": 1332, "tz": "Africa/Johannesburg" }, "year": 2018, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-01-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11912, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-04T18:01:58+02:00", "utc": "2018-01-04T16:01:58Z", "ms": 1515081718261.4683 }, "end": { "local": "2018-01-05T15:30:17+02:00", "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": "2018-01-04T18:01:58+02:00", "utc": "2018-01-04T16:01:58Z", "ms": 1515081718261.4683 }, "end": { "local": "2018-01-05T15:30:17+02:00", "utc": "2018-01-05T13:30:17Z", "ms": 1515159016720.1775 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-01-04", "window": { "start": { "local": "2018-01-04T21:20:30+02:00", "utc": "2018-01-04T19:20:30Z", "ms": 1515093630073.4207 }, "end": { "local": "2018-01-04T21:20:30+02:00", "utc": "2018-01-04T19:20:30Z", "ms": 1515093630073.4207 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-01-05", "window": { "start": { "local": "2018-01-05T22:06:57+02:00", "utc": "2018-01-05T20:06:57Z", "ms": 1515182816526.11 }, "end": { "local": "2018-01-05T22:06:57+02:00", "utc": "2018-01-05T20:06:57Z", "ms": 1515182816526.11 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:02 on Thu 4 Jan to 15:30 on Fri 5 Jan.", "fact": "2018-01-04T16:01:58Z → 2018-01-05T13:30:17Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 4th and 22:07 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 11912 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Thursday 4 January. Caturthī runs from 18:02 on Thu 4 Jan to 15:30 on Fri 5 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-01-12", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36852, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-01-11T15:40:53+02:00", "utc": "2018-01-11T13:40:53Z", "ms": 1515678053014.1506 }, "end": { "local": "2018-01-12T17:52:49+02:00", "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": "2018-01-11T15:40:53+02:00", "utc": "2018-01-11T13:40:53Z", "ms": 1515678053014.1506 }, "end": { "local": "2018-01-12T17:52:49+02:00", "utc": "2018-01-12T15:52:49Z", "ms": 1515772369369.072 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-01-11", "window": { "start": { "local": "2018-01-11T05:26:41+02:00", "utc": "2018-01-11T03:26:41Z", "ms": 1515641200522.5852 }, "end": { "local": "2018-01-11T05:26:41+02:00", "utc": "2018-01-11T03:26:41Z", "ms": 1515641200522.5852 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-01-12", "window": { "start": { "local": "2018-01-12T05:27:26+02:00", "utc": "2018-01-12T03:27:26Z", "ms": 1515727646118.9885 }, "end": { "local": "2018-01-12T05:27:26+02:00", "utc": "2018-01-12T03:27:26Z", "ms": 1515727646118.9885 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:41 on Thu 11 Jan to 17:53 on Fri 12 Jan.", "fact": "2018-01-11T13:40:53Z → 2018-01-12T15:52:49Z" }, { "step": "kaala", "text": "Sunrise is at 05:27 on the 11th and 05:27 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 36852 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Pretoria, 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 Pretoria, Ṣaṭtilā Ekādaśī 2018 falls on Friday 12 January. Ekādaśī runs from 15:41 on Thu 11 Jan to 17:53 on Fri 12 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31606, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-12T23:18:13+02:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T19:03:22+02:00", "utc": "2018-01-13T17:03:22Z", "ms": 1515863002104.7192 }, "end": { "local": "2018-01-14T19:03:20+02:00", "utc": "2018-01-14T17:03:20Z", "ms": 1515949399724.62 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-14T19:03:20+02:00", "utc": "2018-01-14T17:03:20Z", "ms": 1515949399724.62 }, "end": { "local": "2018-01-15T19:03:16+02:00", "utc": "2018-01-15T17:03:16Z", "ms": 1516035795830.9802 } }, "covered_min": 0, "window_min": 1440, "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 10:17 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 19:03, and the day of the 15th ends at 19:03.", "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 31606 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, Pretoria, 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 Pretoria, 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 10:17 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/pretoria/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": "/pretoria/festivals/2018/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31606, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-12T23:18:13+02:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T19:03:22+02:00", "utc": "2018-01-13T17:03:22Z", "ms": 1515863002104.7192 }, "end": { "local": "2018-01-14T19:03:20+02:00", "utc": "2018-01-14T17:03:20Z", "ms": 1515949399724.62 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-14T19:03:20+02:00", "utc": "2018-01-14T17:03:20Z", "ms": 1515949399724.62 }, "end": { "local": "2018-01-15T19:03:16+02:00", "utc": "2018-01-15T17:03:16Z", "ms": 1516035795830.9802 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:17 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 19:03, and the day of the 15th ends at 19:03.", "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 31606 s" }, { "step": "ruling", "text": "Pongal, Pretoria, 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 Pretoria, Pongal 2018 falls on Sunday 14 January. The Sun enters Makara at 10:17 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/pretoria/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": "/pretoria/festivals/2018/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36994, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-12T23:18:13+02:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T10:16:34+02:00", "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+02:00", "utc": "2018-01-12T22:00:00Z", "ms": 1515794400000 }, "end": { "local": "2018-01-14T00:00:00+02:00", "utc": "2018-01-13T22:00:00Z", "ms": 1515880800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-14T00:00:00+02:00", "utc": "2018-01-13T22:00:00Z", "ms": 1515880800000 }, "end": { "local": "2018-01-15T00:00:00+02:00", "utc": "2018-01-14T22:00:00Z", "ms": 1515967200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:17 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 Pretoria.", "fact": "civil-day: midnight-to-midnight · Africa/Johannesburg" }, { "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 36994 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Pretoria, 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 Pretoria, Makara Saṅkrānti 2018 falls on Sunday 14 January. The Sun enters Makara at 10:17 on Sun 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-01-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-14", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 264, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-01-13T20:22:23+02:00", "utc": "2018-01-13T18:22:23Z", "ms": 1515867742723.9802 }, "end": { "local": "2018-01-14T23:01:06+02:00", "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": "2018-01-13T20:22:23+02:00", "utc": "2018-01-13T18:22:23Z", "ms": 1515867742723.9802 }, "end": { "local": "2018-01-14T23:01:06+02:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-13", "window": { "start": { "local": "2018-01-13T19:03:22+02:00", "utc": "2018-01-13T17:03:22Z", "ms": 1515863002104.7192 }, "end": { "local": "2018-01-13T20:26:47+02:00", "utc": "2018-01-13T18:26:47Z", "ms": 1515868006920.8313 } }, "covered_min": 4, "window_min": 83, "qualifies": true }, { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-14T19:03:20+02:00", "utc": "2018-01-14T17:03:20Z", "ms": 1515949399724.62 }, "end": { "local": "2018-01-14T20:26:51+02:00", "utc": "2018-01-14T18:26:51Z", "ms": 1515954411048.2654 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:22 on Sat 13 Jan to 23:01 on Sun 14 Jan.", "fact": "2018-01-13T18:22:23Z → 2018-01-14T21:01:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:03–20:27 on the 13th, 19:03–20:27 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 4 of 83 minutes on the 13th and 84 of 84 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 264 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 2018: Sunday 14 January.", "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": "2018-01-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-01-14", "confidence": "boundary" } ], "quote": "In Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Sunday 14 January. Trayodaśī runs from 20:22 on Sat 13 Jan to 23:01 on Sun 14 Jan and covers all of pradoṣa that evening. It also reaches the previous evening for 4 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 24 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-01-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-14", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3086, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-01-14T23:01:06+02:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T01:41:31+02:00", "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": "2018-01-14T23:01:06+02:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T01:41:31+02:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 } }, "kaala": "nishita", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-14T23:52:32+02:00", "utc": "2018-01-14T21:52:32Z", "ms": 1515966752188.2898 }, "end": { "local": "2018-01-15T00:40:32+02:00", "utc": "2018-01-14T22:40:32Z", "ms": 1515969632188.2898 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-15T23:52:54+02:00", "utc": "2018-01-15T21:52:54Z", "ms": 1516053173551.453 }, "end": { "local": "2018-01-16T00:40:54+02:00", "utc": "2018-01-15T22:40:54Z", "ms": 1516056053551.453 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:01 on Sun 14 Jan to 01:42 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: 23:53–00:41 on the 14th, 23:53–00:41 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 3086 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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": "2018-01-15", "confidence": "boundary" } ], "quote": "In Pretoria, Śivarātri 2018 falls on Sunday 14 January. Caturdaśī runs from 23:01 on Sun 14 Jan to 01:42 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/pretoria/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": "/pretoria/festivals/2018/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31606, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-02-12T23:18:13+02:00", "utc": "2018-02-12T21:18:13Z", "ms": 1518470293350.1775 } }, "span": { "of": "transit", "start": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 }, "end": { "local": "2018-01-14T10:16:34+02:00", "utc": "2018-01-14T08:16:34Z", "ms": 1515917793571.2043 } }, "kaala": "sunset-day", "days": [ { "local_date": "2018-01-14", "window": { "start": { "local": "2018-01-13T19:03:22+02:00", "utc": "2018-01-13T17:03:22Z", "ms": 1515863002104.7192 }, "end": { "local": "2018-01-14T19:03:20+02:00", "utc": "2018-01-14T17:03:20Z", "ms": 1515949399724.62 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-14T19:03:20+02:00", "utc": "2018-01-14T17:03:20Z", "ms": 1515949399724.62 }, "end": { "local": "2018-01-15T19:03:16+02:00", "utc": "2018-01-15T17:03:16Z", "ms": 1516035795830.9802 } }, "covered_min": 0, "window_min": 1440, "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 10:17 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 19:03, and the day of the 15th ends at 19:03.", "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 31606 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, Pretoria, 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 Pretoria, 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 10:17 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/pretoria/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": "/pretoria/festivals/2018/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8722, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-01-14T23:01:06+02:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T01:41:31+02:00", "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": "2018-01-14T23:01:06+02:00", "utc": "2018-01-14T21:01:06Z", "ms": 1515963665865.0425 }, "end": { "local": "2018-01-16T01:41:31+02:00", "utc": "2018-01-15T23:41:31Z", "ms": 1516059691175.3782 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-01-15", "window": { "start": { "local": "2018-01-15T04:06:13+02:00", "utc": "2018-01-15T02:06:13Z", "ms": 1515981973328.3142 }, "end": { "local": "2018-01-15T05:29:45+02:00", "utc": "2018-01-15T03:29:45Z", "ms": 1515986984651.9595 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2018-01-16", "window": { "start": { "local": "2018-01-16T04:06:53+02:00", "utc": "2018-01-16T02:06:53Z", "ms": 1516068413213.1328 }, "end": { "local": "2018-01-16T05:30:31+02:00", "utc": "2018-01-16T03:30:31Z", "ms": 1516073431271.9255 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:01 on Sun 14 Jan to 01:42 on Tue 16 Jan.", "fact": "2018-01-14T21:01:06Z → 2018-01-15T23:41:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:06–05:30 on the 15th, 04:07–05:31 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 84 of 84 minutes on the 15th and 0 of 84 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 8722 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Pretoria, 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 Pretoria, Yama Tarpaṇa 2018 falls on Monday 15 January. Caturdaśī runs from 23:01 on Sun 14 Jan to 01:42 on Tue 16 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 557, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-20T10:41:08+02:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T12:03:40+02:00", "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": "2018-01-20T10:41:08+02:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T12:03:40+02:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-20", "window": { "start": { "local": "2018-01-20T11:54:06+02:00", "utc": "2018-01-20T09:54:06Z", "ms": 1516442046252.086 }, "end": { "local": "2018-01-20T12:42:06+02:00", "utc": "2018-01-20T10:42:06Z", "ms": 1516444926252.086 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T11:54:23+02:00", "utc": "2018-01-21T09:54:23Z", "ms": 1516528463258.8032 }, "end": { "local": "2018-01-21T12:42:23+02:00", "utc": "2018-01-21T10:42:23Z", "ms": 1516531343258.8032 } }, "covered_min": 9, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:41 on Sat 20 Jan to 12:04 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: 11:54–12:42 on the 20th, 11:54–12:42 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 9 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 557 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Pretoria, 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 Pretoria, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2018 falls on Saturday 20 January. Caturthī runs from 10:41 on Sat 20 Jan to 12:04 on Sun 21 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 9 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25120, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-01-20T10:41:08+02:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T12:03:40+02:00", "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": "2018-01-20T10:41:08+02:00", "utc": "2018-01-20T08:41:08Z", "ms": 1516437667623.3171 }, "end": { "local": "2018-01-21T12:03:40+02:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-20", "window": { "start": { "local": "2018-01-20T19:02:34+02:00", "utc": "2018-01-20T17:02:34Z", "ms": 1516467753618.2698 }, "end": { "local": "2018-01-20T20:26:49+02:00", "utc": "2018-01-20T18:26:49Z", "ms": 1516472808586.5828 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T19:02:21+02:00", "utc": "2018-01-21T17:02:21Z", "ms": 1516554140636.9885 }, "end": { "local": "2018-01-21T20:26:44+02:00", "utc": "2018-01-21T18:26:44Z", "ms": 1516559203597.2563 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:41 on Sat 20 Jan to 12:04 on Sun 21 Jan.", "fact": "2018-01-20T08:41:08Z → 2018-01-21T10:03:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:03–20:27 on the 20th, 19:02–20:27 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 84 of 84 minutes on the 20th and 0 of 84 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 25120 s" }, { "step": "ruling", "text": "Tila Caturthī, Pretoria, 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 Pretoria, Tila Caturthī 2018 falls on Saturday 20 January. Caturthī runs from 10:41 on Sat 20 Jan to 12:04 on Sun 21 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 557, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-01-21T12:03:40+02:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T12:54:51+02:00", "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": "2018-01-21T12:03:40+02:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T12:54:51+02:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T11:54:23+02:00", "utc": "2018-01-21T09:54:23Z", "ms": 1516528463258.8032 }, "end": { "local": "2018-01-21T12:42:23+02:00", "utc": "2018-01-21T10:42:23Z", "ms": 1516531343258.8032 } }, "covered_min": 39, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-22", "window": { "start": { "local": "2018-01-22T11:54:39+02:00", "utc": "2018-01-22T09:54:39Z", "ms": 1516614879495.9856 }, "end": { "local": "2018-01-22T12:42:39+02:00", "utc": "2018-01-22T10:42:39Z", "ms": 1516617759495.9856 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:04 on Sun 21 Jan to 12:55 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: 11:54–12:42 on the 21st, 11:55–12:43 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 39 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 557 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Pretoria, 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": "determinate" } ], "quote": "In Pretoria, Śrī Pañcamī 2018 falls on Sunday 21 January. Pañcamī runs from 12:04 on Sun 21 Jan to 12:55 on Mon 22 Jan and covers 39 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/pretoria/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": "/pretoria/festivals/2018/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-22", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 557, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-01-21T12:03:40+02:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T12:54:51+02:00", "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": "2018-01-21T12:03:40+02:00", "utc": "2018-01-21T10:03:40Z", "ms": 1516529020280.0808 }, "end": { "local": "2018-01-22T12:54:51+02:00", "utc": "2018-01-22T10:54:51Z", "ms": 1516618490802.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-21", "window": { "start": { "local": "2018-01-21T11:54:23+02:00", "utc": "2018-01-21T09:54:23Z", "ms": 1516528463258.8032 }, "end": { "local": "2018-01-21T12:42:23+02:00", "utc": "2018-01-21T10:42:23Z", "ms": 1516531343258.8032 } }, "covered_min": 39, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-22", "window": { "start": { "local": "2018-01-22T11:54:39+02:00", "utc": "2018-01-22T09:54:39Z", "ms": 1516614879495.9856 }, "end": { "local": "2018-01-22T12:42:39+02:00", "utc": "2018-01-22T10:42:39Z", "ms": 1516617759495.9856 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:04 on Sun 21 Jan to 12:55 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: 11:54–12:42 on the 21st, 11:55–12:43 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 39 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 557 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Pretoria, 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 Pretoria, Vasanta Pañcamī 2018 falls on Monday 22 January. Pañcamī runs from 12:04 on Sun 21 Jan to 12:55 on Mon 22 Jan and covers all of madhyāhna that midday. It also reaches the previous midday for 39 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/pretoria/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": "/pretoria/festivals/2018/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25812, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-01-23T13:10:17+02:00", "utc": "2018-01-23T11:10:17Z", "ms": 1516705816734.995 }, "end": { "local": "2018-01-24T12:46:58+02:00", "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": "2018-01-23T13:10:17+02:00", "utc": "2018-01-23T11:10:17Z", "ms": 1516705816734.995 }, "end": { "local": "2018-01-24T12:46:58+02:00", "utc": "2018-01-24T10:46:58Z", "ms": 1516790818221.2603 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-01-23", "window": { "start": { "local": "2018-01-23T04:11:29+02:00", "utc": "2018-01-23T02:11:29Z", "ms": 1516673488583.868 }, "end": { "local": "2018-01-23T05:36:00+02:00", "utc": "2018-01-23T03:36:00Z", "ms": 1516678559727.0825 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2018-01-24", "window": { "start": { "local": "2018-01-24T04:12:07+02:00", "utc": "2018-01-24T02:12:07Z", "ms": 1516759927000.7188 }, "end": { "local": "2018-01-24T05:36:47+02:00", "utc": "2018-01-24T03:36:47Z", "ms": 1516765006512.547 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:10 on Tue 23 Jan to 12:47 on Wed 24 Jan.", "fact": "2018-01-23T11:10:17Z → 2018-01-24T10:46:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:11–05:36 on the 23rd, 04:12–05:37 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 85 minutes on the 23rd and 85 of 85 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 25812 s" }, { "step": "ruling", "text": "Ratha Saptamī, Pretoria, 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 Pretoria, Ratha Saptamī 2018 falls on Wednesday 24 January. Saptamī runs from 13:10 on Tue 23 Jan to 12:47 on Wed 24 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-01-27", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2515, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-01-27T07:44:57+02:00", "utc": "2018-01-27T05:44:57Z", "ms": 1517031897353.4683 }, "end": { "local": "2018-01-28T04:57:57+02:00", "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": "2018-01-27T07:44:57+02:00", "utc": "2018-01-27T05:44:57Z", "ms": 1517031897353.4683 }, "end": { "local": "2018-01-28T04:57:57+02:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-01-27", "window": { "start": { "local": "2018-01-27T05:39:06+02:00", "utc": "2018-01-27T03:39:06Z", "ms": 1517024345958.0032 }, "end": { "local": "2018-01-27T05:39:06+02:00", "utc": "2018-01-27T03:39:06Z", "ms": 1517024345958.0032 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T05:39:52+02:00", "utc": "2018-01-28T03:39:52Z", "ms": 1517110792048.3567 }, "end": { "local": "2018-01-28T05:39:52+02:00", "utc": "2018-01-28T03:39:52Z", "ms": 1517110792048.3567 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:45 on Sat 27 Jan to 04:58 on Sun 28 Jan.", "fact": "2018-01-27T05:44:57Z → 2018-01-28T02:57:57Z" }, { "step": "kaala", "text": "Sunrise is at 05:39 on the 27th and 05:40 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 2515 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Pretoria, 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 Pretoria, Jayā Ekādaśī 2018 falls on Saturday 27 January. Ekādaśī runs from 07:45 on Sat 27 Jan to 04:58 on Sun 28 Jan, and is current at sunrise on neither day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25083, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-01-28T04:57:57+02:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "end": { "local": "2018-01-29T01:48:01+02:00", "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": "2018-01-28T04:57:57+02:00", "utc": "2018-01-28T02:57:57Z", "ms": 1517108276852.1748 }, "end": { "local": "2018-01-29T01:48:01+02:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T11:56:00+02:00", "utc": "2018-01-28T09:56:00Z", "ms": 1517133360150.02 }, "end": { "local": "2018-01-28T12:44:00+02:00", "utc": "2018-01-28T10:44:00Z", "ms": 1517136240150.02 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-01-29", "window": { "start": { "local": "2018-01-29T11:56:11+02:00", "utc": "2018-01-29T09:56:11Z", "ms": 1517219770738.206 }, "end": { "local": "2018-01-29T12:44:11+02:00", "utc": "2018-01-29T10:44:11Z", "ms": 1517222650738.206 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:58 on Sun 28 Jan to 01:48 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: 11:56–12:44 on the 28th, 11:56–12:44 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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 25083 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Pretoria, 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 Pretoria, Bhīṣma Dvādaśī 2018 falls on Sunday 28 January. Dvādaśī runs from 04:58 on Sun 28 Jan to 01:48 on Mon 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-01-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7087, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-01-29T01:48:01+02:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "end": { "local": "2018-01-29T22:23:24+02:00", "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": "2018-01-29T01:48:01+02:00", "utc": "2018-01-28T23:48:01Z", "ms": 1517183281485.9104 }, "end": { "local": "2018-01-29T22:23:24+02:00", "utc": "2018-01-29T20:23:24Z", "ms": 1517257404271.044 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-01-28", "window": { "start": { "local": "2018-01-28T19:00:08+02:00", "utc": "2018-01-28T17:00:08Z", "ms": 1517158808251.683 }, "end": { "local": "2018-01-28T20:25:32+02:00", "utc": "2018-01-28T18:25:32Z", "ms": 1517163932205.4546 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2018-01-29", "window": { "start": { "local": "2018-01-29T18:59:44+02:00", "utc": "2018-01-29T16:59:44Z", "ms": 1517245183571.443 }, "end": { "local": "2018-01-29T20:25:17+02:00", "utc": "2018-01-29T18:25:17Z", "ms": 1517250316896.4302 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:48 on Mon 29 Jan to 22:23 on Mon 29 Jan.", "fact": "2018-01-28T23:48:01Z → 2018-01-29T20:23:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:26 on the 28th, 19:00–20:25 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 85 minutes on the 28th and 86 of 86 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 7087 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Monday 29 January. Trayodaśī runs from 01:48 on Mon 29 Jan to 22:23 on Mon 29 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9734, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-01-30T18:53:08+02:00", "utc": "2018-01-30T16:53:08Z", "ms": 1517331187830.8684 }, "end": { "local": "2018-01-31T15:26:44+02:00", "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": "2018-01-30T18:53:08+02:00", "utc": "2018-01-30T16:53:08Z", "ms": 1517331187830.8684 }, "end": { "local": "2018-01-31T15:26:44+02:00", "utc": "2018-01-31T13:26:44Z", "ms": 1517405203735.9001 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-01-30", "window": { "start": { "local": "2018-01-30T11:56:21+02:00", "utc": "2018-01-30T09:56:21Z", "ms": 1517306180507.0505 }, "end": { "local": "2018-01-30T12:44:21+02:00", "utc": "2018-01-30T10:44:21Z", "ms": 1517309060507.0505 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-01-31", "window": { "start": { "local": "2018-01-31T11:56:29+02:00", "utc": "2018-01-31T09:56:29Z", "ms": 1517392589459.7114 }, "end": { "local": "2018-01-31T12:44:29+02:00", "utc": "2018-01-31T10:44:29Z", "ms": 1517395469459.7114 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:53 on Tue 30 Jan to 15:27 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: 11:56–12:44 on the 30th, 11:56–12:44 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 9734 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Pretoria, 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 Pretoria, Māghī Pūrṇimā 2018 falls on Wednesday 31 January. Pūrṇimā runs from 18:53 on Tue 30 Jan to 15:27 on Wed 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-02-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29171, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-02-03T07:06:16+02:00", "utc": "2018-02-03T05:06:16Z", "ms": 1517634376094.376 }, "end": { "local": "2018-02-04T05:28:05+02:00", "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": "2018-02-03T07:06:16+02:00", "utc": "2018-02-03T05:06:16Z", "ms": 1517634376094.376 }, "end": { "local": "2018-02-04T05:28:05+02:00", "utc": "2018-02-04T03:28:05Z", "ms": 1517714884979.523 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-02-02", "window": { "start": { "local": "2018-02-02T20:40:09+02:00", "utc": "2018-02-02T18:40:09Z", "ms": 1517596808590.21 }, "end": { "local": "2018-02-02T20:40:09+02:00", "utc": "2018-02-02T18:40:09Z", "ms": 1517596808590.21 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-03", "window": { "start": { "local": "2018-02-03T21:21:54+02:00", "utc": "2018-02-03T19:21:54Z", "ms": 1517685714438.679 }, "end": { "local": "2018-02-03T21:21:54+02:00", "utc": "2018-02-03T19:21:54Z", "ms": 1517685714438.679 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:06 on Sat 3 Feb to 05:28 on Sun 4 Feb.", "fact": "2018-02-03T05:06:16Z → 2018-02-04T03:28:05Z" }, { "step": "kaala", "text": "Moonrise is at 20:40 on the 2nd and 21:22 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 29171 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Saturday 3 February. Caturthī runs from 07:06 on Sat 3 Feb to 05:28 on Sun 4 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-02-11", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19492, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-02-10T11:14:17+02:00", "utc": "2018-02-10T09:14:17Z", "ms": 1518254056706.8145 }, "end": { "local": "2018-02-11T13:54:32+02:00", "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": "2018-02-10T11:14:17+02:00", "utc": "2018-02-10T09:14:17Z", "ms": 1518254056706.8145 }, "end": { "local": "2018-02-11T13:54:32+02:00", "utc": "2018-02-11T11:54:32Z", "ms": 1518350072012.6855 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-02-10", "window": { "start": { "local": "2018-02-10T05:49:25+02:00", "utc": "2018-02-10T03:49:25Z", "ms": 1518234564617.2764 }, "end": { "local": "2018-02-10T05:49:25+02:00", "utc": "2018-02-10T03:49:25Z", "ms": 1518234564617.2764 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-11", "window": { "start": { "local": "2018-02-11T05:50:06+02:00", "utc": "2018-02-11T03:50:06Z", "ms": 1518321006183.0325 }, "end": { "local": "2018-02-11T05:50:06+02:00", "utc": "2018-02-11T03:50:06Z", "ms": 1518321006183.0325 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:14 on Sat 10 Feb to 13:55 on Sun 11 Feb.", "fact": "2018-02-10T09:14:17Z → 2018-02-11T11:54:32Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 10th and 05:50 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 19492 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Pretoria, 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 Pretoria, Vijayā Ekādaśī 2018 falls on Sunday 11 February. Ekādaśī runs from 11:14 on Sat 10 Feb to 13:55 on Sun 11 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-02-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-02-12", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 837, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-02-12T16:34:53+02:00", "utc": "2018-02-12T14:34:53Z", "ms": 1518446093438.286 }, "end": { "local": "2018-02-13T19:04:57+02:00", "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": "2018-02-12T16:34:53+02:00", "utc": "2018-02-12T14:34:53Z", "ms": 1518446093438.286 }, "end": { "local": "2018-02-13T19:04:57+02:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-02-12", "window": { "start": { "local": "2018-02-12T18:51:43+02:00", "utc": "2018-02-12T16:51:43Z", "ms": 1518454303182.8135 }, "end": { "local": "2018-02-12T20:19:41+02:00", "utc": "2018-02-12T18:19:41Z", "ms": 1518459581169.272 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "2018-02-13", "window": { "start": { "local": "2018-02-13T18:51:00+02:00", "utc": "2018-02-13T16:51:00Z", "ms": 1518540660165.1565 }, "end": { "local": "2018-02-13T20:19:09+02:00", "utc": "2018-02-13T18:19:09Z", "ms": 1518545949262.7039 } }, "covered_min": 14, "window_min": 88, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:35 on Mon 12 Feb to 19:05 on Tue 13 Feb.", "fact": "2018-02-12T14:34:53Z → 2018-02-13T17:04:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:20 on the 12th, 18:51–20:19 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 88 of 88 minutes on the 12th and 14 of 88 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 837 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 2018: Monday 12 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-02-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-02-12", "confidence": "boundary" } ], "quote": "In Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 12 February. Trayodaśī runs from 16:35 on Mon 12 Feb to 19:05 on Tue 13 Feb and covers all of pradoṣa that evening. It also reaches the next evening for 14 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/pretoria/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": "/pretoria/festivals/2018/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9644, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-02-13T19:04:57+02:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "end": { "local": "2018-02-14T21:16:48+02:00", "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": "2018-02-13T19:04:57+02:00", "utc": "2018-02-13T17:04:57Z", "ms": 1518541496880.9626 }, "end": { "local": "2018-02-14T21:16:48+02:00", "utc": "2018-02-14T19:16:48Z", "ms": 1518635808473.8533 } }, "kaala": "nishita", "days": [ { "local_date": "2018-02-13", "window": { "start": { "local": "2018-02-13T23:57:34+02:00", "utc": "2018-02-13T21:57:34Z", "ms": 1518559054280.959 }, "end": { "local": "2018-02-14T00:45:34+02:00", "utc": "2018-02-13T22:45:34Z", "ms": 1518561934280.959 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-02-14", "window": { "start": { "local": "2018-02-14T23:57:32+02:00", "utc": "2018-02-14T21:57:32Z", "ms": 1518645452194.5154 }, "end": { "local": "2018-02-15T00:45:32+02:00", "utc": "2018-02-14T22:45:32Z", "ms": 1518648332194.5154 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:05 on Tue 13 Feb to 21:17 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: 23:58–00:46 on the 13th, 23:58–00:46 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 9644 s" }, { "step": "ruling", "text": "Mahāśivarātri, Pretoria, 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 Pretoria, Mahāśivarātri 2018 falls on Tuesday 13 February. Caturdaśī runs from 19:05 on Tue 13 Feb to 21:17 on Wed 14 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-02-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36578, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-02-19T01:47:14+02:00", "utc": "2018-02-18T23:47:14Z", "ms": 1518997634456.6365 }, "end": { "local": "2018-02-20T01:45:23+02:00", "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": "2018-02-19T01:47:14+02:00", "utc": "2018-02-18T23:47:14Z", "ms": 1518997634456.6365 }, "end": { "local": "2018-02-20T01:45:23+02:00", "utc": "2018-02-19T23:45:23Z", "ms": 1519083923255.6016 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-02-19", "window": { "start": { "local": "2018-02-19T11:56:52+02:00", "utc": "2018-02-19T09:56:52Z", "ms": 1519034212213.2222 }, "end": { "local": "2018-02-19T12:44:52+02:00", "utc": "2018-02-19T10:44:52Z", "ms": 1519037092213.2222 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-02-20", "window": { "start": { "local": "2018-02-20T11:56:46+02:00", "utc": "2018-02-20T09:56:46Z", "ms": 1519120606132.105 }, "end": { "local": "2018-02-20T12:44:46+02:00", "utc": "2018-02-20T10:44:46Z", "ms": 1519123486132.105 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:47 on Mon 19 Feb to 01:45 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: 11:57–12:45 on the 19th, 11:57–12:45 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 36578 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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 Pretoria, Vināyaka Caturthī 2018 falls on Monday 19 February. Caturthī runs from 01:47 on Mon 19 Feb to 01:45 on Tue 20 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-02-26", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28775, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-02-25T16:39:56+02:00", "utc": "2018-02-25T14:39:56Z", "ms": 