{ "id": "/soweto/festivals/2007", "place": { "id": "953781", "slug": "soweto", "name": "Soweto", "region": "Gauteng, South Africa", "country": "ZA", "lat": -26.26781, "lon": 27.85849, "elevation_m": 1632, "tz": "Africa/Johannesburg" }, "year": 2007, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-01-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14051, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-01-06T16:32:49+02:00", "utc": "2007-01-06T14:32:49Z", "ms": 1168093969439.9172 }, "end": { "local": "2007-01-07T18:04:00+02:00", "utc": "2007-01-07T16:04:00Z", "ms": 1168185840433.853 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-06T16:32:49+02:00", "utc": "2007-01-06T14:32:49Z", "ms": 1168093969439.9172 }, "end": { "local": "2007-01-07T18:04:00+02:00", "utc": "2007-01-07T16:04:00Z", "ms": 1168185840433.853 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-01-06", "window": { "start": { "local": "2007-01-06T21:27:12+02:00", "utc": "2007-01-06T19:27:12Z", "ms": 1168111632472.8503 }, "end": { "local": "2007-01-06T21:27:12+02:00", "utc": "2007-01-06T19:27:12Z", "ms": 1168111632472.8503 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-01-07", "window": { "start": { "local": "2007-01-07T21:58:11+02:00", "utc": "2007-01-07T19:58:11Z", "ms": 1168199891170.4866 }, "end": { "local": "2007-01-07T21:58:11+02:00", "utc": "2007-01-07T19:58:11Z", "ms": 1168199891170.4866 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:33 on Sat 6 Jan to 18:04 on Sun 7 Jan.", "fact": "2007-01-06T14:32:49Z → 2007-01-07T16:04:00Z" }, { "step": "kaala", "text": "Moonrise is at 21:27 on the 6th and 21:58 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14051 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Saturday 6 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": "2007-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-06", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Saturday 6 January. Caturthī runs from 16:33 on Sat 6 Jan to 18:04 on Sun 7 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16086, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 }, "end": { "local": "2007-02-13T03:36:51+02:00", "utc": "2007-02-13T01:36:51Z", "ms": 1171330610565.9438 } }, "span": { "of": "transit", "start": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 }, "end": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 } }, "kaala": "sunset-day", "days": [ { "local_date": "2007-01-14", "window": { "start": { "local": "2007-01-13T19:05:47+02:00", "utc": "2007-01-13T17:05:47Z", "ms": 1168707947229.9329 }, "end": { "local": "2007-01-14T19:05:45+02:00", "utc": "2007-01-14T17:05:45Z", "ms": 1168794344744.1252 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2007-01-15", "window": { "start": { "local": "2007-01-14T19:05:45+02:00", "utc": "2007-01-14T17:05:45Z", "ms": 1168794344744.1252 }, "end": { "local": "2007-01-15T19:05:41+02:00", "utc": "2007-01-15T17:05:41Z", "ms": 1168880740728.3113 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2007-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 14:38 on Sun 14 Jan.", "fact": "2007-01-14T12:37:39Z · 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 19:06, and the day of the 15th ends at 19:06.", "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 16086 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, Soweto, 2007: 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": "2007-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2007-01-13", "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": "2007-01-13", "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 Soweto, Bhogi 2007 falls on Saturday 13 January. It is kept the day before Pongal, which falls on Sunday 14 January. The Sun enters Makara at 14:38 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/soweto/festivals/2007/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": "/soweto/festivals/2007/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16086, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 }, "end": { "local": "2007-02-13T03:36:51+02:00", "utc": "2007-02-13T01:36:51Z", "ms": 1171330610565.9438 } }, "span": { "of": "transit", "start": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 }, "end": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 } }, "kaala": "sunset-day", "days": [ { "local_date": "2007-01-14", "window": { "start": { "local": "2007-01-13T19:05:47+02:00", "utc": "2007-01-13T17:05:47Z", "ms": 1168707947229.9329 }, "end": { "local": "2007-01-14T19:05:45+02:00", "utc": "2007-01-14T17:05:45Z", "ms": 1168794344744.1252 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2007-01-15", "window": { "start": { "local": "2007-01-14T19:05:45+02:00", "utc": "2007-01-14T17:05:45Z", "ms": 1168794344744.1252 }, "end": { "local": "2007-01-15T19:05:41+02:00", "utc": "2007-01-15T17:05:41Z", "ms": 1168880740728.3113 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 14:38 on Sun 14 Jan.", "fact": "2007-01-14T12:37:39Z · 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 19:06, and the day of the 15th ends at 19:06.", "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 16086 s" }, { "step": "ruling", "text": "Pongal, Soweto, 2007: 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": "2007-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2007-01-14", "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": "2007-01-14", "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 Soweto, Pongal 2007 falls on Sunday 14 January. The Sun enters Makara at 14:38 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/soweto/festivals/2007/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": "/soweto/festivals/2007/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33741, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 }, "end": { "local": "2007-02-13T03:36:51+02:00", "utc": "2007-02-13T01:36:51Z", "ms": 1171330610565.9438 } }, "span": { "of": "transit", "start": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 }, "end": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 } }, "kaala": "civil-day", "days": [ { "local_date": "2007-01-14", "window": { "start": { "local": "2007-01-14T00:00:00+02:00", "utc": "2007-01-13T22:00:00Z", "ms": 1168725600000 }, "end": { "local": "2007-01-15T00:00:00+02:00", "utc": "2007-01-14T22:00:00Z", "ms": 1168812000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2007-01-15", "window": { "start": { "local": "2007-01-15T00:00:00+02:00", "utc": "2007-01-14T22:00:00Z", "ms": 1168812000000 }, "end": { "local": "2007-01-16T00:00:00+02:00", "utc": "2007-01-15T22:00:00Z", "ms": 1168898400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 14:38 on Sun 14 Jan.", "fact": "2007-01-14T12:37:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Soweto.", "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 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 33741 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Soweto, 2007: 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": "2007-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2007-01-14", "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": "2007-01-14", "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 Soweto, Makara Saṅkrānti 2007 falls on Sunday 14 January. The Sun enters Makara at 14:38 on Sun 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16086, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 }, "end": { "local": "2007-02-13T03:36:51+02:00", "utc": "2007-02-13T01:36:51Z", "ms": 1171330610565.9438 } }, "span": { "of": "transit", "start": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 }, "end": { "local": "2007-01-14T14:37:39+02:00", "utc": "2007-01-14T12:37:39Z", "ms": 1168778258789.4639 } }, "kaala": "sunset-day", "days": [ { "local_date": "2007-01-14", "window": { "start": { "local": "2007-01-13T19:05:47+02:00", "utc": "2007-01-13T17:05:47Z", "ms": 1168707947229.9329 }, "end": { "local": "2007-01-14T19:05:45+02:00", "utc": "2007-01-14T17:05:45Z", "ms": 1168794344744.1252 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2007-01-15", "window": { "start": { "local": "2007-01-14T19:05:45+02:00", "utc": "2007-01-14T17:05:45Z", "ms": 1168794344744.1252 }, "end": { "local": "2007-01-15T19:05:41+02:00", "utc": "2007-01-15T17:05:41Z", "ms": 1168880740728.3113 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2007-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 14:38 on Sun 14 Jan.", "fact": "2007-01-14T12:37:39Z · 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 19:06, and the day of the 15th ends at 19:06.", "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 16086 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, Soweto, 2007: 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": "2007-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2007-01-15", "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": "2007-01-15", "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 Soweto, Mattu Pongal 2007 falls on Monday 15 January. It is kept the day after Pongal, which falls on Sunday 14 January. The Sun enters Makara at 14:38 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/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-01-15", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9040, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-01-14T07:59:39+02:00", "utc": "2007-01-14T05:59:39Z", "ms": 1168754379077.2202 }, "end": { "local": "2007-01-15T08:59:41+02:00", "utc": "2007-01-15T06:59:41Z", "ms": 1168844380625.019 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-14T07:59:39+02:00", "utc": "2007-01-14T05:59:39Z", "ms": 1168754379077.2202 }, "end": { "local": "2007-01-15T08:59:41+02:00", "utc": "2007-01-15T06:59:41Z", "ms": 1168844380625.019 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-01-14", "window": { "start": { "local": "2007-01-14T05:29:00+02:00", "utc": "2007-01-14T03:29:00Z", "ms": 1168745339508.2107 }, "end": { "local": "2007-01-14T05:29:00+02:00", "utc": "2007-01-14T03:29:00Z", "ms": 1168745339508.2107 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-01-15", "window": { "start": { "local": "2007-01-15T05:29:46+02:00", "utc": "2007-01-15T03:29:46Z", "ms": 1168831786461.5288 }, "end": { "local": "2007-01-15T05:29:46+02:00", "utc": "2007-01-15T03:29:46Z", "ms": 1168831786461.5288 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:00 on Sun 14 Jan to 09:00 on Mon 15 Jan.", "fact": "2007-01-14T05:59:39Z → 2007-01-15T06:59:41Z" }, { "step": "kaala", "text": "Sunrise is at 05:29 on the 14th and 05:30 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9040 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Soweto, 2007: Monday 15 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": "2007-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-15", "confidence": "determinate" } ], "quote": "In Soweto, Ṣaṭtilā Ekādaśī 2007 falls on Monday 15 January. Ekādaśī runs from 08:00 on Sun 14 Jan to 09:00 on Mon 15 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-01-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35453, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-01-16T09:14:42+02:00", "utc": "2007-01-16T07:14:42Z", "ms": 1168931682038.4675 }, "end": { "local": "2007-01-17T08:46:17+02:00", "utc": "2007-01-17T06:46:17Z", "ms": 1169016376608.085 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-16T09:14:42+02:00", "utc": "2007-01-16T07:14:42Z", "ms": 1168931682038.4675 }, "end": { "local": "2007-01-17T08:46:17+02:00", "utc": "2007-01-17T06:46:17Z", "ms": 1169016376608.085 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-01-16", "window": { "start": { "local": "2007-01-16T19:05:35+02:00", "utc": "2007-01-16T17:05:35Z", "ms": 1168967135181.2322 }, "end": { "local": "2007-01-16T20:29:01+02:00", "utc": "2007-01-16T18:29:01Z", "ms": 1168972141295.5625 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2007-01-17", "window": { "start": { "local": "2007-01-17T19:05:28+02:00", "utc": "2007-01-17T17:05:28Z", "ms": 1169053528102.3674 }, "end": { "local": "2007-01-17T20:29:01+02:00", "utc": "2007-01-17T18:29:01Z", "ms": 1169058541499.4226 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:15 on Tue 16 Jan to 08:46 on Wed 17 Jan.", "fact": "2007-01-16T07:14:42Z → 2007-01-17T06:46:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:06–20:29 on the 16th, 19:05–20:29 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 16th and 0 of 84 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35453 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Tuesday 16 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": "2007-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-16", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Tuesday 16 January. Trayodaśī runs from 09:15 on Tue 16 Jan to 08:46 on Wed 17 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-01-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-01-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24989, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-01-17T08:46:17+02:00", "utc": "2007-01-17T06:46:17Z", "ms": 1169016376608.085 }, "end": { "local": "2007-01-18T07:39:17+02:00", "utc": "2007-01-18T05:39:17Z", "ms": 1169098757474.9893 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-17T08:46:17+02:00", "utc": "2007-01-17T06:46:17Z", "ms": 1169016376608.085 }, "end": { "local": "2007-01-18T07:39:17+02:00", "utc": "2007-01-18T05:39:17Z", "ms": 1169098757474.9893 } }, "kaala": "nishita", "days": [ { "local_date": "2007-01-16", "window": { "start": { "local": "2007-01-16T23:54:28+02:00", "utc": "2007-01-16T21:54:28Z", "ms": 1168984468109.9707 }, "end": { "local": "2007-01-17T00:42:28+02:00", "utc": "2007-01-16T22:42:28Z", "ms": 1168987348109.9707 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-01-17", "window": { "start": { "local": "2007-01-17T23:54:48+02:00", "utc": "2007-01-17T21:54:48Z", "ms": 1169070888341.3242 }, "end": { "local": "2007-01-18T00:42:48+02:00", "utc": "2007-01-17T22:42:48Z", "ms": 1169073768341.3242 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:46 on Wed 17 Jan to 07:39 on Thu 18 Jan.", "fact": "2007-01-17T06:46:17Z → 2007-01-18T05:39:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 16th, 23:55–00:43 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24989 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Wednesday 17 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-17", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Wednesday 17 January. Caturdaśī runs from 08:46 on Wed 17 Jan to 07:39 on Thu 18 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-01-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7629, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-01-17T08:46:17+02:00", "utc": "2007-01-17T06:46:17Z", "ms": 1169016376608.085 }, "end": { "local": "2007-01-18T07:39:17+02:00", "utc": "2007-01-18T05:39:17Z", "ms": 1169098757474.9893 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-17T08:46:17+02:00", "utc": "2007-01-17T06:46:17Z", "ms": 1169016376608.085 }, "end": { "local": "2007-01-18T07:39:17+02:00", "utc": "2007-01-18T05:39:17Z", "ms": 1169098757474.9893 } }, "kaala": "arunodaya", "days": [ { "local_date": "2007-01-17", "window": { "start": { "local": "2007-01-17T04:07:55+02:00", "utc": "2007-01-17T02:07:55Z", "ms": 1168999674924.379 }, "end": { "local": "2007-01-17T05:31:21+02:00", "utc": "2007-01-17T03:31:21Z", "ms": 1169004681038.7092 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2007-01-18", "window": { "start": { "local": "2007-01-18T04:08:35+02:00", "utc": "2007-01-18T02:08:35Z", "ms": 1169086115183.2256 }, "end": { "local": "2007-01-18T05:32:09+02:00", "utc": "2007-01-18T03:32:09Z", "ms": 1169091128580.2808 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:46 on Wed 17 Jan to 07:39 on Thu 18 Jan.", "fact": "2007-01-17T06:46:17Z → 2007-01-18T05:39:17Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:08–05:31 on the 17th, 04:09–05:32 on the 18th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 83 minutes on the 17th and 84 of 84 on the 18th.", "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 7629 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Soweto, 2007: Thursday 18 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": "2007-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-18", "confidence": "determinate" } ], "quote": "In Soweto, Yama Tarpaṇa 2007 falls on Thursday 18 January. Caturdaśī runs from 08:46 on Wed 17 Jan to 07:39 on Thu 18 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28931, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-01-21T23:14:05+02:00", "utc": "2007-01-21T21:14:05Z", "ms": 1169414045157.0994 }, "end": { "local": "2007-01-22T20:46:06+02:00", "utc": "2007-01-22T18:46:06Z", "ms": 1169491565666.7239 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-21T23:14:05+02:00", "utc": "2007-01-21T21:14:05Z", "ms": 1169414045157.0994 }, "end": { "local": "2007-01-22T20:46:06+02:00", "utc": "2007-01-22T18:46:06Z", "ms": 1169491565666.7239 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-01-21", "window": { "start": { "local": "2007-01-21T11:55:38+02:00", "utc": "2007-01-21T09:55:38Z", "ms": 1169373338103.7803 }, "end": { "local": "2007-01-21T12:43:38+02:00", "utc": "2007-01-21T10:43:38Z", "ms": 1169376218103.7803 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-01-22", "window": { "start": { "local": "2007-01-22T11:55:55+02:00", "utc": "2007-01-22T09:55:55Z", "ms": 1169459754622.1084 }, "end": { "local": "2007-01-22T12:43:55+02:00", "utc": "2007-01-22T10:43:55Z", "ms": 1169462634622.1084 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:14 on Sun 21 Jan to 20:46 on Mon 22 Jan.", "fact": "2007-01-21T21:14:05Z → 2007-01-22T18:46:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 21st, 11:56–12:44 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28931 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Soweto, 2007: Monday 22 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": "2007-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-22", "confidence": "determinate" } ], "quote": "In Soweto, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2007 falls on Monday 22 January. Caturthī runs from 23:14 on Sun 21 Jan to 20:46 on Mon 22 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1043, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-01-21T23:14:05+02:00", "utc": "2007-01-21T21:14:05Z", "ms": 1169414045157.0994 }, "end": { "local": "2007-01-22T20:46:06+02:00", "utc": "2007-01-22T18:46:06Z", "ms": 1169491565666.7239 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-21T23:14:05+02:00", "utc": "2007-01-21T21:14:05Z", "ms": 1169414045157.0994 }, "end": { "local": "2007-01-22T20:46:06+02:00", "utc": "2007-01-22T18:46:06Z", "ms": 1169491565666.7239 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-01-21", "window": { "start": { "local": "2007-01-21T19:04:44+02:00", "utc": "2007-01-21T17:04:44Z", "ms": 1169399084483.2947 }, "end": { "local": "2007-01-21T20:28:49+02:00", "utc": "2007-01-21T18:28:49Z", "ms": 1169404129149.4011 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2007-01-22", "window": { "start": { "local": "2007-01-22T19:04:30+02:00", "utc": "2007-01-22T17:04:30Z", "ms": 1169485469765.1235 }, "end": { "local": "2007-01-22T20:28:43+02:00", "utc": "2007-01-22T18:28:43Z", "ms": 1169490522755.263 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:14 on Sun 21 Jan to 20:46 on Mon 22 Jan.", "fact": "2007-01-21T21:14:05Z → 2007-01-22T18:46:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:05–20:29 on the 21st, 19:04–20:29 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 84 minutes on the 21st and 84 of 84 on the 22nd.", "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 1043 s" }, { "step": "ruling", "text": "Tila Caturthī, Soweto, 2007: Monday 22 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": "2007-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-22", "confidence": "determinate" } ], "quote": "In Soweto, Tila Caturthī 2007 falls on Monday 22 January. Caturthī runs from 23:14 on Sun 21 Jan to 20:46 on Mon 22 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20255, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2007-01-22T20:46:06+02:00", "utc": "2007-01-22T18:46:06Z", "ms": 1169491565666.7239 }, "end": { "local": "2007-01-23T18:21:45+02:00", "utc": "2007-01-23T16:21:45Z", "ms": 1169569305176.9805 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-22T20:46:06+02:00", "utc": "2007-01-22T18:46:06Z", "ms": 1169491565666.7239 }, "end": { "local": "2007-01-23T18:21:45+02:00", "utc": "2007-01-23T16:21:45Z", "ms": 1169569305176.9805 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-01-22", "window": { "start": { "local": "2007-01-22T11:55:55+02:00", "utc": "2007-01-22T09:55:55Z", "ms": 1169459754622.1084 }, "end": { "local": "2007-01-22T12:43:55+02:00", "utc": "2007-01-22T10:43:55Z", "ms": 1169462634622.1084 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-01-23", "window": { "start": { "local": "2007-01-23T11:56:10+02:00", "utc": "2007-01-23T09:56:10Z", "ms": 1169546170361.7654 }, "end": { "local": "2007-01-23T12:44:10+02:00", "utc": "2007-01-23T10:44:10Z", "ms": 1169549050361.7654 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:46 on Mon 22 Jan to 18:22 on Tue 23 Jan.", "fact": "2007-01-22T18:46:06Z → 2007-01-23T16:21:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 22nd, 11:56–12:44 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20255 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Soweto, 2007: Tuesday 23 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": "2007-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-23", "confidence": "determinate" } ], "quote": "In Soweto, Śrī Pañcamī 2007 falls on Tuesday 23 January. Pañcamī runs from 20:46 on Mon 22 Jan to 18:22 on Tue 23 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20255, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2007-01-22T20:46:06+02:00", "utc": "2007-01-22T18:46:06Z", "ms": 1169491565666.7239 }, "end": { "local": "2007-01-23T18:21:45+02:00", "utc": "2007-01-23T16:21:45Z", "ms": 1169569305176.9805 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-22T20:46:06+02:00", "utc": "2007-01-22T18:46:06Z", "ms": 1169491565666.7239 }, "end": { "local": "2007-01-23T18:21:45+02:00", "utc": "2007-01-23T16:21:45Z", "ms": 1169569305176.9805 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-01-22", "window": { "start": { "local": "2007-01-22T11:55:55+02:00", "utc": "2007-01-22T09:55:55Z", "ms": 1169459754622.1084 }, "end": { "local": "2007-01-22T12:43:55+02:00", "utc": "2007-01-22T10:43:55Z", "ms": 1169462634622.1084 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-01-23", "window": { "start": { "local": "2007-01-23T11:56:10+02:00", "utc": "2007-01-23T09:56:10Z", "ms": 1169546170361.7654 }, "end": { "local": "2007-01-23T12:44:10+02:00", "utc": "2007-01-23T10:44:10Z", "ms": 1169549050361.7654 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:46 on Mon 22 Jan to 18:22 on Tue 23 Jan.", "fact": "2007-01-22T18:46:06Z → 2007-01-23T16:21:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 22nd, 11:56–12:44 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20255 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Soweto, 2007: Tuesday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-23", "confidence": "determinate" } ], "quote": "In Soweto, Vasanta Pañcamī 2007 falls on Tuesday 23 January. Pañcamī runs from 20:46 on Mon 22 Jan to 18:22 on Tue 23 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30108, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2007-01-24T16:05:13+02:00", "utc": "2007-01-24T14:05:13Z", "ms": 1169647512641.1372 }, "end": { "local": "2007-01-25T13:59:30+02:00", "utc": "2007-01-25T11:59:30Z", "ms": 1169726370471.4343 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-24T16:05:13+02:00", "utc": "2007-01-24T14:05:13Z", "ms": 1169647512641.1372 }, "end": { "local": "2007-01-25T13:59:30+02:00", "utc": "2007-01-25T11:59:30Z", "ms": 1169726370471.4343 } }, "kaala": "arunodaya", "days": [ { "local_date": "2007-01-24", "window": { "start": { "local": "2007-01-24T04:12:33+02:00", "utc": "2007-01-24T02:12:33Z", "ms": 1169604753320.0083 }, "end": { "local": "2007-01-24T05:36:55+02:00", "utc": "2007-01-24T03:36:55Z", "ms": 1169609814825.8 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2007-01-25", "window": { "start": { "local": "2007-01-25T04:13:12+02:00", "utc": "2007-01-25T02:13:12Z", "ms": 1169691192143.1113 }, "end": { "local": "2007-01-25T05:37:42+02:00", "utc": "2007-01-25T03:37:42Z", "ms": 1169696262350.6125 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:05 on Wed 24 Jan to 14:00 on Thu 25 Jan.", "fact": "2007-01-24T14:05:13Z → 2007-01-25T11:59:30Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:13–05:37 on the 24th, 04:13–05:38 on the 25th.", "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 84 minutes on the 24th and 85 of 85 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30108 s" }, { "step": "ruling", "text": "Ratha Saptamī, Soweto, 2007: Thursday 25 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": "2007-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-25", "confidence": "determinate" } ], "quote": "In Soweto, Ratha Saptamī 2007 falls on Thursday 25 January. Saptamī runs from 16:05 on Wed 24 Jan to 14:00 on Thu 25 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-01-29", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8588, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-01-28T09:07:19+02:00", "utc": "2007-01-28T07:07:19Z", "ms": 1169968039001.626 }, "end": { "local": "2007-01-29T08:03:59+02:00", "utc": "2007-01-29T06:03:59Z", "ms": 1170050638652.7983 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-28T09:07:19+02:00", "utc": "2007-01-28T07:07:19Z", "ms": 1169968039001.626 }, "end": { "local": "2007-01-29T08:03:59+02:00", "utc": "2007-01-29T06:03:59Z", "ms": 1170050638652.7983 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-01-28", "window": { "start": { "local": "2007-01-28T05:40:04+02:00", "utc": "2007-01-28T03:40:04Z", "ms": 1169955603978.006 }, "end": { "local": "2007-01-28T05:40:04+02:00", "utc": "2007-01-28T03:40:04Z", "ms": 1169955603978.006 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-01-29", "window": { "start": { "local": "2007-01-29T05:40:51+02:00", "utc": "2007-01-29T03:40:51Z", "ms": 1170042050787.1226 }, "end": { "local": "2007-01-29T05:40:51+02:00", "utc": "2007-01-29T03:40:51Z", "ms": 1170042050787.1226 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:07 on Sun 28 Jan to 08:04 on Mon 29 Jan.", "fact": "2007-01-28T07:07:19Z → 2007-01-29T06:03:59Z" }, { "step": "kaala", "text": "Sunrise is at 05:40 on the 28th and 05:41 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8588 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Soweto, 2007: Monday 29 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": "2007-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-29", "confidence": "determinate" } ], "quote": "In Soweto, Jayā Ekādaśī 2007 falls on Monday 29 January. Ekādaśī runs from 09:07 on Sun 28 Jan to 08:04 on Mon 29 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14009, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2007-01-29T08:03:59+02:00", "utc": "2007-01-29T06:03:59Z", "ms": 1170050638652.7983 }, "end": { "local": "2007-01-30T07:21:14+02:00", "utc": "2007-01-30T05:21:14Z", "ms": 1170134473745.9863 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-29T08:03:59+02:00", "utc": "2007-01-29T06:03:59Z", "ms": 1170050638652.7983 }, "end": { "local": "2007-01-30T07:21:14+02:00", "utc": "2007-01-30T05:21:14Z", "ms": 1170134473745.9863 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-01-29", "window": { "start": { "local": "2007-01-29T11:57:28+02:00", "utc": "2007-01-29T09:57:28Z", "ms": 1170064647900.7007 }, "end": { "local": "2007-01-29T12:45:28+02:00", "utc": "2007-01-29T10:45:28Z", "ms": 1170067527900.7007 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-01-30", "window": { "start": { "local": "2007-01-30T11:57:38+02:00", "utc": "2007-01-30T09:57:38Z", "ms": 1170151057961.6177 }, "end": { "local": "2007-01-30T12:45:38+02:00", "utc": "2007-01-30T10:45:38Z", "ms": 1170153937961.6177 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:04 on Mon 29 Jan to 07:21 on Tue 30 Jan.", "fact": "2007-01-29T06:03:59Z → 2007-01-30T05:21:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 29th, 11:58–12:46 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14009 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Soweto, 2007: Monday 29 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": "2007-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-29", "confidence": "determinate" } ], "quote": "In Soweto, Bhīṣma Dvādaśī 2007 falls on Monday 29 January. Dvādaśī runs from 08:04 on Mon 29 Jan to 07:21 on Tue 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-01-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38089, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-01-30T07:21:14+02:00", "utc": "2007-01-30T05:21:14Z", "ms": 1170134473745.9863 }, "end": { "local": "2007-01-31T07:01:53+02:00", "utc": "2007-01-31T05:01:53Z", "ms": 1170219713152.1035 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-01-30T07:21:14+02:00", "utc": "2007-01-30T05:21:14Z", "ms": 1170134473745.9863 }, "end": { "local": "2007-01-31T07:01:53+02:00", "utc": "2007-01-31T05:01:53Z", "ms": 1170219713152.1035 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-01-29", "window": { "start": { "local": "2007-01-29T19:02:05+02:00", "utc": "2007-01-29T17:02:05Z", "ms": 1170090125014.279 }, "end": { "local": "2007-01-29T20:27:21+02:00", "utc": "2007-01-29T18:27:21Z", "ms": 1170095241326.9976 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2007-01-30", "window": { "start": { "local": "2007-01-30T19:01:39+02:00", "utc": "2007-01-30T17:01:39Z", "ms": 1170176498563.5671 }, "end": { "local": "2007-01-30T20:27:05+02:00", "utc": "2007-01-30T18:27:05Z", "ms": 1170181624578.6663 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:21 on Tue 30 Jan to 07:02 on Wed 31 Jan.", "fact": "2007-01-30T05:21:14Z → 2007-01-31T05:01:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:02–20:27 on the 29th, 19:02–20:27 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 29th and 85 of 85 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38089 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Tuesday 30 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": "2007-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-01-30", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Tuesday 30 January. Trayodaśī runs from 07:21 on Tue 30 Jan to 07:02 on Wed 31 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-01-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15165, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-02-01T07:08:59+02:00", "utc": "2007-02-01T05:08:59Z", "ms": 1170306539120.3823 }, "end": { "local": "2007-02-02T07:45:18+02:00", "utc": "2007-02-02T05:45:18Z", "ms": 1170395117884.0312 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2007-02-01T07:08:59+02:00", "utc": "2007-02-01T05:08:59Z", "ms": 1170306539120.3823 }, "end": { "local": "2007-02-02T07:45:18+02:00", "utc": "2007-02-02T05:45:18Z", "ms": 1170395117884.0312 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-02-01", "window": { "start": { "local": "2007-02-01T11:57:56+02:00", "utc": "2007-02-01T09:57:56Z", "ms": 1170323875626.104 }, "end": { "local": "2007-02-01T12:45:56+02:00", "utc": "2007-02-01T10:45:56Z", "ms": 1170326755626.104 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-02-02", "window": { "start": { "local": "2007-02-02T11:58:03+02:00", "utc": "2007-02-02T09:58:03Z", "ms": 1170410283235.6057 }, "end": { "local": "2007-02-02T12:46:03+02:00", "utc": "2007-02-02T10:46:03Z", "ms": 1170413163235.6057 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:09 on Thu 1 Feb to 07:45 on Fri 2 Feb.", "fact": "2007-02-01T05:08:59Z → 2007-02-02T05:45:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 1st, 11:58–12:46 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15165 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Soweto, 2007: Thursday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-02-01", "confidence": "determinate" } ], "quote": "In Soweto, Māghī Pūrṇimā 2007 falls on Thursday 1 February. Pūrṇimā runs from 07:09 on Thu 1 Feb to 07:45 on Fri 2 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-02-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22585, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-02-05T12:37:12+02:00", "utc": "2007-02-05T10:37:12Z", "ms": 1170671831688.2266 }, "end": { "local": "2007-02-06T15:05:22+02:00", "utc": "2007-02-06T13:05:22Z", "ms": 1170767121515.13 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2007-02-05T12:37:12+02:00", "utc": "2007-02-05T10:37:12Z", "ms": 1170671831688.2266 }, "end": { "local": "2007-02-06T15:05:22+02:00", "utc": "2007-02-06T13:05:22Z", "ms": 1170767121515.13 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-02-05", "window": { "start": { "local": "2007-02-05T20:54:31+02:00", "utc": "2007-02-05T18:54:31Z", "ms": 1170701670621.7795 }, "end": { "local": "2007-02-05T20:54:31+02:00", "utc": "2007-02-05T18:54:31Z", "ms": 1170701670621.7795 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-02-06", "window": { "start": { "local": "2007-02-06T21:21:47+02:00", "utc": "2007-02-06T19:21:47Z", "ms": 1170789706954.2297 }, "end": { "local": "2007-02-06T21:21:47+02:00", "utc": "2007-02-06T19:21:47Z", "ms": 1170789706954.2297 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:37 on Mon 5 Feb to 15:05 on Tue 6 Feb.", "fact": "2007-02-05T10:37:12Z → 2007-02-06T13:05:22Z" }, { "step": "kaala", "text": "Moonrise is at 20:55 on the 5th and 21:22 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "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 22585 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Monday 5 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": "2007-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-02-05", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Monday 5 February. Caturthī runs from 12:37 on Mon 5 Feb to 15:05 on Tue 6 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ekadashi?on=2007-02-13", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12069, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-02-13T02:30:47+02:00", "utc": "2007-02-13T00:30:47Z", "ms": 1171326647032.21 }, "end": { "local": "2007-02-14T02:12:29+02:00", "utc": "2007-02-14T00:12:29Z", "ms": 1171411948512.9373 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2007-02-13T02:30:47+02:00", "utc": "2007-02-13T00:30:47Z", "ms": 1171326647032.21 }, "end": { "local": "2007-02-14T02:12:29+02:00", "utc": "2007-02-14T00:12:29Z", "ms": 1171411948512.9373 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-02-13", "window": { "start": { "local": "2007-02-13T05:51:56+02:00", "utc": "2007-02-13T03:51:56Z", "ms": 1171338716414.7705 }, "end": { "local": "2007-02-13T05:51:56+02:00", "utc": "2007-02-13T03:51:56Z", "ms": 1171338716414.7705 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-02-14", "window": { "start": { "local": "2007-02-14T05:52:38+02:00", "utc": "2007-02-14T03:52:38Z", "ms": 1171425157853.2036 }, "end": { "local": "2007-02-14T05:52:38+02:00", "utc": "2007-02-14T03:52:38Z", "ms": 1171425157853.2036 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:31 on Tue 13 Feb to 02:12 on Wed 14 Feb.", "fact": "2007-02-13T00:30:47Z → 2007-02-14T00:12:29Z" }, { "step": "kaala", "text": "Sunrise is at 05:52 on the 13th and 05:53 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12069 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Soweto, 2007: Tuesday 13 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": "2007-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-02-13", "confidence": "determinate" } ], "quote": "In Soweto, Vijayā Ekādaśī 2007 falls on Tuesday 13 February. Ekādaśī runs from 02:31 on Tue 13 Feb to 02:12 on Wed 14 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-02-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2252, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-02-15T23:21:19+02:00", "utc": "2007-02-15T21:21:19Z", "ms": 1171574478964.8352 }, "end": { "local": "2007-02-16T21:00:43+02:00", "utc": "2007-02-16T19:00:43Z", "ms": 1171652442789.7927 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2007-02-15T23:21:19+02:00", "utc": "2007-02-15T21:21:19Z", "ms": 1171574478964.8352 }, "end": { "local": "2007-02-16T21:00:43+02:00", "utc": "2007-02-16T19:00:43Z", "ms": 1171652442789.7927 } }, "kaala": "nishita", "days": [ { "local_date": "2007-02-15", "window": { "start": { "local": "2007-02-15T23:58:51+02:00", "utc": "2007-02-15T21:58:51Z", "ms": 1171576731179.287 }, "end": { "local": "2007-02-16T00:46:51+02:00", "utc": "2007-02-15T22:46:51Z", "ms": 1171579611179.287 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-02-16", "window": { "start": { "local": "2007-02-16T23:58:48+02:00", "utc": "2007-02-16T21:58:48Z", "ms": 1171663127876.1948 }, "end": { "local": "2007-02-17T00:46:48+02:00", "utc": "2007-02-16T22:46:48Z", "ms": 1171666007876.1948 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:21 on Thu 15 Feb to 21:01 on Fri 16 Feb.", "fact": "2007-02-15T21:21:19Z → 2007-02-16T19:00:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:59–00:47 on the 15th, 23:59–00:47 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 2252 s" }, { "step": "ruling", "text": "Mahāśivarātri, Soweto, 2007: Thursday 15 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": "2007-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-02-15", "confidence": "determinate" } ], "quote": "In Soweto, Mahāśivarātri 2007 falls on Thursday 15 February. Caturdaśī runs from 23:21 on Thu 15 Feb to 21:01 on Fri 16 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-02-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10878, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-02-15T01:07:38+02:00", "utc": "2007-02-14T23:07:38Z", "ms": 1171494458422.5073 }, "end": { "local": "2007-02-15T23:21:19+02:00", "utc": "2007-02-15T21:21:19Z", "ms": 1171574478964.8352 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2007-02-15T01:07:38+02:00", "utc": "2007-02-14T23:07:38Z", "ms": 1171494458422.5073 }, "end": { "local": "2007-02-15T23:21:19+02:00", "utc": "2007-02-15T21:21:19Z", "ms": 1171574478964.8352 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-02-14", "window": { "start": { "local": "2007-02-14T18:52:29+02:00", "utc": "2007-02-14T16:52:29Z", "ms": 1171471948656.9885 }, "end": { "local": "2007-02-14T20:20:35+02:00", "utc": "2007-02-14T18:20:35Z", "ms": 1171477235352.9153 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2007-02-15", "window": { "start": { "local": "2007-02-15T18:51:43+02:00", "utc": "2007-02-15T16:51:43Z", "ms": 1171558302881.6511 }, "end": { "local": "2007-02-15T20:20:01+02:00", "utc": "2007-02-15T18:20:01Z", "ms": 1171563601094.354 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:08 on Thu 15 Feb to 23:21 on Thu 15 Feb.", "fact": "2007-02-14T23:07:38Z → 2007-02-15T21:21:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:21 on the 14th, 18:52–20:20 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 14th and 88 of 88 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 10878 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Thursday 15 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": "2007-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-02-15", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Thursday 15 February. Trayodaśī runs from 01:08 on Thu 15 Feb to 23:21 on Thu 15 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-02-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-02-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11286, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-02-20T08:50:02+02:00", "utc": "2007-02-20T06:50:02Z", "ms": 1171954202196.5046 }, "end": { "local": "2007-02-21T05:48:49+02:00", "utc": "2007-02-21T03:48:49Z", "ms": 1172029728960.849 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2007-02-20T08:50:02+02:00", "utc": "2007-02-20T06:50:02Z", "ms": 1171954202196.5046 }, "end": { "local": "2007-02-21T05:48:49+02:00", "utc": "2007-02-21T03:48:49Z", "ms": 1172029728960.849 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-02-20", "window": { "start": { "local": "2007-02-20T11:58:08+02:00", "utc": "2007-02-20T09:58:08Z", "ms": 1171965488479.0215 }, "end": { "local": "2007-02-20T12:46:08+02:00", "utc": "2007-02-20T10:46:08Z", "ms": 1171968368479.0215 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-02-21", "window": { "start": { "local": "2007-02-21T11:58:02+02:00", "utc": "2007-02-21T09:58:02Z", "ms": 1172051881955.0435 }, "end": { "local": "2007-02-21T12:46:02+02:00", "utc": "2007-02-21T10:46:02Z", "ms": 1172054761955.0435 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:50 on Tue 20 Feb to 05:49 on Wed 21 Feb.", "fact": "2007-02-20T06:50:02Z → 2007-02-21T03:48:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 20th, 11:58–12:46 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11286 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Tuesday 20 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": "2007-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-02-20", "confidence": "determinate" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Tuesday 20 February. Caturthī runs from 08:50 on Tue 20 Feb to 05:49 on Wed 21 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ekadashi?on=2007-02-27", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35809, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-02-26T19:56:48+02:00", "utc": "2007-02-26T17:56:48Z", "ms": 1172512608343.2207 }, "end": { "local": "2007-02-27T20:04:43+02:00", "utc": "2007-02-27T18:04:43Z", "ms": 1172599482828.9812 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2007-02-26T19:56:48+02:00", "utc": "2007-02-26T17:56:48Z", "ms": 1172512608343.2207 }, "end": { "local": "2007-02-27T20:04:43+02:00", "utc": "2007-02-27T18:04:43Z", "ms": 1172599482828.9812 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-02-27", "window": { "start": { "local": "2007-02-27T06:00:57+02:00", "utc": "2007-02-27T04:00:57Z", "ms": 1172548856718.8376 }, "end": { "local": "2007-02-27T06:00:57+02:00", "utc": "2007-02-27T04:00:57Z", "ms": 1172548856718.8376 