{ "id": "/ujjain/festivals/2027", "place": { "id": "1253914", "slug": "ujjain", "name": "Ujjain", "region": "Madhya Pradesh, India", "country": "IN", "lat": 23.18239, "lon": 75.77643, "elevation_m": 494, "tz": "Asia/Kolkata" }, "year": 2027, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/ujjain/festivals/2027/ekadashi?on=2027-01-03", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26162, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-01-02T14:24:40+05:30", "utc": "2027-01-02T08:54:40Z", "ms": 1798880080342.9307 }, "end": { "local": "2027-01-03T16:08:50+05:30", "utc": "2027-01-03T10:38:50Z", "ms": 1798972730144.926 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-01-02T14:24:40+05:30", "utc": "2027-01-02T08:54:40Z", "ms": 1798880080342.9307 }, "end": { "local": "2027-01-03T16:08:50+05:30", "utc": "2027-01-03T10:38:50Z", "ms": 1798972730144.926 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-01-02", "window": { "start": { "local": "2027-01-02T07:08:39+05:30", "utc": "2027-01-02T01:38:39Z", "ms": 1798853918534.4666 }, "end": { "local": "2027-01-02T07:08:39+05:30", "utc": "2027-01-02T01:38:39Z", "ms": 1798853918534.4666 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-01-03", "window": { "start": { "local": "2027-01-03T07:08:56+05:30", "utc": "2027-01-03T01:38:56Z", "ms": 1798940335509.4702 }, "end": { "local": "2027-01-03T07:08:56+05:30", "utc": "2027-01-03T01:38:56Z", "ms": 1798940335509.4702 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:25 on Sat 2 Jan to 16:09 on Sun 3 Jan.", "fact": "2027-01-02T08:54:40Z → 2027-01-03T10:38:50Z" }, { "step": "kaala", "text": "Sunrise is at 07:09 on the 2nd and 07:09 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26162 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Ujjain, 2027: Sunday 3 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": "2027-01-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-03", "confidence": "determinate" } ], "quote": "In Ujjain, Saphalā Ekādaśī 2027 falls on Sunday 3 January. Ekādaśī runs from 14:25 on Sat 2 Jan to 16:09 on Sun 3 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-01-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-01-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1319, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-01-04T18:16:10+05:30", "utc": "2027-01-04T12:46:10Z", "ms": 1799066769614.2727 }, "end": { "local": "2027-01-05T20:40:04+05:30", "utc": "2027-01-05T15:10:04Z", "ms": 1799161804040.9353 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-01-04T18:16:10+05:30", "utc": "2027-01-04T12:46:10Z", "ms": 1799066769614.2727 }, "end": { "local": "2027-01-05T20:40:04+05:30", "utc": "2027-01-05T15:10:04Z", "ms": 1799161804040.9353 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-01-04", "window": { "start": { "local": "2027-01-04T17:54:10+05:30", "utc": "2027-01-04T12:24:10Z", "ms": 1799065450279.8667 }, "end": { "local": "2027-01-04T19:40:12+05:30", "utc": "2027-01-04T14:10:12Z", "ms": 1799071812333.0283 } }, "covered_min": 84, "window_min": 106, "qualifies": true }, { "local_date": "2027-01-05", "window": { "start": { "local": "2027-01-05T17:54:51+05:30", "utc": "2027-01-05T12:24:51Z", "ms": 1799151890575.3284 }, "end": { "local": "2027-01-05T19:40:49+05:30", "utc": "2027-01-05T14:10:49Z", "ms": 1799158249009.148 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:16 on Mon 4 Jan to 20:40 on Tue 5 Jan.", "fact": "2027-01-04T12:46:10Z → 2027-01-05T15:10:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:40 on the 4th, 17:55–19:41 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 106 minutes on the 4th and 106 of 106 on the 5th.", "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 1319 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Tuesday 5 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-01-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-05", "confidence": "boundary" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Tuesday 5 January. Trayodaśī runs from 18:16 on Mon 4 Jan to 20:40 on Tue 5 Jan and covers all of pradoṣa that evening. It also reaches the previous evening for 84 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/ujjain/festivals/2027/pradosha-vrata?on=2027-01-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-01-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3244, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-01-05T20:40:04+05:30", "utc": "2027-01-05T15:10:04Z", "ms": 1799161804040.9353 }, "end": { "local": "2027-01-06T23:14:37+05:30", "utc": "2027-01-06T17:44:37Z", "ms": 1799257476946.0854 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-01-05T20:40:04+05:30", "utc": "2027-01-05T15:10:04Z", "ms": 1799161804040.9353 }, "end": { "local": "2027-01-06T23:14:37+05:30", "utc": "2027-01-06T17:44:37Z", "ms": 1799257476946.0854 } }, "kaala": "nishita", "days": [ { "local_date": "2027-01-05", "window": { "start": { "local": "2027-01-06T00:08:15+05:30", "utc": "2027-01-05T18:38:15Z", "ms": 1799174294702.1516 }, "end": { "local": "2027-01-06T00:56:15+05:30", "utc": "2027-01-05T19:26:15Z", "ms": 1799177174702.1516 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-01-06", "window": { "start": { "local": "2027-01-07T00:08:41+05:30", "utc": "2027-01-06T18:38:41Z", "ms": 1799260720990.803 }, "end": { "local": "2027-01-07T00:56:41+05:30", "utc": "2027-01-06T19:26:41Z", "ms": 1799263600990.803 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:40 on Tue 5 Jan to 23:15 on Wed 6 Jan.", "fact": "2027-01-05T15:10:04Z → 2027-01-06T17:44:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 5th, 00:09–00:57 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3244 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Tuesday 5 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": "2027-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-05", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Tuesday 5 January. Caturdaśī runs from 20:40 on Tue 5 Jan to 23:15 on Wed 6 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-01-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-01-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2483, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-01-11T09:28:51+05:30", "utc": "2027-01-11T03:58:51Z", "ms": 1799639931453.042 }, "end": { "local": "2027-01-12T11:29:43+05:30", "utc": "2027-01-12T05:59:43Z", "ms": 1799733583403.729 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-01-11T09:28:51+05:30", "utc": "2027-01-11T03:58:51Z", "ms": 1799639931453.042 }, "end": { "local": "2027-01-12T11:29:43+05:30", "utc": "2027-01-12T05:59:43Z", "ms": 1799733583403.729 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-01-11", "window": { "start": { "local": "2027-01-11T12:10:42+05:30", "utc": "2027-01-11T06:40:42Z", "ms": 1799649642368.9314 }, "end": { "local": "2027-01-11T12:58:42+05:30", "utc": "2027-01-11T07:28:42Z", "ms": 1799652522368.9314 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-01-12", "window": { "start": { "local": "2027-01-12T12:11:06+05:30", "utc": "2027-01-12T06:41:06Z", "ms": 1799736066138.5337 }, "end": { "local": "2027-01-12T12:59:06+05:30", "utc": "2027-01-12T07:29:06Z", "ms": 1799738946138.5337 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:29 on Mon 11 Jan to 11:30 on Tue 12 Jan.", "fact": "2027-01-11T03:58:51Z → 2027-01-12T05:59:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 11th, 12:11–12:59 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2483 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Monday 11 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-11", "confidence": "boundary" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Monday 11 January. Caturthī runs from 09:29 on Mon 11 Jan to 11:30 on Tue 12 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11357, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 }, "end": { "local": "2027-02-13T10:09:05+05:30", "utc": "2027-02-13T04:39:05Z", "ms": 1802493544656.0022 } }, "span": { "of": "transit", "start": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 }, "end": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 } }, "kaala": "sunset-day", "days": [ { "local_date": "2027-01-14", "window": { "start": { "local": "2027-01-13T18:00:25+05:30", "utc": "2027-01-13T12:30:25Z", "ms": 1799843425491.3594 }, "end": { "local": "2027-01-14T18:01:08+05:30", "utc": "2027-01-14T12:31:08Z", "ms": 1799929868304.036 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2027-01-15", "window": { "start": { "local": "2027-01-14T18:01:08+05:30", "utc": "2027-01-14T12:31:08Z", "ms": 1799929868304.036 }, "end": { "local": "2027-01-15T18:01:51+05:30", "utc": "2027-01-15T12:31:51Z", "ms": 1800016311197.4634 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2027-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 21:10 on Thu 14 Jan.", "fact": "2027-01-14T15:40:25Z · 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 18:01, and the day of the 15th ends at 18:02.", "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 14th and 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 sunset → only-day · margin 11357 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Ujjain, 2027: Thursday 14 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": "2027-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2027-01-13", "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": "2027-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-01-14" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Bhogi 2027 falls on Thursday 14 January. It is kept the day before Pongal, which falls on Friday 15 January. The Sun enters Makara at 21:10 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10175, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 }, "end": { "local": "2027-02-13T10:09:05+05:30", "utc": "2027-02-13T04:39:05Z", "ms": 1802493544656.0022 } }, "span": { "of": "transit", "start": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 }, "end": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 } }, "kaala": "civil-day", "days": [ { "local_date": "2027-01-14", "window": { "start": { "local": "2027-01-14T00:00:00+05:30", "utc": "2027-01-13T18:30:00Z", "ms": 1799865000000 }, "end": { "local": "2027-01-15T00:00:00+05:30", "utc": "2027-01-14T18:30:00Z", "ms": 1799951400000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2027-01-15", "window": { "start": { "local": "2027-01-15T00:00:00+05:30", "utc": "2027-01-14T18:30:00Z", "ms": 1799951400000 }, "end": { "local": "2027-01-16T00:00:00+05:30", "utc": "2027-01-15T18:30:00Z", "ms": 1800037800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 21:10 on Thu 14 Jan.", "fact": "2027-01-14T15:40:25Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Ujjain.", "fact": "civil-day: midnight-to-midnight · Asia/Kolkata" }, { "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 10175 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Ujjain, 2027: Thursday 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": "2027-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2027-01-14", "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": "2027-01-15", "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." } }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-01-15" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Makara Saṅkrānti 2027 falls on Thursday 14 January. The Sun enters Makara at 21:10 on Thu 14 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 January. Rashtriya Panchang recorded 15 January (Principal festivals, 2026-27).", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11357, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 }, "end": { "local": "2027-02-13T10:09:05+05:30", "utc": "2027-02-13T04:39:05Z", "ms": 1802493544656.0022 } }, "span": { "of": "transit", "start": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 }, "end": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 } }, "kaala": "sunset-day", "days": [ { "local_date": "2027-01-14", "window": { "start": { "local": "2027-01-13T18:00:25+05:30", "utc": "2027-01-13T12:30:25Z", "ms": 1799843425491.3594 }, "end": { "local": "2027-01-14T18:01:08+05:30", "utc": "2027-01-14T12:31:08Z", "ms": 1799929868304.036 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2027-01-15", "window": { "start": { "local": "2027-01-14T18:01:08+05:30", "utc": "2027-01-14T12:31:08Z", "ms": 1799929868304.036 }, "end": { "local": "2027-01-15T18:01:51+05:30", "utc": "2027-01-15T12:31:51Z", "ms": 1800016311197.4634 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 21:10 on Thu 14 Jan.", "fact": "2027-01-14T15:40:25Z · 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 18:01, and the day of the 15th ends at 18:02.", "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 14th and 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 sunset → only-day · margin 11357 s" }, { "step": "ruling", "text": "Pongal, Ujjain, 2027: Friday 15 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": "2027-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2027-01-14", "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": "2027-01-14", "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": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-01-15" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Pongal (Tai Pongal) 2027 falls on Friday 15 January. The Sun enters Makara at 21:10 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11357, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 }, "end": { "local": "2027-02-13T10:09:05+05:30", "utc": "2027-02-13T04:39:05Z", "ms": 1802493544656.0022 } }, "span": { "of": "transit", "start": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 }, "end": { "local": "2027-01-14T21:10:25+05:30", "utc": "2027-01-14T15:40:25Z", "ms": 1799941225251.633 } }, "kaala": "sunset-day", "days": [ { "local_date": "2027-01-14", "window": { "start": { "local": "2027-01-13T18:00:25+05:30", "utc": "2027-01-13T12:30:25Z", "ms": 1799843425491.3594 }, "end": { "local": "2027-01-14T18:01:08+05:30", "utc": "2027-01-14T12:31:08Z", "ms": 1799929868304.036 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2027-01-15", "window": { "start": { "local": "2027-01-14T18:01:08+05:30", "utc": "2027-01-14T12:31:08Z", "ms": 1799929868304.036 }, "end": { "local": "2027-01-15T18:01:51+05:30", "utc": "2027-01-15T12:31:51Z", "ms": 1800016311197.4634 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2027-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 21:10 on Thu 14 Jan.", "fact": "2027-01-14T15:40:25Z · 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 18:01, and the day of the 15th ends at 18:02.", "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 14th and 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 sunset → only-day · margin 11357 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Ujjain, 2027: Saturday 16 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": "2027-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2027-01-15", "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": "2027-01-15", "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." } }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-01-16" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mattu Pongal 2027 falls on Saturday 16 January. It is kept the day after Pongal, which falls on Friday 15 January. The Sun enters Makara at 21:10 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-01-19", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2375, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-01-18T10:27:34+05:30", "utc": "2027-01-18T04:57:34Z", "ms": 1800248253698.4268 }, "end": { "local": "2027-01-19T07:50:00+05:30", "utc": "2027-01-19T02:20:00Z", "ms": 1800325199553.9133 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-01-18T10:27:34+05:30", "utc": "2027-01-18T04:57:34Z", "ms": 1800248253698.4268 }, "end": { "local": "2027-01-19T07:50:00+05:30", "utc": "2027-01-19T02:20:00Z", "ms": 1800325199553.9133 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-01-18", "window": { "start": { "local": "2027-01-18T07:10:30+05:30", "utc": "2027-01-18T01:40:30Z", "ms": 1800236429738.279 }, "end": { "local": "2027-01-18T07:10:30+05:30", "utc": "2027-01-18T01:40:30Z", "ms": 1800236429738.279 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-01-19", "window": { "start": { "local": "2027-01-19T07:10:25+05:30", "utc": "2027-01-19T01:40:25Z", "ms": 1800322824792.149 }, "end": { "local": "2027-01-19T07:10:25+05:30", "utc": "2027-01-19T01:40:25Z", "ms": 1800322824792.149 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:28 on Mon 18 Jan to 07:50 on Tue 19 Jan.", "fact": "2027-01-18T04:57:34Z → 2027-01-19T02:20:00Z" }, { "step": "kaala", "text": "Sunrise is at 07:10 on the 18th and 07:10 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2375 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Ujjain, 2027: Tuesday 19 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": "2027-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-19", "confidence": "determinate" } ], "quote": "In Ujjain, Putradā Ekādaśī 2027 falls on Tuesday 19 January. Ekādaśī runs from 10:28 on Mon 18 Jan to 07:50 on Tue 19 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-01-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19322, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-01-20T04:41:52+05:30", "utc": "2027-01-19T23:11:52Z", "ms": 1800400312229.1233 }, "end": { "local": "2027-01-21T01:12:06+05:30", "utc": "2027-01-20T19:42:06Z", "ms": 1800474125906.1755 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-01-20T04:41:52+05:30", "utc": "2027-01-19T23:11:52Z", "ms": 1800400312229.1233 }, "end": { "local": "2027-01-21T01:12:06+05:30", "utc": "2027-01-20T19:42:06Z", "ms": 1800474125906.1755 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-01-19", "window": { "start": { "local": "2027-01-19T18:04:43+05:30", "utc": "2027-01-19T12:34:43Z", "ms": 1800362082893.9612 }, "end": { "local": "2027-01-19T19:49:28+05:30", "utc": "2027-01-19T14:19:28Z", "ms": 1800368367631.453 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2027-01-20", "window": { "start": { "local": "2027-01-20T18:05:26+05:30", "utc": "2027-01-20T12:35:26Z", "ms": 1800448525694.4814 }, "end": { "local": "2027-01-20T19:50:04+05:30", "utc": "2027-01-20T14:20:04Z", "ms": 1800454803687.7605 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:42 on Wed 20 Jan to 01:12 on Thu 21 Jan.", "fact": "2027-01-19T23:11:52Z → 2027-01-20T19:42:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:49 on the 19th, 18:05–19:50 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 19th and 105 of 105 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19322 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Wednesday 20 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": "2027-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-20", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Wednesday 20 January. Trayodaśī runs from 04:42 on Wed 20 Jan to 01:12 on Thu 21 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-01-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-01-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31185, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-01-25T08:10:53+05:30", "utc": "2027-01-25T02:40:53Z", "ms": 1800844852797.5562 }, "end": { "local": "2027-01-26T06:00:40+05:30", "utc": "2027-01-26T00:30:40Z", "ms": 1800923440269.3596 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-01-25T08:10:53+05:30", "utc": "2027-01-25T02:40:53Z", "ms": 1800844852797.5562 }, "end": { "local": "2027-01-26T06:00:40+05:30", "utc": "2027-01-26T00:30:40Z", "ms": 1800923440269.3596 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-01-24", "window": { "start": { "local": "2027-01-24T20:19:20+05:30", "utc": "2027-01-24T14:49:20Z", "ms": 1800802159815.2705 }, "end": { "local": "2027-01-24T20:19:20+05:30", "utc": "2027-01-24T14:49:20Z", "ms": 1800802159815.2705 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-01-25", "window": { "start": { "local": "2027-01-25T21:20:56+05:30", "utc": "2027-01-25T15:50:56Z", "ms": 1800892255670.4517 }, "end": { "local": "2027-01-25T21:20:56+05:30", "utc": "2027-01-25T15:50:56Z", "ms": 1800892255670.4517 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:11 on Mon 25 Jan to 06:01 on Tue 26 Jan.", "fact": "2027-01-25T02:40:53Z → 2027-01-26T00:30:40Z" }, { "step": "kaala", "text": "Moonrise is at 20:19 on the 24th and 21:21 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31185 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Monday 25 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": "2027-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-01-25", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Monday 25 January. Caturthī runs from 08:11 on Mon 25 Jan to 06:01 on Tue 26 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-01-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ekadashi?on=2027-02-02", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5670, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-02-01T08:41:45+05:30", "utc": "2027-02-01T03:11:45Z", "ms": 1801451504948.4473 }, "end": { "local": "2027-02-02T11:10:47+05:30", "utc": "2027-02-02T05:40:47Z", "ms": 1801546846751.9714 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-01T08:41:45+05:30", "utc": "2027-02-01T03:11:45Z", "ms": 1801451504948.4473 }, "end": { "local": "2027-02-02T11:10:47+05:30", "utc": "2027-02-02T05:40:47Z", "ms": 1801546846751.9714 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-02-01", "window": { "start": { "local": "2027-02-01T07:07:15+05:30", "utc": "2027-02-01T01:37:15Z", "ms": 1801445834738.0325 }, "end": { "local": "2027-02-01T07:07:15+05:30", "utc": "2027-02-01T01:37:15Z", "ms": 1801445834738.0325 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-02-02", "window": { "start": { "local": "2027-02-02T07:06:51+05:30", "utc": "2027-02-02T01:36:51Z", "ms": 1801532210856.4966 }, "end": { "local": "2027-02-02T07:06:51+05:30", "utc": "2027-02-02T01:36:51Z", "ms": 1801532210856.4966 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:42 on Mon 1 Feb to 11:11 on Tue 2 Feb.", "fact": "2027-02-01T03:11:45Z → 2027-02-02T05:40:47Z" }, { "step": "kaala", "text": "Sunrise is at 07:07 on the 1st and 07:07 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5670 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Ujjain, 2027: Tuesday 2 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": "2027-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-02", "confidence": "determinate" } ], "quote": "In Ujjain, Ṣaṭtilā Ekādaśī 2027 falls on Tuesday 2 February. Ekādaśī runs from 08:42 on Mon 1 Feb to 11:11 on Tue 2 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-02-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-02-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6235, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-02-03T13:50:44+05:30", "utc": "2027-02-03T08:20:44Z", "ms": 1801642843866.1946 }, "end": { "local": "2027-02-04T16:31:49+05:30", "utc": "2027-02-04T11:01:49Z", "ms": 1801738908858.9153 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-03T13:50:44+05:30", "utc": "2027-02-03T08:20:44Z", "ms": 1801642843866.1946 }, "end": { "local": "2027-02-04T16:31:49+05:30", "utc": "2027-02-04T11:01:49Z", "ms": 1801738908858.9153 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-02-03", "window": { "start": { "local": "2027-02-03T18:15:05+05:30", "utc": "2027-02-03T12:45:05Z", "ms": 1801658704825.0159 }, "end": { "local": "2027-02-03T19:57:52+05:30", "utc": "2027-02-03T14:27:52Z", "ms": 1801664872093.633 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2027-02-04", "window": { "start": { "local": "2027-02-04T18:15:44+05:30", "utc": "2027-02-04T12:45:44Z", "ms": 1801745143985.1772 }, "end": { "local": "2027-02-04T19:58:22+05:30", "utc": "2027-02-04T14:28:22Z", "ms": 1801751302351.8088 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:51 on Wed 3 Feb to 16:32 on Thu 4 Feb.", "fact": "2027-02-03T08:20:44Z → 2027-02-04T11:01:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:58 on the 3rd, 18:16–19:58 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 3rd and 0 of 103 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6235 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Wednesday 3 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": "2027-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-03", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Wednesday 3 February. Trayodaśī runs from 13:51 on Wed 3 Feb to 16:32 on Thu 4 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-02-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18656, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-02-04T16:31:49+05:30", "utc": "2027-02-04T11:01:49Z", "ms": 1801738908858.9153 }, "end": { "local": "2027-02-05T19:05:47+05:30", "utc": "2027-02-05T13:35:47Z", "ms": 1801834546958.6655 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-04T16:31:49+05:30", "utc": "2027-02-04T11:01:49Z", "ms": 1801738908858.9153 }, "end": { "local": "2027-02-05T19:05:47+05:30", "utc": "2027-02-05T13:35:47Z", "ms": 1801834546958.6655 } }, "kaala": "nishita", "days": [ { "local_date": "2027-02-04", "window": { "start": { "local": "2027-02-05T00:16:38+05:30", "utc": "2027-02-04T18:46:38Z", "ms": 1801766797860.0454 }, "end": { "local": "2027-02-05T01:04:38+05:30", "utc": "2027-02-04T19:34:38Z", "ms": 1801769677860.0454 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-02-05", "window": { "start": { "local": "2027-02-06T00:16:43+05:30", "utc": "2027-02-05T18:46:43Z", "ms": 1801853202838.435 }, "end": { "local": "2027-02-06T01:04:43+05:30", "utc": "2027-02-05T19:34:43Z", "ms": 1801856082838.435 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:32 on Thu 4 Feb to 19:06 on Fri 5 Feb.", "fact": "2027-02-04T11:01:49Z → 2027-02-05T13:35:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:17–01:05 on the 4th, 00:17–01:05 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18656 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Thursday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-04", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Thursday 4 February. Caturdaśī runs from 16:32 on Thu 4 Feb to 19:06 on Fri 5 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33950, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-02-04T16:31:49+05:30", "utc": "2027-02-04T11:01:49Z", "ms": 1801738908858.9153 }, "end": { "local": "2027-02-05T19:05:47+05:30", "utc": "2027-02-05T13:35:47Z", "ms": 1801834546958.6655 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-04T16:31:49+05:30", "utc": "2027-02-04T11:01:49Z", "ms": 1801738908858.9153 }, "end": { "local": "2027-02-05T19:05:47+05:30", "utc": "2027-02-05T13:35:47Z", "ms": 1801834546958.6655 } }, "kaala": "arunodaya", "days": [ { "local_date": "2027-02-04", "window": { "start": { "local": "2027-02-04T05:23:12+05:30", "utc": "2027-02-03T23:53:12Z", "ms": 1801698792071.0276 }, "end": { "local": "2027-02-04T07:05:59+05:30", "utc": "2027-02-04T01:35:59Z", "ms": 1801704959339.6448 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2027-02-05", "window": { "start": { "local": "2027-02-05T05:22:53+05:30", "utc": "2027-02-04T23:52:53Z", "ms": 1801785173368.282 }, "end": { "local": "2027-02-05T07:05:32+05:30", "utc": "2027-02-05T01:35:32Z", "ms": 1801791331734.9136 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:32 on Thu 4 Feb to 19:06 on Fri 5 Feb.", "fact": "2027-02-04T11:01:49Z → 2027-02-05T13:35:47Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:23–07:06 on the 4th, 05:23–07:06 on the 5th.", "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 103 minutes on the 4th and 103 of 103 on the 5th.", "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 33950 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Ujjain, 2027: Friday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-05", "confidence": "determinate" } ], "quote": "In Ujjain, Yama Tarpaṇa 2027 falls on Friday 5 February. Caturdaśī runs from 16:32 on Thu 4 Feb to 19:06 on Fri 5 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33132, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-02-10T02:20:18+05:30", "utc": "2027-02-09T20:50:18Z", "ms": 1802206217981.257 }, "end": { "local": "2027-02-11T03:05:02+05:30", "utc": "2027-02-10T21:35:02Z", "ms": 1802295302203.574 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-10T02:20:18+05:30", "utc": "2027-02-09T20:50:18Z", "ms": 1802206217981.257 }, "end": { "local": "2027-02-11T03:05:02+05:30", "utc": "2027-02-10T21:35:02Z", "ms": 1802295302203.574 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-02-10", "window": { "start": { "local": "2027-02-10T12:17:13+05:30", "utc": "2027-02-10T06:47:13Z", "ms": 1802242033103.2205 }, "end": { "local": "2027-02-10T13:05:13+05:30", "utc": "2027-02-10T07:35:13Z", "ms": 1802244913103.2205 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-02-11", "window": { "start": { "local": "2027-02-11T12:17:14+05:30", "utc": "2027-02-11T06:47:14Z", "ms": 1802328433885.39 }, "end": { "local": "2027-02-11T13:05:14+05:30", "utc": "2027-02-11T07:35:14Z", "ms": 1802331313885.39 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:20 on Wed 10 Feb to 03:05 on Thu 11 Feb.", "fact": "2027-02-09T20:50:18Z → 2027-02-10T21:35:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 10th, 12:17–13:05 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33132 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Ujjain, 2027: Wednesday 10 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-10", "confidence": "determinate" } ], "quote": "In Ujjain, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2027 falls on Wednesday 10 February. Caturthī runs from 02:20 on Wed 10 Feb to 03:05 on Thu 11 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22772, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-02-10T02:20:18+05:30", "utc": "2027-02-09T20:50:18Z", "ms": 1802206217981.257 }, "end": { "local": "2027-02-11T03:05:02+05:30", "utc": "2027-02-10T21:35:02Z", "ms": 1802295302203.574 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-10T02:20:18+05:30", "utc": "2027-02-09T20:50:18Z", "ms": 1802206217981.257 }, "end": { "local": "2027-02-11T03:05:02+05:30", "utc": "2027-02-10T21:35:02Z", "ms": 1802295302203.574 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-02-09", "window": { "start": { "local": "2027-02-09T18:18:54+05:30", "utc": "2027-02-09T12:48:54Z", "ms": 1802177333673.778 }, "end": { "local": "2027-02-09T20:00:46+05:30", "utc": "2027-02-09T14:30:46Z", "ms": 1802183445971.2466 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2027-02-10", "window": { "start": { "local": "2027-02-10T18:19:30+05:30", "utc": "2027-02-10T12:49:30Z", "ms": 1802263770301.6497 }, "end": { "local": "2027-02-10T20:01:13+05:30", "utc": "2027-02-10T14:31:13Z", "ms": 1802269873101.6067 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:20 on Wed 10 Feb to 03:05 on Thu 11 Feb.", "fact": "2027-02-09T20:50:18Z → 2027-02-10T21:35:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–20:01 on the 9th, 18:20–20:01 on the 10th.", "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 102 minutes on the 9th and 102 of 102 on the 10th.", "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 22772 s" }, { "step": "ruling", "text": "Tila Caturthī, Ujjain, 2027: Wednesday 10 February.", "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": "2027-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-10", "confidence": "determinate" } ], "quote": "In Ujjain, Tila Caturthī 2027 falls on Wednesday 10 February. Caturthī runs from 02:20 on Wed 10 Feb to 03:05 on Thu 11 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32306, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2027-02-11T03:05:02+05:30", "utc": "2027-02-10T21:35:02Z", "ms": 1802295302203.574 }, "end": { "local": "2027-02-12T03:18:48+05:30", "utc": "2027-02-11T21:48:48Z", "ms": 1802382527728.1084 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-11T03:05:02+05:30", "utc": "2027-02-10T21:35:02Z", "ms": 1802295302203.574 }, "end": { "local": "2027-02-12T03:18:48+05:30", "utc": "2027-02-11T21:48:48Z", "ms": 1802382527728.1084 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-02-11", "window": { "start": { "local": "2027-02-11T12:17:14+05:30", "utc": "2027-02-11T06:47:14Z", "ms": 1802328433885.39 }, "end": { "local": "2027-02-11T13:05:14+05:30", "utc": "2027-02-11T07:35:14Z", "ms": 1802331313885.39 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-02-12", "window": { "start": { "local": "2027-02-12T12:17:14+05:30", "utc": "2027-02-12T06:47:14Z", "ms": 1802414833883.2344 }, "end": { "local": "2027-02-12T13:05:14+05:30", "utc": "2027-02-12T07:35:14Z", "ms": 1802417713883.2344 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:05 on Thu 11 Feb to 03:19 on Fri 12 Feb.", "fact": "2027-02-10T21:35:02Z → 2027-02-11T21:48:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 11th, 12:17–13:05 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32306 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Ujjain, 2027: Thursday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-11", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-02-11" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Śrī Pañcamī 2027 falls on Thursday 11 February. Pañcamī runs from 03:05 on Thu 11 Feb to 03:19 on Fri 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32306, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2027-02-11T03:05:02+05:30", "utc": "2027-02-10T21:35:02Z", "ms": 1802295302203.574 }, "end": { "local": "2027-02-12T03:18:48+05:30", "utc": "2027-02-11T21:48:48Z", "ms": 1802382527728.1084 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-11T03:05:02+05:30", "utc": "2027-02-10T21:35:02Z", "ms": 1802295302203.574 }, "end": { "local": "2027-02-12T03:18:48+05:30", "utc": "2027-02-11T21:48:48Z", "ms": 1802382527728.1084 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-02-11", "window": { "start": { "local": "2027-02-11T12:17:14+05:30", "utc": "2027-02-11T06:47:14Z", "ms": 1802328433885.39 }, "end": { "local": "2027-02-11T13:05:14+05:30", "utc": "2027-02-11T07:35:14Z", "ms": 1802331313885.39 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-02-12", "window": { "start": { "local": "2027-02-12T12:17:14+05:30", "utc": "2027-02-12T06:47:14Z", "ms": 1802414833883.2344 }, "end": { "local": "2027-02-12T13:05:14+05:30", "utc": "2027-02-12T07:35:14Z", "ms": 1802417713883.2344 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:05 on Thu 11 Feb to 03:19 on Fri 12 Feb.", "fact": "2027-02-10T21:35:02Z → 2027-02-11T21:48:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 11th, 12:17–13:05 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32306 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Ujjain, 2027: Thursday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-11", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-02-11" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Vasanta Pañcamī (Basant Panchami) 2027 falls on Thursday 11 February. Pañcamī runs from 03:05 on Thu 11 Feb to 03:19 on Fri 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8396, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2027-02-13T02:59:49+05:30", "utc": "2027-02-12T21:29:49Z", "ms": 1802467789025.691 }, "end": { "local": "2027-02-14T02:07:16+05:30", "utc": "2027-02-13T20:37:16Z", "ms": 1802551036408.3184 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-13T02:59:49+05:30", "utc": "2027-02-12T21:29:49Z", "ms": 1802467789025.691 }, "end": { "local": "2027-02-14T02:07:16+05:30", "utc": "2027-02-13T20:37:16Z", "ms": 1802551036408.3184 } }, "kaala": "arunodaya", "days": [ { "local_date": "2027-02-13", "window": { "start": { "local": "2027-02-13T05:19:45+05:30", "utc": "2027-02-12T23:49:45Z", "ms": 1802476185259.164 }, "end": { "local": "2027-02-13T07:01:09+05:30", "utc": "2027-02-13T01:31:09Z", "ms": 1802482268811.3623 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2027-02-14", "window": { "start": { "local": "2027-02-14T05:19:17+05:30", "utc": "2027-02-13T23:49:17Z", "ms": 1802562557158.025 }, "end": { "local": "2027-02-14T07:00:31+05:30", "utc": "2027-02-14T01:30:31Z", "ms": 1802568630967.3914 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:00 on Sat 13 Feb to 02:07 on Sun 14 Feb.", "fact": "2027-02-12T21:29:49Z → 2027-02-13T20:37:16Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:20–07:01 on the 13th, 05:19–07:01 on the 14th.", "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 101 of 101 minutes on the 13th and 0 of 101 on the 14th.", "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 8396 s" }, { "step": "ruling", "text": "Ratha Saptamī, Ujjain, 2027: Saturday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-13", "confidence": "determinate" } ], "quote": "In Ujjain, Ratha Saptamī 2027 falls on Saturday 13 February. Saptamī runs from 03:00 on Sat 13 Feb to 02:07 on Sun 14 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-02-17", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38030, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-02-16T20:19:56+05:30", "utc": "2027-02-16T14:49:56Z", "ms": 1802789395852.1272 }, "end": { "local": "2027-02-17T17:32:21+05:30", "utc": "2027-02-17T12:02:21Z", "ms": 1802865741498.456 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-16T20:19:56+05:30", "utc": "2027-02-16T14:49:56Z", "ms": 1802789395852.1272 }, "end": { "local": "2027-02-17T17:32:21+05:30", "utc": "2027-02-17T12:02:21Z", "ms": 1802865741498.456 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-02-16", "window": { "start": { "local": "2027-02-16T06:59:12+05:30", "utc": "2027-02-16T01:29:12Z", "ms": 1802741352195.6572 }, "end": { "local": "2027-02-16T06:59:12+05:30", "utc": "2027-02-16T01:29:12Z", "ms": 1802741352195.6572 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-02-17", "window": { "start": { "local": "2027-02-17T06:58:31+05:30", "utc": "2027-02-17T01:28:31Z", "ms": 1802827711316.945 }, "end": { "local": "2027-02-17T06:58:31+05:30", "utc": "2027-02-17T01:28:31Z", "ms": 1802827711316.945 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:20 on Tue 16 Feb to 17:32 on Wed 17 Feb.", "fact": "2027-02-16T14:49:56Z → 2027-02-17T12:02:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:59 on the 16th and 06:59 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "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 38030 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Ujjain, 2027: Wednesday 17 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": "2027-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-17", "confidence": "determinate" } ], "quote": "In Ujjain, Jayā Ekādaśī 2027 falls on Wednesday 17 February. Ekādaśī runs from 20:20 on Tue 16 Feb to 17:32 on Wed 17 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-02-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4994, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2027-02-17T17:32:21+05:30", "utc": "2027-02-17T12:02:21Z", "ms": 1802865741498.456 }, "end": { "local": "2027-02-18T14:28:12+05:30", "utc": "2027-02-18T08:58:12Z", "ms": 1802941091912.7786 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-17T17:32:21+05:30", "utc": "2027-02-17T12:02:21Z", "ms": 1802865741498.456 }, "end": { "local": "2027-02-18T14:28:12+05:30", "utc": "2027-02-18T08:58:12Z", "ms": 1802941091912.7786 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-02-17", "window": { "start": { "local": "2027-02-17T12:17:02+05:30", "utc": "2027-02-17T06:47:02Z", "ms": 1802846822418.3347 }, "end": { "local": "2027-02-17T13:05:02+05:30", "utc": "2027-02-17T07:35:02Z", "ms": 1802849702418.3347 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-02-18", "window": { "start": { "local": "2027-02-18T12:16:58+05:30", "utc": "2027-02-18T06:46:58Z", "ms": 1802933217917.393 }, "end": { "local": "2027-02-18T13:04:58+05:30", "utc": "2027-02-18T07:34:58Z", "ms": 1802936097917.393 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:32 on Wed 17 Feb to 14:28 on Thu 18 Feb.", "fact": "2027-02-17T12:02:21Z → 2027-02-18T08:58:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 17th, 12:17–13:05 on the 18th.", "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 17th and 48 of 48 on the 18th.", "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 4994 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Ujjain, 2027: Thursday 18 February.", "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": "2027-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-18", "confidence": "determinate" } ], "quote": "In Ujjain, Bhīṣma Dvādaśī 2027 falls on Thursday 18 February. Dvādaśī runs from 17:32 on Wed 17 Feb to 14:28 on Thu 18 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/pradosha-vrata?on=2027-02-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14154, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-02-18T14:28:12+05:30", "utc": "2027-02-18T08:58:12Z", "ms": 1802941091912.7786 }, "end": { "local": "2027-02-19T11:14:48+05:30", "utc": "2027-02-19T05:44:48Z", "ms": 1803015888201.7417 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-18T14:28:12+05:30", "utc": "2027-02-18T08:58:12Z", "ms": 1802941091912.7786 }, "end": { "local": "2027-02-19T11:14:48+05:30", "utc": "2027-02-19T05:44:48Z", "ms": 1803015888201.7417 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-02-18", "window": { "start": { "local": "2027-02-18T18:24:06+05:30", "utc": "2027-02-18T12:54:06Z", "ms": 1802955246357.2344 }, "end": { "local": "2027-02-18T20:04:30+05:30", "utc": "2027-02-18T14:34:30Z", "ms": 1802961270403.551 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2027-02-19", "window": { "start": { "local": "2027-02-19T18:24:39+05:30", "utc": "2027-02-19T12:54:39Z", "ms": 1803041678726.536 }, "end": { "local": "2027-02-19T20:04:53+05:30", "utc": "2027-02-19T14:34:53Z", "ms": 1803047692633.1306 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:28 on Thu 18 Feb to 11:15 on Fri 19 Feb.", "fact": "2027-02-18T08:58:12Z → 2027-02-19T05:44:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–20:05 on the 18th, 18:25–20:05 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 100 of 100 minutes on the 18th and 0 of 100 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14154 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Thursday 18 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": "2027-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-18", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Thursday 18 February. Trayodaśī runs from 14:28 on Thu 18 Feb to 11:15 on Fri 19 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15385, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-02-20T08:00:22+05:30", "utc": "2027-02-20T02:30:22Z", "ms": 1803090621884.225 }, "end": { "local": "2027-02-21T04:53:39+05:30", "utc": "2027-02-20T23:23:39Z", "ms": 1803165819122.1003 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2027-02-20T08:00:22+05:30", "utc": "2027-02-20T02:30:22Z", "ms": 1803090621884.225 }, "end": { "local": "2027-02-21T04:53:39+05:30", "utc": "2027-02-20T23:23:39Z", "ms": 1803165819122.1003 