1519569595588.5083 }, "end": { "local": "2018-02-26T13:59:13+02:00", "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": "2018-02-25T16:39:56+02:00", "utc": "2018-02-25T14:39:56Z", "ms": 1519569595588.5083 }, "end": { "local": "2018-02-26T13:59:13+02:00", "utc": "2018-02-26T11:59:13Z", "ms": 1519646352739.048 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-02-25", "window": { "start": { "local": "2018-02-25T05:59:02+02:00", "utc": "2018-02-25T03:59:02Z", "ms": 1519531142327.9233 }, "end": { "local": "2018-02-25T05:59:02+02:00", "utc": "2018-02-25T03:59:02Z", "ms": 1519531142327.9233 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-02-26", "window": { "start": { "local": "2018-02-26T05:59:37+02:00", "utc": "2018-02-26T03:59:37Z", "ms": 1519617577241.504 }, "end": { "local": "2018-02-26T05:59:37+02:00", "utc": "2018-02-26T03:59:37Z", "ms": 1519617577241.504 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:40 on Sun 25 Feb to 13:59 on Mon 26 Feb.", "fact": "2018-02-25T14:39:56Z → 2018-02-26T11:59:13Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 25th and 06:00 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 28775 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Pretoria, 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 Pretoria, Āmalakī Ekādaśī 2018 falls on Monday 26 February. Ekādaśī runs from 16:40 on Sun 25 Feb to 13:59 on Mon 26 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-02-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27006, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-02-27T11:09:14+02:00", "utc": "2018-02-27T09:09:14Z", "ms": 1519722554032.3486 }, "end": { "local": "2018-02-28T08:16:19+02:00", "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": "2018-02-27T11:09:14+02:00", "utc": "2018-02-27T09:09:14Z", "ms": 1519722554032.3486 }, "end": { "local": "2018-02-28T08:16:19+02:00", "utc": "2018-02-28T06:16:19Z", "ms": 1519798579179.2974 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-02-27", "window": { "start": { "local": "2018-02-27T18:39:20+02:00", "utc": "2018-02-27T16:39:20Z", "ms": 1519749559710.8857 }, "end": { "local": "2018-02-27T20:10:11+02:00", "utc": "2018-02-27T18:10:11Z", "ms": 1519755011185.94 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2018-02-28", "window": { "start": { "local": "2018-02-28T18:38:24+02:00", "utc": "2018-02-28T16:38:24Z", "ms": 1519835903696.8916 }, "end": { "local": "2018-02-28T20:09:27+02:00", "utc": "2018-02-28T18:09:27Z", "ms": 1519841367126.0322 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:09 on Tue 27 Feb to 08:16 on Wed 28 Feb.", "fact": "2018-02-27T09:09:14Z → 2018-02-28T06:16:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:10 on the 27th, 18:38–20:09 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 91 of 91 minutes on the 27th and 0 of 91 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 27006 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Tuesday 27 February. Trayodaśī runs from 11:09 on Tue 27 Feb to 08:16 on Wed 28 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29633, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-01T05:27:42+02:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T02:51:20+02:00", "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": "2018-03-01T05:27:42+02:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T02:51:20+02:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-02-28", "window": { "start": { "local": "2018-02-28T16:06:52+02:00", "utc": "2018-02-28T14:06:52Z", "ms": 1519826812112.2717 }, "end": { "local": "2018-02-28T18:38:24+02:00", "utc": "2018-02-28T16:38:24Z", "ms": 1519835903696.8916 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "2018-03-01", "window": { "start": { "local": "2018-03-01T16:06:14+02:00", "utc": "2018-03-01T14:06:14Z", "ms": 1519913173516.3586 }, "end": { "local": "2018-03-01T18:37:27+02:00", "utc": "2018-03-01T16:37:27Z", "ms": 1519922247041.587 } }, "covered_min": 151, "window_min": 151, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:28 on Thu 1 Mar to 02:51 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: 16:07–18:38 on the 28th, 16:06–18:37 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 152 minutes on the 28th and 151 of 151 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 29633 s" }, { "step": "ruling", "text": "Holikā Dahana, Pretoria, 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 Pretoria, Holikā Dahana 2018 falls on Thursday 1 March. Pūrṇimā runs from 05:28 on Thu 1 Mar to 02:51 on Fri 2 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29633, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-01T05:27:42+02:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T02:51:20+02:00", "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": "2018-03-01T05:27:42+02:00", "utc": "2018-03-01T03:27:42Z", "ms": 1519874862464.6624 }, "end": { "local": "2018-03-02T02:51:20+02:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-02-28", "window": { "start": { "local": "2018-02-28T16:06:52+02:00", "utc": "2018-02-28T14:06:52Z", "ms": 1519826812112.2717 }, "end": { "local": "2018-02-28T18:38:24+02:00", "utc": "2018-02-28T16:38:24Z", "ms": 1519835903696.8916 } }, "covered_min": 0, "window_min": 152, "qualifies": false }, { "local_date": "2018-03-01", "window": { "start": { "local": "2018-03-01T16:06:14+02:00", "utc": "2018-03-01T14:06:14Z", "ms": 1519913173516.3586 }, "end": { "local": "2018-03-01T18:37:27+02:00", "utc": "2018-03-01T16:37:27Z", "ms": 1519922247041.587 } }, "covered_min": 151, "window_min": 151, "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 05:28 on Thu 1 Mar to 02:51 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: 16:07–18:38 on the 28th, 16:06–18:37 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 152 minutes on the 28th and 151 of 151 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 29633 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, Pretoria, 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 Pretoria, Holī 2018 falls on Friday 2 March. It is kept the day after Holikā Dahana, which falls on Thursday 1 March. Pūrṇimā runs from 05:28 on Thu 1 Mar to 02:51 on Fri 2 Mar and covers all of sāyāhna on the 1st.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11433, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-03-02T02:51:20+02:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "end": { "local": "2018-03-03T00:35:31+02:00", "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": "2018-03-02T02:51:20+02:00", "utc": "2018-03-02T00:51:20Z", "ms": 1519951880069.761 }, "end": { "local": "2018-03-03T00:35:31+02:00", "utc": "2018-03-02T22:35:31Z", "ms": 1520030131395.1226 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-02", "window": { "start": { "local": "2018-03-02T06:01:53+02:00", "utc": "2018-03-02T04:01:53Z", "ms": 1519963312658.6794 }, "end": { "local": "2018-03-02T06:01:53+02:00", "utc": "2018-03-02T04:01:53Z", "ms": 1519963312658.6794 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-03-03", "window": { "start": { "local": "2018-03-03T06:02:26+02:00", "utc": "2018-03-03T04:02:26Z", "ms": 1520049745518.1494 }, "end": { "local": "2018-03-03T06:02:26+02:00", "utc": "2018-03-03T04:02:26Z", "ms": 1520049745518.1494 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:51 on Fri 2 Mar to 00:36 on Sat 3 Mar.", "fact": "2018-03-02T00:51:20Z → 2018-03-02T22:35:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 2nd and 06:02 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 11433 s" }, { "step": "ruling", "text": "Vasantotsava, Pretoria, 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 Pretoria, Vasantotsava 2018 falls on Friday 2 March. Pratipadā runs from 02:51 on Fri 2 Mar to 00:36 on Sat 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-03-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-04", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 76, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-03-04T21:37:56+02:00", "utc": "2018-03-04T19:37:56Z", "ms": 1520192276265.9006 }, "end": { "local": "2018-03-05T21:09:45+02:00", "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": "2018-03-04T21:37:56+02:00", "utc": "2018-03-04T19:37:56Z", "ms": 1520192276265.9006 }, "end": { "local": "2018-03-05T21:09:45+02:00", "utc": "2018-03-05T19:09:45Z", "ms": 1520276985167.4338 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-03-04", "window": { "start": { "local": "2018-03-04T20:32:24+02:00", "utc": "2018-03-04T18:32:24Z", "ms": 1520188344463.2837 }, "end": { "local": "2018-03-04T20:32:24+02:00", "utc": "2018-03-04T18:32:24Z", "ms": 1520188344463.2837 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-03-05", "window": { "start": { "local": "2018-03-05T21:11:01+02:00", "utc": "2018-03-05T19:11:01Z", "ms": 1520277060913.5354 }, "end": { "local": "2018-03-05T21:11:01+02:00", "utc": "2018-03-05T19:11:01Z", "ms": 1520277060913.5354 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:38 on Sun 4 Mar to 21:10 on Mon 5 Mar.", "fact": "2018-03-04T19:37:56Z → 2018-03-05T19:09:45Z" }, { "step": "kaala", "text": "Moonrise is at 20:32 on the 4th and 21:11 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 76 s < 300 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 2018: Sunday 4 March.", "fact": "confidence: boundary (margin, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Sunday 4 March. Caturthī runs from 21:38 on Sun 4 Mar to 21:10 on Mon 5 Mar, and is current at moonrise on neither day. It is 1 min 16 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33741, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-03-09T00:15:01+02:00", "utc": "2018-03-08T22:15:01Z", "ms": 1520547301334.054 }, "end": { "local": "2018-03-10T02:30:59+02:00", "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": "2018-03-09T00:15:01+02:00", "utc": "2018-03-08T22:15:01Z", "ms": 1520547301334.054 }, "end": { "local": "2018-03-10T02:30:59+02:00", "utc": "2018-03-10T00:30:59Z", "ms": 1520641859012.4749 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-09", "window": { "start": { "local": "2018-03-09T11:53:35+02:00", "utc": "2018-03-09T09:53:35Z", "ms": 1520589214931.4402 }, "end": { "local": "2018-03-09T12:41:35+02:00", "utc": "2018-03-09T10:41:35Z", "ms": 1520592094931.4402 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-10", "window": { "start": { "local": "2018-03-10T11:53:20+02:00", "utc": "2018-03-10T09:53:20Z", "ms": 1520675599687.4336 }, "end": { "local": "2018-03-10T12:41:20+02:00", "utc": "2018-03-10T10:41:20Z", "ms": 1520678479687.4336 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:15 on Fri 9 Mar to 02:31 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: 11:54–12:42 on the 9th, 11:53–12:41 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 33741 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Pretoria, 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 Pretoria, Śītalāṣṭamī 2018 falls on Friday 9 March. Aṣṭamī runs from 00:15 on Fri 9 Mar to 02:31 on Sat 10 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-03-13", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5806, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-03-12T07:43:52+02:00", "utc": "2018-03-12T05:43:52Z", "ms": 1520833432205.4226 }, "end": { "local": "2018-03-13T10:11:19+02:00", "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": "2018-03-12T07:43:52+02:00", "utc": "2018-03-12T05:43:52Z", "ms": 1520833432205.4226 }, "end": { "local": "2018-03-13T10:11:19+02:00", "utc": "2018-03-13T08:11:19Z", "ms": 1520928678778.7065 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-12", "window": { "start": { "local": "2018-03-12T06:07:06+02:00", "utc": "2018-03-12T04:07:06Z", "ms": 1520827626270.5505 }, "end": { "local": "2018-03-12T06:07:06+02:00", "utc": "2018-03-12T04:07:06Z", "ms": 1520827626270.5505 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-03-13", "window": { "start": { "local": "2018-03-13T06:07:36+02:00", "utc": "2018-03-13T04:07:36Z", "ms": 1520914056027.1858 }, "end": { "local": "2018-03-13T06:07:36+02:00", "utc": "2018-03-13T04:07:36Z", "ms": 1520914056027.1858 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:44 on Mon 12 Mar to 10:11 on Tue 13 Mar.", "fact": "2018-03-12T05:43:52Z → 2018-03-13T08:11:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 12th and 06:08 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 5806 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Pretoria, 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 Pretoria, Pāpamocanī Ekādaśī 2018 falls on Tuesday 13 March. Ekādaśī runs from 07:44 on Mon 12 Mar to 10:11 on Tue 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-03-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16429, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-14T12:15:56+02:00", "utc": "2018-03-14T10:15:56Z", "ms": 1521022555743.3228 }, "end": { "local": "2018-03-15T13:49:34+02:00", "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": "2018-03-14T12:15:56+02:00", "utc": "2018-03-14T10:15:56Z", "ms": 1521022555743.3228 }, "end": { "local": "2018-03-15T13:49:34+02:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-03-14", "window": { "start": { "local": "2018-03-14T18:24:26+02:00", "utc": "2018-03-14T16:24:26Z", "ms": 1521044666014.7832 }, "end": { "local": "2018-03-14T19:58:19+02:00", "utc": "2018-03-14T17:58:19Z", "ms": 1521050299187.7097 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2018-03-15", "window": { "start": { "local": "2018-03-15T18:23:24+02:00", "utc": "2018-03-15T16:23:24Z", "ms": 1521131003501.4705 }, "end": { "local": "2018-03-15T19:57:29+02:00", "utc": "2018-03-15T17:57:29Z", "ms": 1521136648882.6196 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:16 on Wed 14 Mar to 13:50 on Thu 15 Mar.", "fact": "2018-03-14T10:15:56Z → 2018-03-15T11:49:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:58 on the 14th, 18:23–19:57 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 94 of 94 minutes on the 14th and 0 of 94 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 16429 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 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 Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Wednesday 14 March. Trayodaśī runs from 12:16 on Wed 14 Mar to 13:50 on Thu 15 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-03-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32622, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-03-15T13:49:34+02:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "end": { "local": "2018-03-16T14:48:14+02:00", "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": "2018-03-15T13:49:34+02:00", "utc": "2018-03-15T11:49:34Z", "ms": 1521114574412.672 }, "end": { "local": "2018-03-16T14:48:14+02:00", "utc": "2018-03-16T12:48:14Z", "ms": 1521204494383.6106 } }, "kaala": "nishita", "days": [ { "local_date": "2018-03-15", "window": { "start": { "local": "2018-03-15T23:52:14+02:00", "utc": "2018-03-15T21:52:14Z", "ms": 1521150733680.78 }, "end": { "local": "2018-03-16T00:40:14+02:00", "utc": "2018-03-15T22:40:14Z", "ms": 1521153613680.78 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-16", "window": { "start": { "local": "2018-03-16T23:51:57+02:00", "utc": "2018-03-16T21:51:57Z", "ms": 1521237116732.0444 }, "end": { "local": "2018-03-17T00:39:57+02:00", "utc": "2018-03-16T22:39:57Z", "ms": 1521239996732.0444 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:50 on Thu 15 Mar to 14:48 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: 23:52–00:40 on the 15th, 23:52–00:40 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 32622 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Thursday 15 March. Caturdaśī runs from 13:50 on Thu 15 Mar to 14:48 on Fri 16 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8566, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-03-17T15:11:34+02:00", "utc": "2018-03-17T13:11:34Z", "ms": 1521292293885.157 }, "end": { "local": "2018-03-18T15:01:54+02:00", "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": "2018-03-17T15:11:34+02:00", "utc": "2018-03-17T13:11:34Z", "ms": 1521292293885.157 }, "end": { "local": "2018-03-18T15:01:54+02:00", "utc": "2018-03-18T13:01:54Z", "ms": 1521378114379.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-17", "window": { "start": { "local": "2018-03-17T11:51:25+02:00", "utc": "2018-03-17T09:51:25Z", "ms": 1521280285271.2722 }, "end": { "local": "2018-03-17T12:39:25+02:00", "utc": "2018-03-17T10:39:25Z", "ms": 1521283165271.2722 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-18", "window": { "start": { "local": "2018-03-18T11:51:08+02:00", "utc": "2018-03-18T09:51:08Z", "ms": 1521366668039.3506 }, "end": { "local": "2018-03-18T12:39:08+02:00", "utc": "2018-03-18T10:39:08Z", "ms": 1521369548039.3506 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:12 on Sat 17 Mar to 15:02 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: 11:51–12:39 on the 17th, 11:51–12:39 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 8566 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Pretoria, 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 Pretoria, Navarātrārambha (Caitra) (Chaitra Navratri) 2018 falls on Sunday 18 March. Pratipadā runs from 15:12 on Sat 17 Mar to 15:02 on Sun 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2523, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-03-19T14:23:19+02:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T13:20:36+02:00", "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": "2018-03-19T14:23:19+02:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T13:20:36+02:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-19", "window": { "start": { "local": "2018-03-19T11:50:51+02:00", "utc": "2018-03-19T09:50:51Z", "ms": 1521453050636.7817 }, "end": { "local": "2018-03-19T12:38:51+02:00", "utc": "2018-03-19T10:38:51Z", "ms": 1521455930636.7817 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T11:50:33+02:00", "utc": "2018-03-20T09:50:33Z", "ms": 1521539433080.1313 }, "end": { "local": "2018-03-20T12:38:33+02:00", "utc": "2018-03-20T10:38:33Z", "ms": 1521542313080.1313 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:23 on Mon 19 Mar to 13:21 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: 11:51–12:39 on the 19th, 11:51–12:39 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 2523 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Pretoria, 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 Pretoria, Gaurī Tṛtīyā (Gangaur) 2018 falls on Tuesday 20 March. Tṛtīyā runs from 14:23 on Mon 19 Mar to 13:21 on Tue 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2523, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-03-19T14:23:19+02:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T13:20:36+02:00", "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": "2018-03-19T14:23:19+02:00", "utc": "2018-03-19T12:23:19Z", "ms": 1521462198819.3254 }, "end": { "local": "2018-03-20T13:20:36+02:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-19", "window": { "start": { "local": "2018-03-19T11:50:51+02:00", "utc": "2018-03-19T09:50:51Z", "ms": 1521453050636.7817 }, "end": { "local": "2018-03-19T12:38:51+02:00", "utc": "2018-03-19T10:38:51Z", "ms": 1521455930636.7817 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T11:50:33+02:00", "utc": "2018-03-20T09:50:33Z", "ms": 1521539433080.1313 }, "end": { "local": "2018-03-20T12:38:33+02:00", "utc": "2018-03-20T10:38:33Z", "ms": 1521542313080.1313 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:23 on Mon 19 Mar to 13:21 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: 11:51–12:39 on the 19th, 11:51–12:39 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 2523 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Pretoria, 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 Pretoria, Saubhāgya Śayana Vrata 2018 falls on Tuesday 20 March. Tṛtīyā runs from 14:23 on Mon 19 Mar to 13:21 on Tue 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 499, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-03-21T11:58:35+02:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "end": { "local": "2018-03-22T10:21:36+02:00", "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": "2018-03-21T11:58:35+02:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 }, "end": { "local": "2018-03-22T10:21:36+02:00", "utc": "2018-03-22T08:21:36Z", "ms": 1521706896378.8286 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-21", "window": { "start": { "local": "2018-03-21T11:50:15+02:00", "utc": "2018-03-21T09:50:15Z", "ms": 1521625815386.1343 }, "end": { "local": "2018-03-21T12:38:15+02:00", "utc": "2018-03-21T10:38:15Z", "ms": 1521628695386.1343 } }, "covered_min": 40, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-22", "window": { "start": { "local": "2018-03-22T11:49:58+02:00", "utc": "2018-03-22T09:49:58Z", "ms": 1521712197571.9082 }, "end": { "local": "2018-03-22T12:37:58+02:00", "utc": "2018-03-22T10:37:58Z", "ms": 1521715077571.9082 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:59 on Wed 21 Mar to 10:22 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: 11:50–12:38 on the 21st, 11:50–12:38 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 40 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 499 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Pretoria, 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 Pretoria, Lakṣmī Pañcamī 2018 falls on Wednesday 21 March. Pañcamī runs from 11:59 on Wed 21 Mar to 10:22 on Thu 22 Mar and covers 40 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-03-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 499, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-03-20T13:20:36+02:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "end": { "local": "2018-03-21T11:58:35+02:00", "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": "2018-03-20T13:20:36+02:00", "utc": "2018-03-20T11:20:36Z", "ms": 1521544835724.568 }, "end": { "local": "2018-03-21T11:58:35+02:00", "utc": "2018-03-21T09:58:35Z", "ms": 1521626314837.9978 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-20", "window": { "start": { "local": "2018-03-20T11:50:33+02:00", "utc": "2018-03-20T09:50:33Z", "ms": 1521539433080.1313 }, "end": { "local": "2018-03-20T12:38:33+02:00", "utc": "2018-03-20T10:38:33Z", "ms": 1521542313080.1313 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-21", "window": { "start": { "local": "2018-03-21T11:50:15+02:00", "utc": "2018-03-21T09:50:15Z", "ms": 1521625815386.1343 }, "end": { "local": "2018-03-21T12:38:15+02:00", "utc": "2018-03-21T10:38:15Z", "ms": 1521628695386.1343 } }, "covered_min": 8, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:21 on Tue 20 Mar to 11:59 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: 11:51–12:39 on the 20th, 11:50–12:38 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 8 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 499 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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": "boundary" } ], "quote": "In Pretoria, Vināyaka Caturthī 2018 falls on Wednesday 21 March. Caturthī runs from 13:21 on Tue 20 Mar to 11:59 on Wed 21 Mar and covers 8 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18788, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-03-24T06:36:14+02:00", "utc": "2018-03-24T04:36:14Z", "ms": 1521866174113.8967 }, "end": { "local": "2018-03-25T04:32:42+02:00", "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": "2018-03-24T06:36:14+02:00", "utc": "2018-03-24T04:36:14Z", "ms": 1521866174113.8967 }, "end": { "local": "2018-03-25T04:32:42+02:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-24", "window": { "start": { "local": "2018-03-24T11:49:22+02:00", "utc": "2018-03-24T09:49:22Z", "ms": 1521884961654.3557 }, "end": { "local": "2018-03-24T12:37:22+02:00", "utc": "2018-03-24T10:37:22Z", "ms": 1521887841654.3557 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-25", "window": { "start": { "local": "2018-03-25T11:49:04+02:00", "utc": "2018-03-25T09:49:04Z", "ms": 1521971343588.8706 }, "end": { "local": "2018-03-25T12:37:04+02:00", "utc": "2018-03-25T10:37:04Z", "ms": 1521974223588.8706 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:36 on Sat 24 Mar to 04:33 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: 11:49–12:37 on the 24th, 11:49–12:37 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 18788 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Pretoria, 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 Pretoria, Bhavānī Utpatti 2018 falls on Saturday 24 March. Aṣṭamī runs from 06:36 on Sat 24 Mar to 04:33 on Sun 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26182, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-03-25T04:32:42+02:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "end": { "local": "2018-03-26T02:24:26+02:00", "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": "2018-03-25T04:32:42+02:00", "utc": "2018-03-25T02:32:42Z", "ms": 1521945161961.511 }, "end": { "local": "2018-03-26T02:24:26+02:00", "utc": "2018-03-26T00:24:26Z", "ms": 1522023865953.7659 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-25", "window": { "start": { "local": "2018-03-25T11:49:04+02:00", "utc": "2018-03-25T09:49:04Z", "ms": 1521971343588.8706 }, "end": { "local": "2018-03-25T12:37:04+02:00", "utc": "2018-03-25T10:37:04Z", "ms": 1521974223588.8706 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-03-26", "window": { "start": { "local": "2018-03-26T11:48:45+02:00", "utc": "2018-03-26T09:48:45Z", "ms": 1522057725479.065 }, "end": { "local": "2018-03-26T12:36:45+02:00", "utc": "2018-03-26T10:36:45Z", "ms": 1522060605479.065 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 04:33 on Sun 25 Mar to 02:24 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: 11:49–12:37 on the 25th, 11:49–12:37 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 26182 s" }, { "step": "ruling", "text": "Rāma Navamī, Pretoria, 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 Pretoria, Rāma Navamī 2018 falls on Sunday 25 March. Navamī runs from 04:33 on Sun 25 Mar to 02:24 on Mon 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-03-27", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21650, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-03-27T00:13:22+02:00", "utc": "2018-03-26T22:13:22Z", "ms": 1522102401600.8262 }, "end": { "local": "2018-03-27T22:01:58+02:00", "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": "2018-03-27T00:13:22+02:00", "utc": "2018-03-26T22:13:22Z", "ms": 1522102401600.8262 }, "end": { "local": "2018-03-27T22:01:58+02:00", "utc": "2018-03-27T20:01:58Z", "ms": 1522180917921.2026 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-03-27", "window": { "start": { "local": "2018-03-27T06:14:11+02:00", "utc": "2018-03-27T04:14:11Z", "ms": 1522124051250.6948 }, "end": { "local": "2018-03-27T06:14:11+02:00", "utc": "2018-03-27T04:14:11Z", "ms": 1522124051250.6948 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T06:14:38+02:00", "utc": "2018-03-28T04:14:38Z", "ms": 1522210478374.7046 }, "end": { "local": "2018-03-28T06:14:38+02:00", "utc": "2018-03-28T04:14:38Z", "ms": 1522210478374.7046 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:13 on Tue 27 Mar to 22:02 on Tue 27 Mar.", "fact": "2018-03-26T22:13:22Z → 2018-03-27T20:01:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 27th and 06:15 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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 21650 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Pretoria, 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 Pretoria, Kāmadā Ekādaśī 2018 falls on Tuesday 27 March. Ekādaśī runs from 00:13 on Tue 27 Mar to 22:02 on Tue 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-03-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-28", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 435, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-28T19:53:38+02:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T17:52:50+02:00", "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": "2018-03-28T19:53:38+02:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T17:52:50+02:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T18:09:40+02:00", "utc": "2018-03-28T16:09:40Z", "ms": 1522253380051.1394 }, "end": { "local": "2018-03-28T19:46:23+02:00", "utc": "2018-03-28T17:46:23Z", "ms": 1522259183433.914 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T18:08:37+02:00", "utc": "2018-03-29T16:08:37Z", "ms": 1522339716782.0754 }, "end": { "local": "2018-03-29T19:45:32+02:00", "utc": "2018-03-29T17:45:32Z", "ms": 1522345532199.1199 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:54 on Wed 28 Mar to 17:53 on Thu 29 Mar.", "fact": "2018-03-28T17:53:38Z → 2018-03-29T15:52:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:46 on the 28th, 18:09–19:46 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 97 minutes on the 28th and 0 of 97 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 435 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Wednesday 28 March. Trayodaśī runs from 19:54 on Wed 28 Mar to 17:53 on Thu 29 Mar, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19019, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-03-28T19:53:38+02:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T17:52:50+02:00", "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": "2018-03-28T19:53:38+02:00", "utc": "2018-03-28T17:53:38Z", "ms": 1522259618014.973 }, "end": { "local": "2018-03-29T17:52:50+02:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-28", "window": { "start": { "local": "2018-03-28T11:48:09+02:00", "utc": "2018-03-28T09:48:09Z", "ms": 1522230489212.9219 }, "end": { "local": "2018-03-28T12:36:09+02:00", "utc": "2018-03-28T10:36:09Z", "ms": 1522233369212.9219 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T11:47:51+02:00", "utc": "2018-03-29T09:47:51Z", "ms": 1522316871102.0127 }, "end": { "local": "2018-03-29T12:35:51+02:00", "utc": "2018-03-29T10:35:51Z", "ms": 1522319751102.0127 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:54 on Wed 28 Mar to 17:53 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: 11:48–12:36 on the 28th, 11:48–12:36 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 19019 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Pretoria, 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 Pretoria, Anaṅga Trayodaśī 2018 falls on Thursday 29 March. Trayodaśī runs from 19:54 on Wed 28 Mar to 17:53 on Thu 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12574, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-03-29T17:52:50+02:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "end": { "local": "2018-03-30T16:05:07+02:00", "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": "2018-03-29T17:52:50+02:00", "utc": "2018-03-29T15:52:50Z", "ms": 1522338770097.7295 }, "end": { "local": "2018-03-30T16:05:07+02:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-29", "window": { "start": { "local": "2018-03-29T11:47:51+02:00", "utc": "2018-03-29T09:47:51Z", "ms": 1522316871102.0127 }, "end": { "local": "2018-03-29T12:35:51+02:00", "utc": "2018-03-29T10:35:51Z", "ms": 1522319751102.0127 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-30", "window": { "start": { "local": "2018-03-30T11:47:33+02:00", "utc": "2018-03-30T09:47:33Z", "ms": 1522403253037.2268 }, "end": { "local": "2018-03-30T12:35:33+02:00", "utc": "2018-03-30T10:35:33Z", "ms": 1522406133037.2268 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:53 on Thu 29 Mar to 16:05 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: 11:48–12:36 on the 29th, 11:48–12:36 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 12574 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Pretoria, 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 Pretoria, Viṣṇudamanaka Caturdaśī 2018 falls on Friday 30 March. Caturdaśī runs from 17:53 on Thu 29 Mar to 16:05 on Fri 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7296, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-03-30T16:05:07+02:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "end": { "local": "2018-03-31T14:36:51+02:00", "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": "2018-03-30T16:05:07+02:00", "utc": "2018-03-30T14:05:07Z", "ms": 1522418706652.5737 }, "end": { "local": "2018-03-31T14:36:51+02:00", "utc": "2018-03-31T12:36:51Z", "ms": 1522499810602.4788 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-03-30", "window": { "start": { "local": "2018-03-30T11:47:33+02:00", "utc": "2018-03-30T09:47:33Z", "ms": 1522403253037.2268 }, "end": { "local": "2018-03-30T12:35:33+02:00", "utc": "2018-03-30T10:35:33Z", "ms": 1522406133037.2268 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-03-31", "window": { "start": { "local": "2018-03-31T11:47:15+02:00", "utc": "2018-03-31T09:47:15Z", "ms": 1522489635042.4253 }, "end": { "local": "2018-03-31T12:35:15+02:00", "utc": "2018-03-31T10:35:15Z", "ms": 1522492515042.4253 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:05 on Fri 30 Mar to 14:37 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: 11:48–12:36 on the 30th, 11:47–12:35 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 7296 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Pretoria, 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 Pretoria, Caitrī Pūrṇimā 2018 falls on Saturday 31 March. Pūrṇimā runs from 16:05 on Fri 30 Mar to 14:37 on Sat 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-04-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25308, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-04-03T13:13:50+02:00", "utc": "2018-04-03T11:13:50Z", "ms": 1522754029994.8984 }, "end": { "local": "2018-04-04T14:02:47+02:00", "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": "2018-04-03T13:13:50+02:00", "utc": "2018-04-03T11:13:50Z", "ms": 1522754029994.8984 }, "end": { "local": "2018-04-04T14:02:47+02:00", "utc": "2018-04-04T12:02:47Z", "ms": 1522843367219.3318 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-04-03", "window": { "start": { "local": "2018-04-03T20:23:09+02:00", "utc": "2018-04-03T18:23:09Z", "ms": 1522779789104.0366 }, "end": { "local": "2018-04-03T20:23:09+02:00", "utc": "2018-04-03T18:23:09Z", "ms": 1522779789104.0366 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-04-04", "window": { "start": { "local": "2018-04-04T21:04:35+02:00", "utc": "2018-04-04T19:04:35Z", "ms": 1522868675372.9028 }, "end": { "local": "2018-04-04T21:04:35+02:00", "utc": "2018-04-04T19:04:35Z", "ms": 1522868675372.9028 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:14 on Tue 3 Apr to 14:03 on Wed 4 Apr.", "fact": "2018-04-03T11:13:50Z → 2018-04-04T12:02:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:23 on the 3rd and 21:05 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 25308 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 3 April. Caturthī runs from 13:14 on Tue 3 Apr to 14:03 on Wed 4 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-04-11", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5894, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-04-11T03:10:40+02:00", "utc": "2018-04-11T01:10:40Z", "ms": 1523409040078.2864 }, "end": { "local": "2018-04-12T04:43:11+02:00", "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": "2018-04-11T03:10:40+02:00", "utc": "2018-04-11T01:10:40Z", "ms": 1523409040078.2864 }, "end": { "local": "2018-04-12T04:43:11+02:00", "utc": "2018-04-12T02:43:11Z", "ms": 1523500990643.2297 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-04-11", "window": { "start": { "local": "2018-04-11T06:20:58+02:00", "utc": "2018-04-11T04:20:58Z", "ms": 1523420457550.1328 }, "end": { "local": "2018-04-11T06:20:58+02:00", "utc": "2018-04-11T04:20:58Z", "ms": 1523420457550.1328 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-04-12", "window": { "start": { "local": "2018-04-12T06:21:25+02:00", "utc": "2018-04-12T04:21:25Z", "ms": 1523506885139.201 }, "end": { "local": "2018-04-12T06:21:25+02:00", "utc": "2018-04-12T04:21:25Z", "ms": 1523506885139.201 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:11 on Wed 11 Apr to 04:43 on Thu 12 Apr.", "fact": "2018-04-11T01:10:40Z → 2018-04-12T02:43:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 11th and 06:21 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 5894 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Pretoria, 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 Pretoria, Varūthinī Ekādaśī 2018 falls on Wednesday 11 April. Ekādaśī runs from 03:11 on Wed 11 Apr to 04:43 on Thu 12 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5966, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2018-04-14T04:42:55+02:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 }, "end": { "local": "2018-05-15T01:33:16+02:00", "utc": "2018-05-14T23:33:16Z", "ms": 1526340795624.5295 } }, "span": { "of": "transit", "start": { "local": "2018-04-14T04:42:55+02:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 }, "end": { "local": "2018-04-14T04:42:55+02:00", "utc": "2018-04-14T02:42:55Z", "ms": 1523673774781.6465 } }, "kaala": "day", "days": [ { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T06:21:53+02:00", "utc": "2018-04-13T04:21:53Z", "ms": 1523593312845.9111 }, "end": { "local": "2018-04-14T06:22:21+02:00", "utc": "2018-04-14T04:22:21Z", "ms": 1523679740675.149 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2018-04-14", "window": { "start": { "local": "2018-04-14T06:22:21+02:00", "utc": "2018-04-14T04:22:21Z", "ms": 1523679740675.149 }, "end": { "local": "2018-04-15T06:22:49+02:00", "utc": "2018-04-15T04:22:49Z", "ms": 1523766168630.574 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 04:43 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 06:22 on the 13th, and from 06:22 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 5966 s" }, { "step": "ruling", "text": "Vaiśākhī, Pretoria, 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 Pretoria, Vaiśākhī 2018 falls on Friday 13 April. The Sun enters Meṣa at 04:43 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/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-04-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36021, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-04-13T05:34:21+02:00", "utc": "2018-04-13T03:34:21Z", "ms": 1523590460980.756 }, "end": { "local": "2018-04-14T05:41:53+02:00", "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": "2018-04-13T05:34:21+02:00", "utc": "2018-04-13T03:34:21Z", "ms": 1523590460980.756 }, "end": { "local": "2018-04-14T05:41:53+02:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-12", "window": { "start": { "local": "2018-04-12T17:54:20+02:00", "utc": "2018-04-12T15:54:20Z", "ms": 1523548459899.914 }, "end": { "local": "2018-04-12T19:34:00+02:00", "utc": "2018-04-12T17:34:00Z", "ms": 1523554440292.7136 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T17:53:22+02:00", "utc": "2018-04-13T15:53:22Z", "ms": 1523634801826.1091 }, "end": { "local": "2018-04-13T19:33:14+02:00", "utc": "2018-04-13T17:33:14Z", "ms": 1523640793672.6477 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:34 on Fri 13 Apr to 05:42 on Sat 14 Apr.", "fact": "2018-04-13T03:34:21Z → 2018-04-14T03:41:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:34 on the 12th, 17:53–19:33 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 12th and 100 of 100 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36021 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 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 Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 13 April. Trayodaśī runs from 05:34 on Fri 13 Apr to 05:42 on Sat 14 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-04-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16569, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-04-14T05:41:53+02:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "end": { "local": "2018-04-15T05:07:46+02:00", "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": "2018-04-14T05:41:53+02:00", "utc": "2018-04-14T03:41:53Z", "ms": 1523677313001.8271 }, "end": { "local": "2018-04-15T05:07:46+02:00", "utc": "2018-04-15T03:07:46Z", "ms": 1523761665861.241 } }, "kaala": "nishita", "days": [ { "local_date": "2018-04-13", "window": { "start": { "local": "2018-04-13T23:43:51+02:00", "utc": "2018-04-13T21:43:51Z", "ms": 1523655831250.629 }, "end": { "local": "2018-04-14T00:31:51+02:00", "utc": "2018-04-13T22:31:51Z", "ms": 1523658711250.629 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-14", "window": { "start": { "local": "2018-04-14T23:43:36+02:00", "utc": "2018-04-14T21:43:36Z", "ms": 1523742216465.2168 }, "end": { "local": "2018-04-15T00:31:36+02:00", "utc": "2018-04-14T22:31:36Z", "ms": 1523745096465.2168 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:42 on Sat 14 Apr to 05:08 on Sun 15 Apr.", "fact": "2018-04-14T03:41:53Z → 2018-04-15T03:07:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 13th, 23:44–00:32 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 16569 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Saturday 14 April. Caturdaśī runs from 05:42 on Sat 14 Apr to 05:08 on Sun 15 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22133, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-04-18T00:15:20+02:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T21:59:58+02:00", "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": "2018-04-18T00:15:20+02:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T21:59:58+02:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T06:24:13+02:00", "utc": "2018-04-18T04:24:13Z", "ms": 1524025453272.6865 }, "end": { "local": "2018-04-18T10:12:22+02:00", "utc": "2018-04-18T08:12:22Z", "ms": 1524039142212.6194 } }, "covered_min": 228, "window_min": 228, "qualifies": true }, { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T06:24:42+02:00", "utc": "2018-04-19T04:24:42Z", "ms": 1524111881746.534 }, "end": { "local": "2018-04-19T10:12:23+02:00", "utc": "2018-04-19T08:12:23Z", "ms": 1524125543036.5796 } }, "covered_min": 0, "window_min": 228, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:15 on Wed 18 Apr to 22:00 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: 06:24–10:12 on the 18th, 06:25–10:12 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 228 of 228 minutes on the 18th and 0 of 228 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 22133 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Pretoria, 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 Pretoria, Akṣaya Tṛtīyā 2018 falls on Wednesday 18 April. Tṛtīyā runs from 00:15 on Wed 18 Apr to 22:00 on Wed 18 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9030, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-04-18T00:15:20+02:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T21:59:58+02:00", "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": "2018-04-18T00:15:20+02:00", "utc": "2018-04-17T22:15:20Z", "ms": 1524003320050.7146 }, "end": { "local": "2018-04-18T21:59:58+02:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-17", "window": { "start": { "local": "2018-04-17T17:49:35+02:00", "utc": "2018-04-17T15:49:35Z", "ms": 1523980175218.8542 }, "end": { "local": "2018-04-17T19:30:12+02:00", "utc": "2018-04-17T17:30:12Z", "ms": 1523986212292.6985 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T17:48:40+02:00", "utc": "2018-04-18T15:48:40Z", "ms": 1524066520092.4854 }, "end": { "local": "2018-04-18T19:29:28+02:00", "utc": "2018-04-18T17:29:28Z", "ms": 1524072568313.0251 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:15 on Wed 18 Apr to 22:00 on Wed 18 Apr.", "fact": "2018-04-17T22:15:20Z → 2018-04-18T19:59:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:30 on the 17th, 17:49–19:29 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 101 minutes on the 17th and 101 of 101 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 9030 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Pretoria, 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 Pretoria, Paraśurāma Jayantī 2018 falls on Wednesday 18 April. Tṛtīyā runs from 00:15 on Wed 18 Apr to 22:00 on Wed 18 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-04-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25674, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-04-18T21:59:58+02:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "end": { "local": "2018-04-19T19:38:07+02:00", "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": "2018-04-18T21:59:58+02:00", "utc": "2018-04-18T19:59:58Z", "ms": 1524081598118.337 }, "end": { "local": "2018-04-19T19:38:07+02:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-18", "window": { "start": { "local": "2018-04-18T11:42:27+02:00", "utc": "2018-04-18T09:42:27Z", "ms": 1524044546682.586 }, "end": { "local": "2018-04-18T12:30:27+02:00", "utc": "2018-04-18T10:30:27Z", "ms": 1524047426682.586 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T11:42:14+02:00", "utc": "2018-04-19T09:42:14Z", "ms": 1524130933681.6023 }, "end": { "local": "2018-04-19T12:30:14+02:00", "utc": "2018-04-19T10:30:14Z", "ms": 1524133813681.6023 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:00 on Wed 18 Apr to 19:38 on Thu 19 Apr.", "fact": "2018-04-18T19:59:58Z → 2018-04-19T17:38:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 18th, 11:42–12:30 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 25674 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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 Pretoria, Vināyaka Caturthī 2018 falls on Thursday 19 April. Caturthī runs from 22:00 on Wed 18 Apr to 19:38 on Thu 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17151, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-04-19T19:38:07+02:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "end": { "local": "2018-04-20T17:15:52+02:00", "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": "2018-04-19T19:38:07+02:00", "utc": "2018-04-19T17:38:07Z", "ms": 1524159487259.8992 }, "end": { "local": "2018-04-20T17:15:52+02:00", "utc": "2018-04-20T15:15:52Z", "ms": 1524237351761.3696 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-19", "window": { "start": { "local": "2018-04-19T11:42:14+02:00", "utc": "2018-04-19T09:42:14Z", "ms": 1524130933681.6023 }, "end": { "local": "2018-04-19T12:30:14+02:00", "utc": "2018-04-19T10:30:14Z", "ms": 1524133813681.6023 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-20", "window": { "start": { "local": "2018-04-20T11:42:01+02:00", "utc": "2018-04-20T09:42:01Z", "ms": 1524217321080.605 }, "end": { "local": "2018-04-20T12:30:01+02:00", "utc": "2018-04-20T10:30:01Z", "ms": 1524220201080.605 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:38 on Thu 19 Apr to 17:16 on Fri 20 Apr.", "fact": "2018-04-19T17:38:07Z → 2018-04-20T15:15:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 19th, 11:42–12:30 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 17151 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Pretoria, 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 Pretoria, Śaṅkara Jayantī 2018 falls on Friday 20 April. Pañcamī runs from 19:38 on Thu 19 Apr to 17:16 on Fri 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1065, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-04-21T14:57:52+02:00", "utc": "2018-04-21T12:57:52Z", "ms": 1524315472092.0146 }, "end": { "local": "2018-04-22T12:47:22+02:00", "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": "2018-04-21T14:57:52+02:00", "utc": "2018-04-21T12:57:52Z", "ms": 1524315472092.0146 }, "end": { "local": "2018-04-22T12:47:22+02:00", "utc": "2018-04-22T10:47:22Z", "ms": 1524394042025.2275 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-21", "window": { "start": { "local": "2018-04-21T11:41:49+02:00", "utc": "2018-04-21T09:41:49Z", "ms": 1524303708889.7554 }, "end": { "local": "2018-04-21T12:29:49+02:00", "utc": "2018-04-21T10:29:49Z", "ms": 1524306588889.7554 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-04-22", "window": { "start": { "local": "2018-04-22T11:41:37+02:00", "utc": "2018-04-22T09:41:37Z", "ms": 1524390097119.7615 }, "end": { "local": "2018-04-22T12:29:37+02:00", "utc": "2018-04-22T10:29:37Z", "ms": 1524392977119.7615 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:58 on Sat 21 Apr to 12:47 on Sun 22 Apr.", "fact": "2018-04-21T12:57:52Z → 2018-04-22T10:47:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 21st, 11:42–12:30 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 1065 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Pretoria, 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 Pretoria, Gaṅgotpatti (Ganga Saptami) 2018 falls on Sunday 22 April. Saptamī runs from 14:58 on Sat 21 Apr to 12:47 on Sun 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-04-25", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2278, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-04-25T07:16:46+02:00", "utc": "2018-04-25T05:16:46Z", "ms": 1524633405949.3176 }, "end": { "local": "2018-04-26T05:50:07+02:00", "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": "2018-04-25T07:16:46+02:00", "utc": "2018-04-25T05:16:46Z", "ms": 1524633405949.3176 }, "end": { "local": "2018-04-26T05:50:07+02:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-04-25", "window": { "start": { "local": "2018-04-25T06:27:35+02:00", "utc": "2018-04-25T04:27:35Z", "ms": 1524630455280.5244 }, "end": { "local": "2018-04-25T06:27:35+02:00", "utc": "2018-04-25T04:27:35Z", "ms": 1524630455280.5244 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T06:28:05+02:00", "utc": "2018-04-26T04:28:05Z", "ms": 1524716884655.461 }, "end": { "local": "2018-04-26T06:28:05+02:00", "utc": "2018-04-26T04:28:05Z", "ms": 1524716884655.461 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:17 on Wed 25 Apr to 05:50 on Thu 26 Apr.", "fact": "2018-04-25T05:16:46Z → 2018-04-26T03:50:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:28 on the 25th and 06:28 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 not on the 26th.", "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 2278 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Pretoria, 2018: Wednesday 25 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": "2018-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-04-25", "confidence": "determinate" } ], "quote": "In Pretoria, Mohinī Ekādaśī 2018 falls on Wednesday 25 April. Ekādaśī runs from 07:17 on Wed 25 Apr to 05:50 on Thu 26 Apr, and is current at sunrise on neither day.", "cite": "https://ahargana.org/pretoria/festivals/2018/ekadashi?on=2018-04-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/pretoria/festivals/2018/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21048, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-04-26T05:50:07+02:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T04:37:42+02:00", "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": "2018-04-26T05:50:07+02:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T04:37:42+02:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T11:40:54+02:00", "utc": "2018-04-26T09:40:54Z", "ms": 1524735654485.8157 }, "end": { "local": "2018-04-26T12:28:54+02:00", "utc": "2018-04-26T10:28:54Z", "ms": 1524738534485.8157 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T11:40:45+02:00", "utc": "2018-04-27T09:40:45Z", "ms": 1524822045003.0063 }, "end": { "local": "2018-04-27T12:28:45+02:00", "utc": "2018-04-27T10:28:45Z", "ms": 1524824925003.0063 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:50 on Thu 26 Apr to 04:38 on Fri 27 Apr.", "fact": "2018-04-26T03:50:07Z → 2018-04-27T02:37:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 26th, 11:41–12:29 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 21048 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Pretoria, 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 Pretoria, Paraśurāma Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 05:50 on Thu 26 Apr to 04:38 on Fri 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21048, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-04-26T05:50:07+02:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T04:37:42+02:00", "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": "2018-04-26T05:50:07+02:00", "utc": "2018-04-26T03:50:07Z", "ms": 1524714606619.169 }, "end": { "local": "2018-04-27T04:37:42+02:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T11:40:54+02:00", "utc": "2018-04-26T09:40:54Z", "ms": 1524735654485.8157 }, "end": { "local": "2018-04-26T12:28:54+02:00", "utc": "2018-04-26T10:28:54Z", "ms": 1524738534485.8157 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T11:40:45+02:00", "utc": "2018-04-27T09:40:45Z", "ms": 1524822045003.0063 }, "end": { "local": "2018-04-27T12:28:45+02:00", "utc": "2018-04-27T10:28:45Z", "ms": 1524824925003.0063 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:50 on Thu 26 Apr to 04:38 on Fri 27 Apr.", "fact": "2018-04-26T03:50:07Z → 2018-04-27T02:37:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 26th, 11:41–12:29 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 21048 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Pretoria, 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 Pretoria, Rukmiṇī Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 05:50 on Thu 26 Apr to 04:38 on Fri 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-04-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29939, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-04-27T04:37:42+02:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "end": { "local": "2018-04-28T03:42:20+02:00", "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": "2018-04-27T04:37:42+02:00", "utc": "2018-04-27T02:37:42Z", "ms": 1524796662078.6052 }, "end": { "local": "2018-04-28T03:42:20+02:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-26", "window": { "start": { "local": "2018-04-26T17:41:44+02:00", "utc": "2018-04-26T15:41:44Z", "ms": 1524757304316.1704 }, "end": { "local": "2018-04-26T19:23:59+02:00", "utc": "2018-04-26T17:23:59Z", "ms": 1524763438962.6064 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T17:40:56+02:00", "utc": "2018-04-27T15:40:56Z", "ms": 1524843655841.571 }, "end": { "local": "2018-04-27T19:23:21+02:00", "utc": "2018-04-27T17:23:21Z", "ms": 1524849800904.0151 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:38 on Fri 27 Apr to 03:42 on Sat 28 Apr.", "fact": "2018-04-27T02:37:42Z → 2018-04-28T01:42:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:24 on the 26th, 17:41–19:23 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 102 minutes on the 26th and 102 of 102 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 29939 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Friday 27 April. Trayodaśī runs from 04:38 on Fri 27 Apr to 03:42 on Sat 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27900, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-04-28T03:42:20+02:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "end": { "local": "2018-04-29T03:07:43+02:00", "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": "2018-04-28T03:42:20+02:00", "utc": "2018-04-28T01:42:20Z", "ms": 1524879739788.754 }, "end": { "local": "2018-04-29T03:07:43+02:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-04-27", "window": { "start": { "local": "2018-04-27T17:40:56+02:00", "utc": "2018-04-27T15:40:56Z", "ms": 1524843655841.571 }, "end": { "local": "2018-04-27T19:23:21+02:00", "utc": "2018-04-27T17:23:21Z", "ms": 1524849800904.0151 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2018-04-28", "window": { "start": { "local": "2018-04-28T17:40:08+02:00", "utc": "2018-04-28T15:40:08Z", "ms": 1524930008224.1787 }, "end": { "local": "2018-04-28T19:22:44+02:00", "utc": "2018-04-28T17:22:44Z", "ms": 1524936163606.8162 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:42 on Sat 28 Apr to 03:08 on Sun 29 Apr.", "fact": "2018-04-28T01:42:20Z → 2018-04-29T01:07:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:23 on the 27th, 17:40–19:23 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 102 minutes on the 27th and 103 of 103 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 27900 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Pretoria, 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 Pretoria, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2018 falls on Saturday 28 April. Caturdaśī runs from 03:42 on Sat 28 Apr to 03:08 on Sun 29 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30764, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-04-29T03:07:43+02:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T02:58:11+02:00", "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": "2018-04-29T03:07:43+02:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T02:58:11+02:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-29", "window": { "start": { "local": "2018-04-29T11:40:28+02:00", "utc": "2018-04-29T09:40:28Z", "ms": 1524994827540.9707 }, "end": { "local": "2018-04-29T12:28:28+02:00", "utc": "2018-04-29T10:28:28Z", "ms": 1524997707540.9707 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-30", "window": { "start": { "local": "2018-04-30T11:40:20+02:00", "utc": "2018-04-30T09:40:20Z", "ms": 1525081219587.308 }, "end": { "local": "2018-04-30T12:28:20+02:00", "utc": "2018-04-30T10:28:20Z", "ms": 1525084099587.308 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Sun 29 Apr to 02:58 on Mon 30 Apr.", "fact": "2018-04-29T01:07:43Z → 2018-04-30T00:58:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 29th, 11:40–12:28 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 30764 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Pretoria, 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 Pretoria, Buddha Pūrṇimā 2018 falls on Sunday 29 April. Pūrṇimā runs from 03:08 on Sun 29 Apr to 02:58 on Mon 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30764, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-04-29T03:07:43+02:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T02:58:11+02:00", "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": "2018-04-29T03:07:43+02:00", "utc": "2018-04-29T01:07:43Z", "ms": 1524964063447.1272 }, "end": { "local": "2018-04-30T02:58:11+02:00", "utc": "2018-04-30T00:58:11Z", "ms": 1525049891091.6833 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-04-29", "window": { "start": { "local": "2018-04-29T11:40:28+02:00", "utc": "2018-04-29T09:40:28Z", "ms": 1524994827540.9707 }, "end": { "local": "2018-04-29T12:28:28+02:00", "utc": "2018-04-29T10:28:28Z", "ms": 1524997707540.9707 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-04-30", "window": { "start": { "local": "2018-04-30T11:40:20+02:00", "utc": "2018-04-30T09:40:20Z", "ms": 1525081219587.308 }, "end": { "local": "2018-04-30T12:28:20+02:00", "utc": "2018-04-30T10:28:20Z", "ms": 1525084099587.308 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Sun 29 Apr to 02:58 on Mon 30 Apr.", "fact": "2018-04-29T01:07:43Z → 2018-04-30T00:58:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 29th, 11:40–12:28 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 30764 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Pretoria, 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 Pretoria, Sampat Gaurī Vrata 2018 falls on Sunday 29 April. Pūrṇimā runs from 03:08 on Sun 29 Apr to 02:58 on Mon 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-05-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35655, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-05-03T05:35:28+02:00", "utc": "2018-05-03T03:35:28Z", "ms": 1525318527916.3647 }, "end": { "local": "2018-05-04T07:31:45+02:00", "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": "2018-05-03T05:35:28+02:00", "utc": "2018-05-03T03:35:28Z", "ms": 1525318527916.3647 }, "end": { "local": "2018-05-04T07:31:45+02:00", "utc": "2018-05-04T05:31:45Z", "ms": 1525411905219.4832 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-05-02", "window": { "start": { "local": "2018-05-02T19:41:13+02:00", "utc": "2018-05-02T17:41:13Z", "ms": 1525282872552.409 }, "end": { "local": "2018-05-02T19:41:13+02:00", "utc": "2018-05-02T17:41:13Z", "ms": 1525282872552.409 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-05-03", "window": { "start": { "local": "2018-05-03T20:26:11+02:00", "utc": "2018-05-03T18:26:11Z", "ms": 1525371971163.5383 }, "end": { "local": "2018-05-03T20:26:11+02:00", "utc": "2018-05-03T18:26:11Z", "ms": 1525371971163.5383 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:35 on Thu 3 May to 07:32 on Fri 4 May.", "fact": "2018-05-03T03:35:28Z → 2018-05-04T05:31:45Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 2nd and 20:26 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 35655 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Thursday 3 May. Caturthī runs from 05:35 on Thu 3 May to 07:32 on Fri 4 May and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-05-11", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37456, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-05-10T19:58:25+02:00", "utc": "2018-05-10T17:58:25Z", "ms": 1525975104732.321 }, "end": { "local": "2018-05-11T20:11:56+02:00", "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": "2018-05-10T19:58:25+02:00", "utc": "2018-05-10T17:58:25Z", "ms": 1525975104732.321 }, "end": { "local": "2018-05-11T20:11:56+02:00", "utc": "2018-05-11T18:11:56Z", "ms": 1526062316038.8489 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-05-11", "window": { "start": { "local": "2018-05-11T06:35:41+02:00", "utc": "2018-05-11T04:35:41Z", "ms": 1526013341087.647 }, "end": { "local": "2018-05-11T06:35:41+02:00", "utc": "2018-05-11T04:35:41Z", "ms": 1526013341087.647 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-05-12", "window": { "start": { "local": "2018-05-12T06:36:12+02:00", "utc": "2018-05-12T04:36:12Z", "ms": 1526099772336.1199 }, "end": { "local": "2018-05-12T06:36:12+02:00", "utc": "2018-05-12T04:36:12Z", "ms": 1526099772336.1199 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:58 on Thu 10 May to 20:12 on Fri 11 May.", "fact": "2018-05-10T17:58:25Z → 2018-05-11T18:11:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:36 on the 11th and 06:36 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 37456 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Pretoria, 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 Pretoria, Aparā Ekādaśī 2018 falls on Friday 11 May. Ekādaśī runs from 19:58 on Thu 10 May to 20:12 on Fri 11 May and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-05-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1267, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-05-12T19:36:39+02:00", "utc": "2018-05-12T17:36:39Z", "ms": 1526146599072.2808 }, "end": { "local": "2018-05-13T18:16:06+02:00", "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": "2018-05-12T19:36:39+02:00", "utc": "2018-05-12T17:36:39Z", "ms": 1526146599072.2808 }, "end": { "local": "2018-05-13T18:16:06+02:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-05-12", "window": { "start": { "local": "2018-05-12T17:30:44+02:00", "utc": "2018-05-12T15:30:44Z", "ms": 1526139043881.7632 }, "end": { "local": "2018-05-12T19:15:32+02:00", "utc": "2018-05-12T17:15:32Z", "ms": 1526145331847.0908 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2018-05-13", "window": { "start": { "local": "2018-05-13T17:30:12+02:00", "utc": "2018-05-13T15:30:12Z", "ms": 1526225411621.0588 }, "end": { "local": "2018-05-13T19:15:08+02:00", "utc": "2018-05-13T17:15:08Z", "ms": 1526231708061.6821 } }, "covered_min": 46, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:37 on Sat 12 May to 18:16 on Sun 13 May.", "fact": "2018-05-12T17:36:39Z → 2018-05-13T16:16:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:31–19:16 on the 12th, 17:30–19:15 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 105 minutes on the 12th and 46 of 105 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 1267 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 2018: Sunday 13 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-05-13", "confidence": "boundary" } ], "quote": "In Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Sunday 13 May. Trayodaśī runs from 19:37 on Sat 12 May to 18:16 on Sun 13 May and covers 46 of 105 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/festivals/2018/pradosha-vrata?on=2018-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/pretoria/festivals/2018/shivaratri?on=2018-05-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19417, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-05-13T18:16:06+02:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "end": { "local": "2018-05-14T16:16:56+02:00", "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": "2018-05-13T18:16:06+02:00", "utc": "2018-05-13T16:16:06Z", "ms": 1526228165893.2778 }, "end": { "local": "2018-05-14T16:16:56+02:00", "utc": "2018-05-14T14:16:56Z", "ms": 1526307416468.5112 } }, "kaala": "nishita", "days": [ { "local_date": "2018-05-13", "window": { "start": { "local": "2018-05-13T23:39:43+02:00", "utc": "2018-05-13T21:39:43Z", "ms": 1526247583273.3962 }, "end": { "local": "2018-05-14T00:27:43+02:00", "utc": "2018-05-13T22:27:43Z", "ms": 1526250463273.3962 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-05-14", "window": { "start": { "local": "2018-05-14T23:39:43+02:00", "utc": "2018-05-14T21:39:43Z", "ms": 1526333983368.1487 }, "end": { "local": "2018-05-15T00:27:43+02:00", "utc": "2018-05-14T22:27:43Z", "ms": 1526336863368.1487 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:16 on Sun 13 May to 16:17 on Mon 14 May.", "fact": "2018-05-13T16:16:06Z → 2018-05-14T14:16:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 13th, 23:40–00:28 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 19417 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Sunday 13 May. Caturdaśī runs from 18:16 on Sun 13 May to 16:17 on Mon 14 May and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-05-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24288, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-05-18T04:54:46+02:00", "utc": "2018-05-18T02:54:46Z", "ms": 1526612085731.9487 }, "end": { "local": "2018-05-19T01:58:10+02:00", "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": "2018-05-18T04:54:46+02:00", "utc": "2018-05-18T02:54:46Z", "ms": 1526612085731.9487 }, "end": { "local": "2018-05-19T01:58:10+02:00", "utc": "2018-05-18T23:58:10Z", "ms": 1526687890487.199 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-05-18", "window": { "start": { "local": "2018-05-18T11:39:34+02:00", "utc": "2018-05-18T09:39:34Z", "ms": 1526636373788.758 }, "end": { "local": "2018-05-18T12:27:34+02:00", "utc": "2018-05-18T10:27:34Z", "ms": 1526639253788.758 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-05-19", "window": { "start": { "local": "2018-05-19T11:39:37+02:00", "utc": "2018-05-19T09:39:37Z", "ms": 1526722776682.6196 }, "end": { "local": "2018-05-19T12:27:37+02:00", "utc": "2018-05-19T10:27:37Z", "ms": 1526725656682.6196 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:55 on Fri 18 May to 01:58 on Sat 19 May.", "fact": "2018-05-18T02:54:46Z → 2018-05-18T23:58:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 18th, 11:40–12:28 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 24288 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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 Pretoria, Vināyaka Caturthī 2018 falls on Friday 18 May. Caturthī runs from 04:55 on Fri 18 May to 01:58 on Sat 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-05-25", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27284, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-05-24T14:48:27+02:00", "utc": "2018-05-24T12:48:27Z", "ms": 1527166106521.2537 }, "end": { "local": "2018-05-25T14:17:38+02:00", "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": "2018-05-24T14:48:27+02:00", "utc": "2018-05-24T12:48:27Z", "ms": 1527166106521.2537 }, "end": { "local": "2018-05-25T14:17:38+02:00", "utc": "2018-05-25T12:17:38Z", "ms": 1527250658156.223 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-05-24", "window": { "start": { "local": "2018-05-24T06:42:24+02:00", "utc": "2018-05-24T04:42:24Z", "ms": 1527136943882.2195 }, "end": { "local": "2018-05-24T06:42:24+02:00", "utc": "2018-05-24T04:42:24Z", "ms": 1527136943882.2195 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-05-25", "window": { "start": { "local": "2018-05-25T06:42:54+02:00", "utc": "2018-05-25T04:42:54Z", "ms": 1527223373838.1484 }, "end": { "local": "2018-05-25T06:42:54+02:00", "utc": "2018-05-25T04:42:54Z", "ms": 1527223373838.1484 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:48 on Thu 24 May to 14:18 on Fri 25 May.", "fact": "2018-05-24T12:48:27Z → 2018-05-25T12:17:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 24th and 06:43 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 27284 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Pretoria, 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 Pretoria, Śukla Ekādaśī 2018 falls on Friday 25 May. Ekādaśī runs from 14:48 on Thu 24 May to 14:18 on Fri 25 May and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-05-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10606, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-05-26T14:10:36+02:00", "utc": "2018-05-26T12:10:36Z", "ms": 1527336636271.299 }, "end": { "local": "2018-05-27T14:27:57+02:00", "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": "2018-05-26T14:10:36+02:00", "utc": "2018-05-26T12:10:36Z", "ms": 1527336636271.299 }, "end": { "local": "2018-05-27T14:27:57+02:00", "utc": "2018-05-27T12:27:57Z", "ms": 1527424077088.1523 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-05-26", "window": { "start": { "local": "2018-05-26T17:24:59+02:00", "utc": "2018-05-26T15:24:59Z", "ms": 1527348299076.9749 }, "end": { "local": "2018-05-26T19:11:30+02:00", "utc": "2018-05-26T17:11:30Z", "ms": 1527354690259.288 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2018-05-27", "window": { "start": { "local": "2018-05-27T17:24:43+02:00", "utc": "2018-05-27T15:24:43Z", "ms": 1527434683460.6448 }, "end": { "local": "2018-05-27T19:11:21+02:00", "utc": "2018-05-27T17:11:21Z", "ms": 1527441080606.107 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:11 on Sat 26 May to 14:28 on Sun 27 May.", "fact": "2018-05-26T12:10:36Z → 2018-05-27T12:27:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:12 on the 26th, 17:25–19:11 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 107 of 107 minutes on the 26th and 0 of 107 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 10606 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Saturday 26 May. Trayodaśī runs from 14:11 on Sat 26 May to 14:28 on Sun 27 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-06-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8347, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-06-01T22:14:47+02:00", "utc": "2018-06-01T20:14:47Z", "ms": 1527884086632.2168 }, "end": { "local": "2018-06-03T00:47:43+02:00", "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": "2018-06-01T22:14:47+02:00", "utc": "2018-06-01T20:14:47Z", "ms": 1527884086632.2168 }, "end": { "local": "2018-06-03T00:47:43+02:00", "utc": "2018-06-02T22:47:43Z", "ms": 1527979663328.832 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-06-01", "window": { "start": { "local": "2018-06-01T19:55:40+02:00", "utc": "2018-06-01T17:55:40Z", "ms": 1527875739858.0542 }, "end": { "local": "2018-06-01T19:55:40+02:00", "utc": "2018-06-01T17:55:40Z", "ms": 1527875739858.0542 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-06-02", "window": { "start": { "local": "2018-06-02T20:45:44+02:00", "utc": "2018-06-02T18:45:44Z", "ms": 1527965144414.8833 }, "end": { "local": "2018-06-02T20:45:44+02:00", "utc": "2018-06-02T18:45:44Z", "ms": 1527965144414.8833 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:15 on Fri 1 Jun to 00:48 on Sun 3 Jun.", "fact": "2018-06-01T20:14:47Z → 