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-02-28", "window": { "start": { "local": "2007-02-28T06:01:32+02:00", "utc": "2007-02-28T04:01:32Z", "ms": 1172635291985.834 }, "end": { "local": "2007-02-28T06:01:32+02:00", "utc": "2007-02-28T04:01:32Z", "ms": 1172635291985.834 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:57 on Mon 26 Feb to 20:05 on Tue 27 Feb.", "fact": "2007-02-26T17:56:48Z → 2007-02-27T18:04:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 27th and 06:02 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 35809 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Soweto, 2007: Tuesday 27 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": "2007-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-02-27", "confidence": "determinate" } ], "quote": "In Soweto, Āmalakī Ekādaśī 2007 falls on Tuesday 27 February. Ekādaśī runs from 19:57 on Mon 26 Feb to 20:05 on Tue 27 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-03-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1889, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-02-28T20:42:48+02:00", "utc": "2007-02-28T18:42:48Z", "ms": 1172688168080.1077 }, "end": { "local": "2007-03-01T21:49:12+02:00", "utc": "2007-03-01T19:49:12Z", "ms": 1172778551905.7903 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2007-02-28T20:42:48+02:00", "utc": "2007-02-28T18:42:48Z", "ms": 1172688168080.1077 }, "end": { "local": "2007-03-01T21:49:12+02:00", "utc": "2007-03-01T19:49:12Z", "ms": 1172778551905.7903 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-02-28", "window": { "start": { "local": "2007-02-28T18:40:26+02:00", "utc": "2007-02-28T16:40:26Z", "ms": 1172680825518.4001 }, "end": { "local": "2007-02-28T20:11:19+02:00", "utc": "2007-02-28T18:11:19Z", "ms": 1172686279027.4473 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2007-03-01", "window": { "start": { "local": "2007-03-01T18:39:28+02:00", "utc": "2007-03-01T16:39:28Z", "ms": 1172767168015.7266 }, "end": { "local": "2007-03-01T20:10:34+02:00", "utc": "2007-03-01T18:10:34Z", "ms": 1172772633784.4941 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:43 on Wed 28 Feb to 21:49 on Thu 1 Mar.", "fact": "2007-02-28T18:42:48Z → 2007-03-01T19:49:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:11 on the 28th, 18:39–20:11 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 28th and 91 of 91 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1889 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Thursday 1 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": "2007-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-01", "confidence": "boundary" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Thursday 1 March. Trayodaśī runs from 20:43 on Wed 28 Feb to 21:49 on Thu 1 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-03-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16985, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-03-02T23:21:35+02:00", "utc": "2007-03-02T21:21:35Z", "ms": 1172870495339.7532 }, "end": { "local": "2007-03-04T01:17:07+02:00", "utc": "2007-03-03T23:17:07Z", "ms": 1172963826825.0469 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2007-03-02T23:21:35+02:00", "utc": "2007-03-02T21:21:35Z", "ms": 1172870495339.7532 }, "end": { "local": "2007-03-04T01:17:07+02:00", "utc": "2007-03-03T23:17:07Z", "ms": 1172963826825.0469 } }, "kaala": "sayahna", "days": [ { "local_date": "2007-03-02", "window": { "start": { "local": "2007-03-02T16:07:20+02:00", "utc": "2007-03-02T14:07:20Z", "ms": 1172844440166.451 }, "end": { "local": "2007-03-02T18:38:30+02:00", "utc": "2007-03-02T16:38:30Z", "ms": 1172853509887.6929 } }, "covered_min": 0, "window_min": 151, "qualifies": false }, { "local_date": "2007-03-03", "window": { "start": { "local": "2007-03-03T16:06:40+02:00", "utc": "2007-03-03T14:06:40Z", "ms": 1172930799998.2876 }, "end": { "local": "2007-03-03T18:37:31+02:00", "utc": "2007-03-03T16:37:31Z", "ms": 1172939851164.413 } }, "covered_min": 151, "window_min": 151, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:22 on Fri 2 Mar to 01:17 on Sun 4 Mar.", "fact": "2007-03-02T21:21:35Z → 2007-03-03T23:17:07Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:07–18:38 on the 2nd, 16:07–18:38 on the 3rd.", "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 151 minutes on the 2nd and 151 of 151 on the 3rd.", "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 16985 s" }, { "step": "ruling", "text": "Holikā Dahana, Soweto, 2007: Saturday 3 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": "2007-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-03", "confidence": "determinate" } ], "quote": "In Soweto, Holikā Dahana 2007 falls on Saturday 3 March. Pūrṇimā runs from 23:22 on Fri 2 Mar to 01:17 on Sun 4 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16985, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-03-02T23:21:35+02:00", "utc": "2007-03-02T21:21:35Z", "ms": 1172870495339.7532 }, "end": { "local": "2007-03-04T01:17:07+02:00", "utc": "2007-03-03T23:17:07Z", "ms": 1172963826825.0469 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2007-03-02T23:21:35+02:00", "utc": "2007-03-02T21:21:35Z", "ms": 1172870495339.7532 }, "end": { "local": "2007-03-04T01:17:07+02:00", "utc": "2007-03-03T23:17:07Z", "ms": 1172963826825.0469 } }, "kaala": "sayahna", "days": [ { "local_date": "2007-03-02", "window": { "start": { "local": "2007-03-02T16:07:20+02:00", "utc": "2007-03-02T14:07:20Z", "ms": 1172844440166.451 }, "end": { "local": "2007-03-02T18:38:30+02:00", "utc": "2007-03-02T16:38:30Z", "ms": 1172853509887.6929 } }, "covered_min": 0, "window_min": 151, "qualifies": false }, { "local_date": "2007-03-03", "window": { "start": { "local": "2007-03-03T16:06:40+02:00", "utc": "2007-03-03T14:06:40Z", "ms": 1172930799998.2876 }, "end": { "local": "2007-03-03T18:37:31+02:00", "utc": "2007-03-03T16:37:31Z", "ms": 1172939851164.413 } }, "covered_min": 151, "window_min": 151, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2007-03-03", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:22 on Fri 2 Mar to 01:17 on Sun 4 Mar.", "fact": "2007-03-02T21:21:35Z → 2007-03-03T23:17:07Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:07–18:38 on the 2nd, 16:07–18:38 on the 3rd.", "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 151 minutes on the 2nd and 151 of 151 on the 3rd.", "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 16985 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Saturday 3 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Soweto, 2007: Sunday 4 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": "2007-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-04", "confidence": "determinate" } ], "quote": "In Soweto, Holī 2007 falls on Sunday 4 March. It is kept the day after Holikā Dahana, which falls on Saturday 3 March. Pūrṇimā runs from 23:22 on Fri 2 Mar to 01:17 on Sun 4 Mar and covers all of sāyāhna on the 3rd.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9138, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2007-03-04T01:17:07+02:00", "utc": "2007-03-03T23:17:07Z", "ms": 1172963826825.0469 }, "end": { "local": "2007-03-05T03:32:05+02:00", "utc": "2007-03-05T01:32:05Z", "ms": 1173058324651.5955 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-04T01:17:07+02:00", "utc": "2007-03-03T23:17:07Z", "ms": 1172963826825.0469 }, "end": { "local": "2007-03-05T03:32:05+02:00", "utc": "2007-03-05T01:32:05Z", "ms": 1173058324651.5955 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-03-04", "window": { "start": { "local": "2007-03-04T06:03:49+02:00", "utc": "2007-03-04T04:03:49Z", "ms": 1172981029006.1235 }, "end": { "local": "2007-03-04T06:03:49+02:00", "utc": "2007-03-04T04:03:49Z", "ms": 1172981029006.1235 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-03-05", "window": { "start": { "local": "2007-03-05T06:04:22+02:00", "utc": "2007-03-05T04:04:22Z", "ms": 1173067462312.0034 }, "end": { "local": "2007-03-05T06:04:22+02:00", "utc": "2007-03-05T04:04:22Z", "ms": 1173067462312.0034 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:17 on Sun 4 Mar to 03:32 on Mon 5 Mar.", "fact": "2007-03-03T23:17:07Z → 2007-03-05T01:32:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 4th and 06:04 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9138 s" }, { "step": "ruling", "text": "Vasantotsava, Soweto, 2007: Sunday 4 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": "2007-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-04", "confidence": "determinate" } ], "quote": "In Soweto, Vasantotsava 2007 falls on Sunday 4 March. Pratipadā runs from 01:17 on Sun 4 Mar to 03:32 on Mon 5 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-03-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34594, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-03-07T08:38:54+02:00", "utc": "2007-03-07T06:38:54Z", "ms": 1173249534020.8538 }, "end": { "local": "2007-03-08T11:15:47+02:00", "utc": "2007-03-08T09:15:47Z", "ms": 1173345347275.754 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-07T08:38:54+02:00", "utc": "2007-03-07T06:38:54Z", "ms": 1173249534020.8538 }, "end": { "local": "2007-03-08T11:15:47+02:00", "utc": "2007-03-08T09:15:47Z", "ms": 1173345347275.754 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-03-07", "window": { "start": { "local": "2007-03-07T20:20:33+02:00", "utc": "2007-03-07T18:20:33Z", "ms": 1173291633458.2344 }, "end": { "local": "2007-03-07T20:20:33+02:00", "utc": "2007-03-07T18:20:33Z", "ms": 1173291633458.2344 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-03-08", "window": { "start": { "local": "2007-03-08T20:52:21+02:00", "utc": "2007-03-08T18:52:21Z", "ms": 1173379941046.3608 }, "end": { "local": "2007-03-08T20:52:21+02:00", "utc": "2007-03-08T18:52:21Z", "ms": 1173379941046.3608 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:39 on Wed 7 Mar to 11:16 on Thu 8 Mar.", "fact": "2007-03-07T06:38:54Z → 2007-03-08T09:15:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 7th and 20:52 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34594 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Wednesday 7 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-07", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Wednesday 7 March. Caturthī runs from 08:39 on Wed 7 Mar to 11:16 on Thu 8 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16749, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2007-03-11T17:21:38+02:00", "utc": "2007-03-11T15:21:38Z", "ms": 1173626498311.764 }, "end": { "local": "2007-03-12T18:15:45+02:00", "utc": "2007-03-12T16:15:45Z", "ms": 1173716144866.896 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-11T17:21:38+02:00", "utc": "2007-03-11T15:21:38Z", "ms": 1173626498311.764 }, "end": { "local": "2007-03-12T18:15:45+02:00", "utc": "2007-03-12T16:15:45Z", "ms": 1173716144866.896 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-11", "window": { "start": { "local": "2007-03-11T11:54:29+02:00", "utc": "2007-03-11T09:54:29Z", "ms": 1173606869381.0688 }, "end": { "local": "2007-03-11T12:42:29+02:00", "utc": "2007-03-11T10:42:29Z", "ms": 1173609749381.0688 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-03-12", "window": { "start": { "local": "2007-03-12T11:54:14+02:00", "utc": "2007-03-12T09:54:14Z", "ms": 1173693253574.1143 }, "end": { "local": "2007-03-12T12:42:14+02:00", "utc": "2007-03-12T10:42:14Z", "ms": 1173696133574.1143 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:22 on Sun 11 Mar to 18:16 on Mon 12 Mar.", "fact": "2007-03-11T15:21:38Z → 2007-03-12T16:15:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 11th, 11:54–12:42 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16749 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Soweto, 2007: Monday 12 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": "2007-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-12", "confidence": "determinate" } ], "quote": "In Soweto, Śītalāṣṭamī 2007 falls on Monday 12 March. Aṣṭamī runs from 17:22 on Sun 11 Mar to 18:16 on Mon 12 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-03-15", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36569, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-03-14T17:45:02+02:00", "utc": "2007-03-14T15:45:02Z", "ms": 1173887102128.0999 }, "end": { "local": "2007-03-15T16:19:07+02:00", "utc": "2007-03-15T14:19:07Z", "ms": 1173968347004.5005 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-14T17:45:02+02:00", "utc": "2007-03-14T15:45:02Z", "ms": 1173887102128.0999 }, "end": { "local": "2007-03-15T16:19:07+02:00", "utc": "2007-03-15T14:19:07Z", "ms": 1173968347004.5005 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-03-14", "window": { "start": { "local": "2007-03-14T06:09:08+02:00", "utc": "2007-03-14T04:09:08Z", "ms": 1173845347856.9893 }, "end": { "local": "2007-03-14T06:09:08+02:00", "utc": "2007-03-14T04:09:08Z", "ms": 1173845347856.9893 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-03-15", "window": { "start": { "local": "2007-03-15T06:09:38+02:00", "utc": "2007-03-15T04:09:38Z", "ms": 1173931778252.2883 }, "end": { "local": "2007-03-15T06:09:38+02:00", "utc": "2007-03-15T04:09:38Z", "ms": 1173931778252.2883 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:45 on Wed 14 Mar to 16:19 on Thu 15 Mar.", "fact": "2007-03-14T15:45:02Z → 2007-03-15T14:19:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 14th and 06:10 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36569 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Soweto, 2007: Thursday 15 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": "2007-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-15", "confidence": "determinate" } ], "quote": "In Soweto, Pāpamocanī Ekādaśī 2007 falls on Thursday 15 March. Ekādaśī runs from 17:45 on Wed 14 Mar to 16:19 on Thu 15 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-03-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15206, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-03-16T14:10:41+02:00", "utc": "2007-03-16T12:10:41Z", "ms": 1174047040753.7893 }, "end": { "local": "2007-03-17T11:26:11+02:00", "utc": "2007-03-17T09:26:11Z", "ms": 1174123571202.7202 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-16T14:10:41+02:00", "utc": "2007-03-16T12:10:41Z", "ms": 1174047040753.7893 }, "end": { "local": "2007-03-17T11:26:11+02:00", "utc": "2007-03-17T09:26:11Z", "ms": 1174123571202.7202 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-03-16", "window": { "start": { "local": "2007-03-16T18:24:07+02:00", "utc": "2007-03-16T16:24:07Z", "ms": 1174062247081.1934 }, "end": { "local": "2007-03-16T19:58:19+02:00", "utc": "2007-03-16T17:58:19Z", "ms": 1174067899255.3945 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2007-03-17", "window": { "start": { "local": "2007-03-17T18:23:03+02:00", "utc": "2007-03-17T16:23:03Z", "ms": 1174148583103.3098 }, "end": { "local": "2007-03-17T19:57:28+02:00", "utc": "2007-03-17T17:57:28Z", "ms": 1174154247775.7532 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:11 on Fri 16 Mar to 11:26 on Sat 17 Mar.", "fact": "2007-03-16T12:10:41Z → 2007-03-17T09:26:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:58 on the 16th, 18:23–19:57 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 16th and 0 of 94 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15206 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Friday 16 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": "2007-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-16", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Friday 16 March. Trayodaśī runs from 14:11 on Fri 16 Mar to 11:26 on Sat 17 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-03-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-03-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27160, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-03-17T11:26:11+02:00", "utc": "2007-03-17T09:26:11Z", "ms": 1174123571202.7202 }, "end": { "local": "2007-03-18T08:13:45+02:00", "utc": "2007-03-18T06:13:45Z", "ms": 1174198425260.5723 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-17T11:26:11+02:00", "utc": "2007-03-17T09:26:11Z", "ms": 1174123571202.7202 }, "end": { "local": "2007-03-18T08:13:45+02:00", "utc": "2007-03-18T06:13:45Z", "ms": 1174198425260.5723 } }, "kaala": "nishita", "days": [ { "local_date": "2007-03-16", "window": { "start": { "local": "2007-03-16T23:53:23+02:00", "utc": "2007-03-16T21:53:23Z", "ms": 1174082002734.4478 }, "end": { "local": "2007-03-17T00:41:23+02:00", "utc": "2007-03-16T22:41:23Z", "ms": 1174084882734.4478 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-03-17", "window": { "start": { "local": "2007-03-17T23:53:06+02:00", "utc": "2007-03-17T21:53:06Z", "ms": 1174168385624.9727 }, "end": { "local": "2007-03-18T00:41:06+02:00", "utc": "2007-03-17T22:41:06Z", "ms": 1174171265624.9727 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:26 on Sat 17 Mar to 08:14 on Sun 18 Mar.", "fact": "2007-03-17T09:26:11Z → 2007-03-18T06:13:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 16th, 23:53–00:41 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27160 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Saturday 17 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": "2007-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-17", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Saturday 17 March. Caturdaśī runs from 11:26 on Sat 17 Mar to 08:14 on Sun 18 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-03-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25783, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2007-03-19T04:42:34+02:00", "utc": "2007-03-19T02:42:34Z", "ms": 1174272153587.5093 }, "end": { "local": "2007-03-20T01:02:22+02:00", "utc": "2007-03-19T23:02:22Z", "ms": 1174345342312.7217 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-19T04:42:34+02:00", "utc": "2007-03-19T02:42:34Z", "ms": 1174272153587.5093 }, "end": { "local": "2007-03-20T01:02:22+02:00", "utc": "2007-03-19T23:02:22Z", "ms": 1174345342312.7217 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-19", "window": { "start": { "local": "2007-03-19T11:52:16+02:00", "utc": "2007-03-19T09:52:16Z", "ms": 1174297936187.019 }, "end": { "local": "2007-03-19T12:40:16+02:00", "utc": "2007-03-19T10:40:16Z", "ms": 1174300816187.019 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-03-20", "window": { "start": { "local": "2007-03-20T11:51:59+02:00", "utc": "2007-03-20T09:51:59Z", "ms": 1174384318668.2146 }, "end": { "local": "2007-03-20T12:39:59+02:00", "utc": "2007-03-20T10:39:59Z", "ms": 1174387198668.2146 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:43 on Mon 19 Mar to 01:02 on Tue 20 Mar.", "fact": "2007-03-19T02:42:34Z → 2007-03-19T23:02:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 19th, 11:52–12:40 on the 20th.", "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 19th and 0 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 25783 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Soweto, 2007: Monday 19 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": "2007-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-19", "confidence": "determinate" } ], "quote": "In Soweto, Navarātrārambha (Caitra) (Chaitra Navratri) 2007 falls on Monday 19 March. Pratipadā runs from 04:43 on Mon 19 Mar to 01:02 on Tue 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18908, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2007-03-20T21:23:10+02:00", "utc": "2007-03-20T19:23:10Z", "ms": 1174418590349.3137 }, "end": { "local": "2007-03-21T17:54:49+02:00", "utc": "2007-03-21T15:54:49Z", "ms": 1174492489199.201 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-20T21:23:10+02:00", "utc": "2007-03-20T19:23:10Z", "ms": 1174418590349.3137 }, "end": { "local": "2007-03-21T17:54:49+02:00", "utc": "2007-03-21T15:54:49Z", "ms": 1174492489199.201 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-20", "window": { "start": { "local": "2007-03-20T11:51:59+02:00", "utc": "2007-03-20T09:51:59Z", "ms": 1174384318668.2146 }, "end": { "local": "2007-03-20T12:39:59+02:00", "utc": "2007-03-20T10:39:59Z", "ms": 1174387198668.2146 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-03-21", "window": { "start": { "local": "2007-03-21T11:51:41+02:00", "utc": "2007-03-21T09:51:41Z", "ms": 1174470701010.562 }, "end": { "local": "2007-03-21T12:39:41+02:00", "utc": "2007-03-21T10:39:41Z", "ms": 1174473581010.562 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:23 on Tue 20 Mar to 17:55 on Wed 21 Mar.", "fact": "2007-03-20T19:23:10Z → 2007-03-21T15:54:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 20th, 11:52–12:40 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18908 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Soweto, 2007: Wednesday 21 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": "2007-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-21", "confidence": "determinate" } ], "quote": "In Soweto, Gaurī Tṛtīyā (Gangaur) 2007 falls on Wednesday 21 March. Tṛtīyā runs from 21:23 on Tue 20 Mar to 17:55 on Wed 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18908, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2007-03-20T21:23:10+02:00", "utc": "2007-03-20T19:23:10Z", "ms": 1174418590349.3137 }, "end": { "local": "2007-03-21T17:54:49+02:00", "utc": "2007-03-21T15:54:49Z", "ms": 1174492489199.201 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-20T21:23:10+02:00", "utc": "2007-03-20T19:23:10Z", "ms": 1174418590349.3137 }, "end": { "local": "2007-03-21T17:54:49+02:00", "utc": "2007-03-21T15:54:49Z", "ms": 1174492489199.201 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-20", "window": { "start": { "local": "2007-03-20T11:51:59+02:00", "utc": "2007-03-20T09:51:59Z", "ms": 1174384318668.2146 }, "end": { "local": "2007-03-20T12:39:59+02:00", "utc": "2007-03-20T10:39:59Z", "ms": 1174387198668.2146 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-03-21", "window": { "start": { "local": "2007-03-21T11:51:41+02:00", "utc": "2007-03-21T09:51:41Z", "ms": 1174470701010.562 }, "end": { "local": "2007-03-21T12:39:41+02:00", "utc": "2007-03-21T10:39:41Z", "ms": 1174473581010.562 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:23 on Tue 20 Mar to 17:55 on Wed 21 Mar.", "fact": "2007-03-20T19:23:10Z → 2007-03-21T15:54:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 20th, 11:52–12:40 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18908 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Soweto, 2007: Wednesday 21 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": "2007-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-21", "confidence": "determinate" } ], "quote": "In Soweto, Saubhāgya Śayana Vrata 2007 falls on Wednesday 21 March. Tṛtīyā runs from 21:23 on Tue 20 Mar to 17:55 on Wed 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-03-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7639, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-03-21T17:54:49+02:00", "utc": "2007-03-21T15:54:49Z", "ms": 1174492489199.201 }, "end": { "local": "2007-03-22T14:46:42+02:00", "utc": "2007-03-22T12:46:42Z", "ms": 1174567601775.7576 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-21T17:54:49+02:00", "utc": "2007-03-21T15:54:49Z", "ms": 1174492489199.201 }, "end": { "local": "2007-03-22T14:46:42+02:00", "utc": "2007-03-22T12:46:42Z", "ms": 1174567601775.7576 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-21", "window": { "start": { "local": "2007-03-21T11:51:41+02:00", "utc": "2007-03-21T09:51:41Z", "ms": 1174470701010.562 }, "end": { "local": "2007-03-21T12:39:41+02:00", "utc": "2007-03-21T10:39:41Z", "ms": 1174473581010.562 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-03-22", "window": { "start": { "local": "2007-03-22T11:51:23+02:00", "utc": "2007-03-22T09:51:23Z", "ms": 1174557083230.2124 }, "end": { "local": "2007-03-22T12:39:23+02:00", "utc": "2007-03-22T10:39:23Z", "ms": 1174559963230.2124 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:55 on Wed 21 Mar to 14:47 on Thu 22 Mar.", "fact": "2007-03-21T15:54:49Z → 2007-03-22T12:46:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 21st, 11:51–12:39 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7639 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Thursday 22 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": "2007-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-22", "confidence": "determinate" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Thursday 22 March. Caturthī runs from 17:55 on Wed 21 Mar to 14:47 on Thu 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 972, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2007-03-22T14:46:42+02:00", "utc": "2007-03-22T12:46:42Z", "ms": 1174567601775.7576 }, "end": { "local": "2007-03-23T12:07:17+02:00", "utc": "2007-03-23T10:07:17Z", "ms": 1174644437444.6948 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-22T14:46:42+02:00", "utc": "2007-03-22T12:46:42Z", "ms": 1174567601775.7576 }, "end": { "local": "2007-03-23T12:07:17+02:00", "utc": "2007-03-23T10:07:17Z", "ms": 1174644437444.6948 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-22", "window": { "start": { "local": "2007-03-22T11:51:23+02:00", "utc": "2007-03-22T09:51:23Z", "ms": 1174557083230.2124 }, "end": { "local": "2007-03-22T12:39:23+02:00", "utc": "2007-03-22T10:39:23Z", "ms": 1174559963230.2124 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-03-23", "window": { "start": { "local": "2007-03-23T11:51:05+02:00", "utc": "2007-03-23T09:51:05Z", "ms": 1174643465344.143 }, "end": { "local": "2007-03-23T12:39:05+02:00", "utc": "2007-03-23T10:39:05Z", "ms": 1174646345344.143 } }, "covered_min": 16, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:47 on Thu 22 Mar to 12:07 on Fri 23 Mar.", "fact": "2007-03-22T12:46:42Z → 2007-03-23T10:07:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 22nd, 11:51–12:39 on the 23rd.", "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 22nd and 16 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 972 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Soweto, 2007: Friday 23 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": "2007-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-23", "confidence": "determinate" } ], "quote": "In Soweto, Lakṣmī Pañcamī 2007 falls on Friday 23 March. Pañcamī runs from 14:47 on Thu 22 Mar to 12:07 on Fri 23 Mar and covers 16 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11363, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2007-03-25T08:41:06+02:00", "utc": "2007-03-25T06:41:06Z", "ms": 1174804865858.4263 }, "end": { "local": "2007-03-26T08:02:11+02:00", "utc": "2007-03-26T06:02:11Z", "ms": 1174888931472.5476 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-25T08:41:06+02:00", "utc": "2007-03-25T06:41:06Z", "ms": 1174804865858.4263 }, "end": { "local": "2007-03-26T08:02:11+02:00", "utc": "2007-03-26T06:02:11Z", "ms": 1174888931472.5476 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-25", "window": { "start": { "local": "2007-03-25T11:50:29+02:00", "utc": "2007-03-25T09:50:29Z", "ms": 1174816229327.6997 }, "end": { "local": "2007-03-25T12:38:29+02:00", "utc": "2007-03-25T10:38:29Z", "ms": 1174819109327.6997 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-03-26", "window": { "start": { "local": "2007-03-26T11:50:11+02:00", "utc": "2007-03-26T09:50:11Z", "ms": 1174902611236.1233 }, "end": { "local": "2007-03-26T12:38:11+02:00", "utc": "2007-03-26T10:38:11Z", "ms": 1174905491236.1233 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:41 on Sun 25 Mar to 08:02 on Mon 26 Mar.", "fact": "2007-03-25T06:41:06Z → 2007-03-26T06:02:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 25th, 11:50–12:38 on the 26th.", "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 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: paraviddha → only-day · margin 11363 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Soweto, 2007: Sunday 25 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": "2007-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-25", "confidence": "determinate" } ], "quote": "In Soweto, Bhavānī Utpatti 2007 falls on Sunday 25 March. Aṣṭamī runs from 08:41 on Sun 25 Mar to 08:02 on Mon 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13377, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2007-03-26T08:02:11+02:00", "utc": "2007-03-26T06:02:11Z", "ms": 1174888931472.5476 }, "end": { "local": "2007-03-27T08:06:56+02:00", "utc": "2007-03-27T06:06:56Z", "ms": 1174975615995.0566 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-26T08:02:11+02:00", "utc": "2007-03-26T06:02:11Z", "ms": 1174888931472.5476 }, "end": { "local": "2007-03-27T08:06:56+02:00", "utc": "2007-03-27T06:06:56Z", "ms": 1174975615995.0566 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-26", "window": { "start": { "local": "2007-03-26T11:50:11+02:00", "utc": "2007-03-26T09:50:11Z", "ms": 1174902611236.1233 }, "end": { "local": "2007-03-26T12:38:11+02:00", "utc": "2007-03-26T10:38:11Z", "ms": 1174905491236.1233 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-03-27", "window": { "start": { "local": "2007-03-27T11:49:53+02:00", "utc": "2007-03-27T09:49:53Z", "ms": 1174988993116.162 }, "end": { "local": "2007-03-27T12:37:53+02:00", "utc": "2007-03-27T10:37:53Z", "ms": 1174991873116.162 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:02 on Mon 26 Mar to 08:07 on Tue 27 Mar.", "fact": "2007-03-26T06:02:11Z → 2007-03-27T06:06:56Z" }, { "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": "Navamī 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: unstated → only-day · margin 13377 s" }, { "step": "ruling", "text": "Rāma Navamī, Soweto, 2007: Monday 26 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": "2007-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-26", "confidence": "determinate" } ], "quote": "In Soweto, Rāma Navamī 2007 falls on Monday 26 March. Navamī runs from 08:02 on Mon 26 Mar to 08:07 on Tue 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-03-29", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9394, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-03-28T08:52:31+02:00", "utc": "2007-03-28T06:52:31Z", "ms": 1175064750714.4087 }, "end": { "local": "2007-03-29T10:13:46+02:00", "utc": "2007-03-29T08:13:46Z", "ms": 1175156026319.7175 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-28T08:52:31+02:00", "utc": "2007-03-28T06:52:31Z", "ms": 1175064750714.4087 }, "end": { "local": "2007-03-29T10:13:46+02:00", "utc": "2007-03-29T08:13:46Z", "ms": 1175156026319.7175 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-03-28", "window": { "start": { "local": "2007-03-28T06:15:56+02:00", "utc": "2007-03-28T04:15:56Z", "ms": 1175055356469.863 }, "end": { "local": "2007-03-28T06:15:56+02:00", "utc": "2007-03-28T04:15:56Z", "ms": 1175055356469.863 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-03-29", "window": { "start": { "local": "2007-03-29T06:16:25+02:00", "utc": "2007-03-29T04:16:25Z", "ms": 1175141784615.0955 }, "end": { "local": "2007-03-29T06:16:25+02:00", "utc": "2007-03-29T04:16:25Z", "ms": 1175141784615.0955 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:53 on Wed 28 Mar to 10:14 on Thu 29 Mar.", "fact": "2007-03-28T06:52:31Z → 2007-03-29T08:13:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 28th and 06:16 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9394 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Soweto, 2007: Thursday 29 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": "2007-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-29", "confidence": "determinate" } ], "quote": "In Soweto, Kāmadā Ekādaśī 2007 falls on Thursday 29 March. Ekādaśī runs from 08:53 on Wed 28 Mar to 10:14 on Thu 29 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 900, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-03-30T12:03:59+02:00", "utc": "2007-03-30T10:03:59Z", "ms": 1175249038652.1143 }, "end": { "local": "2007-03-31T14:15:43+02:00", "utc": "2007-03-31T12:15:43Z", "ms": 1175343342770.4478 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-30T12:03:59+02:00", "utc": "2007-03-30T10:03:59Z", "ms": 1175249038652.1143 }, "end": { "local": "2007-03-31T14:15:43+02:00", "utc": "2007-03-31T12:15:43Z", "ms": 1175343342770.4478 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-30", "window": { "start": { "local": "2007-03-30T11:48:59+02:00", "utc": "2007-03-30T09:48:59Z", "ms": 1175248138799.1863 }, "end": { "local": "2007-03-30T12:36:59+02:00", "utc": "2007-03-30T10:36:59Z", "ms": 1175251018799.1863 } }, "covered_min": 33, "window_min": 48, "qualifies": true }, { "local_date": "2007-03-31", "window": { "start": { "local": "2007-03-31T11:48:41+02:00", "utc": "2007-03-31T09:48:41Z", "ms": 1175334520780.4365 }, "end": { "local": "2007-03-31T12:36:41+02:00", "utc": "2007-03-31T10:36:41Z", "ms": 1175337400780.4365 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:04 on Fri 30 Mar to 14:16 on Sat 31 Mar.", "fact": "2007-03-30T10:03:59Z → 2007-03-31T12:15:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 30th, 11:49–12:37 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 33 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": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 900 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Soweto, 2007: Friday 30 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": "2007-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-30", "confidence": "determinate" } ], "quote": "In Soweto, Anaṅga Trayodaśī 2007 falls on Friday 30 March. Trayodaśī runs from 12:04 on Fri 30 Mar to 14:16 on Sat 31 Mar and covers 33 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/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-03-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13938, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-03-30T12:03:59+02:00", "utc": "2007-03-30T10:03:59Z", "ms": 1175249038652.1143 }, "end": { "local": "2007-03-31T14:15:43+02:00", "utc": "2007-03-31T12:15:43Z", "ms": 1175343342770.4478 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-30T12:03:59+02:00", "utc": "2007-03-30T10:03:59Z", "ms": 1175249038652.1143 }, "end": { "local": "2007-03-31T14:15:43+02:00", "utc": "2007-03-31T12:15:43Z", "ms": 1175343342770.4478 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-03-30", "window": { "start": { "local": "2007-03-30T18:09:05+02:00", "utc": "2007-03-30T16:09:05Z", "ms": 1175270944907.4146 }, "end": { "local": "2007-03-30T19:46:11+02:00", "utc": "2007-03-30T17:46:11Z", "ms": 1175276771014.8633 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2007-03-31", "window": { "start": { "local": "2007-03-31T18:08:01+02:00", "utc": "2007-03-31T16:08:01Z", "ms": 1175357280847.5938 }, "end": { "local": "2007-03-31T19:45:19+02:00", "utc": "2007-03-31T17:45:19Z", "ms": 1175363119227.6584 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:04 on Fri 30 Mar to 14:16 on Sat 31 Mar.", "fact": "2007-03-30T10:03:59Z → 2007-03-31T12:15:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:46 on the 30th, 18:08–19:45 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 30th and 0 of 97 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13938 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Friday 30 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": "2007-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-03-30", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Friday 30 March. Trayodaśī runs from 12:04 on Fri 30 Mar to 14:16 on Sat 31 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-03-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5942, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-03-31T14:15:43+02:00", "utc": "2007-03-31T12:15:43Z", "ms": 1175343342770.4478 }, "end": { "local": "2007-04-01T16:41:39+02:00", "utc": "2007-04-01T14:41:39Z", "ms": 1175438499438.5469 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-03-31T14:15:43+02:00", "utc": "2007-03-31T12:15:43Z", "ms": 1175343342770.4478 }, "end": { "local": "2007-04-01T16:41:39+02:00", "utc": "2007-04-01T14:41:39Z", "ms": 1175438499438.5469 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-03-31", "window": { "start": { "local": "2007-03-31T11:48:41+02:00", "utc": "2007-03-31T09:48:41Z", "ms": 1175334520780.4365 }, "end": { "local": "2007-03-31T12:36:41+02:00", "utc": "2007-03-31T10:36:41Z", "ms": 1175337400780.4365 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-04-01", "window": { "start": { "local": "2007-04-01T11:48:23+02:00", "utc": "2007-04-01T09:48:23Z", "ms": 1175420902841.9575 }, "end": { "local": "2007-04-01T12:36:23+02:00", "utc": "2007-04-01T10:36:23Z", "ms": 1175423782841.9575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:16 on Sat 31 Mar to 16:42 on Sun 1 Apr.", "fact": "2007-03-31T12:15:43Z → 2007-04-01T14:41:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 31st, 11:48–12:36 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5942 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Soweto, 2007: Sunday 1 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-01", "confidence": "determinate" } ], "quote": "In Soweto, Viṣṇudamanaka Caturdaśī 2007 falls on Sunday 1 April. Caturdaśī runs from 14:16 on Sat 31 Mar to 16:42 on Sun 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14717, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-04-01T16:41:39+02:00", "utc": "2007-04-01T14:41:39Z", "ms": 1175438499438.5469 }, "end": { "local": "2007-04-02T19:15:02+02:00", "utc": "2007-04-02T17:15:02Z", "ms": 1175534101787.8945 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2007-04-01T16:41:39+02:00", "utc": "2007-04-01T14:41:39Z", "ms": 1175438499438.5469 }, "end": { "local": "2007-04-02T19:15:02+02:00", "utc": "2007-04-02T17:15:02Z", "ms": 1175534101787.8945 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-04-01", "window": { "start": { "local": "2007-04-01T11:48:23+02:00", "utc": "2007-04-01T09:48:23Z", "ms": 1175420902841.9575 }, "end": { "local": "2007-04-01T12:36:23+02:00", "utc": "2007-04-01T10:36:23Z", "ms": 1175423782841.9575 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-04-02", "window": { "start": { "local": "2007-04-02T11:48:05+02:00", "utc": "2007-04-02T09:48:05Z", "ms": 1175507285005.8484 }, "end": { "local": "2007-04-02T12:36:05+02:00", "utc": "2007-04-02T10:36:05Z", "ms": 1175510165005.8484 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:42 on Sun 1 Apr to 19:15 on Mon 2 Apr.", "fact": "2007-04-01T14:41:39Z → 2007-04-02T17:15:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 1st, 11:48–12:36 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14717 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Soweto, 2007: Monday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-02", "confidence": "determinate" } ], "quote": "In Soweto, Caitrī Pūrṇimā 2007 falls on Monday 2 April. Pūrṇimā runs from 16:42 on Sun 1 Apr to 19:15 on Mon 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-04-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25846, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-04-06T02:39:04+02:00", "utc": "2007-04-06T00:39:04Z", "ms": 1175819944410.1748 }, "end": { "local": "2007-04-07T04:41:43+02:00", "utc": "2007-04-07T02:41:43Z", "ms": 1175913702909.8884 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-06T02:39:04+02:00", "utc": "2007-04-06T00:39:04Z", "ms": 1175819944410.1748 }, "end": { "local": "2007-04-07T04:41:43+02:00", "utc": "2007-04-07T02:41:43Z", "ms": 1175913702909.8884 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-04-05", "window": { "start": { "local": "2007-04-05T19:28:19+02:00", "utc": "2007-04-05T17:28:19Z", "ms": 1175794098824.6357 }, "end": { "local": "2007-04-05T19:28:19+02:00", "utc": "2007-04-05T17:28:19Z", "ms": 1175794098824.6357 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-04-06", "window": { "start": { "local": "2007-04-06T20:07:24+02:00", "utc": "2007-04-06T18:07:24Z", "ms": 1175882843795.737 }, "end": { "local": "2007-04-06T20:07:24+02:00", "utc": "2007-04-06T18:07:24Z", "ms": 1175882843795.737 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:39 on Fri 6 Apr to 04:42 on Sat 7 Apr.", "fact": "2007-04-06T00:39:04Z → 2007-04-07T02:41:43Z" }, { "step": "kaala", "text": "Moonrise is at 19:28 on the 5th and 20:07 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "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 25846 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Friday 6 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": "2007-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-06", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Friday 6 April. Caturthī runs from 02:39 on Fri 6 Apr to 04:42 on Sat 7 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ekadashi?on=2007-04-13", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3264, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-04-13T05:29:03+02:00", "utc": "2007-04-13T03:29:03Z", "ms": 1176434942556.4175 }, "end": { "local": "2007-04-14T03:13:50+02:00", "utc": "2007-04-14T01:13:50Z", "ms": 1176513230338.662 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-13T05:29:03+02:00", "utc": "2007-04-13T03:29:03Z", "ms": 1176434942556.4175 }, "end": { "local": "2007-04-14T03:13:50+02:00", "utc": "2007-04-14T01:13:50Z", "ms": 1176513230338.662 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-04-13", "window": { "start": { "local": "2007-04-13T06:23:27+02:00", "utc": "2007-04-13T04:23:27Z", "ms": 1176438206999.0127 }, "end": { "local": "2007-04-13T06:23:27+02:00", "utc": "2007-04-13T04:23:27Z", "ms": 1176438206999.0127 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-04-14", "window": { "start": { "local": "2007-04-14T06:23:56+02:00", "utc": "2007-04-14T04:23:56Z", "ms": 1176524635771.1628 }, "end": { "local": "2007-04-14T06:23:56+02:00", "utc": "2007-04-14T04:23:56Z", "ms": 1176524635771.1628 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:29 on Fri 13 Apr to 03:14 on Sat 14 Apr.", "fact": "2007-04-13T03:29:03Z → 2007-04-14T01:13:50Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 13th and 06:24 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3264 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Soweto, 2007: Friday 13 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": "2007-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-13", "confidence": "determinate" } ], "quote": "In