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-02-20", "window": { "start": { "local": "2027-02-20T12:16:47+05:30", "utc": "2027-02-20T06:46:47Z", "ms": 1803106006830.96 }, "end": { "local": "2027-02-20T13:04:47+05:30", "utc": "2027-02-20T07:34:47Z", "ms": 1803108886830.96 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-02-21", "window": { "start": { "local": "2027-02-21T12:16:40+05:30", "utc": "2027-02-21T06:46:40Z", "ms": 1803192400282.6978 }, "end": { "local": "2027-02-21T13:04:40+05:30", "utc": "2027-02-21T07:34:40Z", "ms": 1803195280282.6978 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:00 on Sat 20 Feb to 04:54 on Sun 21 Feb.", "fact": "2027-02-20T02:30:22Z → 2027-02-20T23:23:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 20th, 12:17–13:05 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15385 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Ujjain, 2027: Saturday 20 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": "2027-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-20", "confidence": "determinate" } ], "quote": "In Ujjain, Māghī Pūrṇimā 2027 falls on Saturday 20 February. Pūrṇimā runs from 08:00 on Sat 20 Feb to 04:54 on Sun 21 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-02-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-02-23", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2917, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-02-23T21:49:27+05:30", "utc": "2027-02-23T16:19:27Z", "ms": 1803399567124.3765 }, "end": { "local": "2027-02-24T20:40:37+05:30", "utc": "2027-02-24T15:10:37Z", "ms": 1803481836896.9714 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2027-02-23T21:49:27+05:30", "utc": "2027-02-23T16:19:27Z", "ms": 1803399567124.3765 }, "end": { "local": "2027-02-24T20:40:37+05:30", "utc": "2027-02-24T15:10:37Z", "ms": 1803481836896.9714 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-02-23", "window": { "start": { "local": "2027-02-23T21:00:50+05:30", "utc": "2027-02-23T15:30:50Z", "ms": 1803396649801.8562 }, "end": { "local": "2027-02-23T21:00:50+05:30", "utc": "2027-02-23T15:30:50Z", "ms": 1803396649801.8562 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-02-24", "window": { "start": { "local": "2027-02-24T21:59:33+05:30", "utc": "2027-02-24T16:29:33Z", "ms": 1803486573155.0898 }, "end": { "local": "2027-02-24T21:59:33+05:30", "utc": "2027-02-24T16:29:33Z", "ms": 1803486573155.0898 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:49 on Tue 23 Feb to 20:41 on Wed 24 Feb.", "fact": "2027-02-23T16:19:27Z → 2027-02-24T15:10:37Z" }, { "step": "kaala", "text": "Moonrise is at 21:01 on the 23rd and 22:00 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2917 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Tuesday 23 February.", "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": "2027-02-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-02-23", "confidence": "boundary" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Tuesday 23 February. Caturthī runs from 21:49 on Tue 23 Feb to 20:41 on Wed 24 Feb, and is current at moonrise on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-02-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ekadashi?on=2027-03-04", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2283, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-03-03T04:44:49+05:30", "utc": "2027-03-02T23:14:49Z", "ms": 1804029289419.2427 }, "end": { "local": "2027-03-04T07:24:42+05:30", "utc": "2027-03-04T01:54:42Z", "ms": 1804125281505.6606 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2027-03-03T04:44:49+05:30", "utc": "2027-03-02T23:14:49Z", "ms": 1804029289419.2427 }, "end": { "local": "2027-03-04T07:24:42+05:30", "utc": "2027-03-04T01:54:42Z", "ms": 1804125281505.6606 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-03-03", "window": { "start": { "local": "2027-03-03T06:47:31+05:30", "utc": "2027-03-03T01:17:31Z", "ms": 1804036650874.2031 }, "end": { "local": "2027-03-03T06:47:31+05:30", "utc": "2027-03-03T01:17:31Z", "ms": 1804036650874.2031 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-03-04", "window": { "start": { "local": "2027-03-04T06:46:39+05:30", "utc": "2027-03-04T01:16:39Z", "ms": 1804122998508.8105 }, "end": { "local": "2027-03-04T06:46:39+05:30", "utc": "2027-03-04T01:16:39Z", "ms": 1804122998508.8105 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:45 on Wed 3 Mar to 07:25 on Thu 4 Mar.", "fact": "2027-03-02T23:14:49Z → 2027-03-04T01:54:42Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 3rd and 06:47 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 2283 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Ujjain, 2027: Thursday 4 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": "2027-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-04", "confidence": "determinate" } ], "quote": "In Ujjain, Vijayā Ekādaśī 2027 falls on Thursday 4 March. Ekādaśī runs from 04:45 on Wed 3 Mar to 07:25 on Thu 4 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-03-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23272, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-03-05T09:54:26+05:30", "utc": "2027-03-05T04:24:26Z", "ms": 1804220666084.405 }, "end": { "local": "2027-03-06T12:04:02+05:30", "utc": "2027-03-06T06:34:02Z", "ms": 1804314842189.478 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2027-03-05T09:54:26+05:30", "utc": "2027-03-05T04:24:26Z", "ms": 1804220666084.405 }, "end": { "local": "2027-03-06T12:04:02+05:30", "utc": "2027-03-06T06:34:02Z", "ms": 1804314842189.478 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-03-05", "window": { "start": { "local": "2027-03-05T18:31:28+05:30", "utc": "2027-03-05T13:01:28Z", "ms": 1804251688173.239 }, "end": { "local": "2027-03-05T20:09:15+05:30", "utc": "2027-03-05T14:39:15Z", "ms": 1804257555370.1157 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2027-03-06", "window": { "start": { "local": "2027-03-06T18:31:55+05:30", "utc": "2027-03-06T13:01:55Z", "ms": 1804338114664.8972 }, "end": { "local": "2027-03-06T20:09:31+05:30", "utc": "2027-03-06T14:39:31Z", "ms": 1804343971137.009 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:54 on Fri 5 Mar to 12:04 on Sat 6 Mar.", "fact": "2027-03-05T04:24:26Z → 2027-03-06T06:34:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:09 on the 5th, 18:32–20:10 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 5th and 0 of 98 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23272 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Friday 5 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": "2027-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-05", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Friday 5 March. Trayodaśī runs from 09:54 on Fri 5 Mar to 12:04 on Sat 6 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37612, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-03-06T12:04:02+05:30", "utc": "2027-03-06T06:34:02Z", "ms": 1804314842189.478 }, "end": { "local": "2027-03-07T13:46:51+05:30", "utc": "2027-03-07T08:16:51Z", "ms": 1804407410618.3845 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2027-03-06T12:04:02+05:30", "utc": "2027-03-06T06:34:02Z", "ms": 1804314842189.478 }, "end": { "local": "2027-03-07T13:46:51+05:30", "utc": "2027-03-07T08:16:51Z", "ms": 1804407410618.3845 } }, "kaala": "nishita", "days": [ { "local_date": "2027-03-06", "window": { "start": { "local": "2027-03-07T00:13:56+05:30", "utc": "2027-03-06T18:43:56Z", "ms": 1804358636435.317 }, "end": { "local": "2027-03-07T01:01:56+05:30", "utc": "2027-03-06T19:31:56Z", "ms": 1804361516435.317 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-03-07", "window": { "start": { "local": "2027-03-08T00:13:42+05:30", "utc": "2027-03-07T18:43:42Z", "ms": 1804445022310.322 }, "end": { "local": "2027-03-08T01:01:42+05:30", "utc": "2027-03-07T19:31:42Z", "ms": 1804447902310.322 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:04 on Sat 6 Mar to 13:47 on Sun 7 Mar.", "fact": "2027-03-06T06:34:02Z → 2027-03-07T08:16:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 6th, 00:14–01:02 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 37612 s" }, { "step": "ruling", "text": "Mahāśivarātri, Ujjain, 2027: Saturday 6 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-06", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-03-06" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mahāśivarātri (Shivratri) 2027 falls on Saturday 6 March. Caturdaśī runs from 12:04 on Sat 6 Mar to 13:47 on Sun 7 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-03-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7005, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-03-11T15:37:56+05:30", "utc": "2027-03-11T10:07:56Z", "ms": 1804759676054.8044 }, "end": { "local": "2027-03-12T14:57:39+05:30", "utc": "2027-03-12T09:27:39Z", "ms": 1804843659022.1702 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2027-03-11T15:37:56+05:30", "utc": "2027-03-11T10:07:56Z", "ms": 1804759676054.8044 }, "end": { "local": "2027-03-12T14:57:39+05:30", "utc": "2027-03-12T09:27:39Z", "ms": 1804843659022.1702 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-03-11", "window": { "start": { "local": "2027-03-11T12:13:10+05:30", "utc": "2027-03-11T06:43:10Z", "ms": 1804747390191.2559 }, "end": { "local": "2027-03-11T13:01:10+05:30", "utc": "2027-03-11T07:31:10Z", "ms": 1804750270191.2559 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-03-12", "window": { "start": { "local": "2027-03-12T12:12:54+05:30", "utc": "2027-03-12T06:42:54Z", "ms": 1804833774495.9546 }, "end": { "local": "2027-03-12T13:00:54+05:30", "utc": "2027-03-12T07:30:54Z", "ms": 1804836654495.9546 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:38 on Thu 11 Mar to 14:58 on Fri 12 Mar.", "fact": "2027-03-11T10:07:56Z → 2027-03-12T09:27:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 11th, 12:13–13:01 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7005 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Friday 12 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": "2027-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-12", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Friday 12 March. Caturthī runs from 15:38 on Thu 11 Mar to 14:58 on Fri 12 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-03-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ekadashi?on=2027-03-18", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7905, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-03-18T04:21:54+05:30", "utc": "2027-03-17T22:51:54Z", "ms": 1805323913946.9922 }, "end": { "local": "2027-03-19T01:51:40+05:30", "utc": "2027-03-18T20:21:40Z", "ms": 1805401300256.8062 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2027-03-18T04:21:54+05:30", "utc": "2027-03-17T22:51:54Z", "ms": 1805323913946.9922 }, "end": { "local": "2027-03-19T01:51:40+05:30", "utc": "2027-03-18T20:21:40Z", "ms": 1805401300256.8062 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-03-18", "window": { "start": { "local": "2027-03-18T06:33:39+05:30", "utc": "2027-03-18T01:03:39Z", "ms": 1805331818719.1614 }, "end": { "local": "2027-03-18T06:33:39+05:30", "utc": "2027-03-18T01:03:39Z", "ms": 1805331818719.1614 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-03-19", "window": { "start": { "local": "2027-03-19T06:32:41+05:30", "utc": "2027-03-19T01:02:41Z", "ms": 1805418160682.3572 }, "end": { "local": "2027-03-19T06:32:41+05:30", "utc": "2027-03-19T01:02:41Z", "ms": 1805418160682.3572 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:22 on Thu 18 Mar to 01:52 on Fri 19 Mar.", "fact": "2027-03-17T22:51:54Z → 2027-03-18T20:21:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 18th and 06:33 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7905 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Ujjain, 2027: Thursday 18 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": "2027-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-18", "confidence": "determinate" } ], "quote": "In Ujjain, Āmalakī Ekādaśī 2027 falls on Thursday 18 March. Ekādaśī runs from 04:22 on Thu 18 Mar to 01:52 on Fri 19 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-03-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1985, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-03-19T23:17:49+05:30", "utc": "2027-03-19T17:47:49Z", "ms": 1805478468757.6738 }, "end": { "local": "2027-03-20T20:45:46+05:30", "utc": "2027-03-20T15:15:46Z", "ms": 1805555746453.5767 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2027-03-19T23:17:49+05:30", "utc": "2027-03-19T17:47:49Z", "ms": 1805478468757.6738 }, "end": { "local": "2027-03-20T20:45:46+05:30", "utc": "2027-03-20T15:15:46Z", "ms": 1805555746453.5767 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-03-19", "window": { "start": { "local": "2027-03-19T18:37:13+05:30", "utc": "2027-03-19T13:07:13Z", "ms": 1805461633226.845 }, "end": { "local": "2027-03-19T20:12:29+05:30", "utc": "2027-03-19T14:42:29Z", "ms": 1805467349126.6792 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2027-03-20", "window": { "start": { "local": "2027-03-20T18:37:36+05:30", "utc": "2027-03-20T13:07:36Z", "ms": 1805548056144.1987 }, "end": { "local": "2027-03-20T20:12:41+05:30", "utc": "2027-03-20T14:42:41Z", "ms": 1805553761208.6926 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:18 on Fri 19 Mar to 20:46 on Sat 20 Mar.", "fact": "2027-03-19T17:47:49Z → 2027-03-20T15:15:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:12 on the 19th, 18:38–20:13 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 19th and 95 of 95 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1985 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Saturday 20 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": "2027-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-20", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Saturday 20 March. Trayodaśī runs from 23:18 on Fri 19 Mar to 20:46 on Sat 20 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-21", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 69, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-03-21T18:22:01+05:30", "utc": "2027-03-21T12:52:01Z", "ms": 1805633520857.9543 }, "end": { "local": "2027-03-22T16:13:48+05:30", "utc": "2027-03-22T10:43:48Z", "ms": 1805712227860.5144 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2027-03-21T18:22:01+05:30", "utc": "2027-03-21T12:52:01Z", "ms": 1805633520857.9543 }, "end": { "local": "2027-03-22T16:13:48+05:30", "utc": "2027-03-22T10:43:48Z", "ms": 1805712227860.5144 } }, "kaala": "sayahna", "days": [ { "local_date": "2027-03-21", "window": { "start": { "local": "2027-03-21T16:12:32+05:30", "utc": "2027-03-21T10:42:32Z", "ms": 1805625751955.4329 }, "end": { "local": "2027-03-21T18:37:59+05:30", "utc": "2027-03-21T13:07:59Z", "ms": 1805634478912.3152 } }, "covered_min": 16, "window_min": 145, "qualifies": true }, { "local_date": "2027-03-22", "window": { "start": { "local": "2027-03-22T16:12:38+05:30", "utc": "2027-03-22T10:42:38Z", "ms": 1805712158374.5596 }, "end": { "local": "2027-03-22T18:38:22+05:30", "utc": "2027-03-22T13:08:22Z", "ms": 1805720901551.0544 } }, "covered_min": 1, "window_min": 146, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:22 on Sun 21 Mar to 16:14 on Mon 22 Mar.", "fact": "2027-03-21T12:52:01Z → 2027-03-22T10:43:48Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:38 on the 21st, 16:13–18:38 on the 22nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 16 of 145 minutes on the 21st and 1 of 146 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 69 s < 300 s" }, { "step": "ruling", "text": "Holikā Dahana, Ujjain, 2027: Sunday 21 March.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "2027-03-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-21", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-03-22" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Holikā Dahana 2027 falls on Sunday 21 March. Pūrṇimā runs from 18:22 on Sun 21 Mar to 16:14 on Mon 22 Mar and covers 16 of 145 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 09 s from a threshold: treat the date as contested. Rashtriya Panchang recorded 22 March (Principal festivals, 2026-27).", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-22", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 69, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-03-21T18:22:01+05:30", "utc": "2027-03-21T12:52:01Z", "ms": 1805633520857.9543 }, "end": { "local": "2027-03-22T16:13:48+05:30", "utc": "2027-03-22T10:43:48Z", "ms": 1805712227860.5144 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2027-03-21T18:22:01+05:30", "utc": "2027-03-21T12:52:01Z", "ms": 1805633520857.9543 }, "end": { "local": "2027-03-22T16:13:48+05:30", "utc": "2027-03-22T10:43:48Z", "ms": 1805712227860.5144 } }, "kaala": "sayahna", "days": [ { "local_date": "2027-03-21", "window": { "start": { "local": "2027-03-21T16:12:32+05:30", "utc": "2027-03-21T10:42:32Z", "ms": 1805625751955.4329 }, "end": { "local": "2027-03-21T18:37:59+05:30", "utc": "2027-03-21T13:07:59Z", "ms": 1805634478912.3152 } }, "covered_min": 16, "window_min": 145, "qualifies": true }, { "local_date": "2027-03-22", "window": { "start": { "local": "2027-03-22T16:12:38+05:30", "utc": "2027-03-22T10:42:38Z", "ms": 1805712158374.5596 }, "end": { "local": "2027-03-22T18:38:22+05:30", "utc": "2027-03-22T13:08:22Z", "ms": 1805720901551.0544 } }, "covered_min": 1, "window_min": 146, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2027-03-21", "days": 1 }, "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:22 on Sun 21 Mar to 16:14 on Mon 22 Mar.", "fact": "2027-03-21T12:52:01Z → 2027-03-22T10:43:48Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:38 on the 21st, 16:13–18:38 on the 22nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 16 of 145 minutes on the 21st and 1 of 146 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 69 s < 300 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Sunday 21 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Ujjain, 2027: Monday 22 March.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "2027-03-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-22", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-03-23" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Holī 2027 falls on Monday 22 March. It is kept the day after Holikā Dahana, which falls on Sunday 21 March. Pūrṇimā runs from 18:22 on Sun 21 Mar to 16:14 on Mon 22 Mar and covers 16 of 145 minutes of sāyāhna on the 21st. It also reaches the next late afternoon for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 09 s from a threshold: treat the date as contested. Rashtriya Panchang recorded 23 March (Principal festivals, 2026-27).", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28803, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2027-03-22T16:13:48+05:30", "utc": "2027-03-22T10:43:48Z", "ms": 1805712227860.5144 }, "end": { "local": "2027-03-23T14:28:50+05:30", "utc": "2027-03-23T08:58:50Z", "ms": 1805792329916.9436 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-03-22T16:13:48+05:30", "utc": "2027-03-22T10:43:48Z", "ms": 1805712227860.5144 }, "end": { "local": "2027-03-23T14:28:50+05:30", "utc": "2027-03-23T08:58:50Z", "ms": 1805792329916.9436 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-03-22", "window": { "start": { "local": "2027-03-22T06:29:46+05:30", "utc": "2027-03-22T00:59:46Z", "ms": 1805677185668.5806 }, "end": { "local": "2027-03-22T06:29:46+05:30", "utc": "2027-03-22T00:59:46Z", "ms": 1805677185668.5806 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-03-23", "window": { "start": { "local": "2027-03-23T06:28:47+05:30", "utc": "2027-03-23T00:58:47Z", "ms": 1805763527127.0715 }, "end": { "local": "2027-03-23T06:28:47+05:30", "utc": "2027-03-23T00:58:47Z", "ms": 1805763527127.0715 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:14 on Mon 22 Mar to 14:29 on Tue 23 Mar.", "fact": "2027-03-22T10:43:48Z → 2027-03-23T08:58:50Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 22nd and 06:29 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 28803 s" }, { "step": "ruling", "text": "Vasantotsava, Ujjain, 2027: Tuesday 23 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": "2027-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-23", "confidence": "determinate" } ], "quote": "In Ujjain, Vasantotsava 2027 falls on Tuesday 23 March. Pratipadā runs from 16:14 on Mon 22 Mar to 14:29 on Tue 23 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-03-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32564, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-03-25T12:38:09+05:30", "utc": "2027-03-25T07:08:09Z", "ms": 1805958488830.3599 }, "end": { "local": "2027-03-26T12:43:56+05:30", "utc": "2027-03-26T07:13:56Z", "ms": 1806045236470.8818 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-03-25T12:38:09+05:30", "utc": "2027-03-25T07:08:09Z", "ms": 1805958488830.3599 }, "end": { "local": "2027-03-26T12:43:56+05:30", "utc": "2027-03-26T07:13:56Z", "ms": 1806045236470.8818 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-03-25", "window": { "start": { "local": "2027-03-25T21:40:53+05:30", "utc": "2027-03-25T16:10:53Z", "ms": 1805991053142.5266 }, "end": { "local": "2027-03-25T21:40:53+05:30", "utc": "2027-03-25T16:10:53Z", "ms": 1805991053142.5266 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-03-26", "window": { "start": { "local": "2027-03-26T22:39:40+05:30", "utc": "2027-03-26T17:09:40Z", "ms": 1806080979780.073 }, "end": { "local": "2027-03-26T22:39:40+05:30", "utc": "2027-03-26T17:09:40Z", "ms": 1806080979780.073 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:38 on Thu 25 Mar to 12:44 on Fri 26 Mar.", "fact": "2027-03-25T07:08:09Z → 2027-03-26T07:13:56Z" }, { "step": "kaala", "text": "Moonrise is at 21:41 on the 25th and 22:40 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32564 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Thursday 25 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": "2027-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-25", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Thursday 25 March. Caturthī runs from 12:38 on Thu 25 Mar to 12:44 on Fri 26 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-03-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15333, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2027-03-29T17:11:30+05:30", "utc": "2027-03-29T11:41:30Z", "ms": 1806320490271.963 }, "end": { "local": "2027-03-30T19:40:18+05:30", "utc": "2027-03-30T14:10:18Z", "ms": 1806415818157.8667 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-03-29T17:11:30+05:30", "utc": "2027-03-29T11:41:30Z", "ms": 1806320490271.963 }, "end": { "local": "2027-03-30T19:40:18+05:30", "utc": "2027-03-30T14:10:18Z", "ms": 1806415818157.8667 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-03-29", "window": { "start": { "local": "2027-03-29T12:07:57+05:30", "utc": "2027-03-29T06:37:57Z", "ms": 1806302276875.107 }, "end": { "local": "2027-03-29T12:55:57+05:30", "utc": "2027-03-29T07:25:57Z", "ms": 1806305156875.107 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-03-30", "window": { "start": { "local": "2027-03-30T12:07:39+05:30", "utc": "2027-03-30T06:37:39Z", "ms": 1806388658843.827 }, "end": { "local": "2027-03-30T12:55:39+05:30", "utc": "2027-03-30T07:25:39Z", "ms": 1806391538843.827 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:12 on Mon 29 Mar to 19:40 on Tue 30 Mar.", "fact": "2027-03-29T11:41:30Z → 2027-03-30T14:10:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 29th, 12:08–12:56 on the 30th.", "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 29th and 48 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 15333 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Ujjain, 2027: Tuesday 30 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": "2027-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-03-30", "confidence": "determinate" } ], "quote": "In Ujjain, Śītalāṣṭamī 2027 falls on Tuesday 30 March. Aṣṭamī runs from 17:12 on Mon 29 Mar to 19:40 on Tue 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-04-02", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12338, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-04-02T00:45:39+05:30", "utc": "2027-04-01T19:15:39Z", "ms": 1806606938957.236 }, "end": { "local": "2027-04-03T02:52:28+05:30", "utc": "2027-04-02T21:22:28Z", "ms": 1806700947850.2473 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-02T00:45:39+05:30", "utc": "2027-04-01T19:15:39Z", "ms": 1806606938957.236 }, "end": { "local": "2027-04-03T02:52:28+05:30", "utc": "2027-04-02T21:22:28Z", "ms": 1806700947850.2473 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-04-02", "window": { "start": { "local": "2027-04-02T06:19:03+05:30", "utc": "2027-04-02T00:49:03Z", "ms": 1806626943473.9158 }, "end": { "local": "2027-04-02T06:19:03+05:30", "utc": "2027-04-02T00:49:03Z", "ms": 1806626943473.9158 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-04-03", "window": { "start": { "local": "2027-04-03T06:18:06+05:30", "utc": "2027-04-03T00:48:06Z", "ms": 1806713285882.0105 }, "end": { "local": "2027-04-03T06:18:06+05:30", "utc": "2027-04-03T00:48:06Z", "ms": 1806713285882.0105 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:46 on Fri 2 Apr to 02:52 on Sat 3 Apr.", "fact": "2027-04-01T19:15:39Z → 2027-04-02T21:22:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 2nd and 06:18 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12338 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Ujjain, 2027: Friday 2 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": "2027-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-02", "confidence": "determinate" } ], "quote": "In Ujjain, Pāpamocanī Ekādaśī 2027 falls on Friday 2 April. Ekādaśī runs from 00:46 on Fri 2 Apr to 02:52 on Sat 3 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-04-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-04-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29499, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-04-04T04:27:03+05:30", "utc": "2027-04-03T22:57:03Z", "ms": 1806793022668.8887 }, "end": { "local": "2027-04-05T05:23:38+05:30", "utc": "2027-04-04T23:53:38Z", "ms": 1806882818427.6377 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-04T04:27:03+05:30", "utc": "2027-04-03T22:57:03Z", "ms": 1806793022668.8887 }, "end": { "local": "2027-04-05T05:23:38+05:30", "utc": "2027-04-04T23:53:38Z", "ms": 1806882818427.6377 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-04-03", "window": { "start": { "local": "2027-04-03T18:42:50+05:30", "utc": "2027-04-03T13:12:50Z", "ms": 1806757969538.8162 }, "end": { "local": "2027-04-03T20:15:24+05:30", "utc": "2027-04-03T14:45:24Z", "ms": 1806763524071.4224 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2027-04-04", "window": { "start": { "local": "2027-04-04T18:43:12+05:30", "utc": "2027-04-04T13:13:12Z", "ms": 1806844391998.4753 }, "end": { "local": "2027-04-04T20:15:36+05:30", "utc": "2027-04-04T14:45:36Z", "ms": 1806849935925.6096 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:27 on Sun 4 Apr to 05:24 on Mon 5 Apr.", "fact": "2027-04-03T22:57:03Z → 2027-04-04T23:53:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:15 on the 3rd, 18:43–20:16 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 3rd and 92 of 92 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29499 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Sunday 4 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": "2027-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-04", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Sunday 4 April. Trayodaśī runs from 04:27 on Sun 4 Apr to 05:24 on Mon 5 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-04-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16197, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-04-05T05:23:38+05:30", "utc": "2027-04-04T23:53:38Z", "ms": 1806882818427.6377 }, "end": { "local": "2027-04-06T05:40:56+05:30", "utc": "2027-04-06T00:10:56Z", "ms": 1806970255666.2585 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-05T05:23:38+05:30", "utc": "2027-04-04T23:53:38Z", "ms": 1806882818427.6377 }, "end": { "local": "2027-04-06T05:40:56+05:30", "utc": "2027-04-06T00:10:56Z", "ms": 1806970255666.2585 } }, "kaala": "nishita", "days": [ { "local_date": "2027-04-04", "window": { "start": { "local": "2027-04-05T00:05:42+05:30", "utc": "2027-04-04T18:35:42Z", "ms": 1806863741725.2288 }, "end": { "local": "2027-04-05T00:53:42+05:30", "utc": "2027-04-04T19:23:42Z", "ms": 1806866621725.2288 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-04-05", "window": { "start": { "local": "2027-04-06T00:05:25+05:30", "utc": "2027-04-05T18:35:25Z", "ms": 1806950124595.6257 }, "end": { "local": "2027-04-06T00:53:25+05:30", "utc": "2027-04-05T19:23:25Z", "ms": 1806953004595.6257 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:24 on Mon 5 Apr to 05:41 on Tue 6 Apr.", "fact": "2027-04-04T23:53:38Z → 2027-04-06T00:10:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:06–00:54 on the 4th, 00:05–00:53 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16197 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Monday 5 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": "2027-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-05", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Monday 5 April. Caturdaśī runs from 05:24 on Mon 5 Apr to 05:41 on Tue 6 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24249, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2027-04-07T05:21:10+05:30", "utc": "2027-04-06T23:51:10Z", "ms": 1807055469735.5483 }, "end": { "local": "2027-04-08T04:29:03+05:30", "utc": "2027-04-07T22:59:03Z", "ms": 1807138743188.9807 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-07T05:21:10+05:30", "utc": "2027-04-06T23:51:10Z", "ms": 1807055469735.5483 }, "end": { "local": "2027-04-08T04:29:03+05:30", "utc": "2027-04-07T22:59:03Z", "ms": 1807138743188.9807 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-07", "window": { "start": { "local": "2027-04-07T12:05:19+05:30", "utc": "2027-04-07T06:35:19Z", "ms": 1807079719011.9297 }, "end": { "local": "2027-04-07T12:53:19+05:30", "utc": "2027-04-07T07:23:19Z", "ms": 1807082599011.9297 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-04-08", "window": { "start": { "local": "2027-04-08T12:05:02+05:30", "utc": "2027-04-08T06:35:02Z", "ms": 1807166102336.9604 }, "end": { "local": "2027-04-08T12:53:02+05:30", "utc": "2027-04-08T07:23:02Z", "ms": 1807168982336.9604 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:21 on Wed 7 Apr to 04:29 on Thu 8 Apr.", "fact": "2027-04-06T23:51:10Z → 2027-04-07T22:59:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 7th, 12:05–12:53 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24249 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Ujjain, 2027: Wednesday 7 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-07", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-04-07" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Navarātrārambha (Caitra) (Chaitra Navratri) 2027 falls on Wednesday 7 April. Pratipadā runs from 05:21 on Wed 7 Apr to 04:29 on Thu 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32047, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2027-04-09T03:10:39+05:30", "utc": "2027-04-08T21:40:39Z", "ms": 1807220439119.7334 }, "end": { "local": "2027-04-10T01:32:24+05:30", "utc": "2027-04-09T20:02:24Z", "ms": 1807300944478.6821 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-09T03:10:39+05:30", "utc": "2027-04-08T21:40:39Z", "ms": 1807220439119.7334 }, "end": { "local": "2027-04-10T01:32:24+05:30", "utc": "2027-04-09T20:02:24Z", "ms": 1807300944478.6821 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-09", "window": { "start": { "local": "2027-04-09T12:04:46+05:30", "utc": "2027-04-09T06:34:46Z", "ms": 1807252485890.1045 }, "end": { "local": "2027-04-09T12:52:46+05:30", "utc": "2027-04-09T07:22:46Z", "ms": 1807255365890.1045 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-04-10", "window": { "start": { "local": "2027-04-10T12:04:30+05:30", "utc": "2027-04-10T06:34:30Z", "ms": 1807338869684.671 }, "end": { "local": "2027-04-10T12:52:30+05:30", "utc": "2027-04-10T07:22:30Z", "ms": 1807341749684.671 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:11 on Fri 9 Apr to 01:32 on Sat 10 Apr.", "fact": "2027-04-08T21:40:39Z → 2027-04-09T20:02:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 9th, 12:04–12:52 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32047 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Ujjain, 2027: Friday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-09", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-04-09" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Gaurī Tṛtīyā (Gangaur) 2027 falls on Friday 9 April. Tṛtīyā runs from 03:11 on Fri 9 Apr to 01:32 on Sat 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32047, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2027-04-09T03:10:39+05:30", "utc": "2027-04-08T21:40:39Z", "ms": 1807220439119.7334 }, "end": { "local": "2027-04-10T01:32:24+05:30", "utc": "2027-04-09T20:02:24Z", "ms": 1807300944478.6821 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-09T03:10:39+05:30", "utc": "2027-04-08T21:40:39Z", "ms": 1807220439119.7334 }, "end": { "local": "2027-04-10T01:32:24+05:30", "utc": "2027-04-09T20:02:24Z", "ms": 1807300944478.6821 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-09", "window": { "start": { "local": "2027-04-09T12:04:46+05:30", "utc": "2027-04-09T06:34:46Z", "ms": 1807252485890.1045 }, "end": { "local": "2027-04-09T12:52:46+05:30", "utc": "2027-04-09T07:22:46Z", "ms": 1807255365890.1045 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-04-10", "window": { "start": { "local": "2027-04-10T12:04:30+05:30", "utc": "2027-04-10T06:34:30Z", "ms": 1807338869684.671 }, "end": { "local": "2027-04-10T12:52:30+05:30", "utc": "2027-04-10T07:22:30Z", "ms": 1807341749684.671 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:11 on Fri 9 Apr to 01:32 on Sat 10 Apr.", "fact": "2027-04-08T21:40:39Z → 2027-04-09T20:02:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 9th, 12:04–12:52 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32047 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Ujjain, 2027: Friday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-09", "confidence": "determinate" } ], "quote": "In Ujjain, Saubhāgya Śayana Vrata 2027 falls on Friday 9 April. Tṛtīyā runs from 03:11 on Fri 9 Apr to 01:32 on Sat 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-04-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37925, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-04-10T01:32:24+05:30", "utc": "2027-04-09T20:02:24Z", "ms": 1807300944478.6821 }, "end": { "local": "2027-04-10T23:40:26+05:30", "utc": "2027-04-10T18:10:26Z", "ms": 1807380626383.0134 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-10T01:32:24+05:30", "utc": "2027-04-09T20:02:24Z", "ms": 1807300944478.6821 }, "end": { "local": "2027-04-10T23:40:26+05:30", "utc": "2027-04-10T18:10:26Z", "ms": 1807380626383.0134 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-10", "window": { "start": { "local": "2027-04-10T12:04:30+05:30", "utc": "2027-04-10T06:34:30Z", "ms": 1807338869684.671 }, "end": { "local": "2027-04-10T12:52:30+05:30", "utc": "2027-04-10T07:22:30Z", "ms": 1807341749684.671 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-04-11", "window": { "start": { "local": "2027-04-11T12:04:14+05:30", "utc": "2027-04-11T06:34:14Z", "ms": 1807425253733.8928 }, "end": { "local": "2027-04-11T12:52:14+05:30", "utc": "2027-04-11T07:22:14Z", "ms": 1807428133733.8928 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:32 on Sat 10 Apr to 23:40 on Sat 10 Apr.", "fact": "2027-04-09T20:02:24Z → 2027-04-10T18:10:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 10th, 12:04–12:52 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37925 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Saturday 10 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": "2027-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-10", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Saturday 10 April. Caturthī runs from 01:32 on Sat 10 Apr to 23:40 on Sat 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31668, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2027-04-10T23:40:26+05:30", "utc": "2027-04-10T18:10:26Z", "ms": 1807380626383.0134 }, "end": { "local": "2027-04-11T21:40:02+05:30", "utc": "2027-04-11T16:10:02Z", "ms": 1807459801876.578 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-10T23:40:26+05:30", "utc": "2027-04-10T18:10:26Z", "ms": 1807380626383.0134 }, "end": { "local": "2027-04-11T21:40:02+05:30", "utc": "2027-04-11T16:10:02Z", "ms": 1807459801876.578 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-10", "window": { "start": { "local": "2027-04-10T12:04:30+05:30", "utc": "2027-04-10T06:34:30Z", "ms": 1807338869684.671 }, "end": { "local": "2027-04-10T12:52:30+05:30", "utc": "2027-04-10T07:22:30Z", "ms": 1807341749684.671 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-04-11", "window": { "start": { "local": "2027-04-11T12:04:14+05:30", "utc": "2027-04-11T06:34:14Z", "ms": 1807425253733.8928 }, "end": { "local": "2027-04-11T12:52:14+05:30", "utc": "2027-04-11T07:22:14Z", "ms": 1807428133733.8928 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:40 on Sat 10 Apr to 21:40 on Sun 11 Apr.", "fact": "2027-04-10T18:10:26Z → 2027-04-11T16:10:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 10th, 12:04–12:52 on the 11th.", "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 10th and 48 of 48 on the 11th.", "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 31668 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Ujjain, 2027: Sunday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-11", "confidence": "determinate" } ], "quote": "In Ujjain, Lakṣmī Pañcamī 2027 falls on Sunday 11 April. Pañcamī runs from 23:40 on Sat 10 Apr to 21:40 on Sun 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33629, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2027-04-14T15:28:23+05:30", "utc": "2027-04-14T09:58:23Z", "ms": 1807696702803.8088 }, "end": { "local": "2027-05-15T12:19:44+05:30", "utc": "2027-05-15T06:49:44Z", "ms": 1810363784162.5273 } }, "span": { "of": "transit", "start": { "local": "2027-04-14T15:28:23+05:30", "utc": "2027-04-14T09:58:23Z", "ms": 1807696702803.8088 }, "end": { "local": "2027-04-14T15:28:23+05:30", "utc": "2027-04-14T09:58:23Z", "ms": 1807696702803.8088 } }, "kaala": "day", "days": [ { "local_date": "2027-04-13", "window": { "start": { "local": "2027-04-13T06:08:47+05:30", "utc": "2027-04-13T00:38:47Z", "ms": 1807576727120.2827 }, "end": { "local": "2027-04-14T06:07:53+05:30", "utc": "2027-04-14T00:37:53Z", "ms": 1807663073446.878 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "2027-04-14", "window": { "start": { "local": "2027-04-14T06:07:53+05:30", "utc": "2027-04-14T00:37:53Z", "ms": 1807663073446.878 }, "end": { "local": "2027-04-15T06:07:00+05:30", "utc": "2027-04-15T00:37:00Z", "ms": 1807749420263.9795 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 15:28 on Wed 14 Apr.", "fact": "2027-04-14T09:58:23Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:09 on the 13th, and from 06:08 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 33629 s" }, { "step": "ruling", "text": "Vaiśākhī, Ujjain, 2027: Wednesday 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": "2027-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2027-04-14", "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": "2027-04-14", "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." } }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-04-14" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Vaiśākhī (Baisakhi) 2027 falls on Wednesday 14 April. The Sun enters Meṣa at 15:28 on Wed 14 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9170, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2027-04-13T17:29:26+05:30", "utc": "2027-04-13T11:59:26Z", "ms": 1807617565511.7083 }, "end": { "local": "2027-04-14T15:24:17+05:30", "utc": "2027-04-14T09:54:17Z", "ms": 1807696457236.1677 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-13T17:29:26+05:30", "utc": "2027-04-13T11:59:26Z", "ms": 1807617565511.7083 }, "end": { "local": "2027-04-14T15:24:17+05:30", "utc": "2027-04-14T09:54:17Z", "ms": 1807696457236.1677 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-13", "window": { "start": { "local": "2027-04-13T12:03:43+05:30", "utc": "2027-04-13T06:33:43Z", "ms": 1807598022650.581 }, "end": { "local": "2027-04-13T12:51:43+05:30", "utc": "2027-04-13T07:21:43Z", "ms": 1807600902650.581 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-04-14", "window": { "start": { "local": "2027-04-14T12:03:28+05:30", "utc": "2027-04-14T06:33:28Z", "ms": 1807684407546.5796 }, "end": { "local": "2027-04-14T12:51:28+05:30", "utc": "2027-04-14T07:21:28Z", "ms": 1807687287546.5796 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:29 on Tue 13 Apr to 15:24 on Wed 14 Apr.", "fact": "2027-04-13T11:59:26Z → 2027-04-14T09:54:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 13th, 12:03–12:51 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9170 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Ujjain, 2027: Wednesday 14 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-14", "confidence": "determinate" } ], "quote": "In Ujjain, Bhavānī Utpatti 2027 falls on Wednesday 14 April. Aṣṭamī runs from 17:29 on Tue 13 Apr to 15:24 on Wed 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1811, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2027-04-14T15:24:17+05:30", "utc": "2027-04-14T09:54:17Z", "ms": 1807696457236.1677 }, "end": { "local": "2027-04-15T13:21:24+05:30", "utc": "2027-04-15T07:51:24Z", "ms": 1807775483921.5981 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-14T15:24:17+05:30", "utc": "2027-04-14T09:54:17Z", "ms": 1807696457236.1677 }, "end": { "local": "2027-04-15T13:21:24+05:30", "utc": "2027-04-15T07:51:24Z", "ms": 1807775483921.5981 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-14", "window": { "start": { "local": "2027-04-14T12:03:28+05:30", "utc": "2027-04-14T06:33:28Z", "ms": 1807684407546.5796 }, "end": { "local": "2027-04-14T12:51:28+05:30", "utc": "2027-04-14T07:21:28Z", "ms": 1807687287546.5796 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-04-15", "window": { "start": { "local": "2027-04-15T12:03:13+05:30", "utc": "2027-04-15T06:33:13Z", "ms": 1807770792754.608 }, "end": { "local": "2027-04-15T12:51:13+05:30", "utc": "2027-04-15T07:21:13Z", "ms": 1807773672754.608 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 15:24 on Wed 14 Apr to 13:21 on Thu 15 Apr.", "fact": "2027-04-14T09:54:17Z → 2027-04-15T07:51:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 14th, 12:03–12:51 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1811 s" }, { "step": "ruling", "text": "Rāma Navamī, Ujjain, 2027: Thursday 15 