2018-06-02T22:47:43Z" }, { "step": "kaala", "text": "Moonrise is at 19:56 on the 1st and 20:46 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 8347 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Saturday 2 June. Caturthī runs from 22:15 on Fri 1 Jun to 00:48 on Sun 3 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-06-10", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5677, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-06-09T09:29:06+02:00", "utc": "2018-06-09T07:29:06Z", "ms": 1528529346079.7083 }, "end": { "local": "2018-06-10T08:24:38+02:00", "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": "2018-06-09T09:29:06+02:00", "utc": "2018-06-09T07:29:06Z", "ms": 1528529346079.7083 }, "end": { "local": "2018-06-10T08:24:38+02:00", "utc": "2018-06-10T06:24:38Z", "ms": 1528611878464.843 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-06-09", "window": { "start": { "local": "2018-06-09T06:49:39+02:00", "utc": "2018-06-09T04:49:39Z", "ms": 1528519778957.5017 }, "end": { "local": "2018-06-09T06:49:39+02:00", "utc": "2018-06-09T04:49:39Z", "ms": 1528519778957.5017 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-06-10", "window": { "start": { "local": "2018-06-10T06:50:02+02:00", "utc": "2018-06-10T04:50:02Z", "ms": 1528606201874.3206 }, "end": { "local": "2018-06-10T06:50:02+02:00", "utc": "2018-06-10T04:50:02Z", "ms": 1528606201874.3206 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:29 on Sat 9 Jun to 08:25 on Sun 10 Jun.", "fact": "2018-06-09T07:29:06Z → 2018-06-10T06:24:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 9th and 06:50 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 5677 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Pretoria, 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 Pretoria, Kṛṣṇa Ekādaśī 2018 falls on Sunday 10 June. Ekādaśī runs from 09:29 on Sat 9 Jun to 08:25 on Sun 10 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-06-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31999, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-06-11T06:34:03+02:00", "utc": "2018-06-11T04:34:03Z", "ms": 1528691642564.8875 }, "end": { "local": "2018-06-12T04:04:15+02:00", "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": "2018-06-11T06:34:03+02:00", "utc": "2018-06-11T04:34:03Z", "ms": 1528691642564.8875 }, "end": { "local": "2018-06-12T04:04:15+02:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-10", "window": { "start": { "local": "2018-06-10T17:23:13+02:00", "utc": "2018-06-10T15:23:13Z", "ms": 1528644193493.603 }, "end": { "local": "2018-06-10T19:10:51+02:00", "utc": "2018-06-10T17:10:51Z", "ms": 1528650650910.5198 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2018-06-11", "window": { "start": { "local": "2018-06-11T17:23:16+02:00", "utc": "2018-06-11T15:23:16Z", "ms": 1528730596034.591 }, "end": { "local": "2018-06-11T19:10:56+02:00", "utc": "2018-06-11T17:10:56Z", "ms": 1528737055985.2432 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:34 on Mon 11 Jun to 04:04 on Tue 12 Jun.", "fact": "2018-06-11T04:34:03Z → 2018-06-12T02:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–19:11 on the 10th, 17:23–19:11 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 108 minutes on the 10th and 108 of 108 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 31999 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 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 Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 11 June. Trayodaśī runs from 06:34 on Mon 11 Jun to 04:04 on Tue 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-06-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1970, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-06-12T04:04:15+02:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "end": { "local": "2018-06-13T01:04:03+02:00", "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": "2018-06-12T04:04:15+02:00", "utc": "2018-06-12T02:04:15Z", "ms": 1528769054661.7236 }, "end": { "local": "2018-06-13T01:04:03+02:00", "utc": "2018-06-12T23:04:03Z", "ms": 1528844642944.9158 } }, "kaala": "nishita", "days": [ { "local_date": "2018-06-11", "window": { "start": { "local": "2018-06-11T23:43:01+02:00", "utc": "2018-06-11T21:43:01Z", "ms": 1528753380849.5366 }, "end": { "local": "2018-06-12T00:31:01+02:00", "utc": "2018-06-11T22:31:01Z", "ms": 1528756260849.5366 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-12", "window": { "start": { "local": "2018-06-12T23:43:13+02:00", "utc": "2018-06-12T21:43:13Z", "ms": 1528839793089.3628 }, "end": { "local": "2018-06-13T00:31:13+02:00", "utc": "2018-06-12T22:31:13Z", "ms": 1528842673089.3628 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:04 on Tue 12 Jun to 01:04 on Wed 13 Jun.", "fact": "2018-06-12T02:04:15Z → 2018-06-12T23:04:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 11th, 23:43–00:31 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 1970 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Tuesday 12 June. Caturdaśī runs from 04:04 on Tue 12 Jun to 01:04 on Wed 13 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1671, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-06-15T14:39:44+02:00", "utc": "2018-06-15T12:39:44Z", "ms": 1529066384343.3464 }, "end": { "local": "2018-06-16T11:16:03+02:00", "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": "2018-06-15T14:39:44+02:00", "utc": "2018-06-15T12:39:44Z", "ms": 1529066384343.3464 }, "end": { "local": "2018-06-16T11:16:03+02:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-15", "window": { "start": { "local": "2018-06-15T11:43:42+02:00", "utc": "2018-06-15T09:43:42Z", "ms": 1529055821513.3633 }, "end": { "local": "2018-06-15T12:31:42+02:00", "utc": "2018-06-15T10:31:42Z", "ms": 1529058701513.3633 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-06-16", "window": { "start": { "local": "2018-06-16T11:43:55+02:00", "utc": "2018-06-16T09:43:55Z", "ms": 1529142234695.9663 }, "end": { "local": "2018-06-16T12:31:55+02:00", "utc": "2018-06-16T10:31:55Z", "ms": 1529145114695.9663 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:40 on Fri 15 Jun to 11:16 on Sat 16 Jun.", "fact": "2018-06-15T12:39:44Z → 2018-06-16T09:16:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 15th, 11:44–12:32 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 1671 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Pretoria, 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 Pretoria, Rambhā Tṛtīyā 2018 falls on Saturday 16 June. Tṛtīyā runs from 14:40 on Fri 15 Jun to 11:16 on Sat 16 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-06-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1671, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-06-16T11:16:03+02:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "end": { "local": "2018-06-17T08:09:00+02:00", "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": "2018-06-16T11:16:03+02:00", "utc": "2018-06-16T09:16:03Z", "ms": 1529140563234.0725 }, "end": { "local": "2018-06-17T08:09:00+02:00", "utc": "2018-06-17T06:09:00Z", "ms": 1529215739864.1277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-16", "window": { "start": { "local": "2018-06-16T11:43:55+02:00", "utc": "2018-06-16T09:43:55Z", "ms": 1529142234695.9663 }, "end": { "local": "2018-06-16T12:31:55+02:00", "utc": "2018-06-16T10:31:55Z", "ms": 1529145114695.9663 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-17", "window": { "start": { "local": "2018-06-17T11:44:08+02:00", "utc": "2018-06-17T09:44:08Z", "ms": 1529228647950.3467 }, "end": { "local": "2018-06-17T12:32:08+02:00", "utc": "2018-06-17T10:32:08Z", "ms": 1529231527950.3467 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:16 on Sat 16 Jun to 08:09 on Sun 17 Jun.", "fact": "2018-06-16T09:16:03Z → 2018-06-17T06:09:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 16th, 11:44–12:32 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "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 1671 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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 Pretoria, Vināyaka Caturthī 2018 falls on Saturday 16 June. Caturthī runs from 11:16 on Sat 16 Jun to 08:09 on Sun 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22732, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-06-18T05:25:29+02:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T03:10:55+02:00", "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": "2018-06-18T05:25:29+02:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T03:10:55+02:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-18", "window": { "start": { "local": "2018-06-18T11:44:21+02:00", "utc": "2018-06-18T09:44:21Z", "ms": 1529315061248.9573 }, "end": { "local": "2018-06-18T12:32:21+02:00", "utc": "2018-06-18T10:32:21Z", "ms": 1529317941248.9573 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-19", "window": { "start": { "local": "2018-06-19T11:44:35+02:00", "utc": "2018-06-19T09:44:35Z", "ms": 1529401474565.6028 }, "end": { "local": "2018-06-19T12:32:35+02:00", "utc": "2018-06-19T10:32:35Z", "ms": 1529404354565.6028 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:25 on Mon 18 Jun to 03:11 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: 11:44–12:32 on the 18th, 11:45–12:33 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 22732 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Pretoria, 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 Pretoria, Araṇya Gaurī Vrata 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 05:25 on Mon 18 Jun to 03:11 on Tue 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22732, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-06-18T05:25:29+02:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T03:10:55+02:00", "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": "2018-06-18T05:25:29+02:00", "utc": "2018-06-18T03:25:29Z", "ms": 1529292329309.5022 }, "end": { "local": "2018-06-19T03:10:55+02:00", "utc": "2018-06-19T01:10:55Z", "ms": 1529370654756.836 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-18", "window": { "start": { "local": "2018-06-18T11:44:21+02:00", "utc": "2018-06-18T09:44:21Z", "ms": 1529315061248.9573 }, "end": { "local": "2018-06-18T12:32:21+02:00", "utc": "2018-06-18T10:32:21Z", "ms": 1529317941248.9573 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-19", "window": { "start": { "local": "2018-06-19T11:44:35+02:00", "utc": "2018-06-19T09:44:35Z", "ms": 1529401474565.6028 }, "end": { "local": "2018-06-19T12:32:35+02:00", "utc": "2018-06-19T10:32:35Z", "ms": 1529404354565.6028 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:25 on Mon 18 Jun to 03:11 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: 11:44–12:32 on the 18th, 11:45–12:33 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 22732 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Pretoria, 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 Pretoria, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 05:25 on Mon 18 Jun to 03:11 on Tue 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-06-23", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23477, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-06-22T23:49:57+02:00", "utc": "2018-06-22T21:49:57Z", "ms": 1529704197153.8113 }, "end": { "local": "2018-06-24T00:22:41+02:00", "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": "2018-06-22T23:49:57+02:00", "utc": "2018-06-22T21:49:57Z", "ms": 1529704197153.8113 }, "end": { "local": "2018-06-24T00:22:41+02:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-06-23", "window": { "start": { "local": "2018-06-23T06:53:47+02:00", "utc": "2018-06-23T04:53:47Z", "ms": 1529729627048.5361 }, "end": { "local": "2018-06-23T06:53:47+02:00", "utc": "2018-06-23T04:53:47Z", "ms": 1529729627048.5361 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T06:53:58+02:00", "utc": "2018-06-24T04:53:58Z", "ms": 1529816037744.5366 }, "end": { "local": "2018-06-24T06:53:58+02:00", "utc": "2018-06-24T04:53:58Z", "ms": 1529816037744.5366 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:50 on Fri 22 Jun to 00:23 on Sun 24 Jun.", "fact": "2018-06-22T21:49:57Z → 2018-06-23T22:22:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 23rd and 06:54 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 23477 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Pretoria, 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 Pretoria, Nirjalā Ekādaśī 2018 falls on Saturday 23 June. Ekādaśī runs from 23:50 on Fri 22 Jun to 00:23 on Sun 24 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37287, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-06-24T00:22:41+02:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "end": { "local": "2018-06-25T01:24:27+02:00", "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": "2018-06-24T00:22:41+02:00", "utc": "2018-06-23T22:22:41Z", "ms": 1529792561216.21 }, "end": { "local": "2018-06-25T01:24:27+02:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T11:45:41+02:00", "utc": "2018-06-24T09:45:41Z", "ms": 1529833540588.0347 }, "end": { "local": "2018-06-24T12:33:41+02:00", "utc": "2018-06-24T10:33:41Z", "ms": 1529836420588.0347 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-06-25", "window": { "start": { "local": "2018-06-25T11:45:54+02:00", "utc": "2018-06-25T09:45:54Z", "ms": 1529919953526.6892 }, "end": { "local": "2018-06-25T12:33:54+02:00", "utc": "2018-06-25T10:33:54Z", "ms": 1529922833526.6892 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:23 on Sun 24 Jun to 01:24 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: 11:46–12:34 on the 24th, 11:46–12:34 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 37287 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Pretoria, 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 Pretoria, Śrī Rāma Dvādaśī 2018 falls on Sunday 24 June. Dvādaśī runs from 00:23 on Sun 24 Jun to 01:24 on Mon 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-06-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22274, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-06-25T01:24:27+02:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "end": { "local": "2018-06-26T02:52:18+02:00", "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": "2018-06-25T01:24:27+02:00", "utc": "2018-06-24T23:24:27Z", "ms": 1529882666970.2927 }, "end": { "local": "2018-06-26T02:52:18+02:00", "utc": "2018-06-26T00:52:18Z", "ms": 1529974338168.3127 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-24", "window": { "start": { "local": "2018-06-24T17:25:23+02:00", "utc": "2018-06-24T15:25:23Z", "ms": 1529853923431.533 }, "end": { "local": "2018-06-24T19:13:13+02:00", "utc": "2018-06-24T17:13:13Z", "ms": 1529860393291.1448 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2018-06-25", "window": { "start": { "local": "2018-06-25T17:25:40+02:00", "utc": "2018-06-25T15:25:40Z", "ms": 1529940339674.757 }, "end": { "local": "2018-06-25T19:13:29+02:00", "utc": "2018-06-25T17:13:29Z", "ms": 1529946808509.2842 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:24 on Mon 25 Jun to 02:52 on Tue 26 Jun.", "fact": "2018-06-24T23:24:27Z → 2018-06-26T00:52:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:13 on the 24th, 17:26–19:13 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 108 minutes on the 24th and 108 of 108 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 22274 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Monday 25 June. Trayodaśī runs from 01:24 on Mon 25 Jun to 02:52 on Tue 26 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34158, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-06-27T04:43:02+02:00", "utc": "2018-06-27T02:43:02Z", "ms": 1530067382433.2666 }, "end": { "local": "2018-06-28T06:52:58+02:00", "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": "2018-06-27T04:43:02+02:00", "utc": "2018-06-27T02:43:02Z", "ms": 1530067382433.2666 }, "end": { "local": "2018-06-28T06:52:58+02:00", "utc": "2018-06-28T04:52:58Z", "ms": 1530161578377.593 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-06-26", "window": { "start": { "local": "2018-06-26T17:25:57+02:00", "utc": "2018-06-26T15:25:57Z", "ms": 1530026756723.058 }, "end": { "local": "2018-06-26T19:13:44+02:00", "utc": "2018-06-26T17:13:44Z", "ms": 1530033224279.1455 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2018-06-27", "window": { "start": { "local": "2018-06-27T17:26:15+02:00", "utc": "2018-06-27T15:26:15Z", "ms": 1530113174552.7915 }, "end": { "local": "2018-06-27T19:14:01+02:00", "utc": "2018-06-27T17:14:01Z", "ms": 1530119640578.2117 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:43 on Wed 27 Jun to 06:53 on Thu 28 Jun.", "fact": "2018-06-27T02:43:02Z → 2018-06-28T04:52:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:14 on the 26th, 17:26–19:14 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 108 minutes on the 26th and 108 of 108 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 34158 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Pretoria, 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 Pretoria, Vaṭa Sāvitrī Vrata 2018 falls on Wednesday 27 June. Pūrṇimā runs from 04:43 on Wed 27 Jun to 06:53 on Thu 28 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-07-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15828, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-01T14:24:57+02:00", "utc": "2018-07-01T12:24:57Z", "ms": 1530447896941.8135 }, "end": { "local": "2018-07-02T16:50:56+02:00", "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": "2018-07-01T14:24:57+02:00", "utc": "2018-07-01T12:24:57Z", "ms": 1530447896941.8135 }, "end": { "local": "2018-07-02T16:50:56+02:00", "utc": "2018-07-02T14:50:56Z", "ms": 1530543055888.0564 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-01", "window": { "start": { "local": "2018-07-01T20:22:58+02:00", "utc": "2018-07-01T18:22:58Z", "ms": 1530469377762.8345 }, "end": { "local": "2018-07-01T20:22:58+02:00", "utc": "2018-07-01T18:22:58Z", "ms": 1530469377762.8345 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-07-02", "window": { "start": { "local": "2018-07-02T21:14:44+02:00", "utc": "2018-07-02T19:14:44Z", "ms": 1530558884348.5088 }, "end": { "local": "2018-07-02T21:14:44+02:00", "utc": "2018-07-02T19:14:44Z", "ms": 1530558884348.5088 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:25 on Sun 1 Jul to 16:51 on Mon 2 Jul.", "fact": "2018-07-01T12:24:57Z → 2018-07-02T14:50:56Z" }, { "step": "kaala", "text": "Moonrise is at 20:23 on the 1st and 21:15 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 15828 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Sunday 1 July. Caturthī runs from 14:25 on Sun 1 Jul to 16:51 on Mon 2 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-07-09", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39207, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-07-08T20:00:55+02:00", "utc": "2018-07-08T18:00:55Z", "ms": 1531072855498.0898 }, "end": { "local": "2018-07-09T17:57:19+02:00", "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": "2018-07-08T20:00:55+02:00", "utc": "2018-07-08T18:00:55Z", "ms": 1531072855498.0898 }, "end": { "local": "2018-07-09T17:57:19+02:00", "utc": "2018-07-09T15:57:19Z", "ms": 1531151838736.3308 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-07-09", "window": { "start": { "local": "2018-07-09T06:54:23+02:00", "utc": "2018-07-09T04:54:23Z", "ms": 1531112062734.3762 }, "end": { "local": "2018-07-09T06:54:23+02:00", "utc": "2018-07-09T04:54:23Z", "ms": 1531112062734.3762 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-10T06:54:15+02:00", "utc": "2018-07-10T04:54:15Z", "ms": 1531198454845.3633 }, "end": { "local": "2018-07-10T06:54:15+02:00", "utc": "2018-07-10T04:54:15Z", "ms": 1531198454845.3633 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:01 on Sun 8 Jul to 17:57 on Mon 9 Jul.", "fact": "2018-07-08T18:00:55Z → 2018-07-09T15:57:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 9th and 06:54 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 39207 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Pretoria, 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 Pretoria, Yoginī Ekādaśī 2018 falls on Monday 9 July. Ekādaśī runs from 20:01 on Sun 8 Jul to 17:57 on Mon 9 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-07-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8119, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-07-10T15:15:48+02:00", "utc": "2018-07-10T13:15:48Z", "ms": 1531228547507.056 }, "end": { "local": "2018-07-11T12:04:15+02:00", "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": "2018-07-10T15:15:48+02:00", "utc": "2018-07-10T13:15:48Z", "ms": 1531228547507.056 }, "end": { "local": "2018-07-11T12:04:15+02:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-10T17:31:06+02:00", "utc": "2018-07-10T15:31:06Z", "ms": 1531236666075.8657 }, "end": { "local": "2018-07-10T19:18:10+02:00", "utc": "2018-07-10T17:18:10Z", "ms": 1531243090027.1091 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2018-07-11", "window": { "start": { "local": "2018-07-11T17:31:32+02:00", "utc": "2018-07-11T15:31:32Z", "ms": 1531323092154.348 }, "end": { "local": "2018-07-11T19:18:31+02:00", "utc": "2018-07-11T17:18:31Z", "ms": 1531329511243.176 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:16 on Tue 10 Jul to 12:04 on Wed 11 Jul.", "fact": "2018-07-10T13:15:48Z → 2018-07-11T10:04:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:31–19:18 on the 10th, 17:32–19:19 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 107 of 107 minutes on the 10th and 0 of 107 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 8119 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 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 Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 10 July. Trayodaśī runs from 15:16 on Tue 10 Jul to 12:04 on Wed 11 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-07-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28501, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-07-11T12:04:15+02:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "end": { "local": "2018-07-12T08:31:44+02:00", "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": "2018-07-11T12:04:15+02:00", "utc": "2018-07-11T10:04:15Z", "ms": 1531303455323.706 }, "end": { "local": "2018-07-12T08:31:44+02:00", "utc": "2018-07-12T06:31:44Z", "ms": 1531377104262.4673 } }, "kaala": "nishita", "days": [ { "local_date": "2018-07-10", "window": { "start": { "local": "2018-07-10T23:48:36+02:00", "utc": "2018-07-10T21:48:36Z", "ms": 1531259315893.0283 }, "end": { "local": "2018-07-11T00:36:36+02:00", "utc": "2018-07-10T22:36:36Z", "ms": 1531262195893.0283 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-11", "window": { "start": { "local": "2018-07-11T23:48:44+02:00", "utc": "2018-07-11T21:48:44Z", "ms": 1531345723737.4536 }, "end": { "local": "2018-07-12T00:36:44+02:00", "utc": "2018-07-11T22:36:44Z", "ms": 1531348603737.4536 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:04 on Wed 11 Jul to 08:32 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: 23:49–00:37 on the 10th, 23:49–00:37 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 28501 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Wednesday 11 July. Caturdaśī runs from 12:04 on Wed 11 Jul to 08:32 on Thu 12 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31677, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-07-14T01:02:27+02:00", "utc": "2018-07-13T23:02:27Z", "ms": 1531522947471.4346 }, "end": { "local": "2018-07-14T21:25:09+02:00", "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": "2018-07-14T01:02:27+02:00", "utc": "2018-07-13T23:02:27Z", "ms": 1531522947471.4346 }, "end": { "local": "2018-07-14T21:25:09+02:00", "utc": "2018-07-14T19:25:09Z", "ms": 1531596309112.2686 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-13", "window": { "start": { "local": "2018-07-13T11:49:05+02:00", "utc": "2018-07-13T09:49:05Z", "ms": 1531475344530.393 }, "end": { "local": "2018-07-13T12:37:05+02:00", "utc": "2018-07-13T10:37:05Z", "ms": 1531478224530.393 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-14", "window": { "start": { "local": "2018-07-14T11:49:12+02:00", "utc": "2018-07-14T09:49:12Z", "ms": 1531561751614.6553 }, "end": { "local": "2018-07-14T12:37:12+02:00", "utc": "2018-07-14T10:37:12Z", "ms": 1531564631614.6553 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:02 on Sat 14 Jul to 21:25 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: 11:49–12:37 on the 13th, 11:49–12:37 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 31677 s" }, { "step": "ruling", "text": "Rathayātrā, Pretoria, 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 Pretoria, Rathayātrā 2018 falls on Saturday 14 July. Dvitīyā runs from 01:02 on Sat 14 Jul to 21:25 on Sat 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-07-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9205, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-15T18:05:08+02:00", "utc": "2018-07-15T16:05:08Z", "ms": 1531670708407.4592 }, "end": { "local": "2018-07-16T15:10:50+02:00", "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": "2018-07-15T18:05:08+02:00", "utc": "2018-07-15T16:05:08Z", "ms": 1531670708407.4592 }, "end": { "local": "2018-07-16T15:10:50+02:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-15", "window": { "start": { "local": "2018-07-15T11:49:18+02:00", "utc": "2018-07-15T09:49:18Z", "ms": 1531648158195.3647 }, "end": { "local": "2018-07-15T12:37:18+02:00", "utc": "2018-07-15T10:37:18Z", "ms": 1531651038195.3647 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-16", "window": { "start": { "local": "2018-07-16T11:49:24+02:00", "utc": "2018-07-16T09:49:24Z", "ms": 1531734564254.1582 }, "end": { "local": "2018-07-16T12:37:24+02:00", "utc": "2018-07-16T10:37:24Z", "ms": 1531737444254.1582 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:05 on Sun 15 Jul to 15:11 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: 11:49–12:37 on the 15th, 11:49–12:37 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 9205 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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 Pretoria, Vināyaka Caturthī 2018 falls on Monday 16 July. Caturthī runs from 18:05 on Sun 15 Jul to 15:11 on Mon 16 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 718, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-07-16T15:10:50+02:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "end": { "local": "2018-07-17T12:49:28+02:00", "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": "2018-07-16T15:10:50+02:00", "utc": "2018-07-16T13:10:50Z", "ms": 1531746649680.862 }, "end": { "local": "2018-07-17T12:49:28+02:00", "utc": "2018-07-17T10:49:28Z", "ms": 1531824567727.6724 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-16", "window": { "start": { "local": "2018-07-16T11:49:24+02:00", "utc": "2018-07-16T09:49:24Z", "ms": 1531734564254.1582 }, "end": { "local": "2018-07-16T12:37:24+02:00", "utc": "2018-07-16T10:37:24Z", "ms": 1531737444254.1582 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-17", "window": { "start": { "local": "2018-07-17T11:49:30+02:00", "utc": "2018-07-17T09:49:30Z", "ms": 1531820969774.7754 }, "end": { "local": "2018-07-17T12:37:30+02:00", "utc": "2018-07-17T10:37:30Z", "ms": 1531823849774.7754 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:11 on Mon 16 Jul to 12:49 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: 11:49–12:37 on the 16th, 11:49–12:37 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 718 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Pretoria, 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 Pretoria, Skanda Pañcamī 2018 falls on Tuesday 17 July. Pañcamī runs from 15:11 on Mon 16 Jul to 12:49 on Tue 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2573, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-07-18T11:06:42+02:00", "utc": "2018-07-18T09:06:42Z", "ms": 1531904802010.8564 }, "end": { "local": "2018-07-19T10:06:10+02:00", "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": "2018-07-18T11:06:42+02:00", "utc": "2018-07-18T09:06:42Z", "ms": 1531904802010.8564 }, "end": { "local": "2018-07-19T10:06:10+02:00", "utc": "2018-07-19T08:06:10Z", "ms": 1531987570193.0781 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-18", "window": { "start": { "local": "2018-07-18T11:49:35+02:00", "utc": "2018-07-18T09:49:35Z", "ms": 1531907374743.1995 }, "end": { "local": "2018-07-18T12:37:35+02:00", "utc": "2018-07-18T10:37:35Z", "ms": 1531910254743.1995 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-07-19", "window": { "start": { "local": "2018-07-19T11:49:39+02:00", "utc": "2018-07-19T09:49:39Z", "ms": 1531993779147.5632 }, "end": { "local": "2018-07-19T12:37:39+02:00", "utc": "2018-07-19T10:37:39Z", "ms": 1531996659147.5632 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:07 on Wed 18 Jul to 10:06 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: 11:50–12:38 on the 18th, 11:50–12:38 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 2573 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Pretoria, 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": "boundary" } ], "quote": "In Pretoria, Vivasvat Saptamī 2018 falls on Wednesday 18 July. Saptamī runs from 11:07 on Wed 18 Jul to 10:06 on Thu 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-07-23", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16000, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-07-22T11:17:42+02:00", "utc": "2018-07-22T09:17:42Z", "ms": 1532251061609.5364 }, "end": { "local": "2018-07-23T12:53:54+02:00", "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": "2018-07-22T11:17:42+02:00", "utc": "2018-07-22T09:17:42Z", "ms": 1532251061609.5364 }, "end": { "local": "2018-07-23T12:53:54+02:00", "utc": "2018-07-23T10:53:54Z", "ms": 1532343233843.25 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-07-22", "window": { "start": { "local": "2018-07-22T06:51:01+02:00", "utc": "2018-07-22T04:51:01Z", "ms": 1532235061110.853 }, "end": { "local": "2018-07-22T06:51:01+02:00", "utc": "2018-07-22T04:51:01Z", "ms": 1532235061110.853 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-23", "window": { "start": { "local": "2018-07-23T06:50:37+02:00", "utc": "2018-07-23T04:50:37Z", "ms": 1532321436661.4343 }, "end": { "local": "2018-07-23T06:50:37+02:00", "utc": "2018-07-23T04:50:37Z", "ms": 1532321436661.4343 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:18 on Sun 22 Jul to 12:54 on Mon 23 Jul.", "fact": "2018-07-22T09:17:42Z → 2018-07-23T10:53:54Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 22nd and 06:51 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 16000 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Pretoria, 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 Pretoria, Hariśayanī Ekādaśī 2018 falls on Monday 23 July. Ekādaśī runs from 11:18 on Sun 22 Jul to 12:54 on Mon 23 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-07-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1331, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-07-24T14:55:48+02:00", "utc": "2018-07-24T12:55:48Z", "ms": 1532436948495.6292 }, "end": { "local": "2018-07-25T17:15:51+02:00", "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": "2018-07-24T14:55:48+02:00", "utc": "2018-07-24T12:55:48Z", "ms": 1532436948495.6292 }, "end": { "local": "2018-07-25T17:15:51+02:00", "utc": "2018-07-25T15:15:51Z", "ms": 1532531751260.3157 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-24", "window": { "start": { "local": "2018-07-24T17:37:34+02:00", "utc": "2018-07-24T15:37:34Z", "ms": 1532446653871.081 }, "end": { "local": "2018-07-24T19:23:11+02:00", "utc": "2018-07-24T17:23:11Z", "ms": 1532452991224.0696 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2018-07-25", "window": { "start": { "local": "2018-07-25T17:38:03+02:00", "utc": "2018-07-25T15:38:03Z", "ms": 1532533082540.841 }, "end": { "local": "2018-07-25T19:23:32+02:00", "utc": "2018-07-25T17:23:32Z", "ms": 1532539412315.1772 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:56 on Tue 24 Jul to 17:16 on Wed 25 Jul.", "fact": "2018-07-24T12:55:48Z → 2018-07-25T15:15:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:23 on the 24th, 17:38–19:24 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 106 of 106 minutes on the 24th and 0 of 105 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 1331 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Tuesday 24 July. Trayodaśī runs from 14:56 on Tue 24 Jul to 17:16 on Wed 25 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30475, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T19:46:28+02:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T22:20:21+02:00", "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": "2018-07-26T19:46:28+02:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T22:20:21+02:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "udaya-3", "days": [ { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T06:48:46+02:00", "utc": "2018-07-27T04:48:46Z", "ms": 1532666926462.914 }, "end": { "local": "2018-07-27T08:58:49+02:00", "utc": "2018-07-27T06:58:49Z", "ms": 1532674729155.539 } }, "covered_min": 130, "window_min": 130, "qualifies": true }, { "local_date": "2018-07-28", "window": { "start": { "local": "2018-07-28T06:48:16+02:00", "utc": "2018-07-28T04:48:16Z", "ms": 1532753295876.0168 }, "end": { "local": "2018-07-28T08:58:30+02:00", "utc": "2018-07-28T06:58:30Z", "ms": 1532761110423.1602 } }, "covered_min": 0, "window_min": 130, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:46 on Thu 26 Jul to 22:20 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: 06:49–08:59 on the 27th, 06:48–08:59 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 130 of 130 minutes on the 27th and 0 of 130 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 30475 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Pretoria, 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 Pretoria, Vyāsa Pūjā 2018 falls on Friday 27 July. Pūrṇimā runs from 19:46 on Thu 26 Jul to 22:20 on Fri 27 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25714, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T19:46:28+02:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T22:20:21+02:00", "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": "2018-07-26T19:46:28+02:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T22:20:21+02:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T11:49:54+02:00", "utc": "2018-07-26T09:49:54Z", "ms": 1532598593539.6575 }, "end": { "local": "2018-07-26T12:37:54+02:00", "utc": "2018-07-26T10:37:54Z", "ms": 1532601473539.6575 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T11:49:53+02:00", "utc": "2018-07-27T09:49:53Z", "ms": 1532684993194.4766 }, "end": { "local": "2018-07-27T12:37:53+02:00", "utc": "2018-07-27T10:37:53Z", "ms": 1532687873194.4766 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:46 on Thu 26 Jul to 22:20 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: 11:50–12:38 on the 26th, 11:50–12:38 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 25714 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Pretoria, 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 Pretoria, Guru Pūrṇimā 2018 falls on Friday 27 July. Pūrṇimā runs from 19:46 on Thu 26 Jul to 22:20 on Fri 27 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7676, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T19:46:28+02:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T22:20:21+02:00", "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": "2018-07-26T19:46:28+02:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T22:20:21+02:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T15:28:40+02:00", "utc": "2018-07-26T13:28:40Z", "ms": 1532611720154.434 }, "end": { "local": "2018-07-26T17:38:31+02:00", "utc": "2018-07-26T15:38:31Z", "ms": 1532619511230.952 } }, "covered_min": 0, "window_min": 130, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T15:28:57+02:00", "utc": "2018-07-27T13:28:57Z", "ms": 