Soweto, Varūthinī Ekādaśī 2007 falls on Friday 13 April. Ekādaśī runs from 05:29 on Fri 13 Apr to 03:14 on Sat 14 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9275, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2007-04-14T08:58:31+02:00", "utc": "2007-04-14T06:58:31Z", "ms": 1176533910708.0095 }, "end": { "local": "2007-05-15T05:48:49+02:00", "utc": "2007-05-15T03:48:49Z", "ms": 1179200928510.1462 } }, "span": { "of": "transit", "start": { "local": "2007-04-14T08:58:31+02:00", "utc": "2007-04-14T06:58:31Z", "ms": 1176533910708.0095 }, "end": { "local": "2007-04-14T08:58:31+02:00", "utc": "2007-04-14T06:58:31Z", "ms": 1176533910708.0095 } }, "kaala": "day", "days": [ { "local_date": "2007-04-13", "window": { "start": { "local": "2007-04-13T06:23:27+02:00", "utc": "2007-04-13T04:23:27Z", "ms": 1176438206999.0127 }, "end": { "local": "2007-04-14T06:23:56+02:00", "utc": "2007-04-14T04:23:56Z", "ms": 1176524635771.1628 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2007-04-14", "window": { "start": { "local": "2007-04-14T06:23:56+02:00", "utc": "2007-04-14T04:23:56Z", "ms": 1176524635771.1628 }, "end": { "local": "2007-04-15T06:24:25+02:00", "utc": "2007-04-15T04:24:25Z", "ms": 1176611064671.1646 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 08:59 on Sat 14 Apr.", "fact": "2007-04-14T06:58:31Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:23 on the 13th, and from 06:24 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 9275 s" }, { "step": "ruling", "text": "Vaiśākhī, Soweto, 2007: Saturday 14 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2007-04-14", "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": "2007-04-14", "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 Soweto, Vaiśākhī 2007 falls on Saturday 14 April. The Sun enters Meṣa at 08:59 on Sat 14 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-04-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5458, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-04-15T00:23:06+02:00", "utc": "2007-04-14T22:23:06Z", "ms": 1176589385818.9246 }, "end": { "local": "2007-04-15T21:03:55+02:00", "utc": "2007-04-15T19:03:55Z", "ms": 1176663835140.6116 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-15T00:23:06+02:00", "utc": "2007-04-14T22:23:06Z", "ms": 1176589385818.9246 }, "end": { "local": "2007-04-15T21:03:55+02:00", "utc": "2007-04-15T19:03:55Z", "ms": 1176663835140.6116 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-04-14", "window": { "start": { "local": "2007-04-14T17:53:37+02:00", "utc": "2007-04-14T15:53:37Z", "ms": 1176566017462.742 }, "end": { "local": "2007-04-14T19:33:44+02:00", "utc": "2007-04-14T17:33:44Z", "ms": 1176572023757.1982 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2007-04-15", "window": { "start": { "local": "2007-04-15T17:52:39+02:00", "utc": "2007-04-15T15:52:39Z", "ms": 1176652359263.7627 }, "end": { "local": "2007-04-15T19:32:57+02:00", "utc": "2007-04-15T17:32:57Z", "ms": 1176658377188.8123 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:23 on Sun 15 Apr to 21:04 on Sun 15 Apr.", "fact": "2007-04-14T22:23:06Z → 2007-04-15T19:03:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:34 on the 14th, 17:53–19:33 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 14th and 100 of 100 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 5458 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Sunday 15 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": "2007-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-15", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Sunday 15 April. Trayodaśī runs from 00:23 on Sun 15 Apr to 21:04 on Sun 15 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-04-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-04-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9651, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-04-15T21:03:55+02:00", "utc": "2007-04-15T19:03:55Z", "ms": 1176663835140.6116 }, "end": { "local": "2007-04-16T17:24:58+02:00", "utc": "2007-04-16T15:24:58Z", "ms": 1176737097942.0583 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-15T21:03:55+02:00", "utc": "2007-04-15T19:03:55Z", "ms": 1176663835140.6116 }, "end": { "local": "2007-04-16T17:24:58+02:00", "utc": "2007-04-16T15:24:58Z", "ms": 1176737097942.0583 } }, "kaala": "nishita", "days": [ { "local_date": "2007-04-15", "window": { "start": { "local": "2007-04-15T23:44:46+02:00", "utc": "2007-04-15T21:44:46Z", "ms": 1176673486482.6985 }, "end": { "local": "2007-04-16T00:32:46+02:00", "utc": "2007-04-15T22:32:46Z", "ms": 1176676366482.6985 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-04-16", "window": { "start": { "local": "2007-04-16T23:44:32+02:00", "utc": "2007-04-16T21:44:32Z", "ms": 1176759872261.877 }, "end": { "local": "2007-04-17T00:32:32+02:00", "utc": "2007-04-16T22:32:32Z", "ms": 1176762752261.877 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:04 on Sun 15 Apr to 17:25 on Mon 16 Apr.", "fact": "2007-04-15T19:03:55Z → 2007-04-16T15:24:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 15th, 23:45–00:33 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 9651 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Sunday 15 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": "2007-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-15", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Sunday 15 April. Caturdaśī runs from 21:04 on Sun 15 Apr to 17:25 on Mon 16 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-04-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 961, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2007-04-19T06:10:21+02:00", "utc": "2007-04-19T04:10:21Z", "ms": 1176955820721.8818 }, "end": { "local": "2007-04-20T02:55:06+02:00", "utc": "2007-04-20T00:55:06Z", "ms": 1177030506300.4917 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-19T06:10:21+02:00", "utc": "2007-04-19T04:10:21Z", "ms": 1176955820721.8818 }, "end": { "local": "2007-04-20T02:55:06+02:00", "utc": "2007-04-20T00:55:06Z", "ms": 1177030506300.4917 } }, "kaala": "purvahna", "days": [ { "local_date": "2007-04-19", "window": { "start": { "local": "2007-04-19T06:26:22+02:00", "utc": "2007-04-19T04:26:22Z", "ms": 1176956781578.354 }, "end": { "local": "2007-04-19T10:13:52+02:00", "utc": "2007-04-19T08:13:52Z", "ms": 1176970431927.3818 } }, "covered_min": 228, "window_min": 228, "qualifies": true }, { "local_date": "2007-04-20", "window": { "start": { "local": "2007-04-20T06:26:51+02:00", "utc": "2007-04-20T04:26:51Z", "ms": 1177043211127.7554 }, "end": { "local": "2007-04-20T10:13:53+02:00", "utc": "2007-04-20T08:13:53Z", "ms": 1177056833286.8792 } }, "covered_min": 0, "window_min": 227, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:10 on Thu 19 Apr to 02:55 on Fri 20 Apr.", "fact": "2007-04-19T04:10:21Z → 2007-04-20T00:55:06Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:26–10:14 on the 19th, 06:27–10:14 on the 20th.", "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 19th and 0 of 227 on the 20th.", "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 961 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Soweto, 2007: Thursday 19 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": "2007-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-19", "confidence": "determinate" } ], "quote": "In Soweto, Akṣaya Tṛtīyā 2007 falls on Thursday 19 April. Tṛtīyā runs from 06:10 on Thu 19 Apr to 02:55 on Fri 20 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26710, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2007-04-19T06:10:21+02:00", "utc": "2007-04-19T04:10:21Z", "ms": 1176955820721.8818 }, "end": { "local": "2007-04-20T02:55:06+02:00", "utc": "2007-04-20T00:55:06Z", "ms": 1177030506300.4917 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-19T06:10:21+02:00", "utc": "2007-04-19T04:10:21Z", "ms": 1176955820721.8818 }, "end": { "local": "2007-04-20T02:55:06+02:00", "utc": "2007-04-20T00:55:06Z", "ms": 1177030506300.4917 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-04-18", "window": { "start": { "local": "2007-04-18T17:49:48+02:00", "utc": "2007-04-18T15:49:48Z", "ms": 1176911388321.3398 }, "end": { "local": "2007-04-18T19:30:41+02:00", "utc": "2007-04-18T17:30:41Z", "ms": 1176917440755.6084 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2007-04-19", "window": { "start": { "local": "2007-04-19T17:48:53+02:00", "utc": "2007-04-19T15:48:53Z", "ms": 1176997732625.4377 }, "end": { "local": "2007-04-19T19:29:56+02:00", "utc": "2007-04-19T17:29:56Z", "ms": 1177003796425.7468 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:10 on Thu 19 Apr to 02:55 on Fri 20 Apr.", "fact": "2007-04-19T04:10:21Z → 2007-04-20T00:55:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:31 on the 18th, 17:49–19:30 on the 19th.", "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 18th and 101 of 101 on the 19th.", "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 26710 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Soweto, 2007: Thursday 19 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": "2007-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-19", "confidence": "determinate" } ], "quote": "In Soweto, Paraśurāma Jayantī 2007 falls on Thursday 19 April. Tṛtīyā runs from 06:10 on Thu 19 Apr to 02:55 on Fri 20 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-04-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31698, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-04-20T02:55:06+02:00", "utc": "2007-04-20T00:55:06Z", "ms": 1177030506300.4917 }, "end": { "local": "2007-04-21T00:11:51+02:00", "utc": "2007-04-20T22:11:51Z", "ms": 1177107110523.7405 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-20T02:55:06+02:00", "utc": "2007-04-20T00:55:06Z", "ms": 1177030506300.4917 }, "end": { "local": "2007-04-21T00:11:51+02:00", "utc": "2007-04-20T22:11:51Z", "ms": 1177107110523.7405 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-04-20", "window": { "start": { "local": "2007-04-20T11:43:24+02:00", "utc": "2007-04-20T09:43:24Z", "ms": 1177062204366.441 }, "end": { "local": "2007-04-20T12:31:24+02:00", "utc": "2007-04-20T10:31:24Z", "ms": 1177065084366.441 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-04-21", "window": { "start": { "local": "2007-04-21T11:43:12+02:00", "utc": "2007-04-21T09:43:12Z", "ms": 1177148592041.825 }, "end": { "local": "2007-04-21T12:31:12+02:00", "utc": "2007-04-21T10:31:12Z", "ms": 1177151472041.825 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:55 on Fri 20 Apr to 00:12 on Sat 21 Apr.", "fact": "2007-04-20T00:55:06Z → 2007-04-20T22:11:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 20th, 11:43–12:31 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31698 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Friday 20 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": "2007-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-20", "confidence": "determinate" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Friday 20 April. Caturthī runs from 02:55 on Fri 20 Apr to 00:12 on Sat 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34682, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2007-04-21T00:11:51+02:00", "utc": "2007-04-20T22:11:51Z", "ms": 1177107110523.7405 }, "end": { "local": "2007-04-21T22:09:14+02:00", "utc": "2007-04-21T20:09:14Z", "ms": 1177186154309.518 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-21T00:11:51+02:00", "utc": "2007-04-20T22:11:51Z", "ms": 1177107110523.7405 }, "end": { "local": "2007-04-21T22:09:14+02:00", "utc": "2007-04-21T20:09:14Z", "ms": 1177186154309.518 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-04-20", "window": { "start": { "local": "2007-04-20T11:43:24+02:00", "utc": "2007-04-20T09:43:24Z", "ms": 1177062204366.441 }, "end": { "local": "2007-04-20T12:31:24+02:00", "utc": "2007-04-20T10:31:24Z", "ms": 1177065084366.441 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-04-21", "window": { "start": { "local": "2007-04-21T11:43:12+02:00", "utc": "2007-04-21T09:43:12Z", "ms": 1177148592041.825 }, "end": { "local": "2007-04-21T12:31:12+02:00", "utc": "2007-04-21T10:31:12Z", "ms": 1177151472041.825 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:12 on Sat 21 Apr to 22:09 on Sat 21 Apr.", "fact": "2007-04-20T22:11:51Z → 2007-04-21T20:09:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 20th, 11:43–12:31 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34682 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Soweto, 2007: Saturday 21 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": "2007-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-21", "confidence": "determinate" } ], "quote": "In Soweto, Śaṅkara Jayantī 2007 falls on Saturday 21 April. Pañcamī runs from 00:12 on Sat 21 Apr to 22:09 on Sat 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28688, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2007-04-22T20:53:48+02:00", "utc": "2007-04-22T18:53:48Z", "ms": 1177268027750.2883 }, "end": { "local": "2007-04-23T20:28:56+02:00", "utc": "2007-04-23T18:28:56Z", "ms": 1177352936290.4368 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-22T20:53:48+02:00", "utc": "2007-04-22T18:53:48Z", "ms": 1177268027750.2883 }, "end": { "local": "2007-04-23T20:28:56+02:00", "utc": "2007-04-23T18:28:56Z", "ms": 1177352936290.4368 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-04-22", "window": { "start": { "local": "2007-04-22T11:43:00+02:00", "utc": "2007-04-22T09:43:00Z", "ms": 1177234980138.074 }, "end": { "local": "2007-04-22T12:31:00+02:00", "utc": "2007-04-22T10:31:00Z", "ms": 1177237860138.074 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-04-23", "window": { "start": { "local": "2007-04-23T11:42:49+02:00", "utc": "2007-04-23T09:42:49Z", "ms": 1177321368665.8813 }, "end": { "local": "2007-04-23T12:30:49+02:00", "utc": "2007-04-23T10:30:49Z", "ms": 1177324248665.8813 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:54 on Sun 22 Apr to 20:29 on Mon 23 Apr.", "fact": "2007-04-22T18:53:48Z → 2007-04-23T18:28:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 22nd, 11:43–12:31 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28688 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Soweto, 2007: Monday 23 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": "2007-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-23", "confidence": "determinate" } ], "quote": "In Soweto, Gaṅgotpatti (Ganga Saptami) 2007 falls on Monday 23 April. Saptamī runs from 20:54 on Sun 22 Apr to 20:29 on Mon 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-04-27", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15688, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-04-26T23:53:53+02:00", "utc": "2007-04-26T21:53:53Z", "ms": 1177624433415.1633 }, "end": { "local": "2007-04-28T02:09:24+02:00", "utc": "2007-04-28T00:09:24Z", "ms": 1177718963793.3157 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-26T23:53:53+02:00", "utc": "2007-04-26T21:53:53Z", "ms": 1177624433415.1633 }, "end": { "local": "2007-04-28T02:09:24+02:00", "utc": "2007-04-28T00:09:24Z", "ms": 1177718963793.3157 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-04-27", "window": { "start": { "local": "2007-04-27T06:30:21+02:00", "utc": "2007-04-27T04:30:21Z", "ms": 1177648221449.788 }, "end": { "local": "2007-04-27T06:30:21+02:00", "utc": "2007-04-27T04:30:21Z", "ms": 1177648221449.788 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-04-28", "window": { "start": { "local": "2007-04-28T06:30:52+02:00", "utc": "2007-04-28T04:30:52Z", "ms": 1177734651993.8882 }, "end": { "local": "2007-04-28T06:30:52+02:00", "utc": "2007-04-28T04:30:52Z", "ms": 1177734651993.8882 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:54 on Thu 26 Apr to 02:09 on Sat 28 Apr.", "fact": "2007-04-26T21:53:53Z → 2007-04-28T00:09:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 27th and 06:31 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 15688 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Soweto, 2007: Friday 27 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": "2007-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-27", "confidence": "determinate" } ], "quote": "In Soweto, Mohinī Ekādaśī 2007 falls on Friday 27 April. Ekādaśī runs from 23:54 on Thu 26 Apr to 02:09 on Sat 28 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25287, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2007-04-28T02:09:24+02:00", "utc": "2007-04-28T00:09:24Z", "ms": 1177718963793.3157 }, "end": { "local": "2007-04-29T04:40:23+02:00", "utc": "2007-04-29T02:40:23Z", "ms": 1177814422813.3472 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-28T02:09:24+02:00", "utc": "2007-04-28T00:09:24Z", "ms": 1177718963793.3157 }, "end": { "local": "2007-04-29T04:40:23+02:00", "utc": "2007-04-29T02:40:23Z", "ms": 1177814422813.3472 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-04-28", "window": { "start": { "local": "2007-04-28T11:41:58+02:00", "utc": "2007-04-28T09:41:58Z", "ms": 1177753318180.606 }, "end": { "local": "2007-04-28T12:29:58+02:00", "utc": "2007-04-28T10:29:58Z", "ms": 1177756198180.606 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-04-29", "window": { "start": { "local": "2007-04-29T11:41:50+02:00", "utc": "2007-04-29T09:41:50Z", "ms": 1177839709540.5 }, "end": { "local": "2007-04-29T12:29:50+02:00", "utc": "2007-04-29T10:29:50Z", "ms": 1177842589540.5 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:09 on Sat 28 Apr to 04:40 on Sun 29 Apr.", "fact": "2007-04-28T00:09:24Z → 2007-04-29T02:40:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 28th, 11:42–12:30 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25287 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Soweto, 2007: Saturday 28 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": "2007-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-28", "confidence": "determinate" } ], "quote": "In Soweto, Paraśurāma Dvādaśī 2007 falls on Saturday 28 April. Dvādaśī runs from 02:09 on Sat 28 Apr to 04:40 on Sun 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25287, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2007-04-28T02:09:24+02:00", "utc": "2007-04-28T00:09:24Z", "ms": 1177718963793.3157 }, "end": { "local": "2007-04-29T04:40:23+02:00", "utc": "2007-04-29T02:40:23Z", "ms": 1177814422813.3472 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-28T02:09:24+02:00", "utc": "2007-04-28T00:09:24Z", "ms": 1177718963793.3157 }, "end": { "local": "2007-04-29T04:40:23+02:00", "utc": "2007-04-29T02:40:23Z", "ms": 1177814422813.3472 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-04-28", "window": { "start": { "local": "2007-04-28T11:41:58+02:00", "utc": "2007-04-28T09:41:58Z", "ms": 1177753318180.606 }, "end": { "local": "2007-04-28T12:29:58+02:00", "utc": "2007-04-28T10:29:58Z", "ms": 1177756198180.606 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-04-29", "window": { "start": { "local": "2007-04-29T11:41:50+02:00", "utc": "2007-04-29T09:41:50Z", "ms": 1177839709540.5 }, "end": { "local": "2007-04-29T12:29:50+02:00", "utc": "2007-04-29T10:29:50Z", "ms": 1177842589540.5 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:09 on Sat 28 Apr to 04:40 on Sun 29 Apr.", "fact": "2007-04-28T00:09:24Z → 2007-04-29T02:40:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 28th, 11:42–12:30 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25287 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Soweto, 2007: Saturday 28 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": "2007-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-28", "confidence": "determinate" } ], "quote": "In Soweto, Rukmiṇī Dvādaśī 2007 falls on Saturday 28 April. Dvādaśī runs from 02:09 on Sat 28 Apr to 04:40 on Sun 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-04-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33396, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-04-29T04:40:23+02:00", "utc": "2007-04-29T02:40:23Z", "ms": 1177814422813.3472 }, "end": { "local": "2007-04-30T07:16:11+02:00", "utc": "2007-04-30T05:16:11Z", "ms": 1177910170979.4873 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-29T04:40:23+02:00", "utc": "2007-04-29T02:40:23Z", "ms": 1177814422813.3472 }, "end": { "local": "2007-04-30T07:16:11+02:00", "utc": "2007-04-30T05:16:11Z", "ms": 1177910170979.4873 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-04-28", "window": { "start": { "local": "2007-04-28T17:41:04+02:00", "utc": "2007-04-28T15:41:04Z", "ms": 1177774864367.3235 }, "end": { "local": "2007-04-28T19:23:47+02:00", "utc": "2007-04-28T17:23:47Z", "ms": 1177781026806.8513 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2007-04-29", "window": { "start": { "local": "2007-04-29T17:40:16+02:00", "utc": "2007-04-29T15:40:16Z", "ms": 1177861216417.2178 }, "end": { "local": "2007-04-29T19:23:09+02:00", "utc": "2007-04-29T17:23:09Z", "ms": 1177867389356.16 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:40 on Sun 29 Apr to 07:16 on Mon 30 Apr.", "fact": "2007-04-29T02:40:23Z → 2007-04-30T05:16:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:24 on the 28th, 17:40–19:23 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 103 minutes on the 28th and 103 of 103 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 33396 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Sunday 29 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": "2007-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-29", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Sunday 29 April. Trayodaśī runs from 04:40 on Sun 29 Apr to 07:16 on Mon 30 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-04-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28241, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-04-30T07:16:11+02:00", "utc": "2007-04-30T05:16:11Z", "ms": 1177910170979.4873 }, "end": { "local": "2007-05-01T09:48:02+02:00", "utc": "2007-05-01T07:48:02Z", "ms": 1178005681935.3826 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-04-30T07:16:11+02:00", "utc": "2007-04-30T05:16:11Z", "ms": 1177910170979.4873 }, "end": { "local": "2007-05-01T09:48:02+02:00", "utc": "2007-05-01T07:48:02Z", "ms": 1178005681935.3826 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-04-30", "window": { "start": { "local": "2007-04-30T17:39:29+02:00", "utc": "2007-04-30T15:39:29Z", "ms": 1177947569366.1323 }, "end": { "local": "2007-04-30T19:22:33+02:00", "utc": "2007-04-30T17:22:33Z", "ms": 1177953752701.2678 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2007-05-01", "window": { "start": { "local": "2007-05-01T17:38:43+02:00", "utc": "2007-05-01T15:38:43Z", "ms": 1178033923236.3108 }, "end": { "local": "2007-05-01T19:21:57+02:00", "utc": "2007-05-01T17:21:57Z", "ms": 1178040116861.258 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:16 on Mon 30 Apr to 09:48 on Tue 1 May.", "fact": "2007-04-30T05:16:11Z → 2007-05-01T07:48:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:23 on the 30th, 17:39–19:22 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 30th and 0 of 103 on the 1st.", "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 28241 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Soweto, 2007: Monday 30 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": "2007-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-04-30", "confidence": "determinate" } ], "quote": "In Soweto, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2007 falls on Monday 30 April. Caturdaśī runs from 07:16 on Mon 30 Apr to 09:48 on Tue 1 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-05-01", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1202, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-05-01T09:48:02+02:00", "utc": "2007-05-01T07:48:02Z", "ms": 1178005681935.3826 }, "end": { "local": "2007-05-02T12:09:25+02:00", "utc": "2007-05-02T10:09:25Z", "ms": 1178100564946.797 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-05-01T09:48:02+02:00", "utc": "2007-05-01T07:48:02Z", "ms": 1178005681935.3826 }, "end": { "local": "2007-05-02T12:09:25+02:00", "utc": "2007-05-02T10:09:25Z", "ms": 1178100564946.797 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-05-01", "window": { "start": { "local": "2007-05-01T11:41:34+02:00", "utc": "2007-05-01T09:41:34Z", "ms": 1178012493807.98 }, "end": { "local": "2007-05-01T12:29:34+02:00", "utc": "2007-05-01T10:29:34Z", "ms": 1178015373807.98 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-05-02", "window": { "start": { "local": "2007-05-02T11:41:27+02:00", "utc": "2007-05-02T09:41:27Z", "ms": 1178098886736.7368 }, "end": { "local": "2007-05-02T12:29:27+02:00", "utc": "2007-05-02T10:29:27Z", "ms": 1178101766736.7368 } }, "covered_min": 28, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:48 on Tue 1 May to 12:09 on Wed 2 May.", "fact": "2007-05-01T07:48:02Z → 2007-05-02T10:09:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 1st, 11:41–12:29 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 28 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "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 1202 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Soweto, 2007: Tuesday 1 May.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2007-05-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-05-01", "confidence": "boundary" } ], "quote": "In Soweto, Buddha Pūrṇimā 2007 falls on Tuesday 1 May. Pūrṇimā runs from 09:48 on Tue 1 May to 12:09 on Wed 2 May and covers all of madhyāhna that midday. It also reaches the next midday for 28 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1202, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-05-01T09:48:02+02:00", "utc": "2007-05-01T07:48:02Z", "ms": 1178005681935.3826 }, "end": { "local": "2007-05-02T12:09:25+02:00", "utc": "2007-05-02T10:09:25Z", "ms": 1178100564946.797 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2007-05-01T09:48:02+02:00", "utc": "2007-05-01T07:48:02Z", "ms": 1178005681935.3826 }, "end": { "local": "2007-05-02T12:09:25+02:00", "utc": "2007-05-02T10:09:25Z", "ms": 1178100564946.797 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-05-01", "window": { "start": { "local": "2007-05-01T11:41:34+02:00", "utc": "2007-05-01T09:41:34Z", "ms": 1178012493807.98 }, "end": { "local": "2007-05-01T12:29:34+02:00", "utc": "2007-05-01T10:29:34Z", "ms": 1178015373807.98 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-05-02", "window": { "start": { "local": "2007-05-02T11:41:27+02:00", "utc": "2007-05-02T09:41:27Z", "ms": 1178098886736.7368 }, "end": { "local": "2007-05-02T12:29:27+02:00", "utc": "2007-05-02T10:29:27Z", "ms": 1178101766736.7368 } }, "covered_min": 28, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:48 on Tue 1 May to 12:09 on Wed 2 May.", "fact": "2007-05-01T07:48:02Z → 2007-05-02T10:09:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 1st, 11:41–12:29 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 28 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1202 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Soweto, 2007: Wednesday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-05-02", "confidence": "determinate" } ], "quote": "In Soweto, Sampat Gaurī Vrata 2007 falls on Wednesday 2 May. Pūrṇimā runs from 09:48 on Tue 1 May to 12:09 on Wed 2 May and covers 28 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-05-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7161, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-05-05T17:31:21+02:00", "utc": "2007-05-05T15:31:21Z", "ms": 1178379080781.4329 }, "end": { "local": "2007-05-06T18:35:07+02:00", "utc": "2007-05-06T16:35:07Z", "ms": 1178469306674.1619 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-05-05T17:31:21+02:00", "utc": "2007-05-05T15:31:21Z", "ms": 1178379080781.4329 }, "end": { "local": "2007-05-06T18:35:07+02:00", "utc": "2007-05-06T16:35:07Z", "ms": 1178469306674.1619 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-05-05", "window": { "start": { "local": "2007-05-05T19:39:38+02:00", "utc": "2007-05-05T17:39:38Z", "ms": 1178386778420.9126 }, "end": { "local": "2007-05-05T19:39:38+02:00", "utc": "2007-05-05T17:39:38Z", "ms": 1178386778420.9126 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-05-06", "window": { "start": { "local": "2007-05-06T20:34:28+02:00", "utc": "2007-05-06T18:34:28Z", "ms": 1178476468118.1355 }, "end": { "local": "2007-05-06T20:34:28+02:00", "utc": "2007-05-06T18:34:28Z", "ms": 1178476468118.1355 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:31 on Sat 5 May to 18:35 on Sun 6 May.", "fact": "2007-05-05T15:31:21Z → 2007-05-06T16:35:07Z" }, { "step": "kaala", "text": "Moonrise is at 19:40 on the 5th and 20:34 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "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 7161 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Saturday 5 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": "2007-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-05-05", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Saturday 5 May. Caturthī runs from 17:31 on Sat 5 May to 18:35 on Sun 6 May and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ekadashi?on=2007-05-13", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16737, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-05-12T14:01:36+02:00", "utc": "2007-05-12T12:01:36Z", "ms": 1178971295650.4443 }, "end": { "local": "2007-05-13T11:17:41+02:00", "utc": "2007-05-13T09:17:41Z", "ms": 1179047861236.7444 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-05-12T14:01:36+02:00", "utc": "2007-05-12T12:01:36Z", "ms": 1178971295650.4443 }, "end": { "local": "2007-05-13T11:17:41+02:00", "utc": "2007-05-13T09:17:41Z", "ms": 1179047861236.7444 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-05-12", "window": { "start": { "local": "2007-05-12T06:38:12+02:00", "utc": "2007-05-12T04:38:12Z", "ms": 1178944691714.879 }, "end": { "local": "2007-05-12T06:38:12+02:00", "utc": "2007-05-12T04:38:12Z", "ms": 1178944691714.879 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-05-13", "window": { "start": { "local": "2007-05-13T06:38:44+02:00", "utc": "2007-05-13T04:38:44Z", "ms": 1179031123744.0266 }, "end": { "local": "2007-05-13T06:38:44+02:00", "utc": "2007-05-13T04:38:44Z", "ms": 1179031123744.0266 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:02 on Sat 12 May to 11:18 on Sun 13 May.", "fact": "2007-05-12T12:01:36Z → 2007-05-13T09:17:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:38 on the 12th and 06:39 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 16737 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Soweto, 2007: Sunday 13 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": "2007-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-05-13", "confidence": "determinate" } ], "quote": "In Soweto, Aparā Ekādaśī 2007 falls on Sunday 13 May. Ekādaśī runs from 14:02 on Sat 12 May to 11:18 on Sun 13 May and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-05-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33733, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-05-14T08:08:04+02:00", "utc": "2007-05-14T06:08:04Z", "ms": 1179122883617.216 }, "end": { "local": "2007-05-15T04:40:15+02:00", "utc": "2007-05-15T02:40:15Z", "ms": 1179196814714.8228 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-05-14T08:08:04+02:00", "utc": "2007-05-14T06:08:04Z", "ms": 1179122883617.216 }, "end": { "local": "2007-05-15T04:40:15+02:00", "utc": "2007-05-15T02:40:15Z", "ms": 1179196814714.8228 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-05-14", "window": { "start": { "local": "2007-05-14T17:30:17+02:00", "utc": "2007-05-14T15:30:17Z", "ms": 1179156616988.489 }, "end": { "local": "2007-05-14T19:15:33+02:00", "utc": "2007-05-14T17:15:33Z", "ms": 1179162933101.4292 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2007-05-15", "window": { "start": { "local": "2007-05-15T17:29:46+02:00", "utc": "2007-05-15T15:29:46Z", "ms": 1179242985874.9973 }, "end": { "local": "2007-05-15T19:15:10+02:00", "utc": "2007-05-15T17:15:10Z", "ms": 1179249310405.7166 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:08 on Mon 14 May to 04:40 on Tue 15 May.", "fact": "2007-05-14T06:08:04Z → 2007-05-15T02:40:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:30–19:16 on the 14th, 17:30–19:15 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 105 of 105 minutes on the 14th and 0 of 105 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 33733 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Monday 14 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": "2007-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-05-14", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Monday 14 May. Trayodaśī runs from 08:08 on Mon 14 May to 04:40 on Tue 15 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-05-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-05-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2053, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-05-15T04:40:15+02:00", "utc": "2007-05-15T02:40:15Z", "ms": 1179196814714.8228 }, "end": { "local": "2007-05-16T01:03:16+02:00", "utc": "2007-05-15T23:03:16Z", "ms": 1179270196152.6724 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-05-15T04:40:15+02:00", "utc": "2007-05-15T02:40:15Z", "ms": 1179196814714.8228 }, "end": { "local": "2007-05-16T01:03:16+02:00", "utc": "2007-05-15T23:03:16Z", "ms": 1179270196152.6724 } }, "kaala": "nishita", "days": [ { "local_date": "2007-05-14", "window": { "start": { "local": "2007-05-14T23:41:02+02:00", "utc": "2007-05-14T21:41:02Z", "ms": 1179178862412.0146 }, "end": { "local": "2007-05-15T00:29:02+02:00", "utc": "2007-05-14T22:29:02Z", "ms": 1179181742412.0146 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-05-15", "window": { "start": { "local": "2007-05-15T23:41:03+02:00", "utc": "2007-05-15T21:41:03Z", "ms": 1179265262865.1943 }, "end": { "local": "2007-05-16T00:29:03+02:00", "utc": "2007-05-15T22:29:03Z", "ms": 1179268142865.1943 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:40 on Tue 15 May to 01:03 on Wed 16 May.", "fact": "2007-05-15T02:40:15Z → 2007-05-15T23:03:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 14th, 23:41–00:29 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2053 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Tuesday 15 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": "2007-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-05-15", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Tuesday 15 May. Caturdaśī runs from 04:40 on Tue 15 May to 01:03 on Wed 16 May and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-05-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-05-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-05-20", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 178, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-05-19T12:31:52+02:00", "utc": "2007-05-19T10:31:52Z", "ms": 1179570712253.9646 }, "end": { "local": "2007-05-20T10:44:37+02:00", "utc": "2007-05-20T08:44:37Z", "ms": 1179650677067.2104 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-05-19T12:31:52+02:00", "utc": "2007-05-19T10:31:52Z", "ms": 1179570712253.9646 }, "end": { "local": "2007-05-20T10:44:37+02:00", "utc": "2007-05-20T08:44:37Z", "ms": 1179650677067.2104 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-05-19", "window": { "start": { "local": "2007-05-19T11:40:54+02:00", "utc": "2007-05-19T09:40:54Z", "ms": 1179567654415.913 }, "end": { "local": "2007-05-19T12:28:54+02:00", "utc": "2007-05-19T10:28:54Z", "ms": 1179570534415.913 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-05-20", "window": { "start": { "local": "2007-05-20T11:40:58+02:00", "utc": "2007-05-20T09:40:58Z", "ms": 1179654057680.115 }, "end": { "local": "2007-05-20T12:28:58+02:00", "utc": "2007-05-20T10:28:58Z", "ms": 1179656937680.115 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:32 on Sat 19 May to 10:45 on Sun 20 May.", "fact": "2007-05-19T10:31:52Z → 2007-05-20T08:44:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 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": "Caturthī must be present during madhyāhna. It covers 0 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": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 178 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Sunday 20 May.", "fact": "confidence: boundary (margin)" } ], "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": "2007-05-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-05-19", "confidence": "determinate" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Sunday 20 May. Caturthī runs from 12:32 on Sat 19 May to 10:45 on Sun 20 May, and reaches madhyāhna on neither day. It is 2 min 58 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ekadashi?on=2007-05-27", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34561, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-05-26T16:21:34+02:00", "utc": "2007-05-26T14:21:34Z", "ms": 1180189293887.5933 }, "end": { "local": "2007-05-27T18:55:02+02:00", "utc": "2007-05-27T16:55:02Z", "ms": 1180284902257.2812 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-05-26T16:21:34+02:00", "utc": "2007-05-26T14:21:34Z", "ms": 1180189293887.5933 }, "end": { "local": "2007-05-27T18:55:02+02:00", "utc": "2007-05-27T16:55:02Z", "ms": 1180284902257.2812 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-05-26", "window": { "start": { "local": "2007-05-26T06:45:33+02:00", "utc": "2007-05-26T04:45:33Z", "ms": 1180154733143.6953 }, "end": { "local": "2007-05-26T06:45:33+02:00", "utc": "2007-05-26T04:45:33Z", "ms": 1180154733143.6953 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-05-27", "window": { "start": { "local": "2007-05-27T06:46:03+02:00", "utc": "2007-05-27T04:46:03Z", "ms": 1180241163237.0388 }, "end": { "local": "2007-05-27T06:46:03+02:00", "utc": "2007-05-27T04:46:03Z", "ms": 1180241163237.0388 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:22 on Sat 26 May to 18:55 on Sun 27 May.", "fact": "2007-05-26T14:21:34Z → 2007-05-27T16:55:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 26th and 06:46 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34561 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Soweto, 2007: Sunday 27 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": "2007-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-05-27", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Ekādaśī 2007 falls on Sunday 27 May. Ekādaśī runs from 16:22 on Sat 26 May to 18:55 on Sun 27 May and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-05-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7926, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-05-28T21:23:55+02:00", "utc": "2007-05-28T19:23:55Z", "ms": 1180380234817.747 }, "end": { "local": "2007-05-29T23:38:35+02:00", "utc": "2007-05-29T21:38:35Z", "ms": 1180474715263.8977 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-05-28T21:23:55+02:00", "utc": "2007-05-28T19:23:55Z", "ms": 1180380234817.747 }, "end": { "local": "2007-05-29T23:38:35+02:00", "utc": "2007-05-29T21:38:35Z", "ms": 1180474715263.8977 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-05-28", "window": { "start": { "local": "2007-05-28T17:24:51+02:00", "utc": "2007-05-28T15:24:51Z", "ms": 1180365891046.449 }, "end": { "local": "2007-05-28T19:11:49+02:00", "utc": "2007-05-28T17:11:49Z", "ms": 1180372308565.7817 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "2007-05-29", "window": { "start": { "local": "2007-05-29T17:24:37+02:00", "utc": "2007-05-29T15:24:37Z", "ms": 1180452276966.7734 }, "end": { "local": "2007-05-29T19:11:40+02:00", "utc": "2007-05-29T17:11:40Z", "ms": 1180458700238.5952 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:24 on Mon 28 May to 23:39 on Tue 29 May.", "fact": "2007-05-28T19:23:55Z → 2007-05-29T21:38:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:12 on the 28th, 17:25–19:12 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 107 minutes on the 28th and 107 of 107 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 7926 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Tuesday 29 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": "2007-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-05-29", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Tuesday 29 May. Trayodaśī runs from 21:24 on Mon 28 May to 23:39 on Tue 29 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-05-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-06-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31091, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-06-04T05:11:35+02:00", "utc": "2007-06-04T03:11:35Z", "ms": 1180926695495.3718 }, "end": { "local": "2007-06-05T05:07:33+02:00", "utc": "2007-06-05T03:07:33Z", "ms": 1181012853097.495 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-04T05:11:35+02:00", "utc": "2007-06-04T03:11:35Z", "ms": 1180926695495.3718 }, "end": { "local": "2007-06-05T05:07:33+02:00", "utc": "2007-06-05T03:07:33Z", "ms": 1181012853097.495 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-06-03", "window": { "start": { "local": "2007-06-03T19:28:06+02:00", "utc": "2007-06-03T17:28:06Z", "ms": 1180891686299.462 }, "end": { "local": "2007-06-03T19:28:06+02:00", "utc": "2007-06-03T17:28:06Z", "ms": 1180891686299.462 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-06-04", "window": { "start": { "local": "2007-06-04T20:29:22+02:00", "utc": "2007-06-04T18:29:22Z", "ms": 1180981761701.4363 }, "end": { "local": "2007-06-04T20:29:22+02:00", "utc": "2007-06-04T18:29:22Z", "ms": 1180981761701.4363 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:12 on Mon 4 Jun to 05:08 on Tue 5 Jun.", "fact": "2007-06-04T03:11:35Z → 2007-06-05T03:07:33Z" }, { "step": "kaala", "text": "Moonrise is at 19:28 on the 3rd and 20:29 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 3rd and is 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 31091 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Monday 4 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": "2007-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-04", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Monday 4 June. Caturthī runs from 05:12 on Mon 4 Jun to 05:08 on Tue 5 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ekadashi?on=2007-06-11", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37574, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-06-10T20:08:42+02:00", "utc": "2007-06-10T18:08:42Z", "ms": 