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-15", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2027-04-15" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Rāma Navamī 2027 falls on Thursday 15 April. Navamī runs from 15:24 on Wed 14 Apr to 13:21 on Thu 15 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-04-17", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12184, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-04-16T11:22:08+05:30", "utc": "2027-04-16T05:52:08Z", "ms": 1807854728296.4392 }, "end": { "local": "2027-04-17T09:28:20+05:30", "utc": "2027-04-17T03:58:20Z", "ms": 1807934299646.4414 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-16T11:22:08+05:30", "utc": "2027-04-16T05:52:08Z", "ms": 1807854728296.4392 }, "end": { "local": "2027-04-17T09:28:20+05:30", "utc": "2027-04-17T03:58:20Z", "ms": 1807934299646.4414 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-04-16", "window": { "start": { "local": "2027-04-16T06:06:08+05:30", "utc": "2027-04-16T00:36:08Z", "ms": 1807835767595.8472 }, "end": { "local": "2027-04-16T06:06:08+05:30", "utc": "2027-04-16T00:36:08Z", "ms": 1807835767595.8472 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-04-17", "window": { "start": { "local": "2027-04-17T06:05:15+05:30", "utc": "2027-04-17T00:35:15Z", "ms": 1807922115467.33 }, "end": { "local": "2027-04-17T06:05:15+05:30", "utc": "2027-04-17T00:35:15Z", "ms": 1807922115467.33 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:22 on Fri 16 Apr to 09:28 on Sat 17 Apr.", "fact": "2027-04-16T05:52:08Z → 2027-04-17T03:58:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 16th and 06:05 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "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 12184 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Ujjain, 2027: Saturday 17 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": "2027-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-17", "confidence": "determinate" } ], "quote": "In Ujjain, Kāmadā Ekādaśī 2027 falls on Saturday 17 April. Ekādaśī runs from 11:22 on Fri 16 Apr to 09:28 on Sat 17 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15591, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-04-18T07:42:39+05:30", "utc": "2027-04-18T02:12:39Z", "ms": 1808014358984.9758 }, "end": { "local": "2027-04-19T06:08:53+05:30", "utc": "2027-04-19T00:38:53Z", "ms": 1808095132570.1252 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-18T07:42:39+05:30", "utc": "2027-04-18T02:12:39Z", "ms": 1808014358984.9758 }, "end": { "local": "2027-04-19T06:08:53+05:30", "utc": "2027-04-19T00:38:53Z", "ms": 1808095132570.1252 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-18", "window": { "start": { "local": "2027-04-18T12:02:30+05:30", "utc": "2027-04-18T06:32:30Z", "ms": 1808029950416.154 }, "end": { "local": "2027-04-18T12:50:30+05:30", "utc": "2027-04-18T07:20:30Z", "ms": 1808032830416.154 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-04-19", "window": { "start": { "local": "2027-04-19T12:02:17+05:30", "utc": "2027-04-19T06:32:17Z", "ms": 1808116337040.329 }, "end": { "local": "2027-04-19T12:50:17+05:30", "utc": "2027-04-19T07:20:17Z", "ms": 1808119217040.329 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:43 on Sun 18 Apr to 06:09 on Mon 19 Apr.", "fact": "2027-04-18T02:12:39Z → 2027-04-19T00:38:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 18th, 12:02–12:50 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15591 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Ujjain, 2027: Sunday 18 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-18", "confidence": "determinate" } ], "quote": "In Ujjain, Anaṅga Trayodaśī 2027 falls on Sunday 18 April. Trayodaśī runs from 07:43 on Sun 18 Apr to 06:09 on Mon 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/pradosha-vrata?on=2027-04-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35416, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-04-18T07:42:39+05:30", "utc": "2027-04-18T02:12:39Z", "ms": 1808014358984.9758 }, "end": { "local": "2027-04-19T06:08:53+05:30", "utc": "2027-04-19T00:38:53Z", "ms": 1808095132570.1252 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-18T07:42:39+05:30", "utc": "2027-04-18T02:12:39Z", "ms": 1808014358984.9758 }, "end": { "local": "2027-04-19T06:08:53+05:30", "utc": "2027-04-19T00:38:53Z", "ms": 1808095132570.1252 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-04-17", "window": { "start": { "local": "2027-04-17T18:48:13+05:30", "utc": "2027-04-17T13:18:13Z", "ms": 1807967892877.1294 }, "end": { "local": "2027-04-17T20:18:22+05:30", "utc": "2027-04-17T14:48:22Z", "ms": 1807973302347.344 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "2027-04-18", "window": { "start": { "local": "2027-04-18T18:48:37+05:30", "utc": "2027-04-18T13:18:37Z", "ms": 1808054316928.5684 }, "end": { "local": "2027-04-18T20:18:36+05:30", "utc": "2027-04-18T14:48:36Z", "ms": 1808059716395.5195 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:43 on Sun 18 Apr to 06:09 on Mon 19 Apr.", "fact": "2027-04-18T02:12:39Z → 2027-04-19T00:38:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:18 on the 17th, 18:49–20:19 on the 18th.", "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 90 minutes on the 17th and 90 of 90 on the 18th.", "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 35416 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Sunday 18 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": "2027-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-18", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Sunday 18 April. Trayodaśī runs from 07:43 on Sun 18 Apr to 06:09 on Mon 19 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21204, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-04-19T06:08:53+05:30", "utc": "2027-04-19T00:38:53Z", "ms": 1808095132570.1252 }, "end": { "local": "2027-04-20T04:51:51+05:30", "utc": "2027-04-19T23:21:51Z", "ms": 1808176910567.964 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-19T06:08:53+05:30", "utc": "2027-04-19T00:38:53Z", "ms": 1808095132570.1252 }, "end": { "local": "2027-04-20T04:51:51+05:30", "utc": "2027-04-19T23:21:51Z", "ms": 1808176910567.964 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-19", "window": { "start": { "local": "2027-04-19T12:02:17+05:30", "utc": "2027-04-19T06:32:17Z", "ms": 1808116337040.329 }, "end": { "local": "2027-04-19T12:50:17+05:30", "utc": "2027-04-19T07:20:17Z", "ms": 1808119217040.329 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-04-20", "window": { "start": { "local": "2027-04-20T12:02:04+05:30", "utc": "2027-04-20T06:32:04Z", "ms": 1808202724062.4263 }, "end": { "local": "2027-04-20T12:50:04+05:30", "utc": "2027-04-20T07:20:04Z", "ms": 1808205604062.4263 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:09 on Mon 19 Apr to 04:52 on Tue 20 Apr.", "fact": "2027-04-19T00:38:53Z → 2027-04-19T23:21:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 19th, 12:02–12:50 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī 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 21204 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Ujjain, 2027: Monday 19 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": "2027-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-19", "confidence": "determinate" } ], "quote": "In Ujjain, Viṣṇudamanaka Caturdaśī 2027 falls on Monday 19 April. Caturdaśī runs from 06:09 on Mon 19 Apr to 04:52 on Tue 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25813, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-04-20T04:51:51+05:30", "utc": "2027-04-19T23:21:51Z", "ms": 1808176910567.964 }, "end": { "local": "2027-04-21T03:57:10+05:30", "utc": "2027-04-20T22:27:10Z", "ms": 1808260029598.341 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2027-04-20T04:51:51+05:30", "utc": "2027-04-19T23:21:51Z", "ms": 1808176910567.964 }, "end": { "local": "2027-04-21T03:57:10+05:30", "utc": "2027-04-20T22:27:10Z", "ms": 1808260029598.341 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-04-20", "window": { "start": { "local": "2027-04-20T12:02:04+05:30", "utc": "2027-04-20T06:32:04Z", "ms": 1808202724062.4263 }, "end": { "local": "2027-04-20T12:50:04+05:30", "utc": "2027-04-20T07:20:04Z", "ms": 1808205604062.4263 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-04-21", "window": { "start": { "local": "2027-04-21T12:01:51+05:30", "utc": "2027-04-21T06:31:51Z", "ms": 1808289111499.7947 }, "end": { "local": "2027-04-21T12:49:51+05:30", "utc": "2027-04-21T07:19:51Z", "ms": 1808291991499.7947 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:52 on Tue 20 Apr to 03:57 on Wed 21 Apr.", "fact": "2027-04-19T23:21:51Z → 2027-04-20T22:27:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 20th, 12:02–12:50 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25813 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Ujjain, 2027: Tuesday 20 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": "2027-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-20", "confidence": "determinate" } ], "quote": "In Ujjain, Caitrī Pūrṇimā 2027 falls on Tuesday 20 April. Pūrṇimā runs from 04:52 on Tue 20 Apr to 03:57 on Wed 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-04-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25049, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-04-24T04:21:11+05:30", "utc": "2027-04-23T22:51:11Z", "ms": 1808520671048 }, "end": { "local": "2027-04-25T05:42:15+05:30", "utc": "2027-04-25T00:12:15Z", "ms": 1808611935172.7146 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-04-24T04:21:11+05:30", "utc": "2027-04-23T22:51:11Z", "ms": 1808520671048 }, "end": { "local": "2027-04-25T05:42:15+05:30", "utc": "2027-04-25T00:12:15Z", "ms": 1808611935172.7146 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-04-23", "window": { "start": { "local": "2027-04-23T21:23:42+05:30", "utc": "2027-04-23T15:53:42Z", "ms": 1808495621924.232 }, "end": { "local": "2027-04-23T21:23:42+05:30", "utc": "2027-04-23T15:53:42Z", "ms": 1808495621924.232 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-04-24", "window": { "start": { "local": "2027-04-24T22:19:39+05:30", "utc": "2027-04-24T16:49:39Z", "ms": 1808585378546.0188 }, "end": { "local": "2027-04-24T22:19:39+05:30", "utc": "2027-04-24T16:49:39Z", "ms": 1808585378546.0188 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:21 on Sat 24 Apr to 05:42 on Sun 25 Apr.", "fact": "2027-04-23T22:51:11Z → 2027-04-25T00:12:15Z" }, { "step": "kaala", "text": "Moonrise is at 21:24 on the 23rd and 22:20 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.", "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 25049 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Saturday 24 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": "2027-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-04-24", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Saturday 24 April. Caturthī runs from 04:21 on Sat 24 Apr to 05:42 on Sun 25 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-04-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ekadashi?on=2027-05-02", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36032, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-05-01T18:54:08+05:30", "utc": "2027-05-01T13:24:08Z", "ms": 1809177848155.1274 }, "end": { "local": "2027-05-02T19:52:23+05:30", "utc": "2027-05-02T14:22:23Z", "ms": 1809267743284.0374 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-01T18:54:08+05:30", "utc": "2027-05-01T13:24:08Z", "ms": 1809177848155.1274 }, "end": { "local": "2027-05-02T19:52:23+05:30", "utc": "2027-05-02T14:22:23Z", "ms": 1809267743284.0374 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-05-02", "window": { "start": { "local": "2027-05-02T05:53:35+05:30", "utc": "2027-05-02T00:23:35Z", "ms": 1809217415387.2915 }, "end": { "local": "2027-05-02T05:53:35+05:30", "utc": "2027-05-02T00:23:35Z", "ms": 1809217415387.2915 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-05-03", "window": { "start": { "local": "2027-05-03T05:52:55+05:30", "utc": "2027-05-03T00:22:55Z", "ms": 1809303775234.2778 }, "end": { "local": "2027-05-03T05:52:55+05:30", "utc": "2027-05-03T00:22:55Z", "ms": 1809303775234.2778 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:54 on Sat 1 May to 19:52 on Sun 2 May.", "fact": "2027-05-01T13:24:08Z → 2027-05-02T14:22:23Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 2nd and 05:53 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36032 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Ujjain, 2027: Sunday 2 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": "2027-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-02", "confidence": "determinate" } ], "quote": "In Ujjain, Varūthinī Ekādaśī 2027 falls on Sunday 2 May. Ekādaśī runs from 18:54 on Sat 1 May to 19:52 on Sun 2 May and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-05-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1081, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-05-03T20:04:38+05:30", "utc": "2027-05-03T14:34:38Z", "ms": 1809354878145.582 }, "end": { "local": "2027-05-04T19:31:25+05:30", "utc": "2027-05-04T14:01:25Z", "ms": 1809439284783.1045 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-03T20:04:38+05:30", "utc": "2027-05-03T14:34:38Z", "ms": 1809354878145.582 }, "end": { "local": "2027-05-04T19:31:25+05:30", "utc": "2027-05-04T14:01:25Z", "ms": 1809439284783.1045 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-05-03", "window": { "start": { "local": "2027-05-03T18:55:01+05:30", "utc": "2027-05-03T13:25:01Z", "ms": 1809350701432.7112 }, "end": { "local": "2027-05-03T20:22:39+05:30", "utc": "2027-05-03T14:52:39Z", "ms": 1809355959376.5532 } }, "covered_min": 18, "window_min": 88, "qualifies": true }, { "local_date": "2027-05-04", "window": { "start": { "local": "2027-05-04T18:55:29+05:30", "utc": "2027-05-04T13:25:29Z", "ms": 1809437128697.1387 }, "end": { "local": "2027-05-04T20:22:58+05:30", "utc": "2027-05-04T14:52:58Z", "ms": 1809442377902.1736 } }, "covered_min": 36, "window_min": 87, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:05 on Mon 3 May to 19:31 on Tue 4 May.", "fact": "2027-05-03T14:34:38Z → 2027-05-04T14:01:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:23 on the 3rd, 18:55–20:23 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 18 of 88 minutes on the 3rd and 36 of 87 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1081 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Tuesday 4 May.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-03", "confidence": "boundary" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Tuesday 4 May. Trayodaśī runs from 20:05 on Mon 3 May to 19:31 on Tue 4 May and covers 36 of 87 minutes of pradoṣa that evening. It also reaches the previous evening for 18 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/ujjain/festivals/2027/pradosha-vrata?on=2027-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-05-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16088, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-05-04T19:31:25+05:30", "utc": "2027-05-04T14:01:25Z", "ms": 1809439284783.1045 }, "end": { "local": "2027-05-05T18:17:05+05:30", "utc": "2027-05-05T12:47:05Z", "ms": 1809521225461.4895 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-04T19:31:25+05:30", "utc": "2027-05-04T14:01:25Z", "ms": 1809439284783.1045 }, "end": { "local": "2027-05-05T18:17:05+05:30", "utc": "2027-05-05T12:47:05Z", "ms": 1809521225461.4895 } }, "kaala": "nishita", "days": [ { "local_date": "2027-05-04", "window": { "start": { "local": "2027-05-04T23:59:33+05:30", "utc": "2027-05-04T18:29:33Z", "ms": 1809455373216.019 }, "end": { "local": "2027-05-05T00:47:33+05:30", "utc": "2027-05-04T19:17:33Z", "ms": 1809458253216.019 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-05-05", "window": { "start": { "local": "2027-05-05T23:59:28+05:30", "utc": "2027-05-05T18:29:28Z", "ms": 1809541768277.3762 }, "end": { "local": "2027-05-06T00:47:28+05:30", "utc": "2027-05-05T19:17:28Z", "ms": 1809544648277.3762 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:31 on Tue 4 May to 18:17 on Wed 5 May.", "fact": "2027-05-04T14:01:25Z → 2027-05-05T12:47:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:00–00:48 on the 4th, 23:59–00:47 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16088 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Tuesday 4 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": "2027-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-04", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Tuesday 4 May. Caturdaśī runs from 19:31 on Tue 4 May to 18:17 on Wed 5 May and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26042, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2027-05-08T11:43:18+05:30", "utc": "2027-05-08T06:13:18Z", "ms": 1809756797549.7322 }, "end": { "local": "2027-05-09T09:03:45+05:30", "utc": "2027-05-09T03:33:45Z", "ms": 1809833624504.8396 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-08T11:43:18+05:30", "utc": "2027-05-08T06:13:18Z", "ms": 1809756797549.7322 }, "end": { "local": "2027-05-09T09:03:45+05:30", "utc": "2027-05-09T03:33:45Z", "ms": 1809833624504.8396 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-05-08", "window": { "start": { "local": "2027-05-08T18:57:19+05:30", "utc": "2027-05-08T13:27:19Z", "ms": 1809782839368.1418 }, "end": { "local": "2027-05-08T20:24:15+05:30", "utc": "2027-05-08T14:54:15Z", "ms": 1809788054700.3047 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "2027-05-09", "window": { "start": { "local": "2027-05-09T18:57:47+05:30", "utc": "2027-05-09T13:27:47Z", "ms": 1809869267367.0327 }, "end": { "local": "2027-05-09T20:24:35+05:30", "utc": "2027-05-09T14:54:35Z", "ms": 1809874474518.9917 } }, "covered_min": 0, "window_min": 87, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:43 on Sat 8 May to 09:04 on Sun 9 May.", "fact": "2027-05-08T06:13:18Z → 2027-05-09T03:33:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:24 on the 8th, 18:58–20:25 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 87 of 87 minutes on the 8th and 0 of 87 on the 9th.", "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 26042 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Ujjain, 2027: Saturday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-08", "confidence": "determinate" } ], "quote": "In Ujjain, Paraśurāma Jayantī 2027 falls on Saturday 8 May. Tṛtīyā runs from 11:43 on Sat 8 May to 09:04 on Sun 9 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4101, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2027-05-08T11:43:18+05:30", "utc": "2027-05-08T06:13:18Z", "ms": 1809756797549.7322 }, "end": { "local": "2027-05-09T09:03:45+05:30", "utc": "2027-05-09T03:33:45Z", "ms": 1809833624504.8396 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-08T11:43:18+05:30", "utc": "2027-05-08T06:13:18Z", "ms": 1809756797549.7322 }, "end": { "local": "2027-05-09T09:03:45+05:30", "utc": "2027-05-09T03:33:45Z", "ms": 1809833624504.8396 } }, "kaala": "purvahna", "days": [ { "local_date": "2027-05-08", "window": { "start": { "local": "2027-05-08T05:49:49+05:30", "utc": "2027-05-08T00:19:49Z", "ms": 1809735588719.5337 }, "end": { "local": "2027-05-08T10:12:19+05:30", "utc": "2027-05-08T04:42:19Z", "ms": 1809751338935.7363 } }, "covered_min": 0, "window_min": 263, "qualifies": false }, { "local_date": "2027-05-09", "window": { "start": { "local": "2027-05-09T05:49:14+05:30", "utc": "2027-05-09T00:19:14Z", "ms": 1809821954359.3633 }, "end": { "local": "2027-05-09T10:12:05+05:30", "utc": "2027-05-09T04:42:05Z", "ms": 1809837725361.9197 } }, "covered_min": 195, "window_min": 263, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:43 on Sat 8 May to 09:04 on Sun 9 May.", "fact": "2027-05-08T06:13:18Z → 2027-05-09T03:33:45Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:50–10:12 on the 8th, 05:49–10:12 on the 9th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 263 minutes on the 8th and 195 of 263 on the 9th.", "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 4101 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Ujjain, 2027: Sunday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-09", "confidence": "determinate" } ], "quote": "In Ujjain, Akṣaya Tṛtīyā (Akha Teej) 2027 falls on Sunday 9 May. Tṛtīyā runs from 11:43 on Sat 8 May to 09:04 on Sun 9 May and covers 195 of 263 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-05-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10546, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-05-09T09:03:45+05:30", "utc": "2027-05-09T03:33:45Z", "ms": 1809833624504.8396 }, "end": { "local": "2027-05-10T06:23:24+05:30", "utc": "2027-05-10T00:53:24Z", "ms": 1809910404194.2505 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-09T09:03:45+05:30", "utc": "2027-05-09T03:33:45Z", "ms": 1809833624504.8396 }, "end": { "local": "2027-05-10T06:23:24+05:30", "utc": "2027-05-10T00:53:24Z", "ms": 1809910404194.2505 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-05-09", "window": { "start": { "local": "2027-05-09T11:59:31+05:30", "utc": "2027-05-09T06:29:31Z", "ms": 1809844170863.198 }, "end": { "local": "2027-05-09T12:47:31+05:30", "utc": "2027-05-09T07:17:31Z", "ms": 1809847050863.198 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-05-10", "window": { "start": { "local": "2027-05-10T11:59:28+05:30", "utc": "2027-05-10T06:29:28Z", "ms": 1809930568236.3281 }, "end": { "local": "2027-05-10T12:47:28+05:30", "utc": "2027-05-10T07:17:28Z", "ms": 1809933448236.3281 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:04 on Sun 9 May to 06:23 on Mon 10 May.", "fact": "2027-05-09T03:33:45Z → 2027-05-10T00:53:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 9th, 11:59–12:47 on the 10th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10546 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Sunday 9 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-09", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Sunday 9 May. Caturthī runs from 09:04 on Sun 9 May to 06:23 on Mon 10 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-05-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20164, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2027-05-10T06:23:24+05:30", "utc": "2027-05-10T00:53:24Z", "ms": 1809910404194.2505 }, "end": { "local": "2027-05-11T03:48:37+05:30", "utc": "2027-05-10T22:18:37Z", "ms": 1809987517343.3567 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-10T06:23:24+05:30", "utc": "2027-05-10T00:53:24Z", "ms": 1809910404194.2505 }, "end": { "local": "2027-05-11T03:48:37+05:30", "utc": "2027-05-10T22:18:37Z", "ms": 1809987517343.3567 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-05-10", "window": { "start": { "local": "2027-05-10T11:59:28+05:30", "utc": "2027-05-10T06:29:28Z", "ms": 1809930568236.3281 }, "end": { "local": "2027-05-10T12:47:28+05:30", "utc": "2027-05-10T07:17:28Z", "ms": 1809933448236.3281 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-05-11", "window": { "start": { "local": "2027-05-11T11:59:26+05:30", "utc": "2027-05-11T06:29:26Z", "ms": 1810016966160.3547 }, "end": { "local": "2027-05-11T12:47:26+05:30", "utc": "2027-05-11T07:17:26Z", "ms": 1810019846160.3547 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:23 on Mon 10 May to 03:49 on Tue 11 May.", "fact": "2027-05-10T00:53:24Z → 2027-05-10T22:18:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 10th, 11:59–12:47 on the 11th.", "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 10th and 0 of 48 on the 11th.", "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 20164 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Ujjain, 2027: Monday 10 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-10", "confidence": "determinate" } ], "quote": "In Ujjain, Śaṅkara Jayantī (Shankaracharya Jayanti) 2027 falls on Monday 10 May. Pañcamī runs from 06:23 on Mon 10 May to 03:49 on Tue 11 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37565, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2027-05-12T01:24:14+05:30", "utc": "2027-05-11T19:54:14Z", "ms": 1810065253734.9697 }, "end": { "local": "2027-05-12T23:13:30+05:30", "utc": "2027-05-12T17:43:30Z", "ms": 1810143809934.5293 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-12T01:24:14+05:30", "utc": "2027-05-11T19:54:14Z", "ms": 1810065253734.9697 }, "end": { "local": "2027-05-12T23:13:30+05:30", "utc": "2027-05-12T17:43:30Z", "ms": 1810143809934.5293 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-05-11", "window": { "start": { "local": "2027-05-11T11:59:26+05:30", "utc": "2027-05-11T06:29:26Z", "ms": 1810016966160.3547 }, "end": { "local": "2027-05-11T12:47:26+05:30", "utc": "2027-05-11T07:17:26Z", "ms": 1810019846160.3547 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-05-12", "window": { "start": { "local": "2027-05-12T11:59:25+05:30", "utc": "2027-05-12T06:29:25Z", "ms": 1810103364632.8213 }, "end": { "local": "2027-05-12T12:47:25+05:30", "utc": "2027-05-12T07:17:25Z", "ms": 1810106244632.8213 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 01:24 on Wed 12 May to 23:13 on Wed 12 May.", "fact": "2027-05-11T19:54:14Z → 2027-05-12T17:43:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 11th, 11:59–12:47 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37565 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Ujjain, 2027: Wednesday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-12", "confidence": "determinate" } ], "quote": "In Ujjain, Gaṅgotpatti (Ganga Saptami) 2027 falls on Wednesday 12 May. Saptamī runs from 01:24 on Wed 12 May to 23:13 on Wed 12 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-05-16", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41263, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-05-15T18:18:00+05:30", "utc": "2027-05-15T12:48:00Z", "ms": 1810385279574.87 }, "end": { "local": "2027-05-16T17:13:56+05:30", "utc": "2027-05-16T11:43:56Z", "ms": 1810467835530.0874 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-15T18:18:00+05:30", "utc": "2027-05-15T12:48:00Z", "ms": 1810385279574.87 }, "end": { "local": "2027-05-16T17:13:56+05:30", "utc": "2027-05-16T11:43:56Z", "ms": 1810467835530.0874 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-05-16", "window": { "start": { "local": "2027-05-16T05:45:43+05:30", "utc": "2027-05-16T00:15:43Z", "ms": 1810426542684.0122 }, "end": { "local": "2027-05-16T05:45:43+05:30", "utc": "2027-05-16T00:15:43Z", "ms": 1810426542684.0122 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-05-17", "window": { "start": { "local": "2027-05-17T05:45:17+05:30", "utc": "2027-05-17T00:15:17Z", "ms": 1810512916707.516 }, "end": { "local": "2027-05-17T05:45:17+05:30", "utc": "2027-05-17T00:15:17Z", "ms": 1810512916707.516 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:18 on Sat 15 May to 17:14 on Sun 16 May.", "fact": "2027-05-15T12:48:00Z → 2027-05-16T11:43:56Z" }, { "step": "kaala", "text": "Sunrise is at 05:46 on the 16th and 05:45 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "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 41263 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Ujjain, 2027: Sunday 16 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": "2027-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-16", "confidence": "determinate" } ], "quote": "In Ujjain, Mohinī Ekādaśī 2027 falls on Sunday 16 May. Ekādaśī runs from 18:18 on Sat 15 May to 17:14 on Sun 16 May and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13275, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2027-05-16T17:13:56+05:30", "utc": "2027-05-16T11:43:56Z", "ms": 1810467835530.0874 }, "end": { "local": "2027-05-17T16:28:41+05:30", "utc": "2027-05-17T10:58:41Z", "ms": 1810551520600.3916 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-16T17:13:56+05:30", "utc": "2027-05-16T11:43:56Z", "ms": 1810467835530.0874 }, "end": { "local": "2027-05-17T16:28:41+05:30", "utc": "2027-05-17T10:58:41Z", "ms": 1810551520600.3916 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-05-16", "window": { "start": { "local": "2027-05-16T11:59:24+05:30", "utc": "2027-05-16T06:29:24Z", "ms": 1810448963976.9595 }, "end": { "local": "2027-05-16T12:47:24+05:30", "utc": "2027-05-16T07:17:24Z", "ms": 1810451843976.9595 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-05-17", "window": { "start": { "local": "2027-05-17T11:59:25+05:30", "utc": "2027-05-17T06:29:25Z", "ms": 1810535365172.1855 }, "end": { "local": "2027-05-17T12:47:25+05:30", "utc": "2027-05-17T07:17:25Z", "ms": 1810538245172.1855 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:14 on Sun 16 May to 16:29 on Mon 17 May.", "fact": "2027-05-16T11:43:56Z → 2027-05-17T10:58:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 16th, 11:59–12:47 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13275 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Ujjain, 2027: Monday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-17", "confidence": "determinate" } ], "quote": "In Ujjain, Paraśurāma Dvādaśī 2027 falls on Monday 17 May. Dvādaśī runs from 17:14 on Sun 16 May to 16:29 on Mon 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13275, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2027-05-16T17:13:56+05:30", "utc": "2027-05-16T11:43:56Z", "ms": 1810467835530.0874 }, "end": { "local": "2027-05-17T16:28:41+05:30", "utc": "2027-05-17T10:58:41Z", "ms": 1810551520600.3916 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-16T17:13:56+05:30", "utc": "2027-05-16T11:43:56Z", "ms": 1810467835530.0874 }, "end": { "local": "2027-05-17T16:28:41+05:30", "utc": "2027-05-17T10:58:41Z", "ms": 1810551520600.3916 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-05-16", "window": { "start": { "local": "2027-05-16T11:59:24+05:30", "utc": "2027-05-16T06:29:24Z", "ms": 1810448963976.9595 }, "end": { "local": "2027-05-16T12:47:24+05:30", "utc": "2027-05-16T07:17:24Z", "ms": 1810451843976.9595 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-05-17", "window": { "start": { "local": "2027-05-17T11:59:25+05:30", "utc": "2027-05-17T06:29:25Z", "ms": 1810535365172.1855 }, "end": { "local": "2027-05-17T12:47:25+05:30", "utc": "2027-05-17T07:17:25Z", "ms": 1810538245172.1855 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:14 on Sun 16 May to 16:29 on Mon 17 May.", "fact": "2027-05-16T11:43:56Z → 2027-05-17T10:58:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 16th, 11:59–12:47 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13275 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Ujjain, 2027: Monday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-17", "confidence": "determinate" } ], "quote": "In Ujjain, Rukmiṇī Dvādaśī 2027 falls on Monday 17 May. Dvādaśī runs from 17:14 on Sun 16 May to 16:29 on Mon 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/pradosha-vrata?on=2027-05-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9173, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-05-17T16:28:41+05:30", "utc": "2027-05-17T10:58:41Z", "ms": 1810551520600.3916 }, "end": { "local": "2027-05-18T16:04:15+05:30", "utc": "2027-05-18T10:34:15Z", "ms": 1810636455274.3013 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-17T16:28:41+05:30", "utc": "2027-05-17T10:58:41Z", "ms": 1810551520600.3916 }, "end": { "local": "2027-05-18T16:04:15+05:30", "utc": "2027-05-18T10:34:15Z", "ms": 1810636455274.3013 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-05-17", "window": { "start": { "local": "2027-05-17T19:01:34+05:30", "utc": "2027-05-17T13:31:34Z", "ms": 1810560693636.8547 }, "end": { "local": "2027-05-17T20:27:20+05:30", "utc": "2027-05-17T14:57:20Z", "ms": 1810565840063.0078 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2027-05-18", "window": { "start": { "local": "2027-05-18T19:02:02+05:30", "utc": "2027-05-18T13:32:02Z", "ms": 1810647121985.892 }, "end": { "local": "2027-05-18T20:27:41+05:30", "utc": "2027-05-18T14:57:41Z", "ms": 1810652261464.0461 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:29 on Mon 17 May to 16:04 on Tue 18 May.", "fact": "2027-05-17T10:58:41Z → 2027-05-18T10:34:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:02–20:27 on the 17th, 19:02–20:28 on the 18th.", "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 17th and 0 of 86 on the 18th.", "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 9173 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Monday 17 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": "2027-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-17", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Monday 17 May. Trayodaśī runs from 16:29 on Mon 17 May to 16:04 on Tue 18 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-05-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10667, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-05-18T16:04:15+05:30", "utc": "2027-05-18T10:34:15Z", "ms": 1810636455274.3013 }, "end": { "local": "2027-05-19T16:03:22+05:30", "utc": "2027-05-19T10:33:22Z", "ms": 1810722802408.165 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-18T16:04:15+05:30", "utc": "2027-05-18T10:34:15Z", "ms": 1810636455274.3013 }, "end": { "local": "2027-05-19T16:03:22+05:30", "utc": "2027-05-19T10:33:22Z", "ms": 1810722802408.165 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-05-18", "window": { "start": { "local": "2027-05-18T19:02:02+05:30", "utc": "2027-05-18T13:32:02Z", "ms": 1810647121985.892 }, "end": { "local": "2027-05-18T20:27:41+05:30", "utc": "2027-05-18T14:57:41Z", "ms": 1810652261464.0461 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2027-05-19", "window": { "start": { "local": "2027-05-19T19:02:30+05:30", "utc": "2027-05-19T13:32:30Z", "ms": 1810733550302.642 }, "end": { "local": "2027-05-19T20:28:03+05:30", "utc": "2027-05-19T14:58:03Z", "ms": 1810738682987.0518 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:04 on Tue 18 May to 16:03 on Wed 19 May.", "fact": "2027-05-18T10:34:15Z → 2027-05-19T10:33:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:02–20:28 on the 18th, 19:03–20:28 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 18th and 0 of 86 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 10667 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Ujjain, 2027: Tuesday 18 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-18", "confidence": "determinate" } ], "quote": "In Ujjain, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2027 falls on Tuesday 18 May. Caturdaśī runs from 16:04 on Tue 18 May to 16:03 on Wed 19 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11753, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-05-19T16:03:22+05:30", "utc": "2027-05-19T10:33:22Z", "ms": 1810722802408.165 }, "end": { "local": "2027-05-20T16:29:02+05:30", "utc": "2027-05-20T10:59:02Z", "ms": 1810810741585.911 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-19T16:03:22+05:30", "utc": "2027-05-19T10:33:22Z", "ms": 1810722802408.165 }, "end": { "local": "2027-05-20T16:29:02+05:30", "utc": "2027-05-20T10:59:02Z", "ms": 1810810741585.911 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-05-19", "window": { "start": { "local": "2027-05-19T11:59:29+05:30", "utc": "2027-05-19T06:29:29Z", "ms": 1810708169187.3447 }, "end": { "local": "2027-05-19T12:47:29+05:30", "utc": "2027-05-19T07:17:29Z", "ms": 1810711049187.3447 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-05-20", "window": { "start": { "local": "2027-05-20T11:59:32+05:30", "utc": "2027-05-20T06:29:32Z", "ms": 1810794572003.815 }, "end": { "local": "2027-05-20T12:47:32+05:30", "utc": "2027-05-20T07:17:32Z", "ms": 1810797452003.815 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:03 on Wed 19 May to 16:29 on Thu 20 May.", "fact": "2027-05-19T10:33:22Z → 2027-05-20T10:59:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 19th, 12:00–12:48 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11753 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Ujjain, 2027: Thursday 20 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-20", "confidence": "determinate" } ], "quote": "In Ujjain, Buddha Pūrṇimā (Vesak) 2027 falls on Thursday 20 May. Pūrṇimā runs from 16:03 on Wed 19 May to 16:29 on Thu 20 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11753, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-05-19T16:03:22+05:30", "utc": "2027-05-19T10:33:22Z", "ms": 1810722802408.165 }, "end": { "local": "2027-05-20T16:29:02+05:30", "utc": "2027-05-20T10:59:02Z", "ms": 1810810741585.911 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-19T16:03:22+05:30", "utc": "2027-05-19T10:33:22Z", "ms": 1810722802408.165 }, "end": { "local": "2027-05-20T16:29:02+05:30", "utc": "2027-05-20T10:59:02Z", "ms": 1810810741585.911 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-05-19", "window": { "start": { "local": "2027-05-19T11:59:29+05:30", "utc": "2027-05-19T06:29:29Z", "ms": 1810708169187.3447 }, "end": { "local": "2027-05-19T12:47:29+05:30", "utc": "2027-05-19T07:17:29Z", "ms": 1810711049187.3447 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-05-20", "window": { "start": { "local": "2027-05-20T11:59:32+05:30", "utc": "2027-05-20T06:29:32Z", "ms": 1810794572003.815 }, "end": { "local": "2027-05-20T12:47:32+05:30", "utc": "2027-05-20T07:17:32Z", "ms": 1810797452003.815 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:03 on Wed 19 May to 16:29 on Thu 20 May.", "fact": "2027-05-19T10:33:22Z → 2027-05-20T10:59:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 19th, 12:00–12:48 on the 20th.", "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 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 11753 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Ujjain, 2027: Thursday 20 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": "2027-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-20", "confidence": "determinate" } ], "quote": "In Ujjain, Sampat Gaurī Vrata 2027 falls on Thursday 20 May. Pūrṇimā runs from 16:03 on Wed 19 May to 16:29 on Thu 20 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-05-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-05-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1366, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-05-23T20:42:09+05:30", "utc": "2027-05-23T15:12:09Z", "ms": 1811085128829.1614 }, "end": { "local": "2027-05-24T22:59:22+05:30", "utc": "2027-05-24T17:29:22Z", "ms": 1811179761814.5308 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-23T20:42:09+05:30", "utc": "2027-05-23T15:12:09Z", "ms": 1811085128829.1614 }, "end": { "local": "2027-05-24T22:59:22+05:30", "utc": "2027-05-24T17:29:22Z", "ms": 1811179761814.5308 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-05-23", "window": { "start": { "local": "2027-05-23T21:52:22+05:30", "utc": "2027-05-23T16:22:22Z", "ms": 1811089342121.0413 }, "end": { "local": "2027-05-23T21:52:22+05:30", "utc": "2027-05-23T16:22:22Z", "ms": 1811089342121.0413 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-05-24", "window": { "start": { "local": "2027-05-24T22:36:36+05:30", "utc": "2027-05-24T17:06:36Z", "ms": 1811178395972.8596 }, "end": { "local": "2027-05-24T22:36:36+05:30", "utc": "2027-05-24T17:06:36Z", "ms": 1811178395972.8596 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:42 on Sun 23 May to 22:59 on Mon 24 May.", "fact": "2027-05-23T15:12:09Z → 2027-05-24T17:29:22Z" }, { "step": "kaala", "text": "Moonrise is at 21:52 on the 23rd and 22:37 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1366 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Sunday 23 May.