1532698137233.4143 }, "end": { "local": "2018-07-27T17:39:00+02:00", "utc": "2018-07-27T15:39:00Z", "ms": 1532705939926.0393 } }, "covered_min": 130, "window_min": 130, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:46 on Thu 26 Jul to 22:20 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: 15:29–17:39 on the 26th, 15:29–17:39 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 130 minutes on the 26th and 130 of 130 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 7676 s" }, { "step": "ruling", "text": "Kokilā Vrata, Pretoria, 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 Pretoria, Kokilā Vrata 2018 falls on Friday 27 July. Pūrṇimā runs from 19:46 on Thu 26 Jul to 22:20 on Fri 27 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1354, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-07-26T19:46:28+02:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T22:20:21+02:00", "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": "2018-07-26T19:46:28+02:00", "utc": "2018-07-26T17:46:28Z", "ms": 1532627187604.4104 }, "end": { "local": "2018-07-27T22:20:21+02:00", "utc": "2018-07-27T20:20:21Z", "ms": 1532722821104.1553 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-07-26", "window": { "start": { "local": "2018-07-26T17:38:31+02:00", "utc": "2018-07-26T15:38:31Z", "ms": 1532619511230.952 }, "end": { "local": "2018-07-26T19:23:53+02:00", "utc": "2018-07-26T17:23:53Z", "ms": 1532625833261.8801 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2018-07-27", "window": { "start": { "local": "2018-07-27T17:39:00+02:00", "utc": "2018-07-27T15:39:00Z", "ms": 1532705939926.0393 }, "end": { "local": "2018-07-27T19:24:14+02:00", "utc": "2018-07-27T17:24:14Z", "ms": 1532712254052.703 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:46 on Thu 26 Jul to 22:20 on Fri 27 Jul.", "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:24 on the 26th, 17:39–19:24 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 0 of 105 minutes on the 26th and 105 of 105 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1354 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Pretoria, 2018: Friday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-07-27", "confidence": "boundary" } ], "quote": "In Pretoria, Śiva Śayanotsava 2018 falls on Friday 27 July. Pūrṇimā runs from 19:46 on Thu 26 Jul to 22:20 on Fri 27 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23514, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-07-29T00:50:36+02:00", "utc": "2018-07-28T22:50:36Z", "ms": 1532818236014.6 }, "end": { "local": "2018-07-30T03:10:30+02:00", "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": "2018-07-29T00:50:36+02:00", "utc": "2018-07-28T22:50:36Z", "ms": 1532818236014.6 }, "end": { "local": "2018-07-30T03:10:30+02:00", "utc": "2018-07-30T01:10:30Z", "ms": 1532913030286.5576 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-28", "window": { "start": { "local": "2018-07-28T18:18:42+02:00", "utc": "2018-07-28T16:18:42Z", "ms": 1532794721937.4001 }, "end": { "local": "2018-07-28T18:18:42+02:00", "utc": "2018-07-28T16:18:42Z", "ms": 1532794721937.4001 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-29", "window": { "start": { "local": "2018-07-29T19:10:33+02:00", "utc": "2018-07-29T17:10:33Z", "ms": 1532884233318.5413 }, "end": { "local": "2018-07-29T19:10:33+02:00", "utc": "2018-07-29T17:10:33Z", "ms": 1532884233318.5413 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 00:51 on Sun 29 Jul to 03:11 on Mon 30 Jul.", "fact": "2018-07-28T22:50:36Z → 2018-07-30T01:10:30Z" }, { "step": "kaala", "text": "Moonrise is at 18:19 on the 28th and 19:11 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 23514 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Pretoria, 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 Pretoria, Aśūnya Śayana Vrata (Āṣāḍha) 2018 falls on Sunday 29 July. Dvitīyā runs from 00:51 on Sun 29 Jul to 03:11 on Mon 30 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-07-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33057, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-07-31T05:13:28+02:00", "utc": "2018-07-31T03:13:28Z", "ms": 1533006808308.9995 }, "end": { "local": "2018-08-01T06:53:02+02:00", "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": "2018-07-31T05:13:28+02:00", "utc": "2018-07-31T03:13:28Z", "ms": 1533006808308.9995 }, "end": { "local": "2018-08-01T06:53:02+02:00", "utc": "2018-08-01T04:53:02Z", "ms": 1533099182069.5957 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-07-30", "window": { "start": { "local": "2018-07-30T20:02:31+02:00", "utc": "2018-07-30T18:02:31Z", "ms": 1532973751165.7913 }, "end": { "local": "2018-07-30T20:02:31+02:00", "utc": "2018-07-30T18:02:31Z", "ms": 1532973751165.7913 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-07-31", "window": { "start": { "local": "2018-07-31T20:54:36+02:00", "utc": "2018-07-31T18:54:36Z", "ms": 1533063275610.6465 }, "end": { "local": "2018-07-31T20:54:36+02:00", "utc": "2018-07-31T18:54:36Z", "ms": 1533063275610.6465 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:13 on Tue 31 Jul to 06:53 on Wed 1 Aug.", "fact": "2018-07-31T03:13:28Z → 2018-08-01T04:53:02Z" }, { "step": "kaala", "text": "Moonrise is at 20:03 on the 30th and 20:55 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 33057 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 31 July. Caturthī runs from 05:13 on Tue 31 Jul to 06:53 on Wed 1 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-08-07", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8361, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-08-07T04:22:46+02:00", "utc": "2018-08-07T02:22:46Z", "ms": 1533608566254.9343 }, "end": { "local": "2018-08-08T01:45:39+02:00", "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": "2018-08-07T04:22:46+02:00", "utc": "2018-08-07T02:22:46Z", "ms": 1533608566254.9343 }, "end": { "local": "2018-08-08T01:45:39+02:00", "utc": "2018-08-07T23:45:39Z", "ms": 1533685539432.0996 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-08-07", "window": { "start": { "local": "2018-08-07T06:42:07+02:00", "utc": "2018-08-07T04:42:07Z", "ms": 1533616927389.2825 }, "end": { "local": "2018-08-07T06:42:07+02:00", "utc": "2018-08-07T04:42:07Z", "ms": 1533616927389.2825 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-08", "window": { "start": { "local": "2018-08-08T06:41:25+02:00", "utc": "2018-08-08T04:41:25Z", "ms": 1533703284648.0244 }, "end": { "local": "2018-08-08T06:41:25+02:00", "utc": "2018-08-08T04:41:25Z", "ms": 1533703284648.0244 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:23 on Tue 7 Aug to 01:46 on Wed 8 Aug.", "fact": "2018-08-07T02:22:46Z → 2018-08-07T23:45:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 7th and 06:41 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 8361 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Pretoria, 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 Pretoria, Kāmikā Ekādaśī 2018 falls on Tuesday 7 August. Ekādaśī runs from 04:23 on Tue 7 Aug to 01:46 on Wed 8 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-08-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 789, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-08-08T22:40:41+02:00", "utc": "2018-08-08T20:40:41Z", "ms": 1533760840773.168 }, "end": { "local": "2018-08-09T19:15:17+02:00", "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": "2018-08-08T22:40:41+02:00", "utc": "2018-08-08T20:40:41Z", "ms": 1533760840773.168 }, "end": { "local": "2018-08-09T19:15:17+02:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-08-08", "window": { "start": { "local": "2018-08-08T17:44:40+02:00", "utc": "2018-08-08T15:44:40Z", "ms": 1533743080188.8672 }, "end": { "local": "2018-08-08T19:28:08+02:00", "utc": "2018-08-08T17:28:08Z", "ms": 1533749288283.9734 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2018-08-09", "window": { "start": { "local": "2018-08-09T17:45:08+02:00", "utc": "2018-08-09T15:45:08Z", "ms": 1533829507882.3284 }, "end": { "local": "2018-08-09T19:28:26+02:00", "utc": "2018-08-09T17:28:26Z", "ms": 1533835706320.2568 } }, "covered_min": 90, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:41 on Wed 8 Aug to 19:15 on Thu 9 Aug.", "fact": "2018-08-08T20:40:41Z → 2018-08-09T17:15:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:28 on the 8th, 17:45–19:28 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 8th and 90 of 103 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 789 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 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 Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Thursday 9 August. Trayodaśī runs from 22:41 on Wed 8 Aug to 19:15 on Thu 9 Aug and covers 90 of 103 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-08-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16395, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-08-09T19:15:17+02:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "end": { "local": "2018-08-10T15:37:56+02:00", "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": "2018-08-09T19:15:17+02:00", "utc": "2018-08-09T17:15:17Z", "ms": 1533834917285.2732 }, "end": { "local": "2018-08-10T15:37:56+02:00", "utc": "2018-08-10T13:37:56Z", "ms": 1533908275865.642 } }, "kaala": "nishita", "days": [ { "local_date": "2018-08-09", "window": { "start": { "local": "2018-08-09T23:48:32+02:00", "utc": "2018-08-09T21:48:32Z", "ms": 1533851312024.56 }, "end": { "local": "2018-08-10T00:36:32+02:00", "utc": "2018-08-09T22:36:32Z", "ms": 1533854192024.56 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-10", "window": { "start": { "local": "2018-08-10T23:48:23+02:00", "utc": "2018-08-10T21:48:23Z", "ms": 1533937702939.6177 }, "end": { "local": "2018-08-11T00:36:23+02:00", "utc": "2018-08-10T22:36:23Z", "ms": 1533940582939.6177 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:15 on Thu 9 Aug to 15:38 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: 23:49–00:37 on the 9th, 23:48–00:36 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 16395 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Thursday 9 August. Caturdaśī runs from 19:15 on Thu 9 Aug to 15:38 on Fri 10 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24078, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-08-13T05:06:58+02:00", "utc": "2018-08-13T03:06:58Z", "ms": 1534129618204.2227 }, "end": { "local": "2018-08-14T02:15:20+02:00", "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": "2018-08-13T05:06:58+02:00", "utc": "2018-08-13T03:06:58Z", "ms": 1534129618204.2227 }, "end": { "local": "2018-08-14T02:15:20+02:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-13", "window": { "start": { "local": "2018-08-13T11:48:17+02:00", "utc": "2018-08-13T09:48:17Z", "ms": 1534153696589.1636 }, "end": { "local": "2018-08-13T12:36:17+02:00", "utc": "2018-08-13T10:36:17Z", "ms": 1534156576589.1636 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T11:48:06+02:00", "utc": "2018-08-14T09:48:06Z", "ms": 1534240085724.4053 }, "end": { "local": "2018-08-14T12:36:06+02:00", "utc": "2018-08-14T10:36:06Z", "ms": 1534242965724.4053 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:07 on Mon 13 Aug to 02:15 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: 11:48–12:36 on the 13th, 11:48–12:36 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 24078 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Pretoria, 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 Pretoria, Madhusravā Tṛtīyā (Hariyali Teej) 2018 falls on Monday 13 August. Tṛtīyā runs from 05:07 on Mon 13 Aug to 02:15 on Tue 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-08-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34366, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-14T02:15:20+02:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "end": { "local": "2018-08-14T23:57:52+02:00", "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": "2018-08-14T02:15:20+02:00", "utc": "2018-08-14T00:15:20Z", "ms": 1534205719745.8645 }, "end": { "local": "2018-08-14T23:57:52+02:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T11:48:06+02:00", "utc": "2018-08-14T09:48:06Z", "ms": 1534240085724.4053 }, "end": { "local": "2018-08-14T12:36:06+02:00", "utc": "2018-08-14T10:36:06Z", "ms": 1534242965724.4053 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-15", "window": { "start": { "local": "2018-08-15T11:47:54+02:00", "utc": "2018-08-15T09:47:54Z", "ms": 1534326474302.6284 }, "end": { "local": "2018-08-15T12:35:54+02:00", "utc": "2018-08-15T10:35:54Z", "ms": 1534329354302.6284 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:15 on Tue 14 Aug to 23:58 on Tue 14 Aug.", "fact": "2018-08-14T00:15:20Z → 2018-08-14T21:57:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 14th, 11:48–12:36 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 34366 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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 Pretoria, Vināyaka Caturthī 2018 falls on Tuesday 14 August. Caturthī runs from 02:15 on Tue 14 Aug to 23:58 on Tue 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35153, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-08-14T23:57:52+02:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "end": { "local": "2018-08-15T22:21:48+02:00", "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": "2018-08-14T23:57:52+02:00", "utc": "2018-08-14T21:57:52Z", "ms": 1534283872144.1572 }, "end": { "local": "2018-08-15T22:21:48+02:00", "utc": "2018-08-15T20:21:48Z", "ms": 1534364507531.6821 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-14", "window": { "start": { "local": "2018-08-14T11:48:06+02:00", "utc": "2018-08-14T09:48:06Z", "ms": 1534240085724.4053 }, "end": { "local": "2018-08-14T12:36:06+02:00", "utc": "2018-08-14T10:36:06Z", "ms": 1534242965724.4053 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-15", "window": { "start": { "local": "2018-08-15T11:47:54+02:00", "utc": "2018-08-15T09:47:54Z", "ms": 1534326474302.6284 }, "end": { "local": "2018-08-15T12:35:54+02:00", "utc": "2018-08-15T10:35:54Z", "ms": 1534329354302.6284 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:58 on Tue 14 Aug to 22:22 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: 11:48–12:36 on the 14th, 11:48–12:36 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 35153 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Pretoria, 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 Pretoria, Nāga Pañcamī 2018 falls on Wednesday 15 August. Pañcamī runs from 23:58 on Tue 14 Aug to 22:22 on Wed 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-08-21", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8345, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-08-21T01:46:44+02:00", "utc": "2018-08-20T23:46:44Z", "ms": 1534808803761.1855 }, "end": { "local": "2018-08-22T04:10:43+02:00", "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": "2018-08-21T01:46:44+02:00", "utc": "2018-08-20T23:46:44Z", "ms": 1534808803761.1855 }, "end": { "local": "2018-08-22T04:10:43+02:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-08-21", "window": { "start": { "local": "2018-08-21T06:30:43+02:00", "utc": "2018-08-21T04:30:43Z", "ms": 1534825843345.014 }, "end": { "local": "2018-08-21T06:30:43+02:00", "utc": "2018-08-21T04:30:43Z", "ms": 1534825843345.014 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-22", "window": { "start": { "local": "2018-08-22T06:29:48+02:00", "utc": "2018-08-22T04:29:48Z", "ms": 1534912188082.9675 }, "end": { "local": "2018-08-22T06:29:48+02:00", "utc": "2018-08-22T04:29:48Z", "ms": 1534912188082.9675 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:47 on Tue 21 Aug to 04:11 on Wed 22 Aug.", "fact": "2018-08-20T23:46:44Z → 2018-08-22T02:10:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:31 on the 21st and 06:30 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 8345 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Pretoria, 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 Pretoria, Putradā Ekādaśī 2018 falls on Tuesday 21 August. Ekādaśī runs from 01:47 on Tue 21 Aug to 04:11 on Wed 22 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18025, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-08-22T04:10:43+02:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "end": { "local": "2018-08-23T06:45:39+02:00", "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": "2018-08-22T04:10:43+02:00", "utc": "2018-08-22T02:10:43Z", "ms": 1534903843073.3782 }, "end": { "local": "2018-08-23T06:45:39+02:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-22", "window": { "start": { "local": "2018-08-22T11:46:20+02:00", "utc": "2018-08-22T09:46:20Z", "ms": 1534931179553.5452 }, "end": { "local": "2018-08-22T12:34:20+02:00", "utc": "2018-08-22T10:34:20Z", "ms": 1534934059553.5452 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-23", "window": { "start": { "local": "2018-08-23T11:46:04+02:00", "utc": "2018-08-23T09:46:04Z", "ms": 1535017564055.7256 }, "end": { "local": "2018-08-23T12:34:04+02:00", "utc": "2018-08-23T10:34:04Z", "ms": 1535020444055.7256 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:11 on Wed 22 Aug to 06:46 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: 11:46–12:34 on the 22nd, 11:46–12:34 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 18025 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Pretoria, 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 Pretoria, Dāmodara Dvādaśī 2018 falls on Wednesday 22 August. Dvādaśī runs from 04:11 on Wed 22 Aug to 06:46 on Thu 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-08-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30664, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-08-23T06:45:39+02:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "end": { "local": "2018-08-24T09:20:36+02:00", "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": "2018-08-23T06:45:39+02:00", "utc": "2018-08-23T04:45:39Z", "ms": 1534999538893.1116 }, "end": { "local": "2018-08-24T09:20:36+02:00", "utc": "2018-08-24T07:20:36Z", "ms": 1535095236341.8088 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-08-23", "window": { "start": { "local": "2018-08-23T17:51:16+02:00", "utc": "2018-08-23T15:51:16Z", "ms": 1535039476023.3723 }, "end": { "local": "2018-08-23T19:32:09+02:00", "utc": "2018-08-23T17:32:09Z", "ms": 1535045529271.7126 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2018-08-24", "window": { "start": { "local": "2018-08-24T17:51:41+02:00", "utc": "2018-08-24T15:51:41Z", "ms": 1535125900838.655 }, "end": { "local": "2018-08-24T19:32:23+02:00", "utc": "2018-08-24T17:32:23Z", "ms": 1535131943127.1602 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:46 on Thu 23 Aug to 09:21 on Fri 24 Aug.", "fact": "2018-08-23T04:45:39Z → 2018-08-24T07:20:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:32 on the 23rd, 17:52–19:32 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 101 of 101 minutes on the 23rd and 0 of 101 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 30664 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Thursday 23 August. Trayodaśī runs from 06:46 on Thu 23 Aug to 09:21 on Fri 24 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 19940, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-08-25T11:46:26+02:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T13:56:10+02:00", "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": "2018-08-26T00:53:40+02:00", "utc": "2018-08-25T22:53:40Z", "ms": 1535237619577.8662 }, "end": { "local": "2018-08-26T13:56:10+02:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 } }, "kaala": "day", "days": [ { "local_date": "2018-08-25", "window": { "start": { "local": "2018-08-25T06:26:58+02:00", "utc": "2018-08-25T04:26:58Z", "ms": 1535171218002.4436 }, "end": { "local": "2018-08-26T06:26:00+02:00", "utc": "2018-08-26T04:26:00Z", "ms": 1535257559963.8855 } }, "covered_min": 332, "window_min": 1439, "qualifies": true }, { "local_date": "2018-08-26", "window": { "start": { "local": "2018-08-26T06:26:00+02:00", "utc": "2018-08-26T04:26:00Z", "ms": 1535257559963.8855 }, "end": { "local": "2018-08-27T06:25:01+02:00", "utc": "2018-08-27T04:25:01Z", "ms": 1535343901296.7598 } }, "covered_min": 450, "window_min": 1439, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:46 on Sat 25 Aug to 13:56 on Sun 26 Aug. Its second half begins at 00:54 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 06:27 on the 25th, and from 06:26 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 332 of 1439 minutes on the 25th and 450 of 1439 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 19940 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Pretoria, 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 Pretoria, Rakṣā Bandhana (Rakhi) 2018 falls on Sunday 26 August. The second half of Pūrṇimā runs from 00:54 on Sun 26 Aug to 13:56 on Sun 26 Aug and falls on two days: 450 minutes of it on the 26th, 332 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/pretoria/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": "/pretoria/festivals/2018/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-26", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 54, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-08-25T11:46:26+02:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T13:56:10+02:00", "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": "2018-08-25T11:46:26+02:00", "utc": "2018-08-25T09:46:26Z", "ms": 1535190385809.455 }, "end": { "local": "2018-08-26T13:56:10+02:00", "utc": "2018-08-26T11:56:10Z", "ms": 1535284570466.9868 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-25", "window": { "start": { "local": "2018-08-25T11:45:32+02:00", "utc": "2018-08-25T09:45:32Z", "ms": 1535190331740.1167 }, "end": { "local": "2018-08-25T12:33:32+02:00", "utc": "2018-08-25T10:33:32Z", "ms": 1535193211740.1167 } }, "covered_min": 47, "window_min": 48, "qualifies": true }, { "local_date": "2018-08-26", "window": { "start": { "local": "2018-08-26T11:45:15+02:00", "utc": "2018-08-26T09:45:15Z", "ms": 1535276714956.7156 }, "end": { "local": "2018-08-26T12:33:15+02:00", "utc": "2018-08-26T10:33:15Z", "ms": 1535279594956.7156 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:46 on Sat 25 Aug to 13:56 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: 11:46–12:34 on the 25th, 11:45–12:33 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 47 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 54 s < 300 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Pretoria, 2018: Sunday 26 August.", "fact": "confidence: boundary (margin, 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 Pretoria, Ṛṣi Tarpaṇa 2018 falls on Sunday 26 August. Pūrṇimā runs from 11:46 on Sat 25 Aug to 13:56 on Sun 26 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 47 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 54 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9212, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-08-27T15:45:01+02:00", "utc": "2018-08-27T13:45:01Z", "ms": 1535377500654.6133 }, "end": { "local": "2018-08-28T17:09:47+02:00", "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": "2018-08-27T15:45:01+02:00", "utc": "2018-08-27T13:45:01Z", "ms": 1535377500654.6133 }, "end": { "local": "2018-08-28T17:09:47+02:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-08-27", "window": { "start": { "local": "2018-08-27T18:50:38+02:00", "utc": "2018-08-27T16:50:38Z", "ms": 1535388637710.127 }, "end": { "local": "2018-08-27T18:50:38+02:00", "utc": "2018-08-27T16:50:38Z", "ms": 1535388637710.127 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-28", "window": { "start": { "local": "2018-08-28T19:43:19+02:00", "utc": "2018-08-28T17:43:19Z", "ms": 1535478198799.9216 }, "end": { "local": "2018-08-28T19:43:19+02:00", "utc": "2018-08-28T17:43:19Z", "ms": 1535478198799.9216 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 15:45 on Mon 27 Aug to 17:10 on Tue 28 Aug.", "fact": "2018-08-27T13:45:01Z → 2018-08-28T15:09:47Z" }, { "step": "kaala", "text": "Moonrise is at 18:51 on the 27th and 19:43 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 9212 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Pretoria, 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 Pretoria, Aśūnya Śayana Vrata 2018 falls on Monday 27 August. Dvitīyā runs from 15:45 on Mon 27 Aug to 17:10 on Tue 28 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16627, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-08-28T17:09:47+02:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "end": { "local": "2018-08-29T18:08:27+02:00", "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": "2018-08-28T17:09:47+02:00", "utc": "2018-08-28T15:09:47Z", "ms": 1535468987056.746 }, "end": { "local": "2018-08-29T18:08:27+02:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-28", "window": { "start": { "local": "2018-08-28T11:44:40+02:00", "utc": "2018-08-28T09:44:40Z", "ms": 1535449480228.9897 }, "end": { "local": "2018-08-28T12:32:40+02:00", "utc": "2018-08-28T10:32:40Z", "ms": 1535452360228.9897 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T11:44:22+02:00", "utc": "2018-08-29T09:44:22Z", "ms": 1535535862322.1182 }, "end": { "local": "2018-08-29T12:32:22+02:00", "utc": "2018-08-29T10:32:22Z", "ms": 1535538742322.1182 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:10 on Tue 28 Aug to 18:08 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: 11:45–12:33 on the 28th, 11:44–12:32 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 16627 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Pretoria, 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 Pretoria, Kajjalī Tṛtīyā (Kajari Teej) 2018 falls on Wednesday 29 August. Tṛtīyā runs from 17:10 on Tue 28 Aug to 18:08 on Wed 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-08-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8889, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-29T18:08:27+02:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T18:39:33+02:00", "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": "2018-08-29T18:08:27+02:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T18:39:33+02:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T20:36:35+02:00", "utc": "2018-08-29T18:36:35Z", "ms": 1535567795245.513 }, "end": { "local": "2018-08-29T20:36:35+02:00", "utc": "2018-08-29T18:36:35Z", "ms": 1535567795245.513 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-08-30", "window": { "start": { "local": "2018-08-30T21:30:56+02:00", "utc": "2018-08-30T19:30:56Z", "ms": 1535657455500.6418 }, "end": { "local": "2018-08-30T21:30:56+02:00", "utc": "2018-08-30T19:30:56Z", "ms": 1535657455500.6418 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:08 on Wed 29 Aug to 18:40 on Thu 30 Aug.", "fact": "2018-08-29T16:08:27Z → 2018-08-30T16:39:33Z" }, { "step": "kaala", "text": "Moonrise is at 20:37 on the 29th and 21:31 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 8889 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Wednesday 29 August. Caturthī runs from 18:08 on Wed 29 Aug to 18:40 on Thu 30 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 884, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-08-29T18:08:27+02:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T18:39:33+02:00", "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": "2018-08-29T18:08:27+02:00", "utc": "2018-08-29T16:08:27Z", "ms": 1535558906631.1692 }, "end": { "local": "2018-08-30T18:39:33+02:00", "utc": "2018-08-30T16:39:33Z", "ms": 1535647172769.437 } }, "kaala": "sayahna", "days": [ { "local_date": "2018-08-29", "window": { "start": { "local": "2018-08-29T15:35:34+02:00", "utc": "2018-08-29T13:35:34Z", "ms": 1535549734405.161 }, "end": { "local": "2018-08-29T17:53:42+02:00", "utc": "2018-08-29T15:53:42Z", "ms": 1535558022460.5227 } }, "covered_min": 0, "window_min": 138, "qualifies": false }, { "local_date": "2018-08-30", "window": { "start": { "local": "2018-08-30T15:35:41+02:00", "utc": "2018-08-30T13:35:41Z", "ms": 1535636141451.0293 }, "end": { "local": "2018-08-30T17:54:06+02:00", "utc": "2018-08-30T15:54:06Z", "ms": 1535644446365.9197 } }, "covered_min": 138, "window_min": 138, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:08 on Wed 29 Aug to 18:40 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: 15:36–17:54 on the 29th, 15:36–17:54 on the 30th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 138 minutes on the 29th and 138 of 138 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 884 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Pretoria, 2018: Thursday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-08-30", "confidence": "determinate" } ], "quote": "In Pretoria, Bahulā Caturthī 2018 falls on Thursday 30 August. Caturthī runs from 18:08 on Wed 29 Aug to 18:40 on Thu 30 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20598, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-08-31T18:41:57+02:00", "utc": "2018-08-31T16:41:57Z", "ms": 1535733716910.0825 }, "end": { "local": "2018-09-01T18:14:44+02:00", "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": "2018-08-31T18:41:57+02:00", "utc": "2018-08-31T16:41:57Z", "ms": 1535733716910.0825 }, "end": { "local": "2018-09-01T18:14:44+02:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-08-31", "window": { "start": { "local": "2018-08-31T11:43:46+02:00", "utc": "2018-08-31T09:43:46Z", "ms": 1535708625517.9678 }, "end": { "local": "2018-08-31T12:31:46+02:00", "utc": "2018-08-31T10:31:46Z", "ms": 1535711505517.9678 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-01", "window": { "start": { "local": "2018-09-01T11:43:27+02:00", "utc": "2018-09-01T09:43:27Z", "ms": 1535795006659.2556 }, "end": { "local": "2018-09-01T12:31:27+02:00", "utc": "2018-09-01T10:31:27Z", "ms": 1535797886659.2556 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:42 on Fri 31 Aug to 18:15 on Sat 1 Sep.", "fact": "2018-08-31T16:41:57Z → 2018-09-01T16:14:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 31st, 11:43–12:31 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 20598 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Pretoria, 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 Pretoria, Hala Ṣaṣṭhī 2018 falls on Saturday 1 September. Ṣaṣṭhī runs from 18:42 on Fri 31 Aug to 18:15 on Sat 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23113, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-09-02T17:17:23+02:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "end": { "local": "2018-09-03T15:50:01+02:00", "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": "2018-09-02T17:17:23+02:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 }, "end": { "local": "2018-09-03T15:50:01+02:00", "utc": "2018-09-03T13:50:01Z", "ms": 1535982600776.3923 } }, "kaala": "nishita", "days": [ { "local_date": "2018-09-02", "window": { "start": { "local": "2018-09-02T23:42:36+02:00", "utc": "2018-09-02T21:42:36Z", "ms": 1535924556362.41 }, "end": { "local": "2018-09-03T00:30:36+02:00", "utc": "2018-09-02T22:30:36Z", "ms": 1535927436362.41 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-03", "window": { "start": { "local": "2018-09-03T23:42:17+02:00", "utc": "2018-09-03T21:42:17Z", "ms": 1536010936755.8647 }, "end": { "local": "2018-09-04T00:30:17+02:00", "utc": "2018-09-03T22:30:17Z", "ms": 1536013816755.8647 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:17 on Sun 2 Sep to 15:50 on Mon 3 Sep.", "fact": "2018-09-02T15:17:23Z → 2018-09-03T13:50:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 2nd, 23:42–00:30 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 23113 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Pretoria, 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 Pretoria, Janmāṣṭamī 2018 falls on Sunday 2 September. Aṣṭamī runs from 17:17 on Sun 2 Sep to 15:50 on Mon 3 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17176, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-09-01T18:14:44+02:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "end": { "local": "2018-09-02T17:17:23+02:00", "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": "2018-09-01T18:14:44+02:00", "utc": "2018-09-01T16:14:44Z", "ms": 1535818484364.1775 }, "end": { "local": "2018-09-02T17:17:23+02:00", "utc": "2018-09-02T15:17:23Z", "ms": 1535901443061.234 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-01", "window": { "start": { "local": "2018-09-01T11:43:27+02:00", "utc": "2018-09-01T09:43:27Z", "ms": 1535795006659.2556 }, "end": { "local": "2018-09-01T12:31:27+02:00", "utc": "2018-09-01T10:31:27Z", "ms": 1535797886659.2556 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-02", "window": { "start": { "local": "2018-09-02T11:43:08+02:00", "utc": "2018-09-02T09:43:08Z", "ms": 1535881387521.5706 }, "end": { "local": "2018-09-02T12:31:08+02:00", "utc": "2018-09-02T10:31:08Z", "ms": 1535884267521.5706 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:15 on Sat 1 Sep to 17:17 on Sun 2 Sep.", "fact": "2018-09-01T16:14:44Z → 2018-09-02T15:17:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 1st, 11:43–12:31 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 17176 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Pretoria, 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 Pretoria, Śītalā Saptamī 2018 falls on Sunday 2 September. Saptamī runs from 18:15 on Sat 1 Sep to 17:17 on Sun 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-09-06", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9045, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-09-05T11:30:58+02:00", "utc": "2018-09-05T09:30:58Z", "ms": 1536139858454.8364 }, "end": { "local": "2018-09-06T08:45:31+02:00", "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": "2018-09-05T11:30:58+02:00", "utc": "2018-09-05T09:30:58Z", "ms": 1536139858454.8364 }, "end": { "local": "2018-09-06T08:45:31+02:00", "utc": "2018-09-06T06:45:31Z", "ms": 1536216330621.424 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-09-05", "window": { "start": { "local": "2018-09-05T06:15:49+02:00", "utc": "2018-09-05T04:15:49Z", "ms": 1536120949413.7598 }, "end": { "local": "2018-09-05T06:15:49+02:00", "utc": "2018-09-05T04:15:49Z", "ms": 1536120949413.7598 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-06", "window": { "start": { "local": "2018-09-06T06:14:46+02:00", "utc": "2018-09-06T04:14:46Z", "ms": 1536207285919.853 }, "end": { "local": "2018-09-06T06:14:46+02:00", "utc": "2018-09-06T04:14:46Z", "ms": 1536207285919.853 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:31 on Wed 5 Sep to 08:46 on Thu 6 Sep.", "fact": "2018-09-05T09:30:58Z → 2018-09-06T06:45:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 5th and 06:15 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 9045 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Pretoria, 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 Pretoria, Ajā Ekādaśī 2018 falls on Thursday 6 September. Ekādaśī runs from 11:31 on Wed 5 Sep to 08:46 on Thu 6 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-09-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24820, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-09-07T05:42:37+02:00", "utc": "2018-09-07T03:42:37Z", "ms": 1536291757497.336 }, "end": { "local": "2018-09-08T02:28:57+02:00", "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": "2018-09-07T05:42:37+02:00", "utc": "2018-09-07T03:42:37Z", "ms": 1536291757497.336 }, "end": { "local": "2018-09-08T02:28:57+02:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-06", "window": { "start": { "local": "2018-09-06T17:56:51+02:00", "utc": "2018-09-06T15:56:51Z", "ms": 1536249411160.6196 }, "end": { "local": "2018-09-06T19:35:06+02:00", "utc": "2018-09-06T17:35:06Z", "ms": 1536255305950.0884 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T17:57:14+02:00", "utc": "2018-09-07T15:57:14Z", "ms": 1536335834459.2312 }, "end": { "local": "2018-09-07T19:35:18+02:00", "utc": "2018-09-07T17:35:18Z", "ms": 1536341717587.505 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:43 