1181498922242.2195 }, "end": { "local": "2007-06-11T17:18:57+02:00", "utc": "2007-06-11T15:18:57Z", "ms": 1181575136634.4468 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-10T20:08:42+02:00", "utc": "2007-06-10T18:08:42Z", "ms": 1181498922242.2195 }, "end": { "local": "2007-06-11T17:18:57+02:00", "utc": "2007-06-11T15:18:57Z", "ms": 1181575136634.4468 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-06-10", "window": { "start": { "local": "2007-06-10T06:52:20+02:00", "utc": "2007-06-10T04:52:20Z", "ms": 1181451140009.4688 }, "end": { "local": "2007-06-10T06:52:20+02:00", "utc": "2007-06-10T04:52:20Z", "ms": 1181451140009.4688 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-06-11", "window": { "start": { "local": "2007-06-11T06:52:43+02:00", "utc": "2007-06-11T04:52:43Z", "ms": 1181537562719.274 }, "end": { "local": "2007-06-11T06:52:43+02:00", "utc": "2007-06-11T04:52:43Z", "ms": 1181537562719.274 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:09 on Sun 10 Jun to 17:19 on Mon 11 Jun.", "fact": "2007-06-10T18:08:42Z → 2007-06-11T15:18:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 10th and 06:53 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 37574 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Soweto, 2007: Monday 11 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": "2007-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-11", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Ekādaśī 2007 falls on Monday 11 June. Ekādaśī runs from 20:09 on Sun 10 Jun to 17:19 on Mon 11 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-06-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11226, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-06-12T14:16:24+02:00", "utc": "2007-06-12T12:16:24Z", "ms": 1181650584054.0608 }, "end": { "local": "2007-06-13T11:08:37+02:00", "utc": "2007-06-13T09:08:37Z", "ms": 1181725716575.787 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-12T14:16:24+02:00", "utc": "2007-06-12T12:16:24Z", "ms": 1181650584054.0608 }, "end": { "local": "2007-06-13T11:08:37+02:00", "utc": "2007-06-13T09:08:37Z", "ms": 1181725716575.787 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-06-12", "window": { "start": { "local": "2007-06-12T17:23:30+02:00", "utc": "2007-06-12T15:23:30Z", "ms": 1181661809609.7183 }, "end": { "local": "2007-06-12T19:11:29+02:00", "utc": "2007-06-12T17:11:29Z", "ms": 1181668289124.7866 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2007-06-13", "window": { "start": { "local": "2007-06-13T17:23:34+02:00", "utc": "2007-06-13T15:23:34Z", "ms": 1181748213810.682 }, "end": { "local": "2007-06-13T19:11:35+02:00", "utc": "2007-06-13T17:11:35Z", "ms": 1181754695496.0774 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:16 on Tue 12 Jun to 11:09 on Wed 13 Jun.", "fact": "2007-06-12T12:16:24Z → 2007-06-13T09:08:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–19:11 on the 12th, 17:24–19:12 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 12th and 0 of 108 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 11226 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Tuesday 12 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": "2007-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-12", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Tuesday 12 June. Trayodaśī runs from 14:16 on Tue 12 Jun to 11:09 on Wed 13 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-06-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-06-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27100, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-06-13T11:08:37+02:00", "utc": "2007-06-13T09:08:37Z", "ms": 1181725716575.787 }, "end": { "local": "2007-06-14T08:04:20+02:00", "utc": "2007-06-14T06:04:20Z", "ms": 1181801060424.4893 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-13T11:08:37+02:00", "utc": "2007-06-13T09:08:37Z", "ms": 1181725716575.787 }, "end": { "local": "2007-06-14T08:04:20+02:00", "utc": "2007-06-14T06:04:20Z", "ms": 1181801060424.4893 } }, "kaala": "nishita", "days": [ { "local_date": "2007-06-12", "window": { "start": { "local": "2007-06-12T23:44:28+02:00", "utc": "2007-06-12T21:44:28Z", "ms": 1181684667791.2249 }, "end": { "local": "2007-06-13T00:32:28+02:00", "utc": "2007-06-12T22:32:28Z", "ms": 1181687547791.2249 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-06-13", "window": { "start": { "local": "2007-06-13T23:44:40+02:00", "utc": "2007-06-13T21:44:40Z", "ms": 1181771080130.9153 }, "end": { "local": "2007-06-14T00:32:40+02:00", "utc": "2007-06-13T22:32:40Z", "ms": 1181773960130.9153 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:09 on Wed 13 Jun to 08:04 on Thu 14 Jun.", "fact": "2007-06-13T09:08:37Z → 2007-06-14T06:04:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 12th, 23:45–00:33 on the 13th.", "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 12th and 48 of 48 on the 13th.", "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 27100 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Wednesday 13 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": "2007-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-13", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Wednesday 13 June. Caturdaśī runs from 11:09 on Wed 13 Jun to 08:04 on Thu 14 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-06-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39398, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2007-06-17T00:48:45+02:00", "utc": "2007-06-16T22:48:45Z", "ms": 1182034124565.7595 }, "end": { "local": "2007-06-17T23:32:58+02:00", "utc": "2007-06-17T21:32:58Z", "ms": 1182115977955.9473 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-17T00:48:45+02:00", "utc": "2007-06-16T22:48:45Z", "ms": 1182034124565.7595 }, "end": { "local": "2007-06-17T23:32:58+02:00", "utc": "2007-06-17T21:32:58Z", "ms": 1182115977955.9473 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-06-17", "window": { "start": { "local": "2007-06-17T11:45:22+02:00", "utc": "2007-06-17T09:45:22Z", "ms": 1182073522253.3447 }, "end": { "local": "2007-06-17T12:33:22+02:00", "utc": "2007-06-17T10:33:22Z", "ms": 1182076402253.3447 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-06-18", "window": { "start": { "local": "2007-06-18T11:45:36+02:00", "utc": "2007-06-18T09:45:36Z", "ms": 1182159935562.8513 }, "end": { "local": "2007-06-18T12:33:36+02:00", "utc": "2007-06-18T10:33:36Z", "ms": 1182162815562.8513 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:49 on Sun 17 Jun to 23:33 on Sun 17 Jun.", "fact": "2007-06-16T22:48:45Z → 2007-06-17T21:32:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 17th, 11:46–12:34 on the 18th.", "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 17th and 0 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: purvaviddha → only-day · margin 39398 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Soweto, 2007: Sunday 17 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": "2007-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-17", "confidence": "determinate" } ], "quote": "In Soweto, Rambhā Tṛtīyā 2007 falls on Sunday 17 June. Tṛtīyā runs from 00:49 on Sun 17 Jun to 23:33 on Sun 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-06-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37781, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-06-17T23:32:58+02:00", "utc": "2007-06-17T21:32:58Z", "ms": 1182115977955.9473 }, "end": { "local": "2007-06-18T23:03:16+02:00", "utc": "2007-06-18T21:03:16Z", "ms": 1182200596080.1248 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-17T23:32:58+02:00", "utc": "2007-06-17T21:32:58Z", "ms": 1182115977955.9473 }, "end": { "local": "2007-06-18T23:03:16+02:00", "utc": "2007-06-18T21:03:16Z", "ms": 1182200596080.1248 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-06-17", "window": { "start": { "local": "2007-06-17T11:45:22+02:00", "utc": "2007-06-17T09:45:22Z", "ms": 1182073522253.3447 }, "end": { "local": "2007-06-17T12:33:22+02:00", "utc": "2007-06-17T10:33:22Z", "ms": 1182076402253.3447 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-06-18", "window": { "start": { "local": "2007-06-18T11:45:36+02:00", "utc": "2007-06-18T09:45:36Z", "ms": 1182159935562.8513 }, "end": { "local": "2007-06-18T12:33:36+02:00", "utc": "2007-06-18T10:33:36Z", "ms": 1182162815562.8513 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:33 on Sun 17 Jun to 23:03 on Mon 18 Jun.", "fact": "2007-06-17T21:32:58Z → 2007-06-18T21:03:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 17th, 11:46–12:34 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37781 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Monday 18 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": "2007-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-18", "confidence": "determinate" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Monday 18 June. Caturthī runs from 23:33 on Sun 17 Jun to 23:03 on Mon 18 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38890, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2007-06-19T23:21:59+02:00", "utc": "2007-06-19T21:21:59Z", "ms": 1182288119375.474 }, "end": { "local": "2007-06-21T00:27:04+02:00", "utc": "2007-06-20T22:27:04Z", "ms": 1182378424227.4417 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-19T23:21:59+02:00", "utc": "2007-06-19T21:21:59Z", "ms": 1182288119375.474 }, "end": { "local": "2007-06-21T00:27:04+02:00", "utc": "2007-06-20T22:27:04Z", "ms": 1182378424227.4417 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-06-19", "window": { "start": { "local": "2007-06-19T11:45:49+02:00", "utc": "2007-06-19T09:45:49Z", "ms": 1182246348904.4312 }, "end": { "local": "2007-06-19T12:33:49+02:00", "utc": "2007-06-19T10:33:49Z", "ms": 1182249228904.4312 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-06-20", "window": { "start": { "local": "2007-06-20T11:46:02+02:00", "utc": "2007-06-20T09:46:02Z", "ms": 1182332762251.878 }, "end": { "local": "2007-06-20T12:34:02+02:00", "utc": "2007-06-20T10:34:02Z", "ms": 1182335642251.878 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:22 on Tue 19 Jun to 00:27 on Thu 21 Jun.", "fact": "2007-06-19T21:21:59Z → 2007-06-20T22:27:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 19th, 11:46–12:34 on the 20th.", "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 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 38890 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Soweto, 2007: Wednesday 20 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": "2007-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-20", "confidence": "determinate" } ], "quote": "In Soweto, Araṇya Gaurī Vrata 2007 falls on Wednesday 20 June. Ṣaṣṭhī runs from 23:22 on Tue 19 Jun to 00:27 on Thu 21 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38890, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2007-06-19T23:21:59+02:00", "utc": "2007-06-19T21:21:59Z", "ms": 1182288119375.474 }, "end": { "local": "2007-06-21T00:27:04+02:00", "utc": "2007-06-20T22:27:04Z", "ms": 1182378424227.4417 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-19T23:21:59+02:00", "utc": "2007-06-19T21:21:59Z", "ms": 1182288119375.474 }, "end": { "local": "2007-06-21T00:27:04+02:00", "utc": "2007-06-20T22:27:04Z", "ms": 1182378424227.4417 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-06-19", "window": { "start": { "local": "2007-06-19T11:45:49+02:00", "utc": "2007-06-19T09:45:49Z", "ms": 1182246348904.4312 }, "end": { "local": "2007-06-19T12:33:49+02:00", "utc": "2007-06-19T10:33:49Z", "ms": 1182249228904.4312 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-06-20", "window": { "start": { "local": "2007-06-20T11:46:02+02:00", "utc": "2007-06-20T09:46:02Z", "ms": 1182332762251.878 }, "end": { "local": "2007-06-20T12:34:02+02:00", "utc": "2007-06-20T10:34:02Z", "ms": 1182335642251.878 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:22 on Tue 19 Jun to 00:27 on Thu 21 Jun.", "fact": "2007-06-19T21:21:59Z → 2007-06-20T22:27:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 19th, 11:46–12:34 on the 20th.", "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 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: purvaviddha → only-day · margin 38890 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Soweto, 2007: Wednesday 20 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": "2007-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-20", "confidence": "determinate" } ], "quote": "In Soweto, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2007 falls on Wednesday 20 June. Ṣaṣṭhī runs from 23:22 on Tue 19 Jun to 00:27 on Thu 21 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-06-26", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8442, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-06-25T09:17:13+02:00", "utc": "2007-06-25T07:17:13Z", "ms": 1182755833088.4448 }, "end": { "local": "2007-06-26T11:29:44+02:00", "utc": "2007-06-26T09:29:44Z", "ms": 1182850184097.0825 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-25T09:17:13+02:00", "utc": "2007-06-25T07:17:13Z", "ms": 1182755833088.4448 }, "end": { "local": "2007-06-26T11:29:44+02:00", "utc": "2007-06-26T09:29:44Z", "ms": 1182850184097.0825 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-06-25", "window": { "start": { "local": "2007-06-25T06:56:31+02:00", "utc": "2007-06-25T04:56:31Z", "ms": 1182747391491.7705 }, "end": { "local": "2007-06-25T06:56:31+02:00", "utc": "2007-06-25T04:56:31Z", "ms": 1182747391491.7705 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-06-26", "window": { "start": { "local": "2007-06-26T06:56:40+02:00", "utc": "2007-06-26T04:56:40Z", "ms": 1182833800334.683 }, "end": { "local": "2007-06-26T06:56:40+02:00", "utc": "2007-06-26T04:56:40Z", "ms": 1182833800334.683 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:17 on Mon 25 Jun to 11:30 on Tue 26 Jun.", "fact": "2007-06-25T07:17:13Z → 2007-06-26T09:29:44Z" }, { "step": "kaala", "text": "Sunrise is at 06:57 on the 25th and 06:57 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 8442 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Soweto, 2007: Tuesday 26 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": "2007-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-26", "confidence": "determinate" } ], "quote": "In Soweto, Nirjalā Ekādaśī 2007 falls on Tuesday 26 June. Ekādaśī runs from 09:17 on Mon 25 Jun to 11:30 on Tue 26 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1057, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2007-06-26T11:29:44+02:00", "utc": "2007-06-26T09:29:44Z", "ms": 1182850184097.0825 }, "end": { "local": "2007-06-27T13:19:02+02:00", "utc": "2007-06-27T11:19:02Z", "ms": 1182943141809.2996 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-26T11:29:44+02:00", "utc": "2007-06-26T09:29:44Z", "ms": 1182850184097.0825 }, "end": { "local": "2007-06-27T13:19:02+02:00", "utc": "2007-06-27T11:19:02Z", "ms": 1182943141809.2996 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-06-26", "window": { "start": { "local": "2007-06-26T11:47:21+02:00", "utc": "2007-06-26T09:47:21Z", "ms": 1182851241094.8691 }, "end": { "local": "2007-06-26T12:35:21+02:00", "utc": "2007-06-26T10:35:21Z", "ms": 1182854121094.8691 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-06-27", "window": { "start": { "local": "2007-06-27T11:47:34+02:00", "utc": "2007-06-27T09:47:34Z", "ms": 1182937653815.3477 }, "end": { "local": "2007-06-27T12:35:34+02:00", "utc": "2007-06-27T10:35:34Z", "ms": 1182940533815.3477 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:30 on Tue 26 Jun to 13:19 on Wed 27 Jun.", "fact": "2007-06-26T09:29:44Z → 2007-06-27T11:19:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 26th, 11:48–12:36 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 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1057 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Soweto, 2007: Tuesday 26 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": "2007-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-26", "confidence": "boundary" } ], "quote": "In Soweto, Śrī Rāma Dvādaśī 2007 falls on Tuesday 26 June. Dvādaśī runs from 11:30 on Tue 26 Jun to 13:19 on Wed 27 Jun and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-06-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10030, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-06-27T13:19:02+02:00", "utc": "2007-06-27T11:19:02Z", "ms": 1182943141809.2996 }, "end": { "local": "2007-06-28T14:39:28+02:00", "utc": "2007-06-28T12:39:28Z", "ms": 1183034368335.6753 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-27T13:19:02+02:00", "utc": "2007-06-27T11:19:02Z", "ms": 1182943141809.2996 }, "end": { "local": "2007-06-28T14:39:28+02:00", "utc": "2007-06-28T12:39:28Z", "ms": 1183034368335.6753 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-06-27", "window": { "start": { "local": "2007-06-27T17:26:20+02:00", "utc": "2007-06-27T15:26:20Z", "ms": 1182957979570.9194 }, "end": { "local": "2007-06-27T19:14:24+02:00", "utc": "2007-06-27T17:14:24Z", "ms": 1182964464248.2534 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2007-06-28", "window": { "start": { "local": "2007-06-28T17:26:38+02:00", "utc": "2007-06-28T15:26:38Z", "ms": 1183044398066.8901 }, "end": { "local": "2007-06-28T19:14:41+02:00", "utc": "2007-06-28T17:14:41Z", "ms": 1183050881003.7463 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:19 on Wed 27 Jun to 14:39 on Thu 28 Jun.", "fact": "2007-06-27T11:19:02Z → 2007-06-28T12:39:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:14 on the 27th, 17:27–19:15 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 108 of 108 minutes on the 27th and 0 of 108 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 10030 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Wednesday 27 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": "2007-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-27", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Wednesday 27 June. Trayodaśī runs from 13:19 on Wed 27 Jun to 14:39 on Thu 28 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-06-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5914, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-06-29T15:29:06+02:00", "utc": "2007-06-29T13:29:06Z", "ms": 1183123745770.6072 }, "end": { "local": "2007-06-30T15:48:43+02:00", "utc": "2007-06-30T13:48:43Z", "ms": 1183211323250.0068 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2007-06-29T15:29:06+02:00", "utc": "2007-06-29T13:29:06Z", "ms": 1183123745770.6072 }, "end": { "local": "2007-06-30T15:48:43+02:00", "utc": "2007-06-30T13:48:43Z", "ms": 1183211323250.0068 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-06-29", "window": { "start": { "local": "2007-06-29T17:26:57+02:00", "utc": "2007-06-29T15:26:57Z", "ms": 1183130817318.2815 }, "end": { "local": "2007-06-29T19:14:58+02:00", "utc": "2007-06-29T17:14:58Z", "ms": 1183137298258.9587 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2007-06-30", "window": { "start": { "local": "2007-06-30T17:27:17+02:00", "utc": "2007-06-30T15:27:17Z", "ms": 1183217237300.6416 }, "end": { "local": "2007-06-30T19:15:16+02:00", "utc": "2007-06-30T17:15:16Z", "ms": 1183223715991.0315 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:29 on Fri 29 Jun to 15:49 on Sat 30 Jun.", "fact": "2007-06-29T13:29:06Z → 2007-06-30T13:48:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:27–19:15 on the 29th, 17:27–19:15 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 108 of 108 minutes on the 29th and 0 of 108 on the 30th.", "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 5914 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Soweto, 2007: Friday 29 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": "2007-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-06-29", "confidence": "determinate" } ], "quote": "In Soweto, Vaṭa Sāvitrī Vrata 2007 falls on Friday 29 June. Pūrṇimā runs from 15:29 on Fri 29 Jun to 15:49 on Sat 30 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-07-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22266, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-07-03T14:15:41+02:00", "utc": "2007-07-03T12:15:41Z", "ms": 1183464941297.7173 }, "end": { "local": "2007-07-04T13:04:12+02:00", "utc": "2007-07-04T11:04:12Z", "ms": 1183547052385.944 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-03T14:15:41+02:00", "utc": "2007-07-03T12:15:41Z", "ms": 1183464941297.7173 }, "end": { "local": "2007-07-04T13:04:12+02:00", "utc": "2007-07-04T11:04:12Z", "ms": 1183547052385.944 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-07-03", "window": { "start": { "local": "2007-07-03T20:26:47+02:00", "utc": "2007-07-03T18:26:47Z", "ms": 1183487207403.8843 }, "end": { "local": "2007-07-03T20:26:47+02:00", "utc": "2007-07-03T18:26:47Z", "ms": 1183487207403.8843 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-07-04", "window": { "start": { "local": "2007-07-04T21:28:25+02:00", "utc": "2007-07-04T19:28:25Z", "ms": 1183577304827.8223 }, "end": { "local": "2007-07-04T21:28:25+02:00", "utc": "2007-07-04T19:28:25Z", "ms": 1183577304827.8223 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:16 on Tue 3 Jul to 13:04 on Wed 4 Jul.", "fact": "2007-07-03T12:15:41Z → 2007-07-04T11:04:12Z" }, { "step": "kaala", "text": "Moonrise is at 20:27 on the 3rd and 21:28 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 22266 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Tuesday 3 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": "2007-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-03", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Tuesday 3 July. Caturthī runs from 14:16 on Tue 3 Jul to 13:04 on Wed 4 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ekadashi?on=2007-07-10", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21342, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-07-10T01:00:59+02:00", "utc": "2007-07-09T23:00:59Z", "ms": 1184022059394.3774 }, "end": { "local": "2007-07-10T22:30:56+02:00", "utc": "2007-07-10T20:30:56Z", "ms": 1184099456309.5054 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-10T01:00:59+02:00", "utc": "2007-07-09T23:00:59Z", "ms": 1184022059394.3774 }, "end": { "local": "2007-07-10T22:30:56+02:00", "utc": "2007-07-10T20:30:56Z", "ms": 1184099456309.5054 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-07-10", "window": { "start": { "local": "2007-07-10T06:56:41+02:00", "utc": "2007-07-10T04:56:41Z", "ms": 1184043400898.973 }, "end": { "local": "2007-07-10T06:56:41+02:00", "utc": "2007-07-10T04:56:41Z", "ms": 1184043400898.973 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-07-11", "window": { "start": { "local": "2007-07-11T06:56:32+02:00", "utc": "2007-07-11T04:56:32Z", "ms": 1184129791730.6064 }, "end": { "local": "2007-07-11T06:56:32+02:00", "utc": "2007-07-11T04:56:32Z", "ms": 1184129791730.6064 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:01 on Tue 10 Jul to 22:31 on Tue 10 Jul.", "fact": "2007-07-09T23:00:59Z → 2007-07-10T20:30:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:57 on the 10th and 06:57 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not 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 21342 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Soweto, 2007: Tuesday 10 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": "2007-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-10", "confidence": "determinate" } ], "quote": "In Soweto, Yoginī Ekādaśī 2007 falls on Tuesday 10 July. Ekādaśī runs from 01:01 on Tue 10 Jul to 22:31 on Tue 10 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-07-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 757, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-07-11T20:03:19+02:00", "utc": "2007-07-11T18:03:19Z", "ms": 1184176999189.1545 }, "end": { "local": "2007-07-12T17:44:42+02:00", "utc": "2007-07-12T15:44:42Z", "ms": 1184255081655.146 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-11T20:03:19+02:00", "utc": "2007-07-11T18:03:19Z", "ms": 1184176999189.1545 }, "end": { "local": "2007-07-12T17:44:42+02:00", "utc": "2007-07-12T15:44:42Z", "ms": 1184255081655.146 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-07-11", "window": { "start": { "local": "2007-07-11T17:31:38+02:00", "utc": "2007-07-11T15:31:38Z", "ms": 1184167898335.4707 }, "end": { "local": "2007-07-11T19:18:56+02:00", "utc": "2007-07-11T17:18:56Z", "ms": 1184174336062.8264 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "2007-07-12", "window": { "start": { "local": "2007-07-12T17:32:05+02:00", "utc": "2007-07-12T15:32:05Z", "ms": 1184254325115.4858 }, "end": { "local": "2007-07-12T19:19:18+02:00", "utc": "2007-07-12T17:19:18Z", "ms": 1184260757709.646 } }, "covered_min": 13, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:03 on Wed 11 Jul to 17:45 on Thu 12 Jul.", "fact": "2007-07-11T18:03:19Z → 2007-07-12T15:44:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:32–19:19 on the 11th, 17:32–19:19 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 11th and 13 of 107 on the 12th.", "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 757 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Thursday 12 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": "2007-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-12", "confidence": "boundary" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Thursday 12 July. Trayodaśī runs from 20:03 on Wed 11 Jul to 17:45 on Thu 12 Jul and covers 13 of 107 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-07-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-07-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21926, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-07-12T17:44:42+02:00", "utc": "2007-07-12T15:44:42Z", "ms": 1184255081655.146 }, "end": { "local": "2007-07-13T15:42:21+02:00", "utc": "2007-07-13T13:42:21Z", "ms": 1184334140517.717 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-12T17:44:42+02:00", "utc": "2007-07-12T15:44:42Z", "ms": 1184255081655.146 }, "end": { "local": "2007-07-13T15:42:21+02:00", "utc": "2007-07-13T13:42:21Z", "ms": 1184334140517.717 } }, "kaala": "nishita", "days": [ { "local_date": "2007-07-12", "window": { "start": { "local": "2007-07-12T23:50:07+02:00", "utc": "2007-07-12T21:50:07Z", "ms": 1184277007343.5864 }, "end": { "local": "2007-07-13T00:38:07+02:00", "utc": "2007-07-12T22:38:07Z", "ms": 1184279887343.5864 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-07-13", "window": { "start": { "local": "2007-07-13T23:50:14+02:00", "utc": "2007-07-13T21:50:14Z", "ms": 1184363414418.4575 }, "end": { "local": "2007-07-14T00:38:14+02:00", "utc": "2007-07-13T22:38:14Z", "ms": 1184366294418.4575 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:45 on Thu 12 Jul to 15:42 on Fri 13 Jul.", "fact": "2007-07-12T15:44:42Z → 2007-07-13T13:42:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 12th, 23:50–00:38 on the 13th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21926 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Thursday 12 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": "2007-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-12", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Thursday 12 July. Caturdaśī runs from 17:45 on Thu 12 Jul to 15:42 on Fri 13 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-07-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 795, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2007-07-15T12:56:10+02:00", "utc": "2007-07-15T10:56:10Z", "ms": 1184496969781.9294 }, "end": { "local": "2007-07-16T12:25:26+02:00", "utc": "2007-07-16T10:25:26Z", "ms": 1184581525756.004 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-15T12:56:10+02:00", "utc": "2007-07-15T10:56:10Z", "ms": 1184496969781.9294 }, "end": { "local": "2007-07-16T12:25:26+02:00", "utc": "2007-07-16T10:25:26Z", "ms": 1184581525756.004 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-07-15", "window": { "start": { "local": "2007-07-15T11:50:35+02:00", "utc": "2007-07-15T09:50:35Z", "ms": 1184493034920.2368 }, "end": { "local": "2007-07-15T12:38:35+02:00", "utc": "2007-07-15T10:38:35Z", "ms": 1184495914920.2368 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-07-16", "window": { "start": { "local": "2007-07-16T11:50:41+02:00", "utc": "2007-07-16T09:50:41Z", "ms": 1184579441164.338 }, "end": { "local": "2007-07-16T12:38:41+02:00", "utc": "2007-07-16T10:38:41Z", "ms": 1184582321164.338 } }, "covered_min": 35, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:56 on Sun 15 Jul to 12:25 on Mon 16 Jul.", "fact": "2007-07-15T10:56:10Z → 2007-07-16T10:25:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 15th, 11:51–12:39 on the 16th.", "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 15th and 35 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 795 s" }, { "step": "ruling", "text": "Rathayātrā, Soweto, 2007: Monday 16 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": "2007-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-16", "confidence": "determinate" } ], "quote": "In Soweto, Rathayātrā 2007 falls on Monday 16 July. Dvitīyā runs from 12:56 on Sun 15 Jul to 12:25 on Mon 16 Jul and covers 35 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-07-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-18", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 202, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-07-17T12:35:25+02:00", "utc": "2007-07-17T10:35:25Z", "ms": 1184668525316.8574 }, "end": { "local": "2007-07-18T13:26:52+02:00", "utc": "2007-07-18T11:26:52Z", "ms": 1184758011855.763 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-17T12:35:25+02:00", "utc": "2007-07-17T10:35:25Z", "ms": 1184668525316.8574 }, "end": { "local": "2007-07-18T13:26:52+02:00", "utc": "2007-07-18T11:26:52Z", "ms": 1184758011855.763 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-07-17", "window": { "start": { "local": "2007-07-17T11:50:47+02:00", "utc": "2007-07-17T09:50:47Z", "ms": 1184665846882.0112 }, "end": { "local": "2007-07-17T12:38:47+02:00", "utc": "2007-07-17T10:38:47Z", "ms": 1184668726882.0112 } }, "covered_min": 3, "window_min": 48, "qualifies": true }, { "local_date": "2007-07-18", "window": { "start": { "local": "2007-07-18T11:50:52+02:00", "utc": "2007-07-18T09:50:52Z", "ms": 1184752252058.1982 }, "end": { "local": "2007-07-18T12:38:52+02:00", "utc": "2007-07-18T10:38:52Z", "ms": 1184755132058.1982 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:35 on Tue 17 Jul to 13:27 on Wed 18 Jul.", "fact": "2007-07-17T10:35:25Z → 2007-07-18T11:26:52Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 3 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 202 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Wednesday 18 July.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "2007-07-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-18", "confidence": "boundary" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Wednesday 18 July. Caturthī runs from 12:35 on Tue 17 Jul to 13:27 on Wed 18 Jul and covers all of madhyāhna that midday. It also reaches the previous midday for 3 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 22 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2880, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2007-07-18T13:26:52+02:00", "utc": "2007-07-18T11:26:52Z", "ms": 1184758011855.763 }, "end": { "local": "2007-07-19T14:56:31+02:00", "utc": "2007-07-19T12:56:31Z", "ms": 1184849791474.5862 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-18T13:26:52+02:00", "utc": "2007-07-18T11:26:52Z", "ms": 1184758011855.763 }, "end": { "local": "2007-07-19T14:56:31+02:00", "utc": "2007-07-19T12:56:31Z", "ms": 1184849791474.5862 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-07-18", "window": { "start": { "local": "2007-07-18T11:50:52+02:00", "utc": "2007-07-18T09:50:52Z", "ms": 1184752252058.1982 }, "end": { "local": "2007-07-18T12:38:52+02:00", "utc": "2007-07-18T10:38:52Z", "ms": 1184755132058.1982 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-07-19", "window": { "start": { "local": "2007-07-19T11:50:57+02:00", "utc": "2007-07-19T09:50:57Z", "ms": 1184838656679.4614 }, "end": { "local": "2007-07-19T12:38:57+02:00", "utc": "2007-07-19T10:38:57Z", "ms": 1184841536679.4614 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:27 on Wed 18 Jul to 14:57 on Thu 19 Jul.", "fact": "2007-07-18T11:26:52Z → 2007-07-19T12:56:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 18th, 11:51–12:39 on the 19th.", "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 18th and 48 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 2880 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Soweto, 2007: Thursday 19 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": "2007-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-19", "confidence": "determinate" } ], "quote": "In Soweto, Skanda Pañcamī 2007 falls on Thursday 19 July. Pañcamī runs from 13:27 on Wed 18 Jul to 14:57 on Thu 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15470, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2007-07-20T16:56:51+02:00", "utc": "2007-07-20T14:56:51Z", "ms": 1184943411095.7815 }, "end": { "local": "2007-07-21T19:16:25+02:00", "utc": "2007-07-21T17:16:25Z", "ms": 1185038184954.6777 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-20T16:56:51+02:00", "utc": "2007-07-20T14:56:51Z", "ms": 1184943411095.7815 }, "end": { "local": "2007-07-21T19:16:25+02:00", "utc": "2007-07-21T17:16:25Z", "ms": 1185038184954.6777 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-07-20", "window": { "start": { "local": "2007-07-20T11:51:01+02:00", "utc": "2007-07-20T09:51:01Z", "ms": 1184925060733.9255 }, "end": { "local": "2007-07-20T12:39:01+02:00", "utc": "2007-07-20T10:39:01Z", "ms": 1184927940733.9255 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-07-21", "window": { "start": { "local": "2007-07-21T11:51:04+02:00", "utc": "2007-07-21T09:51:04Z", "ms": 1185011464211.1948 }, "end": { "local": "2007-07-21T12:39:04+02:00", "utc": "2007-07-21T10:39:04Z", "ms": 1185014344211.1948 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:57 on Fri 20 Jul to 19:16 on Sat 21 Jul.", "fact": "2007-07-20T14:56:51Z → 2007-07-21T17:16:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 20th, 11:51–12:39 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15470 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Soweto, 2007: Saturday 21 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": "2007-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-21", "confidence": "determinate" } ], "quote": "In Soweto, Vivasvat Saptamī 2007 falls on Saturday 21 July. Saptamī runs from 16:57 on Fri 20 Jul to 19:16 on Sat 21 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-07-25", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13026, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-07-25T01:51:18+02:00", "utc": "2007-07-24T23:51:18Z", "ms": 1185321077968.6118 }, "end": { "local": "2007-07-26T03:14:34+02:00", "utc": "2007-07-26T01:14:34Z", "ms": 1185412474104.608 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-25T01:51:18+02:00", "utc": "2007-07-24T23:51:18Z", "ms": 1185321077968.6118 }, "end": { "local": "2007-07-26T03:14:34+02:00", "utc": "2007-07-26T01:14:34Z", "ms": 1185412474104.608 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-07-25", "window": { "start": { "local": "2007-07-25T06:52:08+02:00", "utc": "2007-07-25T04:52:08Z", "ms": 1185339128087.2864 }, "end": { "local": "2007-07-25T06:52:08+02:00", "utc": "2007-07-25T04:52:08Z", "ms": 1185339128087.2864 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-07-26", "window": { "start": { "local": "2007-07-26T06:51:40+02:00", "utc": "2007-07-26T04:51:40Z", "ms": 1185425499650.5684 }, "end": { "local": "2007-07-26T06:51:40+02:00", "utc": "2007-07-26T04:51:40Z", "ms": 1185425499650.5684 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:51 on Wed 25 Jul to 03:15 on Thu 26 Jul.", "fact": "2007-07-24T23:51:18Z → 2007-07-26T01:14:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 25th and 06:52 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13026 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Soweto, 2007: Wednesday 25 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": "2007-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-25", "confidence": "determinate" } ], "quote": "In Soweto, Hariśayanī Ekādaśī 2007 falls on Wednesday 25 July. Ekādaśī runs from 01:51 on Wed 25 Jul to 03:15 on Thu 26 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-07-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31039, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-07-27T04:01:44+02:00", "utc": "2007-07-27T02:01:44Z", "ms": 1185501703549.497 }, "end": { "local": "2007-07-28T04:11:26+02:00", "utc": "2007-07-28T02:11:26Z", "ms": 1185588686143.412 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-27T04:01:44+02:00", "utc": "2007-07-27T02:01:44Z", "ms": 1185501703549.497 }, "end": { "local": "2007-07-28T04:11:26+02:00", "utc": "2007-07-28T02:11:26Z", "ms": 1185588686143.412 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-07-26", "window": { "start": { "local": "2007-07-26T17:38:46+02:00", "utc": "2007-07-26T15:38:46Z", "ms": 1185464325691.2126 }, "end": { "local": "2007-07-26T19:24:25+02:00", "utc": "2007-07-26T17:24:25Z", "ms": 1185470664929.0989 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2007-07-27", "window": { "start": { "local": "2007-07-27T17:39:15+02:00", "utc": "2007-07-27T15:39:15Z", "ms": 1185550755109.0125 }, "end": { "local": "2007-07-27T19:24:46+02:00", "utc": "2007-07-27T17:24:46Z", "ms": 1185557086304.4973 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:02 on Fri 27 Jul to 04:11 on Sat 28 Jul.", "fact": "2007-07-27T02:01:44Z → 2007-07-28T02:11:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:24 on the 26th, 17:39–19:25 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 106 minutes on the 26th and 106 of 106 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 31039 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Friday 27 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": "2007-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-27", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Friday 27 July. Trayodaśī runs from 04:02 on Fri 27 Jul to 04:11 on Sat 28 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-07-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11079, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-07-29T03:45:28+02:00", "utc": "2007-07-29T01:45:28Z", "ms": 1185673528310.415 }, "end": { "local": "2007-07-30T02:47:45+02:00", "utc": "2007-07-30T00:47:45Z", "ms": 1185756464583.4055 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-29T03:45:28+02:00", "utc": "2007-07-29T01:45:28Z", "ms": 1185673528310.415 }, "end": { "local": "2007-07-30T02:47:45+02:00", "utc": "2007-07-30T00:47:45Z", "ms": 1185756464583.4055 } }, "kaala": "udaya-3", "days": [ { "local_date": "2007-07-29", "window": { "start": { "local": "2007-07-29T06:50:07+02:00", "utc": "2007-07-29T04:50:07Z", "ms": 1185684606964.4973 }, "end": { "local": "2007-07-29T09:00:08+02:00", "utc": "2007-07-29T07:00:08Z", "ms": 1185692408357.8357 } }, "covered_min": 130, "window_min": 130, "qualifies": true }, { "local_date": "2007-07-30", "window": { "start": { "local": "2007-07-30T06:49:34+02:00", "utc": "2007-07-30T04:49:34Z", "ms": 1185770973658.9045 }, "end": { "local": "2007-07-30T08:59:48+02:00", "utc": "2007-07-30T06:59:48Z", "ms": 1185778787589.006 } }, "covered_min": 0, "window_min": 130, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:45 on Sun 29 Jul to 02:48 on Mon 30 Jul.", "fact": "2007-07-29T01:45:28Z → 2007-07-30T00:47:45Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:50–09:00 on the 29th, 06:50–09:00 on the 30th.", "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 29th and 0 of 130 on the 30th.", "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 11079 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Soweto, 2007: Sunday 29 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": "2007-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-29", "confidence": "determinate" } ], "quote": "In Soweto, Vyāsa Pūjā 2007 falls on Sunday 29 July. Pūrṇimā runs from 03:45 on Sun 29 Jul to 02:48 on Mon 30 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29142, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-07-29T03:45:28+02:00", "utc": "2007-07-29T01:45:28Z", "ms": 1185673528310.415 }, "end": { "local": "2007-07-30T02:47:45+02:00", "utc": "2007-07-30T00:47:45Z", "ms": 1185756464583.4055 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-29T03:45:28+02:00", "utc": "2007-07-29T01:45:28Z", "ms": 1185673528310.415 }, "end": { "local": "2007-07-30T02:47:45+02:00", "utc": "2007-07-30T00:47:45Z", "ms": 1185756464583.4055 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-07-29", "window": { "start": { "local": "2007-07-29T11:51:10+02:00", "utc": "2007-07-29T09:51:10Z", "ms": 1185702670447.8433 }, "end": { "local": "2007-07-29T12:39:10+02:00", "utc": "2007-07-29T10:39:10Z", "ms": 1185705550447.8433 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-07-30", "window": { "start": { "local": "2007-07-30T11:51:08+02:00", "utc": "2007-07-30T09:51:08Z", "ms": 1185789068484.1587 }, "end": { "local": "2007-07-30T12:39:08+02:00", "utc": "2007-07-30T10:39:08Z", "ms": 1185791948484.1587 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:45 on Sun 29 Jul to 02:48 on Mon 30 Jul.", "fact": "2007-07-29T01:45:28Z → 2007-07-30T00:47:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 29th, 11:51–12:39 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 29142 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Soweto, 2007: Sunday 29 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": "2007-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-29", "confidence": "determinate" } ], "quote": "In Soweto, Guru Pūrṇimā 2007 falls on Sunday 29 July. Pūrṇimā runs from 03:45 on Sun 29 Jul to 02:48 on Mon 30 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32851, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-07-29T03:45:28+02:00", "utc": "2007-07-29T01:45:28Z", "ms": 1185673528310.415 }, "end": { "local": "2007-07-30T02:47:45+02:00", "utc": "2007-07-30T00:47:45Z", "ms": 