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-05-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-05-23", "confidence": "boundary" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Sunday 23 May. Caturthī runs from 20:42 on Sun 23 May to 22:59 on Mon 24 May and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-05-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ekadashi?on=2027-06-01", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14354, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-05-31T10:02:58+05:30", "utc": "2027-05-31T04:32:58Z", "ms": 1811737978264.6775 }, "end": { "local": "2027-06-01T09:40:18+05:30", "utc": "2027-06-01T04:10:18Z", "ms": 1811823018423.7737 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-05-31T10:02:58+05:30", "utc": "2027-05-31T04:32:58Z", "ms": 1811737978264.6775 }, "end": { "local": "2027-06-01T09:40:18+05:30", "utc": "2027-06-01T04:10:18Z", "ms": 1811823018423.7737 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-05-31", "window": { "start": { "local": "2027-05-31T05:41:13+05:30", "utc": "2027-05-31T00:11:13Z", "ms": 1811722272940.5837 }, "end": { "local": "2027-05-31T05:41:13+05:30", "utc": "2027-05-31T00:11:13Z", "ms": 1811722272940.5837 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-06-01", "window": { "start": { "local": "2027-06-01T05:41:04+05:30", "utc": "2027-06-01T00:11:04Z", "ms": 1811808664313.1106 }, "end": { "local": "2027-06-01T05:41:04+05:30", "utc": "2027-06-01T00:11:04Z", "ms": 1811808664313.1106 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:03 on Mon 31 May to 09:40 on Tue 1 Jun.", "fact": "2027-05-31T04:32:58Z → 2027-06-01T04:10:18Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 31st and 05:41 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "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 14354 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Ujjain, 2027: Tuesday 1 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": "2027-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-01", "confidence": "determinate" } ], "quote": "In Ujjain, Aparā Ekādaśī 2027 falls on Tuesday 1 June. Ekādaśī runs from 10:03 on Mon 31 May to 09:40 on Tue 1 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-06-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-06-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36112, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-06-02T08:29:12+05:30", "utc": "2027-06-02T02:59:12Z", "ms": 1811905151669.7463 }, "end": { "local": "2027-06-03T06:35:01+05:30", "utc": "2027-06-03T01:05:01Z", "ms": 1811984700506.894 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-02T08:29:12+05:30", "utc": "2027-06-02T02:59:12Z", "ms": 1811905151669.7463 }, "end": { "local": "2027-06-03T06:35:01+05:30", "utc": "2027-06-03T01:05:01Z", "ms": 1811984700506.894 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-06-01", "window": { "start": { "local": "2027-06-01T19:08:27+05:30", "utc": "2027-06-01T13:38:27Z", "ms": 1811857107058.0571 }, "end": { "local": "2027-06-01T20:32:47+05:30", "utc": "2027-06-01T15:02:47Z", "ms": 1811862167031.021 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2027-06-02", "window": { "start": { "local": "2027-06-02T19:08:53+05:30", "utc": "2027-06-02T13:38:53Z", "ms": 1811943532823.1108 }, "end": { "local": "2027-06-02T20:33:09+05:30", "utc": "2027-06-02T15:03:09Z", "ms": 1811948588521.2332 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:29 on Wed 2 Jun to 06:35 on Thu 3 Jun.", "fact": "2027-06-02T02:59:12Z → 2027-06-03T01:05:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:08–20:33 on the 1st, 19:09–20:33 on the 2nd.", "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 1st and 84 of 84 on the 2nd.", "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 36112 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Wednesday 2 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": "2027-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-02", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Wednesday 2 June. Trayodaśī runs from 08:29 on Wed 2 Jun to 06:35 on Thu 3 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-06-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11796, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-06-03T06:35:01+05:30", "utc": "2027-06-03T01:05:01Z", "ms": 1811984700506.894 }, "end": { "local": "2027-06-04T04:05:38+05:30", "utc": "2027-06-03T22:35:38Z", "ms": 1812062137645.6794 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-03T06:35:01+05:30", "utc": "2027-06-03T01:05:01Z", "ms": 1811984700506.894 }, "end": { "local": "2027-06-04T04:05:38+05:30", "utc": "2027-06-03T22:35:38Z", "ms": 1812062137645.6794 } }, "kaala": "nishita", "days": [ { "local_date": "2027-06-02", "window": { "start": { "local": "2027-06-03T00:00:52+05:30", "utc": "2027-06-02T18:30:52Z", "ms": 1811961051691.0693 }, "end": { "local": "2027-06-03T00:48:52+05:30", "utc": "2027-06-02T19:18:52Z", "ms": 1811963931691.0693 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-06-03", "window": { "start": { "local": "2027-06-04T00:01:02+05:30", "utc": "2027-06-03T18:31:02Z", "ms": 1812047461812.6255 }, "end": { "local": "2027-06-04T00:49:02+05:30", "utc": "2027-06-03T19:19:02Z", "ms": 1812050341812.6255 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:35 on Thu 3 Jun to 04:06 on Fri 4 Jun.", "fact": "2027-06-03T01:05:01Z → 2027-06-03T22:35:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:01–00:49 on the 2nd, 00:01–00:49 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "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 11796 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Thursday 3 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": "2027-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-03", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Thursday 3 June. Caturdaśī runs from 06:35 on Thu 3 Jun to 04:06 on Fri 4 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-06-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9402, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2027-06-06T18:41:22+05:30", "utc": "2027-06-06T13:11:22Z", "ms": 1812287482226.621 }, "end": { "local": "2027-06-07T15:26:28+05:30", "utc": "2027-06-07T09:56:28Z", "ms": 1812362188181.983 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-06T18:41:22+05:30", "utc": "2027-06-06T13:11:22Z", "ms": 1812287482226.621 }, "end": { "local": "2027-06-07T15:26:28+05:30", "utc": "2027-06-07T09:56:28Z", "ms": 1812362188181.983 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-06-06", "window": { "start": { "local": "2027-06-06T12:01:35+05:30", "utc": "2027-06-06T06:31:35Z", "ms": 1812263495154.8718 }, "end": { "local": "2027-06-06T12:49:35+05:30", "utc": "2027-06-06T07:19:35Z", "ms": 1812266375154.8718 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-06-07", "window": { "start": { "local": "2027-06-07T12:01:46+05:30", "utc": "2027-06-07T06:31:46Z", "ms": 1812349906040.9229 }, "end": { "local": "2027-06-07T12:49:46+05:30", "utc": "2027-06-07T07:19:46Z", "ms": 1812352786040.9229 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:41 on Sun 6 Jun to 15:26 on Mon 7 Jun.", "fact": "2027-06-06T13:11:22Z → 2027-06-07T09:56:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 6th, 12:02–12:50 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9402 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Ujjain, 2027: Monday 7 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": "2027-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-07", "confidence": "determinate" } ], "quote": "In Ujjain, Rambhā Tṛtīyā 2027 falls on Monday 7 June. Tṛtīyā runs from 18:41 on Sun 6 Jun to 15:26 on Mon 7 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-06-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1226, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-06-07T15:26:28+05:30", "utc": "2027-06-07T09:56:28Z", "ms": 1812362188181.983 }, "end": { "local": "2027-06-08T12:22:23+05:30", "utc": "2027-06-08T06:52:23Z", "ms": 1812437543009.4038 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-07T15:26:28+05:30", "utc": "2027-06-07T09:56:28Z", "ms": 1812362188181.983 }, "end": { "local": "2027-06-08T12:22:23+05:30", "utc": "2027-06-08T06:52:23Z", "ms": 1812437543009.4038 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-06-07", "window": { "start": { "local": "2027-06-07T12:01:46+05:30", "utc": "2027-06-07T06:31:46Z", "ms": 1812349906040.9229 }, "end": { "local": "2027-06-07T12:49:46+05:30", "utc": "2027-06-07T07:19:46Z", "ms": 1812352786040.9229 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-06-08", "window": { "start": { "local": "2027-06-08T12:01:57+05:30", "utc": "2027-06-08T06:31:57Z", "ms": 1812436317199.9373 }, "end": { "local": "2027-06-08T12:49:57+05:30", "utc": "2027-06-08T07:19:57Z", "ms": 1812439197199.9373 } }, "covered_min": 20, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:26 on Mon 7 Jun to 12:22 on Tue 8 Jun.", "fact": "2027-06-07T09:56:28Z → 2027-06-08T06:52:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 7th, 12:02–12:50 on the 8th.", "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 7th and 20 of 48 on the 8th.", "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 1226 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Tuesday 8 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": "2027-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-08", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Tuesday 8 June. Caturthī runs from 15:26 on Mon 7 Jun to 12:22 on Tue 8 Jun and covers 20 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8778, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2027-06-09T09:35:50+05:30", "utc": "2027-06-09T04:05:50Z", "ms": 1812513950176.1277 }, "end": { "local": "2027-06-10T07:12:00+05:30", "utc": "2027-06-10T01:42:00Z", "ms": 1812591720158.7336 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-09T09:35:50+05:30", "utc": "2027-06-09T04:05:50Z", "ms": 1812513950176.1277 }, "end": { "local": "2027-06-10T07:12:00+05:30", "utc": "2027-06-10T01:42:00Z", "ms": 1812591720158.7336 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-06-09", "window": { "start": { "local": "2027-06-09T12:02:09+05:30", "utc": "2027-06-09T06:32:09Z", "ms": 1812522728607.4858 }, "end": { "local": "2027-06-09T12:50:09+05:30", "utc": "2027-06-09T07:20:09Z", "ms": 1812525608607.4858 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-06-10", "window": { "start": { "local": "2027-06-10T12:02:20+05:30", "utc": "2027-06-10T06:32:20Z", "ms": 1812609140240.163 }, "end": { "local": "2027-06-10T12:50:20+05:30", "utc": "2027-06-10T07:20:20Z", "ms": 1812612020240.163 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:36 on Wed 9 Jun to 07:12 on Thu 10 Jun.", "fact": "2027-06-09T04:05:50Z → 2027-06-10T01:42:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 9th, 12:02–12:50 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8778 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Ujjain, 2027: Wednesday 9 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": "2027-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-09", "confidence": "determinate" } ], "quote": "In Ujjain, Araṇya Gaurī Vrata 2027 falls on Wednesday 9 June. Ṣaṣṭhī runs from 09:36 on Wed 9 Jun to 07:12 on Thu 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8778, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2027-06-09T09:35:50+05:30", "utc": "2027-06-09T04:05:50Z", "ms": 1812513950176.1277 }, "end": { "local": "2027-06-10T07:12:00+05:30", "utc": "2027-06-10T01:42:00Z", "ms": 1812591720158.7336 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-09T09:35:50+05:30", "utc": "2027-06-09T04:05:50Z", "ms": 1812513950176.1277 }, "end": { "local": "2027-06-10T07:12:00+05:30", "utc": "2027-06-10T01:42:00Z", "ms": 1812591720158.7336 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-06-09", "window": { "start": { "local": "2027-06-09T12:02:09+05:30", "utc": "2027-06-09T06:32:09Z", "ms": 1812522728607.4858 }, "end": { "local": "2027-06-09T12:50:09+05:30", "utc": "2027-06-09T07:20:09Z", "ms": 1812525608607.4858 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-06-10", "window": { "start": { "local": "2027-06-10T12:02:20+05:30", "utc": "2027-06-10T06:32:20Z", "ms": 1812609140240.163 }, "end": { "local": "2027-06-10T12:50:20+05:30", "utc": "2027-06-10T07:20:20Z", "ms": 1812612020240.163 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:36 on Wed 9 Jun to 07:12 on Thu 10 Jun.", "fact": "2027-06-09T04:05:50Z → 2027-06-10T01:42:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 9th, 12:02–12:50 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8778 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Ujjain, 2027: Wednesday 9 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": "2027-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-09", "confidence": "determinate" } ], "quote": "In Ujjain, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2027 falls on Wednesday 9 June. Ṣaṣṭhī runs from 09:36 on Wed 9 Jun to 07:12 on Thu 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-06-14", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12499, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-06-14T02:12:35+05:30", "utc": "2027-06-13T20:42:35Z", "ms": 1812919355306.756 }, "end": { "local": "2027-06-15T02:08:29+05:30", "utc": "2027-06-14T20:38:29Z", "ms": 1813005509096.6838 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-14T02:12:35+05:30", "utc": "2027-06-13T20:42:35Z", "ms": 1812919355306.756 }, "end": { "local": "2027-06-15T02:08:29+05:30", "utc": "2027-06-14T20:38:29Z", "ms": 1813005509096.6838 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-06-14", "window": { "start": { "local": "2027-06-14T05:40:54+05:30", "utc": "2027-06-14T00:10:54Z", "ms": 1812931854004.8813 }, "end": { "local": "2027-06-14T05:40:54+05:30", "utc": "2027-06-14T00:10:54Z", "ms": 1812931854004.8813 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-06-15", "window": { "start": { "local": "2027-06-15T05:41:01+05:30", "utc": "2027-06-15T00:11:01Z", "ms": 1813018260521.8652 }, "end": { "local": "2027-06-15T05:41:01+05:30", "utc": "2027-06-15T00:11:01Z", "ms": 1813018260521.8652 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:13 on Mon 14 Jun to 02:08 on Tue 15 Jun.", "fact": "2027-06-13T20:42:35Z → 2027-06-14T20:38:29Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 14th and 05:41 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not 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 12499 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Ujjain, 2027: Monday 14 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": "2027-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-14", "confidence": "determinate" } ], "quote": "In Ujjain, Nirjalā Ekādaśī 2027 falls on Monday 14 June. Ekādaśī runs from 02:13 on Mon 14 Jun to 02:08 on Tue 15 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34331, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2027-06-15T02:08:29+05:30", "utc": "2027-06-14T20:38:29Z", "ms": 1813005509096.6838 }, "end": { "local": "2027-06-16T02:31:23+05:30", "utc": "2027-06-15T21:01:23Z", "ms": 1813093282769.8718 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-15T02:08:29+05:30", "utc": "2027-06-14T20:38:29Z", "ms": 1813005509096.6838 }, "end": { "local": "2027-06-16T02:31:23+05:30", "utc": "2027-06-15T21:01:23Z", "ms": 1813093282769.8718 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-06-15", "window": { "start": { "local": "2027-06-15T12:03:21+05:30", "utc": "2027-06-15T06:33:21Z", "ms": 1813041201027.6235 }, "end": { "local": "2027-06-15T12:51:21+05:30", "utc": "2027-06-15T07:21:21Z", "ms": 1813044081027.6235 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-06-16", "window": { "start": { "local": "2027-06-16T12:03:34+05:30", "utc": "2027-06-16T06:33:34Z", "ms": 1813127613567.9648 }, "end": { "local": "2027-06-16T12:51:34+05:30", "utc": "2027-06-16T07:21:34Z", "ms": 1813130493567.9648 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:08 on Tue 15 Jun to 02:31 on Wed 16 Jun.", "fact": "2027-06-14T20:38:29Z → 2027-06-15T21:01:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 15th, 12:04–12:52 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34331 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Ujjain, 2027: Tuesday 15 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": "2027-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-15", "confidence": "determinate" } ], "quote": "In Ujjain, Śrī Rāma Dvādaśī 2027 falls on Tuesday 15 June. Dvādaśī runs from 02:08 on Tue 15 Jun to 02:31 on Wed 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/pradosha-vrata?on=2027-06-16", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21242, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-06-16T02:31:23+05:30", "utc": "2027-06-15T21:01:23Z", "ms": 1813093282769.8718 }, "end": { "local": "2027-06-17T03:20:32+05:30", "utc": "2027-06-16T21:50:32Z", "ms": 1813182632212.5566 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-16T02:31:23+05:30", "utc": "2027-06-15T21:01:23Z", "ms": 1813093282769.8718 }, "end": { "local": "2027-06-17T03:20:32+05:30", "utc": "2027-06-16T21:50:32Z", "ms": 1813182632212.5566 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-06-15", "window": { "start": { "local": "2027-06-15T19:13:42+05:30", "utc": "2027-06-15T13:43:42Z", "ms": 1813067021533.3818 }, "end": { "local": "2027-06-15T20:37:21+05:30", "utc": "2027-06-15T15:07:21Z", "ms": 1813072041062.8538 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2027-06-16", "window": { "start": { "local": "2027-06-16T19:13:59+05:30", "utc": "2027-06-16T13:43:59Z", "ms": 1813153439131.5088 }, "end": { "local": "2027-06-16T20:37:37+05:30", "utc": "2027-06-16T15:07:37Z", "ms": 1813158457438.776 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:31 on Wed 16 Jun to 03:21 on Thu 17 Jun.", "fact": "2027-06-15T21:01:23Z → 2027-06-16T21:50:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:37 on the 15th, 19:14–20:38 on the 16th.", "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 15th and 84 of 84 on the 16th.", "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 21242 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Wednesday 16 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": "2027-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-16", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Wednesday 16 June. Trayodaśī runs from 02:31 on Wed 16 Jun to 03:21 on Thu 17 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28641, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-06-18T04:35:14+05:30", "utc": "2027-06-17T23:05:14Z", "ms": 1813273513850.9302 }, "end": { "local": "2027-06-19T06:14:21+05:30", "utc": "2027-06-19T00:44:21Z", "ms": 1813365861343.5579 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-18T04:35:14+05:30", "utc": "2027-06-17T23:05:14Z", "ms": 1813273513850.9302 }, "end": { "local": "2027-06-19T06:14:21+05:30", "utc": "2027-06-19T00:44:21Z", "ms": 1813365861343.5579 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-06-17", "window": { "start": { "local": "2027-06-17T19:14:16+05:30", "utc": "2027-06-17T13:44:16Z", "ms": 1813239855943.8513 }, "end": { "local": "2027-06-17T20:37:53+05:30", "utc": "2027-06-17T15:07:53Z", "ms": 1813244873257.9543 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2027-06-18", "window": { "start": { "local": "2027-06-18T19:14:32+05:30", "utc": "2027-06-18T13:44:32Z", "ms": 1813326271948.208 }, "end": { "local": "2027-06-18T20:38:08+05:30", "utc": "2027-06-18T15:08:08Z", "ms": 1813331288498.806 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:35 on Fri 18 Jun to 06:14 on Sat 19 Jun.", "fact": "2027-06-17T23:05:14Z → 2027-06-19T00:44:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:38 on the 17th, 19:15–20:38 on the 18th.", "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 84 minutes on the 17th and 84 of 84 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28641 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Ujjain, 2027: Friday 18 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": "2027-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-18", "confidence": "determinate" } ], "quote": "In Ujjain, Vaṭa Sāvitrī Vrata (Vat Purnima) 2027 falls on Friday 18 June. Pūrṇimā runs from 04:35 on Fri 18 Jun to 06:14 on Sat 19 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-06-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24103, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-06-22T13:07:44+05:30", "utc": "2027-06-22T07:37:44Z", "ms": 1813649864282.425 }, "end": { "local": "2027-06-23T15:43:03+05:30", "utc": "2027-06-23T10:13:03Z", "ms": 1813745583475.3242 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-22T13:07:44+05:30", "utc": "2027-06-22T07:37:44Z", "ms": 1813649864282.425 }, "end": { "local": "2027-06-23T15:43:03+05:30", "utc": "2027-06-23T10:13:03Z", "ms": 1813745583475.3242 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-06-22", "window": { "start": { "local": "2027-06-22T21:51:08+05:30", "utc": "2027-06-22T16:21:08Z", "ms": 1813681268448.4697 }, "end": { "local": "2027-06-22T21:51:08+05:30", "utc": "2027-06-22T16:21:08Z", "ms": 1813681268448.4697 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-06-23", "window": { "start": { "local": "2027-06-23T22:24:46+05:30", "utc": "2027-06-23T16:54:46Z", "ms": 1813769686471.0813 }, "end": { "local": "2027-06-23T22:24:46+05:30", "utc": "2027-06-23T16:54:46Z", "ms": 1813769686471.0813 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:08 on Tue 22 Jun to 15:43 on Wed 23 Jun.", "fact": "2027-06-22T07:37:44Z → 2027-06-23T10:13:03Z" }, { "step": "kaala", "text": "Moonrise is at 21:51 on the 22nd and 22:25 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24103 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Tuesday 22 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": "2027-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-22", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Tuesday 22 June. Caturthī runs from 13:08 on Tue 22 Jun to 15:43 on Wed 23 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-06-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ekadashi?on=2027-06-30", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27590, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-06-29T22:04:34+05:30", "utc": "2027-06-29T16:34:34Z", "ms": 1814286874139.5454 }, "end": { "local": "2027-06-30T20:31:16+05:30", "utc": "2027-06-30T15:01:16Z", "ms": 1814367676030.8145 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-06-29T22:04:34+05:30", "utc": "2027-06-29T16:34:34Z", "ms": 1814286874139.5454 }, "end": { "local": "2027-06-30T20:31:16+05:30", "utc": "2027-06-30T15:01:16Z", "ms": 1814367676030.8145 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-06-30", "window": { "start": { "local": "2027-06-30T05:44:24+05:30", "utc": "2027-06-30T00:14:24Z", "ms": 1814314463731.65 }, "end": { "local": "2027-06-30T05:44:24+05:30", "utc": "2027-06-30T00:14:24Z", "ms": 1814314463731.65 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-07-01", "window": { "start": { "local": "2027-07-01T05:44:43+05:30", "utc": "2027-07-01T00:14:43Z", "ms": 1814400883330.6335 }, "end": { "local": "2027-07-01T05:44:43+05:30", "utc": "2027-07-01T00:14:43Z", "ms": 1814400883330.6335 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:05 on Tue 29 Jun to 20:31 on Wed 30 Jun.", "fact": "2027-06-29T16:34:34Z → 2027-06-30T15:01:16Z" }, { "step": "kaala", "text": "Sunrise is at 05:44 on the 30th and 05:45 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 1st.", "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 27590 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Ujjain, 2027: Wednesday 30 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": "2027-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-06-30", "confidence": "determinate" } ], "quote": "In Ujjain, Yoginī Ekādaśī 2027 falls on Wednesday 30 June. Ekādaśī runs from 22:05 on Tue 29 Jun to 20:31 on Wed 30 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-07-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3688, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-07-01T18:15:09+05:30", "utc": "2027-07-01T12:45:09Z", "ms": 1814445908793.165 }, "end": { "local": "2027-07-02T15:23:46+05:30", "utc": "2027-07-02T09:53:46Z", "ms": 1814522026254.5928 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-01T18:15:09+05:30", "utc": "2027-07-01T12:45:09Z", "ms": 1814445908793.165 }, "end": { "local": "2027-07-02T15:23:46+05:30", "utc": "2027-07-02T09:53:46Z", "ms": 1814522026254.5928 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-07-01", "window": { "start": { "local": "2027-07-01T19:16:37+05:30", "utc": "2027-07-01T13:46:37Z", "ms": 1814449596973.8997 }, "end": { "local": "2027-07-01T20:40:25+05:30", "utc": "2027-07-01T15:10:25Z", "ms": 1814454624515.7188 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2027-07-02", "window": { "start": { "local": "2027-07-02T19:16:40+05:30", "utc": "2027-07-02T13:46:40Z", "ms": 1814535999520.8193 }, "end": { "local": "2027-07-02T20:40:29+05:30", "utc": "2027-07-02T15:10:29Z", "ms": 1814541029494.0012 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:15 on Thu 1 Jul to 15:24 on Fri 2 Jul.", "fact": "2027-07-01T12:45:09Z → 2027-07-02T09:53:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:17–20:40 on the 1st, 19:17–20:40 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 1st and 0 of 84 on the 2nd.", "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 3688 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Thursday 1 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": "2027-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-01", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Thursday 1 July. Trayodaśī runs from 18:15 on Thu 1 Jul to 15:24 on Fri 2 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-07-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31396, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-07-02T15:23:46+05:30", "utc": "2027-07-02T09:53:46Z", "ms": 1814522026254.5928 }, "end": { "local": "2027-07-03T12:06:10+05:30", "utc": "2027-07-03T06:36:10Z", "ms": 1814596569864.1118 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-02T15:23:46+05:30", "utc": "2027-07-02T09:53:46Z", "ms": 1814522026254.5928 }, "end": { "local": "2027-07-03T12:06:10+05:30", "utc": "2027-07-03T06:36:10Z", "ms": 1814596569864.1118 } }, "kaala": "nishita", "days": [ { "local_date": "2027-07-02", "window": { "start": { "local": "2027-07-03T00:07:02+05:30", "utc": "2027-07-02T18:37:02Z", "ms": 1814553421920.2512 }, "end": { "local": "2027-07-03T00:55:02+05:30", "utc": "2027-07-02T19:25:02Z", "ms": 1814556301920.2512 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-07-03", "window": { "start": { "local": "2027-07-04T00:07:13+05:30", "utc": "2027-07-03T18:37:13Z", "ms": 1814639833303.7998 }, "end": { "local": "2027-07-04T00:55:13+05:30", "utc": "2027-07-03T19:25:13Z", "ms": 1814642713303.7998 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:24 on Fri 2 Jul to 12:06 on Sat 3 Jul.", "fact": "2027-07-02T09:53:46Z → 2027-07-03T06:36:10Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:07–00:55 on the 2nd, 00:07–00:55 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "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 31396 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Friday 2 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": "2027-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-02", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Friday 2 July. Caturdaśī runs from 15:24 on Fri 2 Jul to 12:06 on Sat 3 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26155, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2027-07-05T04:51:29+05:30", "utc": "2027-07-04T23:21:29Z", "ms": 1814743289314.3157 }, "end": { "local": "2027-07-06T01:14:05+05:30", "utc": "2027-07-05T19:44:05Z", "ms": 1814816644771.4067 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-05T04:51:29+05:30", "utc": "2027-07-04T23:21:29Z", "ms": 1814743289314.3157 }, "end": { "local": "2027-07-06T01:14:05+05:30", "utc": "2027-07-05T19:44:05Z", "ms": 1814816644771.4067 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-07-05", "window": { "start": { "local": "2027-07-05T12:07:24+05:30", "utc": "2027-07-05T06:37:24Z", "ms": 1814769443970.7163 }, "end": { "local": "2027-07-05T12:55:24+05:30", "utc": "2027-07-05T07:25:24Z", "ms": 1814772323970.7163 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-07-06", "window": { "start": { "local": "2027-07-06T12:07:34+05:30", "utc": "2027-07-06T06:37:34Z", "ms": 1814855854133.5571 }, "end": { "local": "2027-07-06T12:55:34+05:30", "utc": "2027-07-06T07:25:34Z", "ms": 1814858734133.5571 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:51 on Mon 5 Jul to 01:14 on Tue 6 Jul.", "fact": "2027-07-04T23:21:29Z → 2027-07-05T19:44:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 5th, 12:08–12:56 on the 6th.", "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 5th and 0 of 48 on the 6th.", "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 26155 s" }, { "step": "ruling", "text": "Rathayātrā, Ujjain, 2027: Monday 5 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": "2027-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-05", "confidence": "determinate" } ], "quote": "In Ujjain, Rathayātrā 2027 falls on Monday 5 July. Dvitīyā runs from 04:51 on Mon 5 Jul to 01:14 on Tue 6 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-07-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20928, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-07-06T21:49:00+05:30", "utc": "2027-07-06T16:19:00Z", "ms": 1814890740301.2236 }, "end": { "local": "2027-07-07T18:44:32+05:30", "utc": "2027-07-07T13:14:32Z", "ms": 1814966071823.6018 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-06T21:49:00+05:30", "utc": "2027-07-06T16:19:00Z", "ms": 1814890740301.2236 }, "end": { "local": "2027-07-07T18:44:32+05:30", "utc": "2027-07-07T13:14:32Z", "ms": 1814966071823.6018 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-07-06", "window": { "start": { "local": "2027-07-06T12:07:34+05:30", "utc": "2027-07-06T06:37:34Z", "ms": 1814855854133.5571 }, "end": { "local": "2027-07-06T12:55:34+05:30", "utc": "2027-07-06T07:25:34Z", "ms": 1814858734133.5571 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-07-07", "window": { "start": { "local": "2027-07-07T12:07:44+05:30", "utc": "2027-07-07T06:37:44Z", "ms": 1814942263928.841 }, "end": { "local": "2027-07-07T12:55:44+05:30", "utc": "2027-07-07T07:25:44Z", "ms": 1814945143928.841 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:49 on Tue 6 Jul to 18:45 on Wed 7 Jul.", "fact": "2027-07-06T16:19:00Z → 2027-07-07T13:14:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 6th, 12:08–12:56 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20928 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Wednesday 7 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-07", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Wednesday 7 July. Caturthī runs from 21:49 on Tue 6 Jul to 18:45 on Wed 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11511, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2027-07-07T18:44:32+05:30", "utc": "2027-07-07T13:14:32Z", "ms": 1814966071823.6018 }, "end": { "local": "2027-07-08T16:07:44+05:30", "utc": "2027-07-08T10:37:44Z", "ms": 1815043063983.6646 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-07T18:44:32+05:30", "utc": "2027-07-07T13:14:32Z", "ms": 1814966071823.6018 }, "end": { "local": "2027-07-08T16:07:44+05:30", "utc": "2027-07-08T10:37:44Z", "ms": 1815043063983.6646 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-07-07", "window": { "start": { "local": "2027-07-07T12:07:44+05:30", "utc": "2027-07-07T06:37:44Z", "ms": 1814942263928.841 }, "end": { "local": "2027-07-07T12:55:44+05:30", "utc": "2027-07-07T07:25:44Z", "ms": 1814945143928.841 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-07-08", "window": { "start": { "local": "2027-07-08T12:07:53+05:30", "utc": "2027-07-08T06:37:53Z", "ms": 1815028673333.8818 }, "end": { "local": "2027-07-08T12:55:53+05:30", "utc": "2027-07-08T07:25:53Z", "ms": 1815031553333.8818 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:45 on Wed 7 Jul to 16:08 on Thu 8 Jul.", "fact": "2027-07-07T13:14:32Z → 2027-07-08T10:37:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 7th, 12:08–12:56 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11511 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Ujjain, 2027: Thursday 8 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": "2027-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-08", "confidence": "determinate" } ], "quote": "In Ujjain, Skanda Pañcamī 2027 falls on Thursday 8 July. Pañcamī runs from 18:45 on Wed 7 Jul to 16:08 on Thu 8 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1108, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2027-07-09T14:04:12+05:30", "utc": "2027-07-09T08:34:12Z", "ms": 1815122051518.01 }, "end": { "local": "2027-07-10T12:37:43+05:30", "utc": "2027-07-10T07:07:43Z", "ms": 1815203262540.3015 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-09T14:04:12+05:30", "utc": "2027-07-09T08:34:12Z", "ms": 1815122051518.01 }, "end": { "local": "2027-07-10T12:37:43+05:30", "utc": "2027-07-10T07:07:43Z", "ms": 1815203262540.3015 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-07-09", "window": { "start": { "local": "2027-07-09T12:08:02+05:30", "utc": "2027-07-09T06:38:02Z", "ms": 1815115082328.1416 }, "end": { "local": "2027-07-09T12:56:02+05:30", "utc": "2027-07-09T07:26:02Z", "ms": 1815117962328.1416 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-07-10", "window": { "start": { "local": "2027-07-10T12:08:11+05:30", "utc": "2027-07-10T06:38:11Z", "ms": 1815201490893.1448 }, "end": { "local": "2027-07-10T12:56:11+05:30", "utc": "2027-07-10T07:26:11Z", "ms": 1815204370893.1448 } }, "covered_min": 30, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:04 on Fri 9 Jul to 12:38 on Sat 10 Jul.", "fact": "2027-07-09T08:34:12Z → 2027-07-10T07:07:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 9th, 12:08–12:56 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 30 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1108 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Ujjain, 2027: Saturday 10 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": "2027-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-10", "confidence": "determinate" } ], "quote": "In Ujjain, Vivasvat Saptamī 2027 falls on Saturday 10 July. Saptamī runs from 14:04 on Fri 9 Jul to 12:38 on Sat 10 Jul and covers 30 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-07-14", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22799, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-07-13T12:09:15+05:30", "utc": "2027-07-13T06:39:15Z", "ms": 1815460755484.0186 }, "end": { "local": "2027-07-14T13:10:38+05:30", "utc": "2027-07-14T07:40:38Z", "ms": 1815550837836.1855 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-13T12:09:15+05:30", "utc": "2027-07-13T06:39:15Z", "ms": 1815460755484.0186 }, "end": { "local": "2027-07-14T13:10:38+05:30", "utc": "2027-07-14T07:40:38Z", "ms": 1815550837836.1855 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-07-13", "window": { "start": { "local": "2027-07-13T05:49:16+05:30", "utc": "2027-07-13T00:19:16Z", "ms": 1815437956386.4387 }, "end": { "local": "2027-07-13T05:49:16+05:30", "utc": "2027-07-13T00:19:16Z", "ms": 1815437956386.4387 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-07-14", "window": { "start": { "local": "2027-07-14T05:49:41+05:30", "utc": "2027-07-14T00:19:41Z", "ms": 1815524381348.9983 }, "end": { "local": "2027-07-14T05:49:41+05:30", "utc": "2027-07-14T00:19:41Z", "ms": 1815524381348.9983 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:09 on Tue 13 Jul to 13:11 on Wed 14 Jul.", "fact": "2027-07-13T06:39:15Z → 2027-07-14T07:40:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 13th and 05:50 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22799 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Ujjain, 2027: Wednesday 14 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": "2027-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-14", "confidence": "determinate" } ], "quote": "In Ujjain, Hariśayanī Ekādaśī 2027 falls on Wednesday 14 July. Ekādaśī runs from 12:09 on Tue 13 Jul to 13:11 on Wed 14 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-07-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9585, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-07-15T14:41:01+05:30", "utc": "2027-07-15T09:11:01Z", "ms": 1815642661318.5996 }, "end": { "local": "2027-07-16T16:35:28+05:30", "utc": "2027-07-16T11:05:28Z", "ms": 1815735927785.2754 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-15T14:41:01+05:30", "utc": "2027-07-15T09:11:01Z", "ms": 1815642661318.5996 }, "end": { "local": "2027-07-16T16:35:28+05:30", "utc": "2027-07-16T11:05:28Z", "ms": 1815735927785.2754 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-07-15", "window": { "start": { "local": "2027-07-15T19:15:27+05:30", "utc": "2027-07-15T13:45:27Z", "ms": 1815659126970.9702 }, "end": { "local": "2027-07-15T20:40:08+05:30", "utc": "2027-07-15T15:10:08Z", "ms": 1815664207627.352 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2027-07-16", "window": { "start": { "local": "2027-07-16T19:15:13+05:30", "utc": "2027-07-16T13:45:13Z", "ms": 1815745512981.2139 }, "end": { "local": "2027-07-16T20:39:59+05:30", "utc": "2027-07-16T15:09:59Z", "ms": 1815750598907.898 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:41 on Thu 15 Jul to 16:35 on Fri 16 Jul.", "fact": "2027-07-15T09:11:01Z → 2027-07-16T11:05:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:40 on the 15th, 19:15–20:40 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 15th and 0 of 85 on the 16th.", "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 9585 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Thursday 15 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": "2027-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-15", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Thursday 15 July. Trayodaśī runs from 14:41 on Thu 15 Jul to 16:35 on Fri 16 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31013, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-07-17T18:48:39+05:30", "utc": "2027-07-17T13:18:39Z", "ms": 1815830318596.4946 }, "end": { "local": "2027-07-18T21:14:56+05:30", "utc": "2027-07-18T15:44:56Z", "ms": 1815925495639.191 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-17T18:48:39+05:30", "utc": "2027-07-17T13:18:39Z", "ms": 1815830318596.4946 }, "end": { "local": "2027-07-18T21:14:56+05:30", "utc": "2027-07-18T15:44:56Z", "ms": 1815925495639.191 } }, "kaala": "udaya-3", "days": [ { "local_date": "2027-07-18", "window": { "start": { "local": "2027-07-18T05:51:23+05:30", "utc": "2027-07-18T00:21:23Z", "ms": 1815870083117.1396 }, "end": { "local": "2027-07-18T08:32:03+05:30", "utc": "2027-07-18T03:02:03Z", "ms": 1815879722771.288 } }, "covered_min": 161, "window_min": 161, "qualifies": true }, { "local_date": "2027-07-19", "window": { "start": { "local": "2027-07-19T05:51:49+05:30", "utc": "2027-07-19T00:21:49Z", "ms": 1815956508930.866 }, "end": { "local": "2027-07-19T08:32:20+05:30", "utc": "2027-07-19T03:02:20Z", "ms": 1815966139903.3235 } }, "covered_min": 0, "window_min": 161, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul.", "fact": "2027-07-17T13:18:39Z → 2027-07-18T15:44:56Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:51–08:32 on the 18th, 05:52–08:32 on the 19th.", "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 161 of 161 minutes on the 18th and 0 of 161 on the 19th.", "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 31013 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Ujjain, 2027: Sunday 18 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": "2027-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-18", "confidence": "determinate" } ], "quote": "In Ujjain, Vyāsa Pūjā 2027 falls on Sunday 18 July. Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21101, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-07-17T18:48:39+05:30", "utc": "2027-07-17T13:18:39Z", "ms": 1815830318596.4946 }, "end": { "local": "2027-07-18T21:14:56+05:30", "utc": "2027-07-18T15:44:56Z", "ms": 1815925495639.191 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-17T18:48:39+05:30", "utc": "2027-07-17T13:18:39Z", "ms": 1815830318596.4946 }, "end": { "local": "2027-07-18T21:14:56+05:30", "utc": "2027-07-18T15:44:56Z", "ms": 1815925495639.191 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-07-17", "window": { "start": { "local": "2027-07-17T12:08:58+05:30", "utc": "2027-07-17T06:38:58Z", "ms": 1815806337608.4333 }, "end": { "local": "2027-07-17T12:56:58+05:30", "utc": "2027-07-17T07:26:58Z", "ms": 1815809217608.4333 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-07-18", "window": { "start": { "local": "2027-07-18T12:09:02+05:30", "utc": "2027-07-18T06:39:02Z", "ms": 1815892742252.5107 }, "end": { "local": "2027-07-18T12:57:02+05:30", "utc": "2027-07-18T07:27:02Z", "ms": 1815895622252.5107 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul.", "fact": "2027-07-17T13:18:39Z → 2027-07-18T15:44:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 17th, 12:09–12:57 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21101 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Ujjain, 2027: Sunday 18 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": "2027-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-18", "confidence": "determinate" } ], "quote": "In Ujjain, Guru Pūrṇimā 2027 falls on Sunday 18 July. Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-18", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1579, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-07-17T18:48:39+05:30", "utc": "2027-07-17T13:18:39Z", "ms": 1815830318596.4946 }, "end": { "local": "2027-07-18T21:14:56+05:30", "utc": "2027-07-18T15:44:56Z", "ms": 1815925495639.191 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-17T18:48:39+05:30", "utc": "2027-07-17T13:18:39Z", "ms": 1815830318596.4946 }, "end": { "local": "2027-07-18T21:14:56+05:30", "utc": "2027-07-18T15:44:56Z", "ms": 1815925495639.191 } }, "kaala": "sayahna", "days": [ { "local_date": "2027-07-17", "window": { "start": { "local": "2027-07-17T16:34:10+05:30", "utc": "2027-07-17T11:04:10Z", "ms": 1815822249714.6863 }, "end": { "local": "2027-07-17T19:14:58+05:30", "utc": "2027-07-17T13:44:58Z", "ms": 1815831897785.5217 } }, "covered_min": 26, "window_min": 161, "qualifies": true }, { "local_date": "2027-07-18", "window": { "start": { "local": "2027-07-18T16:34:02+05:30", "utc": "2027-07-18T11:04:02Z", "ms": 1815908641733.7332 }, "end": { "local": "2027-07-18T19:14:41+05:30", "utc": "2027-07-18T13:44:41Z", "ms": 1815918281387.8816 } }, "covered_min": 161, "window_min": 161, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul.", "fact": "2027-07-17T13:18:39Z → 2027-07-18T15:44:56Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:34–19:15 on the 17th, 16:34–19:15 on the 18th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 26 of 161 minutes on the 17th and 161 of 161 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1579 s" }, { "step": "ruling", "text": "Kokilā Vrata, Ujjain, 2027: Sunday 18 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2027-07-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-18", "confidence": "boundary" } ], "quote": "In Ujjain, Kokilā Vrata 2027 falls on Sunday 18 July. Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul and covers all of sāyāhna that late afternoon. It also reaches the previous late afternoon for 26 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/ujjain/festivals/2027/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": "/ujjain/festivals/2027/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-18", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1579, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-07-17T18:48:39+05:30", "utc": "2027-07-17T13:18:39Z", "ms": 1815830318596.4946 }, "end": { "local": "2027-07-18T21:14:56+05:30", "utc": "2027-07-18T15:44:56Z", "ms": 1815925495639.191 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2027-07-17T18:48:39+05:30", "utc": "2027-07-17T13:18:39Z", "ms": 1815830318596.4946 }, "end": { "local": "2027-07-18T21:14:56+05:30", "utc": "2027-07-18T15:44:56Z", "ms": 1815925495639.191 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-07-17", "window": { "start": { "local": "2027-07-17T19:14:58+05:30", "utc": "2027-07-17T13:44:58Z", "ms": 1815831897785.5217 }, "end": { "local": "2027-07-17T20:39:49+05:30", "utc": "2027-07-17T15:09:49Z", "ms": 1815836989163.0708 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2027-07-18", "window": { "start": { "local": "2027-07-18T19:14:41+05:30", "utc": "2027-07-18T13:44:41Z", "ms": 1815918281387.8816 }, "end": { "local": "2027-07-18T20:39:38+05:30", "utc": "2027-07-18T15:09:38Z", "ms": 1815923378393.6128 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul.", "fact": "2027-07-17T13:18:39Z → 2027-07-18T15:44:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:40 on the 17th, 19:15–20:40 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 85 of 85 minutes on the 17th and 85 of 85 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1579 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Ujjain, 2027: Sunday 18 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-07-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-17", "confidence": "boundary" } ], "quote": "In Ujjain, Śiva Śayanotsava 2027 falls on Sunday 18 July. Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 85 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/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14195, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2027-07-19T23:48:11+05:30", "utc": "2027-07-19T18:18:11Z", "ms": 1816021091005.0835 }, "end": { "local": "2027-07-21T02:21:33+05:30", "utc": "2027-07-20T20:51:33Z", "ms": 1816116692546.3367 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-07-19T23:48:11+05:30", "utc": "2027-07-19T18:18:11Z", "ms": 1816021091005.0835 }, "end": { "local": "2027-07-21T02:21:33+05:30", "utc": "2027-07-20T20:51:33Z", "ms": 1816116692546.3367 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-07-19", "window": { "start": { "local": "2027-07-19T19:51:36+05:30", "utc": "2027-07-19T14:21:36Z", "ms": 1816006895567.4692 }, "end": { "local": "2027-07-19T19:51:36+05:30", "utc": "2027-07-19T14:21:36Z", "ms": 1816006895567.4692 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-07-20", "window": { "start": { "local": "2027-07-20T20:26:10+05:30", "utc": "2027-07-20T14:56:10Z", "ms": 1816095369645.8616 }, "end": { "local": "2027-07-20T20:26:10+05:30", "utc": "2027-07-20T14:56:10Z", "ms": 1816095369645.8616 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 23:48 on Mon 19 Jul to 02:22 on Wed 21 Jul.", "fact": "2027-07-19T18:18:11Z → 2027-07-20T20:51:33Z" }, { "step": "kaala", "text": "Moonrise is at 19:52 on the 19th and 20:26 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 19th and is on the 20th.", "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 14195 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Ujjain, 2027: Tuesday 20 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": "2027-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-20", "confidence": "determinate" } ], "quote": "In Ujjain, Aśūnya Śayana Vrata (Āṣāḍha) 2027 falls on Tuesday 20 July. Dvitīyā runs from 23:48 on Mon 19 Jul to 02:22 on Wed 21 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-07-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28144, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-07-22T04:47:16+05:30", "utc": "2027-07-21T23:17:16Z", "ms": 1816211835587.552 }, "end": { "local": "2027-07-23T06:56:51+05:30", "utc": "2027-07-23T01:26:51Z", "ms": 1816306010815.0173 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-07-22T04:47:16+05:30", "utc": "2027-07-21T23:17:16Z", "ms": 1816211835587.552 }, "end": { "local": "2027-07-23T06:56:51+05:30", "utc": "2027-07-23T01:26:51Z", "ms": 1816306010815.0173 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-07-21", "window": { "start": { "local": "2027-07-21T20:58:12+05:30", "utc": "2027-07-21T15:28:12Z", "ms": 1816183691754.6682 }, "end": { "local": "2027-07-21T20:58:12+05:30", "utc": "2027-07-21T15:28:12Z", "ms": 1816183691754.6682 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-07-22", "window": { "start": { "local": "2027-07-22T21:28:47+05:30", "utc": "2027-07-22T15:58:47Z", "ms": 1816271926935.359 }, "end": { "local": "2027-07-22T21:28:47+05:30", "utc": "2027-07-22T15:58:47Z", "ms": 1816271926935.359 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:47 on Thu 22 Jul to 06:57 on Fri 23 Jul.", "fact": "2027-07-21T23:17:16Z → 2027-07-23T01:26:51Z" }, { "step": "kaala", "text": "Moonrise is at 20:58 on the 21st and 21:29 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28144 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Thursday 22 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": "2027-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-22", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Thursday 22 July. Caturthī runs from 04:47 on Thu 22 Jul to 06:57 on Fri 23 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-07-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ekadashi?on=2027-07-29", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2586, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-07-29T07:34:37+05:30", "utc": "2027-07-29T02:04:37Z", "ms": 1816826677020.2832 }, "end": { "local": "2027-07-30T05:13:30+05:30", "utc": "2027-07-29T23:43:30Z", "ms": 1816904610179.9614 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-07-29T07:34:37+05:30", "utc": "2027-07-29T02:04:37Z", "ms": 1816826677020.2832 }, "end": { "local": "2027-07-30T05:13:30+05:30", "utc": "2027-07-29T23:43:30Z", "ms": 1816904610179.9614 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-07-29", "window": { "start": { "local": "2027-07-29T05:56:10+05:30", "utc": "2027-07-29T00:26:10Z", "ms": 1816820770048.9194 }, "end": { "local": "2027-07-29T05:56:10+05:30", "utc": "2027-07-29T00:26:10Z", "ms": 1816820770048.9194 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-07-30", "window": { "start": { "local": "2027-07-30T05:56:36+05:30", "utc": "2027-07-30T00:26:36Z", "ms": 1816907196077.9185 }, "end": { "local": "2027-07-30T05:56:36+05:30", "utc": "2027-07-30T00:26:36Z", "ms": 1816907196077.9185 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:35 on Thu 29 Jul to 05:14 on Fri 30 Jul.", "fact": "2027-07-29T02:04:37Z → 2027-07-29T23:43:30Z" }, { "step": "kaala", "text": "Sunrise is at 05:56 on the 29th and 05:57 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 2586 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Ujjain, 2027: Thursday 29 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": "2027-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-29", "confidence": "determinate" } ], "quote": "In Ujjain, Kāmikā Ekādaśī 2027 falls on Thursday 29 July. Ekādaśī runs from 07:35 on Thu 29 Jul to 05:14 on Fri 30 Jul, and is current at sunrise on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-07-31", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8545, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-07-31T02:18:47+05:30", "utc": "2027-07-30T20:48:47Z", "ms": 1816980526697.589 }, "end": { "local": "2027-07-31T22:58:12+05:30", "utc": "2027-07-31T17:28:12Z", "ms": 1817054892026.9114 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-07-31T02:18:47+05:30", "utc": "2027-07-30T20:48:47Z", "ms": 1816980526697.589 }, "end": { "local": "2027-07-31T22:58:12+05:30", "utc": "2027-07-31T17:28:12Z", "ms": 1817054892026.9114 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-07-30", "window": { "start": { "local": "2027-07-30T19:09:53+05:30", "utc": "2027-07-30T13:39:53Z", "ms": 1816954793359.7886 }, "end": { "local": "2027-07-30T20:36:11+05:30", "utc": "2027-07-30T15:06:11Z", "ms": 1816959970514.7485 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2027-07-31", "window": { "start": { "local": "2027-07-31T19:09:22+05:30", "utc": "2027-07-31T13:39:22Z", "ms": 1817041162025.3416 }, "end": { "local": "2027-07-31T20:35:47+05:30", "utc": "2027-07-31T15:05:47Z", "ms": 1817046346803.5647 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:19 on Sat 31 Jul to 22:58 on Sat 31 Jul.", "fact": "2027-07-30T20:48:47Z → 2027-07-31T17:28:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:10–20:36 on the 30th, 19:09–20:36 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 0 of 86 minutes on the 30th and 86 of 86 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 8545 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Saturday 31 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": "2027-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-31", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Saturday 31 July. Trayodaśī runs from 02:19 on Sat 31 Jul to 22:58 on Sat 31 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-07-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4273, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-07-31T22:58:12+05:30", "utc": "2027-07-31T17:28:12Z", "ms": 1817054892026.9114 }, "end": { "local": "2027-08-01T19:20:33+05:30", "utc": "2027-08-01T13:50:33Z", "ms": 1817128233413.5303 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-07-31T22:58:12+05:30", "utc": "2027-07-31T17:28:12Z", "ms": 1817054892026.9114 }, "end": { "local": "2027-08-01T19:20:33+05:30", "utc": "2027-08-01T13:50:33Z", "ms": 1817128233413.5303 } }, "kaala": "nishita", "days": [ { "local_date": "2027-07-31", "window": { "start": { "local": "2027-08-01T00:09:25+05:30", "utc": "2027-07-31T18:39:25Z", "ms": 1817059164943.6782 }, "end": { "local": "2027-08-01T00:57:25+05:30", "utc": "2027-07-31T19:27:25Z", "ms": 1817062044943.6782 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-08-01", "window": { "start": { "local": "2027-08-02T00:09:22+05:30", "utc": "2027-08-01T18:39:22Z", "ms": 1817145561593.5947 }, "end": { "local": "2027-08-02T00:57:22+05:30", "utc": "2027-08-01T19:27:22Z", "ms": 1817148441593.5947 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:58 on Sat 31 Jul to 19:21 on Sun 1 Aug.", "fact": "2027-07-31T17:28:12Z → 2027-08-01T13:50:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 31st, 00:09–00:57 on the 1st.", "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 31st and 0 of 48 on the 1st.", "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 4273 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Saturday 31 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": "2027-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-07-31", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Saturday 31 July. Caturdaśī runs from 22:58 on Sat 31 Jul to 19:21 on Sun 1 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13725, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2027-08-04T08:20:10+05:30", "utc": "2027-08-04T02:50:10Z", "ms": 1817347810399.8015 }, "end": { "local": "2027-08-05T05:09:19+05:30", "utc": "2027-08-04T23:39:19Z", "ms": 1817422759465.5117 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-08-04T08:20:10+05:30", "utc": "2027-08-04T02:50:10Z", "ms": 1817347810399.8015 }, "end": { "local": "2027-08-05T05:09:19+05:30", "utc": "2027-08-04T23:39:19Z", "ms": 1817422759465.5117 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-08-04", "window": { "start": { "local": "2027-08-04T12:08:55+05:30", "utc": "2027-08-04T06:38:55Z", "ms": 1817361535261.1772 }, "end": { "local": "2027-08-04T12:56:55+05:30", "utc": "2027-08-04T07:26:55Z", "ms": 1817364415261.1772 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-08-05", "window": { "start": { "local": "2027-08-05T12:08:50+05:30", "utc": "2027-08-05T06:38:50Z", "ms": 1817447929553.7512 }, "end": { "local": "2027-08-05T12:56:50+05:30", "utc": "2027-08-05T07:26:50Z", "ms": 1817450809553.7512 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:20 on Wed 4 Aug to 05:09 on Thu 5 Aug.", "fact": "2027-08-04T02:50:10Z → 2027-08-04T23:39:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 4th, 12:09–12:57 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13725 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Ujjain, 2027: Wednesday 4 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": "2027-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-04", "confidence": "determinate" } ], "quote": "In Ujjain, Madhusravā Tṛtīyā (Teej) 2027 falls on Wednesday 4 August. Tṛtīyā runs from 08:20 on Wed 4 Aug to 05:09 on Thu 5 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-08-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25170, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-08-05T05:09:19+05:30", "utc": "2027-08-04T23:39:19Z", "ms": 1817422759465.5117 }, "end": { "local": "2027-08-06T02:27:56+05:30", "utc": "2027-08-05T20:57:56Z", "ms": 1817499475532.239 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-08-05T05:09:19+05:30", "utc": "2027-08-04T23:39:19Z", "ms": 1817422759465.5117 }, "end": { "local": "2027-08-06T02:27:56+05:30", "utc": "2027-08-05T20:57:56Z", "ms": 1817499475532.239 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-08-05", "window": { "start": { "local": "2027-08-05T12:08:50+05:30", "utc": "2027-08-05T06:38:50Z", "ms": 1817447929553.7512 }, "end": { "local": "2027-08-05T12:56:50+05:30", "utc": "2027-08-05T07:26:50Z", "ms": 1817450809553.7512 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-08-06", "window": { "start": { "local": "2027-08-06T12:08:43+05:30", "utc": "2027-08-06T06:38:43Z", "ms": 1817534323235.6956 }, "end": { "local": "2027-08-06T12:56:43+05:30", "utc": "2027-08-06T07:26:43Z", "ms": 1817537203235.6956 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:09 on Thu 5 Aug to 02:28 on Fri 6 Aug.", "fact": "2027-08-04T23:39:19Z → 2027-08-05T20:57:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 5th, 12:09–12:57 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25170 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Thursday 5 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": "2027-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-05", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Thursday 5 August. Caturthī runs from 05:09 on Thu 5 Aug to 02:28 on Fri 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-08-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34848, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2027-08-06T02:27:56+05:30", "utc": "2027-08-05T20:57:56Z", "ms": 1817499475532.239 }, "end": { "local": "2027-08-07T00:23:22+05:30", "utc": "2027-08-06T18:53:22Z", "ms": 1817578401758.2861 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-08-06T02:27:56+05:30", "utc": "2027-08-05T20:57:56Z", "ms": 1817499475532.239 }, "end": { "local": "2027-08-07T00:23:22+05:30", "utc": "2027-08-06T18:53:22Z", "ms": 1817578401758.2861 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-08-06", "window": { "start": { "local": "2027-08-06T12:08:43+05:30", "utc": "2027-08-06T06:38:43Z", "ms": 1817534323235.6956 }, "end": { "local": "2027-08-06T12:56:43+05:30", "utc": "2027-08-06T07:26:43Z", "ms": 1817537203235.6956 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-08-07", "window": { "start": { "local": "2027-08-07T12:08:36+05:30", "utc": "2027-08-07T06:38:36Z", "ms": 1817620716308.3335 }, "end": { "local": "2027-08-07T12:56:36+05:30", "utc": "2027-08-07T07:26:36Z", "ms": 1817623596308.3335 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:28 on Fri 6 Aug to 00:23 on Sat 7 Aug.", "fact": "2027-08-05T20:57:56Z → 2027-08-06T18:53:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 6th, 12:09–12:57 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34848 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Ujjain, 2027: Friday 6 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": "2027-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-06", "confidence": "determinate" } ], "quote": "In Ujjain, Nāga Pañcamī 2027 falls on Friday 6 August. Pañcamī runs from 02:28 on Fri 6 Aug to 00:23 on Sat 7 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-08-12", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10939, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-08-12T00:59:09+05:30", "utc": "2027-08-11T19:29:09Z", "ms": 1818012548597.4978 }, "end": { "local": "2027-08-13T03:00:05+05:30", "utc": "2027-08-12T21:30:05Z", "ms": 1818106204963.0994 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-08-12T00:59:09+05:30", "utc": "2027-08-11T19:29:09Z", "ms": 1818012548597.4978 }, "end": { "local": "2027-08-13T03:00:05+05:30", "utc": "2027-08-12T21:30:05Z", "ms": 1818106204963.0994 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-08-12", "window": { "start": { "local": "2027-08-12T06:02:01+05:30", "utc": "2027-08-12T00:32:01Z", "ms": 1818030720517.2866 }, "end": { "local": "2027-08-12T06:02:01+05:30", "utc": "2027-08-12T00:32:01Z", "ms": 1818030720517.2866 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-08-13", "window": { "start": { "local": "2027-08-13T06:02:24+05:30", "utc": "2027-08-13T00:32:24Z", "ms": 1818117143975.982 }, "end": { "local": "2027-08-13T06:02:24+05:30", "utc": "2027-08-13T00:32:24Z", "ms": 1818117143975.982 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:59 on Thu 12 Aug to 03:00 on Fri 13 Aug.", "fact": "2027-08-11T19:29:09Z → 2027-08-12T21:30:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 12th and 06:02 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not 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 10939 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Ujjain, 2027: Thursday 12 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": "2027-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-12", "confidence": "determinate" } ], "quote": "In Ujjain, Putradā Ekādaśī 2027 falls on Thursday 12 August. Ekādaśī runs from 00:59 on Thu 12 Aug to 03:00 on Fri 13 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-08-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24354, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2027-08-13T03:00:05+05:30", "utc": "2027-08-12T21:30:05Z", "ms": 1818106204963.0994 }, "end": { "local": "2027-08-14T05:21:37+05:30", "utc": "2027-08-13T23:51:37Z", "ms": 1818201097386.4438 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-08-13T03:00:05+05:30", "utc": "2027-08-12T21:30:05Z", "ms": 1818106204963.0994 }, "end": { "local": "2027-08-14T05:21:37+05:30", "utc": "2027-08-13T23:51:37Z", "ms": 1818201097386.4438 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-08-13", "window": { "start": { "local": "2027-08-13T12:07:42+05:30", "utc": "2027-08-13T06:37:42Z", "ms": 1818139062228.9355 }, "end": { "local": "2027-08-13T12:55:42+05:30", "utc": "2027-08-13T07:25:42Z", "ms": 1818141942228.9355 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-08-14", "window": { "start": { "local": "2027-08-14T12:07:31+05:30", "utc": "2027-08-14T06:37:31Z", "ms": 1818225451203.1562 }, "end": { "local": "2027-08-14T12:55:31+05:30", "utc": "2027-08-14T07:25:31Z", "ms": 1818228331203.1562 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:00 on Fri 13 Aug to 05:22 on Sat 14 Aug.", "fact": "2027-08-12T21:30:05Z → 2027-08-13T23:51:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 13th, 12:08–12:56 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24354 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Ujjain, 2027: Friday 13 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": "2027-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-13", "confidence": "determinate" } ], "quote": "In Ujjain, Dāmodara Dvādaśī 2027 falls on Friday 13 August. Dvādaśī runs from 03:00 on Fri 13 Aug to 05:22 on Sat 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/pradosha-vrata?on=2027-08-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31943, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-08-14T05:21:37+05:30", "utc": "2027-08-13T23:51:37Z", "ms": 1818201097386.4438 }, "end": { "local": "2027-08-15T07:54:17+05:30", "utc": "2027-08-15T02:24:17Z", "ms": 1818296657011.8271 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-08-14T05:21:37+05:30", "utc": "2027-08-13T23:51:37Z", "ms": 1818201097386.4438 }, "end": { "local": "2027-08-15T07:54:17+05:30", "utc": "2027-08-15T02:24:17Z", "ms": 1818296657011.8271 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-08-13", "window": { "start": { "local": "2027-08-13T19:01:00+05:30", "utc": "2027-08-13T13:31:00Z", "ms": 1818163860481.8892 }, "end": { "local": "2027-08-13T20:29:15+05:30", "utc": "2027-08-13T14:59:15Z", "ms": 1818169154710.1084 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2027-08-14", "window": { "start": { "local": "2027-08-14T19:00:15+05:30", "utc": "2027-08-14T13:30:15Z", "ms": 1818250215212.7793 }, "end": { "local": "2027-08-14T20:28:39+05:30", "utc": "2027-08-14T14:58:39Z", "ms": 1818255518540.4421 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:22 on Sat 14 Aug to 07:54 on Sun 15 Aug.", "fact": "2027-08-13T23:51:37Z → 2027-08-15T02:24:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:01–20:29 on the 13th, 19:00–20:29 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 13th and 88 of 88 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31943 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Saturday 14 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": "2027-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-14", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Saturday 14 August. Trayodaśī runs from 05:22 on Sat 14 Aug to 07:54 on Sun 15 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-16", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 227, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-08-16T10:29:13+05:30", "utc": "2027-08-16T04:59:13Z", "ms": 1818392353059.176 }, "end": { "local": "2027-08-17T12:58:42+05:30", "utc": "2027-08-17T07:28:42Z", "ms": 1818487721721.7925 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2027-08-16T10:29:13+05:30", "utc": "2027-08-16T04:59:13Z", "ms": 1818392353059.176 }, "end": { "local": "2027-08-17T12:58:42+05:30", "utc": "2027-08-17T07:28:42Z", "ms": 1818487721721.7925 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-08-16", "window": { "start": { "local": "2027-08-16T12:07:08+05:30", "utc": "2027-08-16T06:37:08Z", "ms": 1818398227519.4678 }, "end": { "local": "2027-08-16T12:55:08+05:30", "utc": "2027-08-16T07:25:08Z", "ms": 1818401107519.4678 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-08-17", "window": { "start": { "local": "2027-08-17T12:06:55+05:30", "utc": "2027-08-17T06:36:55Z", "ms": 1818484614886.2915 }, "end": { "local": "2027-08-17T12:54:55+05:30", "utc": "2027-08-17T07:24:55Z", "ms": 1818487494886.2915 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:29 on Mon 16 Aug to 12:59 on Tue 17 Aug.", "fact": "2027-08-16T04:59:13Z → 2027-08-17T07:28:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 16th, 12:07–12:55 on the 17th.", "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 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 227 s < 300 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Ujjain, 2027: Monday 16 August.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-08-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-16", "confidence": "boundary" } ], "quote": "In Ujjain, Ṛṣi Tarpaṇa 2027 falls on Monday 16 August. Pūrṇimā runs from 10:29 on Mon 16 Aug to 12:59 on Tue 17 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 48 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 47 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-17", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 22731, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-08-16T10:29:13+05:30", "utc": "2027-08-16T04:59:13Z", "ms": 1818392353059.176 }, "end": { "local": "2027-08-17T12:58:42+05:30", "utc": "2027-08-17T07:28:42Z", "ms": 1818487721721.7925 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2027-08-16T23:45:04+05:30", "utc": "2027-08-16T18:15:04Z", "ms": 1818440104405.2996 }, "end": { "local": "2027-08-17T12:58:42+05:30", "utc": "2027-08-17T07:28:42Z", "ms": 1818487721721.7925 } }, "kaala": "day", "days": [ { "local_date": "2027-08-16", "window": { "start": { "local": "2027-08-16T06:03:33+05:30", "utc": "2027-08-16T00:33:33Z", "ms": 1818376412907.583 }, "end": { "local": "2027-08-17T06:03:55+05:30", "utc": "2027-08-17T00:33:55Z", "ms": 1818462835408.0413 } }, "covered_min": 379, "window_min": 1440, "qualifies": true }, { "local_date": "2027-08-17", "window": { "start": { "local": "2027-08-17T06:03:55+05:30", "utc": "2027-08-17T00:33:55Z", "ms": 1818462835408.0413 }, "end": { "local": "2027-08-18T06:04:18+05:30", "utc": "2027-08-18T00:34:18Z", "ms": 1818549257675.118 } }, "covered_min": 415, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:29 on Mon 16 Aug to 12:59 on Tue 17 Aug. Its second half begins at 23:45 on Mon 16 Aug.", "fact": "2027-08-16T04:59:13Z → 2027-08-17T07:28:42Z · second half from 2027-08-16T18:15:04Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:04 on the 16th, and from 06:04 on the 17th.", "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 379 of 1440 minutes on the 16th and 415 of 1440 on the 17th.", "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 22731 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Ujjain, 2027: Tuesday 17 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": "2027-08-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-17", "confidence": "boundary" } ], "quote": "In Ujjain, Rakṣā Bandhana (Rakhi) 2027 falls on Tuesday 17 August. The second half of Pūrṇimā runs from 23:45 on Mon 16 Aug to 12:59 on Tue 17 Aug and falls on two days: 415 minutes of it on the 17th, 379 on the 16th; 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/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9955, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2027-08-18T15:16:11+05:30", "utc": "2027-08-18T09:46:11Z", "ms": 1818582371382.201 }, "end": { "local": "2027-08-19T17:16:11+05:30", "utc": "2027-08-19T11:46:11Z", "ms": 1818675971373.7302 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-18T15:16:11+05:30", "utc": "2027-08-18T09:46:11Z", "ms": 1818582371382.201 }, "end": { "local": "2027-08-19T17:16:11+05:30", "utc": "2027-08-19T11:46:11Z", "ms": 1818675971373.7302 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-08-18", "window": { "start": { "local": "2027-08-18T19:31:43+05:30", "utc": "2027-08-18T14:01:43Z", "ms": 1818597703125.8496 }, "end": { "local": "2027-08-18T19:31:43+05:30", "utc": "2027-08-18T14:01:43Z", "ms": 1818597703125.8496 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-08-19", "window": { "start": { "local": "2027-08-19T20:02:06+05:30", "utc": "2027-08-19T14:32:06Z", "ms": 1818685926112.038 }, "end": { "local": "2027-08-19T20:02:06+05:30", "utc": "2027-08-19T14:32:06Z", "ms": 1818685926112.038 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 15:16 on Wed 18 Aug to 17:16 on Thu 19 Aug.", "fact": "2027-08-18T09:46:11Z → 2027-08-19T11:46:11Z" }, { "step": "kaala", "text": "Moonrise is at 19:32 on the 18th and 20:02 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 18th and is not on the 19th.", "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 9955 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Ujjain, 2027: Wednesday 18 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": "2027-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-18", "confidence": "determinate" } ], "quote": "In Ujjain, Aśūnya Śayana Vrata 2027 falls on Wednesday 18 August. Dvitīyā runs from 15:16 on Wed 18 Aug to 17:16 on Thu 19 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15703, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2027-08-19T17:16:11+05:30", "utc": "2027-08-19T11:46:11Z", "ms": 1818675971373.7302 }, "end": { "local": "2027-08-20T18:53:55+05:30", "utc": "2027-08-20T13:23:55Z", "ms": 1818768234970.3503 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-19T17:16:11+05:30", "utc": "2027-08-19T11:46:11Z", "ms": 1818675971373.7302 }, "end": { "local": "2027-08-20T18:53:55+05:30", "utc": "2027-08-20T13:23:55Z", "ms": 1818768234970.3503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-08-19", "window": { "start": { "local": "2027-08-19T12:06:28+05:30", "utc": "2027-08-19T06:36:28Z", "ms": 1818657388104.1729 }, "end": { "local": "2027-08-19T12:54:28+05:30", "utc": "2027-08-19T07:24:28Z", "ms": 1818660268104.1729 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-08-20", "window": { "start": { "local": "2027-08-20T12:06:14+05:30", "utc": "2027-08-20T06:36:14Z", "ms": 1818743773983.7104 }, "end": { "local": "2027-08-20T12:54:14+05:30", "utc": "2027-08-20T07:24:14Z", "ms": 1818746653983.7104 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:16 on Thu 19 Aug to 18:54 on Fri 20 Aug.", "fact": "2027-08-19T11:46:11Z → 2027-08-20T13:23:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 19th, 12:06–12:54 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15703 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Ujjain, 2027: Friday 20 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": "2027-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-20", "confidence": "determinate" } ], "quote": "In Ujjain, Kajjalī Tṛtīyā (Kajari Teej) 2027 falls on Friday 20 August. Tṛtīyā runs from 17:16 on Thu 19 Aug to 18:54 on Fri 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-20", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 91, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-08-20T18:53:55+05:30", "utc": "2027-08-20T13:23:55Z", "ms": 1818768234970.3503 }, "end": { "local": "2027-08-21T20:05:07+05:30", "utc": "2027-08-21T14:35:07Z", "ms": 1818858906524.0295 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-20T18:53:55+05:30", "utc": "2027-08-20T13:23:55Z", "ms": 1818768234970.3503 }, "end": { "local": "2027-08-21T20:05:07+05:30", "utc": "2027-08-21T14:35:07Z", "ms": 1818858906524.0295 } }, "kaala": "sayahna", "days": [ { "local_date": "2027-08-20", "window": { "start": { "local": "2027-08-20T16:21:21+05:30", "utc": "2027-08-20T10:51:21Z", "ms": 1818759081457.5024 }, "end": { "local": "2027-08-20T18:55:26+05:30", "utc": "2027-08-20T13:25:26Z", "ms": 1818768326440.0305 } }, "covered_min": 2, "window_min": 154, "qualifies": true }, { "local_date": "2027-08-21", "window": { "start": { "local": "2027-08-21T16:20:45+05:30", "utc": "2027-08-21T10:50:45Z", "ms": 1818845445160.6584 }, "end": { "local": "2027-08-21T18:54:36+05:30", "utc": "2027-08-21T13:24:36Z", "ms": 1818854675669.9446 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:54 on Fri 20 Aug to 20:05 on Sat 21 Aug.", "fact": "2027-08-20T13:23:55Z → 2027-08-21T14:35:07Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:21–18:55 on the 20th, 16:21–18:55 on the 21st.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 2 of 154 minutes on the 20th and 154 of 154 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both late afternoons qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 91 s < 300 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Ujjain, 2027: Friday 20 August.", "fact": "confidence: boundary (margin)" } ], "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": "2027-08-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-20", "confidence": "boundary" } ], "quote": "In Ujjain, Bahulā Caturthī 2027 falls on Friday 20 August. Caturthī runs from 18:54 on Fri 20 Aug to 20:05 on Sat 21 Aug and covers 2 of 154 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 154 minutes; by the rule the first late afternoon is taken. It is 1 min 31 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-08-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3609, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-08-20T18:53:55+05:30", "utc": "2027-08-20T13:23:55Z", "ms": 1818768234970.3503 }, "end": { "local": "2027-08-21T20:05:07+05:30", "utc": "2027-08-21T14:35:07Z", "ms": 1818858906524.0295 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-20T18:53:55+05:30", "utc": "2027-08-20T13:23:55Z", "ms": 1818768234970.3503 }, "end": { "local": "2027-08-21T20:05:07+05:30", "utc": "2027-08-21T14:35:07Z", "ms": 1818858906524.0295 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-08-20", "window": { "start": { "local": "2027-08-20T20:32:53+05:30", "utc": "2027-08-20T15:02:53Z", "ms": 1818774172955.3748 }, "end": { "local": "2027-08-20T20:32:53+05:30", "utc": "2027-08-20T15:02:53Z", "ms": 1818774172955.3748 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-08-21", "window": { "start": { "local": "2027-08-21T21:05:15+05:30", "utc": "2027-08-21T15:35:15Z", "ms": 1818862515076.0935 }, "end": { "local": "2027-08-21T21:05:15+05:30", "utc": "2027-08-21T15:35:15Z", "ms": 1818862515076.0935 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:54 on Fri 20 Aug to 20:05 on Sat 21 Aug.", "fact": "2027-08-20T13:23:55Z → 2027-08-21T14:35:07Z" }, { "step": "kaala", "text": "Moonrise is at 20:33 on the 20th and 21:05 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3609 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Friday 20 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": "2027-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-20", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Friday 20 August. Caturthī runs from 18:54 on Fri 20 Aug to 20:05 on Sat 21 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-08-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28335, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2027-08-22T20:45:59+05:30", "utc": "2027-08-22T15:15:59Z", "ms": 1818947759126.303 }, "end": { "local": "2027-08-23T20:53:24+05:30", "utc": "2027-08-23T15:23:24Z", "ms": 1819034604329.2952 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-22T20:45:59+05:30", "utc": "2027-08-22T15:15:59Z", "ms": 1818947759126.303 }, "end": { "local": "2027-08-23T20:53:24+05:30", "utc": "2027-08-23T15:23:24Z", "ms": 1819034604329.2952 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-08-22", "window": { "start": { "local": "2027-08-22T12:05:44+05:30", "utc": "2027-08-22T06:35:44Z", "ms": 1818916544358.4668 }, "end": { "local": "2027-08-22T12:53:44+05:30", "utc": "2027-08-22T07:23:44Z", "ms": 1818919424358.4668 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-08-23", "window": { "start": { "local": "2027-08-23T12:05:29+05:30", "utc": "2027-08-23T06:35:29Z", "ms": 1819002928884.3604 }, "end": { "local": "2027-08-23T12:53:29+05:30", "utc": "2027-08-23T07:23:29Z", "ms": 1819005808884.3604 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:46 on Sun 22 Aug to 20:53 on Mon 23 Aug.", "fact": "2027-08-22T15:15:59Z → 2027-08-23T15:23:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 22nd, 12:05–12:53 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28335 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Ujjain, 2027: Monday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-23", "confidence": "determinate" } ], "quote": "In Ujjain, Hala Ṣaṣṭhī 2027 falls on Monday 23 August. Ṣaṣṭhī runs from 20:46 on Sun 22 Aug to 20:53 on Mon 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13213, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2027-08-24T20:25:11+05:30", "utc": "2027-08-24T14:55:11Z", "ms": 1819119310756.5085 }, "end": { "local": "2027-08-25T19:20:25+05:30", "utc": "2027-08-25T13:50:25Z", "ms": 1819201825345.889 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-24T20:25:11+05:30", "utc": "2027-08-24T14:55:11Z", "ms": 1819119310756.5085 }, "end": { "local": "2027-08-25T19:20:25+05:30", "utc": "2027-08-25T13:50:25Z", "ms": 1819201825345.889 } }, "kaala": "nishita", "days": [ { "local_date": "2027-08-24", "window": { "start": { "local": "2027-08-25T00:05:23+05:30", "utc": "2027-08-24T18:35:23Z", "ms": 1819132523384.274 }, "end": { "local": "2027-08-25T00:53:23+05:30", "utc": "2027-08-24T19:23:23Z", "ms": 1819135403384.274 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-08-25", "window": { "start": { "local": "2027-08-26T00:05:07+05:30", "utc": "2027-08-25T18:35:07Z", "ms": 1819218906992.1104 }, "end": { "local": "2027-08-26T00:53:07+05:30", "utc": "2027-08-25T19:23:07Z", "ms": 1819221786992.1104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:25 on Tue 24 Aug to 19:20 on Wed 25 Aug.", "fact": "2027-08-24T14:55:11Z → 2027-08-25T13:50:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 24th, 00:05–00:53 on the 25th.", "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 24th and 0 of 48 on the 25th.", "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 13213 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Ujjain, 2027: Tuesday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-24", "confidence": "determinate" } ], "quote": "In Ujjain, Janmāṣṭamī (Krishna Janmashtami) 2027 falls on Tuesday 24 August. Aṣṭamī runs from 20:25 on Tue 24 Aug to 19:20 on Wed 25 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27118, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2027-08-23T20:53:24+05:30", "utc": "2027-08-23T15:23:24Z", "ms": 1819034604329.2952 }, "end": { "local": "2027-08-24T20:25:11+05:30", "utc": "2027-08-24T14:55:11Z", "ms": 1819119310756.5085 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-23T20:53:24+05:30", "utc": "2027-08-23T15:23:24Z", "ms": 1819034604329.2952 }, "end": { "local": "2027-08-24T20:25:11+05:30", "utc": "2027-08-24T14:55:11Z", "ms": 1819119310756.5085 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-08-23", "window": { "start": { "local": "2027-08-23T12:05:29+05:30", "utc": "2027-08-23T06:35:29Z", "ms": 1819002928884.3604 }, "end": { "local": "2027-08-23T12:53:29+05:30", "utc": "2027-08-23T07:23:29Z", "ms": 1819005808884.3604 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-08-24", "window": { "start": { "local": "2027-08-24T12:05:13+05:30", "utc": "2027-08-24T06:35:13Z", "ms": 1819089312989.9062 }, "end": { "local": "2027-08-24T12:53:13+05:30", "utc": "2027-08-24T07:23:13Z", "ms": 1819092192989.9062 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:53 on Mon 23 Aug to 20:25 on Tue 24 Aug.", "fact": "2027-08-23T15:23:24Z → 2027-08-24T14:55:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 23rd, 12:05–12:53 on the 24th.", "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 23rd and 48 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: purvaviddha → only-day · margin 27118 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Ujjain, 2027: Tuesday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-24", "confidence": "determinate" } ], "quote": "In Ujjain, Śītalā Saptamī 2027 falls on Tuesday 24 August. Saptamī runs from 20:53 on Mon 23 Aug to 20:25 on Tue 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-08-28", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23694, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-08-27T15:25:53+05:30", "utc": "2027-08-27T09:55:53Z", "ms": 1819360553015.6133 }, "end": { "local": "2027-08-28T12:42:43+05:30", "utc": "2027-08-28T07:12:43Z", "ms": 1819437162551.6204 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-27T15:25:53+05:30", "utc": "2027-08-27T09:55:53Z", "ms": 1819360553015.6133 }, "end": { "local": "2027-08-28T12:42:43+05:30", "utc": "2027-08-28T07:12:43Z", "ms": 1819437162551.6204 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-08-27", "window": { "start": { "local": "2027-08-27T06:07:28+05:30", "utc": "2027-08-27T00:37:28Z", "ms": 1819327048482.9524 }, "end": { "local": "2027-08-27T06:07:28+05:30", "utc": "2027-08-27T00:37:28Z", "ms": 1819327048482.9524 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-08-28", "window": { "start": { "local": "2027-08-28T06:07:49+05:30", "utc": "2027-08-28T00:37:49Z", "ms": 1819413468731.7207 }, "end": { "local": "2027-08-28T06:07:49+05:30", "utc": "2027-08-28T00:37:49Z", "ms": 1819413468731.7207 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:26 on Fri 27 Aug to 12:43 on Sat 28 Aug.", "fact": "2027-08-27T09:55:53Z → 2027-08-28T07:12:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 27th and 06:08 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is 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 23694 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Ujjain, 2027: Saturday 28 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": "2027-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-28", "confidence": "determinate" } ], "quote": "In Ujjain, Ajā Ekādaśī 2027 falls on Saturday 28 August. Ekādaśī runs from 15:26 on Fri 27 Aug to 12:43 on Sat 28 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-08-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-08-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33083, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-08-29T09:36:03+05:30", "utc": "2027-08-29T04:06:03Z", "ms": 1819512363325.2563 }, "end": { "local": "2027-08-30T06:13:00+05:30", "utc": "2027-08-30T00:43:00Z", "ms": 1819586580236.7837 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-29T09:36:03+05:30", "utc": "2027-08-29T04:06:03Z", "ms": 1819512363325.2563 }, "end": { "local": "2027-08-30T06:13:00+05:30", "utc": "2027-08-30T00:43:00Z", "ms": 1819586580236.7837 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-08-29", "window": { "start": { "local": "2027-08-29T18:47:27+05:30", "utc": "2027-08-29T13:17:27Z", "ms": 1819545446663.2695 }, "end": { "local": "2027-08-29T20:18:15+05:30", "utc": "2027-08-29T14:48:15Z", "ms": 1819550894937.625 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2027-08-30", "window": { "start": { "local": "2027-08-30T18:46:31+05:30", "utc": "2027-08-30T13:16:31Z", "ms": 1819631790531.3667 }, "end": { "local": "2027-08-30T20:17:29+05:30", "utc": "2027-08-30T14:47:29Z", "ms": 1819637248922.8757 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:36 on Sun 29 Aug to 06:13 on Mon 30 Aug.", "fact": "2027-08-29T04:06:03Z → 2027-08-30T00:43:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:18 on the 29th, 18:47–20:17 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 91 of 91 minutes on the 29th and 0 of 91 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 33083 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Sunday 29 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": "2027-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-29", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Sunday 29 August. Trayodaśī runs from 09:36 on Sun 29 Aug to 06:13 on Mon 30 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23054, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-08-30T06:13:00+05:30", "utc": "2027-08-30T00:43:00Z", "ms": 1819586580236.7837 }, "end": { "local": "2027-08-31T02:41:43+05:30", "utc": "2027-08-30T21:11:43Z", "ms": 1819660303292.4275 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-30T06:13:00+05:30", "utc": "2027-08-30T00:43:00Z", "ms": 1819586580236.7837 }, "end": { "local": "2027-08-31T02:41:43+05:30", "utc": "2027-08-30T21:11:43Z", "ms": 1819660303292.4275 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-08-29", "window": { "start": { "local": "2027-08-29T18:47:27+05:30", "utc": "2027-08-29T13:17:27Z", "ms": 1819545446663.2695 }, "end": { "local": "2027-08-29T20:18:15+05:30", "utc": "2027-08-29T14:48:15Z", "ms": 1819550894937.625 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2027-08-30", "window": { "start": { "local": "2027-08-30T18:46:31+05:30", "utc": "2027-08-30T13:16:31Z", "ms": 1819631790531.3667 }, "end": { "local": "2027-08-30T20:17:29+05:30", "utc": "2027-08-30T14:47:29Z", "ms": 1819637248922.8757 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:13 on Mon 30 Aug to 02:42 on Tue 31 Aug.", "fact": "2027-08-30T00:43:00Z → 2027-08-30T21:11:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:18 on the 29th, 18:47–20:17 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 29th and 91 of 91 on the 30th.", "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 23054 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Ujjain, 2027: Monday 30 August.", "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": "2027-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-30", "confidence": "determinate" } ], "quote": "In Ujjain, Aghora Caturdaśī 2027 falls on Monday 30 August. Caturdaśī runs from 06:13 on Mon 30 Aug to 02:42 on Tue 31 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/shivaratri?on=2027-08-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6604, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-08-30T06:13:00+05:30", "utc": "2027-08-30T00:43:00Z", "ms": 1819586580236.7837 }, "end": { "local": "2027-08-31T02:41:43+05:30", "utc": "2027-08-30T21:11:43Z", "ms": 1819660303292.4275 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-30T06:13:00+05:30", "utc": "2027-08-30T00:43:00Z", "ms": 1819586580236.7837 }, "end": { "local": "2027-08-31T02:41:43+05:30", "utc": "2027-08-30T21:11:43Z", "ms": 1819660303292.4275 } }, "kaala": "nishita", "days": [ { "local_date": "2027-08-29", "window": { "start": { "local": "2027-08-30T00:03:58+05:30", "utc": "2027-08-29T18:33:58Z", "ms": 1819564437692.1028 }, "end": { "local": "2027-08-30T00:51:58+05:30", "utc": "2027-08-29T19:21:58Z", "ms": 1819567317692.1028 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-08-30", "window": { "start": { "local": "2027-08-31T00:03:39+05:30", "utc": "2027-08-30T18:33:39Z", "ms": 1819650819499.526 }, "end": { "local": "2027-08-31T00:51:39+05:30", "utc": "2027-08-30T19:21:39Z", "ms": 1819653699499.526 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:13 on Mon 30 