on Fri 7 Sep to 02:29 on Sat 8 Sep.", "fact": "2018-09-07T03:42:37Z → 2018-09-08T00:28:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:35 on the 6th, 17:57–19:35 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 98 minutes on the 6th and 98 of 98 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24820 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 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 Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 7 September. Trayodaśī runs from 05:43 on Fri 7 Sep to 02:29 on Sat 8 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-09-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-07", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1697, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-08T02:28:57+02:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-08T23:12:19+02:00", "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": "2018-09-08T02:28:57+02:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-08T23:12:19+02:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 } }, "kaala": "nishita", "days": [ { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T23:40:56+02:00", "utc": "2018-09-07T21:40:56Z", "ms": 1536356456190.2578 }, "end": { "local": "2018-09-08T00:28:56+02:00", "utc": "2018-09-07T22:28:56Z", "ms": 1536359336190.2578 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-08", "window": { "start": { "local": "2018-09-08T23:40:36+02:00", "utc": "2018-09-08T21:40:36Z", "ms": 1536442835590.6477 }, "end": { "local": "2018-09-09T00:28:36+02:00", "utc": "2018-09-08T22:28:36Z", "ms": 1536445715590.6477 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:29 on Sat 8 Sep to 23:12 on Sat 8 Sep.", "fact": "2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 7th, 23:41–00:29 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 1697 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Friday 7 September. Caturdaśī runs from 02:29 on Sat 8 Sep to 23:12 on Sat 8 Sep, and reaches niśītha on neither day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13010, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-08T02:28:57+02:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-08T23:12:19+02:00", "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": "2018-09-08T02:28:57+02:00", "utc": "2018-09-08T00:28:57Z", "ms": 1536366537181.8208 }, "end": { "local": "2018-09-08T23:12:19+02:00", "utc": "2018-09-08T21:12:19Z", "ms": 1536441138890.2273 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-07", "window": { "start": { "local": "2018-09-07T17:57:14+02:00", "utc": "2018-09-07T15:57:14Z", "ms": 1536335834459.2312 }, "end": { "local": "2018-09-07T19:35:18+02:00", "utc": "2018-09-07T17:35:18Z", "ms": 1536341717587.505 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2018-09-08", "window": { "start": { "local": "2018-09-08T17:57:38+02:00", "utc": "2018-09-08T15:57:38Z", "ms": 1536422257720.5964 }, "end": { "local": "2018-09-08T19:35:29+02:00", "utc": "2018-09-08T17:35:29Z", "ms": 1536428129152.61 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:29 on Sat 8 Sep to 23:12 on Sat 8 Sep.", "fact": "2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:35 on the 7th, 17:58–19:35 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 98 minutes on the 7th and 98 of 98 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 13010 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Pretoria, 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 Pretoria, Aghora Caturdaśī 2018 falls on Saturday 8 September. Caturdaśī runs from 02:29 on Sat 8 Sep to 23:12 on Sat 8 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16639, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-09-09T20:01:28+02:00", "utc": "2018-09-09T18:01:28Z", "ms": 1536516087831.1147 }, "end": { "local": "2018-09-10T17:05:46+02:00", "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": "2018-09-09T20:01:28+02:00", "utc": "2018-09-09T18:01:28Z", "ms": 1536516087831.1147 }, "end": { "local": "2018-09-10T17:05:46+02:00", "utc": "2018-09-10T15:05:46Z", "ms": 1536591945515.9116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-09", "window": { "start": { "local": "2018-09-09T11:40:47+02:00", "utc": "2018-09-09T09:40:47Z", "ms": 1536486047205.5986 }, "end": { "local": "2018-09-09T12:28:47+02:00", "utc": "2018-09-09T10:28:47Z", "ms": 1536488927205.5986 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-10", "window": { "start": { "local": "2018-09-10T11:40:26+02:00", "utc": "2018-09-10T09:40:26Z", "ms": 1536572426438.1365 }, "end": { "local": "2018-09-10T12:28:26+02:00", "utc": "2018-09-10T10:28:26Z", "ms": 1536575306438.1365 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:01 on Sun 9 Sep to 17:06 on Mon 10 Sep.", "fact": "2018-09-09T18:01:28Z → 2018-09-10T15:05:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 9th, 11:40–12:28 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 16639 s" }, { "step": "ruling", "text": "Rudra Vrata, Pretoria, 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 Pretoria, Rudra Vrata 2018 falls on Monday 10 September. Pratipadā runs from 20:01 on Sun 9 Sep to 17:06 on Mon 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 584, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2018-09-11T14:34:44+02:00", "utc": "2018-09-11T12:34:44Z", "ms": 1536669283697.1453 }, "end": { "local": "2018-09-12T12:37:29+02:00", "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": "2018-09-11T14:34:44+02:00", "utc": "2018-09-11T12:34:44Z", "ms": 1536669283697.1453 }, "end": { "local": "2018-09-12T12:37:29+02:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-11", "window": { "start": { "local": "2018-09-11T11:40:06+02:00", "utc": "2018-09-11T09:40:06Z", "ms": 1536658805532.6472 }, "end": { "local": "2018-09-11T12:28:06+02:00", "utc": "2018-09-11T10:28:06Z", "ms": 1536661685532.6472 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-12", "window": { "start": { "local": "2018-09-12T11:39:45+02:00", "utc": "2018-09-12T09:39:45Z", "ms": 1536745184503.9922 }, "end": { "local": "2018-09-12T12:27:45+02:00", "utc": "2018-09-12T10:27:45Z", "ms": 1536748064503.9922 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:35 on Tue 11 Sep to 12:37 on Wed 12 Sep.", "fact": "2018-09-11T12:34:44Z → 2018-09-12T10:37:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 11th, 11:40–12:28 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 584 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Pretoria, 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 Pretoria, Haritālikā Vrata (Hartalika Teej) 2018 falls on Wednesday 12 September. Tṛtīyā runs from 14:35 on Tue 11 Sep to 12:37 on Wed 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 584, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-09-12T12:37:29+02:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "end": { "local": "2018-09-13T11:21:55+02:00", "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": "2018-09-12T12:37:29+02:00", "utc": "2018-09-12T10:37:29Z", "ms": 1536748648969.6477 }, "end": { "local": "2018-09-13T11:21:55+02:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-12", "window": { "start": { "local": "2018-09-12T11:39:45+02:00", "utc": "2018-09-12T09:39:45Z", "ms": 1536745184503.9922 }, "end": { "local": "2018-09-12T12:27:45+02:00", "utc": "2018-09-12T10:27:45Z", "ms": 1536748064503.9922 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-13", "window": { "start": { "local": "2018-09-13T11:39:23+02:00", "utc": "2018-09-13T09:39:23Z", "ms": 1536831563368.0537 }, "end": { "local": "2018-09-13T12:27:23+02:00", "utc": "2018-09-13T10:27:23Z", "ms": 1536834443368.0537 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:37 on Wed 12 Sep to 11:22 on Thu 13 Sep.", "fact": "2018-09-12T10:37:29Z → 2018-09-13T09:21:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 12th, 11:39–12:27 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 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 584 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Pretoria, 2018: Thursday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-12", "confidence": "determinate" } ], "quote": "In Pretoria, Gaṇeśa Caturthī 2018 falls on Thursday 13 September. Caturthī runs from 12:37 on Wed 12 Sep to 11:22 on Thu 13 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1048, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-09-13T11:21:55+02:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "end": { "local": "2018-09-14T10:53:43+02:00", "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": "2018-09-13T11:21:55+02:00", "utc": "2018-09-13T09:21:55Z", "ms": 1536830515144.8503 }, "end": { "local": "2018-09-14T10:53:43+02:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-13", "window": { "start": { "local": "2018-09-13T11:39:23+02:00", "utc": "2018-09-13T09:39:23Z", "ms": 1536831563368.0537 }, "end": { "local": "2018-09-13T12:27:23+02:00", "utc": "2018-09-13T10:27:23Z", "ms": 1536834443368.0537 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-14", "window": { "start": { "local": "2018-09-14T11:39:02+02:00", "utc": "2018-09-14T09:39:02Z", "ms": 1536917942141.8223 }, "end": { "local": "2018-09-14T12:27:02+02:00", "utc": "2018-09-14T10:27:02Z", "ms": 1536920822141.8223 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:22 on Thu 13 Sep to 10:54 on Fri 14 Sep.", "fact": "2018-09-13T09:21:55Z → 2018-09-14T08:53:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 13th, 11:39–12:27 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 1048 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Pretoria, 2018: Thursday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-13", "confidence": "boundary" } ], "quote": "In Pretoria, Ṛṣi Pañcamī 2018 falls on Thursday 13 September. Pañcamī runs from 11:22 on Thu 13 Sep to 10:54 on Fri 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1408, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-09-14T10:53:43+02:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "end": { "local": "2018-09-15T11:15:13+02:00", "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": "2018-09-14T10:53:43+02:00", "utc": "2018-09-14T08:53:43Z", "ms": 1536915222981.1626 }, "end": { "local": "2018-09-15T11:15:13+02:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-14", "window": { "start": { "local": "2018-09-14T11:39:02+02:00", "utc": "2018-09-14T09:39:02Z", "ms": 1536917942141.8223 }, "end": { "local": "2018-09-14T12:27:02+02:00", "utc": "2018-09-14T10:27:02Z", "ms": 1536920822141.8223 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-15", "window": { "start": { "local": "2018-09-15T11:38:41+02:00", "utc": "2018-09-15T09:38:41Z", "ms": 1537004320843.3496 }, "end": { "local": "2018-09-15T12:26:41+02:00", "utc": "2018-09-15T10:26:41Z", "ms": 1537007200843.3496 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:54 on Fri 14 Sep to 11:15 on Sat 15 Sep.", "fact": "2018-09-14T08:53:43Z → 2018-09-15T09:15:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 14th, 11:39–12:27 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 1408 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Pretoria, 2018: Friday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-15", "confidence": "boundary" } ], "quote": "In Pretoria, Sūrya Ṣaṣṭhī (Bhādrapada) 2018 falls on Friday 14 September. Ṣaṣṭhī runs from 10:54 on Fri 14 Sep to 11:15 on Sat 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-15", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 114, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-09-15T11:15:13+02:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "end": { "local": "2018-09-16T12:24:25+02:00", "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": "2018-09-15T11:15:13+02:00", "utc": "2018-09-15T09:15:13Z", "ms": 1537002912849.6812 }, "end": { "local": "2018-09-16T12:24:25+02:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-15", "window": { "start": { "local": "2018-09-15T11:38:41+02:00", "utc": "2018-09-15T09:38:41Z", "ms": 1537004320843.3496 }, "end": { "local": "2018-09-15T12:26:41+02:00", "utc": "2018-09-15T10:26:41Z", "ms": 1537007200843.3496 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-16", "window": { "start": { "local": "2018-09-16T11:38:19+02:00", "utc": "2018-09-16T09:38:19Z", "ms": 1537090699491.627 }, "end": { "local": "2018-09-16T12:26:19+02:00", "utc": "2018-09-16T10:26:19Z", "ms": 1537093579491.627 } }, "covered_min": 46, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:15 on Sat 15 Sep to 12:24 on Sun 16 Sep.", "fact": "2018-09-15T09:15:13Z → 2018-09-16T10:24:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 15th, 11:38–12:26 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 46 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 114 s < 300 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Pretoria, 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 Pretoria, Muktābharaṇa Vrata 2018 falls on Saturday 15 September. Saptamī runs from 11:15 on Sat 15 Sep to 12:24 on Sun 16 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 46 minutes; by the rule the first midday is taken. It is 1 min 54 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-17", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 114, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-09-16T12:24:25+02:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "end": { "local": "2018-09-17T14:14:32+02:00", "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": "2018-09-16T12:24:25+02:00", "utc": "2018-09-16T10:24:25Z", "ms": 1537093465156.734 }, "end": { "local": "2018-09-17T14:14:32+02:00", "utc": "2018-09-17T12:14:32Z", "ms": 1537186471983.9614 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-16", "window": { "start": { "local": "2018-09-16T11:38:19+02:00", "utc": "2018-09-16T09:38:19Z", "ms": 1537090699491.627 }, "end": { "local": "2018-09-16T12:26:19+02:00", "utc": "2018-09-16T10:26:19Z", "ms": 1537093579491.627 } }, "covered_min": 2, "window_min": 48, "qualifies": true }, { "local_date": "2018-09-17", "window": { "start": { "local": "2018-09-17T11:37:58+02:00", "utc": "2018-09-17T09:37:58Z", "ms": 1537177078106.4424 }, "end": { "local": "2018-09-17T12:25:58+02:00", "utc": "2018-09-17T10:25:58Z", "ms": 1537179958106.4424 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:24 on Sun 16 Sep to 14:15 on Mon 17 Sep.", "fact": "2018-09-16T10:24:25Z → 2018-09-17T12:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 16th, 11:38–12:26 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 2 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": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 114 s < 300 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Pretoria, 2018: Monday 17 September.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-09-17", "confidence": "boundary" } ], "quote": "In Pretoria, Rādhāṣṭamī 2018 falls on Monday 17 September. Aṣṭamī runs from 12:24 on Sun 16 Sep to 14:15 on Mon 17 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 2 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 54 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-09-20", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29513, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-09-19T19:09:57+02:00", "utc": "2018-09-19T17:09:57Z", "ms": 1537376997300.0315 }, "end": { "local": "2018-09-20T21:46:32+02:00", "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": "2018-09-19T19:09:57+02:00", "utc": "2018-09-19T17:09:57Z", "ms": 1537376997300.0315 }, "end": { "local": "2018-09-20T21:46:32+02:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-09-20", "window": { "start": { "local": "2018-09-20T05:59:31+02:00", "utc": "2018-09-20T03:59:31Z", "ms": 1537415970975.5725 }, "end": { "local": "2018-09-20T05:59:31+02:00", "utc": "2018-09-20T03:59:31Z", "ms": 1537415970975.5725 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T05:58:25+02:00", "utc": "2018-09-21T03:58:25Z", "ms": 1537502304729.143 }, "end": { "local": "2018-09-21T05:58:25+02:00", "utc": "2018-09-21T03:58:25Z", "ms": 1537502304729.143 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:10 on Wed 19 Sep to 21:47 on Thu 20 Sep.", "fact": "2018-09-19T17:09:57Z → 2018-09-20T19:46:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 20th and 05:58 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 29513 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Pretoria, 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 Pretoria, Parivartanī Ekādaśī 2018 falls on Thursday 20 September. Ekādaśī runs from 19:10 on Wed 19 Sep to 21:47 on Thu 20 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33698, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-09-20T21:46:32+02:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "end": { "local": "2018-09-22T00:11:01+02:00", "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": "2018-09-20T21:46:32+02:00", "utc": "2018-09-20T19:46:32Z", "ms": 1537472791552.3367 }, "end": { "local": "2018-09-22T00:11:01+02:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-09-20", "window": { "start": { "local": "2018-09-20T11:36:54+02:00", "utc": "2018-09-20T09:36:54Z", "ms": 1537436213957.5068 }, "end": { "local": "2018-09-20T12:24:54+02:00", "utc": "2018-09-20T10:24:54Z", "ms": 1537439093957.5068 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T11:36:33+02:00", "utc": "2018-09-21T09:36:33Z", "ms": 1537522592648.5254 }, "end": { "local": "2018-09-21T12:24:33+02:00", "utc": "2018-09-21T10:24:33Z", "ms": 1537525472648.5254 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:47 on Thu 20 Sep to 00:11 on Sat 22 Sep.", "fact": "2018-09-20T19:46:32Z → 2018-09-21T22:11:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 20th, 11:37–12:25 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 33698 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Pretoria, 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 Pretoria, Vāmana Jayantī 2018 falls on Friday 21 September. Dvādaśī runs from 21:47 on Thu 20 Sep to 00:11 on Sat 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-09-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16383, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-09-22T00:11:01+02:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "end": { "local": "2018-09-23T02:13:33+02:00", "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": "2018-09-22T00:11:01+02:00", "utc": "2018-09-21T22:11:01Z", "ms": 1537567860848.9966 }, "end": { "local": "2018-09-23T02:13:33+02:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-09-21", "window": { "start": { "local": "2018-09-21T18:02:41+02:00", "utc": "2018-09-21T16:02:41Z", "ms": 1537545760567.9075 }, "end": { "local": "2018-09-21T19:37:58+02:00", "utc": "2018-09-21T17:37:58Z", "ms": 1537551477626.3862 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2018-09-22", "window": { "start": { "local": "2018-09-22T18:03:04+02:00", "utc": "2018-09-22T16:03:04Z", "ms": 1537632184320.7795 }, "end": { "local": "2018-09-22T19:38:09+02:00", "utc": "2018-09-22T17:38:09Z", "ms": 1537637889389.5159 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:11 on Sat 22 Sep to 02:14 on Sun 23 Sep.", "fact": "2018-09-21T22:11:01Z → 2018-09-23T00:13:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:38 on the 21st, 18:03–19:38 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 21st and 95 of 95 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16383 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Saturday 22 September. Trayodaśī runs from 00:11 on Sat 22 Sep to 02:14 on Sun 23 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7617, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-09-23T02:13:33+02:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "end": { "local": "2018-09-24T03:48:09+02:00", "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": "2018-09-23T02:13:33+02:00", "utc": "2018-09-23T00:13:33Z", "ms": 1537661613398.4084 }, "end": { "local": "2018-09-24T03:48:09+02:00", "utc": "2018-09-24T01:48:09Z", "ms": 1537753689242.162 } }, "kaala": "udaya-3", "days": [ { "local_date": "2018-09-23", "window": { "start": { "local": "2018-09-23T05:56:12+02:00", "utc": "2018-09-23T03:56:12Z", "ms": 1537674972336.3013 }, "end": { "local": "2018-09-23T08:21:40+02:00", "utc": "2018-09-23T06:21:40Z", "ms": 1537683699512.094 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "2018-09-24", "window": { "start": { "local": "2018-09-24T05:55:06+02:00", "utc": "2018-09-24T03:55:06Z", "ms": 1537761306247.5205 }, "end": { "local": "2018-09-24T08:20:51+02:00", "utc": "2018-09-24T06:20:51Z", "ms": 1537770051451.835 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:14 on Sun 23 Sep to 03:48 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: 05:56–08:22 on the 23rd, 05:55–08:21 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 146 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 7617 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Pretoria, 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 Pretoria, Ananta Caturdaśī 2018 falls on Sunday 23 September. Caturdaśī runs from 02:14 on Sun 23 Sep to 03:48 on Mon 24 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-09-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26050, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-09-28T05:14:38+02:00", "utc": "2018-09-28T03:14:38Z", "ms": 1538104478302.8882 }, "end": { "local": "2018-09-29T04:34:01+02:00", "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": "2018-09-28T05:14:38+02:00", "utc": "2018-09-28T03:14:38Z", "ms": 1538104478302.8882 }, "end": { "local": "2018-09-29T04:34:01+02:00", "utc": "2018-09-29T02:34:01Z", "ms": 1538188440799.8599 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-09-27", "window": { "start": { "local": "2018-09-27T20:22:04+02:00", "utc": "2018-09-27T18:22:04Z", "ms": 1538072524206.1218 }, "end": { "local": "2018-09-27T20:22:04+02:00", "utc": "2018-09-27T18:22:04Z", "ms": 1538072524206.1218 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-28", "window": { "start": { "local": "2018-09-28T21:19:51+02:00", "utc": "2018-09-28T19:19:51Z", "ms": 1538162391177.2153 }, "end": { "local": "2018-09-28T21:19:51+02:00", "utc": "2018-09-28T19:19:51Z", "ms": 1538162391177.2153 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:15 on Fri 28 Sep to 04:34 on Sat 29 Sep.", "fact": "2018-09-28T03:14:38Z → 2018-09-29T02:34:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 27th and 21:20 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 26050 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Friday 28 September. Caturthī runs from 05:15 on Fri 28 Sep to 04:34 on Sat 29 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10525, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-09-30T03:33:37+02:00", "utc": "2018-09-30T01:33:37Z", "ms": 1538271217018.0454 }, "end": { "local": "2018-10-01T02:15:05+02:00", "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": "2018-09-30T03:33:37+02:00", "utc": "2018-09-30T01:33:37Z", "ms": 1538271217018.0454 }, "end": { "local": "2018-10-01T02:15:05+02:00", "utc": "2018-10-01T00:15:05Z", "ms": 1538352904691.5183 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-09-29", "window": { "start": { "local": "2018-09-29T22:19:14+02:00", "utc": "2018-09-29T20:19:14Z", "ms": 1538252353846.6177 }, "end": { "local": "2018-09-29T22:19:14+02:00", "utc": "2018-09-29T20:19:14Z", "ms": 1538252353846.6177 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-09-30", "window": { "start": { "local": "2018-09-30T23:19:39+02:00", "utc": "2018-09-30T21:19:39Z", "ms": 1538342379390.1387 }, "end": { "local": "2018-09-30T23:19:39+02:00", "utc": "2018-09-30T21:19:39Z", "ms": 1538342379390.1387 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:34 on Sun 30 Sep to 02:15 on Mon 1 Oct.", "fact": "2018-09-30T01:33:37Z → 2018-10-01T00:15:05Z" }, { "step": "kaala", "text": "Moonrise is at 22:19 on the 29th and 23:20 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 10525 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Pretoria, 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 Pretoria, Candra Ṣaṣṭhī 2018 falls on Sunday 30 September. Ṣaṣṭhī runs from 03:34 on Sun 30 Sep to 02:15 on Mon 1 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-01", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1165, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-02T00:39:25+02:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T22:47:26+02:00", "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": "2018-10-02T00:39:25+02:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T22:47:26+02:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-01", "window": { "start": { "local": "2018-10-02T00:20:01+02:00", "utc": "2018-10-01T22:20:01Z", "ms": 1538432400831.1606 }, "end": { "local": "2018-10-02T00:20:01+02:00", "utc": "2018-10-01T22:20:01Z", "ms": 1538432400831.1606 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-02", "window": { "start": { "local": "2018-10-03T01:18:48+02:00", "utc": "2018-10-02T23:18:48Z", "ms": 1538522328062.367 }, "end": { "local": "2018-10-03T01:18:48+02:00", "utc": "2018-10-02T23:18:48Z", "ms": 1538522328062.367 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:39 on Tue 2 Oct to 22:47 on Tue 2 Oct.", "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z" }, { "step": "kaala", "text": "Moonrise is at 00:20 on the 1st and 01:19 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 1165 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Pretoria, 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 Pretoria, Mahālakṣmī Vrata Samāpana 2018 falls on Monday 1 October. Aṣṭamī runs from 00:39 on Tue 2 Oct to 22:47 on Tue 2 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11228, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-02T00:39:25+02:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T22:47:26+02:00", "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": "2018-10-02T00:39:25+02:00", "utc": "2018-10-01T22:39:25Z", "ms": 1538433565413.93 }, "end": { "local": "2018-10-02T22:47:26+02:00", "utc": "2018-10-02T20:47:26Z", "ms": 1538513245742.2275 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-01", "window": { "start": { "local": "2018-10-01T18:06:47+02:00", "utc": "2018-10-01T16:06:47Z", "ms": 1538410006643.2593 }, "end": { "local": "2018-10-01T19:40:04+02:00", "utc": "2018-10-01T17:40:04Z", "ms": 1538415603623.829 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2018-10-02", "window": { "start": { "local": "2018-10-02T18:07:13+02:00", "utc": "2018-10-02T16:07:13Z", "ms": 1538496432621.7283 }, "end": { "local": "2018-10-02T19:40:18+02:00", "utc": "2018-10-02T17:40:18Z", "ms": 1538502017600.4885 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:39 on Tue 2 Oct to 22:47 on Tue 2 Oct.", "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:40 on the 1st, 18:07–19:40 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 93 minutes on the 1st and 93 of 93 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 11228 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Pretoria, 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 Pretoria, Jitāṣṭamī (Jitiya) 2018 falls on Tuesday 2 October. Aṣṭamī runs from 00:39 on Tue 2 Oct to 22:47 on Tue 2 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-10-05", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36282, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-10-04T18:19:17+02:00", "utc": "2018-10-04T16:19:17Z", "ms": 1538669957162.1123 }, "end": { "local": "2018-10-05T15:47:55+02:00", "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": "2018-10-04T18:19:17+02:00", "utc": "2018-10-04T16:19:17Z", "ms": 1538669957162.1123 }, "end": { "local": "2018-10-05T15:47:55+02:00", "utc": "2018-10-05T13:47:55Z", "ms": 1538747275036.1294 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-10-04", "window": { "start": { "local": "2018-10-04T05:44:16+02:00", "utc": "2018-10-04T03:44:16Z", "ms": 1538624656298.316 }, "end": { "local": "2018-10-04T05:44:16+02:00", "utc": "2018-10-04T03:44:16Z", "ms": 1538624656298.316 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-05", "window": { "start": { "local": "2018-10-05T05:43:13+02:00", "utc": "2018-10-05T03:43:13Z", "ms": 1538710993031.6099 }, "end": { "local": "2018-10-05T05:43:13+02:00", "utc": "2018-10-05T03:43:13Z", "ms": 1538710993031.6099 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:19 on Thu 4 Oct to 15:48 on Fri 5 Oct.", "fact": "2018-10-04T16:19:17Z → 2018-10-05T13:47:55Z" }, { "step": "kaala", "text": "Sunrise is at 05:44 on the 4th and 05:43 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 36282 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Pretoria, 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 Pretoria, Indirā Ekādaśī 2018 falls on Friday 5 October. Ekādaśī runs from 18:19 on Thu 4 Oct to 15:48 on Fri 5 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-10-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17913, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-10-06T13:10:26+02:00", "utc": "2018-10-06T11:10:26Z", "ms": 1538824226432.8416 }, "end": { "local": "2018-10-07T10:32:46+02:00", "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": "2018-10-06T13:10:26+02:00", "utc": "2018-10-06T11:10:26Z", "ms": 1538824226432.8416 }, "end": { "local": "2018-10-07T10:32:46+02:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-06", "window": { "start": { "local": "2018-10-06T18:09:00+02:00", "utc": "2018-10-06T16:09:00Z", "ms": 1538842139780.1921 }, "end": { "local": "2018-10-06T19:41:17+02:00", "utc": "2018-10-06T17:41:17Z", "ms": 1538847676848.3784 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "2018-10-07", "window": { "start": { "local": "2018-10-07T18:09:27+02:00", "utc": "2018-10-07T16:09:27Z", "ms": 1538928567430.6038 }, "end": { "local": "2018-10-07T19:41:33+02:00", "utc": "2018-10-07T17:41:33Z", "ms": 1538934092555.4373 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:10 on Sat 6 Oct to 10:33 on Sun 7 Oct.", "fact": "2018-10-06T11:10:26Z → 2018-10-07T08:32:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:41 on the 6th, 18:09–19:42 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 6th and 0 of 92 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17913 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 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 Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 6 October. Trayodaśī runs from 13:10 on Sat 6 Oct to 10:33 on Sun 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-10-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27802, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-10-07T10:32:46+02:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "end": { "local": "2018-10-08T08:02:09+02:00", "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": "2018-10-07T10:32:46+02:00", "utc": "2018-10-07T08:32:46Z", "ms": 1538901166173.427 }, "end": { "local": "2018-10-08T08:02:09+02:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 } }, "kaala": "nishita", "days": [ { "local_date": "2018-10-06", "window": { "start": { "local": "2018-10-06T23:31:04+02:00", "utc": "2018-10-06T21:31:04Z", "ms": 1538861463785.8906 }, "end": { "local": "2018-10-07T00:19:04+02:00", "utc": "2018-10-06T22:19:04Z", "ms": 1538864343785.8906 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-10-07", "window": { "start": { "local": "2018-10-07T23:30:47+02:00", "utc": "2018-10-07T21:30:47Z", "ms": 1538947846648.7295 }, "end": { "local": "2018-10-08T00:18:47+02:00", "utc": "2018-10-07T22:18:47Z", "ms": 1538950726648.7295 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:33 on Sun 7 Oct to 08:02 on Mon 8 Oct.", "fact": "2018-10-07T08:32:46Z → 2018-10-08T06:02:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:31–00:19 on the 6th, 23:31–00:19 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 27802 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Sunday 7 October. Caturdaśī runs from 10:33 on Sun 7 Oct to 08:02 on Mon 8 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18470, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-10-08T08:02:09+02:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "end": { "local": "2018-10-09T05:46:51+02:00", "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": "2018-10-08T08:02:09+02:00", "utc": "2018-10-08T06:02:09Z", "ms": 1538978529138.7585 }, "end": { "local": "2018-10-09T05:46:51+02:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 } }, "kaala": "aparahna", "days": [ { "local_date": "2018-10-08", "window": { "start": { "local": "2018-10-08T13:10:00+02:00", "utc": "2018-10-08T11:10:00Z", "ms": 1538996999611.2559 }, "end": { "local": "2018-10-08T15:39:58+02:00", "utc": "2018-10-08T13:39:58Z", "ms": 1539005997526.0562 } }, "covered_min": 150, "window_min": 150, "qualifies": true }, { "local_date": "2018-10-09", "window": { "start": { "local": "2018-10-09T13:09:52+02:00", "utc": "2018-10-09T11:09:52Z", "ms": 1539083392065.218 }, "end": { "local": "2018-10-09T15:40:08+02:00", "utc": "2018-10-09T13:40:08Z", "ms": 1539092407941.2344 } }, "covered_min": 0, "window_min": 150, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 08:02 on Mon 8 Oct to 05:47 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: 13:10–15:40 on the 8th, 13:10–15:40 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 150 of 150 minutes on the 8th and 0 of 150 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 18470 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Pretoria, 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 Pretoria, Mahālaya Amāvāsyā 2018 falls on Monday 8 October. Amāvasyā runs from 08:02 on Mon 8 Oct to 05:47 on Tue 9 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20634, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-10-09T05:46:51+02:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "end": { "local": "2018-10-10T03:55:36+02:00", "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": "2018-10-09T05:46:51+02:00", "utc": "2018-10-09T03:46:51Z", "ms": 1539056810561.2227 }, "end": { "local": "2018-10-10T03:55:36+02:00", "utc": "2018-10-10T01:55:36Z", "ms": 1539136535822.0413 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-09", "window": { "start": { "local": "2018-10-09T11:30:44+02:00", "utc": "2018-10-09T09:30:44Z", "ms": 1539077444127.21 }, "end": { "local": "2018-10-09T12:18:44+02:00", "utc": "2018-10-09T10:18:44Z", "ms": 1539080324127.21 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-10", "window": { "start": { "local": "2018-10-10T11:30:28+02:00", "utc": "2018-10-10T09:30:28Z", "ms": 1539163828045.9038 }, "end": { "local": "2018-10-10T12:18:28+02:00", "utc": "2018-10-10T10:18:28Z", "ms": 1539166708045.9038 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:47 on Tue 9 Oct to 03:56 on Wed 10 Oct.", "fact": "2018-10-09T03:46:51Z → 2018-10-10T01:55:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 9th, 11:30–12:18 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 20634 s" }, { "step": "ruling", "text": "Navarātrārambha, Pretoria, 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 Pretoria, Navarātrārambha (Navratri) 2018 falls on Tuesday 9 October. Pratipadā runs from 05:47 on Tue 9 Oct to 03:56 on Wed 10 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-10-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33884, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-12T01:58:24+02:00", "utc": "2018-10-11T23:58:24Z", "ms": 1539302303663.2517 }, "end": { "local": "2018-10-13T02:04:59+02:00", "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": "2018-10-12T01:58:24+02:00", "utc": "2018-10-11T23:58:24Z", "ms": 1539302303663.2517 }, "end": { "local": "2018-10-13T02:04:59+02:00", "utc": "2018-10-13T00:04:59Z", "ms": 1539389099123.9595 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-12", "window": { "start": { "local": "2018-10-12T11:29:57+02:00", "utc": "2018-10-12T09:29:57Z", "ms": 1539336597279.2173 }, "end": { "local": "2018-10-12T12:17:57+02:00", "utc": "2018-10-12T10:17:57Z", "ms": 1539339477279.2173 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-13", "window": { "start": { "local": "2018-10-13T11:29:43+02:00", "utc": "2018-10-13T09:29:43Z", "ms": 1539422982624.834 }, "end": { "local": "2018-10-13T12:17:43+02:00", "utc": "2018-10-13T10:17:43Z", "ms": 1539425862624.834 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:58 on Fri 12 Oct to 02:05 on Sat 13 Oct.", "fact": "2018-10-11T23:58:24Z → 2018-10-13T00:04:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 12th, 11:30–12:18 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 33884 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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 Pretoria, Vināyaka Caturthī 2018 falls on Friday 12 October. Caturthī runs from 01:58 on Fri 12 Oct to 02:05 on Sat 13 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1425, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-10-15T04:35:01+02:00", "utc": "2018-10-15T02:35:01Z", "ms": 1539570900763.333 }, "end": { "local": "2018-10-16T06:46:42+02:00", "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": "2018-10-15T04:35:01+02:00", "utc": "2018-10-15T02:35:01Z", "ms": 1539570900763.333 }, "end": { "local": "2018-10-16T06:46:42+02:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 } }, "kaala": "udaya-1", "days": [ { "local_date": "2018-10-15", "window": { "start": { "local": "2018-10-15T05:33:08+02:00", "utc": "2018-10-15T03:33:08Z", "ms": 1539574387607.7554 }, "end": { "local": "2018-10-15T06:23:49+02:00", "utc": "2018-10-15T04:23:49Z", "ms": 1539577428574.0706 } }, "covered_min": 51, "window_min": 51, "qualifies": true }, { "local_date": "2018-10-16", "window": { "start": { "local": "2018-10-16T05:32:10+02:00", "utc": "2018-10-16T03:32:10Z", "ms": 1539660730332.6082 }, "end": { "local": "2018-10-16T06:22:57+02:00", "utc": "2018-10-16T04:22:57Z", "ms": 1539663777191.3896 } }, "covered_min": 51, "window_min": 51, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:35 on Mon 15 Oct to 06:47 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: 05:33–06:24 on the 15th, 05:32–06:23 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 51 of 51 minutes on the 15th and 51 of 51 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 1425 s" }, { "step": "ruling", "text": "Durgā Saptamī, Pretoria, 2018: Tuesday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-16", "confidence": "determinate" } ], "quote": "In Pretoria, Durgā Saptamī 2018 falls on Tuesday 16 October. Saptamī runs from 04:35 on Mon 15 Oct to 06:47 on Tue 16 Oct and covers all of the first muhūrta after sunrise that morning. It also reaches the previous morning for 51 minutes; by the rule the second morning is taken.