1185756464583.4055 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-29T03:45:28+02:00", "utc": "2007-07-29T01:45:28Z", "ms": 1185673528310.415 }, "end": { "local": "2007-07-30T02:47:45+02:00", "utc": "2007-07-30T00:47:45Z", "ms": 1185756464583.4055 } }, "kaala": "sayahna", "days": [ { "local_date": "2007-07-28", "window": { "start": { "local": "2007-07-28T15:29:55+02:00", "utc": "2007-07-28T13:29:55Z", "ms": 1185629395436.605 }, "end": { "local": "2007-07-28T17:39:45+02:00", "utc": "2007-07-28T15:39:45Z", "ms": 1185637184526.969 } }, "covered_min": 0, "window_min": 130, "qualifies": false }, { "local_date": "2007-07-29", "window": { "start": { "local": "2007-07-29T15:30:13+02:00", "utc": "2007-07-29T13:30:13Z", "ms": 1185715812537.8506 }, "end": { "local": "2007-07-29T17:40:14+02:00", "utc": "2007-07-29T15:40:14Z", "ms": 1185723613931.189 } }, "covered_min": 130, "window_min": 130, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:45 on Sun 29 Jul to 02:48 on Mon 30 Jul.", "fact": "2007-07-29T01:45:28Z → 2007-07-30T00:47:45Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:30–17:40 on the 28th, 15:30–17:40 on the 29th.", "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 28th and 130 of 130 on the 29th.", "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 32851 s" }, { "step": "ruling", "text": "Kokilā Vrata, Soweto, 2007: Sunday 29 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": "2007-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-29", "confidence": "determinate" } ], "quote": "In Soweto, Kokilā Vrata 2007 falls on Sunday 29 July. Pūrṇimā runs from 03:45 on Sun 29 Jul to 02:48 on Mon 30 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26536, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-07-29T03:45:28+02:00", "utc": "2007-07-29T01:45:28Z", "ms": 1185673528310.415 }, "end": { "local": "2007-07-30T02:47:45+02:00", "utc": "2007-07-30T00:47:45Z", "ms": 1185756464583.4055 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2007-07-29T03:45:28+02:00", "utc": "2007-07-29T01:45:28Z", "ms": 1185673528310.415 }, "end": { "local": "2007-07-30T02:47:45+02:00", "utc": "2007-07-30T00:47:45Z", "ms": 1185756464583.4055 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-07-28", "window": { "start": { "local": "2007-07-28T17:39:45+02:00", "utc": "2007-07-28T15:39:45Z", "ms": 1185637184526.969 }, "end": { "local": "2007-07-28T19:25:08+02:00", "utc": "2007-07-28T17:25:08Z", "ms": 1185643507518.6394 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2007-07-29", "window": { "start": { "local": "2007-07-29T17:40:14+02:00", "utc": "2007-07-29T15:40:14Z", "ms": 1185723613931.189 }, "end": { "local": "2007-07-29T19:25:29+02:00", "utc": "2007-07-29T17:25:29Z", "ms": 1185729928561.551 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:45 on Sun 29 Jul to 02:48 on Mon 30 Jul.", "fact": "2007-07-29T01:45:28Z → 2007-07-30T00:47:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:25 on the 28th, 17:40–19:25 on the 29th.", "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 28th and 105 of 105 on the 29th.", "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 26536 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Soweto, 2007: Sunday 29 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": "2007-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-29", "confidence": "determinate" } ], "quote": "In Soweto, Śiva Śayanotsava 2007 falls on Sunday 29 July. Pūrṇimā runs from 03:45 on Sun 29 Jul to 02:48 on Mon 30 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15536, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2007-07-31T01:23:22+02:00", "utc": "2007-07-30T23:23:22Z", "ms": 1185837801658.558 }, "end": { "local": "2007-07-31T23:37:53+02:00", "utc": "2007-07-31T21:37:53Z", "ms": 1185917872972.7646 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-07-31T01:23:22+02:00", "utc": "2007-07-30T23:23:22Z", "ms": 1185837801658.558 }, "end": { "local": "2007-07-31T23:37:53+02:00", "utc": "2007-07-31T21:37:53Z", "ms": 1185917872972.7646 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-07-30", "window": { "start": { "local": "2007-07-30T18:15:27+02:00", "utc": "2007-07-30T16:15:27Z", "ms": 1185812127266.327 }, "end": { "local": "2007-07-30T18:15:27+02:00", "utc": "2007-07-30T16:15:27Z", "ms": 1185812127266.327 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-07-31", "window": { "start": { "local": "2007-07-31T19:18:57+02:00", "utc": "2007-07-31T17:18:57Z", "ms": 1185902337185.0823 }, "end": { "local": "2007-07-31T19:18:57+02:00", "utc": "2007-07-31T17:18:57Z", "ms": 1185902337185.0823 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:23 on Tue 31 Jul to 23:38 on Tue 31 Jul.", "fact": "2007-07-30T23:23:22Z → 2007-07-31T21:37:53Z" }, { "step": "kaala", "text": "Moonrise is at 18:15 on the 30th and 19:19 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15536 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Soweto, 2007: Tuesday 31 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": "2007-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-07-31", "confidence": "determinate" } ], "quote": "In Soweto, Aśūnya Śayana Vrata (Āṣāḍha) 2007 falls on Tuesday 31 July. Dvitīyā runs from 01:23 on Tue 31 Jul to 23:38 on Tue 31 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-08-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-01", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 4517, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-08-01T21:36:46+02:00", "utc": "2007-08-01T19:36:46Z", "ms": 1185997006196.5894 }, "end": { "local": "2007-08-02T19:25:03+02:00", "utc": "2007-08-02T17:25:03Z", "ms": 1186075503111.6594 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-01T21:36:46+02:00", "utc": "2007-08-01T19:36:46Z", "ms": 1185997006196.5894 }, "end": { "local": "2007-08-02T19:25:03+02:00", "utc": "2007-08-02T17:25:03Z", "ms": 1186075503111.6594 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-08-01", "window": { "start": { "local": "2007-08-01T20:21:29+02:00", "utc": "2007-08-01T18:21:29Z", "ms": 1185992488758.6777 }, "end": { "local": "2007-08-01T20:21:29+02:00", "utc": "2007-08-01T18:21:29Z", "ms": 1185992488758.6777 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-08-02", "window": { "start": { "local": "2007-08-02T21:23:35+02:00", "utc": "2007-08-02T19:23:35Z", "ms": 1186082615316.087 }, "end": { "local": "2007-08-02T21:23:35+02:00", "utc": "2007-08-02T19:23:35Z", "ms": 1186082615316.087 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:37 on Wed 1 Aug to 19:25 on Thu 2 Aug.", "fact": "2007-08-01T19:36:46Z → 2007-08-02T17:25:03Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 1st and 21:24 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 not on the 2nd.", "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 4517 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Wednesday 1 August.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-08-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-01", "confidence": "boundary" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Wednesday 1 August. Caturthī runs from 21:37 on Wed 1 Aug to 19:25 on Thu 2 Aug, and is current at moonrise on neither day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-08-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ekadashi?on=2007-08-08", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2185, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-08-08T06:07:18+02:00", "utc": "2007-08-08T04:07:18Z", "ms": 1186546037563.873 }, "end": { "local": "2007-08-09T04:23:21+02:00", "utc": "2007-08-09T02:23:21Z", "ms": 1186626201459.8884 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-08T06:07:18+02:00", "utc": "2007-08-08T04:07:18Z", "ms": 1186546037563.873 }, "end": { "local": "2007-08-09T04:23:21+02:00", "utc": "2007-08-09T02:23:21Z", "ms": 1186626201459.8884 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-08-08", "window": { "start": { "local": "2007-08-08T06:43:43+02:00", "utc": "2007-08-08T04:43:43Z", "ms": 1186548222960.39 }, "end": { "local": "2007-08-08T06:43:43+02:00", "utc": "2007-08-08T04:43:43Z", "ms": 1186548222960.39 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-08-09", "window": { "start": { "local": "2007-08-09T06:42:59+02:00", "utc": "2007-08-09T04:42:59Z", "ms": 1186634578655.3682 }, "end": { "local": "2007-08-09T06:42:59+02:00", "utc": "2007-08-09T04:42:59Z", "ms": 1186634578655.3682 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:07 on Wed 8 Aug to 04:23 on Thu 9 Aug.", "fact": "2007-08-08T04:07:18Z → 2007-08-09T02:23:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 8th and 06:43 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "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 2185 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Soweto, 2007: Wednesday 8 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": "2007-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-08", "confidence": "determinate" } ], "quote": "In Soweto, Kāmikā Ekādaśī 2007 falls on Wednesday 8 August. Ekādaśī runs from 06:07 on Wed 8 Aug to 04:23 on Thu 9 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-08-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22951, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-08-10T02:56:54+02:00", "utc": "2007-08-10T00:56:54Z", "ms": 1186707413566.1904 }, "end": { "local": "2007-08-11T01:51:56+02:00", "utc": "2007-08-10T23:51:56Z", "ms": 1186789916296.8105 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-10T02:56:54+02:00", "utc": "2007-08-10T00:56:54Z", "ms": 1186707413566.1904 }, "end": { "local": "2007-08-11T01:51:56+02:00", "utc": "2007-08-10T23:51:56Z", "ms": 1186789916296.8105 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-08-09", "window": { "start": { "local": "2007-08-09T17:45:34+02:00", "utc": "2007-08-09T15:45:34Z", "ms": 1186674333562.5059 }, "end": { "local": "2007-08-09T19:29:07+02:00", "utc": "2007-08-09T17:29:07Z", "ms": 1186680546866.89 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2007-08-10", "window": { "start": { "local": "2007-08-10T17:46:02+02:00", "utc": "2007-08-10T15:46:02Z", "ms": 1186760762017.499 }, "end": { "local": "2007-08-10T19:29:25+02:00", "utc": "2007-08-10T17:29:25Z", "ms": 1186766965354.7446 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:57 on Fri 10 Aug to 01:52 on Sat 11 Aug.", "fact": "2007-08-10T00:56:54Z → 2007-08-10T23:51:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:29 on the 9th, 17:46–19:29 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 9th and 103 of 103 on the 10th.", "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 22951 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Friday 10 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": "2007-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-10", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Friday 10 August. Trayodaśī runs from 02:57 on Fri 10 Aug to 01:52 on Sat 11 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-08-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-08-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2099, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-08-11T01:51:56+02:00", "utc": "2007-08-10T23:51:56Z", "ms": 1186789916296.8105 }, "end": { "local": "2007-08-12T01:12:34+02:00", "utc": "2007-08-11T23:12:34Z", "ms": 1186873954314.16 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-11T01:51:56+02:00", "utc": "2007-08-10T23:51:56Z", "ms": 1186789916296.8105 }, "end": { "local": "2007-08-12T01:12:34+02:00", "utc": "2007-08-11T23:12:34Z", "ms": 1186873954314.16 } }, "kaala": "nishita", "days": [ { "local_date": "2007-08-10", "window": { "start": { "local": "2007-08-10T23:49:45+02:00", "utc": "2007-08-10T21:49:45Z", "ms": 1186782584532.17 }, "end": { "local": "2007-08-11T00:37:45+02:00", "utc": "2007-08-10T22:37:45Z", "ms": 1186785464532.17 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-08-11", "window": { "start": { "local": "2007-08-11T23:49:35+02:00", "utc": "2007-08-11T21:49:35Z", "ms": 1186868975050.3486 }, "end": { "local": "2007-08-12T00:37:35+02:00", "utc": "2007-08-11T22:37:35Z", "ms": 1186871855050.3486 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:52 on Sat 11 Aug to 01:13 on Sun 12 Aug.", "fact": "2007-08-10T23:51:56Z → 2007-08-11T23:12:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 10th, 23:50–00:38 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 2099 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Saturday 11 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": "2007-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-11", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Saturday 11 August. Caturdaśī runs from 01:52 on Sat 11 Aug to 01:13 on Sun 12 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-08-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28890, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2007-08-15T02:20:00+02:00", "utc": "2007-08-15T00:20:00Z", "ms": 1187137199696.6272 }, "end": { "local": "2007-08-16T03:47:35+02:00", "utc": "2007-08-16T01:47:35Z", "ms": 1187228854941.5793 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-15T02:20:00+02:00", "utc": "2007-08-15T00:20:00Z", "ms": 1187137199696.6272 }, "end": { "local": "2007-08-16T03:47:35+02:00", "utc": "2007-08-16T01:47:35Z", "ms": 1187228854941.5793 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-08-15", "window": { "start": { "local": "2007-08-15T11:49:17+02:00", "utc": "2007-08-15T09:49:17Z", "ms": 1187171357090.6172 }, "end": { "local": "2007-08-15T12:37:17+02:00", "utc": "2007-08-15T10:37:17Z", "ms": 1187174237090.6172 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-08-16", "window": { "start": { "local": "2007-08-16T11:49:05+02:00", "utc": "2007-08-16T09:49:05Z", "ms": 1187257745314.2603 }, "end": { "local": "2007-08-16T12:37:05+02:00", "utc": "2007-08-16T10:37:05Z", "ms": 1187260625314.2603 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:20 on Wed 15 Aug to 03:48 on Thu 16 Aug.", "fact": "2007-08-15T00:20:00Z → 2007-08-16T01:47:35Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28890 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Soweto, 2007: Wednesday 15 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": "2007-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-15", "confidence": "determinate" } ], "quote": "In Soweto, Madhusravā Tṛtīyā (Hariyali Teej) 2007 falls on Wednesday 15 August. Tṛtīyā runs from 02:20 on Wed 15 Aug to 03:48 on Thu 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-08-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21943, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-08-16T03:47:35+02:00", "utc": "2007-08-16T01:47:35Z", "ms": 1187228854941.5793 }, "end": { "local": "2007-08-17T05:43:10+02:00", "utc": "2007-08-17T03:43:10Z", "ms": 1187322190182.2766 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-16T03:47:35+02:00", "utc": "2007-08-16T01:47:35Z", "ms": 1187228854941.5793 }, "end": { "local": "2007-08-17T05:43:10+02:00", "utc": "2007-08-17T03:43:10Z", "ms": 1187322190182.2766 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-08-16", "window": { "start": { "local": "2007-08-16T11:49:05+02:00", "utc": "2007-08-16T09:49:05Z", "ms": 1187257745314.2603 }, "end": { "local": "2007-08-16T12:37:05+02:00", "utc": "2007-08-16T10:37:05Z", "ms": 1187260625314.2603 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-08-17", "window": { "start": { "local": "2007-08-17T11:48:53+02:00", "utc": "2007-08-17T09:48:53Z", "ms": 1187344133000.6885 }, "end": { "local": "2007-08-17T12:36:53+02:00", "utc": "2007-08-17T10:36:53Z", "ms": 1187347013000.6885 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:48 on Thu 16 Aug to 05:43 on Fri 17 Aug.", "fact": "2007-08-16T01:47:35Z → 2007-08-17T03:43:10Z" }, { "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": "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 21943 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Thursday 16 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": "2007-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-16", "confidence": "determinate" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Thursday 16 August. Caturthī runs from 03:48 on Thu 16 Aug to 05:43 on Fri 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13767, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2007-08-17T05:43:10+02:00", "utc": "2007-08-17T03:43:10Z", "ms": 1187322190182.2766 }, "end": { "local": "2007-08-18T07:59:13+02:00", "utc": "2007-08-18T05:59:13Z", "ms": 1187416752906.4473 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-17T05:43:10+02:00", "utc": "2007-08-17T03:43:10Z", "ms": 1187322190182.2766 }, "end": { "local": "2007-08-18T07:59:13+02:00", "utc": "2007-08-18T05:59:13Z", "ms": 1187416752906.4473 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-08-17", "window": { "start": { "local": "2007-08-17T11:48:53+02:00", "utc": "2007-08-17T09:48:53Z", "ms": 1187344133000.6885 }, "end": { "local": "2007-08-17T12:36:53+02:00", "utc": "2007-08-17T10:36:53Z", "ms": 1187347013000.6885 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-08-18", "window": { "start": { "local": "2007-08-18T11:48:40+02:00", "utc": "2007-08-18T09:48:40Z", "ms": 1187430520158.6829 }, "end": { "local": "2007-08-18T12:36:40+02:00", "utc": "2007-08-18T10:36:40Z", "ms": 1187433400158.6829 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:43 on Fri 17 Aug to 07:59 on Sat 18 Aug.", "fact": "2007-08-17T03:43:10Z → 2007-08-18T05:59:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 17th, 11:49–12:37 on the 18th.", "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 17th and 0 of 48 on the 18th.", "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 13767 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Soweto, 2007: Friday 17 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": "2007-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-17", "confidence": "determinate" } ], "quote": "In Soweto, Nāga Pañcamī 2007 falls on Friday 17 August. Pañcamī runs from 05:43 on Fri 17 Aug to 07:59 on Sat 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-08-24", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39874, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-08-23T17:35:35+02:00", "utc": "2007-08-23T15:35:35Z", "ms": 1187883335290.9014 }, "end": { "local": "2007-08-24T17:55:33+02:00", "utc": "2007-08-24T15:55:33Z", "ms": 1187970932606.1023 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-23T17:35:35+02:00", "utc": "2007-08-23T15:35:35Z", "ms": 1187883335290.9014 }, "end": { "local": "2007-08-24T17:55:33+02:00", "utc": "2007-08-24T15:55:33Z", "ms": 1187970932606.1023 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-08-23", "window": { "start": { "local": "2007-08-23T06:31:01+02:00", "utc": "2007-08-23T04:31:01Z", "ms": 1187843460942.092 }, "end": { "local": "2007-08-23T06:31:01+02:00", "utc": "2007-08-23T04:31:01Z", "ms": 1187843460942.092 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-08-24", "window": { "start": { "local": "2007-08-24T06:30:04+02:00", "utc": "2007-08-24T04:30:04Z", "ms": 1187929803518.6084 }, "end": { "local": "2007-08-24T06:30:04+02:00", "utc": "2007-08-24T04:30:04Z", "ms": 1187929803518.6084 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:36 on Thu 23 Aug to 17:56 on Fri 24 Aug.", "fact": "2007-08-23T15:35:35Z → 2007-08-24T15:55:33Z" }, { "step": "kaala", "text": "Sunrise is at 06:31 on the 23rd and 06:30 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is 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 39874 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Soweto, 2007: Friday 24 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": "2007-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-24", "confidence": "determinate" } ], "quote": "In Soweto, Putradā Ekādaśī 2007 falls on Friday 24 August. Ekādaśī runs from 17:36 on Thu 23 Aug to 17:56 on Fri 24 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-08-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17837, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2007-08-24T17:55:33+02:00", "utc": "2007-08-24T15:55:33Z", "ms": 1187970932606.1023 }, "end": { "local": "2007-08-25T17:32:13+02:00", "utc": "2007-08-25T15:32:13Z", "ms": 1188055933013.993 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-24T17:55:33+02:00", "utc": "2007-08-24T15:55:33Z", "ms": 1187970932606.1023 }, "end": { "local": "2007-08-25T17:32:13+02:00", "utc": "2007-08-25T15:32:13Z", "ms": 1188055933013.993 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-08-24", "window": { "start": { "local": "2007-08-24T11:47:13+02:00", "utc": "2007-08-24T09:47:13Z", "ms": 1187948832622.9695 }, "end": { "local": "2007-08-24T12:35:13+02:00", "utc": "2007-08-24T10:35:13Z", "ms": 1187951712622.9695 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-08-25", "window": { "start": { "local": "2007-08-25T11:46:56+02:00", "utc": "2007-08-25T09:46:56Z", "ms": 1188035216408.227 }, "end": { "local": "2007-08-25T12:34:56+02:00", "utc": "2007-08-25T10:34:56Z", "ms": 1188038096408.227 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:56 on Fri 24 Aug to 17:32 on Sat 25 Aug.", "fact": "2007-08-24T15:55:33Z → 2007-08-25T15:32:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 24th, 11:47–12:35 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 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17837 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Soweto, 2007: Saturday 25 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": "2007-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-25", "confidence": "determinate" } ], "quote": "In Soweto, Dāmodara Dvādaśī 2007 falls on Saturday 25 August. Dvādaśī runs from 17:56 on Fri 24 Aug to 17:32 on Sat 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-08-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1234, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-08-25T17:32:13+02:00", "utc": "2007-08-25T15:32:13Z", "ms": 1188055933013.993 }, "end": { "local": "2007-08-26T16:27:40+02:00", "utc": "2007-08-26T14:27:40Z", "ms": 1188138460217.7615 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-25T17:32:13+02:00", "utc": "2007-08-25T15:32:13Z", "ms": 1188055933013.993 }, "end": { "local": "2007-08-26T16:27:40+02:00", "utc": "2007-08-26T14:27:40Z", "ms": 1188138460217.7615 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-08-25", "window": { "start": { "local": "2007-08-25T17:52:47+02:00", "utc": "2007-08-25T15:52:47Z", "ms": 1188057167420.224 }, "end": { "local": "2007-08-25T19:33:30+02:00", "utc": "2007-08-25T17:33:30Z", "ms": 1188063209977.5964 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2007-08-26", "window": { "start": { "local": "2007-08-26T17:53:13+02:00", "utc": "2007-08-26T15:53:13Z", "ms": 1188143592939.0833 }, "end": { "local": "2007-08-26T19:33:44+02:00", "utc": "2007-08-26T17:33:44Z", "ms": 1188149624168.219 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:32 on Sat 25 Aug to 16:28 on Sun 26 Aug.", "fact": "2007-08-25T15:32:13Z → 2007-08-26T14:27:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:33 on the 25th, 17:53–19:34 on the 26th.", "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 25th and 0 of 101 on the 26th.", "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 1234 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Saturday 25 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": "2007-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-25", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Saturday 25 August. Trayodaśī runs from 17:32 on Sat 25 Aug to 16:28 on Sun 26 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-08-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 16918, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-08-27T14:46:31+02:00", "utc": "2007-08-27T12:46:31Z", "ms": 1188218791026.562 }, "end": { "local": "2007-08-28T12:35:06+02:00", "utc": "2007-08-28T10:35:06Z", "ms": 1188297305764.5808 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2007-08-28T01:44:09+02:00", "utc": "2007-08-27T23:44:09Z", "ms": 1188258248832.9185 }, "end": { "local": "2007-08-28T12:35:06+02:00", "utc": "2007-08-28T10:35:06Z", "ms": 1188297305764.5808 } }, "kaala": "day", "days": [ { "local_date": "2007-08-27", "window": { "start": { "local": "2007-08-27T06:27:07+02:00", "utc": "2007-08-27T04:27:07Z", "ms": 1188188827157.6018 }, "end": { "local": "2007-08-28T06:26:07+02:00", "utc": "2007-08-28T04:26:07Z", "ms": 1188275167094.1206 } }, "covered_min": 282, "window_min": 1439, "qualifies": true }, { "local_date": "2007-08-28", "window": { "start": { "local": "2007-08-28T06:26:07+02:00", "utc": "2007-08-28T04:26:07Z", "ms": 1188275167094.1206 }, "end": { "local": "2007-08-29T06:25:06+02:00", "utc": "2007-08-29T04:25:06Z", "ms": 1188361506437.1042 } }, "covered_min": 369, "window_min": 1439, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:47 on Mon 27 Aug to 12:35 on Tue 28 Aug. Its second half begins at 01:44 on Tue 28 Aug.", "fact": "2007-08-27T12:46:31Z → 2007-08-28T10:35:06Z · second half from 2007-08-27T23:44:09Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:27 on the 27th, and from 06:26 on the 28th.", "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 282 of 1439 minutes on the 27th and 369 of 1439 on the 28th.", "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 16918 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Soweto, 2007: Tuesday 28 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": "2007-08-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-28", "confidence": "boundary" } ], "quote": "In Soweto, Rakṣā Bandhana (Rakhi) 2007 falls on Tuesday 28 August. The second half of Pūrṇimā runs from 01:44 on Tue 28 Aug to 12:35 on Tue 28 Aug and falls on two days: 369 minutes of it on the 28th, 282 on the 27th; 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/soweto/festivals/2007/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": "/soweto/festivals/2007/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-28", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 60, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-08-27T14:46:31+02:00", "utc": "2007-08-27T12:46:31Z", "ms": 1188218791026.562 }, "end": { "local": "2007-08-28T12:35:06+02:00", "utc": "2007-08-28T10:35:06Z", "ms": 1188297305764.5808 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2007-08-27T14:46:31+02:00", "utc": "2007-08-27T12:46:31Z", "ms": 1188218791026.562 }, "end": { "local": "2007-08-28T12:35:06+02:00", "utc": "2007-08-28T10:35:06Z", "ms": 1188297305764.5808 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-08-27", "window": { "start": { "local": "2007-08-27T11:46:23+02:00", "utc": "2007-08-27T09:46:23Z", "ms": 1188207982725.401 }, "end": { "local": "2007-08-27T12:34:23+02:00", "utc": "2007-08-27T10:34:23Z", "ms": 1188210862725.401 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-08-28", "window": { "start": { "local": "2007-08-28T11:46:05+02:00", "utc": "2007-08-28T09:46:05Z", "ms": 1188294365293.8223 }, "end": { "local": "2007-08-28T12:34:05+02:00", "utc": "2007-08-28T10:34:05Z", "ms": 1188297245293.8223 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:47 on Mon 27 Aug to 12:35 on Tue 28 Aug.", "fact": "2007-08-27T12:46:31Z → 2007-08-28T10:35:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 27th, 11:46–12:34 on the 28th.", "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 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 60 s < 300 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Soweto, 2007: Tuesday 28 August.", "fact": "confidence: boundary (margin)" } ], "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": "2007-08-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-28", "confidence": "determinate" } ], "quote": "In Soweto, Ṛṣi Tarpaṇa 2007 falls on Tuesday 28 August. Pūrṇimā runs from 14:47 on Mon 27 Aug to 12:35 on Tue 28 Aug and covers all of madhyāhna that midday. It is 1 min 00 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32985, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2007-08-29T10:00:45+02:00", "utc": "2007-08-29T08:00:45Z", "ms": 1188374445110.2583 }, "end": { "local": "2007-08-30T07:11:16+02:00", "utc": "2007-08-30T05:11:16Z", "ms": 1188450676091.5833 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-08-29T10:00:45+02:00", "utc": "2007-08-29T08:00:45Z", "ms": 1188374445110.2583 }, "end": { "local": "2007-08-30T07:11:16+02:00", "utc": "2007-08-30T05:11:16Z", "ms": 1188450676091.5833 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-08-29", "window": { "start": { "local": "2007-08-29T19:10:30+02:00", "utc": "2007-08-29T17:10:30Z", "ms": 1188407430116.3865 }, "end": { "local": "2007-08-29T19:10:30+02:00", "utc": "2007-08-29T17:10:30Z", "ms": 1188407430116.3865 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-08-30", "window": { "start": { "local": "2007-08-30T20:14:48+02:00", "utc": "2007-08-30T18:14:48Z", "ms": 1188497688194.916 }, "end": { "local": "2007-08-30T20:14:48+02:00", "utc": "2007-08-30T18:14:48Z", "ms": 1188497688194.916 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:01 on Wed 29 Aug to 07:11 on Thu 30 Aug.", "fact": "2007-08-29T08:00:45Z → 2007-08-30T05:11:16Z" }, { "step": "kaala", "text": "Moonrise is at 19:11 on the 29th and 20:15 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32985 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Soweto, 2007: Wednesday 29 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": "2007-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-29", "confidence": "determinate" } ], "quote": "In Soweto, Aśūnya Śayana Vrata 2007 falls on Wednesday 29 August. Dvitīyā runs from 10:01 on Wed 29 Aug to 07:11 on Thu 30 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16453, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2007-08-30T07:11:16+02:00", "utc": "2007-08-30T05:11:16Z", "ms": 1188450676091.5833 }, "end": { "local": "2007-08-31T04:14:26+02:00", "utc": "2007-08-31T02:14:26Z", "ms": 1188526466398.238 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-08-30T07:11:16+02:00", "utc": "2007-08-30T05:11:16Z", "ms": 1188450676091.5833 }, "end": { "local": "2007-08-31T04:14:26+02:00", "utc": "2007-08-31T02:14:26Z", "ms": 1188526466398.238 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-08-30", "window": { "start": { "local": "2007-08-30T11:45:29+02:00", "utc": "2007-08-30T09:45:29Z", "ms": 1188467129348.5493 }, "end": { "local": "2007-08-30T12:33:29+02:00", "utc": "2007-08-30T10:33:29Z", "ms": 1188470009348.5493 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-08-31", "window": { "start": { "local": "2007-08-31T11:45:11+02:00", "utc": "2007-08-31T09:45:11Z", "ms": 1188553510875.6953 }, "end": { "local": "2007-08-31T12:33:11+02:00", "utc": "2007-08-31T10:33:11Z", "ms": 1188556390875.6953 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:11 on Thu 30 Aug to 04:14 on Fri 31 Aug.", "fact": "2007-08-30T05:11:16Z → 2007-08-31T02:14:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 30th, 11:45–12:33 on the 31st.", "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 30th and 0 of 48 on the 31st.", "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 16453 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Soweto, 2007: Thursday 30 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": "2007-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-30", "confidence": "determinate" } ], "quote": "In Soweto, Kajjalī Tṛtīyā (Kajari Teej) 2007 falls on Thursday 30 August. Tṛtīyā runs from 07:11 on Thu 30 Aug to 04:14 on Fri 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26546, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-08-31T04:14:26+02:00", "utc": "2007-08-31T02:14:26Z", "ms": 1188526466398.238 }, "end": { "local": "2007-09-01T01:17:45+02:00", "utc": "2007-08-31T23:17:45Z", "ms": 1188602264774.764 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-08-31T04:14:26+02:00", "utc": "2007-08-31T02:14:26Z", "ms": 1188526466398.238 }, "end": { "local": "2007-09-01T01:17:45+02:00", "utc": "2007-08-31T23:17:45Z", "ms": 1188602264774.764 } }, "kaala": "sayahna", "days": [ { "local_date": "2007-08-30", "window": { "start": { "local": "2007-08-30T15:36:44+02:00", "utc": "2007-08-30T13:36:44Z", "ms": 1188481003829.3665 }, "end": { "local": "2007-08-30T17:54:53+02:00", "utc": "2007-08-30T15:54:53Z", "ms": 1188489293483.2446 } }, "covered_min": 0, "window_min": 138, "qualifies": false }, { "local_date": "2007-08-31", "window": { "start": { "local": "2007-08-31T15:36:51+02:00", "utc": "2007-08-31T13:36:51Z", "ms": 1188567411330.035 }, "end": { "local": "2007-08-31T17:55:18+02:00", "utc": "2007-08-31T15:55:18Z", "ms": 1188575718299.5947 } }, "covered_min": 138, "window_min": 138, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:14 on Fri 31 Aug to 01:18 on Sat 1 Sep.", "fact": "2007-08-31T02:14:26Z → 2007-08-31T23:17:45Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:37–17:55 on the 30th, 15:37–17:55 on the 31st.", "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 30th and 138 of 138 on the 31st.", "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 26546 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Soweto, 2007: Friday 31 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": "2007-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-31", "confidence": "determinate" } ], "quote": "In Soweto, Bahulā Caturthī 2007 falls on Friday 31 August. Caturthī runs from 04:14 on Fri 31 Aug to 01:18 on Sat 1 Sep and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-08-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14245, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-08-31T04:14:26+02:00", "utc": "2007-08-31T02:14:26Z", "ms": 1188526466398.238 }, "end": { "local": "2007-09-01T01:17:45+02:00", "utc": "2007-08-31T23:17:45Z", "ms": 1188602264774.764 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-08-31T04:14:26+02:00", "utc": "2007-08-31T02:14:26Z", "ms": 1188526466398.238 }, "end": { "local": "2007-09-01T01:17:45+02:00", "utc": "2007-08-31T23:17:45Z", "ms": 1188602264774.764 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-08-30", "window": { "start": { "local": "2007-08-30T20:14:48+02:00", "utc": "2007-08-30T18:14:48Z", "ms": 1188497688194.916 }, "end": { "local": "2007-08-30T20:14:48+02:00", "utc": "2007-08-30T18:14:48Z", "ms": 1188497688194.916 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-08-31", "window": { "start": { "local": "2007-08-31T21:20:20+02:00", "utc": "2007-08-31T19:20:20Z", "ms": 1188588019891.57 }, "end": { "local": "2007-08-31T21:20:20+02:00", "utc": "2007-08-31T19:20:20Z", "ms": 1188588019891.57 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:14 on Fri 31 Aug to 01:18 on Sat 1 Sep.", "fact": "2007-08-31T02:14:26Z → 2007-08-31T23:17:45Z" }, { "step": "kaala", "text": "Moonrise is at 20:15 on the 30th and 21:20 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 14245 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Friday 31 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": "2007-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-08-31", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Friday 31 August. Caturthī runs from 04:14 on Fri 31 Aug to 01:18 on Sat 1 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26341, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2007-09-01T22:28:05+02:00", "utc": "2007-09-01T20:28:05Z", "ms": 1188678485328.185 }, "end": { "local": "2007-09-02T19:51:34+02:00", "utc": "2007-09-02T17:51:34Z", "ms": 1188755494454.3472 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-01T22:28:05+02:00", "utc": "2007-09-01T20:28:05Z", "ms": 1188678485328.185 }, "end": { "local": "2007-09-02T19:51:34+02:00", "utc": "2007-09-02T17:51:34Z", "ms": 1188755494454.3472 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-01", "window": { "start": { "local": "2007-09-01T11:44:52+02:00", "utc": "2007-09-01T09:44:52Z", "ms": 1188639892096.7634 }, "end": { "local": "2007-09-01T12:32:52+02:00", "utc": "2007-09-01T10:32:52Z", "ms": 1188642772096.7634 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-09-02", "window": { "start": { "local": "2007-09-02T11:44:33+02:00", "utc": "2007-09-02T09:44:33Z", "ms": 1188726273031.5923 }, "end": { "local": "2007-09-02T12:32:33+02:00", "utc": "2007-09-02T10:32:33Z", "ms": 1188729153031.5923 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:28 on Sat 1 Sep to 19:52 on Sun 2 Sep.", "fact": "2007-09-01T20:28:05Z → 2007-09-02T17:51:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 1st, 11:45–12:33 on the 2nd.", "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 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: paraviddha → only-day · margin 26341 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Soweto, 2007: Sunday 2 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": "2007-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-02", "confidence": "determinate" } ], "quote": "In Soweto, Hala Ṣaṣṭhī 2007 falls on Sunday 2 September. Ṣaṣṭhī runs from 22:28 on Sat 1 Sep to 19:52 on Sun 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22222, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2007-09-03T17:33:20+02:00", "utc": "2007-09-03T15:33:20Z", "ms": 1188833600263.4126 }, "end": { "local": "2007-09-04T15:37:25+02:00", "utc": "2007-09-04T13:37:25Z", "ms": 1188913045448.4062 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-03T17:33:20+02:00", "utc": "2007-09-03T15:33:20Z", "ms": 1188833600263.4126 }, "end": { "local": "2007-09-04T15:37:25+02:00", "utc": "2007-09-04T13:37:25Z", "ms": 1188913045448.4062 } }, "kaala": "nishita", "days": [ { "local_date": "2007-09-03", "window": { "start": { "local": "2007-09-03T23:43:42+02:00", "utc": "2007-09-03T21:43:42Z", "ms": 1188855821875.8003 }, "end": { "local": "2007-09-04T00:31:42+02:00", "utc": "2007-09-03T22:31:42Z", "ms": 1188858701875.8003 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-09-04", "window": { "start": { "local": "2007-09-04T23:43:22+02:00", "utc": "2007-09-04T21:43:22Z", "ms": 1188942202090.6082 }, "end": { "local": "2007-09-05T00:31:22+02:00", "utc": "2007-09-04T22:31:22Z", "ms": 1188945082090.6082 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:33 on Mon 3 Sep to 15:37 on Tue 4 Sep.", "fact": "2007-09-03T15:33:20Z → 2007-09-04T13:37:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 3rd, 23:43–00:31 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "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 22222 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Soweto, 2007: Monday 3 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": "2007-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-03", "confidence": "determinate" } ], "quote": "In Soweto, Janmāṣṭamī 2007 falls on Monday 3 September. Aṣṭamī runs from 17:33 on Mon 3 Sep to 15:37 on Tue 4 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18067, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2007-09-02T19:51:34+02:00", "utc": "2007-09-02T17:51:34Z", "ms": 1188755494454.3472 }, "end": { "local": "2007-09-03T17:33:20+02:00", "utc": "2007-09-03T15:33:20Z", "ms": 1188833600263.4126 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-02T19:51:34+02:00", "utc": "2007-09-02T17:51:34Z", "ms": 1188755494454.3472 }, "end": { "local": "2007-09-03T17:33:20+02:00", "utc": "2007-09-03T15:33:20Z", "ms": 1188833600263.4126 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-02", "window": { "start": { "local": "2007-09-02T11:44:33+02:00", "utc": "2007-09-02T09:44:33Z", "ms": 1188726273031.5923 }, "end": { "local": "2007-09-02T12:32:33+02:00", "utc": "2007-09-02T10:32:33Z", "ms": 1188729153031.5923 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-09-03", "window": { "start": { "local": "2007-09-03T11:44:14+02:00", "utc": "2007-09-03T09:44:14Z", "ms": 1188812653698.8127 }, "end": { "local": "2007-09-03T12:32:14+02:00", "utc": "2007-09-03T10:32:14Z", "ms": 1188815533698.8127 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:52 on Sun 2 Sep to 17:33 on Mon 3 Sep.", "fact": "2007-09-02T17:51:34Z → 2007-09-03T15:33:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 2nd, 11:44–12:32 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18067 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Soweto, 2007: Monday 3 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": "2007-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-03", "confidence": "determinate" } ], "quote": "In Soweto, Śītalā Saptamī 2007 falls on Monday 3 September. Saptamī runs from 19:52 on Sun 2 Sep to 17:33 on Mon 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-09-07", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22320, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-09-06T13:03:10+02:00", "utc": "2007-09-06T11:03:10Z", "ms": 1189076590344.9753 }, "end": { "local": "2007-09-07T12:27:38+02:00", "utc": "2007-09-07T10:27:38Z", "ms": 1189160858179.0264 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-06T13:03:10+02:00", "utc": "2007-09-06T11:03:10Z", "ms": 1189076590344.9753 }, "end": { "local": "2007-09-07T12:27:38+02:00", "utc": "2007-09-07T10:27:38Z", "ms": 1189160858179.0264 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-09-06", "window": { "start": { "local": "2007-09-06T06:16:43+02:00", "utc": "2007-09-06T04:16:43Z", "ms": 1189052203075.936 }, "end": { "local": "2007-09-06T06:16:43+02:00", "utc": "2007-09-06T04:16:43Z", "ms": 1189052203075.936 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-09-07", "window": { "start": { "local": "2007-09-07T06:15:38+02:00", "utc": "2007-09-07T04:15:38Z", "ms": 1189138538286.6033 }, "end": { "local": "2007-09-07T06:15:38+02:00", "utc": "2007-09-07T04:15:38Z", "ms": 1189138538286.6033 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:03 on Thu 6 Sep to 12:28 on Fri 7 Sep.", "fact": "2007-09-06T11:03:10Z → 2007-09-07T10:27:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 6th and 06:16 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22320 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Soweto, 2007: Friday 7 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": "2007-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-07", "confidence": "determinate" } ], "quote": "In Soweto, Ajā Ekādaśī 2007 falls on Friday 7 September. Ekādaśī runs from 13:03 on Thu 6 Sep to 12:28 on Fri 7 