Aug to 02:42 on Tue 31 Aug.", "fact": "2027-08-30T00:43:00Z → 2027-08-30T21:11:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 29th, 00:04–00:52 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6604 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Monday 30 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": "2027-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-08-30", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Monday 30 August. Caturdaśī runs from 06:13 on Mon 30 Aug to 02:42 on Tue 31 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25202, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2027-08-31T23:11:11+05:30", "utc": "2027-08-31T17:41:11Z", "ms": 1819734071265.1812 }, "end": { "local": "2027-09-01T19:50:54+05:30", "utc": "2027-09-01T14:20:54Z", "ms": 1819808454211.667 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-08-31T23:11:11+05:30", "utc": "2027-08-31T17:41:11Z", "ms": 1819734071265.1812 }, "end": { "local": "2027-09-01T19:50:54+05:30", "utc": "2027-09-01T14:20:54Z", "ms": 1819808454211.667 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-08-31", "window": { "start": { "local": "2027-08-31T12:03:11+05:30", "utc": "2027-08-31T06:33:11Z", "ms": 1819693991191.1152 }, "end": { "local": "2027-08-31T12:51:11+05:30", "utc": "2027-08-31T07:21:11Z", "ms": 1819696871191.1152 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-09-01", "window": { "start": { "local": "2027-09-01T12:02:52+05:30", "utc": "2027-09-01T06:32:52Z", "ms": 1819780372442.9307 }, "end": { "local": "2027-09-01T12:50:52+05:30", "utc": "2027-09-01T07:20:52Z", "ms": 1819783252442.9307 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:11 on Tue 31 Aug to 19:51 on Wed 1 Sep.", "fact": "2027-08-31T17:41:11Z → 2027-09-01T14:20:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 31st, 12:03–12:51 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25202 s" }, { "step": "ruling", "text": "Rudra Vrata, Ujjain, 2027: Wednesday 1 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": "2027-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-01", "confidence": "determinate" } ], "quote": "In Ujjain, Rudra Vrata 2027 falls on Wednesday 1 September. Pratipadā runs from 23:11 on Tue 31 Aug to 19:51 on Wed 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5357, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2027-09-02T16:50:33+05:30", "utc": "2027-09-02T11:20:33Z", "ms": 1819884032820.626 }, "end": { "local": "2027-09-03T14:19:31+05:30", "utc": "2027-09-03T08:49:31Z", "ms": 1819961371491.635 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-02T16:50:33+05:30", "utc": "2027-09-02T11:20:33Z", "ms": 1819884032820.626 }, "end": { "local": "2027-09-03T14:19:31+05:30", "utc": "2027-09-03T08:49:31Z", "ms": 1819961371491.635 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-09-02", "window": { "start": { "local": "2027-09-02T12:02:33+05:30", "utc": "2027-09-02T06:32:33Z", "ms": 1819866753393.4026 }, "end": { "local": "2027-09-02T12:50:33+05:30", "utc": "2027-09-02T07:20:33Z", "ms": 1819869633393.4026 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-09-03", "window": { "start": { "local": "2027-09-03T12:02:14+05:30", "utc": "2027-09-03T06:32:14Z", "ms": 1819953134055.1316 }, "end": { "local": "2027-09-03T12:50:14+05:30", "utc": "2027-09-03T07:20:14Z", "ms": 1819956014055.1316 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:51 on Thu 2 Sep to 14:20 on Fri 3 Sep.", "fact": "2027-09-02T11:20:33Z → 2027-09-03T08:49:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 2nd, 12:02–12:50 on the 3rd.", "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 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: paraviddha → only-day · margin 5357 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Ujjain, 2027: Friday 3 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": "2027-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-03", "confidence": "determinate" } ], "quote": "In Ujjain, Haritālikā Vrata (Hartalika Teej) 2027 falls on Friday 3 September. Tṛtīyā runs from 16:51 on Thu 2 Sep to 14:20 on Fri 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1413, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-09-03T14:19:31+05:30", "utc": "2027-09-03T08:49:31Z", "ms": 1819961371491.635 }, "end": { "local": "2027-09-04T12:26:22+05:30", "utc": "2027-09-04T06:56:22Z", "ms": 1820040981901.132 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-03T14:19:31+05:30", "utc": "2027-09-03T08:49:31Z", "ms": 1819961371491.635 }, "end": { "local": "2027-09-04T12:26:22+05:30", "utc": "2027-09-04T06:56:22Z", "ms": 1820040981901.132 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-09-03", "window": { "start": { "local": "2027-09-03T12:02:14+05:30", "utc": "2027-09-03T06:32:14Z", "ms": 1819953134055.1316 }, "end": { "local": "2027-09-03T12:50:14+05:30", "utc": "2027-09-03T07:20:14Z", "ms": 1819956014055.1316 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-09-04", "window": { "start": { "local": "2027-09-04T12:01:54+05:30", "utc": "2027-09-04T06:31:54Z", "ms": 1820039514441.872 }, "end": { "local": "2027-09-04T12:49:54+05:30", "utc": "2027-09-04T07:19:54Z", "ms": 1820042394441.872 } }, "covered_min": 24, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:20 on Fri 3 Sep to 12:26 on Sat 4 Sep.", "fact": "2027-09-03T08:49:31Z → 2027-09-04T06:56:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 3rd, 12:02–12:50 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 24 of 48 on the 4th.", "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 1413 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Ujjain, 2027: Saturday 4 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": "2027-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-04", "confidence": "determinate" } ], "quote": "In Ujjain, Gaṇeśa Caturthī 2027 falls on Saturday 4 September. Caturthī runs from 14:20 on Fri 3 Sep to 12:26 on Sat 4 Sep and covers 24 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1413, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2027-09-04T12:26:22+05:30", "utc": "2027-09-04T06:56:22Z", "ms": 1820040981901.132 }, "end": { "local": "2027-09-05T11:17:55+05:30", "utc": "2027-09-05T05:47:55Z", "ms": 1820123275314.1013 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-04T12:26:22+05:30", "utc": "2027-09-04T06:56:22Z", "ms": 1820040981901.132 }, "end": { "local": "2027-09-05T11:17:55+05:30", "utc": "2027-09-05T05:47:55Z", "ms": 1820123275314.1013 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-09-04", "window": { "start": { "local": "2027-09-04T12:01:54+05:30", "utc": "2027-09-04T06:31:54Z", "ms": 1820039514441.872 }, "end": { "local": "2027-09-04T12:49:54+05:30", "utc": "2027-09-04T07:19:54Z", "ms": 1820042394441.872 } }, "covered_min": 24, "window_min": 48, "qualifies": true }, { "local_date": "2027-09-05", "window": { "start": { "local": "2027-09-05T12:01:35+05:30", "utc": "2027-09-05T06:31:35Z", "ms": 1820125894568.5396 }, "end": { "local": "2027-09-05T12:49:35+05:30", "utc": "2027-09-05T07:19:35Z", "ms": 1820128774568.5396 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:26 on Sat 4 Sep to 11:18 on Sun 5 Sep.", "fact": "2027-09-04T06:56:22Z → 2027-09-05T05:47:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 4th, 12:02–12:50 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 24 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 1413 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Ujjain, 2027: Saturday 4 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": "2027-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-04", "confidence": "boundary" } ], "quote": "In Ujjain, Ṛṣi Pañcamī 2027 falls on Saturday 4 September. Pañcamī runs from 12:26 on Sat 4 Sep to 11:18 on Sun 5 Sep and covers 24 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2619, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2027-09-05T11:17:55+05:30", "utc": "2027-09-05T05:47:55Z", "ms": 1820123275314.1013 }, "end": { "local": "2027-09-06T10:58:26+05:30", "utc": "2027-09-06T05:28:26Z", "ms": 1820208505927.225 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-05T11:17:55+05:30", "utc": "2027-09-05T05:47:55Z", "ms": 1820123275314.1013 }, "end": { "local": "2027-09-06T10:58:26+05:30", "utc": "2027-09-06T05:28:26Z", "ms": 1820208505927.225 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-09-05", "window": { "start": { "local": "2027-09-05T12:01:35+05:30", "utc": "2027-09-05T06:31:35Z", "ms": 1820125894568.5396 }, "end": { "local": "2027-09-05T12:49:35+05:30", "utc": "2027-09-05T07:19:35Z", "ms": 1820128774568.5396 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-09-06", "window": { "start": { "local": "2027-09-06T12:01:14+05:30", "utc": "2027-09-06T06:31:14Z", "ms": 1820212274451.2017 }, "end": { "local": "2027-09-06T12:49:14+05:30", "utc": "2027-09-06T07:19:14Z", "ms": 1820215154451.2017 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:18 on Sun 5 Sep to 10:58 on Mon 6 Sep.", "fact": "2027-09-05T05:47:55Z → 2027-09-06T05:28:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 5th, 12:01–12:49 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2619 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Ujjain, 2027: Sunday 5 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": "2027-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-05", "confidence": "determinate" } ], "quote": "In Ujjain, Sūrya Ṣaṣṭhī (Bhādrapada) 2027 falls on Sunday 5 September. Ṣaṣṭhī runs from 11:18 on Sun 5 Sep to 10:58 on Mon 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1940, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2027-09-06T10:58:26+05:30", "utc": "2027-09-06T05:28:26Z", "ms": 1820208505927.225 }, "end": { "local": "2027-09-07T11:28:34+05:30", "utc": "2027-09-07T05:58:34Z", "ms": 1820296714357.8506 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-06T10:58:26+05:30", "utc": "2027-09-06T05:28:26Z", "ms": 1820208505927.225 }, "end": { "local": "2027-09-07T11:28:34+05:30", "utc": "2027-09-07T05:58:34Z", "ms": 1820296714357.8506 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-09-06", "window": { "start": { "local": "2027-09-06T12:01:14+05:30", "utc": "2027-09-06T06:31:14Z", "ms": 1820212274451.2017 }, "end": { "local": "2027-09-06T12:49:14+05:30", "utc": "2027-09-06T07:19:14Z", "ms": 1820215154451.2017 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-09-07", "window": { "start": { "local": "2027-09-07T12:00:54+05:30", "utc": "2027-09-07T06:30:54Z", "ms": 1820298654106.982 }, "end": { "local": "2027-09-07T12:48:54+05:30", "utc": "2027-09-07T07:18:54Z", "ms": 1820301534106.982 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:58 on Mon 6 Sep to 11:29 on Tue 7 Sep.", "fact": "2027-09-06T05:28:26Z → 2027-09-07T05:58:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 6th, 12:01–12:49 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1940 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Ujjain, 2027: Monday 6 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": "2027-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-06", "confidence": "determinate" } ], "quote": "In Ujjain, Muktābharaṇa Vrata 2027 falls on Monday 6 September. Saptamī runs from 10:58 on Mon 6 Sep to 11:29 on Tue 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-07", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 225, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2027-09-07T11:28:34+05:30", "utc": "2027-09-07T05:58:34Z", "ms": 1820296714357.8506 }, "end": { "local": "2027-09-08T12:44:48+05:30", "utc": "2027-09-08T07:14:48Z", "ms": 1820387688169.194 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-07T11:28:34+05:30", "utc": "2027-09-07T05:58:34Z", "ms": 1820296714357.8506 }, "end": { "local": "2027-09-08T12:44:48+05:30", "utc": "2027-09-08T07:14:48Z", "ms": 1820387688169.194 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-09-07", "window": { "start": { "local": "2027-09-07T12:00:54+05:30", "utc": "2027-09-07T06:30:54Z", "ms": 1820298654106.982 }, "end": { "local": "2027-09-07T12:48:54+05:30", "utc": "2027-09-07T07:18:54Z", "ms": 1820301534106.982 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-09-08", "window": { "start": { "local": "2027-09-08T12:00:34+05:30", "utc": "2027-09-08T06:30:34Z", "ms": 1820385033553.9192 }, "end": { "local": "2027-09-08T12:48:34+05:30", "utc": "2027-09-08T07:18:34Z", "ms": 1820387913553.9192 } }, "covered_min": 44, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:29 on Tue 7 Sep to 12:45 on Wed 8 Sep.", "fact": "2027-09-07T05:58:34Z → 2027-09-08T07:14:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 7th, 12:01–12:49 on the 8th.", "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 7th and 44 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 225 s < 300 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Ujjain, 2027: Tuesday 7 September.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-09-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-07", "confidence": "boundary" } ], "quote": "In Ujjain, Rādhāṣṭamī 2027 falls on Tuesday 7 September. Aṣṭamī runs from 11:29 on Tue 7 Sep to 12:45 on Wed 8 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 44 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 45 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-09-11", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38159, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-09-10T17:00:57+05:30", "utc": "2027-09-10T11:30:57Z", "ms": 1820575856757.5662 }, "end": { "local": "2027-09-11T19:36:36+05:30", "utc": "2027-09-11T14:06:36Z", "ms": 1820671595917.1636 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-10T17:00:57+05:30", "utc": "2027-09-10T11:30:57Z", "ms": 1820575856757.5662 }, "end": { "local": "2027-09-11T19:36:36+05:30", "utc": "2027-09-11T14:06:36Z", "ms": 1820671595917.1636 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-09-11", "window": { "start": { "local": "2027-09-11T06:12:16+05:30", "utc": "2027-09-11T00:42:16Z", "ms": 1820623336377.9817 }, "end": { "local": "2027-09-11T06:12:16+05:30", "utc": "2027-09-11T00:42:16Z", "ms": 1820623336377.9817 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-09-12", "window": { "start": { "local": "2027-09-12T06:12:35+05:30", "utc": "2027-09-12T00:42:35Z", "ms": 1820709754680.5386 }, "end": { "local": "2027-09-12T06:12:35+05:30", "utc": "2027-09-12T00:42:35Z", "ms": 1820709754680.5386 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:01 on Fri 10 Sep to 19:37 on Sat 11 Sep.", "fact": "2027-09-10T11:30:57Z → 2027-09-11T14:06:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 11th and 06:13 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38159 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Ujjain, 2027: Saturday 11 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": "2027-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-11", "confidence": "determinate" } ], "quote": "In Ujjain, Parivartanī Ekādaśī 2027 falls on Saturday 11 September. Ekādaśī runs from 17:01 on Fri 10 Sep to 19:37 on Sat 11 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-09-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24545, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2027-09-11T19:36:36+05:30", "utc": "2027-09-11T14:06:36Z", "ms": 1820671595917.1636 }, "end": { "local": "2027-09-12T22:13:22+05:30", "utc": "2027-09-12T16:43:22Z", "ms": 1820767401711.5117 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-11T19:36:36+05:30", "utc": "2027-09-11T14:06:36Z", "ms": 1820671595917.1636 }, "end": { "local": "2027-09-12T22:13:22+05:30", "utc": "2027-09-12T16:43:22Z", "ms": 1820767401711.5117 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-09-11", "window": { "start": { "local": "2027-09-11T11:59:31+05:30", "utc": "2027-09-11T06:29:31Z", "ms": 1820644170833.2341 }, "end": { "local": "2027-09-11T12:47:31+05:30", "utc": "2027-09-11T07:17:31Z", "ms": 1820647050833.2341 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-09-12", "window": { "start": { "local": "2027-09-12T11:59:10+05:30", "utc": "2027-09-12T06:29:10Z", "ms": 1820730549639.4634 }, "end": { "local": "2027-09-12T12:47:10+05:30", "utc": "2027-09-12T07:17:10Z", "ms": 1820733429639.4634 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:37 on Sat 11 Sep to 22:13 on Sun 12 Sep.", "fact": "2027-09-11T14:06:36Z → 2027-09-12T16:43:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 11th, 11:59–12:47 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24545 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Ujjain, 2027: Sunday 12 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": "2027-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-12", "confidence": "determinate" } ], "quote": "In Ujjain, Vāmana Jayantī 2027 falls on Sunday 12 September. Dvādaśī runs from 19:37 on Sat 11 Sep to 22:13 on Sun 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/pradosha-vrata?on=2027-09-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7584, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-09-12T22:13:22+05:30", "utc": "2027-09-12T16:43:22Z", "ms": 1820767401711.5117 }, "end": { "local": "2027-09-14T00:40:07+05:30", "utc": "2027-09-13T19:10:07Z", "ms": 1820862607255.882 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-12T22:13:22+05:30", "utc": "2027-09-12T16:43:22Z", "ms": 1820767401711.5117 }, "end": { "local": "2027-09-14T00:40:07+05:30", "utc": "2027-09-13T19:10:07Z", "ms": 1820862607255.882 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-09-12", "window": { "start": { "local": "2027-09-12T18:33:45+05:30", "utc": "2027-09-12T13:03:45Z", "ms": 1820754224598.3882 }, "end": { "local": "2027-09-12T20:06:58+05:30", "utc": "2027-09-12T14:36:58Z", "ms": 1820759817710.731 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2027-09-13", "window": { "start": { "local": "2027-09-13T18:32:44+05:30", "utc": "2027-09-13T13:02:44Z", "ms": 1820840563733.2346 }, "end": { "local": "2027-09-13T20:06:07+05:30", "utc": "2027-09-13T14:36:07Z", "ms": 1820846167392.1965 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:13 on Sun 12 Sep to 00:40 on Tue 14 Sep.", "fact": "2027-09-12T16:43:22Z → 2027-09-13T19:10:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:07 on the 12th, 18:33–20:06 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 12th and 93 of 93 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 7584 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Monday 13 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": "2027-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-13", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Monday 13 September. Trayodaśī runs from 22:13 on Sun 12 Sep to 00:40 on Tue 14 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-09-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12294, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-09-14T00:40:07+05:30", "utc": "2027-09-13T19:10:07Z", "ms": 1820862607255.882 }, "end": { "local": "2027-09-15T02:48:35+05:30", "utc": "2027-09-14T21:18:35Z", "ms": 1820956715376.8367 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2027-09-14T00:40:07+05:30", "utc": "2027-09-13T19:10:07Z", "ms": 1820862607255.882 }, "end": { "local": "2027-09-15T02:48:35+05:30", "utc": "2027-09-14T21:18:35Z", "ms": 1820956715376.8367 } }, "kaala": "udaya-3", "days": [ { "local_date": "2027-09-14", "window": { "start": { "local": "2027-09-14T06:13:11+05:30", "utc": "2027-09-14T00:43:11Z", "ms": 1820882591175.4495 }, "end": { "local": "2027-09-14T08:40:53+05:30", "utc": "2027-09-14T03:10:53Z", "ms": 1820891453484.3887 } }, "covered_min": 148, "window_min": 148, "qualifies": true }, { "local_date": "2027-09-15", "window": { "start": { "local": "2027-09-15T06:13:29+05:30", "utc": "2027-09-15T00:43:29Z", "ms": 1820969009400.8723 }, "end": { "local": "2027-09-15T08:40:56+05:30", "utc": "2027-09-15T03:10:56Z", "ms": 1820977855837.9998 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:40 on Tue 14 Sep to 02:49 on Wed 15 Sep.", "fact": "2027-09-13T19:10:07Z → 2027-09-14T21:18:35Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:13–08:41 on the 14th, 06:13–08:41 on the 15th.", "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 148 of 148 minutes on the 14th and 0 of 147 on the 15th.", "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 12294 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Ujjain, 2027: Tuesday 14 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": "2027-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-14", "confidence": "determinate" } ], "quote": "In Ujjain, Ananta Caturdaśī 2027 falls on Tuesday 14 September. Caturdaśī runs from 00:40 on Tue 14 Sep to 02:49 on Wed 15 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-09-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38901, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-09-19T07:09:34+05:30", "utc": "2027-09-19T01:39:34Z", "ms": 1821317973830.8132 }, "end": { "local": "2027-09-20T07:09:02+05:30", "utc": "2027-09-20T01:39:02Z", "ms": 1821404342035.9155 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-09-19T07:09:34+05:30", "utc": "2027-09-19T01:39:34Z", "ms": 1821317973830.8132 }, "end": { "local": "2027-09-20T07:09:02+05:30", "utc": "2027-09-20T01:39:02Z", "ms": 1821404342035.9155 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-09-18", "window": { "start": { "local": "2027-09-18T19:42:16+05:30", "utc": "2027-09-18T14:12:16Z", "ms": 1821276736075.7058 }, "end": { "local": "2027-09-18T19:42:16+05:30", "utc": "2027-09-18T14:12:16Z", "ms": 1821276736075.7058 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-09-19", "window": { "start": { "local": "2027-09-19T20:20:41+05:30", "utc": "2027-09-19T14:50:41Z", "ms": 1821365441137.4255 }, "end": { "local": "2027-09-19T20:20:41+05:30", "utc": "2027-09-19T14:50:41Z", "ms": 1821365441137.4255 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:10 on Sun 19 Sep to 07:09 on Mon 20 Sep.", "fact": "2027-09-19T01:39:34Z → 2027-09-20T01:39:02Z" }, { "step": "kaala", "text": "Moonrise is at 19:42 on the 18th and 20:21 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.", "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 38901 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Sunday 19 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": "2027-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-19", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Sunday 19 September. Caturthī runs from 07:10 on Sun 19 Sep to 07:09 on Mon 20 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-09-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28713, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2027-09-21T06:43:15+05:30", "utc": "2027-09-21T01:13:15Z", "ms": 1821489194621.2039 }, "end": { "local": "2027-09-22T05:52:34+05:30", "utc": "2027-09-22T00:22:34Z", "ms": 1821572554015.4678 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-09-21T06:43:15+05:30", "utc": "2027-09-21T01:13:15Z", "ms": 1821489194621.2039 }, "end": { "local": "2027-09-22T05:52:34+05:30", "utc": "2027-09-22T00:22:34Z", "ms": 1821572554015.4678 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-09-20", "window": { "start": { "local": "2027-09-20T21:04:14+05:30", "utc": "2027-09-20T15:34:14Z", "ms": 1821454454342.2468 }, "end": { "local": "2027-09-20T21:04:14+05:30", "utc": "2027-09-20T15:34:14Z", "ms": 1821454454342.2468 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-09-21", "window": { "start": { "local": "2027-09-21T21:54:01+05:30", "utc": "2027-09-21T16:24:01Z", "ms": 1821543840762.376 }, "end": { "local": "2027-09-21T21:54:01+05:30", "utc": "2027-09-21T16:24:01Z", "ms": 1821543840762.376 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:43 on Tue 21 Sep to 05:53 on Wed 22 Sep.", "fact": "2027-09-21T01:13:15Z → 2027-09-22T00:22:34Z" }, { "step": "kaala", "text": "Moonrise is at 21:04 on the 20th and 21:54 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28713 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Ujjain, 2027: Tuesday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-21", "confidence": "determinate" } ], "quote": "In Ujjain, Candra Ṣaṣṭhī 2027 falls on Tuesday 21 September. Ṣaṣṭhī runs from 06:43 on Tue 21 Sep to 05:53 on Wed 22 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25202, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2027-09-23T04:37:15+05:30", "utc": "2027-09-22T23:07:15Z", "ms": 1821654435017.0596 }, "end": { "local": "2027-09-24T02:57:44+05:30", "utc": "2027-09-23T21:27:44Z", "ms": 1821734863925.9429 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-09-23T04:37:15+05:30", "utc": "2027-09-22T23:07:15Z", "ms": 1821654435017.0596 }, "end": { "local": "2027-09-24T02:57:44+05:30", "utc": "2027-09-23T21:27:44Z", "ms": 1821734863925.9429 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-09-22", "window": { "start": { "local": "2027-09-22T18:23:33+05:30", "utc": "2027-09-22T12:53:33Z", "ms": 1821617612618.289 }, "end": { "local": "2027-09-22T19:58:32+05:30", "utc": "2027-09-22T14:28:32Z", "ms": 1821623311873.6794 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2027-09-23", "window": { "start": { "local": "2027-09-23T18:22:32+05:30", "utc": "2027-09-23T12:52:32Z", "ms": 1821703951526.2886 }, "end": { "local": "2027-09-23T19:57:41+05:30", "utc": "2027-09-23T14:27:41Z", "ms": 1821709661454.1016 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:37 on Thu 23 Sep to 02:58 on Fri 24 Sep.", "fact": "2027-09-22T23:07:15Z → 2027-09-23T21:27:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:59 on the 22nd, 18:23–19:58 on the 23rd.", "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 95 minutes on the 22nd and 95 of 95 on the 23rd.", "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 25202 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Ujjain, 2027: Thursday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-23", "confidence": "determinate" } ], "quote": "In Ujjain, Jitāṣṭamī (Jitiya) 2027 falls on Thursday 23 September. Aṣṭamī runs from 04:37 on Thu 23 Sep to 02:58 on Fri 24 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11127, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2027-09-23T04:37:15+05:30", "utc": "2027-09-22T23:07:15Z", "ms": 1821654435017.0596 }, "end": { "local": "2027-09-24T02:57:44+05:30", "utc": "2027-09-23T21:27:44Z", "ms": 1821734863925.9429 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-09-23T04:37:15+05:30", "utc": "2027-09-22T23:07:15Z", "ms": 1821654435017.0596 }, "end": { "local": "2027-09-24T02:57:44+05:30", "utc": "2027-09-23T21:27:44Z", "ms": 1821734863925.9429 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-09-22", "window": { "start": { "local": "2027-09-22T22:50:20+05:30", "utc": "2027-09-22T17:20:20Z", "ms": 1821633620057.7202 }, "end": { "local": "2027-09-22T22:50:20+05:30", "utc": "2027-09-22T17:20:20Z", "ms": 1821633620057.7202 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-09-23", "window": { "start": { "local": "2027-09-23T23:52:17+05:30", "utc": "2027-09-23T18:22:17Z", "ms": 1821723737287.4053 }, "end": { "local": "2027-09-23T23:52:17+05:30", "utc": "2027-09-23T18:22:17Z", "ms": 1821723737287.4053 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:37 on Thu 23 Sep to 02:58 on Fri 24 Sep.", "fact": "2027-09-22T23:07:15Z → 2027-09-23T21:27:44Z" }, { "step": "kaala", "text": "Moonrise is at 22:50 on the 22nd and 23:52 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11127 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Ujjain, 2027: Thursday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-23", "confidence": "determinate" } ], "quote": "In Ujjain, Mahālakṣmī Vrata Samāpana 2027 falls on Thursday 23 September. Aṣṭamī runs from 04:37 on Thu 23 Sep to 02:58 on Fri 24 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-09-26", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27935, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-09-25T22:31:19+05:30", "utc": "2027-09-25T17:01:19Z", "ms": 1821891679495.6353 }, "end": { "local": "2027-09-26T19:49:55+05:30", "utc": "2027-09-26T14:19:55Z", "ms": 1821968395077.4197 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-09-25T22:31:19+05:30", "utc": "2027-09-25T17:01:19Z", "ms": 1821891679495.6353 }, "end": { "local": "2027-09-26T19:49:55+05:30", "utc": "2027-09-26T14:19:55Z", "ms": 1821968395077.4197 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-09-26", "window": { "start": { "local": "2027-09-26T06:16:54+05:30", "utc": "2027-09-26T00:46:54Z", "ms": 1821919614396.2864 }, "end": { "local": "2027-09-26T06:16:54+05:30", "utc": "2027-09-26T00:46:54Z", "ms": 1821919614396.2864 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-09-27", "window": { "start": { "local": "2027-09-27T06:17:14+05:30", "utc": "2027-09-27T00:47:14Z", "ms": 1822006033882.5112 }, "end": { "local": "2027-09-27T06:17:14+05:30", "utc": "2027-09-27T00:47:14Z", "ms": 1822006033882.5112 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:31 on Sat 25 Sep to 19:50 on Sun 26 Sep.", "fact": "2027-09-25T17:01:19Z → 2027-09-26T14:19:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 26th and 06:17 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27935 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Ujjain, 2027: Sunday 26 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": "2027-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-26", "confidence": "determinate" } ], "quote": "In Ujjain, Indirā Ekādaśī 2027 falls on Sunday 26 September. Ekādaśī runs from 22:31 on Sat 25 Sep to 19:50 on Sun 26 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-09-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-09-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4965, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-09-27T16:55:44+05:30", "utc": "2027-09-27T11:25:44Z", "ms": 1822044343503.7634 }, "end": { "local": "2027-09-28T13:55:05+05:30", "utc": "2027-09-28T08:25:05Z", "ms": 1822119905288.6128 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-09-27T16:55:44+05:30", "utc": "2027-09-27T11:25:44Z", "ms": 1822044343503.7634 }, "end": { "local": "2027-09-28T13:55:05+05:30", "utc": "2027-09-28T08:25:05Z", "ms": 1822119905288.6128 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-09-27", "window": { "start": { "local": "2027-09-27T18:18:29+05:30", "utc": "2027-09-27T12:48:29Z", "ms": 1822049308724.9531 }, "end": { "local": "2027-09-27T19:54:21+05:30", "utc": "2027-09-27T14:24:21Z", "ms": 1822055061371.103 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2027-09-28", "window": { "start": { "local": "2027-09-28T18:17:29+05:30", "utc": "2027-09-28T12:47:29Z", "ms": 1822135648542.8628 }, "end": { "local": "2027-09-28T19:53:32+05:30", "utc": "2027-09-28T14:23:32Z", "ms": 1822141411866.7773 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:56 on Mon 27 Sep to 13:55 on Tue 28 Sep.", "fact": "2027-09-27T11:25:44Z → 2027-09-28T08:25:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:54 on the 27th, 18:17–19:54 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 96 of 96 minutes on the 27th and 0 of 96 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 4965 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Monday 27 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": "2027-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-27", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Monday 27 September. Trayodaśī runs from 16:56 on Mon 27 Sep to 13:55 on Tue 28 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-09-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-09-28", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35916, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-09-28T13:55:05+05:30", "utc": "2027-09-28T08:25:05Z", "ms": 1822119905288.6128 }, "end": { "local": "2027-09-29T10:55:39+05:30", "utc": "2027-09-29T05:25:39Z", "ms": 1822195539107.3816 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-09-28T13:55:05+05:30", "utc": "2027-09-28T08:25:05Z", "ms": 1822119905288.6128 }, "end": { "local": "2027-09-29T10:55:39+05:30", "utc": "2027-09-29T05:25:39Z", "ms": 1822195539107.3816 } }, "kaala": "nishita", "days": [ { "local_date": "2027-09-28", "window": { "start": { "local": "2027-09-28T23:53:41+05:30", "utc": "2027-09-28T18:23:41Z", "ms": 1822155821007.542 }, "end": { "local": "2027-09-29T00:41:41+05:30", "utc": "2027-09-28T19:11:41Z", "ms": 1822158701007.542 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-09-29", "window": { "start": { "local": "2027-09-29T23:53:21+05:30", "utc": "2027-09-29T18:23:21Z", "ms": 1822242201105.5186 }, "end": { "local": "2027-09-30T00:41:21+05:30", "utc": "2027-09-29T19:11:21Z", "ms": 1822245081105.5186 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:55 on Tue 28 Sep to 10:56 on Wed 29 Sep.", "fact": "2027-09-28T08:25:05Z → 2027-09-29T05:25:39Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 28th, 23:53–00:41 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35916 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Tuesday 28 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": "2027-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-28", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Tuesday 28 September. Caturdaśī runs from 13:55 on Tue 28 Sep to 10:56 on Wed 29 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9203, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2027-09-29T10:55:39+05:30", "utc": "2027-09-29T05:25:39Z", "ms": 1822195539107.3816 }, "end": { "local": "2027-09-30T08:06:05+05:30", "utc": "2027-09-30T02:36:05Z", "ms": 1822271764998.832 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-09-29T10:55:39+05:30", "utc": "2027-09-29T05:25:39Z", "ms": 1822195539107.3816 }, "end": { "local": "2027-09-30T08:06:05+05:30", "utc": "2027-09-30T02:36:05Z", "ms": 1822271764998.832 } }, "kaala": "aparahna", "days": [ { "local_date": "2027-09-29", "window": { "start": { "local": "2027-09-29T13:29:03+05:30", "utc": "2027-09-29T07:59:03Z", "ms": 1822204742558.2095 }, "end": { "local": "2027-09-29T15:52:46+05:30", "utc": "2027-09-29T10:22:46Z", "ms": 1822213365586.8723 } }, "covered_min": 144, "window_min": 144, "qualifies": true }, { "local_date": "2027-09-30", "window": { "start": { "local": "2027-09-30T13:28:35+05:30", "utc": "2027-09-30T07:58:35Z", "ms": 1822291114817.5332 }, "end": { "local": "2027-09-30T15:52:02+05:30", "utc": "2027-09-30T10:22:02Z", "ms": 1822299721891.5437 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 10:56 on Wed 29 Sep to 08:06 on Thu 30 Sep.", "fact": "2027-09-29T05:25:39Z → 2027-09-30T02:36:05Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:29–15:53 on the 29th, 13:29–15:52 on the 30th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 144 of 144 minutes on the 29th and 0 of 143 on the 30th.", "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 9203 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Ujjain, 2027: Wednesday 29 September.", "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": "2027-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-29", "confidence": "determinate" } ], "quote": "In Ujjain, Mahālaya Amāvāsyā (Mahalaya) 2027 falls on Wednesday 29 September. Amāvasyā runs from 10:56 on Wed 29 Sep to 08:06 on Thu 30 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13606, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2027-09-30T08:06:05+05:30", "utc": "2027-09-30T02:36:05Z", "ms": 1822271764998.832 }, "end": { "local": "2027-10-01T05:35:40+05:30", "utc": "2027-10-01T00:05:40Z", "ms": 1822349140293.546 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-09-30T08:06:05+05:30", "utc": "2027-09-30T02:36:05Z", "ms": 1822271764998.832 }, "end": { "local": "2027-10-01T05:35:40+05:30", "utc": "2027-10-01T00:05:40Z", "ms": 1822349140293.546 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-09-30", "window": { "start": { "local": "2027-09-30T11:52:51+05:30", "utc": "2027-09-30T06:22:51Z", "ms": 1822285371280.528 }, "end": { "local": "2027-09-30T12:40:51+05:30", "utc": "2027-09-30T07:10:51Z", "ms": 1822288251280.528 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-10-01", "window": { "start": { "local": "2027-10-01T11:52:32+05:30", "utc": "2027-10-01T06:22:32Z", "ms": 1822371751782.7842 }, "end": { "local": "2027-10-01T12:40:32+05:30", "utc": "2027-10-01T07:10:32Z", "ms": 1822374631782.7842 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:06 on Thu 30 Sep to 05:36 on Fri 1 Oct.", "fact": "2027-09-30T02:36:05Z → 2027-10-01T00:05:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 30th, 11:53–12:41 on the 1st.", "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 30th and 0 of 48 on the 1st.", "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 13606 s" }, { "step": "ruling", "text": "Navarātrārambha, Ujjain, 2027: Thursday 30 September.", "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": "2027-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-09-30", "confidence": "determinate" } ], "quote": "In Ujjain, Navarātrārambha (Navratri) 2027 falls on Thursday 30 September. Pratipadā runs from 08:06 on Thu 30 Sep to 05:36 on Fri 1 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-10-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34968, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-10-03T02:09:05+05:30", "utc": "2027-10-02T20:39:05Z", "ms": 1822509545294.8716 }, "end": { "local": "2027-10-04T01:28:39+05:30", "utc": "2027-10-03T19:58:39Z", "ms": 1822593518524.9768 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-10-03T02:09:05+05:30", "utc": "2027-10-02T20:39:05Z", "ms": 1822509545294.8716 }, "end": { "local": "2027-10-04T01:28:39+05:30", "utc": "2027-10-03T19:58:39Z", "ms": 1822593518524.9768 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-10-03", "window": { "start": { "local": "2027-10-03T11:51:54+05:30", "utc": "2027-10-03T06:21:54Z", "ms": 1822544513648.6738 }, "end": { "local": "2027-10-03T12:39:54+05:30", "utc": "2027-10-03T07:09:54Z", "ms": 1822547393648.6738 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-10-04", "window": { "start": { "local": "2027-10-04T11:51:35+05:30", "utc": "2027-10-04T06:21:35Z", "ms": 1822630895045.8794 }, "end": { "local": "2027-10-04T12:39:35+05:30", "utc": "2027-10-04T07:09:35Z", "ms": 1822633775045.8794 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:09 on Sun 3 Oct to 01:29 on Mon 4 Oct.", "fact": "2027-10-02T20:39:05Z → 2027-10-03T19:58:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 3rd, 11:52–12:40 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34968 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Sunday 3 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": "2027-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-03", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Sunday 3 October. Caturthī runs from 02:09 on Sun 3 Oct to 01:29 on Mon 4 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7621, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2027-10-06T02:33:15+05:30", "utc": "2027-10-05T21:03:15Z", "ms": 1822770195234.2002 }, "end": { "local": "2027-10-07T04:13:40+05:30", "utc": "2027-10-06T22:43:40Z", "ms": 1822862620271.2126 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-10-06T02:33:15+05:30", "utc": "2027-10-05T21:03:15Z", "ms": 1822770195234.2002 }, "end": { "local": "2027-10-07T04:13:40+05:30", "utc": "2027-10-06T22:43:40Z", "ms": 1822862620271.2126 } }, "kaala": "udaya-1", "days": [ { "local_date": "2027-10-06", "window": { "start": { "local": "2027-10-06T06:20:20+05:30", "utc": "2027-10-06T00:50:20Z", "ms": 1822783819531.7627 }, "end": { "local": "2027-10-06T07:07:37+05:30", "utc": "2027-10-06T01:37:37Z", "ms": 1822786656775.2034 } }, "covered_min": 47, "window_min": 47, "qualifies": true }, { "local_date": "2027-10-07", "window": { "start": { "local": "2027-10-07T06:20:41+05:30", "utc": "2027-10-07T00:50:41Z", "ms": 1822870241485.006 }, "end": { "local": "2027-10-07T07:07:53+05:30", "utc": "2027-10-07T01:37:53Z", "ms": 1822873073461.586 } }, "covered_min": 0, "window_min": 47, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:33 on Wed 6 Oct to 04:14 on Thu 7 Oct.", "fact": "2027-10-05T21:03:15Z → 2027-10-06T22:43:40Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:20–07:08 on the 6th, 06:21–07:08 on the 7th.", "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 47 of 47 minutes on the 6th and 0 of 47 on the 7th.", "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 7621 s" }, { "step": "ruling", "text": "Durgā Saptamī, Ujjain, 2027: Wednesday 6 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": "2027-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-06", "confidence": "determinate" } ], "quote": "In Ujjain, Durgā Saptamī 2027 falls on Wednesday 6 October. Saptamī runs from 02:33 on Wed 6 Oct to 04:14 on Thu 7 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19342, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2027-10-07T04:13:40+05:30", "utc": "2027-10-06T22:43:40Z", "ms": 1822862620271.2126 }, "end": { "local": "2027-10-08T06:28:02+05:30", "utc": "2027-10-08T00:58:02Z", "ms": 1822957081966.2605 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-10-07T04:13:40+05:30", "utc": "2027-10-06T22:43:40Z", "ms": 1822862620271.2126 }, "end": { "local": "2027-10-08T06:28:02+05:30", "utc": "2027-10-08T00:58:02Z", "ms": 1822957081966.2605 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-10-07", "window": { "start": { "local": "2027-10-07T11:50:41+05:30", "utc": "2027-10-07T06:20:41Z", "ms": 1822890041309.3555 }, "end": { "local": "2027-10-07T12:38:41+05:30", "utc": "2027-10-07T07:08:41Z", "ms": 1822892921309.3555 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-10-08", "window": { "start": { "local": "2027-10-08T11:50:24+05:30", "utc": "2027-10-08T06:20:24Z", "ms": 1822976424150.7734 }, "end": { "local": "2027-10-08T12:38:24+05:30", "utc": "2027-10-08T07:08:24Z", "ms": 1822979304150.7734 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:14 on Thu 7 Oct to 06:28 on Fri 8 Oct.", "fact": "2027-10-06T22:43:40Z → 2027-10-08T00:58:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 7th, 11:50–12:38 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19342 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Ujjain, 2027: Thursday 7 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": "2027-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-07", "confidence": "determinate" } ], "quote": "In Ujjain, Mahāṣṭamī (Durga Ashtami) 2027 falls on Thursday 7 October. Aṣṭamī runs from 04:14 on Thu 7 Oct to 06:28 on Fri 8 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10060, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2027-10-08T06:28:02+05:30", "utc": "2027-10-08T00:58:02Z", "ms": 1822957081966.2605 }, "end": { "local": "2027-10-09T09:02:27+05:30", "utc": "2027-10-09T03:32:27Z", "ms": 1823052746963.1042 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-10-08T06:28:02+05:30", "utc": "2027-10-08T00:58:02Z", "ms": 1822957081966.2605 }, "end": { "local": "2027-10-09T09:02:27+05:30", "utc": "2027-10-09T03:32:27Z", "ms": 1823052746963.1042 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-10-08", "window": { "start": { "local": "2027-10-08T11:50:24+05:30", "utc": "2027-10-08T06:20:24Z", "ms": 