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7723, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-16T06:46:42+02:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "end": { "local": "2018-10-17T09:20:06+02:00", "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": "2018-10-16T06:46:42+02:00", "utc": "2018-10-16T04:46:42Z", "ms": 1539665202205.107 }, "end": { "local": "2018-10-17T09:20:06+02:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-16", "window": { "start": { "local": "2018-10-16T11:29:02+02:00", "utc": "2018-10-16T09:29:02Z", "ms": 1539682141773.4692 }, "end": { "local": "2018-10-16T12:17:02+02:00", "utc": "2018-10-16T10:17:02Z", "ms": 1539685021773.4692 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-17", "window": { "start": { "local": "2018-10-17T11:28:49+02:00", "utc": "2018-10-17T09:28:49Z", "ms": 1539768529250.2046 }, "end": { "local": "2018-10-17T12:16:49+02:00", "utc": "2018-10-17T10:16:49Z", "ms": 1539771409250.2046 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:47 on Tue 16 Oct to 09:20 on Wed 17 Oct.", "fact": "2018-10-16T04:46:42Z → 2018-10-17T07:20:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 16th, 11:29–12:17 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 7723 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Pretoria, 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 Pretoria, Mahāṣṭamī (Durga Ashtami) 2018 falls on Tuesday 16 October. Aṣṭamī runs from 06:47 on Tue 16 Oct to 09:20 on Wed 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1052, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-10-17T09:20:06+02:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "end": { "local": "2018-10-18T11:59:05+02:00", "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": "2018-10-17T09:20:06+02:00", "utc": "2018-10-17T07:20:06Z", "ms": 1539760806114.8472 }, "end": { "local": "2018-10-18T11:59:05+02:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-10-17", "window": { "start": { "local": "2018-10-17T11:28:49+02:00", "utc": "2018-10-17T09:28:49Z", "ms": 1539768529250.2046 }, "end": { "local": "2018-10-17T12:16:49+02:00", "utc": "2018-10-17T10:16:49Z", "ms": 1539771409250.2046 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-10-18", "window": { "start": { "local": "2018-10-18T11:28:37+02:00", "utc": "2018-10-18T09:28:37Z", "ms": 1539854917302.7424 }, "end": { "local": "2018-10-18T12:16:37+02:00", "utc": "2018-10-18T10:16:37Z", "ms": 1539857797302.7424 } }, "covered_min": 30, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:20 on Wed 17 Oct to 11:59 on Thu 18 Oct.", "fact": "2018-10-17T07:20:06Z → 2018-10-18T09:59:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 17th, 11:29–12:17 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 30 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 1052 s" }, { "step": "ruling", "text": "Mahānavamī, Pretoria, 2018: Wednesday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-17", "confidence": "determinate" } ], "quote": "In Pretoria, Mahānavamī 2018 falls on Wednesday 17 October. Navamī runs from 09:20 on Wed 17 Oct to 11:59 on Thu 18 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 30 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10128, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2018-10-18T11:59:05+02:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "end": { "local": "2018-10-19T14:27:23+02:00", "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": "2018-10-18T11:59:05+02:00", "utc": "2018-10-18T09:59:05Z", "ms": 1539856745411.4583 }, "end": { "local": "2018-10-18T21:03:44+02:00", "utc": "2018-10-18T19:03:44Z", "ms": 1539889424220.0352 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2018-10-17T17:58:15+02:00", "utc": "2018-10-17T15:58:15Z", "ms": 1539791895275.3225 }, "end": { "local": "2018-10-18T21:03:44+02:00", "utc": "2018-10-18T19:03:44Z", "ms": 1539889424220.0352 } } }, "kaala": "daytime", "days": [ { "local_date": "2018-10-18", "window": { "start": { "local": "2018-10-18T05:30:18+02:00", "utc": "2018-10-18T03:30:18Z", "ms": 1539833417908.0068 }, "end": { "local": "2018-10-18T18:14:57+02:00", "utc": "2018-10-18T16:14:57Z", "ms": 1539879296697.478 } }, "covered_min": 376, "window_min": 765, "qualifies": true }, { "local_date": "2018-10-19", "window": { "start": { "local": "2018-10-19T05:29:23+02:00", "utc": "2018-10-19T03:29:23Z", "ms": 1539919762814.6875 }, "end": { "local": "2018-10-19T18:15:29+02:00", "utc": "2018-10-19T16:15:29Z", "ms": 1539965729082.5747 } }, "covered_min": 0, "window_min": 766, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 11:59 on Thu 18 Oct to 14:27 on Fri 19 Oct, and Śravaṇa from 17:58 on Wed 17 Oct to 21:04 on Thu 18 Oct. They are together from 11:59 on Thu 18 Oct to 21:04 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: 05:30–18:15 on the 18th, 05:29–18:15 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 376 of 765 minutes on the 18th and 0 of 766 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 10128 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Pretoria, 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 Pretoria, Vijayā Daśamī (Dussehra) 2018 falls on Thursday 18 October. Daśamī runs from 11:59 on Thu 18 Oct to 14:27 on Fri 19 Oct and is with Śravaṇa in the day time that day, for 376 minutes.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-10-20", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32280, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-10-19T14:27:23+02:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "end": { "local": "2018-10-20T16:31:14+02:00", "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": "2018-10-19T14:27:23+02:00", "utc": "2018-10-19T12:27:23Z", "ms": 1539952043088.7288 }, "end": { "local": "2018-10-20T16:31:14+02:00", "utc": "2018-10-20T14:31:14Z", "ms": 1540045874488.9607 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-10-19", "window": { "start": { "local": "2018-10-19T05:29:23+02:00", "utc": "2018-10-19T03:29:23Z", "ms": 1539919762814.6875 }, "end": { "local": "2018-10-19T05:29:23+02:00", "utc": "2018-10-19T03:29:23Z", "ms": 1539919762814.6875 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-20", "window": { "start": { "local": "2018-10-20T05:28:29+02:00", "utc": "2018-10-20T03:28:29Z", "ms": 1540006108505.2993 }, "end": { "local": "2018-10-20T05:28:29+02:00", "utc": "2018-10-20T03:28:29Z", "ms": 1540006108505.2993 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:27 on Fri 19 Oct to 16:31 on Sat 20 Oct.", "fact": "2018-10-19T12:27:23Z → 2018-10-20T14:31:14Z" }, { "step": "kaala", "text": "Sunrise is at 05:29 on the 19th and 05:28 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 32280 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Pretoria, 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 Pretoria, Pāśāṅkuśā Ekādaśī 2018 falls on Saturday 20 October. Ekādaśī runs from 14:27 on Fri 19 Oct to 16:31 on Sat 20 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-10-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 918, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-10-21T18:01:17+02:00", "utc": "2018-10-21T16:01:17Z", "ms": 1540137676959.2722 }, "end": { "local": "2018-10-22T18:53:04+02:00", "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": "2018-10-21T18:01:17+02:00", "utc": "2018-10-21T16:01:17Z", "ms": 1540137676959.2722 }, "end": { "local": "2018-10-22T18:53:04+02:00", "utc": "2018-10-22T16:53:04Z", "ms": 1540227184150.2834 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-10-21", "window": { "start": { "local": "2018-10-21T18:16:35+02:00", "utc": "2018-10-21T16:16:35Z", "ms": 1540138595173.8477 }, "end": { "local": "2018-10-21T19:45:56+02:00", "utc": "2018-10-21T17:45:56Z", "ms": 1540143956131.19 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "2018-10-22", "window": { "start": { "local": "2018-10-22T18:17:09+02:00", "utc": "2018-10-22T16:17:09Z", "ms": 1540225028893.5298 }, "end": { "local": "2018-10-22T19:46:18+02:00", "utc": "2018-10-22T17:46:18Z", "ms": 1540230378450.448 } }, "covered_min": 36, "window_min": 89, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:01 on Sun 21 Oct to 18:53 on Mon 22 Oct.", "fact": "2018-10-21T16:01:17Z → 2018-10-22T16:53:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:46 on the 21st, 18:17–19:46 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 89 of 89 minutes on the 21st and 36 of 89 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 918 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 2018: Sunday 21 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": "2018-10-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-10-21", "confidence": "boundary" } ], "quote": "In Pretoria, Śukla Pradoṣa Vrata 2018 falls on Sunday 21 October. Trayodaśī runs from 18:01 on Sun 21 Oct to 18:53 on Mon 22 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 36 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/pretoria/festivals/2018/pradosha-vrata?on=2018-10-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/pretoria/festivals/2018/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21915, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-27T15:08:13+02:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T13:24:48+02:00", "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": "2018-10-27T15:08:13+02:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T13:24:48+02:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-27", "window": { "start": { "local": "2018-10-27T21:13:27+02:00", "utc": "2018-10-27T19:13:27Z", "ms": 1540667607312.3696 }, "end": { "local": "2018-10-27T21:13:27+02:00", "utc": "2018-10-27T19:13:27Z", "ms": 1540667607312.3696 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-10-28", "window": { "start": { "local": "2018-10-28T22:15:03+02:00", "utc": "2018-10-28T20:15:03Z", "ms": 1540757703296.0193 }, "end": { "local": "2018-10-28T22:15:03+02:00", "utc": "2018-10-28T20:15:03Z", "ms": 1540757703296.0193 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:08 on Sat 27 Oct to 13:25 on Sun 28 Oct.", "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:13 on the 27th and 22:15 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 21915 s" }, { "step": "ruling", "text": "Karaka Caturthī, Pretoria, 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 Pretoria, Karaka Caturthī (Karwa Chauth) 2018 falls on Saturday 27 October. Caturthī runs from 15:08 on Sat 27 Oct to 13:25 on Sun 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-10-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21915, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-10-27T15:08:13+02:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T13:24:48+02:00", "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": "2018-10-27T15:08:13+02:00", "utc": "2018-10-27T13:08:13Z", "ms": 1540645692730.5356 }, "end": { "local": "2018-10-28T13:24:48+02:00", "utc": "2018-10-28T11:24:48Z", "ms": 1540725888488.0803 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-27", "window": { "start": { "local": "2018-10-27T21:13:27+02:00", "utc": "2018-10-27T19:13:27Z", "ms": 1540667607312.3696 }, "end": { "local": "2018-10-27T21:13:27+02:00", "utc": "2018-10-27T19:13:27Z", "ms": 1540667607312.3696 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-10-28", "window": { "start": { "local": "2018-10-28T22:15:03+02:00", "utc": "2018-10-28T20:15:03Z", "ms": 1540757703296.0193 }, "end": { "local": "2018-10-28T22:15:03+02:00", "utc": "2018-10-28T20:15:03Z", "ms": 1540757703296.0193 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:08 on Sat 27 Oct to 13:25 on Sun 28 Oct.", "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:13 on the 27th and 22:15 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 21915 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Saturday 27 October. Caturthī runs from 15:08 on Sat 27 Oct to 13:25 on Sun 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16581, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-10-31T07:40:05+02:00", "utc": "2018-10-31T05:40:05Z", "ms": 1540964404659.8496 }, "end": { "local": "2018-11-01T05:40:17+02:00", "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": "2018-10-31T07:40:05+02:00", "utc": "2018-10-31T05:40:05Z", "ms": 1540964404659.8496 }, "end": { "local": "2018-11-01T05:40:17+02:00", "utc": "2018-11-01T03:40:17Z", "ms": 1541043616981.3337 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-10-30", "window": { "start": { "local": "2018-10-31T00:11:36+02:00", "utc": "2018-10-30T22:11:36Z", "ms": 1540937495558.2874 }, "end": { "local": "2018-10-31T00:11:36+02:00", "utc": "2018-10-30T22:11:36Z", "ms": 1540937495558.2874 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-10-31", "window": { "start": { "local": "2018-11-01T01:03:56+02:00", "utc": "2018-10-31T23:03:56Z", "ms": 1541027035584.763 }, "end": { "local": "2018-11-01T01:03:56+02:00", "utc": "2018-10-31T23:03:56Z", "ms": 1541027035584.763 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:40 on Wed 31 Oct to 05:40 on Thu 1 Nov.", "fact": "2018-10-31T05:40:05Z → 2018-11-01T03:40:17Z" }, { "step": "kaala", "text": "Moonrise is at 00:12 on the 30th and 01:04 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 16581 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Pretoria, 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 Pretoria, Ahoyī Aṣṭamī 2018 falls on Wednesday 31 October. Aṣṭamī runs from 07:40 on Wed 31 Oct to 05:40 on Thu 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-11-03", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13023, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-11-03T01:40:24+02:00", "utc": "2018-11-02T23:40:24Z", "ms": 1541202024040.4907 }, "end": { "local": "2018-11-03T23:44:07+02:00", "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": "2018-11-03T01:40:24+02:00", "utc": "2018-11-02T23:40:24Z", "ms": 1541202024040.4907 }, "end": { "local": "2018-11-03T23:44:07+02:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-11-03", "window": { "start": { "local": "2018-11-03T05:17:27+02:00", "utc": "2018-11-03T03:17:27Z", "ms": 1541215046849.9556 }, "end": { "local": "2018-11-03T05:17:27+02:00", "utc": "2018-11-03T03:17:27Z", "ms": 1541215046849.9556 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T05:16:48+02:00", "utc": "2018-11-04T03:16:48Z", "ms": 1541301407768.8628 }, "end": { "local": "2018-11-04T05:16:48+02:00", "utc": "2018-11-04T03:16:48Z", "ms": 1541301407768.8628 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:40 on Sat 3 Nov to 23:44 on Sat 3 Nov.", "fact": "2018-11-02T23:40:24Z → 2018-11-03T21:44:07Z" }, { "step": "kaala", "text": "Sunrise is at 05:17 on the 3rd and 05:17 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 13023 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Pretoria, 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 Pretoria, Ramā Ekādaśī 2018 falls on Saturday 3 November. Ekādaśī runs from 01:40 on Sat 3 Nov to 23:44 on Sat 3 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7363, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-11-03T23:44:07+02:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "end": { "local": "2018-11-04T21:54:41+02:00", "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": "2018-11-03T23:44:07+02:00", "utc": "2018-11-03T21:44:07Z", "ms": 1541281446838.772 }, "end": { "local": "2018-11-04T21:54:41+02:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-03", "window": { "start": { "local": "2018-11-03T18:24:31+02:00", "utc": "2018-11-03T16:24:31Z", "ms": 1541262270541.0542 }, "end": { "local": "2018-11-03T19:51:29+02:00", "utc": "2018-11-03T17:51:29Z", "ms": 1541267488838.0955 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T18:25:10+02:00", "utc": "2018-11-04T16:25:10Z", "ms": 1541348710425.83 }, "end": { "local": "2018-11-04T19:51:58+02:00", "utc": "2018-11-04T17:51:58Z", "ms": 1541353918357.3364 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:44 on Sat 3 Nov to 21:55 on Sun 4 Nov.", "fact": "2018-11-03T21:44:07Z → 2018-11-04T19:54:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:51 on the 3rd, 18:25–19:52 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 87 minutes on the 3rd and 87 of 87 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 7363 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Pretoria, 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 Pretoria, Govatsa Dvādaśī (Vasu Baras) 2018 falls on Sunday 4 November. Dvādaśī runs from 23:44 on Sat 3 Nov to 21:55 on Sun 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1476, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-04T21:54:41+02:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T20:17:04+02:00", "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": "2018-11-04T21:54:41+02:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T20:17:04+02:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T18:25:10+02:00", "utc": "2018-11-04T16:25:10Z", "ms": 1541348710425.83 }, "end": { "local": "2018-11-04T19:51:58+02:00", "utc": "2018-11-04T17:51:58Z", "ms": 1541353918357.3364 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T18:25:51+02:00", "utc": "2018-11-05T16:25:51Z", "ms": 1541435150749.6785 }, "end": { "local": "2018-11-05T19:52:28+02:00", "utc": "2018-11-05T17:52:28Z", "ms": 1541440348423.0461 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:55 on Sun 4 Nov to 20:17 on Mon 5 Nov.", "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:52 on the 4th, 18:26–19:52 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 87 minutes on the 4th and 87 of 87 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 1476 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Pretoria, 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 Pretoria, Yama Dīpadāna 2018 falls on Monday 5 November. Trayodaśī runs from 21:55 on Sun 4 Nov to 20:17 on Mon 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-11-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1476, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-04T21:54:41+02:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T20:17:04+02:00", "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": "2018-11-04T21:54:41+02:00", "utc": "2018-11-04T19:54:41Z", "ms": 1541361281271.5168 }, "end": { "local": "2018-11-05T20:17:04+02:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-04", "window": { "start": { "local": "2018-11-04T18:25:10+02:00", "utc": "2018-11-04T16:25:10Z", "ms": 1541348710425.83 }, "end": { "local": "2018-11-04T19:51:58+02:00", "utc": "2018-11-04T17:51:58Z", "ms": 1541353918357.3364 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T18:25:51+02:00", "utc": "2018-11-05T16:25:51Z", "ms": 1541435150749.6785 }, "end": { "local": "2018-11-05T19:52:28+02:00", "utc": "2018-11-05T17:52:28Z", "ms": 1541440348423.0461 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:55 on Sun 4 Nov to 20:17 on Mon 5 Nov.", "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:52 on the 4th, 18:26–19:52 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 87 minutes on the 4th and 87 of 87 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 1476 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 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 Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 5 November. Trayodaśī runs from 21:55 on Sun 4 Nov to 20:17 on Mon 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-11-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11378, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-11-05T20:17:04+02:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T18:57:18+02:00", "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": "2018-11-05T20:17:04+02:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T18:57:18+02:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-05", "window": { "start": { "local": "2018-11-05T23:26:42+02:00", "utc": "2018-11-05T21:26:42Z", "ms": 1541453202024.8071 }, "end": { "local": "2018-11-06T00:14:42+02:00", "utc": "2018-11-05T22:14:42Z", "ms": 1541456082024.8071 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T23:26:45+02:00", "utc": "2018-11-06T21:26:45Z", "ms": 1541539604724.505 }, "end": { "local": "2018-11-07T00:14:45+02:00", "utc": "2018-11-06T22:14:45Z", "ms": 1541542484724.505 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:17 on Mon 5 Nov to 18:57 on Tue 6 Nov.", "fact": "2018-11-05T18:17:04Z → 2018-11-06T16:57:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 5th, 23:27–00:15 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 11378 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Monday 5 November. Caturdaśī runs from 20:17 on Mon 5 Nov to 18:57 on Tue 6 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27112, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-11-05T20:17:04+02:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T18:57:18+02:00", "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": "2018-11-05T20:17:04+02:00", "utc": "2018-11-05T18:17:04Z", "ms": 1541441823984.6372 }, "end": { "local": "2018-11-06T18:57:18+02:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 } }, "kaala": "arunodaya", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T03:48:56+02:00", "utc": "2018-11-06T01:48:56Z", "ms": 1541468935626.568 }, "end": { "local": "2018-11-06T05:15:33+02:00", "utc": "2018-11-06T03:15:33Z", "ms": 1541474133299.9358 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T03:48:30+02:00", "utc": "2018-11-07T01:48:30Z", "ms": 1541555310424.3206 }, "end": { "local": "2018-11-07T05:14:58+02:00", "utc": "2018-11-07T03:14:58Z", "ms": 1541560497951.5264 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:17 on Mon 5 Nov to 18:57 on Tue 6 Nov.", "fact": "2018-11-05T18:17:04Z → 2018-11-06T16:57:18Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 03:49–05:16 on the 6th, 03:49–05:15 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 87 of 87 minutes on the 6th and 0 of 86 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 27112 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Pretoria, 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 Pretoria, Naraka Caturdaśī (Choti Diwali) 2018 falls on Tuesday 6 November. Caturdaśī runs from 20:17 on Mon 5 Nov to 18:57 on Tue 6 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1510, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-11-06T18:57:18+02:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T18:02:02+02:00", "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": "2018-11-06T18:57:18+02:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T18:02:02+02:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T18:26:31+02:00", "utc": "2018-11-06T16:26:31Z", "ms": 1541521591497.4834 }, "end": { "local": "2018-11-06T19:52:59+02:00", "utc": "2018-11-06T17:52:59Z", "ms": 1541526779024.6892 } }, "covered_min": 56, "window_min": 86, "qualifies": true }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T18:27:13+02:00", "utc": "2018-11-07T16:27:13Z", "ms": 1541608032652.533 }, "end": { "local": "2018-11-07T19:53:30+02:00", "utc": "2018-11-07T17:53:30Z", "ms": 1541613210150.2573 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 18:57 on Tue 6 Nov to 18:02 on Wed 7 Nov.", "fact": "2018-11-06T16:57:18Z → 2018-11-07T16:02:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:53 on the 6th, 18:27–19:54 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 56 of 86 minutes on the 6th and 0 of 86 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 1510 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Pretoria, 2018: Tuesday 6 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": "2018-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-06", "confidence": "determinate" } ], "quote": "In Pretoria, Lakṣmī Pūjā (Diwali) 2018 falls on Tuesday 6 November. Amāvasyā runs from 18:57 on Tue 6 Nov to 18:02 on Wed 7 Nov and covers 56 of 86 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16167, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2018-11-06T18:57:18+02:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T18:02:02+02:00", "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": "2018-11-06T18:57:18+02:00", "utc": "2018-11-06T16:57:18Z", "ms": 1541523437595.22 }, "end": { "local": "2018-11-07T18:02:02+02:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-06", "window": { "start": { "local": "2018-11-06T23:26:45+02:00", "utc": "2018-11-06T21:26:45Z", "ms": 1541539604724.505 }, "end": { "local": "2018-11-07T00:14:45+02:00", "utc": "2018-11-06T22:14:45Z", "ms": 1541542484724.505 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T23:26:48+02:00", "utc": "2018-11-07T21:26:48Z", "ms": 1541626008268.9998 }, "end": { "local": "2018-11-08T00:14:48+02:00", "utc": "2018-11-07T22:14:48Z", "ms": 1541628888268.9998 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 18:57 on Tue 6 Nov to 18:02 on Wed 7 Nov.", "fact": "2018-11-06T16:57:18Z → 2018-11-07T16:02:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 6th, 23:27–00:15 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 16167 s" }, { "step": "ruling", "text": "Kālī Pūjā, Pretoria, 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 Pretoria, Kālī Pūjā 2018 falls on Tuesday 6 November. Amāvasyā runs from 18:57 on Tue 6 Nov to 18:02 on Wed 7 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1510, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T18:02:02+02:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T17:37:53+02:00", "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": "2018-11-07T18:02:02+02:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T17:37:53+02:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T18:27:13+02:00", "utc": "2018-11-07T16:27:13Z", "ms": 1541608032652.533 }, "end": { "local": "2018-11-07T19:53:30+02:00", "utc": "2018-11-07T17:53:30Z", "ms": 1541613210150.2573 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T18:27:54+02:00", "utc": "2018-11-08T16:27:54Z", "ms": 1541694474196.7798 }, "end": { "local": "2018-11-08T19:54:02+02:00", "utc": "2018-11-08T17:54:02Z", "ms": 1541699641786.5305 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:02 on Wed 7 Nov to 17:38 on Thu 8 Nov.", "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:54 on the 7th, 18:28–19:54 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 86 of 86 minutes on the 7th and 0 of 86 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1510 s" }, { "step": "ruling", "text": "Bali Pūjā, Pretoria, 2018: Wednesday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2018-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-07", "confidence": "determinate" } ], "quote": "In Pretoria, Bali Pūjā 2018 falls on Wednesday 7 November. Pratipadā runs from 18:02 on Wed 7 Nov to 17:38 on Thu 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19364, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T18:02:02+02:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T17:37:53+02:00", "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": "2018-11-07T18:02:02+02:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T17:37:53+02:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T11:27:05+02:00", "utc": "2018-11-07T09:27:05Z", "ms": 1541582825302.0298 }, "end": { "local": "2018-11-07T12:15:05+02:00", "utc": "2018-11-07T10:15:05Z", "ms": 1541585705302.0298 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T11:27:09+02:00", "utc": "2018-11-08T09:27:09Z", "ms": 1541669229041.123 }, "end": { "local": "2018-11-08T12:15:09+02:00", "utc": "2018-11-08T10:15:09Z", "ms": 1541672109041.123 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:02 on Wed 7 Nov to 17:38 on Thu 8 Nov.", "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 7th, 11:27–12:15 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 19364 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Pretoria, 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 Pretoria, Govardhana Pūjā 2018 falls on Thursday 8 November. Pratipadā runs from 18:02 on Wed 7 Nov to 17:38 on Thu 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28739, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2018-11-07T18:02:02+02:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T17:37:53+02:00", "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": "2018-11-07T18:02:02+02:00", "utc": "2018-11-07T16:02:02Z", "ms": 1541606522475.1738 }, "end": { "local": "2018-11-08T17:37:53+02:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-11-07", "window": { "start": { "local": "2018-11-07T05:14:58+02:00", "utc": "2018-11-07T03:14:58Z", "ms": 1541560497951.5264 }, "end": { "local": "2018-11-07T09:39:03+02:00", "utc": "2018-11-07T07:39:03Z", "ms": 1541576342851.8618 } }, "covered_min": 0, "window_min": 264, "qualifies": false }, { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T05:14:24+02:00", "utc": "2018-11-08T03:14:24Z", "ms": 1541646863885.4666 }, "end": { "local": "2018-11-08T09:38:54+02:00", "utc": "2018-11-08T07:38:54Z", "ms": 1541662733989.2375 } }, "covered_min": 265, "window_min": 265, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:02 on Wed 7 Nov to 17:38 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: 05:15–09:39 on the 7th, 05:14–09:39 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 264 minutes on the 7th and 265 of 265 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 28739 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Pretoria, 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 Pretoria, Dyūta Pratipad 2018 falls on Thursday 8 November. Pratipadā runs from 18:02 on Wed 7 Nov to 17:38 on Thu 8 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19364, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2018-11-08T17:37:53+02:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "end": { "local": "2018-11-09T17:50:21+02:00", "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": "2018-11-08T17:37:53+02:00", "utc": "2018-11-08T15:37:53Z", "ms": 1541691473321.5615 }, "end": { "local": "2018-11-09T17:50:21+02:00", "utc": "2018-11-09T15:50:21Z", "ms": 1541778620665.9846 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-08", "window": { "start": { "local": "2018-11-08T11:27:09+02:00", "utc": "2018-11-08T09:27:09Z", "ms": 1541669229041.123 }, "end": { "local": "2018-11-08T12:15:09+02:00", "utc": "2018-11-08T10:15:09Z", "ms": 1541672109041.123 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-09", "window": { "start": { "local": "2018-11-09T11:27:14+02:00", "utc": "2018-11-09T09:27:14Z", "ms": 1541755633615.5073 }, "end": { "local": "2018-11-09T12:15:14+02:00", "utc": "2018-11-09T10:15:14Z", "ms": 1541758513615.5073 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:38 on Thu 8 Nov to 17:50 on Fri 9 Nov.", "fact": "2018-11-08T15:37:53Z → 2018-11-09T15:50:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 8th, 11:27–12:15 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 19364 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Pretoria, 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 Pretoria, Yama Dvitīyā (Bhai Dooj) 2018 falls on Friday 9 November. Dvitīyā runs from 17:38 on Thu 8 Nov to 17:50 on Fri 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23240, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-10T18:42:39+02:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T20:14:32+02:00", "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": "2018-11-10T18:42:39+02:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T20:14:32+02:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-10", "window": { "start": { "local": "2018-11-10T11:27:19+02:00", "utc": "2018-11-10T09:27:19Z", "ms": 1541842039024.1675 }, "end": { "local": "2018-11-10T12:15:19+02:00", "utc": "2018-11-10T10:15:19Z", "ms": 1541844919024.1675 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-11", "window": { "start": { "local": "2018-11-11T11:27:25+02:00", "utc": "2018-11-11T09:27:25Z", "ms": 1541928445265.6917 }, "end": { "local": "2018-11-11T12:15:25+02:00", "utc": "2018-11-11T10:15:25Z", "ms": 1541931325265.6917 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:43 on Sat 10 Nov to 20:15 on Sun 11 Nov.", "fact": "2018-11-10T16:42:39Z → 2018-11-11T18:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 10th, 11:27–12:15 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 23240 s" }, { "step": "ruling", "text": "Nāga Caturthī, Pretoria, 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 Pretoria, Nāga Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 18:43 on Sat 10 Nov to 20:15 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-11-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23240, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-10T18:42:39+02:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T20:14:32+02:00", "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": "2018-11-10T18:42:39+02:00", "utc": "2018-11-10T16:42:39Z", "ms": 1541868159390.339 }, "end": { "local": "2018-11-11T20:14:32+02:00", "utc": "2018-11-11T18:14:32Z", "ms": 1541960072144.4236 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-10", "window": { "start": { "local": "2018-11-10T11:27:19+02:00", "utc": "2018-11-10T09:27:19Z", "ms": 1541842039024.1675 }, "end": { "local": "2018-11-10T12:15:19+02:00", "utc": "2018-11-10T10:15:19Z", "ms": 1541844919024.1675 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-11", "window": { "start": { "local": "2018-11-11T11:27:25+02:00", "utc": "2018-11-11T09:27:25Z", "ms": 1541928445265.6917 }, "end": { "local": "2018-11-11T12:15:25+02:00", "utc": "2018-11-11T10:15:25Z", "ms": 1541931325265.6917 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:43 on Sat 10 Nov to 20:15 on Sun 11 Nov.", "fact": "2018-11-10T16:42:39Z → 2018-11-11T18:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 10th, 11:27–12:15 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 23240 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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 Pretoria, Vināyaka Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 18:43 on Sat 10 Nov to 20:15 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36333, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-11-12T22:21:05+02:00", "utc": "2018-11-12T20:21:05Z", "ms": 1542054065411.938 }, "end": { "local": "2018-11-14T00:52:26+02:00", "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": "2018-11-12T22:21:05+02:00", "utc": "2018-11-12T20:21:05Z", "ms": 1542054065411.938 }, "end": { "local": "2018-11-14T00:52:26+02:00", "utc": "2018-11-13T22:52:26Z", "ms": 1542149545594.3523 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-12", "window": { "start": { "local": "2018-11-12T11:27:32+02:00", "utc": "2018-11-12T09:27:32Z", "ms": 1542014852338.3157 }, "end": { "local": "2018-11-12T12:15:32+02:00", "utc": "2018-11-12T10:15:32Z", "ms": 1542017732338.3157 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-13", "window": { "start": { "local": "2018-11-13T11:27:40+02:00", "utc": "2018-11-13T09:27:40Z", "ms": 1542101260239.9053 }, "end": { "local": "2018-11-13T12:15:40+02:00", "utc": "2018-11-13T10:15:40Z", "ms": 1542104140239.9053 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:21 on Mon 12 Nov to 00:52 on Wed 14 Nov.", "fact": "2018-11-12T20:21:05Z → 2018-11-13T22:52:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 12th, 11:28–12:16 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: unstated → only-day · margin 36333 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Pretoria, 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 Pretoria, Sūrya Ṣaṣṭhī (Chhath) 2018 falls on Tuesday 13 November. Ṣaṣṭhī runs from 22:21 on Mon 12 Nov to 00:52 on Wed 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19063, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2018-11-15T03:34:22+02:00", "utc": "2018-11-15T01:34:22Z", "ms": 1542245662199.8982 }, "end": { "local": "2018-11-16T06:10:26+02:00", "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": "2018-11-15T03:34:22+02:00", "utc": "2018-11-15T01:34:22Z", "ms": 1542245662199.8982 }, "end": { "local": "2018-11-16T06:10:26+02:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-15", "window": { "start": { "local": "2018-11-15T11:27:59+02:00", "utc": "2018-11-15T09:27:59Z", "ms": 1542274078519.2656 }, "end": { "local": "2018-11-15T12:15:59+02:00", "utc": "2018-11-15T10:15:59Z", "ms": 1542276958519.2656 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T11:28:09+02:00", "utc": "2018-11-16T09:28:09Z", "ms": 1542360488890.4424 }, "end": { "local": "2018-11-16T12:16:09+02:00", "utc": "2018-11-16T10:16:09Z", "ms": 1542363368890.4424 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:34 on Thu 15 Nov to 06:10 on Fri 16 Nov.", "fact": "2018-11-15T01:34:22Z → 2018-11-16T04:10:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 15th, 11:28–12:16 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 19063 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Pretoria, 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 Pretoria, Gopāṣṭamī 2018 falls on Thursday 15 November. Aṣṭamī runs from 03:34 on Thu 15 Nov to 06:10 on Fri 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-16", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3586, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-11-16T06:10:26+02:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T08:24:34+02:00", "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": "2018-11-16T06:10:26+02:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T08:24:34+02:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 } }, "kaala": "purvahna", "days": [ { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T05:10:40+02:00", "utc": "2018-11-16T03:10:40Z", "ms": 1542337839664.2932 }, "end": { "local": "2018-11-16T09:38:19+02:00", "utc": "2018-11-16T07:38:19Z", "ms": 1542353899148.3926 } }, "covered_min": 208, "window_min": 268, "qualifies": true }, { "local_date": "2018-11-17", "window": { "start": { "local": "2018-11-17T05:10:18+02:00", "utc": "2018-11-17T03:10:18Z", "ms": 1542424217934.2527 }, "end": { "local": "2018-11-17T09:38:19+02:00", "utc": "2018-11-17T07:38:19Z", "ms": 1542440299362.987 } }, "covered_min": 194, "window_min": 268, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 06:10 on Fri 16 Nov to 08:25 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: 05:11–09:38 on the 16th, 05:10–09:38 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 208 of 268 minutes on the 16th and 194 of 268 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 3586 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Pretoria, 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 Pretoria, Akṣaya Navamī (Amla Navami) 2018 falls on Friday 16 November. Navamī runs from 06:10 on Fri 16 Nov to 08:25 on Sat 17 Nov and covers 208 of 268 minutes of pūrvāhṇa that forenoon. It also reaches the next forenoon for 194 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/pretoria/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": "/pretoria/festivals/2018/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11026, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2018-11-16T06:10:26+02:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T08:24:34+02:00", "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": "2018-11-16T06:10:26+02:00", "utc": "2018-11-16T04:10:26Z", "ms": 1542341425771.7449 }, "end": { "local": "2018-11-17T08:24:34+02:00", "utc": "2018-11-17T06:24:34Z", "ms": 1542435873641.625 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-16", "window": { "start": { "local": "2018-11-16T11:28:09+02:00", "utc": "2018-11-16T09:28:09Z", "ms": 1542360488890.4424 }, "end": { "local": "2018-11-16T12:16:09+02:00", "utc": "2018-11-16T10:16:09Z", "ms": 1542363368890.4424 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-17", "window": { "start": { "local": "2018-11-17T11:28:20+02:00", "utc": "2018-11-17T09:28:20Z", "ms": 1542446900077.354 }, "end": { "local": "2018-11-17T12:16:20+02:00", "utc": "2018-11-17T10:16:20Z", "ms": 1542449780077.354 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 06:10 on Fri 16 Nov to 08:25 on Sat 17 Nov.", "fact": "2018-11-16T04:10:26Z → 2018-11-17T06:24:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 16th, 11:28–12:16 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 11026 s" }, { "step": "ruling", "text": "Durgā Navamī, Pretoria, 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 Pretoria, Durgā Navamī 2018 falls on Friday 16 November. Navamī runs from 06:10 on Fri 16 Nov to 08:25 on Sat 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-11-19", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17632, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-11-18T10:03:49+02:00", "utc": "2018-11-18T08:03:49Z", "ms": 1542528229488.8474 }, "end": { "local": "2018-11-19T11:00:06+02:00", "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": "2018-11-18T10:03:49+02:00", "utc": "2018-11-18T08:03:49Z", "ms": 1542528229488.8474 }, "end": { "local": "2018-11-19T11:00:06+02:00", "utc": "2018-11-19T09:00:06Z", "ms": 1542618005748.5667 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-11-18", "window": { "start": { "local": "2018-11-18T05:09:58+02:00", "utc": "2018-11-18T03:09:58Z", "ms": 1542510597658.0986 }, "end": { "local": "2018-11-18T05:09:58+02:00", "utc": "2018-11-18T03:09:58Z", "ms": 1542510597658.0986 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-11-19", "window": { "start": { "local": "2018-11-19T05:09:39+02:00", "utc": "2018-11-19T03:09:39Z", "ms": 1542596978850.868 }, "end": { "local": "2018-11-19T05:09:39+02:00", "utc": "2018-11-19T03:09:39Z", "ms": 1542596978850.868 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:04 on Sun 18 Nov to 11:00 on Mon 19 Nov.", "fact": "2018-11-18T08:03:49Z → 2018-11-19T09:00:06Z" }, { "step": "kaala", "text": "Sunrise is at 05:10 on the 18th and 05:10 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 17632 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Pretoria, 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 Pretoria, Prabodhinī Ekādaśī 2018 falls on Monday 19 November. Ekādaśī runs from 10:04 on Sun 18 Nov to 11:00 on Mon 19 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-11-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26767, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-11-20T11:10:29+02:00", "utc": "2018-11-20T09:10:29Z", "ms": 1542705028876.2368 }, "end": { "local": "2018-11-21T10:36:41+02:00", "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": "2018-11-20T11:10:29+02:00", "utc": "2018-11-20T09:10:29Z", "ms": 1542705028876.2368 }, "end": { "local": "2018-11-21T10:36:41+02:00", "utc": "2018-11-21T08:36:41Z", "ms": 1542789401396.5771 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-11-20", "window": { "start": { "local": "2018-11-20T18:36:35+02:00", "utc": "2018-11-20T16:36:35Z", "ms": 1542731795442.2915 }, "end": { "local": "2018-11-20T20:00:55+02:00", "utc": "2018-11-20T18:00:55Z", "ms": 1542736855476.7576 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2018-11-21", "window": { "start": { "local": "2018-11-21T18:37:20+02:00", "utc": "2018-11-21T16:37:20Z", "ms": 1542818240068.7954 }, "end": { "local": "2018-11-21T20:01:32+02:00", "utc": "2018-11-21T18:01:32Z", "ms": 1542823292244.3457 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:10 on Tue 20 Nov to 10:37 on Wed 21 Nov.", "fact": "2018-11-20T09:10:29Z → 2018-11-21T08:36:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:01 on the 20th, 18:37–20:02 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 84 of 84 minutes on the 20th and 0 of 84 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 26767 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Tuesday 20 November. Trayodaśī runs from 11:10 on Tue 20 Nov to 10:37 on Wed 21 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7537, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-11-22T09:23:51+02:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T07:39:12+02:00", "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": "2018-11-22T09:23:51+02:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T07:39:12+02:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-11-22", "window": { "start": { "local": "2018-11-22T11:29:28+02:00", "utc": "2018-11-22T09:29:28Z", "ms": 1542878968073.9128 }, "end": { "local": "2018-11-22T12:17:28+02:00", "utc": "2018-11-22T10:17:28Z", "ms": 1542881848073.9128 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-11-23", "window": { "start": { "local": "2018-11-23T11:29:44+02:00", "utc": "2018-11-23T09:29:44Z", "ms": 1542965384045.5337 }, "end": { "local": "2018-11-23T12:17:44+02:00", "utc": "2018-11-23T10:17:44Z", "ms": 1542968264045.5337 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:24 on Thu 22 Nov to 07:39 on Fri 23 Nov.", "fact": "2018-11-22T07:23:51Z → 2018-11-23T05:39:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 22nd, 11:30–12:18 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 7537 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Pretoria, 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 Pretoria, Kārtikī Pūrṇimā 2018 falls on Thursday 22 November. Pūrṇimā runs from 09:24 on Thu 22 Nov to 07:39 on Fri 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26510, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-11-22T09:23:51+02:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T07:39:12+02:00", "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": "2018-11-22T09:23:51+02:00", "utc": "2018-11-22T07:23:51Z", "ms": 1542871430724.902 }, "end": { "local": "2018-11-23T07:39:12+02:00", "utc": "2018-11-23T05:39:12Z", "ms": 1542951551766.9058 } }, "kaala": "nishita", "days": [ { "local_date": "2018-11-21", "window": { "start": { "local": "2018-11-21T23:29:06+02:00", "utc": "2018-11-21T21:29:06Z", "ms": 1542835745727.1094 }, "end": { "local": "2018-11-22T00:17:06+02:00", "utc": "2018-11-21T22:17:06Z", "ms": 1542838625727.1094 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-11-22", "window": { "start": { "local": "2018-11-22T23:29:22+02:00", "utc": "2018-11-22T21:29:22Z", "ms": 1542922161678.123 }, "end": { "local": "2018-11-23T00:17:22+02:00", "utc": "2018-11-22T22:17:22Z", "ms": 1542925041678.123 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:24 on Thu 22 Nov to 07:39 on Fri 23 Nov.", "fact": "2018-11-22T07:23:51Z → 2018-11-23T05:39:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 21st, 23:29–00:17 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 26510 s" }, { "step": "ruling", "text": "Rāsayātrā, Pretoria, 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 Pretoria, Rāsayātrā 2018 falls on Thursday 22 November. Pūrṇimā runs from 09:24 on Thu 22 Nov to 07:39 on Fri 23 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-11-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-11-25", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 78, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-11-26T00:36:42+02:00", "utc": "2018-11-25T22:36:42Z", "ms": 1543185401828.9277 }, "end": { "local": "2018-11-26T22:05:14+02:00", "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": "2018-11-26T00:36:42+02:00", "utc": "2018-11-25T22:36:42Z", "ms": 1543185401828.9277 }, "end": { "local": "2018-11-26T22:05:14+02:00", "utc": "2018-11-26T20:05:14Z", "ms": 1543262714438.5405 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-11-25", "window": { "start": { "local": "2018-11-25T21:06:45+02:00", "utc": "2018-11-25T19:06:45Z", "ms": 1543172804887.305 }, "end": { "local": "2018-11-25T21:06:45+02:00", "utc": "2018-11-25T19:06:45Z", "ms": 1543172804887.305 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-11-26", "window": { "start": { "local": "2018-11-26T22:06:32+02:00", "utc": "2018-11-26T20:06:32Z", "ms": 1543262792202.9316 }, "end": { "local": "2018-11-26T22:06:32+02:00", "utc": "2018-11-26T20:06:32Z", "ms": 1543262792202.9316 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:37 on Mon 26 Nov to 22:05 on Mon 26 Nov.", "fact": "2018-11-25T22:36:42Z → 2018-11-26T20:05:14Z" }, { "step": "kaala", "text": "Moonrise is at 21:07 on the 25th and 22:07 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 not on the 26th.", "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 78 s < 300 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 2018: Sunday 25 November.", "fact": "confidence: boundary (margin, 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": "2018-11-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2018-11-25", "confidence": "boundary" } ], "quote": "In Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Sunday 25 November. Caturthī runs from 00:37 on Mon 26 Nov to 22:05 on Mon 26 Nov, and is current at moonrise on neither day. It is 1 min 18 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/pretoria/festivals/2018/sankashta-chaturthi?on=2018-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/pretoria/festivals/2018/ekadashi?on=2018-12-03", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15733, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-12-02T10:30:43+02:00", "utc": "2018-12-02T08:30:43Z", "ms": 1543739442973.6228 }, "end": { "local": "2018-12-03T09:30:10+02:00", "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": "2018-12-02T10:30:43+02:00", "utc": "2018-12-02T08:30:43Z", "ms": 1543739442973.6228 }, "end": { "local": "2018-12-03T09:30:10+02:00", "utc": "2018-12-03T07:30:10Z", "ms": 1543822209960.212 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-12-02", "window": { "start": { "local": "2018-12-02T05:07:54+02:00", "utc": "2018-12-02T03:07:54Z", "ms": 1543720073604.5442 }, "end": { "local": "2018-12-02T05:07:54+02:00", "utc": "2018-12-02T03:07:54Z", "ms": 1543720073604.5442 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-12-03", "window": { "start": { "local": "2018-12-03T05:07:56+02:00", "utc": "2018-12-03T03:07:56Z", "ms": 1543806476472.9927 }, "end": { "local": "2018-12-03T05:07:56+02:00", "utc": "2018-12-03T03:07:56Z", "ms": 1543806476472.9927 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:31 on Sun 2 Dec to 09:30 on Mon 3 Dec.", "fact": "2018-12-02T08:30:43Z → 2018-12-03T07:30:10Z" }, { "step": "kaala", "text": "Sunrise is at 05:08 on the 2nd and 05:08 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 15733 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Pretoria, 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 Pretoria, Utpannā Ekādaśī 2018 falls on Monday 3 December. Ekādaśī runs from 10:31 on Sun 2 Dec to 09:30 on Mon 3 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-12-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35815, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-12-04T08:50:01+02:00", "utc": "2018-12-04T06:50:01Z", "ms": 1543906200540.239 }, "end": { "local": "2018-12-05T08:32:57+02:00", "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": "2018-12-04T08:50:01+02:00", "utc": "2018-12-04T06:50:01Z", "ms": 1543906200540.239 }, "end": { "local": "2018-12-05T08:32:57+02:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-04", "window": { "start": { "local": "2018-12-04T18:46:56+02:00", "utc": "2018-12-04T16:46:56Z", "ms": 1543942015603.7346 }, "end": { "local": "2018-12-04T20:09:45+02:00", "utc": "2018-12-04T18:09:45Z", "ms": 1543946985108.24 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2018-12-05", "window": { "start": { "local": "2018-12-05T18:47:38+02:00", "utc": "2018-12-05T16:47:38Z", "ms": 1544028458299.2273 }, "end": { "local": "2018-12-05T20:10:23+02:00", "utc": "2018-12-05T18:10:23Z", "ms": 1544033423114.1633 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:50 on Tue 4 Dec to 08:33 on Wed 5 Dec.", "fact": "2018-12-04T06:50:01Z → 2018-12-05T06:32:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:10 on the 4th, 18:48–20:10 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 83 of 83 minutes on the 4th and 0 of 83 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 35815 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Pretoria, 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 Pretoria, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 4 December. Trayodaśī runs from 08:50 on Tue 4 Dec to 08:33 on Wed 5 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/shivaratri?on=2018-12-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29486, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2018-12-05T08:32:57+02:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "end": { "local": "2018-12-06T08:42:05+02:00", "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": "2018-12-05T08:32:57+02:00", "utc": "2018-12-05T06:32:57Z", "ms": 1543991577177.8337 }, "end": { "local": "2018-12-06T08:42:05+02:00", "utc": "2018-12-06T06:42:05Z", "ms": 1544078524947.5583 } }, "kaala": "nishita", "days": [ { "local_date": "2018-12-04", "window": { "start": { "local": "2018-12-04T23:33:31+02:00", "utc": "2018-12-04T21:33:31Z", "ms": 1543959211245.6294 }, "end": { "local": "2018-12-05T00:21:31+02:00", "utc": "2018-12-04T22:21:31Z", "ms": 1543962091245.6294 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-05", "window": { "start": { "local": "2018-12-05T23:33:56+02:00", "utc": "2018-12-05T21:33:56Z", "ms": 1544045636355.2373 }, "end": { "local": "2018-12-06T00:21:56+02:00", "utc": "2018-12-05T22:21:56Z", "ms": 1544048516355.2373 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:33 on Wed 5 Dec to 08:42 on Thu 6 Dec.", "fact": "2018-12-05T06:32:57Z → 2018-12-06T06:42:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:34–00:22 on the 4th, 23:34–00:22 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 29486 s" }, { "step": "ruling", "text": "Śivarātri, Pretoria, 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 Pretoria, Śivarātri 2018 falls on Wednesday 5 December. Caturdaśī runs from 08:33 on Wed 5 Dec to 08:42 on Thu 6 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/vinayaka-chaturthi?on=2018-12-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6967, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-12-10T14:20:09+02:00", "utc": "2018-12-10T12:20:09Z", "ms": 1544444409277.8625 }, "end": { "local": "2018-12-11T16:52:03+02:00", "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": "2018-12-10T14:20:09+02:00", "utc": "2018-12-10T12:20:09Z", "ms": 1544444409277.8625 }, "end": { "local": "2018-12-11T16:52:03+02:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-10", "window": { "start": { "local": "2018-12-10T11:36:02+02:00", "utc": "2018-12-10T09:36:02Z", "ms": 1544434561987.2095 }, "end": { "local": "2018-12-10T12:24:02+02:00", "utc": "2018-12-10T10:24:02Z", "ms": 1544437441987.2095 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-11", "window": { "start": { "local": "2018-12-11T11:36:29+02:00", "utc": "2018-12-11T09:36:29Z", "ms": 1544520989185.692 }, "end": { "local": "2018-12-11T12:24:29+02:00", "utc": "2018-12-11T10:24:29Z", "ms": 1544523869185.692 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:20 on Mon 10 Dec to 16:52 on Tue 11 Dec.", "fact": "2018-12-10T12:20:09Z → 2018-12-11T14:52:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 10th, 11:36–12:24 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 6967 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Pretoria, 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 Pretoria, Vināyaka Caturthī 2018 falls on Tuesday 11 December. Caturthī runs from 14:20 on Mon 10 Dec to 16:52 on Tue 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16054, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2018-12-11T16:52:03+02:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "end": { "local": "2018-12-12T19:36:10+02:00", "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": "2018-12-11T16:52:03+02:00", "utc": "2018-12-11T14:52:03Z", "ms": 1544539923419.3313 }, "end": { "local": "2018-12-12T19:36:10+02:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-11", "window": { "start": { "local": "2018-12-11T11:36:29+02:00", "utc": "2018-12-11T09:36:29Z", "ms": 1544520989185.692 }, "end": { "local": "2018-12-11T12:24:29+02:00", "utc": "2018-12-11T10:24:29Z", "ms": 1544523869185.692 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T11:36:57+02:00", "utc": "2018-12-12T09:36:57Z", "ms": 1544607416748.8882 }, "end": { "local": "2018-12-12T12:24:57+02:00", "utc": "2018-12-12T10:24:57Z", "ms": 1544610296748.8882 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:52 on Tue 11 Dec to 19:36 on Wed 12 Dec.", "fact": "2018-12-11T14:52:03Z → 2018-12-12T17:36:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 11th, 11:37–12:25 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 16054 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Pretoria, 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 Pretoria, Nāga Pañcamī (Mārgaśīrṣa) 2018 falls on Wednesday 12 December. Pañcamī runs from 16:52 on Tue 11 Dec to 19:36 on Wed 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25873, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-12-12T19:36:10+02:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T22:19:09+02:00", "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": "2018-12-12T19:36:10+02:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T22:19:09+02:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T11:36:57+02:00", "utc": "2018-12-12T09:36:57Z", "ms": 1544607416748.8882 }, "end": { "local": "2018-12-12T12:24:57+02:00", "utc": "2018-12-12T10:24:57Z", "ms": 1544610296748.8882 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T11:37:25+02:00", "utc": "2018-12-13T09:37:25Z", "ms": 1544693844644.1104 }, "end": { "local": "2018-12-13T12:25:25+02:00", "utc": "2018-12-13T10:25:25Z", "ms": 1544696724644.1104 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:36 on Wed 12 Dec to 22:19 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: 11:37–12:25 on the 12th, 11:37–12:25 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 25873 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Pretoria, 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 Pretoria, Campā Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 19:36 on Wed 12 Dec to 22:19 on Thu 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25873, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2018-12-12T19:36:10+02:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T22:19:09+02:00", "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": "2018-12-12T19:36:10+02:00", "utc": "2018-12-12T17:36:10Z", "ms": 1544636169968.1587 }, "end": { "local": "2018-12-13T22:19:09+02:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-12", "window": { "start": { "local": "2018-12-12T11:36:57+02:00", "utc": "2018-12-12T09:36:57Z", "ms": 1544607416748.8882 }, "end": { "local": "2018-12-12T12:24:57+02:00", "utc": "2018-12-12T10:24:57Z", "ms": 1544610296748.8882 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T11:37:25+02:00", "utc": "2018-12-13T09:37:25Z", "ms": 1544693844644.1104 }, "end": { "local": "2018-12-13T12:25:25+02:00", "utc": "2018-12-13T10:25:25Z", "ms": 1544696724644.1104 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:36 on Wed 12 Dec to 22:19 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: 11:37–12:25 on the 12th, 11:37–12:25 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 25873 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Pretoria, 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 Pretoria, Skanda Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 19:36 on Wed 12 Dec to 22:19 on Thu 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35625, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2018-12-13T22:19:09+02:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "end": { "local": "2018-12-15T00:46:12+02:00", "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": "2018-12-13T22:19:09+02:00", "utc": "2018-12-13T20:19:09Z", "ms": 1544732349232.6333 }, "end": { "local": "2018-12-15T00:46:12+02:00", "utc": "2018-12-14T22:46:12Z", "ms": 1544827571560.4277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-13", "window": { "start": { "local": "2018-12-13T11:37:25+02:00", "utc": "2018-12-13T09:37:25Z", "ms": 1544693844644.1104 }, "end": { "local": "2018-12-13T12:25:25+02:00", "utc": "2018-12-13T10:25:25Z", "ms": 1544696724644.1104 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2018-12-14", "window": { "start": { "local": "2018-12-14T11:37:53+02:00", "utc": "2018-12-14T09:37:53Z", "ms": 1544780272838.5586 }, "end": { "local": "2018-12-14T12:25:53+02:00", "utc": "2018-12-14T10:25:53Z", "ms": 1544783152838.5586 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:19 on Thu 13 Dec to 00:46 on Sat 15 Dec.", "fact": "2018-12-13T20:19:09Z → 2018-12-14T22:46:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 13th, 11:38–12:26 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 35625 s" }, { "step": "ruling", "text": "Mitra Saptamī, Pretoria, 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 Pretoria, Mitra Saptamī 2018 falls on Friday 14 December. Saptamī runs from 22:19 on Thu 13 Dec to 00:46 on Sat 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/ekadashi?on=2018-12-18", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2667, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2018-12-18T04:27:11+02:00", "utc": "2018-12-18T02:27:11Z", "ms": 1545100031287.2249 }, "end": { "local": "2018-12-19T04:05:25+02:00", "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": "2018-12-18T04:27:11+02:00", "utc": "2018-12-18T02:27:11Z", "ms": 1545100031287.2249 }, "end": { "local": "2018-12-19T04:05:25+02:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 } }, "kaala": "sunrise", "days": [ { "local_date": "2018-12-18", "window": { "start": { "local": "2018-12-18T05:11:38+02:00", "utc": "2018-12-18T03:11:38Z", "ms": 1545102698366.4194 }, "end": { "local": "2018-12-18T05:11:38+02:00", "utc": "2018-12-18T03:11:38Z", "ms": 1545102698366.4194 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T05:12:04+02:00", "utc": "2018-12-19T03:12:04Z", "ms": 1545189124163.9724 }, "end": { "local": "2018-12-19T05:12:04+02:00", "utc": "2018-12-19T03:12:04Z", "ms": 1545189124163.9724 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:27 on Tue 18 Dec to 04:05 on Wed 19 Dec.", "fact": "2018-12-18T02:27:11Z → 2018-12-19T02:05:25Z" }, { "step": "kaala", "text": "Sunrise is at 05:12 on the 18th and 05:12 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 2667 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Pretoria, 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 Pretoria, Mokṣadā Ekādaśī 2018 falls on Tuesday 18 December. Ekādaśī runs from 04:27 on Tue 18 Dec to 04:05 on Wed 19 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27292, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2018-12-19T04:05:25+02:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "end": { "local": "2018-12-20T02:56:08+02:00", "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": "2018-12-19T04:05:25+02:00", "utc": "2018-12-19T02:05:25Z", "ms": 1545185125345.9263 }, "end": { "local": "2018-12-20T02:56:08+02:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 } }, "kaala": "madhyahna", "days": [ { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T11:40:17+02:00", "utc": "2018-12-19T09:40:17Z", "ms": 1545212417154.283 }, "end": { "local": "2018-12-19T12:28:17+02:00", "utc": "2018-12-19T10:28:17Z", "ms": 1545215297154.283 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2018-12-20", "window": { "start": { "local": "2018-12-20T11:40:46+02:00", "utc": "2018-12-20T09:40:46Z", "ms": 1545298846461.2593 }, "end": { "local": "2018-12-20T12:28:46+02:00", "utc": "2018-12-20T10:28:46Z", "ms": 1545301726461.2593 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:05 on Wed 19 Dec to 02:56 on Thu 20 Dec.", "fact": "2018-12-19T02:05:25Z → 2018-12-20T00:56:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 19th, 11:41–12:29 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 27292 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Pretoria, 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 Pretoria, Akhaṇḍa Dvādaśī 2018 falls on Wednesday 19 December. Dvādaśī runs from 04:05 on Wed 19 Dec to 02:56 on Thu 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/pradosha-vrata?on=2018-12-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17142, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2018-12-20T02:56:08+02:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "end": { "local": "2018-12-21T01:04:52+02:00", "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": "2018-12-20T02:56:08+02:00", "utc": "2018-12-20T00:56:08Z", "ms": 1545267367620.2102 }, "end": { "local": "2018-12-21T01:04:52+02:00", "utc": "2018-12-20T23:04:52Z", "ms": 1545347091859.143 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-19", "window": { "start": { "local": "2018-12-19T18:56:30+02:00", "utc": "2018-12-19T16:56:30Z", "ms": 1545238590144.5935 }, "end": { "local": "2018-12-19T20:18:38+02:00", "utc": "2018-12-19T18:18:38Z", "ms": 1545243518284.642 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2018-12-20", "window": { "start": { "local": "2018-12-20T18:57:02+02:00", "utc": "2018-12-20T16:57:02Z", "ms": 1545325021727.5598 }, "end": { "local": "2018-12-20T20:19:09+02:00", "utc": "2018-12-20T18:19:09Z", "ms": 1545329949421.3352 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:56 on Thu 20 Dec to 01:05 on Fri 21 Dec.", "fact": "2018-12-20T00:56:08Z → 2018-12-20T23:04:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:19 on the 19th, 18:57–20:19 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 82 minutes on the 19th and 82 of 82 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 17142 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Pretoria, 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 Pretoria, Śukla Pradoṣa Vrata 2018 falls on Thursday 20 December. Trayodaśī runs from 02:56 on Thu 20 Dec to 01:05 on Fri 21 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1894, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2018-12-21T22:39:22+02:00", "utc": "2018-12-21T20:39:22Z", "ms": 1545424762159.9248 }, "end": { "local": "2018-12-22T19:48:35+02:00", "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": "2018-12-21T22:39:22+02:00", "utc": "2018-12-21T20:39:22Z", "ms": 1545424762159.9248 }, "end": { "local": "2018-12-22T19:48:35+02:00", "utc": "2018-12-22T17:48:35Z", "ms": 1545500914979.4106 } }, "kaala": "pradosha", "days": [ { "local_date": "2018-12-21", "window": { "start": { "local": "2018-12-21T18:57:32+02:00", "utc": "2018-12-21T16:57:32Z", "ms": 1545411452256.9963 }, "end": { "local": "2018-12-21T20:19:40+02:00", "utc": "2018-12-21T18:19:40Z", "ms": 1545416379801.7786 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2018-12-22", "window": { "start": { "local": "2018-12-22T18:58:02+02:00", "utc": "2018-12-22T16:58:02Z", "ms": 1545497881702.805 }, "end": { "local": "2018-12-22T20:20:09+02:00", "utc": "2018-12-22T18:20:09Z", "ms": 1545502809395.9954 } }, "covered_min": 51, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:39 on Fri 21 Dec to 19:49 on Sat 22 Dec.", "fact": "2018-12-21T20:39:22Z → 2018-12-22T17:48:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 21st, 18:58–20:20 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 82 minutes on the 21st and 51 of 82 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 1894 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Pretoria, 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 Pretoria, Dattātreyotpatti (Datta Jayanti) 2018 falls on Saturday 22 December. Pūrṇimā runs from 22:39 on Fri 21 Dec to 19:49 on Sat 22 Dec and covers 51 of 82 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/pretoria/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": "/pretoria/festivals/2018/sankashta-chaturthi?on=2018-12-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "964137", "year": 2018, "local_date": "2018-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34260, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2018-12-25T10:17:36+02:00", "utc": "2018-12-25T08:17:36Z", "ms": 1545725855673.9705 }, "end": { "local": "2018-12-26T07:16:49+02:00", "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": "2018-12-25T10:17:36+02:00", "utc": "2018-12-25T08:17:36Z", "ms": 1545725855673.9705 }, "end": { "local": "2018-12-26T07:16:49+02:00", "utc": "2018-12-26T05:16:49Z", "ms": 1545801409141.9246 } }, "kaala": "moonrise", "days": [ { "local_date": "2018-12-24", "window": { "start": { "local": "2018-12-24T20:51:40+02:00", "utc": "2018-12-24T18:51:40Z", "ms": 1545677499855.2488 }, "end": { "local": "2018-12-24T20:51:40+02:00", "utc": "2018-12-24T18:51:40Z", "ms": 1545677499855.2488 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2018-12-25", "window": { "start": { "local": "2018-12-25T21:45:50+02:00", "utc": "2018-12-25T19:45:50Z", "ms": 1545767149624.2095 }, "end": { "local": "2018-12-25T21:45:50+02:00", "utc": "2018-12-25T19:45:50Z", "ms": 1545767149624.2095 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:18 on Tue 25 Dec to 07:17 on Wed 26 Dec.", "fact": "2018-12-25T08:17:36Z → 2018-12-26T05:16:49Z" }, { "step": "kaala", "text": "Moonrise is at 20:52 on the 24th and 21:46 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34260 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Pretoria, 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 Pretoria, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 25 December. Caturthī runs from 10:18 on Tue 25 Dec to 07:17 on Wed 26 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/pretoria/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" } }