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-09-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19064, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-09-08T12:20:24+02:00", "utc": "2007-09-08T10:20:24Z", "ms": 1189246824080.7615 }, "end": { "local": "2007-09-09T12:41:14+02:00", "utc": "2007-09-09T10:41:14Z", "ms": 1189334474305.3787 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-08T12:20:24+02:00", "utc": "2007-09-08T10:20:24Z", "ms": 1189246824080.7615 }, "end": { "local": "2007-09-09T12:41:14+02:00", "utc": "2007-09-09T10:41:14Z", "ms": 1189334474305.3787 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-09-08", "window": { "start": { "local": "2007-09-08T17:58:34+02:00", "utc": "2007-09-08T15:58:34Z", "ms": 1189267114093.9912 }, "end": { "local": "2007-09-08T19:36:33+02:00", "utc": "2007-09-08T17:36:33Z", "ms": 1189272993245.889 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2007-09-09", "window": { "start": { "local": "2007-09-09T17:58:58+02:00", "utc": "2007-09-09T15:58:58Z", "ms": 1189353538362.3013 }, "end": { "local": "2007-09-09T19:36:46+02:00", "utc": "2007-09-09T17:36:46Z", "ms": 1189359405516.1943 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:20 on Sat 8 Sep to 12:41 on Sun 9 Sep.", "fact": "2007-09-08T10:20:24Z → 2007-09-09T10:41:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:37 on the 8th, 17:59–19:37 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 98 of 98 minutes on the 8th and 0 of 98 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 19064 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Saturday 8 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": "2007-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-08", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Saturday 8 September. Trayodaśī runs from 12:20 on Sat 8 Sep to 12:41 on Sun 9 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-09-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16190, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-09-09T12:41:14+02:00", "utc": "2007-09-09T10:41:14Z", "ms": 1189334474305.3787 }, "end": { "local": "2007-09-10T13:29:32+02:00", "utc": "2007-09-10T11:29:32Z", "ms": 1189423772144.9465 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-09T12:41:14+02:00", "utc": "2007-09-09T10:41:14Z", "ms": 1189334474305.3787 }, "end": { "local": "2007-09-10T13:29:32+02:00", "utc": "2007-09-10T11:29:32Z", "ms": 1189423772144.9465 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-09-09", "window": { "start": { "local": "2007-09-09T17:58:58+02:00", "utc": "2007-09-09T15:58:58Z", "ms": 1189353538362.3013 }, "end": { "local": "2007-09-09T19:36:46+02:00", "utc": "2007-09-09T17:36:46Z", "ms": 1189359405516.1943 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2007-09-10", "window": { "start": { "local": "2007-09-10T17:59:23+02:00", "utc": "2007-09-10T15:59:23Z", "ms": 1189439962612.184 }, "end": { "local": "2007-09-10T19:36:58+02:00", "utc": "2007-09-10T17:36:58Z", "ms": 1189445817735.4414 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:41 on Sun 9 Sep to 13:30 on Mon 10 Sep.", "fact": "2007-09-09T10:41:14Z → 2007-09-10T11:29:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:37 on the 9th, 17:59–19:37 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 9th and 0 of 98 on the 10th.", "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 16190 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Soweto, 2007: Sunday 9 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": "2007-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-09", "confidence": "determinate" } ], "quote": "In Soweto, Aghora Caturdaśī 2007 falls on Sunday 9 September. Caturdaśī runs from 12:41 on Sun 9 Sep to 13:30 on Mon 10 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/shivaratri?on=2007-09-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36707, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-09-09T12:41:14+02:00", "utc": "2007-09-09T10:41:14Z", "ms": 1189334474305.3787 }, "end": { "local": "2007-09-10T13:29:32+02:00", "utc": "2007-09-10T11:29:32Z", "ms": 1189423772144.9465 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-09T12:41:14+02:00", "utc": "2007-09-09T10:41:14Z", "ms": 1189334474305.3787 }, "end": { "local": "2007-09-10T13:29:32+02:00", "utc": "2007-09-10T11:29:32Z", "ms": 1189423772144.9465 } }, "kaala": "nishita", "days": [ { "local_date": "2007-09-09", "window": { "start": { "local": "2007-09-09T23:41:40+02:00", "utc": "2007-09-09T21:41:40Z", "ms": 1189374100189.4 }, "end": { "local": "2007-09-10T00:29:40+02:00", "utc": "2007-09-09T22:29:40Z", "ms": 1189376980189.4 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-09-10", "window": { "start": { "local": "2007-09-10T23:41:19+02:00", "utc": "2007-09-10T21:41:19Z", "ms": 1189460479324.3994 }, "end": { "local": "2007-09-11T00:29:19+02:00", "utc": "2007-09-10T22:29:19Z", "ms": 1189463359324.3994 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:41 on Sun 9 Sep to 13:30 on Mon 10 Sep.", "fact": "2007-09-09T10:41:14Z → 2007-09-10T11:29:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 9th, 23:41–00:29 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 36707 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Sunday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-09", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Sunday 9 September. Caturdaśī runs from 12:41 on Sun 9 Sep to 13:30 on Mon 10 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-09-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8083, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2007-09-11T14:44:14+02:00", "utc": "2007-09-11T12:44:14Z", "ms": 1189514654008.2324 }, "end": { "local": "2007-09-12T16:23:33+02:00", "utc": "2007-09-12T14:23:33Z", "ms": 1189607013192.8015 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-11T14:44:14+02:00", "utc": "2007-09-11T12:44:14Z", "ms": 1189514654008.2324 }, "end": { "local": "2007-09-12T16:23:33+02:00", "utc": "2007-09-12T14:23:33Z", "ms": 1189607013192.8015 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-11", "window": { "start": { "local": "2007-09-11T11:41:31+02:00", "utc": "2007-09-11T09:41:31Z", "ms": 1189503691444.0024 }, "end": { "local": "2007-09-11T12:29:31+02:00", "utc": "2007-09-11T10:29:31Z", "ms": 1189506571444.0024 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-09-12", "window": { "start": { "local": "2007-09-12T11:41:10+02:00", "utc": "2007-09-12T09:41:10Z", "ms": 1189590070452.9985 }, "end": { "local": "2007-09-12T12:29:10+02:00", "utc": "2007-09-12T10:29:10Z", "ms": 1189592950452.9985 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:44 on Tue 11 Sep to 16:24 on Wed 12 Sep.", "fact": "2007-09-11T12:44:14Z → 2007-09-12T14:23:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 11th, 11:41–12:29 on the 12th.", "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 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: purvaviddha → only-day · margin 8083 s" }, { "step": "ruling", "text": "Rudra Vrata, Soweto, 2007: Wednesday 12 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": "2007-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-12", "confidence": "determinate" } ], "quote": "In Soweto, Rudra Vrata 2007 falls on Wednesday 12 September. Pratipadā runs from 14:44 on Tue 11 Sep to 16:24 on Wed 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21344, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2007-09-13T18:24:33+02:00", "utc": "2007-09-13T16:24:33Z", "ms": 1189700672860.0303 }, "end": { "local": "2007-09-14T20:42:34+02:00", "utc": "2007-09-14T18:42:34Z", "ms": 1189795354309.8015 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-13T18:24:33+02:00", "utc": "2007-09-13T16:24:33Z", "ms": 1189700672860.0303 }, "end": { "local": "2007-09-14T20:42:34+02:00", "utc": "2007-09-14T18:42:34Z", "ms": 1189795354309.8015 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-13", "window": { "start": { "local": "2007-09-13T11:40:49+02:00", "utc": "2007-09-13T09:40:49Z", "ms": 1189676449357.665 }, "end": { "local": "2007-09-13T12:28:49+02:00", "utc": "2007-09-13T10:28:49Z", "ms": 1189679329357.665 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-09-14", "window": { "start": { "local": "2007-09-14T11:40:28+02:00", "utc": "2007-09-14T09:40:28Z", "ms": 1189762828174.7305 }, "end": { "local": "2007-09-14T12:28:28+02:00", "utc": "2007-09-14T10:28:28Z", "ms": 1189765708174.7305 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:25 on Thu 13 Sep to 20:43 on Fri 14 Sep.", "fact": "2007-09-13T16:24:33Z → 2007-09-14T18:42:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 13th, 11:40–12:28 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 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21344 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Soweto, 2007: Friday 14 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": "2007-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-14", "confidence": "determinate" } ], "quote": "In Soweto, Haritālikā Vrata (Hartalika Teej) 2007 falls on Friday 14 September. Tṛtīyā runs from 18:25 on Thu 13 Sep to 20:43 on Fri 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29646, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-09-14T20:42:34+02:00", "utc": "2007-09-14T18:42:34Z", "ms": 1189795354309.8015 }, "end": { "local": "2007-09-15T23:10:51+02:00", "utc": "2007-09-15T21:10:51Z", "ms": 1189890651429.629 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-14T20:42:34+02:00", "utc": "2007-09-14T18:42:34Z", "ms": 1189795354309.8015 }, "end": { "local": "2007-09-15T23:10:51+02:00", "utc": "2007-09-15T21:10:51Z", "ms": 1189890651429.629 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-14", "window": { "start": { "local": "2007-09-14T11:40:28+02:00", "utc": "2007-09-14T09:40:28Z", "ms": 1189762828174.7305 }, "end": { "local": "2007-09-14T12:28:28+02:00", "utc": "2007-09-14T10:28:28Z", "ms": 1189765708174.7305 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-09-15", "window": { "start": { "local": "2007-09-15T11:40:07+02:00", "utc": "2007-09-15T09:40:07Z", "ms": 1189849206921.3481 }, "end": { "local": "2007-09-15T12:28:07+02:00", "utc": "2007-09-15T10:28:07Z", "ms": 1189852086921.3481 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:43 on Fri 14 Sep to 23:11 on Sat 15 Sep.", "fact": "2007-09-14T18:42:34Z → 2007-09-15T21:10:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 14th, 11:40–12:28 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 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: purvaviddha → only-day · margin 29646 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Soweto, 2007: Saturday 15 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": "2007-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-15", "confidence": "determinate" } ], "quote": "In Soweto, Gaṇeśa Caturthī 2007 falls on Saturday 15 September. Caturthī runs from 20:43 on Fri 14 Sep to 23:11 on Sat 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35939, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2007-09-15T23:10:51+02:00", "utc": "2007-09-15T21:10:51Z", "ms": 1189890651429.629 }, "end": { "local": "2007-09-17T01:40:25+02:00", "utc": "2007-09-16T23:40:25Z", "ms": 1189986025240.925 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-15T23:10:51+02:00", "utc": "2007-09-15T21:10:51Z", "ms": 1189890651429.629 }, "end": { "local": "2007-09-17T01:40:25+02:00", "utc": "2007-09-16T23:40:25Z", "ms": 1189986025240.925 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-16", "window": { "start": { "local": "2007-09-16T11:39:46+02:00", "utc": "2007-09-16T09:39:46Z", "ms": 1189935585615.1086 }, "end": { "local": "2007-09-16T12:27:46+02:00", "utc": "2007-09-16T10:27:46Z", "ms": 1189938465615.1086 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-09-17", "window": { "start": { "local": "2007-09-17T11:39:24+02:00", "utc": "2007-09-17T09:39:24Z", "ms": 1190021964274.038 }, "end": { "local": "2007-09-17T12:27:24+02:00", "utc": "2007-09-17T10:27:24Z", "ms": 1190024844274.038 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:11 on Sat 15 Sep to 01:40 on Mon 17 Sep.", "fact": "2007-09-15T21:10:51Z → 2007-09-16T23:40:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 16th, 11:39–12:27 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 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 35939 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Soweto, 2007: Sunday 16 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": "2007-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-16", "confidence": "determinate" } ], "quote": "In Soweto, Ṛṣi Pañcamī 2007 falls on Sunday 16 September. Pañcamī runs from 23:11 on Sat 15 Sep to 01:40 on Mon 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27512, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2007-09-17T01:40:25+02:00", "utc": "2007-09-16T23:40:25Z", "ms": 1189986025240.925 }, "end": { "local": "2007-09-18T04:00:31+02:00", "utc": "2007-09-18T02:00:31Z", "ms": 1190080830663.0042 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-17T01:40:25+02:00", "utc": "2007-09-16T23:40:25Z", "ms": 1189986025240.925 }, "end": { "local": "2007-09-18T04:00:31+02:00", "utc": "2007-09-18T02:00:31Z", "ms": 1190080830663.0042 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-17", "window": { "start": { "local": "2007-09-17T11:39:24+02:00", "utc": "2007-09-17T09:39:24Z", "ms": 1190021964274.038 }, "end": { "local": "2007-09-17T12:27:24+02:00", "utc": "2007-09-17T10:27:24Z", "ms": 1190024844274.038 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-09-18", "window": { "start": { "local": "2007-09-18T11:39:03+02:00", "utc": "2007-09-18T09:39:03Z", "ms": 1190108342916.5952 }, "end": { "local": "2007-09-18T12:27:03+02:00", "utc": "2007-09-18T10:27:03Z", "ms": 1190111222916.5952 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:40 on Mon 17 Sep to 04:01 on Tue 18 Sep.", "fact": "2007-09-16T23:40:25Z → 2007-09-18T02:00:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:39–12:27 on the 18th.", "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 17th and 0 of 48 on the 18th.", "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 27512 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Soweto, 2007: Monday 17 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": "2007-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-17", "confidence": "determinate" } ], "quote": "In Soweto, Sūrya Ṣaṣṭhī (Bhādrapada) 2007 falls on Monday 17 September. Ṣaṣṭhī runs from 01:40 on Mon 17 Sep to 04:01 on Tue 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20343, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2007-09-18T04:00:31+02:00", "utc": "2007-09-18T02:00:31Z", "ms": 1190080830663.0042 }, "end": { "local": "2007-09-19T05:59:39+02:00", "utc": "2007-09-19T03:59:39Z", "ms": 1190174378597.5925 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-18T04:00:31+02:00", "utc": "2007-09-18T02:00:31Z", "ms": 1190080830663.0042 }, "end": { "local": "2007-09-19T05:59:39+02:00", "utc": "2007-09-19T03:59:39Z", "ms": 1190174378597.5925 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-18", "window": { "start": { "local": "2007-09-18T11:39:03+02:00", "utc": "2007-09-18T09:39:03Z", "ms": 1190108342916.5952 }, "end": { "local": "2007-09-18T12:27:03+02:00", "utc": "2007-09-18T10:27:03Z", "ms": 1190111222916.5952 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-09-19", "window": { "start": { "local": "2007-09-19T11:38:42+02:00", "utc": "2007-09-19T09:38:42Z", "ms": 1190194721561.6824 }, "end": { "local": "2007-09-19T12:26:42+02:00", "utc": "2007-09-19T10:26:42Z", "ms": 1190197601561.6824 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:01 on Tue 18 Sep to 06:00 on Wed 19 Sep.", "fact": "2007-09-18T02:00:31Z → 2007-09-19T03:59:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 18th, 11:39–12:27 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20343 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Soweto, 2007: Tuesday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-18", "confidence": "determinate" } ], "quote": "In Soweto, Muktābharaṇa Vrata 2007 falls on Tuesday 18 September. Saptamī runs from 04:01 on Tue 18 Sep to 06:00 on Wed 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15078, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2007-09-19T05:59:39+02:00", "utc": "2007-09-19T03:59:39Z", "ms": 1190174378597.5925 }, "end": { "local": "2007-09-20T07:27:02+02:00", "utc": "2007-09-20T05:27:02Z", "ms": 1190266022166.268 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-19T05:59:39+02:00", "utc": "2007-09-19T03:59:39Z", "ms": 1190174378597.5925 }, "end": { "local": "2007-09-20T07:27:02+02:00", "utc": "2007-09-20T05:27:02Z", "ms": 1190266022166.268 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-19", "window": { "start": { "local": "2007-09-19T11:38:42+02:00", "utc": "2007-09-19T09:38:42Z", "ms": 1190194721561.6824 }, "end": { "local": "2007-09-19T12:26:42+02:00", "utc": "2007-09-19T10:26:42Z", "ms": 1190197601561.6824 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-09-20", "window": { "start": { "local": "2007-09-20T11:38:20+02:00", "utc": "2007-09-20T09:38:20Z", "ms": 1190281100228.6775 }, "end": { "local": "2007-09-20T12:26:20+02:00", "utc": "2007-09-20T10:26:20Z", "ms": 1190283980228.6775 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:00 on Wed 19 Sep to 07:27 on Thu 20 Sep.", "fact": "2007-09-19T03:59:39Z → 2007-09-20T05:27:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 19th, 11:38–12:26 on the 20th.", "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 19th and 0 of 48 on the 20th.", "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 15078 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Soweto, 2007: Wednesday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-19", "confidence": "determinate" } ], "quote": "In Soweto, Rādhāṣṭamī 2007 falls on Wednesday 19 September. Aṣṭamī runs from 06:00 on Wed 19 Sep to 07:27 on Thu 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-09-23", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5474, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-09-22T08:15:20+02:00", "utc": "2007-09-22T06:15:20Z", "ms": 1190441720118.9802 }, "end": { "local": "2007-09-23T07:29:07+02:00", "utc": "2007-09-23T05:29:07Z", "ms": 1190525346713.6885 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-22T08:15:20+02:00", "utc": "2007-09-22T06:15:20Z", "ms": 1190441720118.9802 }, "end": { "local": "2007-09-23T07:29:07+02:00", "utc": "2007-09-23T05:29:07Z", "ms": 1190525346713.6885 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-09-22", "window": { "start": { "local": "2007-09-22T05:59:00+02:00", "utc": "2007-09-22T03:59:00Z", "ms": 1190433539798.632 }, "end": { "local": "2007-09-22T05:59:00+02:00", "utc": "2007-09-22T03:59:00Z", "ms": 1190433539798.632 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-09-23", "window": { "start": { "local": "2007-09-23T05:57:53+02:00", "utc": "2007-09-23T03:57:53Z", "ms": 1190519872572.7104 }, "end": { "local": "2007-09-23T05:57:53+02:00", "utc": "2007-09-23T03:57:53Z", "ms": 1190519872572.7104 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:15 on Sat 22 Sep to 07:29 on Sun 23 Sep.", "fact": "2007-09-22T06:15:20Z → 2007-09-23T05:29:07Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 22nd and 05:58 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 5474 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Soweto, 2007: Sunday 23 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": "2007-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-23", "confidence": "determinate" } ], "quote": "In Soweto, Parivartanī Ekādaśī 2007 falls on Sunday 23 September. Ekādaśī runs from 08:15 on Sat 22 Sep to 07:29 on Sun 23 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14890, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2007-09-23T07:29:07+02:00", "utc": "2007-09-23T05:29:07Z", "ms": 1190525346713.6885 }, "end": { "local": "2007-09-24T05:57:11+02:00", "utc": "2007-09-24T03:57:11Z", "ms": 1190606230890.592 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-23T07:29:07+02:00", "utc": "2007-09-23T05:29:07Z", "ms": 1190525346713.6885 }, "end": { "local": "2007-09-24T05:57:11+02:00", "utc": "2007-09-24T03:57:11Z", "ms": 1190606230890.592 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-09-23", "window": { "start": { "local": "2007-09-23T11:37:17+02:00", "utc": "2007-09-23T09:37:17Z", "ms": 1190540236563.621 }, "end": { "local": "2007-09-23T12:25:17+02:00", "utc": "2007-09-23T10:25:17Z", "ms": 1190543116563.621 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-09-24", "window": { "start": { "local": "2007-09-24T11:36:56+02:00", "utc": "2007-09-24T09:36:56Z", "ms": 1190626615524.5073 }, "end": { "local": "2007-09-24T12:24:56+02:00", "utc": "2007-09-24T10:24:56Z", "ms": 1190629495524.5073 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:29 on Sun 23 Sep to 05:57 on Mon 24 Sep.", "fact": "2007-09-23T05:29:07Z → 2007-09-24T03:57:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 23rd, 11:37–12:25 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14890 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Soweto, 2007: Sunday 23 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": "2007-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-23", "confidence": "determinate" } ], "quote": "In Soweto, Vāmana Jayantī 2007 falls on Sunday 23 September. Dvādaśī runs from 07:29 on Sun 23 Sep to 05:57 on Mon 24 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-09-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29067, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-09-24T05:57:11+02:00", "utc": "2007-09-24T03:57:11Z", "ms": 1190606230890.592 }, "end": { "local": "2007-09-25T03:44:17+02:00", "utc": "2007-09-25T01:44:17Z", "ms": 1190684657494.9785 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-24T05:57:11+02:00", "utc": "2007-09-24T03:57:11Z", "ms": 1190606230890.592 }, "end": { "local": "2007-09-25T03:44:17+02:00", "utc": "2007-09-25T01:44:17Z", "ms": 1190684657494.9785 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-09-23", "window": { "start": { "local": "2007-09-23T18:04:41+02:00", "utc": "2007-09-23T16:04:41Z", "ms": 1190563480554.532 }, "end": { "local": "2007-09-23T19:39:37+02:00", "utc": "2007-09-23T17:39:37Z", "ms": 1190569177202.34 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2007-09-24", "window": { "start": { "local": "2007-09-24T18:05:06+02:00", "utc": "2007-09-24T16:05:06Z", "ms": 1190649905635.9219 }, "end": { "local": "2007-09-24T19:39:50+02:00", "utc": "2007-09-24T17:39:50Z", "ms": 1190655589997.5725 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:57 on Mon 24 Sep to 03:44 on Tue 25 Sep.", "fact": "2007-09-24T03:57:11Z → 2007-09-25T01:44:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:40 on the 23rd, 18:05–19:40 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 23rd and 95 of 95 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29067 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Monday 24 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": "2007-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-24", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Monday 24 September. Trayodaśī runs from 05:57 on Mon 24 Sep to 03:44 on Tue 25 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-09-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7881, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-09-25T03:44:17+02:00", "utc": "2007-09-25T01:44:17Z", "ms": 1190684657494.9785 }, "end": { "local": "2007-09-26T00:57:26+02:00", "utc": "2007-09-25T22:57:26Z", "ms": 1190761046112.5989 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2007-09-25T03:44:17+02:00", "utc": "2007-09-25T01:44:17Z", "ms": 1190684657494.9785 }, "end": { "local": "2007-09-26T00:57:26+02:00", "utc": "2007-09-25T22:57:26Z", "ms": 1190761046112.5989 } }, "kaala": "udaya-3", "days": [ { "local_date": "2007-09-25", "window": { "start": { "local": "2007-09-25T05:55:38+02:00", "utc": "2007-09-25T03:55:38Z", "ms": 1190692538348.3025 }, "end": { "local": "2007-09-25T08:21:37+02:00", "utc": "2007-09-25T06:21:37Z", "ms": 1190701296854.8242 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2007-09-26", "window": { "start": { "local": "2007-09-26T05:54:31+02:00", "utc": "2007-09-26T03:54:31Z", "ms": 1190778871407.448 }, "end": { "local": "2007-09-26T08:20:48+02:00", "utc": "2007-09-26T06:20:48Z", "ms": 1190787648387.7183 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:44 on Tue 25 Sep to 00:57 on Wed 26 Sep.", "fact": "2007-09-25T01:44:17Z → 2007-09-25T22:57:26Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:56–08:22 on the 25th, 05:55–08:21 on the 26th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 146 of 146 minutes on the 25th and 0 of 146 on the 26th.", "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 7881 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Soweto, 2007: Tuesday 25 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": "2007-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-25", "confidence": "determinate" } ], "quote": "In Soweto, Ananta Caturdaśī 2007 falls on Tuesday 25 September. Caturdaśī runs from 03:44 on Tue 25 Sep to 00:57 on Wed 26 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-09-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36535, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-09-29T11:12:15+02:00", "utc": "2007-09-29T09:12:15Z", "ms": 1191057135308.452 }, "end": { "local": "2007-09-30T07:55:21+02:00", "utc": "2007-09-30T05:55:21Z", "ms": 1191131720952.501 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-09-29T11:12:15+02:00", "utc": "2007-09-29T09:12:15Z", "ms": 1191057135308.452 }, "end": { "local": "2007-09-30T07:55:21+02:00", "utc": "2007-09-30T05:55:21Z", "ms": 1191131720952.501 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-09-29", "window": { "start": { "local": "2007-09-29T21:21:10+02:00", "utc": "2007-09-29T19:21:10Z", "ms": 1191093669909.0325 }, "end": { "local": "2007-09-29T21:21:10+02:00", "utc": "2007-09-29T19:21:10Z", "ms": 1191093669909.0325 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-09-30", "window": { "start": { "local": "2007-09-30T22:32:01+02:00", "utc": "2007-09-30T20:32:01Z", "ms": 1191184320748.57 }, "end": { "local": "2007-09-30T22:32:01+02:00", "utc": "2007-09-30T20:32:01Z", "ms": 1191184320748.57 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:12 on Sat 29 Sep to 07:55 on Sun 30 Sep.", "fact": "2007-09-29T09:12:15Z → 2007-09-30T05:55:21Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 29th and 22:32 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 36535 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Saturday 29 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": "2007-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-09-29", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Saturday 29 September. Caturthī runs from 11:12 on Sat 29 Sep to 07:55 on Sun 30 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10542, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2007-10-01T05:00:40+02:00", "utc": "2007-10-01T03:00:40Z", "ms": 1191207640154.6907 }, "end": { "local": "2007-10-02T02:35:42+02:00", "utc": "2007-10-02T00:35:42Z", "ms": 1191285342000.7156 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-01T05:00:40+02:00", "utc": "2007-10-01T03:00:40Z", "ms": 1191207640154.6907 }, "end": { "local": "2007-10-02T02:35:42+02:00", "utc": "2007-10-02T00:35:42Z", "ms": 1191285342000.7156 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-09-30", "window": { "start": { "local": "2007-09-30T22:32:01+02:00", "utc": "2007-09-30T20:32:01Z", "ms": 1191184320748.57 }, "end": { "local": "2007-09-30T22:32:01+02:00", "utc": "2007-09-30T20:32:01Z", "ms": 1191184320748.57 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-10-01", "window": { "start": { "local": "2007-10-01T23:40:00+02:00", "utc": "2007-10-01T21:40:00Z", "ms": 1191274800131.0825 }, "end": { "local": "2007-10-01T23:40:00+02:00", "utc": "2007-10-01T21:40:00Z", "ms": 1191274800131.0825 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:01 on Mon 1 Oct to 02:36 on Tue 2 Oct.", "fact": "2007-10-01T03:00:40Z → 2007-10-02T00:35:42Z" }, { "step": "kaala", "text": "Moonrise is at 22:32 on the 30th and 23:40 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 30th and is on the 1st.", "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 10542 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Soweto, 2007: Monday 1 October.", "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": "2007-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-01", "confidence": "determinate" } ], "quote": "In Soweto, Candra Ṣaṣṭhī 2007 falls on Monday 1 October. Ṣaṣṭhī runs from 05:01 on Mon 1 Oct to 02:36 on Tue 2 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-02", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 258, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2007-10-03T00:46:10+02:00", "utc": "2007-10-02T22:46:10Z", "ms": 1191365169537.3545 }, "end": { "local": "2007-10-03T23:35:33+02:00", "utc": "2007-10-03T21:35:33Z", "ms": 1191447333394.238 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-03T00:46:10+02:00", "utc": "2007-10-02T22:46:10Z", "ms": 1191365169537.3545 }, "end": { "local": "2007-10-03T23:35:33+02:00", "utc": "2007-10-03T21:35:33Z", "ms": 1191447333394.238 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-10-02", "window": { "start": { "local": "2007-10-03T00:41:52+02:00", "utc": "2007-10-02T22:41:52Z", "ms": 1191364911984.62 }, "end": { "local": "2007-10-03T00:41:52+02:00", "utc": "2007-10-02T22:41:52Z", "ms": 1191364911984.62 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-10-03", "window": { "start": { "local": "2007-10-04T01:35:42+02:00", "utc": "2007-10-03T23:35:42Z", "ms": 1191454542003.0854 }, "end": { "local": "2007-10-04T01:35:42+02:00", "utc": "2007-10-03T23:35:42Z", "ms": 1191454542003.0854 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:46 on Wed 3 Oct to 23:36 on Wed 3 Oct.", "fact": "2007-10-02T22:46:10Z → 2007-10-03T21:35:33Z" }, { "step": "kaala", "text": "Moonrise is at 00:42 on the 2nd and 01:36 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 2nd and is not on the 3rd.", "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 258 s < 300 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Soweto, 2007: Tuesday 2 October.", "fact": "confidence: boundary (margin, 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": "2007-10-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-02", "confidence": "boundary" } ], "quote": "In Soweto, Mahālakṣmī Vrata Samāpana 2007 falls on Tuesday 2 October. Aṣṭamī runs from 00:46 on Wed 3 Oct to 23:36 on Wed 3 Oct, and is current at moonrise on neither day. It is 4 min 18 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14019, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2007-10-03T00:46:10+02:00", "utc": "2007-10-02T22:46:10Z", "ms": 1191365169537.3545 }, "end": { "local": "2007-10-03T23:35:33+02:00", "utc": "2007-10-03T21:35:33Z", "ms": 1191447333394.238 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-03T00:46:10+02:00", "utc": "2007-10-02T22:46:10Z", "ms": 1191365169537.3545 }, "end": { "local": "2007-10-03T23:35:33+02:00", "utc": "2007-10-03T21:35:33Z", "ms": 1191447333394.238 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-10-02", "window": { "start": { "local": "2007-10-02T18:08:34+02:00", "utc": "2007-10-02T16:08:34Z", "ms": 1191341313829.672 }, "end": { "local": "2007-10-02T19:41:40+02:00", "utc": "2007-10-02T17:41:40Z", "ms": 1191346899825.8965 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2007-10-03", "window": { "start": { "local": "2007-10-03T18:09:01+02:00", "utc": "2007-10-03T16:09:01Z", "ms": 1191427741073.2437 }, "end": { "local": "2007-10-03T19:41:55+02:00", "utc": "2007-10-03T17:41:55Z", "ms": 1191433314786.7522 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:46 on Wed 3 Oct to 23:36 on Wed 3 Oct.", "fact": "2007-10-02T22:46:10Z → 2007-10-03T21:35:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:42 on the 2nd, 18:09–19:42 on the 3rd.", "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 2nd and 93 of 93 on the 3rd.", "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 14019 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Soweto, 2007: Wednesday 3 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": "2007-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-03", "confidence": "determinate" } ], "quote": "In Soweto, Jitāṣṭamī (Jitiya) 2007 falls on Wednesday 3 October. Aṣṭamī runs from 00:46 on Wed 3 Oct to 23:36 on Wed 3 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-10-06", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20790, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-10-05T23:12:54+02:00", "utc": "2007-10-05T21:12:54Z", "ms": 1191618773780.3652 }, "end": { "local": "2007-10-06T23:56:01+02:00", "utc": "2007-10-06T21:56:01Z", "ms": 1191707761494.7888 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-05T23:12:54+02:00", "utc": "2007-10-05T21:12:54Z", "ms": 1191618773780.3652 }, "end": { "local": "2007-10-06T23:56:01+02:00", "utc": "2007-10-06T21:56:01Z", "ms": 1191707761494.7888 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-10-06", "window": { "start": { "local": "2007-10-06T05:43:35+02:00", "utc": "2007-10-06T03:43:35Z", "ms": 1191642215361.32 }, "end": { "local": "2007-10-06T05:43:35+02:00", "utc": "2007-10-06T03:43:35Z", "ms": 1191642215361.32 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-10-07", "window": { "start": { "local": "2007-10-07T05:42:32+02:00", "utc": "2007-10-07T03:42:32Z", "ms": 1191728551728.3198 }, "end": { "local": "2007-10-07T05:42:32+02:00", "utc": "2007-10-07T03:42:32Z", "ms": 1191728551728.3198 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:13 on Fri 5 Oct to 23:56 on Sat 6 Oct.", "fact": "2007-10-05T21:12:54Z → 2007-10-06T21:56:01Z" }, { "step": "kaala", "text": "Sunrise is at 05:44 on the 6th and 05:43 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20790 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Soweto, 2007: Saturday 6 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": "2007-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-06", "confidence": "determinate" } ], "quote": "In Soweto, Indirā Ekādaśī 2007 falls on Saturday 6 October. Ekādaśī runs from 23:13 on Fri 5 Oct to 23:56 on Sat 6 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-10-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19596, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-10-08T01:09:34+02:00", "utc": "2007-10-07T23:09:34Z", "ms": 1191798573845.5105 }, "end": { "local": "2007-10-09T02:48:14+02:00", "utc": "2007-10-09T00:48:14Z", "ms": 1191890893581.7065 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-08T01:09:34+02:00", "utc": "2007-10-07T23:09:34Z", "ms": 1191798573845.5105 }, "end": { "local": "2007-10-09T02:48:14+02:00", "utc": "2007-10-09T00:48:14Z", "ms": 1191890893581.7065 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-10-07", "window": { "start": { "local": "2007-10-07T18:10:53+02:00", "utc": "2007-10-07T16:10:53Z", "ms": 1191773453360.06 }, "end": { "local": "2007-10-07T19:42:58+02:00", "utc": "2007-10-07T17:42:58Z", "ms": 1191778978053.741 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2007-10-08", "window": { "start": { "local": "2007-10-08T18:11:22+02:00", "utc": "2007-10-08T16:11:22Z", "ms": 1191859882309.03 }, "end": { "local": "2007-10-08T19:43:15+02:00", "utc": "2007-10-08T17:43:15Z", "ms": 1191865394786.5159 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:10 on Mon 8 Oct to 02:48 on Tue 9 Oct.", "fact": "2007-10-07T23:09:34Z → 2007-10-09T00:48:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:43 on the 7th, 18:11–19:43 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 7th and 92 of 92 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19596 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Monday 8 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": "2007-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-08", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Monday 8 October. Trayodaśī runs from 01:10 on Mon 8 Oct to 02:48 on Tue 9 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-10-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-10-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8899, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-10-09T02:48:14+02:00", "utc": "2007-10-09T00:48:14Z", "ms": 1191890893581.7065 }, "end": { "local": "2007-10-10T04:46:51+02:00", "utc": "2007-10-10T02:46:51Z", "ms": 1191984410544.993 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-09T02:48:14+02:00", "utc": "2007-10-09T00:48:14Z", "ms": 1191890893581.7065 }, "end": { "local": "2007-10-10T04:46:51+02:00", "utc": "2007-10-10T02:46:51Z", "ms": 1191984410544.993 } }, "kaala": "nishita", "days": [ { "local_date": "2007-10-08", "window": { "start": { "local": "2007-10-08T23:31:54+02:00", "utc": "2007-10-08T21:31:54Z", "ms": 1191879114099.602 }, "end": { "local": "2007-10-09T00:19:54+02:00", "utc": "2007-10-08T22:19:54Z", "ms": 1191881994099.602 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-10-09", "window": { "start": { "local": "2007-10-09T23:31:38+02:00", "utc": "2007-10-09T21:31:38Z", "ms": 1191965497681.229 }, "end": { "local": "2007-10-10T00:19:38+02:00", "utc": "2007-10-09T22:19:38Z", "ms": 1191968377681.229 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:48 on Tue 9 Oct to 04:47 on Wed 10 Oct.", "fact": "2007-10-09T00:48:14Z → 2007-10-10T02:46:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:32–00:20 on the 8th, 23:32–00:20 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8899 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Tuesday 9 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": "2007-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-09", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Tuesday 9 October. Caturdaśī runs from 02:48 on Tue 9 Oct to 04:47 on Wed 10 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-10-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22224, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2007-10-10T04:46:51+02:00", "utc": "2007-10-10T02:46:51Z", "ms": 1191984410544.993 }, "end": { "local": "2007-10-11T07:00:40+02:00", "utc": "2007-10-11T05:00:40Z", "ms": 1192078839889.267 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-10T04:46:51+02:00", "utc": "2007-10-10T02:46:51Z", "ms": 1191984410544.993 }, "end": { "local": "2007-10-11T07:00:40+02:00", "utc": "2007-10-11T05:00:40Z", "ms": 1192078839889.267 } }, "kaala": "aparahna", "days": [ { "local_date": "2007-10-10", "window": { "start": { "local": "2007-10-10T13:11:10+02:00", "utc": "2007-10-10T11:11:10Z", "ms": 1192014670285.6943 }, "end": { "local": "2007-10-10T15:41:46+02:00", "utc": "2007-10-10T13:41:46Z", "ms": 1192023705802.1123 } }, "covered_min": 151, "window_min": 151, "qualifies": true }, { "local_date": "2007-10-11", "window": { "start": { "local": "2007-10-11T13:11:04+02:00", "utc": "2007-10-11T11:11:04Z", "ms": 1192101063686.9116 }, "end": { "local": "2007-10-11T15:41:58+02:00", "utc": "2007-10-11T13:41:58Z", "ms": 1192110117540.2373 } }, "covered_min": 0, "window_min": 151, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 04:47 on Wed 10 Oct to 07:01 on Thu 11 Oct.", "fact": "2007-10-10T02:46:51Z → 2007-10-11T05:00:40Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:11–15:42 on the 10th, 13:11–15:42 on the 11th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 151 of 151 minutes on the 10th and 0 of 151 on the 11th.", "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 22224 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Soweto, 2007: Wednesday 10 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": "2007-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-10", "confidence": "determinate" } ], "quote": "In Soweto, Mahālaya Amāvāsyā 2007 falls on Wednesday 10 October. Amāvasyā runs from 04:47 on Wed 10 Oct to 07:01 on Thu 11 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7566, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2007-10-11T07:00:40+02:00", "utc": "2007-10-11T05:00:40Z", "ms": 1192078839889.267 }, "end": { "local": "2007-10-12T09:25:15+02:00", "utc": "2007-10-12T07:25:15Z", "ms": 1192173915166.0986 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-11T07:00:40+02:00", "utc": "2007-10-11T05:00:40Z", "ms": 1192078839889.267 }, "end": { "local": "2007-10-12T09:25:15+02:00", "utc": "2007-10-12T07:25:15Z", "ms": 1192173915166.0986 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-10-11", "window": { "start": { "local": "2007-10-11T11:31:37+02:00", "utc": "2007-10-11T09:31:37Z", "ms": 1192095096760.249 }, "end": { "local": "2007-10-11T12:19:37+02:00", "utc": "2007-10-11T10:19:37Z", "ms": 1192097976760.249 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-10-12", "window": { "start": { "local": "2007-10-12T11:31:21+02:00", "utc": "2007-10-12T09:31:21Z", "ms": 1192181481472.3525 }, "end": { "local": "2007-10-12T12:19:21+02:00", "utc": "2007-10-12T10:19:21Z", "ms": 1192184361472.3525 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:01 on Thu 11 Oct to 09:25 on Fri 12 Oct.", "fact": "2007-10-11T05:00:40Z → 2007-10-12T07:25:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 11th, 11:31–12:19 on the 12th.", "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 11th and 0 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 7566 s" }, { "step": "ruling", "text": "Navarātrārambha, Soweto, 2007: Thursday 11 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": "2007-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-11", "confidence": "determinate" } ], "quote": "In Soweto, Navarātrārambha (Navratri) 2007 falls on Thursday 11 October. Pratipadā runs from 07:01 on Thu 11 Oct to 09:25 on Fri 12 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-10-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7722, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-10-14T14:27:34+02:00", "utc": "2007-10-14T12:27:34Z", "ms": 1192364854030.8088 }, "end": { "local": "2007-10-15T16:53:15+02:00", "utc": "2007-10-15T14:53:15Z", "ms": 1192459995442.1216 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-14T14:27:34+02:00", "utc": "2007-10-14T12:27:34Z", "ms": 1192364854030.8088 }, "end": { "local": "2007-10-15T16:53:15+02:00", "utc": "2007-10-15T14:53:15Z", "ms": 