1822976424150.7734 }, "end": { "local": "2027-10-08T12:38:24+05:30", "utc": "2027-10-08T07:08:24Z", "ms": 1822979304150.7734 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-10-09", "window": { "start": { "local": "2027-10-09T11:50:07+05:30", "utc": "2027-10-09T06:20:07Z", "ms": 1823062807401.5376 }, "end": { "local": "2027-10-09T12:38:07+05:30", "utc": "2027-10-09T07:08:07Z", "ms": 1823065687401.5376 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 06:28 on Fri 8 Oct to 09:02 on Sat 9 Oct.", "fact": "2027-10-08T00:58:02Z → 2027-10-09T03:32:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 8th, 11:50–12:38 on the 9th.", "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 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10060 s" }, { "step": "ruling", "text": "Mahānavamī, Ujjain, 2027: Friday 8 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": "2027-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-08", "confidence": "determinate" } ], "quote": "In Ujjain, Mahānavamī 2027 falls on Friday 8 October. Navamī runs from 06:28 on Fri 8 Oct to 09:02 on Sat 9 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-09", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 14212, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2027-10-09T09:02:27+05:30", "utc": "2027-10-09T03:32:27Z", "ms": 1823052746963.1042 }, "end": { "local": "2027-10-10T11:41:09+05:30", "utc": "2027-10-10T06:11:09Z", "ms": 1823148668692.9575 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2027-10-09T10:18:18+05:30", "utc": "2027-10-09T04:48:18Z", "ms": 1823057297852.803 }, "end": { "local": "2027-10-10T11:41:09+05:30", "utc": "2027-10-10T06:11:09Z", "ms": 1823148668692.9575 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2027-10-09T10:18:18+05:30", "utc": "2027-10-09T04:48:18Z", "ms": 1823057297852.803 }, "end": { "local": "2027-10-10T13:25:41+05:30", "utc": "2027-10-10T07:55:41Z", "ms": 1823154941483.1135 } } }, "kaala": "daytime", "days": [ { "local_date": "2027-10-09", "window": { "start": { "local": "2027-10-09T06:21:26+05:30", "utc": "2027-10-09T00:51:26Z", "ms": 1823043086324.5925 }, "end": { "local": "2027-10-09T18:06:48+05:30", "utc": "2027-10-09T12:36:48Z", "ms": 1823085408478.4827 } }, "covered_min": 469, "window_min": 705, "qualifies": true }, { "local_date": "2027-10-10", "window": { "start": { "local": "2027-10-10T06:21:49+05:30", "utc": "2027-10-10T00:51:49Z", "ms": 1823129509236.7761 }, "end": { "local": "2027-10-10T18:05:53+05:30", "utc": "2027-10-10T12:35:53Z", "ms": 1823171752926.5432 } }, "covered_min": 319, "window_min": 704, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Daśamī runs from 09:02 on Sat 9 Oct to 11:41 on Sun 10 Oct, and Śravaṇa from 10:18 on Sat 9 Oct to 13:26 on Sun 10 Oct. They are together from 10:18 on Sat 9 Oct to 11:41 on Sun 10 Oct.", "fact": "2027-10-09T04:48:18Z → 2027-10-10T06:11:09Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:21–18:07 on the 9th, 06:22–18:06 on the 10th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 469 of 705 minutes on the 9th and 319 of 704 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "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 14212 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Ujjain, 2027: Saturday 9 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2027-10-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-09", "confidence": "boundary" } ], "quote": "In Ujjain, Vijayā Daśamī (Dussehra) 2027 falls on Saturday 9 October. Daśamī runs from 09:02 on Sat 9 Oct to 11:41 on Sun 10 Oct and is with Śravaṇa in the day time that day, for 469 minutes. They are together in the day time on the next day too, for 319 minutes; the rule does not say which to take, and the day they share longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-10-11", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19159, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-10-10T11:41:09+05:30", "utc": "2027-10-10T06:11:09Z", "ms": 1823148668692.9575 }, "end": { "local": "2027-10-11T14:09:05+05:30", "utc": "2027-10-11T08:39:05Z", "ms": 1823243945423.9722 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-10-10T11:41:09+05:30", "utc": "2027-10-10T06:11:09Z", "ms": 1823148668692.9575 }, "end": { "local": "2027-10-11T14:09:05+05:30", "utc": "2027-10-11T08:39:05Z", "ms": 1823243945423.9722 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-10-10", "window": { "start": { "local": "2027-10-10T06:21:49+05:30", "utc": "2027-10-10T00:51:49Z", "ms": 1823129509236.7761 }, "end": { "local": "2027-10-10T06:21:49+05:30", "utc": "2027-10-10T00:51:49Z", "ms": 1823129509236.7761 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-10-11", "window": { "start": { "local": "2027-10-11T06:22:12+05:30", "utc": "2027-10-11T00:52:12Z", "ms": 1823215932494.8508 }, "end": { "local": "2027-10-11T06:22:12+05:30", "utc": "2027-10-11T00:52:12Z", "ms": 1823215932494.8508 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:41 on Sun 10 Oct to 14:09 on Mon 11 Oct.", "fact": "2027-10-10T06:11:09Z → 2027-10-11T08:39:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 10th and 06:22 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 19159 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Ujjain, 2027: Monday 11 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": "2027-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-11", "confidence": "determinate" } ], "quote": "In Ujjain, Pāśāṅkuśā Ekādaśī 2027 falls on Monday 11 October. Ekādaśī runs from 11:41 on Sun 10 Oct to 14:09 on Mon 11 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-10-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-10-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 853, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-10-12T16:14:16+05:30", "utc": "2027-10-12T10:44:16Z", "ms": 1823337856210.4436 }, "end": { "local": "2027-10-13T17:48:56+05:30", "utc": "2027-10-13T12:18:56Z", "ms": 1823429936353.8474 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2027-10-12T16:14:16+05:30", "utc": "2027-10-12T10:44:16Z", "ms": 1823337856210.4436 }, "end": { "local": "2027-10-13T17:48:56+05:30", "utc": "2027-10-13T12:18:56Z", "ms": 1823429936353.8474 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-10-12", "window": { "start": { "local": "2027-10-12T18:04:04+05:30", "utc": "2027-10-12T12:34:04Z", "ms": 1823344443510.3896 }, "end": { "local": "2027-10-12T19:42:35+05:30", "utc": "2027-10-12T14:12:35Z", "ms": 1823350355056.045 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2027-10-13", "window": { "start": { "local": "2027-10-13T18:03:10+05:30", "utc": "2027-10-13T12:33:10Z", "ms": 1823430789701.647 }, "end": { "local": "2027-10-13T19:41:52+05:30", "utc": "2027-10-13T14:11:52Z", "ms": 1823436711672.1235 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:14 on Tue 12 Oct to 17:49 on Wed 13 Oct.", "fact": "2027-10-12T10:44:16Z → 2027-10-13T12:18:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:43 on the 12th, 18:03–19:42 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 99 of 99 minutes on the 12th and 0 of 99 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 853 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Tuesday 12 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": "2027-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-12", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Tuesday 12 October. Trayodaśī runs from 16:14 on Tue 12 Oct to 17:49 on Wed 13 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7143, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-10-18T17:52:04+05:30", "utc": "2027-10-18T12:22:04Z", "ms": 1823862124172.0017 }, "end": { "local": "2027-10-19T16:42:42+05:30", "utc": "2027-10-19T11:12:42Z", "ms": 1823944362083.887 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-18T17:52:04+05:30", "utc": "2027-10-18T12:22:04Z", "ms": 1823862124172.0017 }, "end": { "local": "2027-10-19T16:42:42+05:30", "utc": "2027-10-19T11:12:42Z", "ms": 1823944362083.887 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-10-18", "window": { "start": { "local": "2027-10-18T19:51:08+05:30", "utc": "2027-10-18T14:21:08Z", "ms": 1823869267585.2266 }, "end": { "local": "2027-10-18T19:51:08+05:30", "utc": "2027-10-18T14:21:08Z", "ms": 1823869267585.2266 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-10-19", "window": { "start": { "local": "2027-10-19T20:46:02+05:30", "utc": "2027-10-19T15:16:02Z", "ms": 1823958962484.84 }, "end": { "local": "2027-10-19T20:46:02+05:30", "utc": "2027-10-19T15:16:02Z", "ms": 1823958962484.84 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:52 on Mon 18 Oct to 16:43 on Tue 19 Oct.", "fact": "2027-10-18T12:22:04Z → 2027-10-19T11:12:42Z" }, { "step": "kaala", "text": "Moonrise is at 19:51 on the 18th and 20:46 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "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 7143 s" }, { "step": "ruling", "text": "Karaka Caturthī, Ujjain, 2027: Monday 18 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": "2027-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-18", "confidence": "determinate" } ], "quote": "In Ujjain, Karaka Caturthī (Karwa Chauth) 2027 falls on Monday 18 October. Caturthī runs from 17:52 on Mon 18 Oct to 16:43 on Tue 19 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-10-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7143, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-10-18T17:52:04+05:30", "utc": "2027-10-18T12:22:04Z", "ms": 1823862124172.0017 }, "end": { "local": "2027-10-19T16:42:42+05:30", "utc": "2027-10-19T11:12:42Z", "ms": 1823944362083.887 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-18T17:52:04+05:30", "utc": "2027-10-18T12:22:04Z", "ms": 1823862124172.0017 }, "end": { "local": "2027-10-19T16:42:42+05:30", "utc": "2027-10-19T11:12:42Z", "ms": 1823944362083.887 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-10-18", "window": { "start": { "local": "2027-10-18T19:51:08+05:30", "utc": "2027-10-18T14:21:08Z", "ms": 1823869267585.2266 }, "end": { "local": "2027-10-18T19:51:08+05:30", "utc": "2027-10-18T14:21:08Z", "ms": 1823869267585.2266 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-10-19", "window": { "start": { "local": "2027-10-19T20:46:02+05:30", "utc": "2027-10-19T15:16:02Z", "ms": 1823958962484.84 }, "end": { "local": "2027-10-19T20:46:02+05:30", "utc": "2027-10-19T15:16:02Z", "ms": 1823958962484.84 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:52 on Mon 18 Oct to 16:43 on Tue 19 Oct.", "fact": "2027-10-18T12:22:04Z → 2027-10-19T11:12:42Z" }, { "step": "kaala", "text": "Moonrise is at 19:51 on the 18th and 20:46 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "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 7143 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Monday 18 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": "2027-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-18", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Monday 18 October. Caturthī runs from 17:52 on Mon 18 Oct to 16:43 on Tue 19 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-10-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36253, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2027-10-22T11:56:19+05:30", "utc": "2027-10-22T06:26:19Z", "ms": 1824186378527.656 }, "end": { "local": "2027-10-23T09:59:37+05:30", "utc": "2027-10-23T04:29:37Z", "ms": 1824265777390.7546 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-22T11:56:19+05:30", "utc": "2027-10-22T06:26:19Z", "ms": 1824186378527.656 }, "end": { "local": "2027-10-23T09:59:37+05:30", "utc": "2027-10-23T04:29:37Z", "ms": 1824265777390.7546 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-10-21", "window": { "start": { "local": "2027-10-21T22:50:25+05:30", "utc": "2027-10-21T17:20:25Z", "ms": 1824139224925.6924 }, "end": { "local": "2027-10-21T22:50:25+05:30", "utc": "2027-10-21T17:20:25Z", "ms": 1824139224925.6924 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-10-22", "window": { "start": { "local": "2027-10-22T23:55:24+05:30", "utc": "2027-10-22T18:25:24Z", "ms": 1824229524336.9348 }, "end": { "local": "2027-10-22T23:55:24+05:30", "utc": "2027-10-22T18:25:24Z", "ms": 1824229524336.9348 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:56 on Fri 22 Oct to 10:00 on Sat 23 Oct.", "fact": "2027-10-22T06:26:19Z → 2027-10-23T04:29:37Z" }, { "step": "kaala", "text": "Moonrise is at 22:50 on the 21st and 23:55 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36253 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Ujjain, 2027: Friday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-22", "confidence": "determinate" } ], "quote": "In Ujjain, Ahoyī Aṣṭamī (Ahoi Ashtami) 2027 falls on Friday 22 October. Aṣṭamī runs from 11:56 on Fri 22 Oct to 10:00 on Sat 23 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-10-25", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2863, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-10-25T05:40:39+05:30", "utc": "2027-10-25T00:10:39Z", "ms": 1824423039146.0603 }, "end": { "local": "2027-10-26T03:22:39+05:30", "utc": "2027-10-25T21:52:39Z", "ms": 1824501158651.942 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-25T05:40:39+05:30", "utc": "2027-10-25T00:10:39Z", "ms": 1824423039146.0603 }, "end": { "local": "2027-10-26T03:22:39+05:30", "utc": "2027-10-25T21:52:39Z", "ms": 1824501158651.942 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-10-25", "window": { "start": { "local": "2027-10-25T06:28:22+05:30", "utc": "2027-10-25T00:58:22Z", "ms": 1824425901865.0054 }, "end": { "local": "2027-10-25T06:28:22+05:30", "utc": "2027-10-25T00:58:22Z", "ms": 1824425901865.0054 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-10-26", "window": { "start": { "local": "2027-10-26T06:28:52+05:30", "utc": "2027-10-26T00:58:52Z", "ms": 1824512331804.5295 }, "end": { "local": "2027-10-26T06:28:52+05:30", "utc": "2027-10-26T00:58:52Z", "ms": 1824512331804.5295 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:41 on Mon 25 Oct to 03:23 on Tue 26 Oct.", "fact": "2027-10-25T00:10:39Z → 2027-10-25T21:52:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:28 on the 25th and 06:29 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 2863 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Ujjain, 2027: Monday 25 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": "2027-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-25", "confidence": "determinate" } ], "quote": "In Ujjain, Ramā Ekādaśī 2027 falls on Monday 25 October. Ekādaśī runs from 05:41 on Mon 25 Oct to 03:23 on Tue 26 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-10-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19828, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2027-10-26T03:22:39+05:30", "utc": "2027-10-25T21:52:39Z", "ms": 1824501158651.942 }, "end": { "local": "2027-10-27T01:04:00+05:30", "utc": "2027-10-26T19:34:00Z", "ms": 1824579239969.9414 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-26T03:22:39+05:30", "utc": "2027-10-25T21:52:39Z", "ms": 1824501158651.942 }, "end": { "local": "2027-10-27T01:04:00+05:30", "utc": "2027-10-26T19:34:00Z", "ms": 1824579239969.9414 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-10-25", "window": { "start": { "local": "2027-10-25T17:53:22+05:30", "utc": "2027-10-25T12:23:22Z", "ms": 1824467001885.8289 }, "end": { "local": "2027-10-25T19:34:06+05:30", "utc": "2027-10-25T14:04:06Z", "ms": 1824473045874.989 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2027-10-26", "window": { "start": { "local": "2027-10-26T17:52:39+05:30", "utc": "2027-10-26T12:22:39Z", "ms": 1824553358572.216 }, "end": { "local": "2027-10-26T19:33:32+05:30", "utc": "2027-10-26T14:03:32Z", "ms": 1824559412395.3093 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:23 on Tue 26 Oct to 01:04 on Wed 27 Oct.", "fact": "2027-10-25T21:52:39Z → 2027-10-26T19:34:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:34 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": "Dvādaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 25th and 101 of 101 on the 26th.", "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 19828 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Ujjain, 2027: Tuesday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-26", "confidence": "determinate" } ], "quote": "In Ujjain, Govatsa Dvādaśī (Vasu Baras) 2027 falls on Tuesday 26 October. Dvādaśī runs from 03:23 on Tue 26 Oct to 01:04 on Wed 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11841, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-10-27T01:04:00+05:30", "utc": "2027-10-26T19:34:00Z", "ms": 1824579239969.9414 }, "end": { "local": "2027-10-27T22:50:21+05:30", "utc": "2027-10-27T17:20:21Z", "ms": 1824657620510.0176 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-27T01:04:00+05:30", "utc": "2027-10-26T19:34:00Z", "ms": 1824579239969.9414 }, "end": { "local": "2027-10-27T22:50:21+05:30", "utc": "2027-10-27T17:20:21Z", "ms": 1824657620510.0176 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-10-26", "window": { "start": { "local": "2027-10-26T17:52:39+05:30", "utc": "2027-10-26T12:22:39Z", "ms": 1824553358572.216 }, "end": { "local": "2027-10-26T19:33:32+05:30", "utc": "2027-10-26T14:03:32Z", "ms": 1824559412395.3093 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2027-10-27", "window": { "start": { "local": "2027-10-27T17:51:56+05:30", "utc": "2027-10-27T12:21:56Z", "ms": 1824639716248.943 }, "end": { "local": "2027-10-27T19:33:00+05:30", "utc": "2027-10-27T14:03:00Z", "ms": 1824645779840.4631 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:04 on Wed 27 Oct to 22:50 on Wed 27 Oct.", "fact": "2027-10-26T19:34:00Z → 2027-10-27T17:20:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:34 on the 26th, 17:52–19:33 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 101 minutes on the 26th and 101 of 101 on the 27th.", "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 11841 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Ujjain, 2027: Wednesday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-27", "confidence": "determinate" } ], "quote": "In Ujjain, Yama Dīpadāna 2027 falls on Wednesday 27 October. Trayodaśī runs from 01:04 on Wed 27 Oct to 22:50 on Wed 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/pradosha-vrata?on=2027-10-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11841, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-10-27T01:04:00+05:30", "utc": "2027-10-26T19:34:00Z", "ms": 1824579239969.9414 }, "end": { "local": "2027-10-27T22:50:21+05:30", "utc": "2027-10-27T17:20:21Z", "ms": 1824657620510.0176 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-27T01:04:00+05:30", "utc": "2027-10-26T19:34:00Z", "ms": 1824579239969.9414 }, "end": { "local": "2027-10-27T22:50:21+05:30", "utc": "2027-10-27T17:20:21Z", "ms": 1824657620510.0176 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-10-26", "window": { "start": { "local": "2027-10-26T17:52:39+05:30", "utc": "2027-10-26T12:22:39Z", "ms": 1824553358572.216 }, "end": { "local": "2027-10-26T19:33:32+05:30", "utc": "2027-10-26T14:03:32Z", "ms": 1824559412395.3093 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2027-10-27", "window": { "start": { "local": "2027-10-27T17:51:56+05:30", "utc": "2027-10-27T12:21:56Z", "ms": 1824639716248.943 }, "end": { "local": "2027-10-27T19:33:00+05:30", "utc": "2027-10-27T14:03:00Z", "ms": 1824645779840.4631 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:04 on Wed 27 Oct to 22:50 on Wed 27 Oct.", "fact": "2027-10-26T19:34:00Z → 2027-10-27T17:20:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:34 on the 26th, 17:52–19:33 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 101 minutes on the 26th and 101 of 101 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 11841 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Wednesday 27 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": "2027-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-27", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Wednesday 27 October. Trayodaśī runs from 01:04 on Wed 27 Oct to 22:50 on Wed 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-10-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3394, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-10-27T22:50:21+05:30", "utc": "2027-10-27T17:20:21Z", "ms": 1824657620510.0176 }, "end": { "local": "2027-10-28T20:48:36+05:30", "utc": "2027-10-28T15:18:36Z", "ms": 1824736715545.1682 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-27T22:50:21+05:30", "utc": "2027-10-27T17:20:21Z", "ms": 1824657620510.0176 }, "end": { "local": "2027-10-28T20:48:36+05:30", "utc": "2027-10-28T15:18:36Z", "ms": 1824736715545.1682 } }, "kaala": "nishita", "days": [ { "local_date": "2027-10-27", "window": { "start": { "local": "2027-10-27T23:46:55+05:30", "utc": "2027-10-27T18:16:55Z", "ms": 1824661014717.143 }, "end": { "local": "2027-10-28T00:34:55+05:30", "utc": "2027-10-27T19:04:55Z", "ms": 1824663894717.143 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-10-28", "window": { "start": { "local": "2027-10-28T23:46:50+05:30", "utc": "2027-10-28T18:16:50Z", "ms": 1824747409778.709 }, "end": { "local": "2027-10-29T00:34:50+05:30", "utc": "2027-10-28T19:04:50Z", "ms": 1824750289778.709 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:50 on Wed 27 Oct to 20:49 on Thu 28 Oct.", "fact": "2027-10-27T17:20:21Z → 2027-10-28T15:18:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 27th, 23:47–00:35 on the 28th.", "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 27th and 0 of 48 on the 28th.", "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 3394 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Wednesday 27 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": "2027-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-27", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Wednesday 27 October. Caturdaśī runs from 22:50 on Wed 27 Oct to 20:49 on Thu 28 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21509, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-10-27T22:50:21+05:30", "utc": "2027-10-27T17:20:21Z", "ms": 1824657620510.0176 }, "end": { "local": "2027-10-28T20:48:36+05:30", "utc": "2027-10-28T15:18:36Z", "ms": 1824736715545.1682 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-27T22:50:21+05:30", "utc": "2027-10-27T17:20:21Z", "ms": 1824657620510.0176 }, "end": { "local": "2027-10-28T20:48:36+05:30", "utc": "2027-10-28T15:18:36Z", "ms": 1824736715545.1682 } }, "kaala": "arunodaya", "days": [ { "local_date": "2027-10-28", "window": { "start": { "local": "2027-10-28T04:48:50+05:30", "utc": "2027-10-27T23:18:50Z", "ms": 1824679129593.823 }, "end": { "local": "2027-10-28T06:29:53+05:30", "utc": "2027-10-28T00:59:53Z", "ms": 1824685193185.343 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2027-10-29", "window": { "start": { "local": "2027-10-29T04:49:11+05:30", "utc": "2027-10-28T23:19:11Z", "ms": 1824765551329.3108 }, "end": { "local": "2027-10-29T06:30:25+05:30", "utc": "2027-10-29T01:00:25Z", "ms": 1824771624620.4387 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:50 on Wed 27 Oct to 20:49 on Thu 28 Oct.", "fact": "2027-10-27T17:20:21Z → 2027-10-28T15:18:36Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:49–06:30 on the 28th, 04:49–06:30 on the 29th.", "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 101 of 101 minutes on the 28th and 0 of 101 on the 29th.", "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 21509 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Ujjain, 2027: Thursday 28 October.", "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": "2027-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-28", "confidence": "determinate" } ], "quote": "In Ujjain, Naraka Caturdaśī (Choti Diwali) 2027 falls on Thursday 28 October. Caturdaśī runs from 22:50 on Wed 27 Oct to 20:49 on Thu 28 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10694, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2027-10-28T20:48:36+05:30", "utc": "2027-10-28T15:18:36Z", "ms": 1824736715545.1682 }, "end": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-28T20:48:36+05:30", "utc": "2027-10-28T15:18:36Z", "ms": 1824736715545.1682 }, "end": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 } }, "kaala": "nishita", "days": [ { "local_date": "2027-10-28", "window": { "start": { "local": "2027-10-28T23:46:50+05:30", "utc": "2027-10-28T18:16:50Z", "ms": 1824747409778.709 }, "end": { "local": "2027-10-29T00:34:50+05:30", "utc": "2027-10-28T19:04:50Z", "ms": 1824750289778.709 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-10-29", "window": { "start": { "local": "2027-10-29T23:46:46+05:30", "utc": "2027-10-29T18:16:46Z", "ms": 1824833805600.9575 }, "end": { "local": "2027-10-30T00:34:46+05:30", "utc": "2027-10-29T19:04:46Z", "ms": 1824836685600.9575 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 20:49 on Thu 28 Oct to 19:07 on Fri 29 Oct.", "fact": "2027-10-28T15:18:36Z → 2027-10-29T13:36:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 28th, 23:47–00:35 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10694 s" }, { "step": "ruling", "text": "Kālī Pūjā, Ujjain, 2027: Thursday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-28", "confidence": "determinate" } ], "quote": "In Ujjain, Kālī Pūjā 2027 falls on Thursday 28 October. Amāvasyā runs from 20:49 on Thu 28 Oct to 19:07 on Fri 29 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1523, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2027-10-28T20:48:36+05:30", "utc": "2027-10-28T15:18:36Z", "ms": 1824736715545.1682 }, "end": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-28T20:48:36+05:30", "utc": "2027-10-28T15:18:36Z", "ms": 1824736715545.1682 }, "end": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-10-28", "window": { "start": { "local": "2027-10-28T17:51:15+05:30", "utc": "2027-10-28T12:21:15Z", "ms": 1824726074936.979 }, "end": { "local": "2027-10-28T19:32:28+05:30", "utc": "2027-10-28T14:02:28Z", "ms": 1824732148228.107 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2027-10-29", "window": { "start": { "local": "2027-10-29T17:50:35+05:30", "utc": "2027-10-29T12:20:35Z", "ms": 1824812434656.3801 }, "end": { "local": "2027-10-29T19:31:58+05:30", "utc": "2027-10-29T14:01:58Z", "ms": 1824818517574.934 } }, "covered_min": 76, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 20:49 on Thu 28 Oct to 19:07 on Fri 29 Oct.", "fact": "2027-10-28T15:18:36Z → 2027-10-29T13:36:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:32 on the 28th, 17:51–19:32 on the 29th.", "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 101 minutes on the 28th and 76 of 101 on the 29th.", "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 1523 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Ujjain, 2027: Friday 29 October.", "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": "2027-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-29", "confidence": "determinate" } ], "quote": "In Ujjain, Lakṣmī Pūjā (Diwali) 2027 falls on Friday 29 October. Amāvasyā runs from 20:49 on Thu 28 Oct to 19:07 on Fri 29 Oct and covers 76 of 101 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-29", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 147, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 }, "end": { "local": "2027-10-30T17:52:23+05:30", "utc": "2027-10-30T12:22:23Z", "ms": 1824898942542.1702 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 }, "end": { "local": "2027-10-30T17:52:23+05:30", "utc": "2027-10-30T12:22:23Z", "ms": 1824898942542.1702 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-10-29", "window": { "start": { "local": "2027-10-29T17:50:35+05:30", "utc": "2027-10-29T12:20:35Z", "ms": 1824812434656.3801 }, "end": { "local": "2027-10-29T19:31:58+05:30", "utc": "2027-10-29T14:01:58Z", "ms": 1824818517574.934 } }, "covered_min": 25, "window_min": 101, "qualifies": true }, { "local_date": "2027-10-30", "window": { "start": { "local": "2027-10-30T17:49:55+05:30", "utc": "2027-10-30T12:19:55Z", "ms": 1824898795426.6548 }, "end": { "local": "2027-10-30T19:31:28+05:30", "utc": "2027-10-30T14:01:28Z", "ms": 1824904887897.0327 } }, "covered_min": 2, "window_min": 102, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:07 on Fri 29 Oct to 17:52 on Sat 30 Oct.", "fact": "2027-10-29T13:36:34Z → 2027-10-30T12:22:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:32 on the 29th, 17:50–19:31 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 25 of 101 minutes on the 29th and 2 of 102 on the 30th.", "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 147 s < 300 s" }, { "step": "ruling", "text": "Bali Pūjā, Ujjain, 2027: Friday 29 October.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-10-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-29", "confidence": "boundary" } ], "quote": "In Ujjain, Bali Pūjā 2027 falls on Friday 29 October. Pratipadā runs from 19:07 on Fri 29 Oct to 17:52 on Sat 30 Oct and covers 25 of 101 minutes of pradoṣa that evening. It also reaches the next evening for 2 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 27 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19077, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 }, "end": { "local": "2027-10-30T17:52:23+05:30", "utc": "2027-10-30T12:22:23Z", "ms": 1824898942542.1702 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 }, "end": { "local": "2027-10-30T17:52:23+05:30", "utc": "2027-10-30T12:22:23Z", "ms": 1824898942542.1702 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-10-29", "window": { "start": { "local": "2027-10-29T11:46:30+05:30", "utc": "2027-10-29T06:16:30Z", "ms": 1824790589638.4094 }, "end": { "local": "2027-10-29T12:34:30+05:30", "utc": "2027-10-29T07:04:30Z", "ms": 1824793469638.4094 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-10-30", "window": { "start": { "local": "2027-10-30T11:46:26+05:30", "utc": "2027-10-30T06:16:26Z", "ms": 1824876985986.095 }, "end": { "local": "2027-10-30T12:34:26+05:30", "utc": "2027-10-30T07:04:26Z", "ms": 1824879865986.095 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:07 on Fri 29 Oct to 17:52 on Sat 30 Oct.", "fact": "2027-10-29T13:36:34Z → 2027-10-30T12:22:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 29th, 11:46–12:34 on the 30th.", "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 29th and 48 of 48 on the 30th.", "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 19077 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Ujjain, 2027: Saturday 30 October.", "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": "2027-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-30", "confidence": "determinate" } ], "quote": "In Ujjain, Govardhana Pūjā 2027 falls on Saturday 30 October. Pratipadā runs from 19:07 on Fri 29 Oct to 17:52 on Sat 30 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27306, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 }, "end": { "local": "2027-10-30T17:52:23+05:30", "utc": "2027-10-30T12:22:23Z", "ms": 1824898942542.1702 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-29T19:06:34+05:30", "utc": "2027-10-29T13:36:34Z", "ms": 1824816994184.1594 }, "end": { "local": "2027-10-30T17:52:23+05:30", "utc": "2027-10-30T12:22:23Z", "ms": 1824898942542.1702 } }, "kaala": "purvahna", "days": [ { "local_date": "2027-10-29", "window": { "start": { "local": "2027-10-29T06:30:25+05:30", "utc": "2027-10-29T01:00:25Z", "ms": 1824771624620.4387 }, "end": { "local": "2027-10-29T10:17:08+05:30", "utc": "2027-10-29T04:47:08Z", "ms": 1824785227965.7524 } }, "covered_min": 0, "window_min": 227, "qualifies": false }, { "local_date": "2027-10-30", "window": { "start": { "local": "2027-10-30T06:30:57+05:30", "utc": "2027-10-30T01:00:57Z", "ms": 1824858056545.5352 }, "end": { "local": "2027-10-30T10:17:16+05:30", "utc": "2027-10-30T04:47:16Z", "ms": 1824871636172.575 } }, "covered_min": 226, "window_min": 226, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:07 on Fri 29 Oct to 17:52 on Sat 30 Oct.", "fact": "2027-10-29T13:36:34Z → 2027-10-30T12:22:23Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:30–10:17 on the 29th, 06:31–10:17 on the 30th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 227 minutes on the 29th and 226 of 226 on the 30th.", "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 27306 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Ujjain, 2027: Saturday 30 October.", "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": "2027-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-30", "confidence": "determinate" } ], "quote": "In Ujjain, Dyūta Pratipad 2027 falls on Saturday 30 October. Pratipadā runs from 19:07 on Fri 29 Oct to 17:52 on Sat 30 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16750, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2027-10-30T17:52:23+05:30", "utc": "2027-10-30T12:22:23Z", "ms": 1824898942542.1702 }, "end": { "local": "2027-10-31T17:13:33+05:30", "utc": "2027-10-31T11:43:33Z", "ms": 1824983013100.1274 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-10-30T17:52:23+05:30", "utc": "2027-10-30T12:22:23Z", "ms": 1824898942542.1702 }, "end": { "local": "2027-10-31T17:13:33+05:30", "utc": "2027-10-31T11:43:33Z", "ms": 1824983013100.1274 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-10-30", "window": { "start": { "local": "2027-10-30T11:46:26+05:30", "utc": "2027-10-30T06:16:26Z", "ms": 1824876985986.095 }, "end": { "local": "2027-10-30T12:34:26+05:30", "utc": "2027-10-30T07:04:26Z", "ms": 1824879865986.095 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-10-31", "window": { "start": { "local": "2027-10-31T11:46:23+05:30", "utc": "2027-10-31T06:16:23Z", "ms": 1824963383110.7974 }, "end": { "local": "2027-10-31T12:34:23+05:30", "utc": "2027-10-31T07:04:23Z", "ms": 1824966263110.7974 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:52 on Sat 30 Oct to 17:14 on Sun 31 Oct.", "fact": "2027-10-30T12:22:23Z → 2027-10-31T11:43:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 30th, 11:46–12:34 on the 31st.", "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 30th and 48 of 48 on the 31st.", "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 16750 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Ujjain, 2027: Sunday 31 October.", "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": "2027-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-10-31", "confidence": "determinate" } ], "quote": "In Ujjain, Yama Dvitīyā (Bhai Dooj) 2027 falls on Sunday 31 October. Dvitīyā runs from 17:52 on Sat 30 Oct to 17:14 on Sun 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16898, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-11-01T17:15:59+05:30", "utc": "2027-11-01T11:45:59Z", "ms": 1825069559457.287 }, "end": { "local": "2027-11-02T18:02:39+05:30", "utc": "2027-11-02T12:32:39Z", "ms": 1825158759345.4956 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-01T17:15:59+05:30", "utc": "2027-11-01T11:45:59Z", "ms": 1825069559457.287 }, "end": { "local": "2027-11-02T18:02:39+05:30", "utc": "2027-11-02T12:32:39Z", "ms": 1825158759345.4956 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-11-01", "window": { "start": { "local": "2027-11-01T11:46:21+05:30", "utc": "2027-11-01T06:16:21Z", "ms": 1825049781018.783 }, "end": { "local": "2027-11-01T12:34:21+05:30", "utc": "2027-11-01T07:04:21Z", "ms": 1825052661018.783 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-11-02", "window": { "start": { "local": "2027-11-02T11:46:20+05:30", "utc": "2027-11-02T06:16:20Z", "ms": 1825136179716.188 }, "end": { "local": "2027-11-02T12:34:20+05:30", "utc": "2027-11-02T07:04:20Z", "ms": 1825139059716.188 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:16 on Mon 1 Nov to 18:03 on Tue 2 Nov.", "fact": "2027-11-01T11:45:59Z → 2027-11-02T12:32:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 1st, 11:46–12:34 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "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 16898 s" }, { "step": "ruling", "text": "Nāga Caturthī, Ujjain, 2027: Tuesday 2 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": "2027-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-02", "confidence": "determinate" } ], "quote": "In Ujjain, Nāga Caturthī 2027 falls on Tuesday 2 November. Caturthī runs from 17:16 on Mon 1 Nov to 18:03 on Tue 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-11-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16898, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-11-01T17:15:59+05:30", "utc": "2027-11-01T11:45:59Z", "ms": 1825069559457.287 }, "end": { "local": "2027-11-02T18:02:39+05:30", "utc": "2027-11-02T12:32:39Z", "ms": 1825158759345.4956 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-01T17:15:59+05:30", "utc": "2027-11-01T11:45:59Z", "ms": 1825069559457.287 }, "end": { "local": "2027-11-02T18:02:39+05:30", "utc": "2027-11-02T12:32:39Z", "ms": 1825158759345.4956 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-11-01", "window": { "start": { "local": "2027-11-01T11:46:21+05:30", "utc": "2027-11-01T06:16:21Z", "ms": 1825049781018.783 }, "end": { "local": "2027-11-01T12:34:21+05:30", "utc": "2027-11-01T07:04:21Z", "ms": 1825052661018.783 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-11-02", "window": { "start": { "local": "2027-11-02T11:46:20+05:30", "utc": "2027-11-02T06:16:20Z", "ms": 1825136179716.188 }, "end": { "local": "2027-11-02T12:34:20+05:30", "utc": "2027-11-02T07:04:20Z", "ms": 1825139059716.188 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:16 on Mon 1 Nov to 18:03 on Tue 2 Nov.", "fact": "2027-11-01T11:45:59Z → 2027-11-02T12:32:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 1st, 11:46–12:34 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16898 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Tuesday 2 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": "2027-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-02", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Tuesday 2 November. Caturthī runs from 17:16 on Mon 1 Nov to 18:03 on Tue 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-11-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25078, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2027-11-03T19:32:17+05:30", "utc": "2027-11-03T14:02:17Z", "ms": 1825250537252.721 }, "end": { "local": "2027-11-04T21:38:30+05:30", "utc": "2027-11-04T16:08:30Z", "ms": 1825344509755.5127 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-03T19:32:17+05:30", "utc": "2027-11-03T14:02:17Z", "ms": 1825250537252.721 }, "end": { "local": "2027-11-04T21:38:30+05:30", "utc": "2027-11-04T16:08:30Z", "ms": 1825344509755.5127 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-11-03", "window": { "start": { "local": "2027-11-03T11:46:19+05:30", "utc": "2027-11-03T06:16:19Z", "ms": 1825222579209.0952 }, "end": { "local": "2027-11-03T12:34:19+05:30", "utc": "2027-11-03T07:04:19Z", "ms": 1825225459209.0952 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-11-04", "window": { "start": { "local": "2027-11-04T11:46:20+05:30", "utc": "2027-11-04T06:16:20Z", "ms": 1825308979503.521 }, "end": { "local": "2027-11-04T12:34:20+05:30", "utc": "2027-11-04T07:04:20Z", "ms": 1825311859503.521 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:32 on Wed 3 Nov to 21:38 on Thu 4 Nov.", "fact": "2027-11-03T14:02:17Z → 2027-11-04T16:08:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 3rd, 11:46–12:34 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25078 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Ujjain, 2027: Thursday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-04", "confidence": "determinate" } ], "quote": "In Ujjain, Sūrya Ṣaṣṭhī (Chhath) 2027 falls on Thursday 4 November. Ṣaṣṭhī runs from 19:32 on Wed 3 Nov to 21:38 on Thu 4 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32150, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2027-11-06T00:09:44+05:30", "utc": "2027-11-05T18:39:44Z", "ms": 1825439984455.285 }, "end": { "local": "2027-11-07T02:50:36+05:30", "utc": "2027-11-06T21:20:36Z", "ms": 1825536035607.2168 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-06T00:09:44+05:30", "utc": "2027-11-05T18:39:44Z", "ms": 1825439984455.285 }, "end": { "local": "2027-11-07T02:50:36+05:30", "utc": "2027-11-06T21:20:36Z", "ms": 1825536035607.2168 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-11-06", "window": { "start": { "local": "2027-11-06T11:46:23+05:30", "utc": "2027-11-06T06:16:23Z", "ms": 1825481782520.2754 }, "end": { "local": "2027-11-06T12:34:23+05:30", "utc": "2027-11-06T07:04:23Z", "ms": 1825484662520.2754 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-11-07", "window": { "start": { "local": "2027-11-07T11:46:25+05:30", "utc": "2027-11-07T06:16:25Z", "ms": 1825568185253.6887 }, "end": { "local": "2027-11-07T12:34:25+05:30", "utc": "2027-11-07T07:04:25Z", "ms": 1825571065253.6887 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:10 on Sat 6 Nov to 02:51 on Sun 7 Nov.", "fact": "2027-11-05T18:39:44Z → 2027-11-06T21:20:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 6th, 11:46–12:34 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32150 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Ujjain, 2027: Saturday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-06", "confidence": "determinate" } ], "quote": "In Ujjain, Gopāṣṭamī 2027 falls on Saturday 6 November. Aṣṭamī runs from 00:10 on Sat 6 Nov to 02:51 on Sun 7 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4314, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2027-11-07T02:50:36+05:30", "utc": "2027-11-06T21:20:36Z", "ms": 1825536035607.2168 }, "end": { "local": "2027-11-08T05:24:11+05:30", "utc": "2027-11-07T23:54:11Z", "ms": 1825631650551.0562 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-07T02:50:36+05:30", "utc": "2027-11-06T21:20:36Z", "ms": 1825536035607.2168 }, "end": { "local": "2027-11-08T05:24:11+05:30", "utc": "2027-11-07T23:54:11Z", "ms": 1825631650551.0562 } }, "kaala": "purvahna", "days": [ { "local_date": "2027-11-07", "window": { "start": { "local": "2027-11-07T06:35:29+05:30", "utc": "2027-11-07T01:05:29Z", "ms": 1825549528751.2415 }, "end": { "local": "2027-11-07T10:18:46+05:30", "utc": "2027-11-07T04:48:46Z", "ms": 1825562926419.5396 } }, "covered_min": 223, "window_min": 223, "qualifies": true }, { "local_date": "2027-11-08", "window": { "start": { "local": "2027-11-08T06:36:05+05:30", "utc": "2027-11-08T01:06:05Z", "ms": 1825635964758.6233 }, "end": { "local": "2027-11-08T10:19:01+05:30", "utc": "2027-11-08T04:49:01Z", "ms": 1825649340793.3257 } }, "covered_min": 0, "window_min": 223, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:51 on Sun 7 Nov to 05:24 on Mon 8 Nov.", "fact": "2027-11-06T21:20:36Z → 2027-11-07T23:54:11Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:35–10:19 on the 7th, 06:36–10:19 on the 8th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 223 of 223 minutes on the 7th and 0 of 223 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4314 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Ujjain, 