1192459995442.1216 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-10-14", "window": { "start": { "local": "2007-10-14T11:30:52+02:00", "utc": "2007-10-14T09:30:52Z", "ms": 1192354252397.4553 }, "end": { "local": "2007-10-14T12:18:52+02:00", "utc": "2007-10-14T10:18:52Z", "ms": 1192357132397.4553 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-10-15", "window": { "start": { "local": "2007-10-15T11:30:39+02:00", "utc": "2007-10-15T09:30:39Z", "ms": 1192440638641.521 }, "end": { "local": "2007-10-15T12:18:39+02:00", "utc": "2007-10-15T10:18:39Z", "ms": 1192443518641.521 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:28 on Sun 14 Oct to 16:53 on Mon 15 Oct.", "fact": "2007-10-14T12:27:34Z → 2007-10-15T14:53:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 14th, 11:31–12:19 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 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7722 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Monday 15 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": "2007-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-15", "confidence": "determinate" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Monday 15 October. Caturthī runs from 14:28 on Sun 14 Oct to 16:53 on Mon 15 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-10-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26452, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2007-10-17T20:53:31+02:00", "utc": "2007-10-17T18:53:31Z", "ms": 1192647211494.8284 }, "end": { "local": "2007-10-18T22:09:40+02:00", "utc": "2007-10-18T20:09:40Z", "ms": 1192738180067.436 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-17T20:53:31+02:00", "utc": "2007-10-17T18:53:31Z", "ms": 1192647211494.8284 }, "end": { "local": "2007-10-18T22:09:40+02:00", "utc": "2007-10-18T20:09:40Z", "ms": 1192738180067.436 } }, "kaala": "udaya-1", "days": [ { "local_date": "2007-10-18", "window": { "start": { "local": "2007-10-18T05:31:28+02:00", "utc": "2007-10-18T03:31:28Z", "ms": 1192678288241.6914 }, "end": { "local": "2007-10-18T06:22:29+02:00", "utc": "2007-10-18T04:22:29Z", "ms": 1192681348567.3577 } }, "covered_min": 51, "window_min": 51, "qualifies": true }, { "local_date": "2007-10-19", "window": { "start": { "local": "2007-10-19T05:30:32+02:00", "utc": "2007-10-19T03:30:32Z", "ms": 1192764631908.094 }, "end": { "local": "2007-10-19T06:21:38+02:00", "utc": "2007-10-19T04:21:38Z", "ms": 1192767698211.8523 } }, "covered_min": 0, "window_min": 51, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:54 on Wed 17 Oct to 22:10 on Thu 18 Oct.", "fact": "2007-10-17T18:53:31Z → 2007-10-18T20:09:40Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:31–06:22 on the 18th, 05:31–06:22 on the 19th.", "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 18th and 0 of 51 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26452 s" }, { "step": "ruling", "text": "Durgā Saptamī, Soweto, 2007: Thursday 18 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": "2007-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-18", "confidence": "determinate" } ], "quote": "In Soweto, Durgā Saptamī 2007 falls on Thursday 18 October. Saptamī runs from 20:54 on Wed 17 Oct to 22:10 on Thu 18 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35499, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2007-10-18T22:09:40+02:00", "utc": "2007-10-18T20:09:40Z", "ms": 1192738180067.436 }, "end": { "local": "2007-10-19T22:45:19+02:00", "utc": "2007-10-19T20:45:19Z", "ms": 1192826718813.4668 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-18T22:09:40+02:00", "utc": "2007-10-18T20:09:40Z", "ms": 1192738180067.436 }, "end": { "local": "2007-10-19T22:45:19+02:00", "utc": "2007-10-19T20:45:19Z", "ms": 1192826718813.4668 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-10-18", "window": { "start": { "local": "2007-10-18T11:30:01+02:00", "utc": "2007-10-18T09:30:01Z", "ms": 1192699800684.1885 }, "end": { "local": "2007-10-18T12:18:01+02:00", "utc": "2007-10-18T10:18:01Z", "ms": 1192702680684.1885 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-10-19", "window": { "start": { "local": "2007-10-19T11:29:49+02:00", "utc": "2007-10-19T09:29:49Z", "ms": 1192786189186.2808 }, "end": { "local": "2007-10-19T12:17:49+02:00", "utc": "2007-10-19T10:17:49Z", "ms": 1192789069186.2808 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:10 on Thu 18 Oct to 22:45 on Fri 19 Oct.", "fact": "2007-10-18T20:09:40Z → 2007-10-19T20:45:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 18th, 11:30–12:18 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35499 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Soweto, 2007: Friday 19 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": "2007-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-19", "confidence": "determinate" } ], "quote": "In Soweto, Mahāṣṭamī (Durga Ashtami) 2007 falls on Friday 19 October. Aṣṭamī runs from 22:10 on Thu 18 Oct to 22:45 on Fri 19 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37030, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2007-10-19T22:45:19+02:00", "utc": "2007-10-19T20:45:19Z", "ms": 1192826718813.4668 }, "end": { "local": "2007-10-20T22:34:48+02:00", "utc": "2007-10-20T20:34:48Z", "ms": 1192912488198.7893 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-19T22:45:19+02:00", "utc": "2007-10-19T20:45:19Z", "ms": 1192826718813.4668 }, "end": { "local": "2007-10-20T22:34:48+02:00", "utc": "2007-10-20T20:34:48Z", "ms": 1192912488198.7893 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-10-19", "window": { "start": { "local": "2007-10-19T11:29:49+02:00", "utc": "2007-10-19T09:29:49Z", "ms": 1192786189186.2808 }, "end": { "local": "2007-10-19T12:17:49+02:00", "utc": "2007-10-19T10:17:49Z", "ms": 1192789069186.2808 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-10-20", "window": { "start": { "local": "2007-10-20T11:29:38+02:00", "utc": "2007-10-20T09:29:38Z", "ms": 1192872578291.35 }, "end": { "local": "2007-10-20T12:17:38+02:00", "utc": "2007-10-20T10:17:38Z", "ms": 1192875458291.35 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 22:45 on Fri 19 Oct to 22:35 on Sat 20 Oct.", "fact": "2007-10-19T20:45:19Z → 2007-10-20T20:34:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 19th, 11:30–12:18 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37030 s" }, { "step": "ruling", "text": "Mahānavamī, Soweto, 2007: Saturday 20 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": "2007-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-20", "confidence": "determinate" } ], "quote": "In Soweto, Mahānavamī 2007 falls on Saturday 20 October. Navamī runs from 22:45 on Fri 19 Oct to 22:35 on Sat 20 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10376, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2007-10-20T22:34:48+02:00", "utc": "2007-10-20T20:34:48Z", "ms": 1192912488198.7893 }, "end": { "local": "2007-10-21T21:35:44+02:00", "utc": "2007-10-21T19:35:44Z", "ms": 1192995343822.7341 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-20T22:34:48+02:00", "utc": "2007-10-20T20:34:48Z", "ms": 1192912488198.7893 }, "end": { "local": "2007-10-21T21:35:44+02:00", "utc": "2007-10-21T19:35:44Z", "ms": 1192995343822.7341 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-10-20", "window": { "start": { "local": "2007-10-20T11:29:38+02:00", "utc": "2007-10-20T09:29:38Z", "ms": 1192872578291.35 }, "end": { "local": "2007-10-20T12:17:38+02:00", "utc": "2007-10-20T10:17:38Z", "ms": 1192875458291.35 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-10-21", "window": { "start": { "local": "2007-10-21T11:29:28+02:00", "utc": "2007-10-21T09:29:28Z", "ms": 1192958968015.1792 }, "end": { "local": "2007-10-21T12:17:28+02:00", "utc": "2007-10-21T10:17:28Z", "ms": 1192961848015.1792 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 22:35 on Sat 20 Oct to 21:36 on Sun 21 Oct.", "fact": "2007-10-20T20:34:48Z → 2007-10-21T19:35:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 20th, 11:29–12:17 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10376 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Soweto, 2007: Sunday 21 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": "2007-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-21", "confidence": "determinate" } ], "quote": "In Soweto, Vijayā Daśamī (Dussehra) 2007 falls on Sunday 21 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 22:35 on Sat 20 Oct to 21:36 on Sun 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-10-22", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28324, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-10-21T21:35:44+02:00", "utc": "2007-10-21T19:35:44Z", "ms": 1192995343822.7341 }, "end": { "local": "2007-10-22T19:49:12+02:00", "utc": "2007-10-22T17:49:12Z", "ms": 1193075351797.4446 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-21T21:35:44+02:00", "utc": "2007-10-21T19:35:44Z", "ms": 1192995343822.7341 }, "end": { "local": "2007-10-22T19:49:12+02:00", "utc": "2007-10-22T17:49:12Z", "ms": 1193075351797.4446 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-10-22", "window": { "start": { "local": "2007-10-22T05:27:48+02:00", "utc": "2007-10-22T03:27:48Z", "ms": 1193023667679.9504 }, "end": { "local": "2007-10-22T05:27:48+02:00", "utc": "2007-10-22T03:27:48Z", "ms": 1193023667679.9504 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-10-23", "window": { "start": { "local": "2007-10-23T05:26:55+02:00", "utc": "2007-10-23T03:26:55Z", "ms": 1193110014620.445 }, "end": { "local": "2007-10-23T05:26:55+02:00", "utc": "2007-10-23T03:26:55Z", "ms": 1193110014620.445 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:36 on Sun 21 Oct to 19:49 on Mon 22 Oct.", "fact": "2007-10-21T19:35:44Z → 2007-10-22T17:49:12Z" }, { "step": "kaala", "text": "Sunrise is at 05:28 on the 22nd and 05:27 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28324 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Soweto, 2007: Monday 22 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": "2007-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-22", "confidence": "determinate" } ], "quote": "In Soweto, Pāśāṅkuśā Ekādaśī 2007 falls on Monday 22 October. Ekādaśī runs from 21:36 on Sun 21 Oct to 19:49 on Mon 22 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-10-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3591, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-10-23T17:19:33+02:00", "utc": "2007-10-23T15:19:33Z", "ms": 1193152773236.5872 }, "end": { "local": "2007-10-24T14:13:50+02:00", "utc": "2007-10-24T12:13:50Z", "ms": 1193228029693.6792 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2007-10-23T17:19:33+02:00", "utc": "2007-10-23T15:19:33Z", "ms": 1193152773236.5872 }, "end": { "local": "2007-10-24T14:13:50+02:00", "utc": "2007-10-24T12:13:50Z", "ms": 1193228029693.6792 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-10-23", "window": { "start": { "local": "2007-10-23T18:19:24+02:00", "utc": "2007-10-23T16:19:24Z", "ms": 1193156364149.223 }, "end": { "local": "2007-10-23T19:48:17+02:00", "utc": "2007-10-23T17:48:17Z", "ms": 1193161697256.0173 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "2007-10-24", "window": { "start": { "local": "2007-10-24T18:20:00+02:00", "utc": "2007-10-24T16:20:00Z", "ms": 1193242799680.321 }, "end": { "local": "2007-10-24T19:48:41+02:00", "utc": "2007-10-24T17:48:41Z", "ms": 1193248121216.0962 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:20 on Tue 23 Oct to 14:14 on Wed 24 Oct.", "fact": "2007-10-23T15:19:33Z → 2007-10-24T12:13:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:48 on the 23rd, 18:20–19:49 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 89 of 89 minutes on the 23rd and 0 of 89 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 3591 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Tuesday 23 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": "2007-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-23", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Tuesday 23 October. Trayodaśī runs from 17:20 on Tue 23 Oct to 14:14 on Wed 24 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-10-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6399, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-10-28T19:35:21+02:00", "utc": "2007-10-28T17:35:21Z", "ms": 1193592921037.742 }, "end": { "local": "2007-10-29T16:31:09+02:00", "utc": "2007-10-29T14:31:09Z", "ms": 1193668269434.2114 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-10-28T19:35:21+02:00", "utc": "2007-10-28T17:35:21Z", "ms": 1193592921037.742 }, "end": { "local": "2007-10-29T16:31:09+02:00", "utc": "2007-10-29T14:31:09Z", "ms": 1193668269434.2114 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-10-28", "window": { "start": { "local": "2007-10-28T21:22:00+02:00", "utc": "2007-10-28T19:22:00Z", "ms": 1193599319608.8167 }, "end": { "local": "2007-10-28T21:22:00+02:00", "utc": "2007-10-28T19:22:00Z", "ms": 1193599319608.8167 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-10-29", "window": { "start": { "local": "2007-10-29T22:29:17+02:00", "utc": "2007-10-29T20:29:17Z", "ms": 1193689756927.2751 }, "end": { "local": "2007-10-29T22:29:17+02:00", "utc": "2007-10-29T20:29:17Z", "ms": 1193689756927.2751 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:35 on Sun 28 Oct to 16:31 on Mon 29 Oct.", "fact": "2007-10-28T17:35:21Z → 2007-10-29T14:31:09Z" }, { "step": "kaala", "text": "Moonrise is at 21:22 on the 28th and 22:29 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6399 s" }, { "step": "ruling", "text": "Karaka Caturthī, Soweto, 2007: Sunday 28 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": "2007-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-28", "confidence": "determinate" } ], "quote": "In Soweto, Karaka Caturthī (Karwa Chauth) 2007 falls on Sunday 28 October. Caturthī runs from 19:35 on Sun 28 Oct to 16:31 on Mon 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-10-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6399, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-10-28T19:35:21+02:00", "utc": "2007-10-28T17:35:21Z", "ms": 1193592921037.742 }, "end": { "local": "2007-10-29T16:31:09+02:00", "utc": "2007-10-29T14:31:09Z", "ms": 1193668269434.2114 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-10-28T19:35:21+02:00", "utc": "2007-10-28T17:35:21Z", "ms": 1193592921037.742 }, "end": { "local": "2007-10-29T16:31:09+02:00", "utc": "2007-10-29T14:31:09Z", "ms": 1193668269434.2114 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-10-28", "window": { "start": { "local": "2007-10-28T21:22:00+02:00", "utc": "2007-10-28T19:22:00Z", "ms": 1193599319608.8167 }, "end": { "local": "2007-10-28T21:22:00+02:00", "utc": "2007-10-28T19:22:00Z", "ms": 1193599319608.8167 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-10-29", "window": { "start": { "local": "2007-10-29T22:29:17+02:00", "utc": "2007-10-29T20:29:17Z", "ms": 1193689756927.2751 }, "end": { "local": "2007-10-29T22:29:17+02:00", "utc": "2007-10-29T20:29:17Z", "ms": 1193689756927.2751 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:35 on Sun 28 Oct to 16:31 on Mon 29 Oct.", "fact": "2007-10-28T17:35:21Z → 2007-10-29T14:31:09Z" }, { "step": "kaala", "text": "Moonrise is at 21:22 on the 28th and 22:29 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6399 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Sunday 28 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": "2007-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-10-28", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Sunday 28 October. Caturthī runs from 19:35 on Sun 28 Oct to 16:31 on Mon 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37280, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2007-11-01T11:26:46+02:00", "utc": "2007-11-01T09:26:46Z", "ms": 1193909206335.8748 }, "end": { "local": "2007-11-02T11:21:43+02:00", "utc": "2007-11-02T09:21:43Z", "ms": 1193995303053.036 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-01T11:26:46+02:00", "utc": "2007-11-01T09:26:46Z", "ms": 1193909206335.8748 }, "end": { "local": "2007-11-02T11:21:43+02:00", "utc": "2007-11-02T09:21:43Z", "ms": 1193995303053.036 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-10-31", "window": { "start": { "local": "2007-11-01T00:18:23+02:00", "utc": "2007-10-31T22:18:23Z", "ms": 1193869102858.124 }, "end": { "local": "2007-11-01T00:18:23+02:00", "utc": "2007-10-31T22:18:23Z", "ms": 1193869102858.124 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-11-01", "window": { "start": { "local": "2007-11-02T01:00:23+02:00", "utc": "2007-11-01T23:00:23Z", "ms": 1193958023433.3298 }, "end": { "local": "2007-11-02T01:00:23+02:00", "utc": "2007-11-01T23:00:23Z", "ms": 1193958023433.3298 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:27 on Thu 1 Nov to 11:22 on Fri 2 Nov.", "fact": "2007-11-01T09:26:46Z → 2007-11-02T09:21:43Z" }, { "step": "kaala", "text": "Moonrise is at 00:18 on the 31st and 01:00 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 31st and is on the 1st.", "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 37280 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Soweto, 2007: Thursday 1 November.", "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": "2007-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-01", "confidence": "determinate" } ], "quote": "In Soweto, Ahoyī Aṣṭamī 2007 falls on Thursday 1 November. Aṣṭamī runs from 11:27 on Thu 1 Nov to 11:22 on Fri 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-11-05", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29189, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-11-04T13:24:05+02:00", "utc": "2007-11-04T11:24:05Z", "ms": 1194175444844.9211 }, "end": { "local": "2007-11-05T15:16:28+02:00", "utc": "2007-11-05T13:16:28Z", "ms": 1194268587683.7534 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-04T13:24:05+02:00", "utc": "2007-11-04T11:24:05Z", "ms": 1194175444844.9211 }, "end": { "local": "2007-11-05T15:16:28+02:00", "utc": "2007-11-05T13:16:28Z", "ms": 1194268587683.7534 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-11-04", "window": { "start": { "local": "2007-11-04T05:17:36+02:00", "utc": "2007-11-04T03:17:36Z", "ms": 1194146255782.655 }, "end": { "local": "2007-11-04T05:17:36+02:00", "utc": "2007-11-04T03:17:36Z", "ms": 1194146255782.655 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-11-05", "window": { "start": { "local": "2007-11-05T05:16:57+02:00", "utc": "2007-11-05T03:16:57Z", "ms": 1194232616570.228 }, "end": { "local": "2007-11-05T05:16:57+02:00", "utc": "2007-11-05T03:16:57Z", "ms": 1194232616570.228 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:24 on Sun 4 Nov to 15:16 on Mon 5 Nov.", "fact": "2007-11-04T11:24:05Z → 2007-11-05T13:16:28Z" }, { "step": "kaala", "text": "Sunrise is at 05:18 on the 4th and 05:17 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 29189 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Soweto, 2007: Monday 5 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": "2007-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-05", "confidence": "determinate" } ], "quote": "In Soweto, Ramā Ekādaśī 2007 falls on Monday 5 November. Ekādaśī runs from 13:24 on Sun 4 Nov to 15:16 on Mon 5 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3467, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2007-11-05T15:16:28+02:00", "utc": "2007-11-05T13:16:28Z", "ms": 1194268587683.7534 }, "end": { "local": "2007-11-06T17:30:37+02:00", "utc": "2007-11-06T15:30:37Z", "ms": 1194363037430.55 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-05T15:16:28+02:00", "utc": "2007-11-05T13:16:28Z", "ms": 1194268587683.7534 }, "end": { "local": "2007-11-06T17:30:37+02:00", "utc": "2007-11-06T15:30:37Z", "ms": 1194363037430.55 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-11-05", "window": { "start": { "local": "2007-11-05T18:27:43+02:00", "utc": "2007-11-05T16:27:43Z", "ms": 1194280062647.4973 }, "end": { "local": "2007-11-05T19:54:11+02:00", "utc": "2007-11-05T17:54:11Z", "ms": 1194285251442.3313 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2007-11-06", "window": { "start": { "local": "2007-11-06T18:28:24+02:00", "utc": "2007-11-06T16:28:24Z", "ms": 1194366504190.5603 }, "end": { "local": "2007-11-06T19:54:43+02:00", "utc": "2007-11-06T17:54:43Z", "ms": 1194371682554.4944 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:16 on Mon 5 Nov to 17:31 on Tue 6 Nov.", "fact": "2007-11-05T13:16:28Z → 2007-11-06T15:30:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–19:54 on the 5th, 18:28–19:55 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 5th and 0 of 86 on the 6th.", "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 3467 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Soweto, 2007: Monday 5 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": "2007-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-05", "confidence": "determinate" } ], "quote": "In Soweto, Govatsa Dvādaśī (Vasu Baras) 2007 falls on Monday 5 November. Dvādaśī runs from 15:16 on Mon 5 Nov to 17:31 on Tue 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-06", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 149, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-11-06T17:30:37+02:00", "utc": "2007-11-06T15:30:37Z", "ms": 1194363037430.55 }, "end": { "local": "2007-11-07T19:57:43+02:00", "utc": "2007-11-07T17:57:43Z", "ms": 1194458262723.603 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-06T17:30:37+02:00", "utc": "2007-11-06T15:30:37Z", "ms": 1194363037430.55 }, "end": { "local": "2007-11-07T19:57:43+02:00", "utc": "2007-11-07T17:57:43Z", "ms": 1194458262723.603 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-11-06", "window": { "start": { "local": "2007-11-06T18:28:24+02:00", "utc": "2007-11-06T16:28:24Z", "ms": 1194366504190.5603 }, "end": { "local": "2007-11-06T19:54:43+02:00", "utc": "2007-11-06T17:54:43Z", "ms": 1194371682554.4944 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2007-11-07", "window": { "start": { "local": "2007-11-07T18:29:06+02:00", "utc": "2007-11-07T16:29:06Z", "ms": 1194452946141.663 }, "end": { "local": "2007-11-07T19:55:14+02:00", "utc": "2007-11-07T17:55:14Z", "ms": 1194458114192.7893 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:31 on Tue 6 Nov to 19:58 on Wed 7 Nov.", "fact": "2007-11-06T15:30:37Z → 2007-11-07T17:57:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–19:55 on the 6th, 18:29–19:55 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 86 of 86 minutes on the 6th and 86 of 86 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 149 s < 300 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Soweto, 2007: Tuesday 6 November.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "2007-11-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-06", "confidence": "boundary" } ], "quote": "In Soweto, Yama Dīpadāna 2007 falls on Tuesday 6 November. Trayodaśī runs from 17:31 on Tue 6 Nov to 19:58 on Wed 7 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 86 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 29 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-11-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-06", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 149, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-11-06T17:30:37+02:00", "utc": "2007-11-06T15:30:37Z", "ms": 1194363037430.55 }, "end": { "local": "2007-11-07T19:57:43+02:00", "utc": "2007-11-07T17:57:43Z", "ms": 1194458262723.603 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-06T17:30:37+02:00", "utc": "2007-11-06T15:30:37Z", "ms": 1194363037430.55 }, "end": { "local": "2007-11-07T19:57:43+02:00", "utc": "2007-11-07T17:57:43Z", "ms": 1194458262723.603 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-11-06", "window": { "start": { "local": "2007-11-06T18:28:24+02:00", "utc": "2007-11-06T16:28:24Z", "ms": 1194366504190.5603 }, "end": { "local": "2007-11-06T19:54:43+02:00", "utc": "2007-11-06T17:54:43Z", "ms": 1194371682554.4944 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2007-11-07", "window": { "start": { "local": "2007-11-07T18:29:06+02:00", "utc": "2007-11-07T16:29:06Z", "ms": 1194452946141.663 }, "end": { "local": "2007-11-07T19:55:14+02:00", "utc": "2007-11-07T17:55:14Z", "ms": 1194458114192.7893 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:31 on Tue 6 Nov to 19:58 on Wed 7 Nov.", "fact": "2007-11-06T15:30:37Z → 2007-11-07T17:57:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–19:55 on the 6th, 18:29–19:55 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 86 of 86 minutes on the 6th and 86 of 86 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 149 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Tuesday 6 November.", "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": "2007-11-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-06", "confidence": "boundary" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Tuesday 6 November. Trayodaśī runs from 17:31 on Tue 6 Nov to 19:58 on Wed 7 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 86 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 29 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-11-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3467, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-11-07T19:57:43+02:00", "utc": "2007-11-07T17:57:43Z", "ms": 1194458262723.603 }, "end": { "local": "2007-11-08T22:30:24+02:00", "utc": "2007-11-08T20:30:24Z", "ms": 1194553823614.3813 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-07T19:57:43+02:00", "utc": "2007-11-07T17:57:43Z", "ms": 1194458262723.603 }, "end": { "local": "2007-11-08T22:30:24+02:00", "utc": "2007-11-08T20:30:24Z", "ms": 1194553823614.3813 } }, "kaala": "nishita", "days": [ { "local_date": "2007-11-07", "window": { "start": { "local": "2007-11-07T23:28:06+02:00", "utc": "2007-11-07T21:28:06Z", "ms": 1194470886333.3867 }, "end": { "local": "2007-11-08T00:16:06+02:00", "utc": "2007-11-07T22:16:06Z", "ms": 1194473766333.3867 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-11-08", "window": { "start": { "local": "2007-11-08T23:28:10+02:00", "utc": "2007-11-08T21:28:10Z", "ms": 1194557290464.148 }, "end": { "local": "2007-11-09T00:16:10+02:00", "utc": "2007-11-08T22:16:10Z", "ms": 1194560170464.148 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:58 on Wed 7 Nov to 22:30 on Thu 8 Nov.", "fact": "2007-11-07T17:57:43Z → 2007-11-08T20:30:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:28–00:16 on the 7th, 23:28–00:16 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 48 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": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3467 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Wednesday 7 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": "2007-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-07", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Wednesday 7 November. Caturdaśī runs from 19:58 on Wed 7 Nov to 22:30 on Thu 8 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-11-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19091, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-11-07T19:57:43+02:00", "utc": "2007-11-07T17:57:43Z", "ms": 1194458262723.603 }, "end": { "local": "2007-11-08T22:30:24+02:00", "utc": "2007-11-08T20:30:24Z", "ms": 1194553823614.3813 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-07T19:57:43+02:00", "utc": "2007-11-07T17:57:43Z", "ms": 1194458262723.603 }, "end": { "local": "2007-11-08T22:30:24+02:00", "utc": "2007-11-08T20:30:24Z", "ms": 1194553823614.3813 } }, "kaala": "arunodaya", "days": [ { "local_date": "2007-11-08", "window": { "start": { "local": "2007-11-08T03:48:58+02:00", "utc": "2007-11-08T01:48:58Z", "ms": 1194486538473.9841 }, "end": { "local": "2007-11-08T05:15:07+02:00", "utc": "2007-11-08T03:15:07Z", "ms": 1194491706525.1104 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2007-11-09", "window": { "start": { "local": "2007-11-09T03:48:35+02:00", "utc": "2007-11-09T01:48:35Z", "ms": 1194572914582.6758 }, "end": { "local": "2007-11-09T05:14:32+02:00", "utc": "2007-11-09T03:14:32Z", "ms": 1194578072443.9587 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:58 on Wed 7 Nov to 22:30 on Thu 8 Nov.", "fact": "2007-11-07T17:57:43Z → 2007-11-08T20:30:24Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 03:49–05:15 on the 8th, 03:49–05:15 on the 9th.", "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 86 of 86 minutes on the 8th and 0 of 86 on the 9th.", "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 19091 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Soweto, 2007: Thursday 8 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": "2007-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-08", "confidence": "determinate" } ], "quote": "In Soweto, Naraka Caturdaśī (Choti Diwali) 2007 falls on Thursday 8 November. Caturdaśī runs from 19:58 on Wed 7 Nov to 22:30 on Thu 8 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-08", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2809, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2007-11-08T22:30:24+02:00", "utc": "2007-11-08T20:30:24Z", "ms": 1194553823614.3813 }, "end": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-08T22:30:24+02:00", "utc": "2007-11-08T20:30:24Z", "ms": 1194553823614.3813 }, "end": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 } }, "kaala": "nishita", "days": [ { "local_date": "2007-11-08", "window": { "start": { "local": "2007-11-08T23:28:10+02:00", "utc": "2007-11-08T21:28:10Z", "ms": 1194557290464.148 }, "end": { "local": "2007-11-09T00:16:10+02:00", "utc": "2007-11-08T22:16:10Z", "ms": 1194560170464.148 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-11-09", "window": { "start": { "local": "2007-11-09T23:28:15+02:00", "utc": "2007-11-09T21:28:15Z", "ms": 1194643695448.2441 }, "end": { "local": "2007-11-10T00:16:15+02:00", "utc": "2007-11-09T22:16:15Z", "ms": 1194646575448.2441 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 22:30 on Thu 8 Nov to 01:03 on Sat 10 Nov.", "fact": "2007-11-08T20:30:24Z → 2007-11-09T23:03:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:28–00:16 on the 8th, 23:28–00:16 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "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 2809 s" }, { "step": "ruling", "text": "Kālī Pūjā, Soweto, 2007: Thursday 8 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2007-11-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-08", "confidence": "boundary" } ], "quote": "In Soweto, Kālī Pūjā 2007 falls on Thursday 8 November. Amāvasyā runs from 22:30 on Thu 8 Nov to 01:03 on Sat 10 Nov 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/soweto/festivals/2007/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": "/soweto/festivals/2007/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9277, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2007-11-08T22:30:24+02:00", "utc": "2007-11-08T20:30:24Z", "ms": 1194553823614.3813 }, "end": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-08T22:30:24+02:00", "utc": "2007-11-08T20:30:24Z", "ms": 1194553823614.3813 }, "end": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-11-08", "window": { "start": { "local": "2007-11-08T18:29:48+02:00", "utc": "2007-11-08T16:29:48Z", "ms": 1194539388484.337 }, "end": { "local": "2007-11-08T19:55:46+02:00", "utc": "2007-11-08T17:55:46Z", "ms": 1194544546345.6199 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2007-11-09", "window": { "start": { "local": "2007-11-09T18:30:31+02:00", "utc": "2007-11-09T16:30:31Z", "ms": 1194625831200.6323 }, "end": { "local": "2007-11-09T19:56:19+02:00", "utc": "2007-11-09T17:56:19Z", "ms": 1194630978999.9956 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 22:30 on Thu 8 Nov to 01:03 on Sat 10 Nov.", "fact": "2007-11-08T20:30:24Z → 2007-11-09T23:03:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–19:56 on the 8th, 18:31–19:56 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 86 minutes on the 8th and 86 of 86 on the 9th.", "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 9277 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Soweto, 2007: Friday 9 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": "2007-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-09", "confidence": "determinate" } ], "quote": "In Soweto, Lakṣmī Pūjā (Diwali) 2007 falls on Friday 9 November. Amāvasyā runs from 22:30 on Thu 8 Nov to 01:03 on Sat 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28633, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 }, "end": { "local": "2007-11-11T03:31:30+02:00", "utc": "2007-11-11T01:31:30Z", "ms": 1194744689611.6316 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 }, "end": { "local": "2007-11-11T03:31:30+02:00", "utc": "2007-11-11T01:31:30Z", "ms": 1194744689611.6316 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-11-10", "window": { "start": { "local": "2007-11-10T11:28:37+02:00", "utc": "2007-11-10T09:28:37Z", "ms": 1194686916983.5127 }, "end": { "local": "2007-11-10T12:16:37+02:00", "utc": "2007-11-10T10:16:37Z", "ms": 1194689796983.5127 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-11-11", "window": { "start": { "local": "2007-11-11T11:28:43+02:00", "utc": "2007-11-11T09:28:43Z", "ms": 1194773322987.2268 }, "end": { "local": "2007-11-11T12:16:43+02:00", "utc": "2007-11-11T10:16:43Z", "ms": 1194776202987.2268 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:03 on Sat 10 Nov to 03:31 on Sun 11 Nov.", "fact": "2007-11-09T23:03:05Z → 2007-11-11T01:31:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 10th, 11:29–12:17 on the 11th.", "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 10th and 0 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: purvaviddha → only-day · margin 28633 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Soweto, 2007: Saturday 10 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": "2007-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-10", "confidence": "determinate" } ], "quote": "In Soweto, Govardhana Pūjā 2007 falls on Saturday 10 November. Pratipadā runs from 01:03 on Sat 10 Nov to 03:31 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18406, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 }, "end": { "local": "2007-11-11T03:31:30+02:00", "utc": "2007-11-11T01:31:30Z", "ms": 1194744689611.6316 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 }, "end": { "local": "2007-11-11T03:31:30+02:00", "utc": "2007-11-11T01:31:30Z", "ms": 1194744689611.6316 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-11-09", "window": { "start": { "local": "2007-11-09T18:30:31+02:00", "utc": "2007-11-09T16:30:31Z", "ms": 1194625831200.6323 }, "end": { "local": "2007-11-09T19:56:19+02:00", "utc": "2007-11-09T17:56:19Z", "ms": 1194630978999.9956 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2007-11-10", "window": { "start": { "local": "2007-11-10T18:31:14+02:00", "utc": "2007-11-10T16:31:14Z", "ms": 1194712274271.169 }, "end": { "local": "2007-11-10T19:56:52+02:00", "utc": "2007-11-10T17:56:52Z", "ms": 1194717412141.5798 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:03 on Sat 10 Nov to 03:31 on Sun 11 Nov.", "fact": "2007-11-09T23:03:05Z → 2007-11-11T01:31:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–19:56 on the 9th, 18:31–19:57 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 86 minutes on the 9th and 86 of 86 on the 10th.", "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 18406 s" }, { "step": "ruling", "text": "Bali Pūjā, Soweto, 2007: Saturday 10 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": "2007-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-10", "confidence": "determinate" } ], "quote": "In Soweto, Bali Pūjā 2007 falls on Saturday 10 November. Pratipadā runs from 01:03 on Sat 10 Nov to 03:31 on Sun 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6119, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 }, "end": { "local": "2007-11-11T03:31:30+02:00", "utc": "2007-11-11T01:31:30Z", "ms": 1194744689611.6316 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-10T01:03:05+02:00", "utc": "2007-11-09T23:03:05Z", "ms": 1194649384572.9944 }, "end": { "local": "2007-11-11T03:31:30+02:00", "utc": "2007-11-11T01:31:30Z", "ms": 1194744689611.6316 } }, "kaala": "purvahna", "days": [ { "local_date": "2007-11-10", "window": { "start": { "local": "2007-11-10T05:14:00+02:00", "utc": "2007-11-10T03:14:00Z", "ms": 1194664439695.8562 }, "end": { "local": "2007-11-10T09:39:45+02:00", "utc": "2007-11-10T07:39:45Z", "ms": 1194680384554.2937 } }, "covered_min": 266, "window_min": 266, "qualifies": true }, { "local_date": "2007-11-11", "window": { "start": { "local": "2007-11-11T05:13:28+02:00", "utc": "2007-11-11T03:13:28Z", "ms": 1194750808299.2515 }, "end": { "local": "2007-11-11T09:39:38+02:00", "utc": "2007-11-11T07:39:38Z", "ms": 1194766778091.235 } }, "covered_min": 0, "window_min": 266, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:03 on Sat 10 Nov to 03:31 on Sun 11 Nov.", "fact": "2007-11-09T23:03:05Z → 2007-11-11T01:31:30Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:14–09:40 on the 10th, 05:13–09:40 on the 11th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 266 of 266 minutes on the 10th and 0 of 266 on the 11th.", "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 6119 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Soweto, 2007: Saturday 10 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": "2007-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-10", "confidence": "determinate" } ], "quote": "In Soweto, Dyūta Pratipad 2007 falls on Saturday 10 November. Pratipadā runs from 01:03 on Sat 10 Nov to 03:31 on Sun 11 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20215, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2007-11-11T03:31:30+02:00", "utc": "2007-11-11T01:31:30Z", "ms": 1194744689611.6316 }, "end": { "local": "2007-11-12T05:51:54+02:00", "utc": "2007-11-12T03:51:54Z", "ms": 1194839514347.309 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-11T03:31:30+02:00", "utc": "2007-11-11T01:31:30Z", "ms": 1194744689611.6316 }, "end": { "local": "2007-11-12T05:51:54+02:00", "utc": "2007-11-12T03:51:54Z", "ms": 1194839514347.309 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-11-11", "window": { "start": { "local": "2007-11-11T11:28:43+02:00", "utc": "2007-11-11T09:28:43Z", "ms": 1194773322987.2268 }, "end": { "local": "2007-11-11T12:16:43+02:00", "utc": "2007-11-11T10:16:43Z", "ms": 1194776202987.2268 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-11-12", "window": { "start": { "local": "2007-11-12T11:28:50+02:00", "utc": "2007-11-12T09:28:50Z", "ms": 1194859729831.267 }, "end": { "local": "2007-11-12T12:16:50+02:00", "utc": "2007-11-12T10:16:50Z", "ms": 1194862609831.267 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:31 on Sun 11 Nov to 05:52 on Mon 12 Nov.", "fact": "2007-11-11T01:31:30Z → 2007-11-12T03:51:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 11th, 11:29–12:17 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 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: purvaviddha → only-day · margin 20215 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Soweto, 2007: Sunday 11 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": "2007-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-11", "confidence": "determinate" } ], "quote": "In Soweto, Yama Dvitīyā (Bhai Dooj) 2007 falls on Sunday 11 November. Dvitīyā runs from 03:31 on Sun 11 Nov to 05:52 on Mon 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5861, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-11-13T08:00:14+02:00", "utc": "2007-11-13T06:00:14Z", "ms": 1194933613879.5222 }, "end": { "local": "2007-11-14T09:51:25+02:00", "utc": "2007-11-14T07:51:25Z", "ms": 1195026684812.826 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-13T08:00:14+02:00", "utc": "2007-11-13T06:00:14Z", "ms": 1194933613879.5222 }, "end": { "local": "2007-11-14T09:51:25+02:00", "utc": "2007-11-14T07:51:25Z", "ms": 1195026684812.826 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-11-13", "window": { "start": { "local": "2007-11-13T11:28:58+02:00", "utc": "2007-11-13T09:28:58Z", "ms": 1194946137512.502 }, "end": { "local": "2007-11-13T12:16:58+02:00", "utc": "2007-11-13T10:16:58Z", "ms": 1194949017512.502 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-11-14", "window": { "start": { "local": "2007-11-14T11:29:06+02:00", "utc": "2007-11-14T09:29:06Z", "ms": 1195032546026.9153 }, "end": { "local": "2007-11-14T12:17:06+02:00", "utc": "2007-11-14T10:17:06Z", "ms": 1195035426026.9153 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:00 on Tue 13 Nov to 09:51 on Wed 14 Nov.", "fact": "2007-11-13T06:00:14Z → 2007-11-14T07:51:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 13th, 11:29–12:17 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5861 s" }, { "step": "ruling", "text": "Nāga Caturthī, Soweto, 2007: Tuesday 13 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": "2007-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-13", "confidence": "determinate" } ], "quote": "In Soweto, Nāga Caturthī 2007 falls on Tuesday 13 November. Caturthī runs from 08:00 on Tue 13 Nov to 09:51 on Wed 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-11-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5861, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-11-13T08:00:14+02:00", "utc": "2007-11-13T06:00:14Z", "ms": 1194933613879.5222 }, "end": { "local": "2007-11-14T09:51:25+02:00", "utc": "2007-11-14T07:51:25Z", "ms": 1195026684812.826 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-13T08:00:14+02:00", "utc": "2007-11-13T06:00:14Z", "ms": 1194933613879.5222 }, "end": { "local": "2007-11-14T09:51:25+02:00", "utc": "2007-11-14T07:51:25Z", "ms": 1195026684812.826 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-11-13", "window": { "start": { "local": "2007-11-13T11:28:58+02:00", "utc": "2007-11-13T09:28:58Z", "ms": 1194946137512.502 }, "end": { "local": "2007-11-13T12:16:58+02:00", "utc": "2007-11-13T10:16:58Z", "ms": 1194949017512.502 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-11-14", "window": { "start": { "local": "2007-11-14T11:29:06+02:00", "utc": "2007-11-14T09:29:06Z", "ms": 1195032546026.9153 }, "end": { "local": "2007-11-14T12:17:06+02:00", "utc": "2007-11-14T10:17:06Z", "ms": 1195035426026.9153 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:00 on Tue 13 Nov to 09:51 on Wed 14 Nov.", "fact": "2007-11-13T06:00:14Z → 2007-11-14T07:51:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 13th, 11:29–12:17 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5861 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Tuesday 13 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": "2007-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-13", "confidence": "determinate" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Tuesday 13 November. Caturthī runs from 08:00 on Tue 13 Nov to 09:51 on Wed 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-15", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 31, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2007-11-15T11:19:16+02:00", "utc": "2007-11-15T09:19:16Z", "ms": 1195118355929.3918 }, "end": { "local": "2007-11-16T12:16:54+02:00", "utc": "2007-11-16T10:16:54Z", "ms": 1195208214298.0032 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-15T11:19:16+02:00", "utc": "2007-11-15T09:19:16Z", "ms": 1195118355929.3918 }, "end": { "local": "2007-11-16T12:16:54+02:00", "utc": "2007-11-16T10:16:54Z", "ms": 1195208214298.0032 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-11-15", "window": { "start": { "local": "2007-11-15T11:29:15+02:00", "utc": "2007-11-15T09:29:15Z", "ms": 1195118955369.6953 }, "end": { "local": "2007-11-15T12:17:15+02:00", "utc": "2007-11-15T10:17:15Z", "ms": 1195121835369.6953 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-11-16", "window": { "start": { "local": "2007-11-16T11:29:26+02:00", "utc": "2007-11-16T09:29:26Z", "ms": 1195205365535.3335 }, "end": { "local": "2007-11-16T12:17:26+02:00", "utc": "2007-11-16T10:17:26Z", "ms": 1195208245535.3335 } }, "covered_min": 47, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:19 on Thu 15 Nov to 12:17 on Fri 16 Nov.", "fact": "2007-11-15T09:19:16Z → 2007-11-16T10:16:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 15th, 11:29–12:17 on the 16th.", "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 15th and 47 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "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 31 s < 300 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Soweto, 2007: Thursday 15 November.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "2007-11-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-15", "confidence": "boundary" } ], "quote": "In Soweto, Sūrya Ṣaṣṭhī (Chhath) 2007 falls on Thursday 15 November. Ṣaṣṭhī runs from 11:19 on Thu 15 Nov to 12:17 on Fri 16 Nov and covers all of madhyāhna that midday. It also reaches the next 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 31 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-18", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 82, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2007-11-17T12:37:42+02:00", "utc": "2007-11-17T10:37:42Z", "ms": 1195295861992.7397 }, "end": { "local": "2007-11-18T12:16:27+02:00", "utc": "2007-11-18T10:16:27Z", "ms": 1195380986752.0596 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-17T12:37:42+02:00", "utc": "2007-11-17T10:37:42Z", "ms": 1195295861992.7397 }, "end": { "local": "2007-11-18T12:16:27+02:00", "utc": "2007-11-18T10:16:27Z", "ms": 1195380986752.0596 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-11-17", "window": { "start": { "local": "2007-11-17T11:29:37+02:00", "utc": "2007-11-17T09:29:37Z", "ms": 1195291776517.7393 }, "end": { "local": "2007-11-17T12:17:37+02:00", "utc": "2007-11-17T10:17:37Z", "ms": 1195294656517.7393 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-11-18", "window": { "start": { "local": "2007-11-18T11:29:48+02:00", "utc": "2007-11-18T09:29:48Z", "ms": 1195378188310.395 }, "end": { "local": "2007-11-18T12:17:48+02:00", "utc": "2007-11-18T10:17:48Z", "ms": 1195381068310.395 } }, "covered_min": 47, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:38 on Sat 17 Nov to 12:16 on Sun 18 Nov.", "fact": "2007-11-17T10:37:42Z → 2007-11-18T10:16:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 17th, 11:30–12:18 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 47 of 48 on the 18th.", "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 82 s < 300 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Soweto, 2007: Sunday 18 November.", "fact": "confidence: boundary (margin)" } ], "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": "2007-11-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-18", "confidence": "boundary" } ], "quote": "In Soweto, Gopāṣṭamī 2007 falls on Sunday 18 November. Aṣṭamī runs from 12:38 on Sat 17 Nov to 12:16 on Sun 18 Nov and covers 47 of 48 minutes of madhyāhna that midday. It is 1 min 22 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-18", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 82, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2007-11-18T12:16:27+02:00", "utc": "2007-11-18T10:16:27Z", "ms": 1195380986752.0596 }, "end": { "local": "2007-11-19T11:10:24+02:00", "utc": "2007-11-19T09:10:24Z", "ms": 1195463424353.5034 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-18T12:16:27+02:00", "utc": "2007-11-18T10:16:27Z", "ms": 1195380986752.0596 }, "end": { "local": "2007-11-19T11:10:24+02:00", "utc": "2007-11-19T09:10:24Z", "ms": 1195463424353.5034 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-11-18", "window": { "start": { "local": "2007-11-18T11:29:48+02:00", "utc": "2007-11-18T09:29:48Z", "ms": 1195378188310.395 }, "end": { "local": "2007-11-18T12:17:48+02:00", "utc": "2007-11-18T10:17:48Z", "ms": 1195381068310.395 } }, "covered_min": 1, "window_min": 48, "qualifies": true }, { "local_date": "2007-11-19", "window": { "start": { "local": "2007-11-19T11:30:01+02:00", "utc": "2007-11-19T09:30:01Z", "ms": 1195464600906.553 }, "end": { "local": "2007-11-19T12:18:01+02:00", "utc": "2007-11-19T10:18:01Z", "ms": 1195467480906.553 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 12:16 on Sun 18 Nov to 11:10 on Mon 19 Nov.", "fact": "2007-11-18T10:16:27Z → 2007-11-19T09:10:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 18th, 11:30–12:18 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 1 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 82 s < 300 s" }, { "step": "ruling", "text": "Durgā Navamī, Soweto, 2007: Sunday 18 November.", "fact": "confidence: boundary (margin)" } ], "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": "2007-11-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-18", "confidence": "determinate" } ], "quote": "In Soweto, Durgā Navamī 2007 falls on Sunday 18 November. Navamī runs from 12:16 on Sun 18 Nov to 11:10 on Mon 19 Nov and covers 1 of 48 minutes of madhyāhna that midday. It is 1 min 22 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5461, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2007-11-18T12:16:27+02:00", "utc": "2007-11-18T10:16:27Z", "ms": 1195380986752.0596 }, "end": { "local": "2007-11-19T11:10:24+02:00", "utc": "2007-11-19T09:10:24Z", "ms": 1195463424353.5034 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-18T12:16:27+02:00", "utc": "2007-11-18T10:16:27Z", "ms": 1195380986752.0596 }, "end": { "local": "2007-11-19T11:10:24+02:00", "utc": "2007-11-19T09:10:24Z", "ms": 1195463424353.5034 } }, "kaala": "purvahna", "days": [ { "local_date": "2007-11-18", "window": { "start": { "local": "2007-11-18T05:10:28+02:00", "utc": "2007-11-18T03:10:28Z", "ms": 1195355427767.1353 }, "end": { "local": "2007-11-18T09:39:21+02:00", "utc": "2007-11-18T07:39:21Z", "ms": 1195371561462.6416 } }, "covered_min": 0, "window_min": 269, "qualifies": false }, { "local_date": "2007-11-19", "window": { "start": { "local": "2007-11-19T05:10:08+02:00", "utc": "2007-11-19T03:10:08Z", "ms": 1195441807765.642 }, "end": { "local": "2007-11-19T09:39:23+02:00", "utc": "2007-11-19T07:39:23Z", "ms": 1195457963192.916 } }, "covered_min": 269, "window_min": 269, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 12:16 on Sun 18 Nov to 11:10 on Mon 19 Nov.", "fact": "2007-11-18T10:16:27Z → 2007-11-19T09:10:24Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:10–09:39 on the 18th, 05:10–09:39 on the 19th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 269 minutes on the 18th and 269 of 269 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5461 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Soweto, 2007: Monday 19 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-19", "confidence": "determinate" } ], "quote": "In Soweto, Akṣaya Navamī (Amla Navami) 2007 falls on Monday 19 November. Navamī runs from 12:16 on Sun 18 Nov to 11:10 on Mon 19 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-11-21", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5937, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-11-20T09:19:55+02:00", "utc": "2007-11-20T07:19:55Z", "ms": 1195543195159.709 }, "end": { "local": "2007-11-21T06:48:29+02:00", "utc": "2007-11-21T04:48:29Z", "ms": 1195620509225.9988 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-20T09:19:55+02:00", "utc": "2007-11-20T07:19:55Z", "ms": 1195543195159.709 }, "end": { "local": "2007-11-21T06:48:29+02:00", "utc": "2007-11-21T04:48:29Z", "ms": 1195620509225.9988 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-11-20", "window": { "start": { "local": "2007-11-20T05:09:49+02:00", "utc": "2007-11-20T03:09:49Z", "ms": 1195528189253.536 }, "end": { "local": "2007-11-20T05:09:49+02:00", "utc": "2007-11-20T03:09:49Z", "ms": 1195528189253.536 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-11-21", "window": { "start": { "local": "2007-11-21T05:09:32+02:00", "utc": "2007-11-21T03:09:32Z", "ms": 1195614572244.1533 }, "end": { "local": "2007-11-21T05:09:32+02:00", "utc": "2007-11-21T03:09:32Z", "ms": 1195614572244.1533 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:20 on Tue 20 Nov to 06:48 on Wed 21 Nov.", "fact": "2007-11-20T07:19:55Z → 2007-11-21T04:48:29Z" }, { "step": "kaala", "text": "Sunrise is at 05:10 on the 20th and 05:10 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5937 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Soweto, 2007: Wednesday 21 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": "2007-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-21", "confidence": "determinate" } ], "quote": "In Soweto, Prabodhinī Ekādaśī 2007 falls on Wednesday 21 November. Ekādaśī runs from 09:20 on Tue 20 Nov to 06:48 on Wed 21 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-11-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-11-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14779, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-11-22T03:42:26+02:00", "utc": "2007-11-22T01:42:26Z", "ms": 1195695745966.384 }, "end": { "local": "2007-11-23T00:10:20+02:00", "utc": "2007-11-22T22:10:20Z", "ms": 1195769419914.4326 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-22T03:42:26+02:00", "utc": "2007-11-22T01:42:26Z", "ms": 1195695745966.384 }, "end": { "local": "2007-11-23T00:10:20+02:00", "utc": "2007-11-22T22:10:20Z", "ms": 1195769419914.4326 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-11-21", "window": { "start": { "local": "2007-11-21T18:39:25+02:00", "utc": "2007-11-21T16:39:25Z", "ms": 1195663164720.898 }, "end": { "local": "2007-11-21T20:03:24+02:00", "utc": "2007-11-21T18:03:24Z", "ms": 1195668203658.1987 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2007-11-22", "window": { "start": { "local": "2007-11-22T18:40:10+02:00", "utc": "2007-11-22T16:40:10Z", "ms": 1195749610148.1406 }, "end": { "local": "2007-11-22T20:04:01+02:00", "utc": "2007-11-22T18:04:01Z", "ms": 1195754641166.5222 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:42 on Thu 22 Nov to 00:10 on Fri 23 Nov.", "fact": "2007-11-22T01:42:26Z → 2007-11-22T22:10:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:03 on the 21st, 18:40–20:04 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 84 minutes on the 21st and 84 of 84 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 14779 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Thursday 22 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": "2007-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-22", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Thursday 22 November. Trayodaśī runs from 03:42 on Thu 22 Nov to 00:10 on Fri 23 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-11-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11310, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-11-23T20:22:23+02:00", "utc": "2007-11-23T18:22:23Z", "ms": 1195842143100.9724 }, "end": { "local": "2007-11-24T16:29:50+02:00", "utc": "2007-11-24T14:29:50Z", "ms": 1195914590001.1704 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-23T20:22:23+02:00", "utc": "2007-11-23T18:22:23Z", "ms": 1195842143100.9724 }, "end": { "local": "2007-11-24T16:29:50+02:00", "utc": "2007-11-24T14:29:50Z", "ms": 1195914590001.1704 } }, "kaala": "nishita", "days": [ { "local_date": "2007-11-23", "window": { "start": { "local": "2007-11-23T23:30:53+02:00", "utc": "2007-11-23T21:30:53Z", "ms": 1195853452982.2637 }, "end": { "local": "2007-11-24T00:18:53+02:00", "utc": "2007-11-23T22:18:53Z", "ms": 1195856332982.2637 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-11-24", "window": { "start": { "local": "2007-11-24T23:31:10+02:00", "utc": "2007-11-24T21:31:10Z", "ms": 1195939870274.6685 }, "end": { "local": "2007-11-25T00:19:10+02:00", "utc": "2007-11-24T22:19:10Z", "ms": 1195942750274.6685 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:22 on Fri 23 Nov to 16:30 on Sat 24 Nov.", "fact": "2007-11-23T18:22:23Z → 2007-11-24T14:29:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:31–00:19 on the 23rd, 23:31–00:19 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "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 11310 s" }, { "step": "ruling", "text": "Rāsayātrā, Soweto, 2007: Friday 23 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": "2007-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-23", "confidence": "determinate" } ], "quote": "In Soweto, Rāsayātrā 2007 falls on Friday 23 November. Pūrṇimā runs from 20:22 on Fri 23 Nov to 16:30 on Sat 24 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15034, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-11-23T20:22:23+02:00", "utc": "2007-11-23T18:22:23Z", "ms": 1195842143100.9724 }, "end": { "local": "2007-11-24T16:29:50+02:00", "utc": "2007-11-24T14:29:50Z", "ms": 1195914590001.1704 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2007-11-23T20:22:23+02:00", "utc": "2007-11-23T18:22:23Z", "ms": 1195842143100.9724 }, "end": { "local": "2007-11-24T16:29:50+02:00", "utc": "2007-11-24T14:29:50Z", "ms": 1195914590001.1704 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-11-23", "window": { "start": { "local": "2007-11-23T11:30:59+02:00", "utc": "2007-11-23T09:30:59Z", "ms": 1195810259193.8096 }, "end": { "local": "2007-11-23T12:18:59+02:00", "utc": "2007-11-23T10:18:59Z", "ms": 1195813139193.8096 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-11-24", "window": { "start": { "local": "2007-11-24T11:31:16+02:00", "utc": "2007-11-24T09:31:16Z", "ms": 1195896675709.2725 }, "end": { "local": "2007-11-24T12:19:16+02:00", "utc": "2007-11-24T10:19:16Z", "ms": 1195899555709.2725 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:22 on Fri 23 Nov to 16:30 on Sat 24 Nov.", "fact": "2007-11-23T18:22:23Z → 2007-11-24T14:29:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 23rd, 11:31–12:19 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15034 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Soweto, 2007: Saturday 24 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": "2007-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-24", "confidence": "determinate" } ], "quote": "In Soweto, Kārtikī Pūrṇimā 2007 falls on Saturday 24 November. Pūrṇimā runs from 20:22 on Fri 23 Nov to 16:30 on Sat 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-11-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21437, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-11-27T06:21:34+02:00", "utc": "2007-11-27T04:21:34Z", "ms": 1196137294210.7278 }, "end": { "local": "2007-11-28T04:05:13+02:00", "utc": "2007-11-28T02:05:13Z", "ms": 1196215512659.3896 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-11-27T06:21:34+02:00", "utc": "2007-11-27T04:21:34Z", "ms": 1196137294210.7278 }, "end": { "local": "2007-11-28T04:05:13+02:00", "utc": "2007-11-28T02:05:13Z", "ms": 1196215512659.3896 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-11-26", "window": { "start": { "local": "2007-11-26T21:11:47+02:00", "utc": "2007-11-26T19:11:47Z", "ms": 1196104306626.0981 }, "end": { "local": "2007-11-26T21:11:47+02:00", "utc": "2007-11-26T19:11:47Z", "ms": 1196104306626.0981 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-11-27", "window": { "start": { "local": "2007-11-27T22:07:56+02:00", "utc": "2007-11-27T20:07:56Z", "ms": 1196194076042.5652 }, "end": { "local": "2007-11-27T22:07:56+02:00", "utc": "2007-11-27T20:07:56Z", "ms": 1196194076042.5652 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:22 on Tue 27 Nov to 04:05 on Wed 28 Nov.", "fact": "2007-11-27T04:21:34Z → 2007-11-28T02:05:13Z" }, { "step": "kaala", "text": "Moonrise is at 21:12 on the 26th and 22:08 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21437 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Tuesday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2007-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-11-27", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Tuesday 27 November. Caturthī runs from 06:22 on Tue 27 Nov to 04:05 on Wed 28 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/ekadashi?on=2007-12-05", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8142, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-12-04T07:23:55+02:00", "utc": "2007-12-04T05:23:55Z", "ms": 1196745835372.2273 }, "end": { "local": "2007-12-05T09:56:16+02:00", "utc": "2007-12-05T07:56:16Z", "ms": 1196841375659.9004 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-04T07:23:55+02:00", "utc": "2007-12-04T05:23:55Z", "ms": 1196745835372.2273 }, "end": { "local": "2007-12-05T09:56:16+02:00", "utc": "2007-12-05T07:56:16Z", "ms": 1196841375659.9004 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-12-04", "window": { "start": { "local": "2007-12-04T05:08:13+02:00", "utc": "2007-12-04T03:08:13Z", "ms": 1196737692981.9963 }, "end": { "local": "2007-12-04T05:08:13+02:00", "utc": "2007-12-04T03:08:13Z", "ms": 1196737692981.9963 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2007-12-05", "window": { "start": { "local": "2007-12-05T05:08:18+02:00", "utc": "2007-12-05T03:08:18Z", "ms": 1196824097998.068 }, "end": { "local": "2007-12-05T05:08:18+02:00", "utc": "2007-12-05T03:08:18Z", "ms": 1196824097998.068 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:24 on Tue 4 Dec to 09:56 on Wed 5 Dec.", "fact": "2007-12-04T05:23:55Z → 2007-12-05T07:56:16Z" }, { "step": "kaala", "text": "Sunrise is at 05:08 on the 4th and 05:08 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 8142 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Soweto, 2007: Wednesday 5 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": "2007-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-05", "confidence": "determinate" } ], "quote": "In Soweto, Utpannā Ekādaśī 2007 falls on Wednesday 5 December. Ekādaśī runs from 07:24 on Tue 4 Dec to 09:56 on Wed 5 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/pradosha-vrata?on=2007-12-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13406, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-12-06T12:34:00+02:00", "utc": "2007-12-06T10:34:00Z", "ms": 1196937239917.3857 }, "end": { "local": "2007-12-07T15:07:51+02:00", "utc": "2007-12-07T13:07:51Z", "ms": 1197032870903.333 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-06T12:34:00+02:00", "utc": "2007-12-06T10:34:00Z", "ms": 1196937239917.3857 }, "end": { "local": "2007-12-07T15:07:51+02:00", "utc": "2007-12-07T13:07:51Z", "ms": 1197032870903.333 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-12-06", "window": { "start": { "local": "2007-12-06T18:50:35+02:00", "utc": "2007-12-06T16:50:35Z", "ms": 1196959834915.1133 }, "end": { "local": "2007-12-06T20:12:59+02:00", "utc": "2007-12-06T18:12:59Z", "ms": 1196964778625.3643 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2007-12-07", "window": { "start": { "local": "2007-12-07T18:51:17+02:00", "utc": "2007-12-07T16:51:17Z", "ms": 1197046277273.507 }, "end": { "local": "2007-12-07T20:13:37+02:00", "utc": "2007-12-07T18:13:37Z", "ms": 1197051216629.6904 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:34 on Thu 6 Dec to 15:08 on Fri 7 Dec.", "fact": "2007-12-06T10:34:00Z → 2007-12-07T13:07:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:13 on the 6th, 18:51–20:14 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 82 of 82 minutes on the 6th and 0 of 82 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 13406 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Soweto, 2007: Thursday 6 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": "2007-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-06", "confidence": "determinate" } ], "quote": "In Soweto, Kṛṣṇa Pradoṣa Vrata 2007 falls on Thursday 6 December. Trayodaśī runs from 12:34 on Thu 6 Dec to 15:08 on Fri 7 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-12-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/shivaratri?on=2007-12-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21907, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2007-12-07T15:07:51+02:00", "utc": "2007-12-07T13:07:51Z", "ms": 1197032870903.333 }, "end": { "local": "2007-12-08T17:31:19+02:00", "utc": "2007-12-08T15:31:19Z", "ms": 1197127879083.9827 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-07T15:07:51+02:00", "utc": "2007-12-07T13:07:51Z", "ms": 1197032870903.333 }, "end": { "local": "2007-12-08T17:31:19+02:00", "utc": "2007-12-08T15:31:19Z", "ms": 1197127879083.9827 } }, "kaala": "nishita", "days": [ { "local_date": "2007-12-07", "window": { "start": { "local": "2007-12-07T23:36:00+02:00", "utc": "2007-12-07T21:36:00Z", "ms": 1197063359859.1943 }, "end": { "local": "2007-12-08T00:24:00+02:00", "utc": "2007-12-07T22:24:00Z", "ms": 1197066239859.1943 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-12-08", "window": { "start": { "local": "2007-12-08T23:36:26+02:00", "utc": "2007-12-08T21:36:26Z", "ms": 1197149786392.7473 }, "end": { "local": "2007-12-09T00:24:26+02:00", "utc": "2007-12-08T22:24:26Z", "ms": 1197152666392.7473 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:08 on Fri 7 Dec to 17:31 on Sat 8 Dec.", "fact": "2007-12-07T13:07:51Z → 2007-12-08T15:31:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 7th, 23:36–00:24 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 48 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": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21907 s" }, { "step": "ruling", "text": "Śivarātri, Soweto, 2007: Friday 7 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": "2007-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-07", "confidence": "determinate" } ], "quote": "In Soweto, Śivarātri 2007 falls on Friday 7 December. Caturdaśī runs from 15:08 on Fri 7 Dec to 17:31 on Sat 8 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/soweto/festivals/2007/shivaratri?on=2007-12-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/vinayaka-chaturthi?on=2007-12-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37668, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-12-13T00:20:31+02:00", "utc": "2007-12-12T22:20:31Z", "ms": 1197498031270.6287 }, "end": { "local": "2007-12-14T01:11:16+02:00", "utc": "2007-12-13T23:11:16Z", "ms": 1197587476303.9514 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-13T00:20:31+02:00", "utc": "2007-12-12T22:20:31Z", "ms": 1197498031270.6287 }, "end": { "local": "2007-12-14T01:11:16+02:00", "utc": "2007-12-13T23:11:16Z", "ms": 1197587476303.9514 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-12-13", "window": { "start": { "local": "2007-12-13T11:38:36+02:00", "utc": "2007-12-13T09:38:36Z", "ms": 1197538716159.3828 }, "end": { "local": "2007-12-13T12:26:36+02:00", "utc": "2007-12-13T10:26:36Z", "ms": 1197541596159.3828 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-12-14", "window": { "start": { "local": "2007-12-14T11:39:04+02:00", "utc": "2007-12-14T09:39:04Z", "ms": 1197625144312.3667 }, "end": { "local": "2007-12-14T12:27:04+02:00", "utc": "2007-12-14T10:27:04Z", "ms": 1197628024312.3667 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:21 on Thu 13 Dec to 01:11 on Fri 14 Dec.", "fact": "2007-12-12T22:20:31Z → 2007-12-13T23:11:16Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37668 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Soweto, 2007: Thursday 13 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": "2007-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-13", "confidence": "determinate" } ], "quote": "In Soweto, Vināyaka Caturthī 2007 falls on Thursday 13 December. Caturthī runs from 00:21 on Thu 13 Dec to 01:11 on Fri 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/vinayaka-chaturthi?on=2007-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36236, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2007-12-14T01:11:16+02:00", "utc": "2007-12-13T23:11:16Z", "ms": 1197587476303.9514 }, "end": { "local": "2007-12-15T01:35:37+02:00", "utc": "2007-12-14T23:35:37Z", "ms": 1197675337012.5027 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-14T01:11:16+02:00", "utc": "2007-12-13T23:11:16Z", "ms": 1197587476303.9514 }, "end": { "local": "2007-12-15T01:35:37+02:00", "utc": "2007-12-14T23:35:37Z", "ms": 1197675337012.5027 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-12-14", "window": { "start": { "local": "2007-12-14T11:39:04+02:00", "utc": "2007-12-14T09:39:04Z", "ms": 1197625144312.3667 }, "end": { "local": "2007-12-14T12:27:04+02:00", "utc": "2007-12-14T10:27:04Z", "ms": 1197628024312.3667 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-12-15", "window": { "start": { "local": "2007-12-15T11:39:33+02:00", "utc": "2007-12-15T09:39:33Z", "ms": 1197711572743.4963 }, "end": { "local": "2007-12-15T12:27:33+02:00", "utc": "2007-12-15T10:27:33Z", "ms": 1197714452743.4963 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:11 on Fri 14 Dec to 01:36 on Sat 15 Dec.", "fact": "2007-12-13T23:11:16Z → 2007-12-14T23:35:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 14th, 11:40–12:28 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 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36236 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Soweto, 2007: Friday 14 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": "2007-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-14", "confidence": "determinate" } ], "quote": "In Soweto, Nāga Pañcamī (Mārgaśīrṣa) 2007 falls on Friday 14 December. Pañcamī runs from 01:11 on Fri 14 Dec to 01:36 on Sat 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36236, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2007-12-15T01:35:37+02:00", "utc": "2007-12-14T23:35:37Z", "ms": 1197675337012.5027 }, "end": { "local": "2007-12-16T01:29:47+02:00", "utc": "2007-12-15T23:29:47Z", "ms": 1197761386638.254 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-15T01:35:37+02:00", "utc": "2007-12-14T23:35:37Z", "ms": 1197675337012.5027 }, "end": { "local": "2007-12-16T01:29:47+02:00", "utc": "2007-12-15T23:29:47Z", "ms": 1197761386638.254 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-12-15", "window": { "start": { "local": "2007-12-15T11:39:33+02:00", "utc": "2007-12-15T09:39:33Z", "ms": 1197711572743.4963 }, "end": { "local": "2007-12-15T12:27:33+02:00", "utc": "2007-12-15T10:27:33Z", "ms": 1197714452743.4963 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-12-16", "window": { "start": { "local": "2007-12-16T11:40:01+02:00", "utc": "2007-12-16T09:40:01Z", "ms": 1197798001418.0535 }, "end": { "local": "2007-12-16T12:28:01+02:00", "utc": "2007-12-16T10:28:01Z", "ms": 1197800881418.0535 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:36 on Sat 15 Dec to 01:30 on Sun 16 Dec.", "fact": "2007-12-14T23:35:37Z → 2007-12-15T23:29:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 15th, 11:40–12:28 on the 16th.", "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 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: paraviddha → only-day · margin 36236 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Soweto, 2007: Saturday 15 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": "2007-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-15", "confidence": "determinate" } ], "quote": "In Soweto, Campā Ṣaṣṭhī 2007 falls on Saturday 15 December. Ṣaṣṭhī runs from 01:36 on Sat 15 Dec to 01:30 on Sun 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36236, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2007-12-15T01:35:37+02:00", "utc": "2007-12-14T23:35:37Z", "ms": 1197675337012.5027 }, "end": { "local": "2007-12-16T01:29:47+02:00", "utc": "2007-12-15T23:29:47Z", "ms": 1197761386638.254 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-15T01:35:37+02:00", "utc": "2007-12-14T23:35:37Z", "ms": 1197675337012.5027 }, "end": { "local": "2007-12-16T01:29:47+02:00", "utc": "2007-12-15T23:29:47Z", "ms": 1197761386638.254 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-12-15", "window": { "start": { "local": "2007-12-15T11:39:33+02:00", "utc": "2007-12-15T09:39:33Z", "ms": 1197711572743.4963 }, "end": { "local": "2007-12-15T12:27:33+02:00", "utc": "2007-12-15T10:27:33Z", "ms": 1197714452743.4963 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-12-16", "window": { "start": { "local": "2007-12-16T11:40:01+02:00", "utc": "2007-12-16T09:40:01Z", "ms": 1197798001418.0535 }, "end": { "local": "2007-12-16T12:28:01+02:00", "utc": "2007-12-16T10:28:01Z", "ms": 1197800881418.0535 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:36 on Sat 15 Dec to 01:30 on Sun 16 Dec.", "fact": "2007-12-14T23:35:37Z → 2007-12-15T23:29:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 15th, 11:40–12:28 on the 16th.", "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 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: purvaviddha → only-day · margin 36236 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Soweto, 2007: Saturday 15 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": "2007-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-15", "confidence": "determinate" } ], "quote": "In Soweto, Skanda Ṣaṣṭhī 2007 falls on Saturday 15 December. Ṣaṣṭhī runs from 01:36 on Sat 15 Dec to 01:30 on Sun 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36615, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2007-12-16T01:29:47+02:00", "utc": "2007-12-15T23:29:47Z", "ms": 1197761386638.254 }, "end": { "local": "2007-12-17T00:50:26+02:00", "utc": "2007-12-16T22:50:26Z", "ms": 1197845426316.4707 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-16T01:29:47+02:00", "utc": "2007-12-15T23:29:47Z", "ms": 1197761386638.254 }, "end": { "local": "2007-12-17T00:50:26+02:00", "utc": "2007-12-16T22:50:26Z", "ms": 1197845426316.4707 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-12-16", "window": { "start": { "local": "2007-12-16T11:40:01+02:00", "utc": "2007-12-16T09:40:01Z", "ms": 1197798001418.0535 }, "end": { "local": "2007-12-16T12:28:01+02:00", "utc": "2007-12-16T10:28:01Z", "ms": 1197800881418.0535 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2007-12-17", "window": { "start": { "local": "2007-12-17T11:40:30+02:00", "utc": "2007-12-17T09:40:30Z", "ms": 1197884430301.6648 }, "end": { "local": "2007-12-17T12:28:30+02:00", "utc": "2007-12-17T10:28:30Z", "ms": 1197887310301.6648 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 01:30 on Sun 16 Dec to 00:50 on Mon 17 Dec.", "fact": "2007-12-15T23:29:47Z → 2007-12-16T22:50:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 16th, 11:41–12:29 on the 17th.", "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 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 36615 s" }, { "step": "ruling", "text": "Mitra Saptamī, Soweto, 2007: Sunday 16 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": "2007-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-16", "confidence": "determinate" } ], "quote": "In Soweto, Mitra Saptamī 2007 falls on Sunday 16 December. Saptamī runs from 01:30 on Sun 16 Dec to 00:50 on Mon 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/ekadashi?on=2007-12-20", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35398, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2007-12-19T19:22:35+02:00", "utc": "2007-12-19T17:22:35Z", "ms": 1198084954722.3489 }, "end": { "local": "2007-12-20T16:31:51+02:00", "utc": "2007-12-20T14:31:51Z", "ms": 1198161111257.779 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-19T19:22:35+02:00", "utc": "2007-12-19T17:22:35Z", "ms": 1198084954722.3489 }, "end": { "local": "2007-12-20T16:31:51+02:00", "utc": "2007-12-20T14:31:51Z", "ms": 1198161111257.779 } }, "kaala": "sunrise", "days": [ { "local_date": "2007-12-20", "window": { "start": { "local": "2007-12-20T05:12:32+02:00", "utc": "2007-12-20T03:12:32Z", "ms": 1198120352326.5444 }, "end": { "local": "2007-12-20T05:12:32+02:00", "utc": "2007-12-20T03:12:32Z", "ms": 1198120352326.5444 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-12-21", "window": { "start": { "local": "2007-12-21T05:13:00+02:00", "utc": "2007-12-21T03:13:00Z", "ms": 1198206780170.9336 }, "end": { "local": "2007-12-21T05:13:00+02:00", "utc": "2007-12-21T03:13:00Z", "ms": 1198206780170.9336 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:23 on Wed 19 Dec to 16:32 on Thu 20 Dec.", "fact": "2007-12-19T17:22:35Z → 2007-12-20T14:31:51Z" }, { "step": "kaala", "text": "Sunrise is at 05:13 on the 20th and 05:13 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 35398 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Soweto, 2007: Thursday 20 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": "2007-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-20", "confidence": "determinate" } ], "quote": "In Soweto, Mokṣadā Ekādaśī 2007 falls on Thursday 20 December. Ekādaśī runs from 19:23 on Wed 19 Dec to 16:32 on Thu 20 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/ekadashi?on=2007-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3000, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2007-12-20T16:31:51+02:00", "utc": "2007-12-20T14:31:51Z", "ms": 1198161111257.779 }, "end": { "local": "2007-12-21T13:20:27+02:00", "utc": "2007-12-21T11:20:27Z", "ms": 1198236027153.5334 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-20T16:31:51+02:00", "utc": "2007-12-20T14:31:51Z", "ms": 1198161111257.779 }, "end": { "local": "2007-12-21T13:20:27+02:00", "utc": "2007-12-21T11:20:27Z", "ms": 1198236027153.5334 } }, "kaala": "madhyahna", "days": [ { "local_date": "2007-12-20", "window": { "start": { "local": "2007-12-20T11:41:58+02:00", "utc": "2007-12-20T09:41:58Z", "ms": 1198143717873.6392 }, "end": { "local": "2007-12-20T12:29:58+02:00", "utc": "2007-12-20T10:29:58Z", "ms": 1198146597873.6392 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2007-12-21", "window": { "start": { "local": "2007-12-21T11:42:27+02:00", "utc": "2007-12-21T09:42:27Z", "ms": 1198230147265.087 }, "end": { "local": "2007-12-21T12:30:27+02:00", "utc": "2007-12-21T10:30:27Z", "ms": 1198233027265.087 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:32 on Thu 20 Dec to 13:20 on Fri 21 Dec.", "fact": "2007-12-20T14:31:51Z → 2007-12-21T11:20:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 20th, 11:42–12:30 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3000 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Soweto, 2007: Friday 21 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": "2007-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-21", "confidence": "determinate" } ], "quote": "In Soweto, Akhaṇḍa Dvādaśī 2007 falls on Friday 21 December. Dvādaśī runs from 16:32 on Thu 20 Dec to 13:20 on Fri 21 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/pradosha-vrata?on=2007-12-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20367, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2007-12-21T13:20:27+02:00", "utc": "2007-12-21T11:20:27Z", "ms": 1198236027153.5334 }, "end": { "local": "2007-12-22T09:57:11+02:00", "utc": "2007-12-22T07:57:11Z", "ms": 1198310230594.9353 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-21T13:20:27+02:00", "utc": "2007-12-21T11:20:27Z", "ms": 1198236027153.5334 }, "end": { "local": "2007-12-22T09:57:11+02:00", "utc": "2007-12-22T07:57:11Z", "ms": 1198310230594.9353 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-12-21", "window": { "start": { "local": "2007-12-21T18:59:54+02:00", "utc": "2007-12-21T16:59:54Z", "ms": 1198256394359.24 }, "end": { "local": "2007-12-21T20:21:43+02:00", "utc": "2007-12-21T18:21:43Z", "ms": 1198261303007.4067 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2007-12-22", "window": { "start": { "local": "2007-12-22T19:00:24+02:00", "utc": "2007-12-22T17:00:24Z", "ms": 1198342824192.1802 }, "end": { "local": "2007-12-22T20:22:13+02:00", "utc": "2007-12-22T18:22:13Z", "ms": 1198347732892.692 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:20 on Fri 21 Dec to 09:57 on Sat 22 Dec.", "fact": "2007-12-21T11:20:27Z → 2007-12-22T07:57:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:22 on the 21st, 19:00–20:22 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 82 of 82 minutes on the 21st and 0 of 82 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 20367 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Soweto, 2007: Friday 21 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": "2007-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-21", "confidence": "determinate" } ], "quote": "In Soweto, Śukla Pradoṣa Vrata 2007 falls on Friday 21 December. Trayodaśī runs from 13:20 on Fri 21 Dec to 09:57 on Sat 22 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/pradosha-vrata?on=2007-12-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/soweto/festivals/2007/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24774, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2007-12-23T06:32:00+02:00", "utc": "2007-12-23T04:32:00Z", "ms": 1198384320402.554 }, "end": { "local": "2007-12-24T03:15:36+02:00", "utc": "2007-12-24T01:15:36Z", "ms": 1198458935537.7766 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-23T06:32:00+02:00", "utc": "2007-12-23T04:32:00Z", "ms": 1198384320402.554 }, "end": { "local": "2007-12-24T03:15:36+02:00", "utc": "2007-12-24T01:15:36Z", "ms": 1198458935537.7766 } }, "kaala": "pradosha", "days": [ { "local_date": "2007-12-22", "window": { "start": { "local": "2007-12-22T19:00:24+02:00", "utc": "2007-12-22T17:00:24Z", "ms": 1198342824192.1802 }, "end": { "local": "2007-12-22T20:22:13+02:00", "utc": "2007-12-22T18:22:13Z", "ms": 1198347732892.692 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2007-12-23", "window": { "start": { "local": "2007-12-23T19:00:53+02:00", "utc": "2007-12-23T17:00:53Z", "ms": 1198429252890.5093 }, "end": { "local": "2007-12-23T20:22:42+02:00", "utc": "2007-12-23T18:22:42Z", "ms": 1198434161947.54 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:32 on Sun 23 Dec to 03:16 on Mon 24 Dec.", "fact": "2007-12-23T04:32:00Z → 2007-12-24T01:15:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:22 on the 22nd, 19:01–20:23 on the 23rd.", "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 22nd and 82 of 82 on the 23rd.", "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 24774 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Soweto, 2007: Sunday 23 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": "2007-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-23", "confidence": "determinate" } ], "quote": "In Soweto, Dattātreyotpatti (Datta Jayanti) 2007 falls on Sunday 23 December. Pūrṇimā runs from 06:32 on Sun 23 Dec to 03:16 on Mon 24 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/soweto/festivals/2007/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": "/soweto/festivals/2007/sankashta-chaturthi?on=2007-12-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "953781", "year": 2007, "local_date": "2007-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4992, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2007-12-26T20:03:52+02:00", "utc": "2007-12-26T18:03:52Z", "ms": 1198692231769.8962 }, "end": { "local": "2007-12-27T19:02:10+02:00", "utc": "2007-12-27T17:02:10Z", "ms": 1198774929665.9307 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2007-12-26T20:03:52+02:00", "utc": "2007-12-26T18:03:52Z", "ms": 1198692231769.8962 }, "end": { "local": "2007-12-27T19:02:10+02:00", "utc": "2007-12-27T17:02:10Z", "ms": 1198774929665.9307 } }, "kaala": "moonrise", "days": [ { "local_date": "2007-12-26", "window": { "start": { "local": "2007-12-26T21:27:03+02:00", "utc": "2007-12-26T19:27:03Z", "ms": 1198697223322.449 }, "end": { "local": "2007-12-26T21:27:03+02:00", "utc": "2007-12-26T19:27:03Z", "ms": 1198697223322.449 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2007-12-27", "window": { "start": { "local": "2007-12-27T22:04:29+02:00", "utc": "2007-12-27T20:04:29Z", "ms": 1198785869344.8992 }, "end": { "local": "2007-12-27T22:04:29+02:00", "utc": "2007-12-27T20:04:29Z", "ms": 1198785869344.8992 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:04 on Wed 26 Dec to 19:02 on Thu 27 Dec.", "fact": "2007-12-26T18:03:52Z → 2007-12-27T17:02:10Z" }, { "step": "kaala", "text": "Moonrise is at 21:27 on the 26th and 22:04 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4992 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Soweto, 2007: Wednesday 26 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": "2007-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2007-12-26", "confidence": "determinate" } ], "quote": "In Soweto, Saṅkaṣṭa Caturthī 2007 falls on Wednesday 26 December. Caturthī runs from 20:04 on Wed 26 Dec to 19:02 on Thu 27 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/soweto/festivals/2007/sankashta-chaturthi?on=2007-12-26", "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" } }