2027: Sunday 7 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": "2027-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-07", "confidence": "determinate" } ], "quote": "In Ujjain, Akṣaya Navamī (Amla Navami) 2027 falls on Sunday 7 November. Navamī runs from 02:51 on Sun 7 Nov to 05:24 on Mon 8 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22938, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2027-11-07T02:50:36+05:30", "utc": "2027-11-06T21:20:36Z", "ms": 1825536035607.2168 }, "end": { "local": "2027-11-08T05:24:11+05:30", "utc": "2027-11-07T23:54:11Z", "ms": 1825631650551.0562 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-07T02:50:36+05:30", "utc": "2027-11-06T21:20:36Z", "ms": 1825536035607.2168 }, "end": { "local": "2027-11-08T05:24:11+05:30", "utc": "2027-11-07T23:54:11Z", "ms": 1825631650551.0562 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-11-07", "window": { "start": { "local": "2027-11-07T11:46:25+05:30", "utc": "2027-11-07T06:16:25Z", "ms": 1825568185253.6887 }, "end": { "local": "2027-11-07T12:34:25+05:30", "utc": "2027-11-07T07:04:25Z", "ms": 1825571065253.6887 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-11-08", "window": { "start": { "local": "2027-11-08T11:46:29+05:30", "utc": "2027-11-08T06:16:29Z", "ms": 1825654588810.6768 }, "end": { "local": "2027-11-08T12:34:29+05:30", "utc": "2027-11-08T07:04:29Z", "ms": 1825657468810.6768 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:51 on Sun 7 Nov to 05:24 on Mon 8 Nov.", "fact": "2027-11-06T21:20:36Z → 2027-11-07T23:54:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 7th, 11:46–12:34 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22938 s" }, { "step": "ruling", "text": "Durgā Navamī, Ujjain, 2027: Sunday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-07", "confidence": "determinate" } ], "quote": "In Ujjain, Durgā Navamī 2027 falls on Sunday 7 November. Navamī runs from 02:51 on Sun 7 Nov to 05:24 on Mon 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-11-10", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3503, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-11-09T07:35:04+05:30", "utc": "2027-11-09T02:05:04Z", "ms": 1825725904484.048 }, "end": { "local": "2027-11-10T09:11:45+05:30", "utc": "2027-11-10T03:41:45Z", "ms": 1825818104610.375 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-09T07:35:04+05:30", "utc": "2027-11-09T02:05:04Z", "ms": 1825725904484.048 }, "end": { "local": "2027-11-10T09:11:45+05:30", "utc": "2027-11-10T03:41:45Z", "ms": 1825818104610.375 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-11-09", "window": { "start": { "local": "2027-11-09T06:36:41+05:30", "utc": "2027-11-09T01:06:41Z", "ms": 1825722401176.6082 }, "end": { "local": "2027-11-09T06:36:41+05:30", "utc": "2027-11-09T01:06:41Z", "ms": 1825722401176.6082 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-11-10", "window": { "start": { "local": "2027-11-10T06:37:18+05:30", "utc": "2027-11-10T01:07:18Z", "ms": 1825808837995.075 }, "end": { "local": "2027-11-10T06:37:18+05:30", "utc": "2027-11-10T01:07:18Z", "ms": 1825808837995.075 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:35 on Tue 9 Nov to 09:12 on Wed 10 Nov.", "fact": "2027-11-09T02:05:04Z → 2027-11-10T03:41:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 9th and 06:37 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3503 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Ujjain, 2027: Wednesday 10 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": "2027-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-10", "confidence": "determinate" } ], "quote": "In Ujjain, Prabodhinī Ekādaśī 2027 falls on Wednesday 10 November. Ekādaśī runs from 07:35 on Tue 9 Nov to 09:12 on Wed 10 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-11-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26499, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-11-11T10:07:43+05:30", "utc": "2027-11-11T04:37:43Z", "ms": 1825907862592.8682 }, "end": { "local": "2027-11-12T10:21:31+05:30", "utc": "2027-11-12T04:51:31Z", "ms": 1825995090948.0347 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-11T10:07:43+05:30", "utc": "2027-11-11T04:37:43Z", "ms": 1825907862592.8682 }, "end": { "local": "2027-11-12T10:21:31+05:30", "utc": "2027-11-12T04:51:31Z", "ms": 1825995090948.0347 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-11-11", "window": { "start": { "local": "2027-11-11T17:43:34+05:30", "utc": "2027-11-11T12:13:34Z", "ms": 1825935213734.4998 }, "end": { "local": "2027-11-11T19:26:54+05:30", "utc": "2027-11-11T13:56:54Z", "ms": 1825941413608.707 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2027-11-12", "window": { "start": { "local": "2027-11-12T17:43:10+05:30", "utc": "2027-11-12T12:13:10Z", "ms": 1826021589938.3809 }, "end": { "local": "2027-11-12T19:26:38+05:30", "utc": "2027-11-12T13:56:38Z", "ms": 1826027798046.1272 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:08 on Thu 11 Nov to 10:22 on Fri 12 Nov.", "fact": "2027-11-11T04:37:43Z → 2027-11-12T04:51:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:27 on the 11th, 17:43–19:27 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 103 of 103 minutes on the 11th and 0 of 103 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 26499 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Thursday 11 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": "2027-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-11", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Thursday 11 November. Trayodaśī runs from 10:08 on Thu 11 Nov to 10:22 on Fri 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6672, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-11-13T09:55:47+05:30", "utc": "2027-11-13T04:25:47Z", "ms": 1826079947123.7146 }, "end": { "local": "2027-11-14T08:55:56+05:30", "utc": "2027-11-14T03:25:56Z", "ms": 1826162755957.5405 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-13T09:55:47+05:30", "utc": "2027-11-13T04:25:47Z", "ms": 1826079947123.7146 }, "end": { "local": "2027-11-14T08:55:56+05:30", "utc": "2027-11-14T03:25:56Z", "ms": 1826162755957.5405 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-11-13", "window": { "start": { "local": "2027-11-13T11:46:59+05:30", "utc": "2027-11-13T06:16:59Z", "ms": 1826086619104.7734 }, "end": { "local": "2027-11-13T12:34:59+05:30", "utc": "2027-11-13T07:04:59Z", "ms": 1826089499104.7734 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-11-14", "window": { "start": { "local": "2027-11-14T11:47:08+05:30", "utc": "2027-11-14T06:17:08Z", "ms": 1826173027692.4033 }, "end": { "local": "2027-11-14T12:35:08+05:30", "utc": "2027-11-14T07:05:08Z", "ms": 1826175907692.4033 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:56 on Sat 13 Nov to 08:56 on Sun 14 Nov.", "fact": "2027-11-13T04:25:47Z → 2027-11-14T03:25:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 13th, 11:47–12:35 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6672 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Ujjain, 2027: Saturday 13 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": "2027-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-13", "confidence": "determinate" } ], "quote": "In Ujjain, Kārtikī Pūrṇimā 2027 falls on Saturday 13 November. Pūrṇimā runs from 09:56 on Sat 13 Nov to 08:56 on Sun 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30038, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-11-13T09:55:47+05:30", "utc": "2027-11-13T04:25:47Z", "ms": 1826079947123.7146 }, "end": { "local": "2027-11-14T08:55:56+05:30", "utc": "2027-11-14T03:25:56Z", "ms": 1826162755957.5405 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2027-11-13T09:55:47+05:30", "utc": "2027-11-13T04:25:47Z", "ms": 1826079947123.7146 }, "end": { "local": "2027-11-14T08:55:56+05:30", "utc": "2027-11-14T03:25:56Z", "ms": 1826162755957.5405 } }, "kaala": "nishita", "days": [ { "local_date": "2027-11-12", "window": { "start": { "local": "2027-11-12T23:47:10+05:30", "utc": "2027-11-12T18:17:10Z", "ms": 1826043430342.4297 }, "end": { "local": "2027-11-13T00:35:10+05:30", "utc": "2027-11-12T19:05:10Z", "ms": 1826046310342.4297 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-11-13", "window": { "start": { "local": "2027-11-13T23:47:18+05:30", "utc": "2027-11-13T18:17:18Z", "ms": 1826129838260.5813 }, "end": { "local": "2027-11-14T00:35:18+05:30", "utc": "2027-11-13T19:05:18Z", "ms": 1826132718260.5813 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:56 on Sat 13 Nov to 08:56 on Sun 14 Nov.", "fact": "2027-11-13T04:25:47Z → 2027-11-14T03:25:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 12th, 23:47–00:35 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30038 s" }, { "step": "ruling", "text": "Rāsayātrā, Ujjain, 2027: Saturday 13 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": "2027-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-13", "confidence": "determinate" } ], "quote": "In Ujjain, Rāsayātrā 2027 falls on Saturday 13 November. Pūrṇimā runs from 09:56 on Sat 13 Nov to 08:56 on Sun 14 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-11-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17587, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-11-17T03:42:21+05:30", "utc": "2027-11-16T22:12:21Z", "ms": 1826403140575.5217 }, "end": { "local": "2027-11-18T01:35:55+05:30", "utc": "2027-11-17T20:05:55Z", "ms": 1826481955382.0627 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-11-17T03:42:21+05:30", "utc": "2027-11-16T22:12:21Z", "ms": 1826403140575.5217 }, "end": { "local": "2027-11-18T01:35:55+05:30", "utc": "2027-11-17T20:05:55Z", "ms": 1826481955382.0627 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-11-16", "window": { "start": { "local": "2027-11-16T19:38:17+05:30", "utc": "2027-11-16T14:08:17Z", "ms": 1826374097324.0818 }, "end": { "local": "2027-11-16T19:38:17+05:30", "utc": "2027-11-16T14:08:17Z", "ms": 1826374097324.0818 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-11-17", "window": { "start": { "local": "2027-11-17T20:42:48+05:30", "utc": "2027-11-17T15:12:48Z", "ms": 1826464368432.3132 }, "end": { "local": "2027-11-17T20:42:48+05:30", "utc": "2027-11-17T15:12:48Z", "ms": 1826464368432.3132 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:42 on Wed 17 Nov to 01:36 on Thu 18 Nov.", "fact": "2027-11-16T22:12:21Z → 2027-11-17T20:05:55Z" }, { "step": "kaala", "text": "Moonrise is at 19:38 on the 16th and 20:43 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "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 17587 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Wednesday 17 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": "2027-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-17", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Wednesday 17 November. Caturthī runs from 03:42 on Wed 17 Nov to 01:36 on Thu 18 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ekadashi?on=2027-11-24", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19523, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-11-23T13:45:21+05:30", "utc": "2027-11-23T08:15:21Z", "ms": 1826957720985.2007 }, "end": { "local": "2027-11-24T12:11:51+05:30", "utc": "2027-11-24T06:41:51Z", "ms": 1827038510908.1985 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-11-23T13:45:21+05:30", "utc": "2027-11-23T08:15:21Z", "ms": 1826957720985.2007 }, "end": { "local": "2027-11-24T12:11:51+05:30", "utc": "2027-11-24T06:41:51Z", "ms": 1827038510908.1985 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-11-23", "window": { "start": { "local": "2027-11-23T06:45:47+05:30", "utc": "2027-11-23T01:15:47Z", "ms": 1826932547365.261 }, "end": { "local": "2027-11-23T06:45:47+05:30", "utc": "2027-11-23T01:15:47Z", "ms": 1826932547365.261 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2027-11-24", "window": { "start": { "local": "2027-11-24T06:46:28+05:30", "utc": "2027-11-24T01:16:28Z", "ms": 1827018988293.5945 }, "end": { "local": "2027-11-24T06:46:28+05:30", "utc": "2027-11-24T01:16:28Z", "ms": 1827018988293.5945 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:45 on Tue 23 Nov to 12:12 on Wed 24 Nov.", "fact": "2027-11-23T08:15:21Z → 2027-11-24T06:41:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 23rd and 06:46 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 19523 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Ujjain, 2027: Wednesday 24 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": "2027-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-24", "confidence": "determinate" } ], "quote": "In Ujjain, Utpannā Ekādaśī 2027 falls on Wednesday 24 November. Ekādaśī runs from 13:45 on Tue 23 Nov to 12:12 on Wed 24 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-11-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-11-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24519, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-11-25T10:51:27+05:30", "utc": "2027-11-25T05:21:27Z", "ms": 1827120087180.7847 }, "end": { "local": "2027-11-26T09:48:22+05:30", "utc": "2027-11-26T04:18:22Z", "ms": 1827202701895.7092 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-11-25T10:51:27+05:30", "utc": "2027-11-25T05:21:27Z", "ms": 1827120087180.7847 }, "end": { "local": "2027-11-26T09:48:22+05:30", "utc": "2027-11-26T04:18:22Z", "ms": 1827202701895.7092 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-11-25", "window": { "start": { "local": "2027-11-25T17:40:07+05:30", "utc": "2027-11-25T12:10:07Z", "ms": 1827144606587.1792 }, "end": { "local": "2027-11-25T19:25:08+05:30", "utc": "2027-11-25T13:55:08Z", "ms": 1827150908440.211 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2027-11-26", "window": { "start": { "local": "2027-11-26T17:40:03+05:30", "utc": "2027-11-26T12:10:03Z", "ms": 1827231002567.9805 }, "end": { "local": "2027-11-26T19:25:10+05:30", "utc": "2027-11-26T13:55:10Z", "ms": 1827237310449.4514 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:51 on Thu 25 Nov to 09:48 on Fri 26 Nov.", "fact": "2027-11-25T05:21:27Z → 2027-11-26T04:18:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:25 on the 25th, 17:40–19:25 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 105 of 105 minutes on the 25th and 0 of 105 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 24519 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Thursday 25 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": "2027-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-25", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Thursday 25 November. Trayodaśī runs from 10:51 on Thu 25 Nov to 09:48 on Fri 26 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-11-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30559, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-11-26T09:48:22+05:30", "utc": "2027-11-26T04:18:22Z", "ms": 1827202701895.7092 }, "end": { "local": "2027-11-27T09:07:36+05:30", "utc": "2027-11-27T03:37:36Z", "ms": 1827286655682.9028 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-11-26T09:48:22+05:30", "utc": "2027-11-26T04:18:22Z", "ms": 1827202701895.7092 }, "end": { "local": "2027-11-27T09:07:36+05:30", "utc": "2027-11-27T03:37:36Z", "ms": 1827286655682.9028 } }, "kaala": "nishita", "days": [ { "local_date": "2027-11-25", "window": { "start": { "local": "2027-11-25T23:49:59+05:30", "utc": "2027-11-25T18:19:59Z", "ms": 1827166798536.0479 }, "end": { "local": "2027-11-26T00:37:59+05:30", "utc": "2027-11-25T19:07:59Z", "ms": 1827169678536.0479 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-11-26", "window": { "start": { "local": "2027-11-26T23:50:17+05:30", "utc": "2027-11-26T18:20:17Z", "ms": 1827253217123.4966 }, "end": { "local": "2027-11-27T00:38:17+05:30", "utc": "2027-11-26T19:08:17Z", "ms": 1827256097123.4966 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:48 on Fri 26 Nov to 09:08 on Sat 27 Nov.", "fact": "2027-11-26T04:18:22Z → 2027-11-27T03:37:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 25th, 23:50–00:38 on the 26th.", "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 25th and 48 of 48 on the 26th.", "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 30559 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Friday 26 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": "2027-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-11-26", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Friday 26 November. Caturdaśī runs from 09:48 on Fri 26 Nov to 09:08 on Sat 27 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-11-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-12-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-01", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 705, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-12-01T11:39:55+05:30", "utc": "2027-12-01T06:09:55Z", "ms": 1827641395387.7446 }, "end": { "local": "2027-12-02T13:44:14+05:30", "utc": "2027-12-02T08:14:14Z", "ms": 1827735254026.486 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-01T11:39:55+05:30", "utc": "2027-12-01T06:09:55Z", "ms": 1827641395387.7446 }, "end": { "local": "2027-12-02T13:44:14+05:30", "utc": "2027-12-02T08:14:14Z", "ms": 1827735254026.486 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-12-01", "window": { "start": { "local": "2027-12-01T11:51:40+05:30", "utc": "2027-12-01T06:21:40Z", "ms": 1827642100227.294 }, "end": { "local": "2027-12-01T12:39:40+05:30", "utc": "2027-12-01T07:09:40Z", "ms": 1827644980227.294 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-12-02", "window": { "start": { "local": "2027-12-02T11:52:03+05:30", "utc": "2027-12-02T06:22:03Z", "ms": 1827728522988.8267 }, "end": { "local": "2027-12-02T12:40:03+05:30", "utc": "2027-12-02T07:10:03Z", "ms": 1827731402988.8267 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:40 on Wed 1 Dec to 13:44 on Thu 2 Dec.", "fact": "2027-12-01T06:09:55Z → 2027-12-02T08:14:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 1st, 11:52–12:40 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "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 705 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Wednesday 1 December.", "fact": "confidence: boundary (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": "2027-12-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-02", "confidence": "boundary" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Wednesday 1 December. Caturthī runs from 11:40 on Wed 1 Dec to 13:44 on Thu 2 Dec and covers all of madhyāhna that midday. It also reaches the next midday 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/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-12-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3851, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2027-12-02T13:44:14+05:30", "utc": "2027-12-02T08:14:14Z", "ms": 1827735254026.486 }, "end": { "local": "2027-12-03T16:13:52+05:30", "utc": "2027-12-03T10:43:52Z", "ms": 1827830631781.6758 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-02T13:44:14+05:30", "utc": "2027-12-02T08:14:14Z", "ms": 1827735254026.486 }, "end": { "local": "2027-12-03T16:13:52+05:30", "utc": "2027-12-03T10:43:52Z", "ms": 1827830631781.6758 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-12-02", "window": { "start": { "local": "2027-12-02T11:52:03+05:30", "utc": "2027-12-02T06:22:03Z", "ms": 1827728522988.8267 }, "end": { "local": "2027-12-02T12:40:03+05:30", "utc": "2027-12-02T07:10:03Z", "ms": 1827731402988.8267 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-12-03", "window": { "start": { "local": "2027-12-03T11:52:26+05:30", "utc": "2027-12-03T06:22:26Z", "ms": 1827814946368.2346 }, "end": { "local": "2027-12-03T12:40:26+05:30", "utc": "2027-12-03T07:10:26Z", "ms": 1827817826368.2346 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:44 on Thu 2 Dec to 16:14 on Fri 3 Dec.", "fact": "2027-12-02T08:14:14Z → 2027-12-03T10:43:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 2nd, 11:52–12:40 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3851 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Ujjain, 2027: Friday 3 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": "2027-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-03", "confidence": "determinate" } ], "quote": "In Ujjain, Nāga Pañcamī (Mārgaśīrṣa) 2027 falls on Friday 3 December. Pañcamī runs from 13:44 on Thu 2 Dec to 16:14 on Fri 3 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12805, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2027-12-03T16:13:52+05:30", "utc": "2027-12-03T10:43:52Z", "ms": 1827830631781.6758 }, "end": { "local": "2027-12-04T18:56:42+05:30", "utc": "2027-12-04T13:26:42Z", "ms": 1827926801697.5376 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-03T16:13:52+05:30", "utc": "2027-12-03T10:43:52Z", "ms": 1827830631781.6758 }, "end": { "local": "2027-12-04T18:56:42+05:30", "utc": "2027-12-04T13:26:42Z", "ms": 1827926801697.5376 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-12-03", "window": { "start": { "local": "2027-12-03T11:52:26+05:30", "utc": "2027-12-03T06:22:26Z", "ms": 1827814946368.2346 }, "end": { "local": "2027-12-03T12:40:26+05:30", "utc": "2027-12-03T07:10:26Z", "ms": 1827817826368.2346 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-12-04", "window": { "start": { "local": "2027-12-04T11:52:50+05:30", "utc": "2027-12-04T06:22:50Z", "ms": 1827901370340.6987 }, "end": { "local": "2027-12-04T12:40:50+05:30", "utc": "2027-12-04T07:10:50Z", "ms": 1827904250340.6987 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:14 on Fri 3 Dec to 18:57 on Sat 4 Dec.", "fact": "2027-12-03T10:43:52Z → 2027-12-04T13:26:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 3rd, 11:53–12:41 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12805 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Ujjain, 2027: Saturday 4 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": "2027-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-04", "confidence": "determinate" } ], "quote": "In Ujjain, Campā Ṣaṣṭhī 2027 falls on Saturday 4 December. Ṣaṣṭhī runs from 16:14 on Fri 3 Dec to 18:57 on Sat 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12805, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2027-12-03T16:13:52+05:30", "utc": "2027-12-03T10:43:52Z", "ms": 1827830631781.6758 }, "end": { "local": "2027-12-04T18:56:42+05:30", "utc": "2027-12-04T13:26:42Z", "ms": 1827926801697.5376 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-03T16:13:52+05:30", "utc": "2027-12-03T10:43:52Z", "ms": 1827830631781.6758 }, "end": { "local": "2027-12-04T18:56:42+05:30", "utc": "2027-12-04T13:26:42Z", "ms": 1827926801697.5376 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-12-03", "window": { "start": { "local": "2027-12-03T11:52:26+05:30", "utc": "2027-12-03T06:22:26Z", "ms": 1827814946368.2346 }, "end": { "local": "2027-12-03T12:40:26+05:30", "utc": "2027-12-03T07:10:26Z", "ms": 1827817826368.2346 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-12-04", "window": { "start": { "local": "2027-12-04T11:52:50+05:30", "utc": "2027-12-04T06:22:50Z", "ms": 1827901370340.6987 }, "end": { "local": "2027-12-04T12:40:50+05:30", "utc": "2027-12-04T07:10:50Z", "ms": 1827904250340.6987 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:14 on Fri 3 Dec to 18:57 on Sat 4 Dec.", "fact": "2027-12-03T10:43:52Z → 2027-12-04T13:26:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 3rd, 11:53–12:41 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12805 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Ujjain, 2027: Saturday 4 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": "2027-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-04", "confidence": "determinate" } ], "quote": "In Ujjain, Skanda Ṣaṣṭhī 2027 falls on Saturday 4 December. Ṣaṣṭhī runs from 16:14 on Fri 3 Dec to 18:57 on Sat 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22551, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2027-12-04T18:56:42+05:30", "utc": "2027-12-04T13:26:42Z", "ms": 1827926801697.5376 }, "end": { "local": "2027-12-05T21:37:31+05:30", "utc": "2027-12-05T16:07:31Z", "ms": 1828022851480.6855 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-04T18:56:42+05:30", "utc": "2027-12-04T13:26:42Z", "ms": 1827926801697.5376 }, "end": { "local": "2027-12-05T21:37:31+05:30", "utc": "2027-12-05T16:07:31Z", "ms": 1828022851480.6855 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-12-04", "window": { "start": { "local": "2027-12-04T11:52:50+05:30", "utc": "2027-12-04T06:22:50Z", "ms": 1827901370340.6987 }, "end": { "local": "2027-12-04T12:40:50+05:30", "utc": "2027-12-04T07:10:50Z", "ms": 1827904250340.6987 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2027-12-05", "window": { "start": { "local": "2027-12-05T11:53:15+05:30", "utc": "2027-12-05T06:23:15Z", "ms": 1827987794880.7886 }, "end": { "local": "2027-12-05T12:41:15+05:30", "utc": "2027-12-05T07:11:15Z", "ms": 1827990674880.7886 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:57 on Sat 4 Dec to 21:38 on Sun 5 Dec.", "fact": "2027-12-04T13:26:42Z → 2027-12-05T16:07:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 4th, 11:53–12:41 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22551 s" }, { "step": "ruling", "text": "Mitra Saptamī, Ujjain, 2027: Sunday 5 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": "2027-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-05", "confidence": "determinate" } ], "quote": "In Ujjain, Mitra Saptamī 2027 falls on Sunday 5 December. Saptamī runs from 18:57 on Sat 4 Dec to 21:38 on Sun 5 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/ekadashi?on=2027-12-09", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13011, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-12-09T02:59:25+05:30", "utc": "2027-12-08T21:29:25Z", "ms": 1828301365283.922 }, "end": { "local": "2027-12-10T03:20:24+05:30", "utc": "2027-12-09T21:50:24Z", "ms": 1828389023941.646 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-09T02:59:25+05:30", "utc": "2027-12-08T21:29:25Z", "ms": 1828301365283.922 }, "end": { "local": "2027-12-10T03:20:24+05:30", "utc": "2027-12-09T21:50:24Z", "ms": 1828389023941.646 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-12-09", "window": { "start": { "local": "2027-12-09T06:56:36+05:30", "utc": "2027-12-09T01:26:36Z", "ms": 1828315596347.3137 }, "end": { "local": "2027-12-09T06:56:36+05:30", "utc": "2027-12-09T01:26:36Z", "ms": 1828315596347.3137 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-12-10", "window": { "start": { "local": "2027-12-10T06:57:15+05:30", "utc": "2027-12-10T01:27:15Z", "ms": 1828402034759.8804 }, "end": { "local": "2027-12-10T06:57:15+05:30", "utc": "2027-12-10T01:27:15Z", "ms": 1828402034759.8804 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:59 on Thu 9 Dec to 03:20 on Fri 10 Dec.", "fact": "2027-12-08T21:29:25Z → 2027-12-09T21:50:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:57 on the 9th and 06:57 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13011 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Ujjain, 2027: Thursday 9 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": "2027-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-09", "confidence": "determinate" } ], "quote": "In Ujjain, Mokṣadā Ekādaśī 2027 falls on Thursday 9 December. Ekādaśī runs from 02:59 on Thu 9 Dec to 03:20 on Fri 10 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30901, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2027-12-10T03:20:24+05:30", "utc": "2027-12-09T21:50:24Z", "ms": 1828389023941.646 }, "end": { "local": "2027-12-11T02:53:45+05:30", "utc": "2027-12-10T21:23:45Z", "ms": 1828473825381.8796 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-10T03:20:24+05:30", "utc": "2027-12-09T21:50:24Z", "ms": 1828389023941.646 }, "end": { "local": "2027-12-11T02:53:45+05:30", "utc": "2027-12-10T21:23:45Z", "ms": 1828473825381.8796 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-12-10", "window": { "start": { "local": "2027-12-10T11:55:25+05:30", "utc": "2027-12-10T06:25:25Z", "ms": 1828419925180.073 }, "end": { "local": "2027-12-10T12:43:25+05:30", "utc": "2027-12-10T07:13:25Z", "ms": 1828422805180.073 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-12-11", "window": { "start": { "local": "2027-12-11T11:55:53+05:30", "utc": "2027-12-11T06:25:53Z", "ms": 1828506352573.2307 }, "end": { "local": "2027-12-11T12:43:53+05:30", "utc": "2027-12-11T07:13:53Z", "ms": 1828509232573.2307 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:20 on Fri 10 Dec to 02:54 on Sat 11 Dec.", "fact": "2027-12-09T21:50:24Z → 2027-12-10T21:23:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 10th, 11:56–12:44 on the 11th.", "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 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: paraviddha → only-day · margin 30901 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Ujjain, 2027: Friday 10 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": "2027-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-10", "confidence": "determinate" } ], "quote": "In Ujjain, Akhaṇḍa Dvādaśī 2027 falls on Friday 10 December. Dvādaśī runs from 03:20 on Fri 10 Dec to 02:54 on Sat 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/pradosha-vrata?on=2027-12-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22512, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-12-11T02:53:45+05:30", "utc": "2027-12-10T21:23:45Z", "ms": 1828473825381.8796 }, "end": { "local": "2027-12-12T01:43:17+05:30", "utc": "2027-12-11T20:13:17Z", "ms": 1828555997097.4656 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-11T02:53:45+05:30", "utc": "2027-12-10T21:23:45Z", "ms": 1828473825381.8796 }, "end": { "local": "2027-12-12T01:43:17+05:30", "utc": "2027-12-11T20:13:17Z", "ms": 1828555997097.4656 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-12-10", "window": { "start": { "local": "2027-12-10T17:41:36+05:30", "utc": "2027-12-10T12:11:36Z", "ms": 1828440695600.2656 }, "end": { "local": "2027-12-10T19:27:46+05:30", "utc": "2027-12-10T13:57:46Z", "ms": 1828447065879.157 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2027-12-11", "window": { "start": { "local": "2027-12-11T17:41:52+05:30", "utc": "2027-12-11T12:11:52Z", "ms": 1828527112454.5098 }, "end": { "local": "2027-12-11T19:28:05+05:30", "utc": "2027-12-11T13:58:05Z", "ms": 1828533485474.9612 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:54 on Sat 11 Dec to 01:43 on Sun 12 Dec.", "fact": "2027-12-10T21:23:45Z → 2027-12-11T20:13:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:28 on the 10th, 17:42–19:28 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 10th and 106 of 106 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22512 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2027: Saturday 11 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": "2027-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-11", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2027 falls on Saturday 11 December. Trayodaśī runs from 02:54 on Sat 11 Dec to 01:43 on Sun 12 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7800, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2027-12-12T23:55:34+05:30", "utc": "2027-12-12T18:25:34Z", "ms": 1828635933926.3257 }, "end": { "local": "2027-12-13T21:38:48+05:30", "utc": "2027-12-13T16:08:48Z", "ms": 1828714128009.74 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-12T23:55:34+05:30", "utc": "2027-12-12T18:25:34Z", "ms": 1828635933926.3257 }, "end": { "local": "2027-12-13T21:38:48+05:30", "utc": "2027-12-13T16:08:48Z", "ms": 1828714128009.74 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-12-12", "window": { "start": { "local": "2027-12-12T17:42:11+05:30", "utc": "2027-12-12T12:12:11Z", "ms": 1828613530589.1562 }, "end": { "local": "2027-12-12T19:28:26+05:30", "utc": "2027-12-12T13:58:26Z", "ms": 1828619906106.9868 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2027-12-13", "window": { "start": { "local": "2027-12-13T17:42:30+05:30", "utc": "2027-12-13T12:12:30Z", "ms": 1828699949986.126 }, "end": { "local": "2027-12-13T19:28:48+05:30", "utc": "2027-12-13T13:58:48Z", "ms": 1828706327755.0059 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:56 on Sun 12 Dec to 21:39 on Mon 13 Dec.", "fact": "2027-12-12T18:25:34Z → 2027-12-13T16:08:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:28 on the 12th, 17:42–19:29 on the 13th.", "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 106 minutes on the 12th and 106 of 106 on the 13th.", "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 7800 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Ujjain, 2027: Monday 13 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": "2027-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-13", "confidence": "determinate" } ], "quote": "In Ujjain, Dattātreyotpatti (Datta Jayanti) 2027 falls on Monday 13 December. Pūrṇimā runs from 23:56 on Sun 12 Dec to 21:39 on Mon 13 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/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": "/ujjain/festivals/2027/sankashta-chaturthi?on=2027-12-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26433, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-12-16T13:22:08+05:30", "utc": "2027-12-16T07:52:08Z", "ms": 1828943528432.036 }, "end": { "local": "2027-12-17T10:34:57+05:30", "utc": "2027-12-17T05:04:57Z", "ms": 1829019897397.6973 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-16T13:22:08+05:30", "utc": "2027-12-16T07:52:08Z", "ms": 1828943528432.036 }, "end": { "local": "2027-12-17T10:34:57+05:30", "utc": "2027-12-17T05:04:57Z", "ms": 1829019897397.6973 } }, "kaala": "moonrise", "days": [ { "local_date": "2027-12-16", "window": { "start": { "local": "2027-12-16T20:42:41+05:30", "utc": "2027-12-16T15:12:41Z", "ms": 1828969961085.6235 }, "end": { "local": "2027-12-16T20:42:41+05:30", "utc": "2027-12-16T15:12:41Z", "ms": 1828969961085.6235 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-12-17", "window": { "start": { "local": "2027-12-17T21:48:10+05:30", "utc": "2027-12-17T16:18:10Z", "ms": 1829060290321.0454 }, "end": { "local": "2027-12-17T21:48:10+05:30", "utc": "2027-12-17T16:18:10Z", "ms": 1829060290321.0454 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:22 on Thu 16 Dec to 10:35 on Fri 17 Dec.", "fact": "2027-12-16T07:52:08Z → 2027-12-17T05:04:57Z" }, { "step": "kaala", "text": "Moonrise is at 20:43 on the 16th and 21:48 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "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 26433 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2027: Thursday 16 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": "2027-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-16", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2027 falls on Thursday 16 December. Caturthī runs from 13:22 on Thu 16 Dec to 10:35 on Fri 17 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/sankashta-chaturthi?on=2027-12-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/ekadashi?on=2027-12-23", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26603, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2027-12-22T23:41:15+05:30", "utc": "2027-12-22T18:11:15Z", "ms": 1829499074527.093 }, "end": { "local": "2027-12-23T23:12:12+05:30", "utc": "2027-12-23T17:42:12Z", "ms": 1829583731626.1028 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-22T23:41:15+05:30", "utc": "2027-12-22T18:11:15Z", "ms": 1829499074527.093 }, "end": { "local": "2027-12-23T23:12:12+05:30", "utc": "2027-12-23T17:42:12Z", "ms": 1829583731626.1028 } }, "kaala": "sunrise", "days": [ { "local_date": "2027-12-23", "window": { "start": { "local": "2027-12-23T07:04:38+05:30", "utc": "2027-12-23T01:34:38Z", "ms": 1829525677758.0981 }, "end": { "local": "2027-12-23T07:04:38+05:30", "utc": "2027-12-23T01:34:38Z", "ms": 1829525677758.0981 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2027-12-24", "window": { "start": { "local": "2027-12-24T07:05:06+05:30", "utc": "2027-12-24T01:35:06Z", "ms": 1829612106270.657 }, "end": { "local": "2027-12-24T07:05:06+05:30", "utc": "2027-12-24T01:35:06Z", "ms": 1829612106270.657 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:41 on Wed 22 Dec to 23:12 on Thu 23 Dec.", "fact": "2027-12-22T18:11:15Z → 2027-12-23T17:42:12Z" }, { "step": "kaala", "text": "Sunrise is at 07:05 on the 23rd and 07:05 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26603 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Ujjain, 2027: Thursday 23 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": "2027-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-23", "confidence": "determinate" } ], "quote": "In Ujjain, Saphalā Ekādaśī 2027 falls on Thursday 23 December. Ekādaśī runs from 23:41 on Wed 22 Dec to 23:12 on Thu 23 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2027/ekadashi?on=2027-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/pradosha-vrata?on=2027-12-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12906, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2027-12-24T23:08:52+05:30", "utc": "2027-12-24T17:38:52Z", "ms": 1829669932424.456 }, "end": { "local": "2027-12-25T23:32:15+05:30", "utc": "2027-12-25T18:02:15Z", "ms": 1829757734646.7415 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-24T23:08:52+05:30", "utc": "2027-12-24T17:38:52Z", "ms": 1829669932424.456 }, "end": { "local": "2027-12-25T23:32:15+05:30", "utc": "2027-12-25T18:02:15Z", "ms": 1829757734646.7415 } }, "kaala": "pradosha", "days": [ { "local_date": "2027-12-24", "window": { "start": { "local": "2027-12-24T17:47:20+05:30", "utc": "2027-12-24T12:17:20Z", "ms": 1829650640404.0283 }, "end": { "local": "2027-12-24T19:33:46+05:30", "utc": "2027-12-24T14:03:46Z", "ms": 1829657026191.1428 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2027-12-25", "window": { "start": { "local": "2027-12-25T17:47:53+05:30", "utc": "2027-12-25T12:17:53Z", "ms": 1829737073062.9543 }, "end": { "local": "2027-12-25T19:34:18+05:30", "utc": "2027-12-25T14:04:18Z", "ms": 1829743458032.1855 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:09 on Fri 24 Dec to 23:32 on Sat 25 Dec.", "fact": "2027-12-24T17:38:52Z → 2027-12-25T18:02:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:34 on the 24th, 17:48–19:34 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 24th and 106 of 106 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12906 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2027: Saturday 25 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": "2027-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-25", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2027 falls on Saturday 25 December. Trayodaśī runs from 23:09 on Fri 24 Dec to 23:32 on Sat 25 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2027/pradosha-vrata?on=2027-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/shivaratri?on=2027-12-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-25", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1188, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2027-12-25T23:32:15+05:30", "utc": "2027-12-25T18:02:15Z", "ms": 1829757734646.7415 }, "end": { "local": "2027-12-27T00:23:14+05:30", "utc": "2027-12-26T18:53:14Z", "ms": 1829847194040.7754 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-25T23:32:15+05:30", "utc": "2027-12-25T18:02:15Z", "ms": 1829757734646.7415 }, "end": { "local": "2027-12-27T00:23:14+05:30", "utc": "2027-12-26T18:53:14Z", "ms": 1829847194040.7754 } }, "kaala": "nishita", "days": [ { "local_date": "2027-12-25", "window": { "start": { "local": "2027-12-26T00:02:57+05:30", "utc": "2027-12-25T18:32:57Z", "ms": 1829759576697.5713 }, "end": { "local": "2027-12-26T00:50:57+05:30", "utc": "2027-12-25T19:20:57Z", "ms": 1829762456697.5713 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2027-12-26", "window": { "start": { "local": "2027-12-27T00:03:26+05:30", "utc": "2027-12-26T18:33:26Z", "ms": 1829846006208.7354 }, "end": { "local": "2027-12-27T00:51:26+05:30", "utc": "2027-12-26T19:21:26Z", "ms": 1829848886208.7354 } }, "covered_min": 20, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:32 on Sat 25 Dec to 00:23 on Mon 27 Dec.", "fact": "2027-12-25T18:02:15Z → 2027-12-26T18:53:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 25th, 00:03–00:51 on the 26th.", "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 25th and 20 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1188 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2027: Saturday 25 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2027-12-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-25", "confidence": "boundary" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2027 falls on Saturday 25 December. Caturdaśī runs from 23:32 on Sat 25 Dec to 00:23 on Mon 27 Dec and covers all of niśītha that night. It also reaches the next night for 20 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2027/shivaratri?on=2027-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-12-31", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2027, "local_date": "2027-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4217, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2027-12-31T08:12:17+05:30", "utc": "2027-12-31T02:42:17Z", "ms": 1830220937182.4595 }, "end": { "local": "2028-01-01T10:55:53+05:30", "utc": "2028-01-01T05:25:53Z", "ms": 1830317152764.6238 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2027-12-31T08:12:17+05:30", "utc": "2027-12-31T02:42:17Z", "ms": 1830220937182.4595 }, "end": { "local": "2028-01-01T10:55:53+05:30", "utc": "2028-01-01T05:25:53Z", "ms": 1830317152764.6238 } }, "kaala": "madhyahna", "days": [ { "local_date": "2027-12-31", "window": { "start": { "local": "2027-12-31T12:05:41+05:30", "utc": "2027-12-31T06:35:41Z", "ms": 1830234941365.8857 }, "end": { "local": "2027-12-31T12:53:41+05:30", "utc": "2027-12-31T07:23:41Z", "ms": 1830237821365.8857 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2028-01-01", "window": { "start": { "local": "2028-01-01T12:06:10+05:30", "utc": "2028-01-01T06:36:10Z", "ms": 1830321370230.6738 }, "end": { "local": "2028-01-01T12:54:10+05:30", "utc": "2028-01-01T07:24:10Z", "ms": 1830324250230.6738 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:12 on Fri 31 Dec to 10:56 on Sat 1 Jan.", "fact": "2027-12-31T02:42:17Z → 2028-01-01T05:25:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 31st, 12:06–12:54 on the 1st.", "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 31st and 0 of 48 on the 1st.", "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 4217 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2027: Friday 31 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": "2027-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2027-12-31", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2027 falls on Friday 31 December. Caturthī runs from 08:12 on Fri 31 Dec to 10:56 on Sat 1 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2027/vinayaka-chaturthi?on=2027-12-31", "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" } }